diff --git a/.travis.yml b/.travis.yml
index 13990b1a372..8d3fec7e462 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,6 +13,7 @@ addons:
     packages:
     - g++-4.8
 before_script:
+    - npm i -g typescript@next
     - export DISPLAY=:99.0
     - sh -e /etc/init.d/xvfb start
 install:
diff --git a/docs/web3-eth-accounts.rst b/docs/web3-eth-accounts.rst
index 1054657facc..96596bba4e0 100644
--- a/docs/web3-eth-accounts.rst
+++ b/docs/web3-eth-accounts.rst
@@ -306,7 +306,7 @@ Parameters
 Returns
 -------
 
-``String|Object``: The signed data RLP encoded signature, or if ``returnSignature`` is ``true`` the signature values as follows:
+``Object``: The signed data RLP encoded signature, or if ``returnSignature`` is ``true`` the signature values as follows:
     - ``message`` - ``String``: The the given message.
     - ``messageHash`` - ``String``: The hash of the given message.
     - ``r`` - ``String``: First 32 bytes of the signature
diff --git a/packages/web3-bzz/package-lock.json b/packages/web3-bzz/package-lock.json
index cab80ea6e0b..5936130ed31 100644
--- a/packages/web3-bzz/package-lock.json
+++ b/packages/web3-bzz/package-lock.json
@@ -9,7 +9,7 @@
 			"resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.3.1.tgz",
 			"integrity": "sha512-7jGW8ppV0ant637pIqAcFfQDDH1orEPGJb8aXfUozuCU3QqX7rX4DA8iwrbPrR1hcH0FTTHz47yQnk+bl5xHQA==",
 			"requires": {
-				"regenerator-runtime": "^0.12.0"
+				"regenerator-runtime": "0.12.1"
 			}
 		},
 		"@types/node": {
@@ -28,7 +28,7 @@
 			"resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
 			"integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
 			"requires": {
-				"mime-types": "~2.1.18",
+				"mime-types": "2.1.21",
 				"negotiator": "0.6.1"
 			}
 		},
@@ -37,16 +37,16 @@
 			"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.7.0.tgz",
 			"integrity": "sha512-RZXPviBTtfmtka9n9sy1N5M5b82CbxWIR6HIis4s3WQTXDJamc/0gpCWNGz6EWdWp4DOfjzJfhz/AS9zVPjjWg==",
 			"requires": {
-				"fast-deep-equal": "^2.0.1",
-				"fast-json-stable-stringify": "^2.0.0",
-				"json-schema-traverse": "^0.4.1",
-				"uri-js": "^4.2.2"
+				"fast-deep-equal": "2.0.1",
+				"fast-json-stable-stringify": "2.0.0",
+				"json-schema-traverse": "0.4.1",
+				"uri-js": "4.2.2"
 			}
 		},
 		"ansi-regex": {
-			"version": "3.0.0",
-			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-			"integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+			"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
 			"dev": true
 		},
 		"ansi-styles": {
@@ -61,7 +61,7 @@
 			"integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
 			"dev": true,
 			"requires": {
-				"sprintf-js": "~1.0.2"
+				"sprintf-js": "1.0.3"
 			}
 		},
 		"array-flatten": {
@@ -72,9 +72,9 @@
 		"asn1": {
 			"version": "0.2.4",
 			"resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
-			"integrity": "sha1-jSR136tVO7M+d7VOWeiAu4ziMTY=",
+			"integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
 			"requires": {
-				"safer-buffer": "~2.1.0"
+				"safer-buffer": "2.1.2"
 			}
 		},
 		"assert-plus": {
@@ -85,7 +85,7 @@
 		"async-limiter": {
 			"version": "1.0.0",
 			"resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
-			"integrity": "sha1-ePrtjD0HSrgfIrTphdeehzj3IPg="
+			"integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg=="
 		},
 		"asynckit": {
 			"version": "0.4.0",
@@ -100,7 +100,7 @@
 		"aws4": {
 			"version": "1.8.0",
 			"resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
-			"integrity": "sha1-8OAD2cqef1nHpQiUXXsu+aBKVC8="
+			"integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ=="
 		},
 		"babel-code-frame": {
 			"version": "6.26.0",
@@ -108,37 +108,22 @@
 			"integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
 			"dev": true,
 			"requires": {
-				"chalk": "^1.1.3",
-				"esutils": "^2.0.2",
-				"js-tokens": "^3.0.2"
+				"chalk": "1.1.3",
+				"esutils": "2.0.2",
+				"js-tokens": "3.0.2"
 			},
 			"dependencies": {
-				"ansi-regex": {
-					"version": "2.1.1",
-					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-					"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-					"dev": true
-				},
 				"chalk": {
 					"version": "1.1.3",
 					"resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
 					"integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
 					"dev": true,
 					"requires": {
-						"ansi-styles": "^2.2.1",
-						"escape-string-regexp": "^1.0.2",
-						"has-ansi": "^2.0.0",
-						"strip-ansi": "^3.0.0",
-						"supports-color": "^2.0.0"
-					}
-				},
-				"strip-ansi": {
-					"version": "3.0.1",
-					"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-					"integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-					"dev": true,
-					"requires": {
-						"ansi-regex": "^2.0.0"
+						"ansi-styles": "2.2.1",
+						"escape-string-regexp": "1.0.5",
+						"has-ansi": "2.0.0",
+						"strip-ansi": "3.0.1",
+						"supports-color": "2.0.0"
 					}
 				}
 			}
@@ -152,34 +137,34 @@
 		"base64-js": {
 			"version": "1.3.0",
 			"resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.0.tgz",
-			"integrity": "sha1-yrHmEY8FEJXli1KBrqjBzSK/wOM="
+			"integrity": "sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw=="
 		},
 		"bcrypt-pbkdf": {
 			"version": "1.0.2",
 			"resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
 			"integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
 			"requires": {
-				"tweetnacl": "^0.14.3"
+				"tweetnacl": "0.14.5"
 			}
 		},
 		"bl": {
 			"version": "1.2.2",
 			"resolved": "https://registry.npmjs.org/bl/-/bl-1.2.2.tgz",
-			"integrity": "sha1-oWCRFxcQPAdBDO9j71Gzl8Alr5w=",
+			"integrity": "sha512-e8tQYnZodmebYDWGH7KMRvtzKXaJHx3BbilrgZCfvyLUYdKpK1t5PSPmpkny/SgiTSCnjfLW7v5rlONXVFkQEA==",
 			"requires": {
-				"readable-stream": "^2.3.5",
-				"safe-buffer": "^5.1.1"
+				"readable-stream": "2.3.6",
+				"safe-buffer": "5.1.2"
 			}
 		},
 		"bluebird": {
 			"version": "3.5.3",
 			"resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.3.tgz",
-			"integrity": "sha1-fQHG+WFsmlGrD4xUmnnf5uwz76c="
+			"integrity": "sha512-/qKPUQlaW1OyR51WeCPBvRnAlnZFUJkCSG5HzGnuIqhgyJtF+T94lFnn33eiazjRm2LAHVy2guNnaq48X9SJuw=="
 		},
 		"bn.js": {
 			"version": "4.11.8",
 			"resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
-			"integrity": "sha1-LN4J617jQfSEdGuwMJsyU7GxRC8="
+			"integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA=="
 		},
 		"body-parser": {
 			"version": "1.18.3",
@@ -187,15 +172,15 @@
 			"integrity": "sha1-WykhmP/dVTs6DyDe0FkrlWlVyLQ=",
 			"requires": {
 				"bytes": "3.0.0",
-				"content-type": "~1.0.4",
+				"content-type": "1.0.4",
 				"debug": "2.6.9",
-				"depd": "~1.1.2",
-				"http-errors": "~1.6.3",
+				"depd": "1.1.2",
+				"http-errors": "1.6.3",
 				"iconv-lite": "0.4.23",
-				"on-finished": "~2.3.0",
+				"on-finished": "2.3.0",
 				"qs": "6.5.2",
 				"raw-body": "2.3.3",
-				"type-is": "~1.6.16"
+				"type-is": "1.6.16"
 			}
 		},
 		"brace-expansion": {
@@ -204,7 +189,7 @@
 			"integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
 			"dev": true,
 			"requires": {
-				"balanced-match": "^1.0.0",
+				"balanced-match": "1.0.0",
 				"concat-map": "0.0.1"
 			}
 		},
@@ -218,32 +203,32 @@
 			"resolved": "https://registry.npmjs.org/browserify-sha3/-/browserify-sha3-0.0.4.tgz",
 			"integrity": "sha1-CGxHuMgjFsnUcCLCYYWVRXbdjiY=",
 			"requires": {
-				"js-sha3": "^0.6.1",
-				"safe-buffer": "^5.1.1"
+				"js-sha3": "0.6.1",
+				"safe-buffer": "5.1.2"
 			}
 		},
 		"buffer": {
 			"version": "5.2.1",
 			"resolved": "https://registry.npmjs.org/buffer/-/buffer-5.2.1.tgz",
-			"integrity": "sha1-3Vf6DxCaxZxgJHkETcp7iz0LcdY=",
+			"integrity": "sha512-c+Ko0loDaFfuPWiL02ls9Xd3GO3cPVmUobQ6t3rXNUk304u6hGq+8N/kFi+QEIKhzK3uwolVhLzszmfLmMLnqg==",
 			"requires": {
-				"base64-js": "^1.0.2",
-				"ieee754": "^1.1.4"
+				"base64-js": "1.3.0",
+				"ieee754": "1.1.12"
 			}
 		},
 		"buffer-alloc": {
 			"version": "1.2.0",
 			"resolved": "https://registry.npmjs.org/buffer-alloc/-/buffer-alloc-1.2.0.tgz",
-			"integrity": "sha1-iQ3ZDZI6hz4I4Q5f1RpX5bfM4Ow=",
+			"integrity": "sha512-CFsHQgjtW1UChdXgbyJGtnm+O/uLQeZdtbDo8mfUgYXCHSM1wgrVxXm6bSyrUuErEb+4sYVGCzASBRot7zyrow==",
 			"requires": {
-				"buffer-alloc-unsafe": "^1.1.0",
-				"buffer-fill": "^1.0.0"
+				"buffer-alloc-unsafe": "1.1.0",
+				"buffer-fill": "1.0.0"
 			}
 		},
 		"buffer-alloc-unsafe": {
 			"version": "1.1.0",
 			"resolved": "https://registry.npmjs.org/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz",
-			"integrity": "sha1-vX3CauKXLQ7aJTvgYdupkjScGfA="
+			"integrity": "sha512-TEM2iMIEQdJ2yjPJoSIsldnleVaAk1oW3DBVUykyOLsEsFmEc9kn+SFFPz+gl54KQNxlDnAwCXosOS9Okx2xAg=="
 		},
 		"buffer-crc32": {
 			"version": "0.2.13",
@@ -271,12 +256,6 @@
 			"resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
 			"integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg="
 		},
-		"camelcase": {
-			"version": "5.2.0",
-			"resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.2.0.tgz",
-			"integrity": "sha512-IXFsBS2pC+X0j0N/GE7Dm7j3bsEBp+oTpb7F50dwEVX7rf3IgwO9XatnegTsDtniKCUtEJH4fSU6Asw7uoVLfQ==",
-			"dev": true
-		},
 		"caseless": {
 			"version": "0.12.0",
 			"resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
@@ -288,9 +267,9 @@
 			"integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
 			"dev": true,
 			"requires": {
-				"ansi-styles": "^3.2.1",
-				"escape-string-regexp": "^1.0.5",
-				"supports-color": "^5.3.0"
+				"ansi-styles": "3.2.1",
+				"escape-string-regexp": "1.0.5",
+				"supports-color": "5.5.0"
 			},
 			"dependencies": {
 				"ansi-styles": {
@@ -299,7 +278,7 @@
 					"integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
 					"dev": true,
 					"requires": {
-						"color-convert": "^1.9.0"
+						"color-convert": "1.9.3"
 					}
 				},
 				"supports-color": {
@@ -308,7 +287,7 @@
 					"integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
 					"dev": true,
 					"requires": {
-						"has-flag": "^3.0.0"
+						"has-flag": "3.0.0"
 					}
 				}
 			}
@@ -316,24 +295,7 @@
 		"chownr": {
 			"version": "1.1.1",
 			"resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.1.tgz",
-			"integrity": "sha1-VHJri4//TfBTxCGH6AH7RBLfFJQ="
-		},
-		"cliui": {
-			"version": "4.1.0",
-			"resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
-			"integrity": "sha512-4FG+RSG9DL7uEwRUZXZn3SS34DiDPfzP0VOiEwtUWlE+AR2EIg+hSyvrIgUUfhdgR/UkAeW2QHgeP+hWrXs7jQ==",
-			"dev": true,
-			"requires": {
-				"string-width": "^2.1.1",
-				"strip-ansi": "^4.0.0",
-				"wrap-ansi": "^2.0.0"
-			}
-		},
-		"code-point-at": {
-			"version": "1.1.0",
-			"resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
-			"integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
-			"dev": true
+			"integrity": "sha512-j38EvO5+LHX84jlo6h4UzmOwi0UgW61WRyPtJz4qaadK5eY3BTS5TY/S1Stc3Uk2lIM6TPevAlULiEJwie860g=="
 		},
 		"color-convert": {
 			"version": "1.9.3",
@@ -353,9 +315,9 @@
 		"combined-stream": {
 			"version": "1.0.7",
 			"resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.7.tgz",
-			"integrity": "sha1-LR0kMXr7ir6V1tLAsHtXgTU52Cg=",
+			"integrity": "sha512-brWl9y6vOB1xYPZcpZde3N9zDByXTosAeMDo4p1wzo6UMOX4vumB+TP1RZ76sfE6Md68Q0NJSrE/gbezd4Ul+w==",
 			"requires": {
-				"delayed-stream": "~1.0.0"
+				"delayed-stream": "1.0.0"
 			}
 		},
 		"commander": {
@@ -378,7 +340,7 @@
 		"content-type": {
 			"version": "1.0.4",
 			"resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
-			"integrity": "sha1-4TjMdeBAxyexlm/l5fjJruJW/js="
+			"integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA=="
 		},
 		"cookie": {
 			"version": "0.3.1",
@@ -398,23 +360,10 @@
 		"cors": {
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 			"resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
-			"integrity": "sha1-6sEdpRWS3Ya58G9uesKTs9+HXSk=",
-			"requires": {
-				"object-assign": "^4",
-				"vary": "^1"
-			}
-		},
-		"cross-spawn": {
-			"version": "6.0.5",
-			"resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
-			"integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
-			"dev": true,
+			"integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
 			"requires": {
-				"nice-try": "^1.0.4",
-				"path-key": "^2.0.1",
-				"semver": "^5.5.0",
-				"shebang-command": "^1.2.0",
-				"which": "^1.2.9"
+				"object-assign": "4.1.1",
+				"vary": "1.1.2"
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 		"dashdash": {
@@ -422,23 +371,17 @@
 			"resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
 			"integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
 			"requires": {
-				"assert-plus": "^1.0.0"
+				"assert-plus": "1.0.0"
 			}
 		},
 		"debug": {
 			"version": "2.6.9",
 			"resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-			"integrity": "sha1-XRKFFd8TT/Mn6QpMk/Tgd6U2NB8=",
+			"integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
 			"requires": {
 				"ms": "2.0.0"
 			}
 		},
-		"decamelize": {
-			"version": "1.2.0",
-			"resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
-			"integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=",
-			"dev": true
-		},
 		"decode-uri-component": {
 			"version": "0.2.0",
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diff --git a/packages/web3-bzz/package.json b/packages/web3-bzz/package.json
index f0bf7da48b6..eb1bfc4c779 100644
--- a/packages/web3-bzz/package.json
+++ b/packages/web3-bzz/package.json
@@ -22,7 +22,8 @@
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     },
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+        "definitelytyped-header-parser": "^1.0.1",
+        "dtslint": "0.4.2"
     },
     "files": [
         "dist",
diff --git a/packages/web3-core-helpers/package-lock.json b/packages/web3-core-helpers/package-lock.json
index 3e92543c023..f60dc00108d 100644
--- a/packages/web3-core-helpers/package-lock.json
+++ b/packages/web3-core-helpers/package-lock.json
@@ -9,31 +9,32 @@
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 			"requires": {
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+				"regenerator-runtime": "0.12.1"
 			}
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+		"@types/bn.js": {
+			"version": "4.11.4",
+			"resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.4.tgz",
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+			"requires": {
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+			}
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+		"@types/node": {
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+			"resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.1.tgz",
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+		},
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-			"integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+			"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
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@@ -48,79 +49,31 @@
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-				"yargs-parser": "^11.1.1"
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+		"xhr2-cookies": {
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+			"resolved": "https://registry.npmjs.org/xhr2-cookies/-/xhr2-cookies-1.1.0.tgz",
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+		"xtend": {
+			"version": "4.0.1",
+			"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
+			"integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
+		},
+		"yaeti": {
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+			"resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
+			"integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc=",
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 }
diff --git a/packages/web3-core-helpers/package.json b/packages/web3-core-helpers/package.json
index 59ed037002f..6d15cf8d82a 100644
--- a/packages/web3-core-helpers/package.json
+++ b/packages/web3-core-helpers/package.json
@@ -22,7 +22,8 @@
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     },
     "devDependencies": {
-        "dtslint": "^0.4.2",
+        "definitelytyped-header-parser": "^1.0.1",
+        "dtslint": "0.4.2",
         "web3-core": "1.0.0-beta.48",
         "web3-providers": "1.0.0-beta.48"
     },
diff --git a/packages/web3-core-method/package-lock.json b/packages/web3-core-method/package-lock.json
index 51ff135d61f..4a72584760c 100644
--- a/packages/web3-core-method/package-lock.json
+++ b/packages/web3-core-method/package-lock.json
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 			"requires": {
-				"regenerator-runtime": "^0.12.0"
+				"regenerator-runtime": "0.12.1"
 			}
 		},
+		"@types/bn.js": {
+			"version": "4.11.4",
+			"resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.4.tgz",
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+			"dev": true,
+			"requires": {
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+			}
+		},
+		"@types/node": {
+			"version": "10.14.1",
+			"resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.1.tgz",
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+			"dev": true
+		},
 		"@types/parsimmon": {
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-			"integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+			"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
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@@ -48,79 +51,31 @@
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 			"dev": true,
 			"requires": {
-				"sprintf-js": "~1.0.2"
+				"sprintf-js": "1.0.3"
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 					"integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
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-					"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-					"integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-					"dev": true,
-					"requires": {
-						"ansi-regex": "^2.0.0"
+						"ansi-styles": "2.2.1",
+						"escape-string-regexp": "1.0.5",
+						"has-ansi": "2.0.0",
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+						"supports-color": "2.0.0"
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@@ -131,14 +86,11 @@
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-			"dev": true,
-			"requires": {
-				"tweetnacl": "^0.14.3"
-			}
+		"bn.js": {
+			"version": "4.11.8",
+			"resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+			"integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
+			"dev": true
 		},
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@@ -146,26 +98,26 @@
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 			"dev": true,
 			"requires": {
-				"balanced-match": "^1.0.0",
+				"balanced-match": "1.0.0",
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-		"builtin-modules": {
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-			"integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
+		"brorand": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/brorand/-/brorand-1.1.0.tgz",
+			"integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=",
 			"dev": true
 		},
-		"camelcase": {
-			"version": "5.2.0",
-			"resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.2.0.tgz",
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+		"buffer-to-arraybuffer": {
+			"version": "0.0.5",
+			"resolved": "https://registry.npmjs.org/buffer-to-arraybuffer/-/buffer-to-arraybuffer-0.0.5.tgz",
+			"integrity": "sha1-YGSkD6dutDxyOrqe+PbhIW0QURo=",
 			"dev": true
 		},
-		"caseless": {
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-			"resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
-			"integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=",
+		"builtin-modules": {
+			"version": "1.1.1",
+			"resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
+			"integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
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@@ -174,9 +126,9 @@
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-				"ansi-styles": "^3.2.1",
-				"escape-string-regexp": "^1.0.5",
-				"supports-color": "^5.3.0"
+				"ansi-styles": "3.2.1",
+				"escape-string-regexp": "1.0.5",
+				"supports-color": "5.5.0"
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@@ -185,7 +137,7 @@
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 					"dev": true,
 					"requires": {
-						"color-convert": "^1.9.0"
+						"color-convert": "1.9.3"
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@@ -194,28 +146,11 @@
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 					"dev": true,
 					"requires": {
-						"has-flag": "^3.0.0"
+						"has-flag": "3.0.0"
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-			"resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
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@@ -231,15 +166,6 @@
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@@ -252,39 +178,44 @@
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-			"integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
+		"cookiejar": {
+			"version": "2.1.2",
+			"resolved": "https://registry.npmjs.org/cookiejar/-/cookiejar-2.1.2.tgz",
+			"integrity": "sha512-Mw+adcfzPxcPeI+0WlvRrr/3lGVO0bD75SxX6811cxSh1Wbxx7xZBGK1eVtDf6si8rg2lhnUjsVLMFMfbRIuwA==",
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+		"debug": {
+			"version": "2.6.9",
+			"resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+			"integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
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-			"integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
+		"decode-uri-component": {
+			"version": "0.2.0",
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-			"version": "3.4.0-dev.20190314",
-			"resolved": "https://registry.npmjs.org/typescript/-/typescript-3.4.0-dev.20190314.tgz",
-			"integrity": "sha512-UV2x1s6cObFUxCZdtViQNHA9WBmIIzY24mc++2mfjS6FpkuVWGHO7JpO8vi7fnhcRp+GadeXLlx8mKFtGdeeNg==",
+			"version": "3.4.0-dev.20190315",
+			"resolved": "https://registry.npmjs.org/typescript/-/typescript-3.4.0-dev.20190315.tgz",
+			"integrity": "sha512-AmAGWYv52Bka/q20YNFy3jRiPMgAmWssti5uLTzFoPyuuzCd/GPmxm+j3iYm22ShrrDJw8biPxVDTq3DnOIaWA==",
 			"dev": true
 		},
 		"universalify": {
@@ -1192,92 +892,118 @@
 			"integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
 			"dev": true
 		},
-		"uri-js": {
-			"version": "4.2.2",
-			"resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
-			"integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
+		"url-parse": {
+			"version": "1.4.4",
+			"resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.4.4.tgz",
+			"integrity": "sha512-/92DTTorg4JjktLNLe6GPS2/RvAd/RGr6LuktmWSMLEOa6rjnlrFXNgSbSmkNvCoL2T028A0a1JaJLzRMlFoHg==",
 			"dev": true,
 			"requires": {
-				"punycode": "^2.1.0"
+				"querystringify": "2.1.0",
+				"requires-port": "1.0.0"
 			}
 		},
-		"uuid": {
-			"version": "3.3.2",
-			"resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
-			"integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==",
+		"url-set-query": {
+			"version": "1.0.0",
+			"resolved": "https://registry.npmjs.org/url-set-query/-/url-set-query-1.0.0.tgz",
+			"integrity": "sha1-AW6M/Xwg7gXK/neV6JK9BwL6ozk=",
+			"dev": true
+		},
+		"utf8": {
+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/utf8/-/utf8-2.1.1.tgz",
+			"integrity": "sha1-LgHbAvfY0JRPdxBPFgnrDDBM92g=",
 			"dev": true
 		},
-		"verror": {
-			"version": "1.10.0",
-			"resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
-			"integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
+		"web3-core": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-core/-/web3-core-1.0.0-beta.48.tgz",
+			"integrity": "sha512-vOciU4otvpqp5rRJlfjMGuq+OqBG0EYskKwUbQY+UUM8w8g8MRKjYZGzqIMGQGQ3liIbJGQk8WtiVQjh0e5ZrQ==",
 			"dev": true,
 			"requires": {
-				"assert-plus": "^1.0.0",
-				"core-util-is": "1.0.2",
-				"extsprintf": "^1.2.0"
+				"@babel/runtime": "7.3.4",
+				"@types/node": "10.14.1",
+				"lodash": "4.17.11",
+				"web3-utils": "1.0.0-beta.48"
 			}
 		},
-		"which": {
-			"version": "1.3.1",
-			"resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
-			"integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
+		"web3-core-helpers": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-core-helpers/-/web3-core-helpers-1.0.0-beta.48.tgz",
+			"integrity": "sha512-WjRKTw67IVX1k0S600c9pyp1YZib3AjSOFWAyJu5XbhtckXryZ5oQVFbJRc7XVeJWJA0yLGnqZuSUSh4ot8Byw==",
 			"dev": true,
 			"requires": {
-				"isexe": "^2.0.0"
+				"@babel/runtime": "7.3.4",
+				"lodash": "4.17.11",
+				"web3-eth-iban": "1.0.0-beta.48",
+				"web3-utils": "1.0.0-beta.48"
 			}
 		},
-		"which-module": {
-			"version": "2.0.0",
-			"resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
-			"integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
-			"dev": true
+		"web3-core-subscriptions": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.48.tgz",
+			"integrity": "sha512-9G5hQhFuEvEtZ+e+wEulpfGQnUny7McDiQ6G3pxN6b5/Wg7MVW5Zovcm8s7kvBGISW/8UkRVOJ1vYkzjH0Y2fg==",
+			"dev": true,
+			"requires": {
+				"@babel/runtime": "7.3.4",
+				"eventemitter3": "3.1.0",
+				"lodash": "4.17.11",
+				"web3-core-helpers": "1.0.0-beta.48",
+				"web3-utils": "1.0.0-beta.48"
+			}
 		},
-		"wrap-ansi": {
-			"version": "2.1.0",
-			"resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
-			"integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+		"web3-eth-iban": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-eth-iban/-/web3-eth-iban-1.0.0-beta.48.tgz",
+			"integrity": "sha512-ZQapOV6qTP6Wb3TMFUNRyyFwFgPYbB4pGdSW3OkNjFpx8xr+QjcQgwa6EbnSgF+3ApgSWeUzPtdRlqvV/7j5Lw==",
 			"dev": true,
 			"requires": {
-				"string-width": "^1.0.1",
-				"strip-ansi": "^3.0.1"
-			},
-			"dependencies": {
-				"ansi-regex": {
-					"version": "2.1.1",
-					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-					"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-					"dev": true
-				},
-				"is-fullwidth-code-point": {
-					"version": "1.0.0",
-					"resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
-					"integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
-					"dev": true,
-					"requires": {
-						"number-is-nan": "^1.0.0"
-					}
-				},
-				"string-width": {
-					"version": "1.0.2",
-					"resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-					"integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
-					"dev": true,
-					"requires": {
-						"code-point-at": "^1.0.0",
-						"is-fullwidth-code-point": "^1.0.0",
-						"strip-ansi": "^3.0.0"
-					}
-				},
-				"strip-ansi": {
-					"version": "3.0.1",
-					"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-					"integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-					"dev": true,
-					"requires": {
-						"ansi-regex": "^2.0.0"
-					}
-				}
+				"@babel/runtime": "7.3.4",
+				"bn.js": "4.11.8",
+				"web3-utils": "1.0.0-beta.48"
+			}
+		},
+		"web3-providers": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-providers/-/web3-providers-1.0.0-beta.48.tgz",
+			"integrity": "sha512-rqWe370lftaYqvTSe8b7vdaANEBeoME6f30yD8VIEkKD6iEbp5TqCtP6A22zC6CEcVnCUrXIKsBCSI71f+QEtw==",
+			"dev": true,
+			"requires": {
+				"@babel/runtime": "7.3.4",
+				"@types/node": "10.14.1",
+				"eventemitter3": "3.1.0",
+				"lodash": "4.17.11",
+				"oboe": "2.1.4",
+				"url-parse": "1.4.4",
+				"websocket": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+				"xhr2-cookies": "1.1.0"
+			}
+		},
+		"web3-utils": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.0.0-beta.48.tgz",
+			"integrity": "sha512-TK61xy7mRpLt53M8GbPnrFr9lA2SmqLHvWIJN8K9cU4oDH9MWxuxxJ+Lxg+pQPKqIO9f1u+AiMRNvSEuMeeAmg==",
+			"dev": true,
+			"requires": {
+				"@babel/runtime": "7.3.4",
+				"@types/bn.js": "4.11.4",
+				"@types/node": "10.14.1",
+				"bn.js": "4.11.8",
+				"eth-lib": "0.2.8",
+				"ethjs-unit": "0.1.6",
+				"lodash": "4.17.11",
+				"number-to-bn": "1.7.0",
+				"randomhex": "0.1.5",
+				"utf8": "2.1.1"
+			}
+		},
+		"websocket": {
+			"version": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+			"dev": true,
+			"requires": {
+				"debug": "2.6.9",
+				"nan": "2.13.1",
+				"typedarray-to-buffer": "3.1.5",
+				"yaeti": "0.0.6"
 			}
 		},
 		"wrappy": {
@@ -1286,41 +1012,62 @@
 			"integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
 			"dev": true
 		},
-		"y18n": {
-			"version": "4.0.0",
-			"resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-			"integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
-			"dev": true
+		"xhr": {
+			"version": "2.5.0",
+			"resolved": "https://registry.npmjs.org/xhr/-/xhr-2.5.0.tgz",
+			"integrity": "sha512-4nlO/14t3BNUZRXIXfXe+3N6w3s1KoxcJUUURctd64BLRe67E4gRwp4PjywtDY72fXpZ1y6Ch0VZQRY/gMPzzQ==",
+			"dev": true,
+			"requires": {
+				"global": "4.3.2",
+				"is-function": "1.0.1",
+				"parse-headers": "2.0.2",
+				"xtend": "4.0.1"
+			}
+		},
+		"xhr-request": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/xhr-request/-/xhr-request-1.1.0.tgz",
+			"integrity": "sha512-Y7qzEaR3FDtL3fP30k9wO/e+FBnBByZeybKOhASsGP30NIkRAAkKD/sCnLvgEfAIEC1rcmK7YG8f4oEnIrrWzA==",
+			"dev": true,
+			"requires": {
+				"buffer-to-arraybuffer": "0.0.5",
+				"object-assign": "4.1.1",
+				"query-string": "5.1.1",
+				"simple-get": "2.8.1",
+				"timed-out": "4.0.1",
+				"url-set-query": "1.0.0",
+				"xhr": "2.5.0"
+			}
 		},
-		"yargs": {
-			"version": "12.0.5",
-			"resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
-			"integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
+		"xhr-request-promise": {
+			"version": "0.1.2",
+			"resolved": "https://registry.npmjs.org/xhr-request-promise/-/xhr-request-promise-0.1.2.tgz",
+			"integrity": "sha1-NDxE0e53JrhkgGloLQ+EDIO0Jh0=",
 			"dev": true,
 			"requires": {
-				"cliui": "^4.0.0",
-				"decamelize": "^1.2.0",
-				"find-up": "^3.0.0",
-				"get-caller-file": "^1.0.1",
-				"os-locale": "^3.0.0",
-				"require-directory": "^2.1.1",
-				"require-main-filename": "^1.0.1",
-				"set-blocking": "^2.0.0",
-				"string-width": "^2.0.0",
-				"which-module": "^2.0.0",
-				"y18n": "^3.2.1 || ^4.0.0",
-				"yargs-parser": "^11.1.1"
+				"xhr-request": "1.1.0"
 			}
 		},
-		"yargs-parser": {
-			"version": "11.1.1",
-			"resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
-			"integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
+		"xhr2-cookies": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/xhr2-cookies/-/xhr2-cookies-1.1.0.tgz",
+			"integrity": "sha1-fXdEnQmZGX8VXLc7I99yUF7YnUg=",
 			"dev": true,
 			"requires": {
-				"camelcase": "^5.0.0",
-				"decamelize": "^1.2.0"
+				"cookiejar": "2.1.2"
 			}
+		},
+		"xtend": {
+			"version": "4.0.1",
+			"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
+			"integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
+			"dev": true
+		},
+		"yaeti": {
+			"version": "0.0.6",
+			"resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
+			"integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc=",
+			"dev": true
 		}
 	}
 }
diff --git a/packages/web3-core-method/package.json b/packages/web3-core-method/package.json
index fd9c10667d7..e3c4f6b6562 100644
--- a/packages/web3-core-method/package.json
+++ b/packages/web3-core-method/package.json
@@ -22,13 +22,14 @@
         "lodash": "^4.17.11"
     },
     "devDependencies": {
+        "definitelytyped-header-parser": "^1.0.1",
+        "dtslint": "0.4.2",
         "rxjs": "^6.4.0",
-        "dtslint": "^0.4.2",
-        "web3-providers": "1.0.0-beta.48",
-        "web3-utils": "1.0.0-beta.48",
         "web3-core": "1.0.0-beta.48",
+        "web3-core-helpers": "1.0.0-beta.48",
         "web3-core-subscriptions": "1.0.0-beta.48",
-        "web3-core-helpers": "1.0.0-beta.48"
+        "web3-providers": "1.0.0-beta.48",
+        "web3-utils": "1.0.0-beta.48"
     },
     "files": [
         "dist",
diff --git a/packages/web3-core-method/src/methods/transaction/EthSendTransactionMethod.js b/packages/web3-core-method/src/methods/transaction/EthSendTransactionMethod.js
index 56a7b13d048..71e2232da9c 100644
--- a/packages/web3-core-method/src/methods/transaction/EthSendTransactionMethod.js
+++ b/packages/web3-core-method/src/methods/transaction/EthSendTransactionMethod.js
@@ -65,11 +65,16 @@ export default class EthSendTransactionMethod extends SendTransactionMethod {
 
         if (!this.parameters[0].gasPrice) {
             if (!this.moduleInstance.defaultGasPrice) {
-                this.moduleInstance.currentProvider.send('eth_gasPrice', []).then((gasPrice) => {
-                    this.parameters[0].gasPrice = gasPrice;
+                this.moduleInstance.currentProvider
+                    .send('eth_gasPrice', [])
+                    .then((gasPrice) => {
+                        this.parameters[0].gasPrice = gasPrice;
 
-                    this.execute();
-                });
+                        this.execute();
+                    })
+                    .catch((error) => {
+                        this.handleError(error, false, 0);
+                    });
 
                 return this.promiEvent;
             }
@@ -81,13 +86,7 @@ export default class EthSendTransactionMethod extends SendTransactionMethod {
             if (this.moduleInstance.accounts.wallet[this.parameters[0].from]) {
                 this.sendRawTransaction(this.moduleInstance.accounts.wallet[this.parameters[0].from].privateKey).catch(
                     (error) => {
-                        if (this.callback) {
-                            this.callback(error, null);
-                        }
-
-                        this.promiEvent.reject(error);
-                        this.promiEvent.emit('error', error);
-                        this.promiEvent.removeAllListeners();
+                        this.handleError(error, false, 0);
                     }
                 );
 
@@ -97,13 +96,7 @@ export default class EthSendTransactionMethod extends SendTransactionMethod {
 
         if (this.hasCustomSigner()) {
             this.sendRawTransaction().catch((error) => {
-                if (this.callback) {
-                    this.callback(error, null);
-                }
-
-                this.promiEvent.reject(error);
-                this.promiEvent.emit('error', error);
-                this.promiEvent.removeAllListeners();
+                this.handleError(error, false, 0);
             });
 
             return this.promiEvent;
diff --git a/packages/web3-core-method/tests/src/methods/transaction/EthSendTransactionMethodTest.js b/packages/web3-core-method/tests/src/methods/transaction/EthSendTransactionMethodTest.js
index 994d343fab4..da8b16e4074 100644
--- a/packages/web3-core-method/tests/src/methods/transaction/EthSendTransactionMethodTest.js
+++ b/packages/web3-core-method/tests/src/methods/transaction/EthSendTransactionMethodTest.js
@@ -505,6 +505,25 @@ describe('EthSendTransactionMethodTest', () => {
         expect(providerMock.send).toHaveBeenNthCalledWith(1, 'eth_gasPrice', []);
     });
 
+    it('calls execute and the gasPrice will be defined with "eth_gasPrice" and returns with a reject promise', async () => {
+        providerMock.send = jest.fn(() => {
+            return Promise.reject(new Error('Nope'));
+        });
+
+        const transaction = {
+            from: 0,
+            gas: 1,
+            nonce: 1,
+            chainId: 1
+        };
+
+        method.parameters = [transaction];
+
+        await expect(method.execute()).rejects.toThrow('Nope');
+
+        expect(providerMock.send).toHaveBeenNthCalledWith(1, 'eth_gasPrice', []);
+    });
+
     it('calls execute and signs on the node', () => {
         moduleInstanceMock.transactionSigner = transactionSignerMock;
 
diff --git a/packages/web3-core-method/types/index.d.ts b/packages/web3-core-method/types/index.d.ts
index 4b60155b8cf..8dc9caa5119 100644
--- a/packages/web3-core-method/types/index.d.ts
+++ b/packages/web3-core-method/types/index.d.ts
@@ -22,7 +22,13 @@ import {AbstractWeb3Module, PromiEvent} from 'web3-core';
 import {formatters} from 'web3-core-helpers';
 
 export class AbstractMethod {
-    constructor(rpcMethod: string, parametersAmount: number, utils: Utils, formatters: formatters, moduleInstance: AbstractWeb3Module);
+    constructor(
+        rpcMethod: string,
+        parametersAmount: number,
+        utils: Utils,
+        formatters: formatters,
+        moduleInstance: AbstractWeb3Module
+    );
 
     utils: Utils;
     formatters: formatters;
@@ -30,7 +36,7 @@ export class AbstractMethod {
     rpcMethod: string;
     parametersAmount: number;
     parameters: any[];
-    getArguments(): object;
+    getArguments(): any;
     setArguments(args: any[]): void;
     isHash(parameter: string): boolean;
     hasWallets(): boolean;
@@ -41,9 +47,9 @@ export class AbstractMethod {
 
     afterExecution(response: any): any;
 
-    execute(): Promise<object|string>|PromiEvent<any>|string;
+    execute(): Promise<any> | PromiEvent<any> | string;
 
     clearSubscriptions(unsubscribeMethod: string): Promise<boolean | Error>;
 }
 
-export class MethodModuleFactory { } // TODO: Define methods
+export class MethodModuleFactory {} // TODO: Define methods
diff --git a/packages/web3-core-method/types/tests/abstract-method-tests.ts b/packages/web3-core-method/types/tests/abstract-method-tests.ts
index f51413187b4..9ae017f56b0 100644
--- a/packages/web3-core-method/types/tests/abstract-method-tests.ts
+++ b/packages/web3-core-method/types/tests/abstract-method-tests.ts
@@ -20,7 +20,6 @@
 import {AbstractMethod} from 'web3-core-method';
 import * as Utils from 'web3-utils';
 import {formatters} from 'web3-core-helpers';
-import {ProvidersModuleFactory} from 'web3-providers';
 import {AbstractWeb3Module} from 'web3-core';
 
 const abstractWeb3Module = new AbstractWeb3Module('http://localhost:8545');
@@ -44,7 +43,7 @@ abstractMethod.parametersAmount;
 // $ExpectType any[]
 abstractMethod.parameters;
 
-// $ExpectType object
+// $ExpectType any
 abstractMethod.getArguments();
 
 // $ExpectType boolean
@@ -65,7 +64,7 @@ abstractMethod.beforeExecution(abstractWeb3Module);
 // $ExpectType any
 abstractMethod.afterExecution('response');
 
-// $ExpectType string | PromiEvent<any> | Promise<string | object>
+// $ExpectType string | PromiEvent<any> | Promise<any>
 abstractMethod.execute();
 
 // $ExpectType Promise<boolean | Error>
diff --git a/packages/web3-core-subscriptions/package-lock.json b/packages/web3-core-subscriptions/package-lock.json
index bf59f7cab60..cc22c97033f 100644
--- a/packages/web3-core-subscriptions/package-lock.json
+++ b/packages/web3-core-subscriptions/package-lock.json
@@ -9,31 +9,34 @@
 			"resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.3.1.tgz",
 			"integrity": "sha512-7jGW8ppV0ant637pIqAcFfQDDH1orEPGJb8aXfUozuCU3QqX7rX4DA8iwrbPrR1hcH0FTTHz47yQnk+bl5xHQA==",
 			"requires": {
-				"regenerator-runtime": "^0.12.0"
+				"regenerator-runtime": "0.12.1"
 			}
 		},
+		"@types/bn.js": {
+			"version": "4.11.4",
+			"resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.4.tgz",
+			"integrity": "sha512-AO8WW+aRcKWKQAYTfKLzwnpL6U+TfPqS+haRrhCy5ff04Da8WZud3ZgVjspQXaEXJDcTlsjUEVvL39wegDek5w==",
+			"dev": true,
+			"requires": {
+				"@types/node": "10.14.1"
+			}
+		},
+		"@types/node": {
+			"version": "10.14.1",
+			"resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.1.tgz",
+			"integrity": "sha512-Rymt08vh1GaW4vYB6QP61/5m/CFLGnFZP++bJpWbiNxceNa6RBipDmb413jvtSf/R1gg5a/jQVl2jY4XVRscEA==",
+			"dev": true
+		},
 		"@types/parsimmon": {
 			"version": "1.10.0",
 			"resolved": "https://registry.npmjs.org/@types/parsimmon/-/parsimmon-1.10.0.tgz",
 			"integrity": "sha512-bsTIJFVQv7jnvNiC42ld2pQW2KRI+pAG243L+iATvqzy3X6+NH1obz2itRKDZZ8VVhN3wjwYax/VBGCcXzgTqQ==",
 			"dev": true
 		},
-		"ajv": {
-			"version": "6.10.0",
-			"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
-			"integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
-			"dev": true,
-			"requires": {
-				"fast-deep-equal": "^2.0.1",
-				"fast-json-stable-stringify": "^2.0.0",
-				"json-schema-traverse": "^0.4.1",
-				"uri-js": "^4.2.2"
-			}
-		},
 		"ansi-regex": {
-			"version": "3.0.0",
-			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-			"integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+			"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
 			"dev": true
 		},
 		"ansi-styles": {
@@ -48,79 +51,31 @@
 			"integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
 			"dev": true,
 			"requires": {
-				"sprintf-js": "~1.0.2"
-			}
-		},
-		"asn1": {
-			"version": "0.2.4",
-			"resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
-			"integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
-			"dev": true,
-			"requires": {
-				"safer-buffer": "~2.1.0"
+				"sprintf-js": "1.0.3"
 			}
 		},
-		"assert-plus": {
-			"version": "1.0.0",
-			"resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-			"integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-			"dev": true
-		},
-		"asynckit": {
-			"version": "0.4.0",
-			"resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
-			"integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
-			"dev": true
-		},
-		"aws-sign2": {
-			"version": "0.7.0",
-			"resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
-			"integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
-			"dev": true
-		},
-		"aws4": {
-			"version": "1.8.0",
-			"resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
-			"integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==",
-			"dev": true
-		},
 		"babel-code-frame": {
 			"version": "6.26.0",
 			"resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
 			"integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
 			"dev": true,
 			"requires": {
-				"chalk": "^1.1.3",
-				"esutils": "^2.0.2",
-				"js-tokens": "^3.0.2"
+				"chalk": "1.1.3",
+				"esutils": "2.0.2",
+				"js-tokens": "3.0.2"
 			},
 			"dependencies": {
-				"ansi-regex": {
-					"version": "2.1.1",
-					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-					"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-					"dev": true
-				},
 				"chalk": {
 					"version": "1.1.3",
 					"resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
 					"integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
 					"dev": true,
 					"requires": {
-						"ansi-styles": "^2.2.1",
-						"escape-string-regexp": "^1.0.2",
-						"has-ansi": "^2.0.0",
-						"strip-ansi": "^3.0.0",
-						"supports-color": "^2.0.0"
-					}
-				},
-				"strip-ansi": {
-					"version": "3.0.1",
-					"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-					"integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-					"dev": true,
-					"requires": {
-						"ansi-regex": "^2.0.0"
+						"ansi-styles": "2.2.1",
+						"escape-string-regexp": "1.0.5",
+						"has-ansi": "2.0.0",
+						"strip-ansi": "3.0.1",
+						"supports-color": "2.0.0"
 					}
 				}
 			}
@@ -131,14 +86,11 @@
 			"integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
 			"dev": true
 		},
-		"bcrypt-pbkdf": {
-			"version": "1.0.2",
-			"resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
-			"integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
-			"dev": true,
-			"requires": {
-				"tweetnacl": "^0.14.3"
-			}
+		"bn.js": {
+			"version": "4.11.8",
+			"resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+			"integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
+			"dev": true
 		},
 		"brace-expansion": {
 			"version": "1.1.11",
@@ -146,26 +98,26 @@
 			"integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
 			"dev": true,
 			"requires": {
-				"balanced-match": "^1.0.0",
+				"balanced-match": "1.0.0",
 				"concat-map": "0.0.1"
 			}
 		},
-		"builtin-modules": {
-			"version": "1.1.1",
-			"resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
-			"integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
+		"brorand": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/brorand/-/brorand-1.1.0.tgz",
+			"integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=",
 			"dev": true
 		},
-		"camelcase": {
-			"version": "5.2.0",
-			"resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.2.0.tgz",
-			"integrity": "sha512-IXFsBS2pC+X0j0N/GE7Dm7j3bsEBp+oTpb7F50dwEVX7rf3IgwO9XatnegTsDtniKCUtEJH4fSU6Asw7uoVLfQ==",
+		"buffer-to-arraybuffer": {
+			"version": "0.0.5",
+			"resolved": "https://registry.npmjs.org/buffer-to-arraybuffer/-/buffer-to-arraybuffer-0.0.5.tgz",
+			"integrity": "sha1-YGSkD6dutDxyOrqe+PbhIW0QURo=",
 			"dev": true
 		},
-		"caseless": {
-			"version": "0.12.0",
-			"resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
-			"integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=",
+		"builtin-modules": {
+			"version": "1.1.1",
+			"resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
+			"integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
 			"dev": true
 		},
 		"chalk": {
@@ -174,9 +126,9 @@
 			"integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
 			"dev": true,
 			"requires": {
-				"ansi-styles": "^3.2.1",
-				"escape-string-regexp": "^1.0.5",
-				"supports-color": "^5.3.0"
+				"ansi-styles": "3.2.1",
+				"escape-string-regexp": "1.0.5",
+				"supports-color": "5.5.0"
 			},
 			"dependencies": {
 				"ansi-styles": {
@@ -185,7 +137,7 @@
 					"integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
 					"dev": true,
 					"requires": {
-						"color-convert": "^1.9.0"
+						"color-convert": "1.9.3"
 					}
 				},
 				"supports-color": {
@@ -194,28 +146,11 @@
 					"integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
 					"dev": true,
 					"requires": {
-						"has-flag": "^3.0.0"
+						"has-flag": "3.0.0"
 					}
 				}
 			}
 		},
-		"cliui": {
-			"version": "4.1.0",
-			"resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
-			"integrity": "sha512-4FG+RSG9DL7uEwRUZXZn3SS34DiDPfzP0VOiEwtUWlE+AR2EIg+hSyvrIgUUfhdgR/UkAeW2QHgeP+hWrXs7jQ==",
-			"dev": true,
-			"requires": {
-				"string-width": "^2.1.1",
-				"strip-ansi": "^4.0.0",
-				"wrap-ansi": "^2.0.0"
-			}
-		},
-		"code-point-at": {
-			"version": "1.1.0",
-			"resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
-			"integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
-			"dev": true
-		},
 		"color-convert": {
 			"version": "1.9.3",
 			"resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
@@ -231,15 +166,6 @@
 			"integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
 			"dev": true
 		},
-		"combined-stream": {
-			"version": "1.0.7",
-			"resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.7.tgz",
-			"integrity": "sha512-brWl9y6vOB1xYPZcpZde3N9zDByXTosAeMDo4p1wzo6UMOX4vumB+TP1RZ76sfE6Md68Q0NJSrE/gbezd4Ul+w==",
-			"dev": true,
-			"requires": {
-				"delayed-stream": "~1.0.0"
-			}
-		},
 		"commander": {
 			"version": "2.19.0",
 			"resolved": "https://registry.npmjs.org/commander/-/commander-2.19.0.tgz",
@@ -252,105 +178,102 @@
 			"integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
 			"dev": true
 		},
-		"core-util-is": {
-			"version": "1.0.2",
-			"resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-			"integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
+		"decode-uri-component": {
+			"version": "0.2.0",
+			"resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.0.tgz",
+			"integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=",
 			"dev": true
 		},
-		"cross-spawn": {
-			"version": "6.0.5",
-			"resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
-			"integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+		"decompress-response": {
+			"version": "3.3.0",
+			"resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-3.3.0.tgz",
+			"integrity": "sha1-gKTdMjdIOEv6JICDYirt7Jgq3/M=",
 			"dev": true,
 			"requires": {
-				"nice-try": "^1.0.4",
-				"path-key": "^2.0.1",
-				"semver": "^5.5.0",
-				"shebang-command": "^1.2.0",
-				"which": "^1.2.9"
+				"mimic-response": "1.0.1"
 			}
 		},
-		"dashdash": {
-			"version": "1.14.1",
-			"resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
-			"integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
+		"define-properties": {
+			"version": "1.1.3",
+			"resolved": "https://registry.npmjs.org/define-properties/-/define-properties-1.1.3.tgz",
+			"integrity": "sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==",
 			"dev": true,
 			"requires": {
-				"assert-plus": "^1.0.0"
+				"object-keys": "1.1.0"
 			}
 		},
-		"decamelize": {
-			"version": "1.2.0",
-			"resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
-			"integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=",
-			"dev": true
-		},
 		"definitelytyped-header-parser": {
 			"version": "1.0.1",
 			"resolved": "https://registry.npmjs.org/definitelytyped-header-parser/-/definitelytyped-header-parser-1.0.1.tgz",
 			"integrity": "sha512-dotNYEd/IXw1LftTVKzjbbN/5TzsVhcmFJJi1W/L2IBgS1TaDcv3ZVh9Z8Zr0AFYC2T7OfdBT8vp0iDaUUlTyA==",
 			"dev": true,
 			"requires": {
-				"@types/parsimmon": "^1.3.0",
-				"parsimmon": "^1.2.0"
+				"@types/parsimmon": "1.10.0",
+				"parsimmon": "1.12.0"
 			}
 		},
-		"delayed-stream": {
-			"version": "1.0.0",
-			"resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
-			"integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
-			"dev": true
-		},
 		"diff": {
 			"version": "3.5.0",
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 			"integrity": "sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==",
 			"dev": true
 		},
-		"dts-critic": {
-			"version": "1.0.3",
-			"resolved": "https://registry.npmjs.org/dts-critic/-/dts-critic-1.0.3.tgz",
-			"integrity": "sha512-lMU1Lwvzq0dxIj9tNIBA15yYTXNFO2l4zdbiBWhhkW/VAo7h5hlTBIDHYVr6XhhRNkWsd5RCsisVwFJOIOU5IA==",
+		"dom-walk": {
+			"version": "0.1.1",
+			"resolved": "https://registry.npmjs.org/dom-walk/-/dom-walk-0.1.1.tgz",
+			"integrity": "sha1-ZyIm3HTI95mtNTB9+TaroRrNYBg=",
+			"dev": true
+		},
+		"dtslint": {
+			"version": "0.4.2",
+			"resolved": "https://registry.npmjs.org/dtslint/-/dtslint-0.4.2.tgz",
+			"integrity": "sha512-ph4GXLw3HYzlQMJOFcpCqWHuL3MxJ/344OR7wn0wlQGchQGTIVNsSUl8iKEMatpy2geNMysgA9fQa6xVhHOkTQ==",
 			"dev": true,
 			"requires": {
-				"definitelytyped-header-parser": "^1.0.0",
-				"request-promise-native": "^1.0.5",
-				"yargs": "^12.0.5"
+				"fs-extra": "6.0.1",
+				"strip-json-comments": "2.0.1",
+				"tslint": "5.14.0",
+				"typescript": "3.4.0-dev.20190315"
 			}
 		},
-		"dtslint": {
-			"version": "0.4.9",
-			"resolved": "https://registry.npmjs.org/dtslint/-/dtslint-0.4.9.tgz",
-			"integrity": "sha512-QKOfpKIcpJi38gXWQ1uzm/jFU+1xqPVjrow8PSgs1N7CeY819A0Lm1VvYdM4GD1i964B2QKUyJAAjWiK8YPzlA==",
+		"elliptic": {
+			"version": "6.4.1",
+			"resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.1.tgz",
+			"integrity": "sha512-BsXLz5sqX8OHcsh7CqBMztyXARmGQ3LWPtGjJi6DiJHq5C/qvi9P3OqgswKSDftbu8+IoI/QDTAm2fFnQ9SZSQ==",
 			"dev": true,
 			"requires": {
-				"definitelytyped-header-parser": "^1.0.1",
-				"dts-critic": "^1.0.1",
-				"fs-extra": "^6.0.1",
-				"request": "^2.88.0",
-				"strip-json-comments": "^2.0.1",
-				"tslint": "^5.12.0",
-				"typescript": "^3.4.0-dev.20190314"
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+			"requires": {
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+				"url-set-query": "1.0.0",
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+		"xhr-request-promise": {
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+			"resolved": "https://registry.npmjs.org/xhr-request-promise/-/xhr-request-promise-0.1.2.tgz",
+			"integrity": "sha1-NDxE0e53JrhkgGloLQ+EDIO0Jh0=",
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-				"decamelize": "^1.2.0"
+				"xhr-request": "1.1.0"
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+			"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
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 }
diff --git a/packages/web3-core-subscriptions/package.json b/packages/web3-core-subscriptions/package.json
index 2522ec50b5e..10b424da0ea 100644
--- a/packages/web3-core-subscriptions/package.json
+++ b/packages/web3-core-subscriptions/package.json
@@ -20,9 +20,10 @@
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     },
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-        "dtslint": "^0.4.2",
-        "web3-utils": "1.0.0-beta.48",
-        "web3-core-helpers": "1.0.0-beta.48"
+        "definitelytyped-header-parser": "^1.0.1",
+        "dtslint": "0.4.2",
+        "web3-core-helpers": "1.0.0-beta.48",
+        "web3-utils": "1.0.0-beta.48"
     },
     "files": [
         "dist"
diff --git a/packages/web3-core/package-lock.json b/packages/web3-core/package-lock.json
index 7f55c4022a7..7602b8aa1e1 100644
--- a/packages/web3-core/package-lock.json
+++ b/packages/web3-core/package-lock.json
@@ -9,7 +9,15 @@
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 			"requires": {
-				"regenerator-runtime": "^0.12.0"
+				"regenerator-runtime": "0.12.1"
+			}
+		},
+		"@types/bn.js": {
+			"version": "4.11.4",
+			"resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.4.tgz",
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+			"requires": {
+				"@types/node": "10.12.18"
 			}
 		},
 		"@types/node": {
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 			"dev": true
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-			"integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+			"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
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 			"dev": true,
 			"requires": {
-				"sprintf-js": "~1.0.2"
+				"sprintf-js": "1.0.3"
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-		"asn1": {
-			"version": "0.2.4",
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+		"asn1.js": {
+			"version": "4.10.1",
+			"resolved": "https://registry.npmjs.org/asn1.js/-/asn1.js-4.10.1.tgz",
+			"integrity": "sha512-p32cOF5q0Zqs9uBiONKYLm6BClCoBCM5O9JfeUSlnQLBTxYdTK+pW+nXflm8UkKd2UYlEbYz5qEi0JuZR9ckSw==",
 			"dev": true,
 			"requires": {
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+				"bn.js": "4.11.8",
+				"inherits": "2.0.3",
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+				"chalk": "1.1.3",
+				"esutils": "2.0.2",
+				"js-tokens": "3.0.2"
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-				"ansi-regex": {
-					"version": "2.1.1",
-					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-					"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
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 					"integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
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 					"requires": {
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-						"escape-string-regexp": "^1.0.2",
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-					"version": "3.0.1",
-					"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-					"integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-					"dev": true,
-					"requires": {
-						"ansi-regex": "^2.0.0"
+						"ansi-styles": "2.2.1",
+						"escape-string-regexp": "1.0.5",
+						"has-ansi": "2.0.0",
+						"strip-ansi": "3.0.1",
+						"supports-color": "2.0.0"
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@@ -136,14 +95,10 @@
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-		"bcrypt-pbkdf": {
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-			"resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
-			"integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
-			"dev": true,
-			"requires": {
-				"tweetnacl": "^0.14.3"
-			}
+		"bn.js": {
+			"version": "4.11.8",
+			"resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+			"integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA=="
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 			"dev": true,
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-				"balanced-match": "^1.0.0",
+				"balanced-match": "1.0.0",
 				"concat-map": "0.0.1"
 			}
 		},
+		"brorand": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/brorand/-/brorand-1.1.0.tgz",
+			"integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8="
+		},
+		"browserify-aes": {
+			"version": "1.2.0",
+			"resolved": "https://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz",
+			"integrity": "sha512-+7CHXqGuspUn/Sl5aO7Ea0xWGAtETPXNSAjHo48JfLdPWcMng33Xe4znFvQweqc/uzk5zSOI3H52CYnjCfb5hA==",
+			"dev": true,
+			"requires": {
+				"buffer-xor": "1.0.3",
+				"cipher-base": "1.0.4",
+				"create-hash": "1.2.0",
+				"evp_bytestokey": "1.0.3",
+				"inherits": "2.0.3",
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+		"browserify-cipher": {
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/browserify-cipher/-/browserify-cipher-1.0.1.tgz",
+			"integrity": "sha512-sPhkz0ARKbf4rRQt2hTpAHqn47X3llLkUGn+xEJzLjwY8LRs2p0v7ljvI5EyoRO/mexrNunNECisZs+gw2zz1w==",
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+			"requires": {
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+				"browserify-des": "1.0.2",
+				"evp_bytestokey": "1.0.3"
+			}
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+		"browserify-des": {
+			"version": "1.0.2",
+			"resolved": "https://registry.npmjs.org/browserify-des/-/browserify-des-1.0.2.tgz",
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+				"inherits": "2.0.3",
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+			"resolved": "https://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.0.1.tgz",
+			"integrity": "sha1-IeCr+vbyApzy+vsTNWenAdQTVSQ=",
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+			"requires": {
+				"bn.js": "4.11.8",
+				"randombytes": "2.1.0"
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+			"requires": {
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+				"create-hash": "1.2.0",
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+				"inherits": "2.0.3",
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+			"resolved": "https://registry.npmjs.org/buffer-to-arraybuffer/-/buffer-to-arraybuffer-0.0.5.tgz",
+			"integrity": "sha1-YGSkD6dutDxyOrqe+PbhIW0QURo="
+		},
+		"buffer-xor": {
+			"version": "1.0.3",
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+			"integrity": "sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=",
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-				"escape-string-regexp": "^1.0.5",
-				"supports-color": "^5.3.0"
+				"ansi-styles": "3.2.1",
+				"escape-string-regexp": "1.0.5",
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@@ -190,7 +211,7 @@
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 					"dev": true,
 					"requires": {
-						"color-convert": "^1.9.0"
+						"color-convert": "1.9.3"
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@@ -199,28 +220,21 @@
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 					"dev": true,
 					"requires": {
-						"has-flag": "^3.0.0"
+						"has-flag": "3.0.0"
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-		"cliui": {
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-			"resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
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+		"cipher-base": {
+			"version": "1.0.4",
+			"resolved": "https://registry.npmjs.org/cipher-base/-/cipher-base-1.0.4.tgz",
+			"integrity": "sha512-Kkht5ye6ZGmwv40uUDZztayT2ThLQGfnj/T71N/XzeZeo3nf8foyW7zGTsPYkEya3m5f3cAypH+qe7YOrM1U2Q==",
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-				"strip-ansi": "^4.0.0",
-				"wrap-ansi": "^2.0.0"
+				"inherits": "2.0.3",
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+			"resolved": "https://registry.npmjs.org/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.48.tgz",
+			"integrity": "sha512-9G5hQhFuEvEtZ+e+wEulpfGQnUny7McDiQ6G3pxN6b5/Wg7MVW5Zovcm8s7kvBGISW/8UkRVOJ1vYkzjH0Y2fg==",
+			"dev": true,
+			"requires": {
+				"@babel/runtime": "7.3.1",
+				"eventemitter3": "3.1.0",
+				"lodash": "4.17.11",
+				"web3-core-helpers": "1.0.0-beta.48",
+				"web3-utils": "1.0.0-beta.48"
+			}
+		},
+		"web3-eth-accounts": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-eth-accounts/-/web3-eth-accounts-1.0.0-beta.48.tgz",
+			"integrity": "sha512-h+1I7Ao0ALKRz0EeDBcZ+ASYyvW06DZmsIYl0yqKTdH3ilfhTkPrEUjmnRPA9KKvJQvrmUkSLEcBHc6OxG+zlA==",
+			"dev": true,
+			"requires": {
+				"@babel/runtime": "7.3.1",
+				"crypto-browserify": "3.12.0",
+				"eth-lib": "0.2.8",
+				"lodash": "4.17.11",
+				"scrypt.js": "0.2.0",
+				"uuid": "3.3.2",
+				"web3-core": "1.0.0-beta.48",
+				"web3-core-helpers": "1.0.0-beta.48",
+				"web3-core-method": "1.0.0-beta.48",
+				"web3-providers": "1.0.0-beta.48",
+				"web3-utils": "1.0.0-beta.48"
+			}
+		},
+		"web3-eth-iban": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-eth-iban/-/web3-eth-iban-1.0.0-beta.48.tgz",
+			"integrity": "sha512-ZQapOV6qTP6Wb3TMFUNRyyFwFgPYbB4pGdSW3OkNjFpx8xr+QjcQgwa6EbnSgF+3ApgSWeUzPtdRlqvV/7j5Lw==",
+			"dev": true,
+			"requires": {
+				"@babel/runtime": "7.3.1",
+				"bn.js": "4.11.8",
+				"web3-utils": "1.0.0-beta.48"
+			}
+		},
+		"web3-providers": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-providers/-/web3-providers-1.0.0-beta.48.tgz",
+			"integrity": "sha512-rqWe370lftaYqvTSe8b7vdaANEBeoME6f30yD8VIEkKD6iEbp5TqCtP6A22zC6CEcVnCUrXIKsBCSI71f+QEtw==",
+			"dev": true,
+			"requires": {
+				"@babel/runtime": "7.3.1",
+				"@types/node": "10.12.18",
+				"eventemitter3": "3.1.0",
+				"lodash": "4.17.11",
+				"oboe": "2.1.4",
+				"url-parse": "1.4.4",
+				"websocket": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+				"xhr2-cookies": "1.1.0"
+			}
+		},
+		"web3-utils": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.0.0-beta.48.tgz",
+			"integrity": "sha512-TK61xy7mRpLt53M8GbPnrFr9lA2SmqLHvWIJN8K9cU4oDH9MWxuxxJ+Lxg+pQPKqIO9f1u+AiMRNvSEuMeeAmg==",
+			"requires": {
+				"@babel/runtime": "7.3.1",
+				"@types/bn.js": "4.11.4",
+				"@types/node": "10.12.18",
+				"bn.js": "4.11.8",
+				"eth-lib": "0.2.8",
+				"ethjs-unit": "0.1.6",
+				"lodash": "4.17.11",
+				"number-to-bn": "1.7.0",
+				"randomhex": "0.1.5",
+				"utf8": "2.1.1"
+			}
+		},
+		"websocket": {
+			"version": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+			"dev": true,
+			"requires": {
+				"debug": "2.6.9",
+				"nan": "2.13.1",
+				"typedarray-to-buffer": "3.1.5",
+				"yaeti": "0.0.6"
 			}
 		},
 		"wrappy": {
 			"version": "1.0.2",
 			"resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-			"integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-			"dev": true
+			"integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
 		},
-		"y18n": {
-			"version": "4.0.0",
-			"resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-			"integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
-			"dev": true
+		"xhr": {
+			"version": "2.5.0",
+			"resolved": "https://registry.npmjs.org/xhr/-/xhr-2.5.0.tgz",
+			"integrity": "sha512-4nlO/14t3BNUZRXIXfXe+3N6w3s1KoxcJUUURctd64BLRe67E4gRwp4PjywtDY72fXpZ1y6Ch0VZQRY/gMPzzQ==",
+			"requires": {
+				"global": "4.3.2",
+				"is-function": "1.0.1",
+				"parse-headers": "2.0.2",
+				"xtend": "4.0.1"
+			}
 		},
-		"yargs": {
-			"version": "12.0.5",
-			"resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
-			"integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
-			"dev": true,
+		"xhr-request": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/xhr-request/-/xhr-request-1.1.0.tgz",
+			"integrity": "sha512-Y7qzEaR3FDtL3fP30k9wO/e+FBnBByZeybKOhASsGP30NIkRAAkKD/sCnLvgEfAIEC1rcmK7YG8f4oEnIrrWzA==",
 			"requires": {
-				"cliui": "^4.0.0",
-				"decamelize": "^1.2.0",
-				"find-up": "^3.0.0",
-				"get-caller-file": "^1.0.1",
-				"os-locale": "^3.0.0",
-				"require-directory": "^2.1.1",
-				"require-main-filename": "^1.0.1",
-				"set-blocking": "^2.0.0",
-				"string-width": "^2.0.0",
-				"which-module": "^2.0.0",
-				"y18n": "^3.2.1 || ^4.0.0",
-				"yargs-parser": "^11.1.1"
-			}
-		},
-		"yargs-parser": {
-			"version": "11.1.1",
-			"resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
-			"integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
+				"buffer-to-arraybuffer": "0.0.5",
+				"object-assign": "4.1.1",
+				"query-string": "5.1.1",
+				"simple-get": "2.8.1",
+				"timed-out": "4.0.1",
+				"url-set-query": "1.0.0",
+				"xhr": "2.5.0"
+			}
+		},
+		"xhr-request-promise": {
+			"version": "0.1.2",
+			"resolved": "https://registry.npmjs.org/xhr-request-promise/-/xhr-request-promise-0.1.2.tgz",
+			"integrity": "sha1-NDxE0e53JrhkgGloLQ+EDIO0Jh0=",
+			"requires": {
+				"xhr-request": "1.1.0"
+			}
+		},
+		"xhr2-cookies": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/xhr2-cookies/-/xhr2-cookies-1.1.0.tgz",
+			"integrity": "sha1-fXdEnQmZGX8VXLc7I99yUF7YnUg=",
 			"dev": true,
 			"requires": {
-				"camelcase": "^5.0.0",
-				"decamelize": "^1.2.0"
+				"cookiejar": "2.1.2"
 			}
+		},
+		"xtend": {
+			"version": "4.0.1",
+			"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
+			"integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
+		},
+		"yaeti": {
+			"version": "0.0.6",
+			"resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
+			"integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc=",
+			"dev": true
 		}
 	}
 }
diff --git a/packages/web3-core/package.json b/packages/web3-core/package.json
index 638d7bb1f70..b96660ba169 100644
--- a/packages/web3-core/package.json
+++ b/packages/web3-core/package.json
@@ -22,10 +22,11 @@
         "web3-utils": "1.0.0-beta.48"
     },
     "devDependencies": {
-        "dtslint": "^0.4.2",
+        "definitelytyped-header-parser": "^1.0.1",
+        "dtslint": "0.4.2",
+        "web3-core-method": "1.0.0-beta.48",
         "web3-eth-accounts": "1.0.0-beta.48",
-        "web3-providers": "1.0.0-beta.48",
-        "web3-core-method": "1.0.0-beta.48"
+        "web3-providers": "1.0.0-beta.48"
     },
     "files": [
         "dist",
diff --git a/packages/web3-core/types/index.d.ts b/packages/web3-core/types/index.d.ts
index e3b3acae038..7d3f4903aea 100644
--- a/packages/web3-core/types/index.d.ts
+++ b/packages/web3-core/types/index.d.ts
@@ -24,19 +24,17 @@ import {
     HttpProvider,
     HttpProviderOptions,
     IpcProvider,
-    provider, ProviderDetector, ProviderResolver,
+    provider,
+    ProviderDetector,
+    ProviderResolver,
     ProvidersModuleFactory,
     WebsocketProvider,
     WebsocketProviderOptions
 } from 'web3-providers';
+import {BN} from 'web3-utils';
 
 export class AbstractWeb3Module {
-    constructor(
-        provider: provider,
-        options?: Web3ModuleOptions,
-        methodFactory?: any,
-        net?: net.Socket
-    );
+    constructor(provider: provider, options?: Web3ModuleOptions, methodFactory?: any, net?: net.Socket);
 
     BatchRequest: new () => BatchRequest;
     defaultBlock: string | number;
@@ -58,7 +56,7 @@ export class AbstractWeb3Module {
 }
 
 export interface TransactionSigner {
-    sign(tx: Transaction): Promise<SignedTransaction>;
+    sign(transactionConfig: TransactionConfig): Promise<SignedTransaction>;
 }
 
 export interface SignedTransaction {
@@ -115,23 +113,44 @@ export interface PromiEvent<T> extends Promise<T> {
 }
 
 export interface Transaction {
+	hash: string;
+	nonce: number;
+	blockHash: string | null;
+	blockNumber: number | null;
+	transactionIndex: number | null;
+	from: string;
+	to: string;
+	value: string;
+	gasPrice: string;
+	gas: number;
+	input: string;
+}
+
+export interface TransactionConfig {
     from?: string | number;
     to?: string;
-    gasPrice?: string;
+    value?: number | string | BN;
     gas?: number | string;
-    value?: number | string;
-    chainId?: number;
+    gasPrice?: number | string | BN;
     data?: string;
     nonce?: number;
-    v?: string;
-    r?: string;
-    s?: string;
-    hash?: string;
+    chainId?: number;
 }
 
 export interface RLPEncodedTransaction {
     raw: string;
-    tx: Transaction;
+    tx: {
+        nonce: string;
+        gasPrice: string;
+        gas: string;
+        to: string;
+        value: string;
+        input: string;
+        r: string;
+        s: string;
+        v: string;
+        hash: string;
+    }
 }
 
 export interface TransactionReceipt {
@@ -155,7 +174,7 @@ export interface TransactionReceipt {
 export interface EventLog {
     event: string;
     address: string;
-    returnValues: object;
+    returnValues: any;
     logIndex: number;
     transactionIndex: number;
     transactionHash: string;
diff --git a/packages/web3-eth-abi/package-lock.json b/packages/web3-eth-abi/package-lock.json
index cf68934d88b..108f56c7b29 100644
--- a/packages/web3-eth-abi/package-lock.json
+++ b/packages/web3-eth-abi/package-lock.json
@@ -9,7 +9,15 @@
 			"resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.3.1.tgz",
 			"integrity": "sha512-7jGW8ppV0ant637pIqAcFfQDDH1orEPGJb8aXfUozuCU3QqX7rX4DA8iwrbPrR1hcH0FTTHz47yQnk+bl5xHQA==",
 			"requires": {
-				"regenerator-runtime": "^0.12.0"
+				"regenerator-runtime": "0.12.1"
+			}
+		},
+		"@types/bn.js": {
+			"version": "4.11.4",
+			"resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.4.tgz",
+			"integrity": "sha512-AO8WW+aRcKWKQAYTfKLzwnpL6U+TfPqS+haRrhCy5ff04Da8WZud3ZgVjspQXaEXJDcTlsjUEVvL39wegDek5w==",
+			"requires": {
+				"@types/node": "10.12.29"
 			}
 		},
 		"@types/node": {
@@ -28,22 +36,10 @@
 			"resolved": "https://registry.npmjs.org/aes-js/-/aes-js-3.0.0.tgz",
 			"integrity": "sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0="
 		},
-		"ajv": {
-			"version": "6.10.0",
-			"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
-			"integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
-			"dev": true,
-			"requires": {
-				"fast-deep-equal": "^2.0.1",
-				"fast-json-stable-stringify": "^2.0.0",
-				"json-schema-traverse": "^0.4.1",
-				"uri-js": "^4.2.2"
-			}
-		},
 		"ansi-regex": {
-			"version": "3.0.0",
-			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-			"integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+			"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
 			"dev": true
 		},
 		"ansi-styles": {
@@ -58,79 +54,31 @@
 			"integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
 			"dev": true,
 			"requires": {
-				"sprintf-js": "~1.0.2"
+				"sprintf-js": "1.0.3"
 			}
 		},
-		"asn1": {
-			"version": "0.2.4",
-			"resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
-			"integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
-			"dev": true,
-			"requires": {
-				"safer-buffer": "~2.1.0"
-			}
-		},
-		"assert-plus": {
-			"version": "1.0.0",
-			"resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-			"integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-			"dev": true
-		},
-		"asynckit": {
-			"version": "0.4.0",
-			"resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
-			"integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
-			"dev": true
-		},
-		"aws-sign2": {
-			"version": "0.7.0",
-			"resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
-			"integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
-			"dev": true
-		},
-		"aws4": {
-			"version": "1.8.0",
-			"resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
-			"integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==",
-			"dev": true
-		},
 		"babel-code-frame": {
 			"version": "6.26.0",
 			"resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
 			"integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
 			"dev": true,
 			"requires": {
-				"chalk": "^1.1.3",
-				"esutils": "^2.0.2",
-				"js-tokens": "^3.0.2"
+				"chalk": "1.1.3",
+				"esutils": "2.0.2",
+				"js-tokens": "3.0.2"
 			},
 			"dependencies": {
-				"ansi-regex": {
-					"version": "2.1.1",
-					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-					"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-					"dev": true
-				},
 				"chalk": {
 					"version": "1.1.3",
 					"resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
 					"integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
 					"dev": true,
 					"requires": {
-						"ansi-styles": "^2.2.1",
-						"escape-string-regexp": "^1.0.2",
-						"has-ansi": "^2.0.0",
-						"strip-ansi": "^3.0.0",
-						"supports-color": "^2.0.0"
-					}
-				},
-				"strip-ansi": {
-					"version": "3.0.1",
-					"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-					"integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-					"dev": true,
-					"requires": {
-						"ansi-regex": "^2.0.0"
+						"ansi-styles": "2.2.1",
+						"escape-string-regexp": "1.0.5",
+						"has-ansi": "2.0.0",
+						"strip-ansi": "3.0.1",
+						"supports-color": "2.0.0"
 					}
 				}
 			}
@@ -141,15 +89,6 @@
 			"integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
 			"dev": true
 		},
-		"bcrypt-pbkdf": {
-			"version": "1.0.2",
-			"resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
-			"integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
-			"dev": true,
-			"requires": {
-				"tweetnacl": "^0.14.3"
-			}
-		},
 		"bn.js": {
 			"version": "4.11.8",
 			"resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
@@ -161,7 +100,7 @@
 			"integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
 			"dev": true,
 			"requires": {
-				"balanced-match": "^1.0.0",
+				"balanced-match": "1.0.0",
 				"concat-map": "0.0.1"
 			}
 		},
@@ -170,33 +109,26 @@
 			"resolved": "https://registry.npmjs.org/brorand/-/brorand-1.1.0.tgz",
 			"integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8="
 		},
+		"buffer-to-arraybuffer": {
+			"version": "0.0.5",
+			"resolved": "https://registry.npmjs.org/buffer-to-arraybuffer/-/buffer-to-arraybuffer-0.0.5.tgz",
+			"integrity": "sha1-YGSkD6dutDxyOrqe+PbhIW0QURo="
+		},
 		"builtin-modules": {
 			"version": "1.1.1",
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diff --git a/packages/web3-eth-abi/package.json b/packages/web3-eth-abi/package.json
index 5a4319c99fd..4008a641e4a 100644
--- a/packages/web3-eth-abi/package.json
+++ b/packages/web3-eth-abi/package.json
@@ -22,7 +22,8 @@
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+        "dtslint": "0.4.2"
     },
     "files": [
         "dist",
diff --git a/packages/web3-eth-accounts/package-lock.json b/packages/web3-eth-accounts/package-lock.json
index ab3091142f9..67945e52058 100644
--- a/packages/web3-eth-accounts/package-lock.json
+++ b/packages/web3-eth-accounts/package-lock.json
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+		"cookiejar": {
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+		"debug": {
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-				"string-width": "^2.0.0",
-				"which-module": "^2.0.0",
-				"y18n": "^3.2.1 || ^4.0.0",
-				"yargs-parser": "^11.1.1"
-			}
-		},
-		"yargs-parser": {
-			"version": "11.1.1",
-			"resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
-			"integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
-			"dev": true,
-			"requires": {
-				"camelcase": "^5.0.0",
-				"decamelize": "^1.2.0"
-			}
+		"yaeti": {
+			"version": "0.0.6",
+			"resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
+			"integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc="
 		}
 	}
 }
diff --git a/packages/web3-eth-accounts/package.json b/packages/web3-eth-accounts/package.json
index 9f999f49af4..1c884cbabd8 100644
--- a/packages/web3-eth-accounts/package.json
+++ b/packages/web3-eth-accounts/package.json
@@ -29,7 +29,8 @@
         "web3-utils": "1.0.0-beta.48"
     },
     "devDependencies": {
-        "dtslint": "^0.4.2"
+        "definitelytyped-header-parser": "^1.0.1",
+        "dtslint": "0.4.2"
     },
     "files": [
         "dist",
diff --git a/packages/web3-eth-accounts/types/index.d.ts b/packages/web3-eth-accounts/types/index.d.ts
index ce953c34567..edd45bde35d 100644
--- a/packages/web3-eth-accounts/types/index.d.ts
+++ b/packages/web3-eth-accounts/types/index.d.ts
@@ -17,7 +17,7 @@
  * @date 2018
  */
 
-import {AbstractWeb3Module, Transaction, Web3ModuleOptions, SignedTransaction} from 'web3-core';
+import {AbstractWeb3Module, TransactionConfig, Web3ModuleOptions, SignedTransaction} from 'web3-core';
 import {provider} from 'web3-providers';
 
 export class Accounts extends AbstractWeb3Module {
@@ -27,7 +27,7 @@ export class Accounts extends AbstractWeb3Module {
 
     privateKeyToAccount(privateKey: string): Account;
 
-    signTransaction(tx: Transaction, privateKey: string, callback?: () => void): Promise<SignedTransaction>;
+    signTransaction(transactionConfig: TransactionConfig, privateKey: string, callback?: () => void): Promise<SignedTransaction>;
 
     recoverTransaction(signature: string): string;
 
@@ -35,8 +35,8 @@ export class Accounts extends AbstractWeb3Module {
 
     sign(data: string, privateKey: string): Sign;
 
-    recover(message: SignedTransaction): string;
-    recover(message: string | SignedTransaction, signature: string, preFixed?: boolean): string;
+    recover(signedTransaction: SignedTransaction): string;
+    recover(message: string, signature: string, preFixed?: boolean): string;
     recover(message: string, v: string, r: string, s: string, preFixed?: boolean): string;
 
     encrypt(privateKey: string, password: string): EncryptedKeystoreV3Json;
@@ -75,7 +75,7 @@ export interface Account {
     address: string;
     privateKey: string;
     signTransaction: (
-        tx: Transaction,
+        transactionConfig: TransactionConfig,
         callback?: (signTransaction: SignedTransaction) => void
     ) => Promise<SignedTransaction>;
     sign: (data: string) => Sign;
@@ -108,4 +108,5 @@ export interface EncryptedKeystoreV3Json {
 
 export interface Sign extends SignedTransaction {
     message: string;
+    signature: string;
 }
diff --git a/packages/web3-eth-contract/package-lock.json b/packages/web3-eth-contract/package-lock.json
index 8d963ed21d2..89a7cace1b9 100644
--- a/packages/web3-eth-contract/package-lock.json
+++ b/packages/web3-eth-contract/package-lock.json
@@ -9,31 +9,37 @@
 			"resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.3.1.tgz",
 			"integrity": "sha512-7jGW8ppV0ant637pIqAcFfQDDH1orEPGJb8aXfUozuCU3QqX7rX4DA8iwrbPrR1hcH0FTTHz47yQnk+bl5xHQA==",
 			"requires": {
-				"regenerator-runtime": "^0.12.0"
+				"regenerator-runtime": "0.12.1"
 			}
 		},
+		"@types/bn.js": {
+			"version": "4.11.4",
+			"resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.4.tgz",
+			"integrity": "sha512-AO8WW+aRcKWKQAYTfKLzwnpL6U+TfPqS+haRrhCy5ff04Da8WZud3ZgVjspQXaEXJDcTlsjUEVvL39wegDek5w==",
+			"requires": {
+				"@types/node": "10.14.1"
+			}
+		},
+		"@types/node": {
+			"version": "10.14.1",
+			"resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.1.tgz",
+			"integrity": "sha512-Rymt08vh1GaW4vYB6QP61/5m/CFLGnFZP++bJpWbiNxceNa6RBipDmb413jvtSf/R1gg5a/jQVl2jY4XVRscEA=="
+		},
 		"@types/parsimmon": {
 			"version": "1.10.0",
 			"resolved": "https://registry.npmjs.org/@types/parsimmon/-/parsimmon-1.10.0.tgz",
 			"integrity": "sha512-bsTIJFVQv7jnvNiC42ld2pQW2KRI+pAG243L+iATvqzy3X6+NH1obz2itRKDZZ8VVhN3wjwYax/VBGCcXzgTqQ==",
 			"dev": true
 		},
-		"ajv": {
-			"version": "6.10.0",
-			"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
-			"integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
-			"dev": true,
-			"requires": {
-				"fast-deep-equal": "^2.0.1",
-				"fast-json-stable-stringify": "^2.0.0",
-				"json-schema-traverse": "^0.4.1",
-				"uri-js": "^4.2.2"
-			}
+		"aes-js": {
+			"version": "3.0.0",
+			"resolved": "https://registry.npmjs.org/aes-js/-/aes-js-3.0.0.tgz",
+			"integrity": "sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0="
 		},
 		"ansi-regex": {
-			"version": "3.0.0",
-			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-			"integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+			"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
 			"dev": true
 		},
 		"ansi-styles": {
@@ -48,79 +54,41 @@
 			"integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
 			"dev": true,
 			"requires": {
-				"sprintf-js": "~1.0.2"
+				"sprintf-js": "1.0.3"
 			}
 		},
-		"asn1": {
-			"version": "0.2.4",
-			"resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
-			"integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
-			"dev": true,
+		"asn1.js": {
+			"version": "4.10.1",
+			"resolved": "https://registry.npmjs.org/asn1.js/-/asn1.js-4.10.1.tgz",
+			"integrity": "sha512-p32cOF5q0Zqs9uBiONKYLm6BClCoBCM5O9JfeUSlnQLBTxYdTK+pW+nXflm8UkKd2UYlEbYz5qEi0JuZR9ckSw==",
 			"requires": {
-				"safer-buffer": "~2.1.0"
+				"bn.js": "4.11.8",
+				"inherits": "2.0.3",
+				"minimalistic-assert": "1.0.1"
 			}
 		},
-		"assert-plus": {
-			"version": "1.0.0",
-			"resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-			"integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-			"dev": true
-		},
-		"asynckit": {
-			"version": "0.4.0",
-			"resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
-			"integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
-			"dev": true
-		},
-		"aws-sign2": {
-			"version": "0.7.0",
-			"resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
-			"integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
-			"dev": true
-		},
-		"aws4": {
-			"version": "1.8.0",
-			"resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
-			"integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==",
-			"dev": true
-		},
 		"babel-code-frame": {
 			"version": "6.26.0",
 			"resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
 			"integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
 			"dev": true,
 			"requires": {
-				"chalk": "^1.1.3",
-				"esutils": "^2.0.2",
-				"js-tokens": "^3.0.2"
+				"chalk": "1.1.3",
+				"esutils": "2.0.2",
+				"js-tokens": "3.0.2"
 			},
 			"dependencies": {
-				"ansi-regex": {
-					"version": "2.1.1",
-					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-					"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-					"dev": true
-				},
 				"chalk": {
 					"version": "1.1.3",
 					"resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
 					"integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
 					"dev": true,
 					"requires": {
-						"ansi-styles": "^2.2.1",
-						"escape-string-regexp": "^1.0.2",
-						"has-ansi": "^2.0.0",
-						"strip-ansi": "^3.0.0",
-						"supports-color": "^2.0.0"
-					}
-				},
-				"strip-ansi": {
-					"version": "3.0.1",
-					"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-					"integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-					"dev": true,
-					"requires": {
-						"ansi-regex": "^2.0.0"
+						"ansi-styles": "2.2.1",
+						"escape-string-regexp": "1.0.5",
+						"has-ansi": "2.0.0",
+						"strip-ansi": "3.0.1",
+						"supports-color": "2.0.0"
 					}
 				}
 			}
@@ -131,14 +99,10 @@
 			"integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
 			"dev": true
 		},
-		"bcrypt-pbkdf": {
-			"version": "1.0.2",
-			"resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
-			"integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
-			"dev": true,
-			"requires": {
-				"tweetnacl": "^0.14.3"
-			}
+		"bn.js": {
+			"version": "4.11.8",
+			"resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+			"integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA=="
 		},
 		"brace-expansion": {
 			"version": "1.1.11",
@@ -146,37 +110,97 @@
 			"integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
 			"dev": true,
 			"requires": {
-				"balanced-match": "^1.0.0",
+				"balanced-match": "1.0.0",
 				"concat-map": "0.0.1"
 			}
 		},
+		"brorand": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/brorand/-/brorand-1.1.0.tgz",
+			"integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8="
+		},
+		"browserify-aes": {
+			"version": "1.2.0",
+			"resolved": "https://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz",
+			"integrity": "sha512-+7CHXqGuspUn/Sl5aO7Ea0xWGAtETPXNSAjHo48JfLdPWcMng33Xe4znFvQweqc/uzk5zSOI3H52CYnjCfb5hA==",
+			"requires": {
+				"buffer-xor": "1.0.3",
+				"cipher-base": "1.0.4",
+				"create-hash": "1.2.0",
+				"evp_bytestokey": "1.0.3",
+				"inherits": "2.0.3",
+				"safe-buffer": "5.1.2"
+			}
+		},
+		"browserify-cipher": {
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/browserify-cipher/-/browserify-cipher-1.0.1.tgz",
+			"integrity": "sha512-sPhkz0ARKbf4rRQt2hTpAHqn47X3llLkUGn+xEJzLjwY8LRs2p0v7ljvI5EyoRO/mexrNunNECisZs+gw2zz1w==",
+			"requires": {
+				"browserify-aes": "1.2.0",
+				"browserify-des": "1.0.2",
+				"evp_bytestokey": "1.0.3"
+			}
+		},
+		"browserify-des": {
+			"version": "1.0.2",
+			"resolved": "https://registry.npmjs.org/browserify-des/-/browserify-des-1.0.2.tgz",
+			"integrity": "sha512-BioO1xf3hFwz4kc6iBhI3ieDFompMhrMlnDFC4/0/vd5MokpuAc3R+LYbwTA9A5Yc9pq9UYPqffKpW2ObuwX5A==",
+			"requires": {
+				"cipher-base": "1.0.4",
+				"des.js": "1.0.0",
+				"inherits": "2.0.3",
+				"safe-buffer": "5.1.2"
+			}
+		},
+		"browserify-rsa": {
+			"version": "4.0.1",
+			"resolved": "https://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.0.1.tgz",
+			"integrity": "sha1-IeCr+vbyApzy+vsTNWenAdQTVSQ=",
+			"requires": {
+				"bn.js": "4.11.8",
+				"randombytes": "2.1.0"
+			}
+		},
+		"browserify-sign": {
+			"version": "4.0.4",
+			"resolved": "https://registry.npmjs.org/browserify-sign/-/browserify-sign-4.0.4.tgz",
+			"integrity": "sha1-qk62jl17ZYuqa/alfmMMvXqT0pg=",
+			"requires": {
+				"bn.js": "4.11.8",
+				"browserify-rsa": "4.0.1",
+				"create-hash": "1.2.0",
+				"create-hmac": "1.1.7",
+				"elliptic": "6.4.1",
+				"inherits": "2.0.3",
+				"parse-asn1": "5.1.4"
+			}
+		},
+		"buffer-to-arraybuffer": {
+			"version": "0.0.5",
+			"resolved": "https://registry.npmjs.org/buffer-to-arraybuffer/-/buffer-to-arraybuffer-0.0.5.tgz",
+			"integrity": "sha1-YGSkD6dutDxyOrqe+PbhIW0QURo="
+		},
+		"buffer-xor": {
+			"version": "1.0.3",
+			"resolved": "https://registry.npmjs.org/buffer-xor/-/buffer-xor-1.0.3.tgz",
+			"integrity": "sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk="
+		},
 		"builtin-modules": {
 			"version": "1.1.1",
 			"resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
 			"integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
 			"dev": true
 		},
-		"camelcase": {
-			"version": "5.2.0",
-			"resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.2.0.tgz",
-			"integrity": "sha512-IXFsBS2pC+X0j0N/GE7Dm7j3bsEBp+oTpb7F50dwEVX7rf3IgwO9XatnegTsDtniKCUtEJH4fSU6Asw7uoVLfQ==",
-			"dev": true
-		},
-		"caseless": {
-			"version": "0.12.0",
-			"resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
-			"integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=",
-			"dev": true
-		},
 		"chalk": {
 			"version": "2.4.2",
 			"resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
 			"integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
 			"dev": true,
 			"requires": {
-				"ansi-styles": "^3.2.1",
-				"escape-string-regexp": "^1.0.5",
-				"supports-color": "^5.3.0"
+				"ansi-styles": "3.2.1",
+				"escape-string-regexp": "1.0.5",
+				"supports-color": "5.5.0"
 			},
 			"dependencies": {
 				"ansi-styles": {
@@ -185,7 +209,7 @@
 					"integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
 					"dev": true,
 					"requires": {
-						"color-convert": "^1.9.0"
+						"color-convert": "1.9.3"
 					}
 				},
 				"supports-color": {
@@ -194,28 +218,20 @@
 					"integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
 					"dev": true,
 					"requires": {
-						"has-flag": "^3.0.0"
+						"has-flag": "3.0.0"
 					}
 				}
 			}
 		},
-		"cliui": {
-			"version": "4.1.0",
-			"resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
-			"integrity": "sha512-4FG+RSG9DL7uEwRUZXZn3SS34DiDPfzP0VOiEwtUWlE+AR2EIg+hSyvrIgUUfhdgR/UkAeW2QHgeP+hWrXs7jQ==",
-			"dev": true,
+		"cipher-base": {
+			"version": "1.0.4",
+			"resolved": "https://registry.npmjs.org/cipher-base/-/cipher-base-1.0.4.tgz",
+			"integrity": "sha512-Kkht5ye6ZGmwv40uUDZztayT2ThLQGfnj/T71N/XzeZeo3nf8foyW7zGTsPYkEya3m5f3cAypH+qe7YOrM1U2Q==",
 			"requires": {
-				"string-width": "^2.1.1",
-				"strip-ansi": "^4.0.0",
-				"wrap-ansi": "^2.0.0"
+				"inherits": "2.0.3",
+				"safe-buffer": "5.1.2"
 			}
 		},
-		"code-point-at": {
-			"version": "1.1.0",
-			"resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
-			"integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
-			"dev": true
-		},
 		"color-convert": {
 			"version": "1.9.3",
 			"resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
@@ -231,15 +247,6 @@
 			"integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
 			"dev": true
 		},
-		"combined-stream": {
-			"version": "1.0.7",
-			"resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.7.tgz",
-			"integrity": "sha512-brWl9y6vOB1xYPZcpZde3N9zDByXTosAeMDo4p1wzo6UMOX4vumB+TP1RZ76sfE6Md68Q0NJSrE/gbezd4Ul+w==",
-			"dev": true,
-			"requires": {
-				"delayed-stream": "~1.0.0"
-			}
-		},
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diff --git a/packages/web3-eth-contract/package.json b/packages/web3-eth-contract/package.json
index d1bfdd1cef7..ceaf3a05c80 100644
--- a/packages/web3-eth-contract/package.json
+++ b/packages/web3-eth-contract/package.json
@@ -28,7 +28,8 @@
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     },
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+        "definitelytyped-header-parser": "^1.0.1",
+        "dtslint": "0.4.2"
     },
     "files": [
         "dist",
diff --git a/packages/web3-eth-ens/package-lock.json b/packages/web3-eth-ens/package-lock.json
index 5a0e2b1eac2..b7582922046 100644
--- a/packages/web3-eth-ens/package-lock.json
+++ b/packages/web3-eth-ens/package-lock.json
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+				"regenerator-runtime": "0.12.1"
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-				"uri-js": "^4.2.2"
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+		"aes-js": {
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+			"resolved": "https://registry.npmjs.org/aes-js/-/aes-js-3.0.0.tgz",
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-			"integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
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-			"dev": true,
+		"asn1.js": {
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 			"requires": {
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+				"bn.js": "4.11.8",
+				"inherits": "2.0.3",
+				"minimalistic-assert": "1.0.1"
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+		"cookiejar": {
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+		"diffie-hellman": {
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+			"resolved": "https://registry.npmjs.org/diffie-hellman/-/diffie-hellman-5.0.3.tgz",
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+			"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
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+		"yaeti": {
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+			"resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
+			"integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc="
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 }
diff --git a/packages/web3-eth-ens/package.json b/packages/web3-eth-ens/package.json
index 9a528778759..0ff300a2fa4 100644
--- a/packages/web3-eth-ens/package.json
+++ b/packages/web3-eth-ens/package.json
@@ -28,7 +28,8 @@
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     },
     "devDependencies": {
-        "dtslint": "^0.4.2",
+        "definitelytyped-header-parser": "^1.0.1",
+        "dtslint": "0.4.2",
         "web3-eth-accounts": "1.0.0-beta.48"
     },
     "files": [
diff --git a/packages/web3-eth-iban/package-lock.json b/packages/web3-eth-iban/package-lock.json
index 807a719cd08..f9009cc11ae 100644
--- a/packages/web3-eth-iban/package-lock.json
+++ b/packages/web3-eth-iban/package-lock.json
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 			"requires": {
-				"regenerator-runtime": "^0.12.0"
+				"regenerator-runtime": "0.12.1"
 			}
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+			"resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.4.tgz",
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+			"requires": {
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+			}
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+		"@types/node": {
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+			"resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.1.tgz",
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+		},
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-			"dev": true,
-			"requires": {
-				"safer-buffer": "~2.1.0"
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-					"dev": true,
-					"requires": {
-						"ansi-regex": "^2.0.0"
+						"ansi-styles": "2.2.1",
+						"escape-string-regexp": "1.0.5",
+						"has-ansi": "2.0.0",
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@@ -131,15 +84,6 @@
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 			"dev": true,
 			"requires": {
-				"balanced-match": "^1.0.0",
+				"balanced-match": "1.0.0",
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 			}
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+		"brorand": {
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+			"resolved": "https://registry.npmjs.org/brorand/-/brorand-1.1.0.tgz",
+			"integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8="
+		},
+		"buffer-to-arraybuffer": {
+			"version": "0.0.5",
+			"resolved": "https://registry.npmjs.org/buffer-to-arraybuffer/-/buffer-to-arraybuffer-0.0.5.tgz",
+			"integrity": "sha1-YGSkD6dutDxyOrqe+PbhIW0QURo="
+		},
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-				"escape-string-regexp": "^1.0.5",
-				"supports-color": "^5.3.0"
+				"ansi-styles": "3.2.1",
+				"escape-string-regexp": "1.0.5",
+				"supports-color": "5.5.0"
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@@ -190,7 +132,7 @@
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 					"dev": true,
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-						"color-convert": "^1.9.0"
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@@ -199,28 +141,11 @@
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 					"dev": true,
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-						"has-flag": "^3.0.0"
+						"has-flag": "3.0.0"
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@@ -257,105 +173,95 @@
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-			"dev": true
+		"decode-uri-component": {
+			"version": "0.2.0",
+			"resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.0.tgz",
+			"integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU="
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+		"decompress-response": {
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+			"resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-3.3.0.tgz",
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diff --git a/packages/web3-eth-iban/package.json b/packages/web3-eth-iban/package.json
index 1d077ca1858..34784f1845d 100644
--- a/packages/web3-eth-iban/package.json
+++ b/packages/web3-eth-iban/package.json
@@ -21,7 +21,8 @@
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     },
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+        "dtslint": "0.4.2"
     },
     "files": [
         "dist",
diff --git a/packages/web3-eth-personal/package-lock.json b/packages/web3-eth-personal/package-lock.json
index 5f6736c9462..823de470f03 100644
--- a/packages/web3-eth-personal/package-lock.json
+++ b/packages/web3-eth-personal/package-lock.json
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-					"dev": true,
-					"requires": {
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@@ -131,14 +95,10 @@
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+				"web3-utils": "1.0.0-beta.48"
+			}
 		},
-		"wrap-ansi": {
-			"version": "2.1.0",
-			"resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
-			"integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+		"web3-core-promievent": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-core-promievent/-/web3-core-promievent-1.0.0-beta.48.tgz",
+			"integrity": "sha512-GNUnYUL0PUO/QzvlYxIlZW5Pra3jyjN6uHuUSDFRp59NbknluP470nTSC/+0XkvZrVTYADf0+04yyOlVM083Ug==",
+			"requires": {
+				"@babel/runtime": "7.3.1",
+				"eventemitter3": "3.1.0"
+			}
+		},
+		"web3-core-subscriptions": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.48.tgz",
+			"integrity": "sha512-9G5hQhFuEvEtZ+e+wEulpfGQnUny7McDiQ6G3pxN6b5/Wg7MVW5Zovcm8s7kvBGISW/8UkRVOJ1vYkzjH0Y2fg==",
+			"requires": {
+				"@babel/runtime": "7.3.1",
+				"eventemitter3": "3.1.0",
+				"lodash": "4.17.11",
+				"web3-core-helpers": "1.0.0-beta.48",
+				"web3-utils": "1.0.0-beta.48"
+			}
+		},
+		"web3-eth-accounts": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-eth-accounts/-/web3-eth-accounts-1.0.0-beta.48.tgz",
+			"integrity": "sha512-h+1I7Ao0ALKRz0EeDBcZ+ASYyvW06DZmsIYl0yqKTdH3ilfhTkPrEUjmnRPA9KKvJQvrmUkSLEcBHc6OxG+zlA==",
 			"dev": true,
 			"requires": {
-				"string-width": "^1.0.1",
-				"strip-ansi": "^3.0.1"
-			},
-			"dependencies": {
-				"ansi-regex": {
-					"version": "2.1.1",
-					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-					"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-					"dev": true
-				},
-				"is-fullwidth-code-point": {
-					"version": "1.0.0",
-					"resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
-					"integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
-					"dev": true,
-					"requires": {
-						"number-is-nan": "^1.0.0"
-					}
-				},
-				"string-width": {
-					"version": "1.0.2",
-					"resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-					"integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
-					"dev": true,
-					"requires": {
-						"code-point-at": "^1.0.0",
-						"is-fullwidth-code-point": "^1.0.0",
-						"strip-ansi": "^3.0.0"
-					}
-				},
-				"strip-ansi": {
-					"version": "3.0.1",
-					"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-					"integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-					"dev": true,
-					"requires": {
-						"ansi-regex": "^2.0.0"
-					}
-				}
+				"@babel/runtime": "7.3.1",
+				"crypto-browserify": "3.12.0",
+				"eth-lib": "0.2.8",
+				"lodash": "4.17.11",
+				"scrypt.js": "0.2.0",
+				"uuid": "3.3.2",
+				"web3-core": "1.0.0-beta.48",
+				"web3-core-helpers": "1.0.0-beta.48",
+				"web3-core-method": "1.0.0-beta.48",
+				"web3-providers": "1.0.0-beta.48",
+				"web3-utils": "1.0.0-beta.48"
+			}
+		},
+		"web3-eth-iban": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-eth-iban/-/web3-eth-iban-1.0.0-beta.48.tgz",
+			"integrity": "sha512-ZQapOV6qTP6Wb3TMFUNRyyFwFgPYbB4pGdSW3OkNjFpx8xr+QjcQgwa6EbnSgF+3ApgSWeUzPtdRlqvV/7j5Lw==",
+			"requires": {
+				"@babel/runtime": "7.3.1",
+				"bn.js": "4.11.8",
+				"web3-utils": "1.0.0-beta.48"
+			}
+		},
+		"web3-net": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-net/-/web3-net-1.0.0-beta.48.tgz",
+			"integrity": "sha512-q9nLXc2DwepLaTvbJ8Bvv5QHJVY9CUNKJQnIYfcU+R5OHkZ9eN//B8skHbmk5dtbwKJbeUyt5sfZKas/cf4mlw==",
+			"requires": {
+				"@babel/runtime": "7.3.1",
+				"lodash": "4.17.11",
+				"web3-core": "1.0.0-beta.48",
+				"web3-core-helpers": "1.0.0-beta.48",
+				"web3-core-method": "1.0.0-beta.48",
+				"web3-providers": "1.0.0-beta.48",
+				"web3-utils": "1.0.0-beta.48"
+			}
+		},
+		"web3-providers": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-providers/-/web3-providers-1.0.0-beta.48.tgz",
+			"integrity": "sha512-rqWe370lftaYqvTSe8b7vdaANEBeoME6f30yD8VIEkKD6iEbp5TqCtP6A22zC6CEcVnCUrXIKsBCSI71f+QEtw==",
+			"requires": {
+				"@babel/runtime": "7.3.1",
+				"@types/node": "10.14.1",
+				"eventemitter3": "3.1.0",
+				"lodash": "4.17.11",
+				"oboe": "2.1.4",
+				"url-parse": "1.4.4",
+				"websocket": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+				"xhr2-cookies": "1.1.0"
+			}
+		},
+		"web3-utils": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.0.0-beta.48.tgz",
+			"integrity": "sha512-TK61xy7mRpLt53M8GbPnrFr9lA2SmqLHvWIJN8K9cU4oDH9MWxuxxJ+Lxg+pQPKqIO9f1u+AiMRNvSEuMeeAmg==",
+			"requires": {
+				"@babel/runtime": "7.3.1",
+				"@types/bn.js": "4.11.4",
+				"@types/node": "10.14.1",
+				"bn.js": "4.11.8",
+				"eth-lib": "0.2.8",
+				"ethjs-unit": "0.1.6",
+				"lodash": "4.17.11",
+				"number-to-bn": "1.7.0",
+				"randomhex": "0.1.5",
+				"utf8": "2.1.1"
+			}
+		},
+		"websocket": {
+			"version": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+			"requires": {
+				"debug": "2.6.9",
+				"nan": "2.13.1",
+				"typedarray-to-buffer": "3.1.5",
+				"yaeti": "0.0.6"
 			}
 		},
 		"wrappy": {
 			"version": "1.0.2",
 			"resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-			"integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-			"dev": true
+			"integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
 		},
-		"y18n": {
-			"version": "4.0.0",
-			"resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-			"integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
-			"dev": true
+		"xhr": {
+			"version": "2.5.0",
+			"resolved": "https://registry.npmjs.org/xhr/-/xhr-2.5.0.tgz",
+			"integrity": "sha512-4nlO/14t3BNUZRXIXfXe+3N6w3s1KoxcJUUURctd64BLRe67E4gRwp4PjywtDY72fXpZ1y6Ch0VZQRY/gMPzzQ==",
+			"requires": {
+				"global": "4.3.2",
+				"is-function": "1.0.1",
+				"parse-headers": "2.0.2",
+				"xtend": "4.0.1"
+			}
 		},
-		"yargs": {
-			"version": "12.0.5",
-			"resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
-			"integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
-			"dev": true,
+		"xhr-request": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/xhr-request/-/xhr-request-1.1.0.tgz",
+			"integrity": "sha512-Y7qzEaR3FDtL3fP30k9wO/e+FBnBByZeybKOhASsGP30NIkRAAkKD/sCnLvgEfAIEC1rcmK7YG8f4oEnIrrWzA==",
 			"requires": {
-				"cliui": "^4.0.0",
-				"decamelize": "^1.2.0",
-				"find-up": "^3.0.0",
-				"get-caller-file": "^1.0.1",
-				"os-locale": "^3.0.0",
-				"require-directory": "^2.1.1",
-				"require-main-filename": "^1.0.1",
-				"set-blocking": "^2.0.0",
-				"string-width": "^2.0.0",
-				"which-module": "^2.0.0",
-				"y18n": "^3.2.1 || ^4.0.0",
-				"yargs-parser": "^11.1.1"
-			}
-		},
-		"yargs-parser": {
-			"version": "11.1.1",
-			"resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
-			"integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
-			"dev": true,
+				"buffer-to-arraybuffer": "0.0.5",
+				"object-assign": "4.1.1",
+				"query-string": "5.1.1",
+				"simple-get": "2.8.1",
+				"timed-out": "4.0.1",
+				"url-set-query": "1.0.0",
+				"xhr": "2.5.0"
+			}
+		},
+		"xhr-request-promise": {
+			"version": "0.1.2",
+			"resolved": "https://registry.npmjs.org/xhr-request-promise/-/xhr-request-promise-0.1.2.tgz",
+			"integrity": "sha1-NDxE0e53JrhkgGloLQ+EDIO0Jh0=",
 			"requires": {
-				"camelcase": "^5.0.0",
-				"decamelize": "^1.2.0"
+				"xhr-request": "1.1.0"
 			}
+		},
+		"xhr2-cookies": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/xhr2-cookies/-/xhr2-cookies-1.1.0.tgz",
+			"integrity": "sha1-fXdEnQmZGX8VXLc7I99yUF7YnUg=",
+			"requires": {
+				"cookiejar": "2.1.2"
+			}
+		},
+		"xtend": {
+			"version": "4.0.1",
+			"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
+			"integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
+		},
+		"yaeti": {
+			"version": "0.0.6",
+			"resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
+			"integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc="
 		}
 	}
 }
diff --git a/packages/web3-eth-personal/package.json b/packages/web3-eth-personal/package.json
index 35ab15880ed..48fcc8e88d7 100644
--- a/packages/web3-eth-personal/package.json
+++ b/packages/web3-eth-personal/package.json
@@ -25,7 +25,8 @@
         "web3-utils": "1.0.0-beta.48"
     },
     "devDependencies": {
-        "dtslint": "^0.4.2",
+        "definitelytyped-header-parser": "^1.0.1",
+        "dtslint": "0.4.2",
         "web3-eth-accounts": "1.0.0-beta.48"
     },
     "files": [
diff --git a/packages/web3-eth-personal/types/index.d.ts b/packages/web3-eth-personal/types/index.d.ts
index c8d7faea7db..90ca18f4f1b 100644
--- a/packages/web3-eth-personal/types/index.d.ts
+++ b/packages/web3-eth-personal/types/index.d.ts
@@ -20,7 +20,7 @@
 
 import {Accounts} from 'web3-eth-accounts';
 import {provider} from 'web3-providers';
-import {AbstractWeb3Module, Providers, RLPEncodedTransaction, Transaction, Web3ModuleOptions} from 'web3-core';
+import {AbstractWeb3Module, Providers, RLPEncodedTransaction, TransactionConfig, Web3ModuleOptions} from 'web3-core';
 
 export class Personal extends AbstractWeb3Module {
     constructor(provider: provider, accounts: Accounts, options?: Web3ModuleOptions);
@@ -41,13 +41,13 @@ export class Personal extends AbstractWeb3Module {
     ): Promise<string>;
 
     signTransaction(
-        transation: Transaction,
+        transactionConfig: TransactionConfig,
         password: string,
         callback?: (error: Error, RLPEncodedTransaction: RLPEncodedTransaction) => void
     ): Promise<RLPEncodedTransaction>;
 
     sendTransaction(
-        transation: Transaction,
+        transactionConfig: TransactionConfig,
         password: string,
         callback?: (error: Error, transactionHash: string) => void
     ): Promise<string>;
diff --git a/packages/web3-eth/package-lock.json b/packages/web3-eth/package-lock.json
index ed9a607b48d..006a1c319f8 100644
--- a/packages/web3-eth/package-lock.json
+++ b/packages/web3-eth/package-lock.json
@@ -9,31 +9,37 @@
 			"resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.3.4.tgz",
 			"integrity": "sha512-IvfvnMdSaLBateu0jfsYIpZTxAc2cKEXEMiezGGN75QcBcecDUKd3PgLAncT0oOgxKy8dd8hrJKj9MfzgfZd6g==",
 			"requires": {
-				"regenerator-runtime": "^0.12.0"
+				"regenerator-runtime": "0.12.1"
 			}
 		},
+		"@types/bn.js": {
+			"version": "4.11.4",
+			"resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.4.tgz",
+			"integrity": "sha512-AO8WW+aRcKWKQAYTfKLzwnpL6U+TfPqS+haRrhCy5ff04Da8WZud3ZgVjspQXaEXJDcTlsjUEVvL39wegDek5w==",
+			"requires": {
+				"@types/node": "10.14.1"
+			}
+		},
+		"@types/node": {
+			"version": "10.14.1",
+			"resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.1.tgz",
+			"integrity": "sha512-Rymt08vh1GaW4vYB6QP61/5m/CFLGnFZP++bJpWbiNxceNa6RBipDmb413jvtSf/R1gg5a/jQVl2jY4XVRscEA=="
+		},
 		"@types/parsimmon": {
 			"version": "1.10.0",
 			"resolved": "https://registry.npmjs.org/@types/parsimmon/-/parsimmon-1.10.0.tgz",
 			"integrity": "sha512-bsTIJFVQv7jnvNiC42ld2pQW2KRI+pAG243L+iATvqzy3X6+NH1obz2itRKDZZ8VVhN3wjwYax/VBGCcXzgTqQ==",
 			"dev": true
 		},
-		"ajv": {
-			"version": "6.10.0",
-			"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
-			"integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
-			"dev": true,
-			"requires": {
-				"fast-deep-equal": "^2.0.1",
-				"fast-json-stable-stringify": "^2.0.0",
-				"json-schema-traverse": "^0.4.1",
-				"uri-js": "^4.2.2"
-			}
+		"aes-js": {
+			"version": "3.0.0",
+			"resolved": "https://registry.npmjs.org/aes-js/-/aes-js-3.0.0.tgz",
+			"integrity": "sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0="
 		},
 		"ansi-regex": {
-			"version": "3.0.0",
-			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-			"integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+			"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
 			"dev": true
 		},
 		"ansi-styles": {
@@ -48,79 +54,41 @@
 			"integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
 			"dev": true,
 			"requires": {
-				"sprintf-js": "~1.0.2"
+				"sprintf-js": "1.0.3"
 			}
 		},
-		"asn1": {
-			"version": "0.2.4",
-			"resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
-			"integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
-			"dev": true,
+		"asn1.js": {
+			"version": "4.10.1",
+			"resolved": "https://registry.npmjs.org/asn1.js/-/asn1.js-4.10.1.tgz",
+			"integrity": "sha512-p32cOF5q0Zqs9uBiONKYLm6BClCoBCM5O9JfeUSlnQLBTxYdTK+pW+nXflm8UkKd2UYlEbYz5qEi0JuZR9ckSw==",
 			"requires": {
-				"safer-buffer": "~2.1.0"
+				"bn.js": "4.11.8",
+				"inherits": "2.0.3",
+				"minimalistic-assert": "1.0.1"
 			}
 		},
-		"assert-plus": {
-			"version": "1.0.0",
-			"resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-			"integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-			"dev": true
-		},
-		"asynckit": {
-			"version": "0.4.0",
-			"resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
-			"integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
-			"dev": true
-		},
-		"aws-sign2": {
-			"version": "0.7.0",
-			"resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
-			"integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
-			"dev": true
-		},
-		"aws4": {
-			"version": "1.8.0",
-			"resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
-			"integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==",
-			"dev": true
-		},
 		"babel-code-frame": {
 			"version": "6.26.0",
 			"resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
 			"integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
 			"dev": true,
 			"requires": {
-				"chalk": "^1.1.3",
-				"esutils": "^2.0.2",
-				"js-tokens": "^3.0.2"
+				"chalk": "1.1.3",
+				"esutils": "2.0.2",
+				"js-tokens": "3.0.2"
 			},
 			"dependencies": {
-				"ansi-regex": {
-					"version": "2.1.1",
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 					"dev": true,
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-			"dev": true,
+		"cipher-base": {
+			"version": "1.0.4",
+			"resolved": "https://registry.npmjs.org/cipher-base/-/cipher-base-1.0.4.tgz",
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+		"cookiejar": {
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+		"create-ecdh": {
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+			"resolved": "https://registry.npmjs.org/create-ecdh/-/create-ecdh-4.0.3.tgz",
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+		"create-hmac": {
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+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-eth-personal/-/web3-eth-personal-1.0.0-beta.48.tgz",
+			"integrity": "sha512-mcoslAQpxBbGiPRO6tOAHiLK3WoE+O1fN/6WJLRkEYlDUEJeo3eoWiAkkyaCZyzqCrrohZpZ977s7/spuxSSDA==",
+			"requires": {
+				"@babel/runtime": "7.3.4",
+				"web3-core": "1.0.0-beta.48",
+				"web3-core-helpers": "1.0.0-beta.48",
+				"web3-core-method": "1.0.0-beta.48",
+				"web3-net": "1.0.0-beta.48",
+				"web3-providers": "1.0.0-beta.48",
+				"web3-utils": "1.0.0-beta.48"
+			}
+		},
+		"web3-net": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-net/-/web3-net-1.0.0-beta.48.tgz",
+			"integrity": "sha512-q9nLXc2DwepLaTvbJ8Bvv5QHJVY9CUNKJQnIYfcU+R5OHkZ9eN//B8skHbmk5dtbwKJbeUyt5sfZKas/cf4mlw==",
+			"requires": {
+				"@babel/runtime": "7.3.4",
+				"lodash": "4.17.11",
+				"web3-core": "1.0.0-beta.48",
+				"web3-core-helpers": "1.0.0-beta.48",
+				"web3-core-method": "1.0.0-beta.48",
+				"web3-providers": "1.0.0-beta.48",
+				"web3-utils": "1.0.0-beta.48"
+			}
+		},
+		"web3-providers": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-providers/-/web3-providers-1.0.0-beta.48.tgz",
+			"integrity": "sha512-rqWe370lftaYqvTSe8b7vdaANEBeoME6f30yD8VIEkKD6iEbp5TqCtP6A22zC6CEcVnCUrXIKsBCSI71f+QEtw==",
+			"requires": {
+				"@babel/runtime": "7.3.4",
+				"@types/node": "10.14.1",
+				"eventemitter3": "3.1.0",
+				"lodash": "4.17.11",
+				"oboe": "2.1.4",
+				"url-parse": "1.4.4",
+				"websocket": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+				"xhr2-cookies": "1.1.0"
+			}
+		},
+		"web3-utils": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.0.0-beta.48.tgz",
+			"integrity": "sha512-TK61xy7mRpLt53M8GbPnrFr9lA2SmqLHvWIJN8K9cU4oDH9MWxuxxJ+Lxg+pQPKqIO9f1u+AiMRNvSEuMeeAmg==",
+			"requires": {
+				"@babel/runtime": "7.3.4",
+				"@types/bn.js": "4.11.4",
+				"@types/node": "10.14.1",
+				"bn.js": "4.11.8",
+				"eth-lib": "0.2.8",
+				"ethjs-unit": "0.1.6",
+				"lodash": "4.17.11",
+				"number-to-bn": "1.7.0",
+				"randomhex": "0.1.5",
+				"utf8": "2.1.1"
+			}
+		},
+		"websocket": {
+			"version": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+			"requires": {
+				"debug": "2.6.9",
+				"nan": "2.13.1",
+				"typedarray-to-buffer": "3.1.5",
+				"yaeti": "0.0.6"
 			}
 		},
 		"wrappy": {
@@ -1552,10 +1449,10 @@
 			"resolved": "https://registry.npmjs.org/xhr/-/xhr-2.5.0.tgz",
 			"integrity": "sha512-4nlO/14t3BNUZRXIXfXe+3N6w3s1KoxcJUUURctd64BLRe67E4gRwp4PjywtDY72fXpZ1y6Ch0VZQRY/gMPzzQ==",
 			"requires": {
-				"global": "~4.3.0",
-				"is-function": "^1.0.1",
-				"parse-headers": "^2.0.0",
-				"xtend": "^4.0.0"
+				"global": "4.3.2",
+				"is-function": "1.0.1",
+				"parse-headers": "2.0.2",
+				"xtend": "4.0.1"
 			}
 		},
 		"xhr-request": {
@@ -1563,13 +1460,13 @@
 			"resolved": "https://registry.npmjs.org/xhr-request/-/xhr-request-1.1.0.tgz",
 			"integrity": "sha512-Y7qzEaR3FDtL3fP30k9wO/e+FBnBByZeybKOhASsGP30NIkRAAkKD/sCnLvgEfAIEC1rcmK7YG8f4oEnIrrWzA==",
 			"requires": {
-				"buffer-to-arraybuffer": "^0.0.5",
-				"object-assign": "^4.1.1",
-				"query-string": "^5.0.1",
-				"simple-get": "^2.7.0",
-				"timed-out": "^4.0.1",
-				"url-set-query": "^1.0.0",
-				"xhr": "^2.0.4"
+				"buffer-to-arraybuffer": "0.0.5",
+				"object-assign": "4.1.1",
+				"query-string": "5.1.1",
+				"simple-get": "2.8.1",
+				"timed-out": "4.0.1",
+				"url-set-query": "1.0.0",
+				"xhr": "2.5.0"
 			}
 		},
 		"xhr-request-promise": {
@@ -1577,49 +1474,31 @@
 			"resolved": "https://registry.npmjs.org/xhr-request-promise/-/xhr-request-promise-0.1.2.tgz",
 			"integrity": "sha1-NDxE0e53JrhkgGloLQ+EDIO0Jh0=",
 			"requires": {
-				"xhr-request": "^1.0.1"
+				"xhr-request": "1.1.0"
+			}
+		},
+		"xhr2-cookies": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/xhr2-cookies/-/xhr2-cookies-1.1.0.tgz",
+			"integrity": "sha1-fXdEnQmZGX8VXLc7I99yUF7YnUg=",
+			"requires": {
+				"cookiejar": "2.1.2"
 			}
 		},
+		"xmlhttprequest": {
+			"version": "1.8.0",
+			"resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
+			"integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw="
+		},
 		"xtend": {
 			"version": "4.0.1",
 			"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
 			"integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
 		},
-		"y18n": {
-			"version": "4.0.0",
-			"resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-			"integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
-			"dev": true
-		},
-		"yargs": {
-			"version": "12.0.5",
-			"resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
-			"integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
-			"dev": true,
-			"requires": {
-				"cliui": "^4.0.0",
-				"decamelize": "^1.2.0",
-				"find-up": "^3.0.0",
-				"get-caller-file": "^1.0.1",
-				"os-locale": "^3.0.0",
-				"require-directory": "^2.1.1",
-				"require-main-filename": "^1.0.1",
-				"set-blocking": "^2.0.0",
-				"string-width": "^2.0.0",
-				"which-module": "^2.0.0",
-				"y18n": "^3.2.1 || ^4.0.0",
-				"yargs-parser": "^11.1.1"
-			}
-		},
-		"yargs-parser": {
-			"version": "11.1.1",
-			"resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
-			"integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
-			"dev": true,
-			"requires": {
-				"camelcase": "^5.0.0",
-				"decamelize": "^1.2.0"
-			}
+		"yaeti": {
+			"version": "0.0.6",
+			"resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
+			"integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc="
 		}
 	}
 }
diff --git a/packages/web3-eth/package.json b/packages/web3-eth/package.json
index 74f10e5e0b3..dcad0f7ab28 100644
--- a/packages/web3-eth/package.json
+++ b/packages/web3-eth/package.json
@@ -34,7 +34,8 @@
         "web3-utils": "1.0.0-beta.48"
     },
     "devDependencies": {
-        "dtslint": "^0.4.2"
+        "definitelytyped-header-parser": "^1.0.1",
+        "dtslint": "0.4.2"
     },
     "files": [
         "dist",
diff --git a/packages/web3-eth/types/index.d.ts b/packages/web3-eth/types/index.d.ts
index 1e57d289922..18784ab1b9f 100644
--- a/packages/web3-eth/types/index.d.ts
+++ b/packages/web3-eth/types/index.d.ts
@@ -24,6 +24,7 @@ import {
     PromiEvent,
     RLPEncodedTransaction,
     Transaction,
+    TransactionConfig,
     TransactionReceipt,
     Web3ModuleOptions
 } from 'web3-core';
@@ -110,22 +111,22 @@ export class Eth extends AbstractWeb3Module {
     getTransactionCount(address: string, callback?: (error: Error, count: number) => void): Promise<number>;
     getTransactionCount(address: string, defaultBlock: number | string, callback?: (error: Error, count: number) => void): Promise<number>;
 
-    sendTransaction(transaction: Transaction, callback?: (error: Error, hash: string) => void): PromiEvent<TransactionReceipt>;
+    sendTransaction(transactionConfig: TransactionConfig, callback?: (error: Error, hash: string) => void): PromiEvent<TransactionReceipt>;
 
     sendSignedTransaction(signedTransactionData: string, callback?: (error: Error, gas: string) => void): PromiEvent<TransactionReceipt>
 
     sign(dataToSign: string, address: string | number, callback?: (error: Error, signature: string) => void): Promise<string>;
 
-    signTransaction(transaction: Transaction, callback?: (error: Error, signedTransaction: RLPEncodedTransaction) => void): Promise<RLPEncodedTransaction>;
-    signTransaction(transaction: Transaction, address: string): Promise<RLPEncodedTransaction>;
-    signTransaction(transaction: Transaction, address: string, callback: (error: Error, signedTransaction: RLPEncodedTransaction) => void): Promise<RLPEncodedTransaction>;
+    signTransaction(transactionConfig: TransactionConfig, callback?: (error: Error, signedTransaction: RLPEncodedTransaction) => void): Promise<RLPEncodedTransaction>;
+    signTransaction(transactionConfig: TransactionConfig, address: string): Promise<RLPEncodedTransaction>;
+    signTransaction(transactionConfig: TransactionConfig, address: string, callback: (error: Error, signedTransaction: RLPEncodedTransaction) => void): Promise<RLPEncodedTransaction>;
 
-    call(transaction: Transaction): Promise<string>;
-    call(transaction: Transaction, defaultBlock?: number | string): Promise<string>;
-    call(transaction: Transaction, callback?: (error: Error, data: string) => void): Promise<string>;
-    call(transaction: Transaction, defaultBlock: number | string, callback: (error: Error, data: string) => void): Promise<string>;
+    call(transactionConfig: TransactionConfig): Promise<string>;
+    call(transactionConfig: TransactionConfig, defaultBlock?: number | string): Promise<string>;
+    call(transactionConfig: TransactionConfig, callback?: (error: Error, data: string) => void): Promise<string>;
+    call(transactionConfig: TransactionConfig, defaultBlock: number | string, callback: (error: Error, data: string) => void): Promise<string>;
 
-    estimateGas(transaction: Transaction, callback?: (error: Error, gas: number) => void): Promise<number>;
+    estimateGas(transactionConfig: TransactionConfig, callback?: (error: Error, gas: number) => void): Promise<number>;
 
     getPastLogs(options: PastLogsOptions, callback?: (error: Error, logs: Log[]) => void): Promise<Log[]>;
 
diff --git a/packages/web3-net/package-lock.json b/packages/web3-net/package-lock.json
index 92ec72ff8b2..8f81e9556b1 100644
--- a/packages/web3-net/package-lock.json
+++ b/packages/web3-net/package-lock.json
@@ -9,31 +9,32 @@
 			"resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.3.1.tgz",
 			"integrity": "sha512-7jGW8ppV0ant637pIqAcFfQDDH1orEPGJb8aXfUozuCU3QqX7rX4DA8iwrbPrR1hcH0FTTHz47yQnk+bl5xHQA==",
 			"requires": {
-				"regenerator-runtime": "^0.12.0"
+				"regenerator-runtime": "0.12.1"
 			}
 		},
+		"@types/bn.js": {
+			"version": "4.11.4",
+			"resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.4.tgz",
+			"integrity": "sha512-AO8WW+aRcKWKQAYTfKLzwnpL6U+TfPqS+haRrhCy5ff04Da8WZud3ZgVjspQXaEXJDcTlsjUEVvL39wegDek5w==",
+			"requires": {
+				"@types/node": "10.14.1"
+			}
+		},
+		"@types/node": {
+			"version": "10.14.1",
+			"resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.1.tgz",
+			"integrity": "sha512-Rymt08vh1GaW4vYB6QP61/5m/CFLGnFZP++bJpWbiNxceNa6RBipDmb413jvtSf/R1gg5a/jQVl2jY4XVRscEA=="
+		},
 		"@types/parsimmon": {
 			"version": "1.10.0",
 			"resolved": "https://registry.npmjs.org/@types/parsimmon/-/parsimmon-1.10.0.tgz",
 			"integrity": "sha512-bsTIJFVQv7jnvNiC42ld2pQW2KRI+pAG243L+iATvqzy3X6+NH1obz2itRKDZZ8VVhN3wjwYax/VBGCcXzgTqQ==",
 			"dev": true
 		},
-		"ajv": {
-			"version": "6.10.0",
-			"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
-			"integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
-			"dev": true,
-			"requires": {
-				"fast-deep-equal": "^2.0.1",
-				"fast-json-stable-stringify": "^2.0.0",
-				"json-schema-traverse": "^0.4.1",
-				"uri-js": "^4.2.2"
-			}
-		},
 		"ansi-regex": {
-			"version": "3.0.0",
-			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-			"integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+			"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
 			"dev": true
 		},
 		"ansi-styles": {
@@ -48,79 +49,31 @@
 			"integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
 			"dev": true,
 			"requires": {
-				"sprintf-js": "~1.0.2"
-			}
-		},
-		"asn1": {
-			"version": "0.2.4",
-			"resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
-			"integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
-			"dev": true,
-			"requires": {
-				"safer-buffer": "~2.1.0"
+				"sprintf-js": "1.0.3"
 			}
 		},
-		"assert-plus": {
-			"version": "1.0.0",
-			"resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-			"integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-			"dev": true
-		},
-		"asynckit": {
-			"version": "0.4.0",
-			"resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
-			"integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
-			"dev": true
-		},
-		"aws-sign2": {
-			"version": "0.7.0",
-			"resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
-			"integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
-			"dev": true
-		},
-		"aws4": {
-			"version": "1.8.0",
-			"resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
-			"integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==",
-			"dev": true
-		},
 		"babel-code-frame": {
 			"version": "6.26.0",
 			"resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
 			"integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
 			"dev": true,
 			"requires": {
-				"chalk": "^1.1.3",
-				"esutils": "^2.0.2",
-				"js-tokens": "^3.0.2"
+				"chalk": "1.1.3",
+				"esutils": "2.0.2",
+				"js-tokens": "3.0.2"
 			},
 			"dependencies": {
-				"ansi-regex": {
-					"version": "2.1.1",
-					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-					"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-					"dev": true
-				},
 				"chalk": {
 					"version": "1.1.3",
 					"resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
 					"integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
 					"dev": true,
 					"requires": {
-						"ansi-styles": "^2.2.1",
-						"escape-string-regexp": "^1.0.2",
-						"has-ansi": "^2.0.0",
-						"strip-ansi": "^3.0.0",
-						"supports-color": "^2.0.0"
-					}
-				},
-				"strip-ansi": {
-					"version": "3.0.1",
-					"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-					"integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-					"dev": true,
-					"requires": {
-						"ansi-regex": "^2.0.0"
+						"ansi-styles": "2.2.1",
+						"escape-string-regexp": "1.0.5",
+						"has-ansi": "2.0.0",
+						"strip-ansi": "3.0.1",
+						"supports-color": "2.0.0"
 					}
 				}
 			}
@@ -131,14 +84,10 @@
 			"integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
 			"dev": true
 		},
-		"bcrypt-pbkdf": {
-			"version": "1.0.2",
-			"resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
-			"integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
-			"dev": true,
-			"requires": {
-				"tweetnacl": "^0.14.3"
-			}
+		"bn.js": {
+			"version": "4.11.8",
+			"resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+			"integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA=="
 		},
 		"brace-expansion": {
 			"version": "1.1.11",
@@ -146,37 +95,35 @@
 			"integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
 			"dev": true,
 			"requires": {
-				"balanced-match": "^1.0.0",
+				"balanced-match": "1.0.0",
 				"concat-map": "0.0.1"
 			}
 		},
+		"brorand": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/brorand/-/brorand-1.1.0.tgz",
+			"integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8="
+		},
+		"buffer-to-arraybuffer": {
+			"version": "0.0.5",
+			"resolved": "https://registry.npmjs.org/buffer-to-arraybuffer/-/buffer-to-arraybuffer-0.0.5.tgz",
+			"integrity": "sha1-YGSkD6dutDxyOrqe+PbhIW0QURo="
+		},
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-			"dev": true,
+		"xhr-request-promise": {
+			"version": "0.1.2",
+			"resolved": "https://registry.npmjs.org/xhr-request-promise/-/xhr-request-promise-0.1.2.tgz",
+			"integrity": "sha1-NDxE0e53JrhkgGloLQ+EDIO0Jh0=",
 			"requires": {
-				"camelcase": "^5.0.0",
-				"decamelize": "^1.2.0"
+				"xhr-request": "1.1.0"
 			}
+		},
+		"xhr2-cookies": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/xhr2-cookies/-/xhr2-cookies-1.1.0.tgz",
+			"integrity": "sha1-fXdEnQmZGX8VXLc7I99yUF7YnUg=",
+			"requires": {
+				"cookiejar": "2.1.2"
+			}
+		},
+		"xtend": {
+			"version": "4.0.1",
+			"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
+			"integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
+		},
+		"yaeti": {
+			"version": "0.0.6",
+			"resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
+			"integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc="
 		}
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 }
diff --git a/packages/web3-net/package.json b/packages/web3-net/package.json
index ae1cac3d048..bfe7bc34c6b 100644
--- a/packages/web3-net/package.json
+++ b/packages/web3-net/package.json
@@ -25,7 +25,8 @@
         "web3-utils": "1.0.0-beta.48"
     },
     "devDependencies": {
-        "dtslint": "^0.4.2"
+        "definitelytyped-header-parser": "^1.0.1",
+        "dtslint": "0.4.2"
     },
     "files": [
         "dist",
diff --git a/packages/web3-providers/package-lock.json b/packages/web3-providers/package-lock.json
index bff32aeffd3..4d6ef03c13e 100644
--- a/packages/web3-providers/package-lock.json
+++ b/packages/web3-providers/package-lock.json
@@ -9,7 +9,16 @@
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 			"requires": {
-				"regenerator-runtime": "^0.12.0"
+				"regenerator-runtime": "0.12.1"
+			}
+		},
+		"@types/bn.js": {
+			"version": "4.11.4",
+			"resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.4.tgz",
+			"integrity": "sha512-AO8WW+aRcKWKQAYTfKLzwnpL6U+TfPqS+haRrhCy5ff04Da8WZud3ZgVjspQXaEXJDcTlsjUEVvL39wegDek5w==",
+			"dev": true,
+			"requires": {
+				"@types/node": "10.14.1"
 			}
 		},
 		"@types/node": {
@@ -23,22 +32,10 @@
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 			"dev": true
 		},
-		"ajv": {
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-			"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
-			"integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
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-			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-			"integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+			"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
 			"dev": true
 		},
 		"ansi-styles": {
@@ -53,79 +50,31 @@
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 			"dev": true,
 			"requires": {
-				"sprintf-js": "~1.0.2"
+				"sprintf-js": "1.0.3"
 			}
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-		"asn1": {
-			"version": "0.2.4",
-			"resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
-			"integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
-			"dev": true,
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-		"assert-plus": {
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-			"resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-			"integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
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-		},
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-			"integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
-			"dev": true
-		},
-		"aws-sign2": {
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-			"resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
-			"integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
-			"dev": true
-		},
-		"aws4": {
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-			"integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==",
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-		},
 		"babel-code-frame": {
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 			"integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
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 			"requires": {
-				"chalk": "^1.1.3",
-				"esutils": "^2.0.2",
-				"js-tokens": "^3.0.2"
+				"chalk": "1.1.3",
+				"esutils": "2.0.2",
+				"js-tokens": "3.0.2"
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-				"ansi-regex": {
-					"version": "2.1.1",
-					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-					"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
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 					"integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
 					"dev": true,
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-						"has-ansi": "^2.0.0",
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-				"strip-ansi": {
-					"version": "3.0.1",
-					"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-					"integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-					"dev": true,
-					"requires": {
-						"ansi-regex": "^2.0.0"
+						"ansi-styles": "2.2.1",
+						"escape-string-regexp": "1.0.5",
+						"has-ansi": "2.0.0",
+						"strip-ansi": "3.0.1",
+						"supports-color": "2.0.0"
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@@ -136,14 +85,11 @@
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 			"dev": true
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-		"bcrypt-pbkdf": {
-			"version": "1.0.2",
-			"resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
-			"integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
-			"dev": true,
-			"requires": {
-				"tweetnacl": "^0.14.3"
-			}
+		"bn.js": {
+			"version": "4.11.8",
+			"resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+			"integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
+			"dev": true
 		},
 		"brace-expansion": {
 			"version": "1.1.11",
@@ -151,26 +97,26 @@
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 			"dev": true,
 			"requires": {
-				"balanced-match": "^1.0.0",
+				"balanced-match": "1.0.0",
 				"concat-map": "0.0.1"
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-		"builtin-modules": {
-			"version": "1.1.1",
-			"resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
-			"integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
+		"brorand": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/brorand/-/brorand-1.1.0.tgz",
+			"integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=",
 			"dev": true
 		},
-		"camelcase": {
-			"version": "5.2.0",
-			"resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.2.0.tgz",
-			"integrity": "sha512-IXFsBS2pC+X0j0N/GE7Dm7j3bsEBp+oTpb7F50dwEVX7rf3IgwO9XatnegTsDtniKCUtEJH4fSU6Asw7uoVLfQ==",
+		"buffer-to-arraybuffer": {
+			"version": "0.0.5",
+			"resolved": "https://registry.npmjs.org/buffer-to-arraybuffer/-/buffer-to-arraybuffer-0.0.5.tgz",
+			"integrity": "sha1-YGSkD6dutDxyOrqe+PbhIW0QURo=",
 			"dev": true
 		},
-		"caseless": {
-			"version": "0.12.0",
-			"resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
-			"integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=",
+		"builtin-modules": {
+			"version": "1.1.1",
+			"resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
+			"integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
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-				"ansi-styles": "^3.2.1",
-				"escape-string-regexp": "^1.0.5",
-				"supports-color": "^5.3.0"
+				"ansi-styles": "3.2.1",
+				"escape-string-regexp": "1.0.5",
+				"supports-color": "5.5.0"
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@@ -190,7 +136,7 @@
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 					"dev": true,
 					"requires": {
-						"color-convert": "^1.9.0"
+						"color-convert": "1.9.3"
 					}
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@@ -199,28 +145,11 @@
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 					"dev": true,
 					"requires": {
-						"has-flag": "^3.0.0"
+						"has-flag": "3.0.0"
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-		"cliui": {
-			"version": "4.1.0",
-			"resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
-			"integrity": "sha512-4FG+RSG9DL7uEwRUZXZn3SS34DiDPfzP0VOiEwtUWlE+AR2EIg+hSyvrIgUUfhdgR/UkAeW2QHgeP+hWrXs7jQ==",
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-		"code-point-at": {
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-			"resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
-			"integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
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-		},
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@@ -236,15 +165,6 @@
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@@ -262,34 +182,6 @@
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-		},
-		"cross-spawn": {
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-			"integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
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@@ -298,77 +190,102 @@
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-			"integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=",
+		"decode-uri-component": {
+			"version": "0.2.0",
+			"resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.0.tgz",
+			"integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=",
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 		},
+		"decompress-response": {
+			"version": "3.3.0",
+			"resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-3.3.0.tgz",
+			"integrity": "sha1-gKTdMjdIOEv6JICDYirt7Jgq3/M=",
+			"dev": true,
+			"requires": {
+				"mimic-response": "1.0.1"
+			}
+		},
+		"define-properties": {
+			"version": "1.1.3",
+			"resolved": "https://registry.npmjs.org/define-properties/-/define-properties-1.1.3.tgz",
+			"integrity": "sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==",
+			"dev": true,
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-				"@types/parsimmon": "^1.3.0",
-				"parsimmon": "^1.2.0"
+				"@types/parsimmon": "1.10.0",
+				"parsimmon": "1.12.0"
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+			"integrity": "sha1-ZyIm3HTI95mtNTB9+TaroRrNYBg=",
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-		"websocket": {
-			"version": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
-			"from": "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible",
+		"web3-core-helpers": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-core-helpers/-/web3-core-helpers-1.0.0-beta.48.tgz",
+			"integrity": "sha512-WjRKTw67IVX1k0S600c9pyp1YZib3AjSOFWAyJu5XbhtckXryZ5oQVFbJRc7XVeJWJA0yLGnqZuSUSh4ot8Byw==",
+			"dev": true,
 			"requires": {
-				"debug": "^2.2.0",
-				"nan": "^2.3.3",
-				"typedarray-to-buffer": "^3.1.2",
-				"yaeti": "^0.0.6"
+				"@babel/runtime": "7.3.4",
+				"lodash": "4.17.11",
+				"web3-eth-iban": "1.0.0-beta.48",
+				"web3-utils": "1.0.0-beta.48"
 			}
 		},
-		"which": {
-			"version": "1.3.1",
-			"resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
-			"integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
+		"web3-core-method": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-core-method/-/web3-core-method-1.0.0-beta.48.tgz",
+			"integrity": "sha512-/VfRiFzksrHqKbicK+Yw8SzK2hw/YXKjTQ6l/j9CVFw2FDpBqQtlo9A3qZNeoo6aIh1McTVeSSIrR9vJGFo3dw==",
 			"dev": true,
 			"requires": {
-				"isexe": "^2.0.0"
+				"@babel/runtime": "7.3.4",
+				"eventemitter3": "3.1.0",
+				"lodash": "4.17.11",
+				"web3-core": "1.0.0-beta.48",
+				"web3-core-helpers": "1.0.0-beta.48",
+				"web3-core-promievent": "1.0.0-beta.48",
+				"web3-core-subscriptions": "1.0.0-beta.48",
+				"web3-utils": "1.0.0-beta.48"
 			}
 		},
-		"which-module": {
-			"version": "2.0.0",
-			"resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
-			"integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
-			"dev": true
+		"web3-core-promievent": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-core-promievent/-/web3-core-promievent-1.0.0-beta.48.tgz",
+			"integrity": "sha512-GNUnYUL0PUO/QzvlYxIlZW5Pra3jyjN6uHuUSDFRp59NbknluP470nTSC/+0XkvZrVTYADf0+04yyOlVM083Ug==",
+			"dev": true,
+			"requires": {
+				"@babel/runtime": "7.3.4",
+				"eventemitter3": "3.1.0"
+			}
 		},
-		"wrap-ansi": {
-			"version": "2.1.0",
-			"resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
-			"integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+		"web3-core-subscriptions": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.48.tgz",
+			"integrity": "sha512-9G5hQhFuEvEtZ+e+wEulpfGQnUny7McDiQ6G3pxN6b5/Wg7MVW5Zovcm8s7kvBGISW/8UkRVOJ1vYkzjH0Y2fg==",
 			"dev": true,
 			"requires": {
-				"string-width": "^1.0.1",
-				"strip-ansi": "^3.0.1"
-			},
-			"dependencies": {
-				"ansi-regex": {
-					"version": "2.1.1",
-					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-					"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-					"dev": true
-				},
-				"is-fullwidth-code-point": {
-					"version": "1.0.0",
-					"resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
-					"integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
-					"dev": true,
-					"requires": {
-						"number-is-nan": "^1.0.0"
-					}
-				},
-				"string-width": {
-					"version": "1.0.2",
-					"resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-					"integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
-					"dev": true,
-					"requires": {
-						"code-point-at": "^1.0.0",
-						"is-fullwidth-code-point": "^1.0.0",
-						"strip-ansi": "^3.0.0"
-					}
-				},
-				"strip-ansi": {
-					"version": "3.0.1",
-					"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-					"integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-					"dev": true,
-					"requires": {
-						"ansi-regex": "^2.0.0"
-					}
-				}
+				"@babel/runtime": "7.3.4",
+				"eventemitter3": "3.1.0",
+				"lodash": "4.17.11",
+				"web3-core-helpers": "1.0.0-beta.48",
+				"web3-utils": "1.0.0-beta.48"
+			}
+		},
+		"web3-eth-iban": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-eth-iban/-/web3-eth-iban-1.0.0-beta.48.tgz",
+			"integrity": "sha512-ZQapOV6qTP6Wb3TMFUNRyyFwFgPYbB4pGdSW3OkNjFpx8xr+QjcQgwa6EbnSgF+3ApgSWeUzPtdRlqvV/7j5Lw==",
+			"dev": true,
+			"requires": {
+				"@babel/runtime": "7.3.4",
+				"bn.js": "4.11.8",
+				"web3-utils": "1.0.0-beta.48"
+			}
+		},
+		"web3-utils": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.0.0-beta.48.tgz",
+			"integrity": "sha512-TK61xy7mRpLt53M8GbPnrFr9lA2SmqLHvWIJN8K9cU4oDH9MWxuxxJ+Lxg+pQPKqIO9f1u+AiMRNvSEuMeeAmg==",
+			"dev": true,
+			"requires": {
+				"@babel/runtime": "7.3.4",
+				"@types/bn.js": "4.11.4",
+				"@types/node": "10.14.1",
+				"bn.js": "4.11.8",
+				"eth-lib": "0.2.8",
+				"ethjs-unit": "0.1.6",
+				"lodash": "4.17.11",
+				"number-to-bn": "1.7.0",
+				"randomhex": "0.1.5",
+				"utf8": "2.1.1"
+			}
+		},
+		"websocket": {
+			"version": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+			"requires": {
+				"debug": "2.6.9",
+				"nan": "2.13.0",
+				"typedarray-to-buffer": "3.1.5",
+				"yaeti": "0.0.6"
 			}
 		},
 		"wrappy": {
@@ -1354,54 +1000,60 @@
 			"integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
 			"dev": true
 		},
+		"xhr": {
+			"version": "2.5.0",
+			"resolved": "https://registry.npmjs.org/xhr/-/xhr-2.5.0.tgz",
+			"integrity": "sha512-4nlO/14t3BNUZRXIXfXe+3N6w3s1KoxcJUUURctd64BLRe67E4gRwp4PjywtDY72fXpZ1y6Ch0VZQRY/gMPzzQ==",
+			"dev": true,
+			"requires": {
+				"global": "4.3.2",
+				"is-function": "1.0.1",
+				"parse-headers": "2.0.2",
+				"xtend": "4.0.1"
+			}
+		},
+		"xhr-request": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/xhr-request/-/xhr-request-1.1.0.tgz",
+			"integrity": "sha512-Y7qzEaR3FDtL3fP30k9wO/e+FBnBByZeybKOhASsGP30NIkRAAkKD/sCnLvgEfAIEC1rcmK7YG8f4oEnIrrWzA==",
+			"dev": true,
+			"requires": {
+				"buffer-to-arraybuffer": "0.0.5",
+				"object-assign": "4.1.1",
+				"query-string": "5.1.1",
+				"simple-get": "2.8.1",
+				"timed-out": "4.0.1",
+				"url-set-query": "1.0.0",
+				"xhr": "2.5.0"
+			}
+		},
+		"xhr-request-promise": {
+			"version": "0.1.2",
+			"resolved": "https://registry.npmjs.org/xhr-request-promise/-/xhr-request-promise-0.1.2.tgz",
+			"integrity": "sha1-NDxE0e53JrhkgGloLQ+EDIO0Jh0=",
+			"dev": true,
+			"requires": {
+				"xhr-request": "1.1.0"
+			}
+		},
 		"xhr2-cookies": {
 			"version": "1.1.0",
 			"resolved": "https://registry.npmjs.org/xhr2-cookies/-/xhr2-cookies-1.1.0.tgz",
 			"integrity": "sha1-fXdEnQmZGX8VXLc7I99yUF7YnUg=",
 			"requires": {
-				"cookiejar": "^2.1.1"
+				"cookiejar": "2.1.2"
 			}
 		},
-		"y18n": {
-			"version": "4.0.0",
-			"resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-			"integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
+		"xtend": {
+			"version": "4.0.1",
+			"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
+			"integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
 			"dev": true
 		},
 		"yaeti": {
 			"version": "0.0.6",
 			"resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
 			"integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc="
-		},
-		"yargs": {
-			"version": "12.0.5",
-			"resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
-			"integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
-			"dev": true,
-			"requires": {
-				"cliui": "^4.0.0",
-				"decamelize": "^1.2.0",
-				"find-up": "^3.0.0",
-				"get-caller-file": "^1.0.1",
-				"os-locale": "^3.0.0",
-				"require-directory": "^2.1.1",
-				"require-main-filename": "^1.0.1",
-				"set-blocking": "^2.0.0",
-				"string-width": "^2.0.0",
-				"which-module": "^2.0.0",
-				"y18n": "^3.2.1 || ^4.0.0",
-				"yargs-parser": "^11.1.1"
-			}
-		},
-		"yargs-parser": {
-			"version": "11.1.1",
-			"resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
-			"integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
-			"dev": true,
-			"requires": {
-				"camelcase": "^5.0.0",
-				"decamelize": "^1.2.0"
-			}
 		}
 	}
 }
diff --git a/packages/web3-providers/package.json b/packages/web3-providers/package.json
index eea596c1f63..056822d5ec6 100644
--- a/packages/web3-providers/package.json
+++ b/packages/web3-providers/package.json
@@ -26,7 +26,8 @@
         "xhr2-cookies": "1.1.0"
     },
     "devDependencies": {
-        "dtslint": "^0.4.2",
+        "definitelytyped-header-parser": "^1.0.1",
+        "dtslint": "0.4.2",
         "web3-core": "1.0.0-beta.48",
         "web3-core-helpers": "1.0.0-beta.48",
         "web3-core-method": "1.0.0-beta.48",
diff --git a/packages/web3-providers/types/index.d.ts b/packages/web3-providers/types/index.d.ts
index aa051370308..a90545bcb53 100644
--- a/packages/web3-providers/types/index.d.ts
+++ b/packages/web3-providers/types/index.d.ts
@@ -29,7 +29,7 @@ export class BatchRequest {
 
     add(method: AbstractMethod): void;
 
-    execute(): Promise<{methods: AbstractMethod[], response: object[]}|Error[]>;
+    execute(): Promise<{methods: AbstractMethod[]; response: any[]} | Error[]>;
 }
 
 export class ProviderDetector {
@@ -56,9 +56,9 @@ export class HttpProvider {
     host: string;
     connected: boolean;
 
-    send(method: string, parameters: any[]): Promise<object>;
+    send(method: string, parameters: any[]): Promise<any>;
 
-    sendBatch(methods: AbstractMethod[], moduleInstance: AbstractWeb3Module): Promise<object[]>;
+    sendBatch(methods: AbstractMethod[], moduleInstance: AbstractWeb3Module): Promise<any[]>;
 
     disconnect(): boolean;
 }
@@ -71,15 +71,15 @@ export class AbstractSocketProvider {
 
     registerEventListeners(): void;
 
-    send(method: string, parameters: any[]): Promise<object>;
+    send(method: string, parameters: any[]): Promise<any>;
 
-    sendBatch(methods: AbstractMethod[], moduleInstance: AbstractWeb3Module): Promise<object[]>;
+    sendBatch(methods: AbstractMethod[], moduleInstance: AbstractWeb3Module): Promise<any[]>;
 
     subscribe(subscribeMethod: string, subscriptionMethod: string, parameters: any[]): Promise<string>;
 
     unsubscribe(subscriptionId: string, unsubscribeMethod: string): Promise<boolean>;
 
-    clearSubscriptions(unsubscribeMethod: string): Promise<boolean>
+    clearSubscriptions(unsubscribeMethod: string): Promise<boolean>;
 
     on(type: string, callback: () => void): void;
 
@@ -89,7 +89,7 @@ export class AbstractSocketProvider {
 
     reset(): void;
 
-    reconnect(): void
+    reconnect(): void;
 
     disconnect(code: number, reason: string): void;
 }
@@ -110,15 +110,15 @@ export class EthereumProvider {
     host: string;
     registerEventListeners(): void;
 
-    send(method: string, parameters: any[]): Promise<object>;
+    send(method: string, parameters: any[]): Promise<any>;
 
-    sendBatch(methods: AbstractMethod[], moduleInstance: AbstractWeb3Module): Promise<object[]>;
+    sendBatch(methods: AbstractMethod[], moduleInstance: AbstractWeb3Module): Promise<any[]>;
 
     subscribe(subscribeMethod: string, subscriptionMethod: string, parameters: any[]): Promise<string>;
 
     unsubscribe(subscriptionId: string, unsubscribeMethod: string): Promise<boolean>;
 
-    clearSubscriptions(unsubscribeMethod: string): Promise<boolean>
+    clearSubscriptions(unsubscribeMethod: string): Promise<boolean>;
 
     on(type: string, callback: () => void): void;
 
diff --git a/packages/web3-providers/types/tests/abstract-socket-provider-test.ts b/packages/web3-providers/types/tests/abstract-socket-provider-test.ts
index 2a6894736ea..d8f2a4d7357 100644
--- a/packages/web3-providers/types/tests/abstract-socket-provider-test.ts
+++ b/packages/web3-providers/types/tests/abstract-socket-provider-test.ts
@@ -34,11 +34,14 @@ abstractSocketProvider.connected;
 // $ExpectType void
 abstractSocketProvider.registerEventListeners();
 
-// $ExpectType Promise<object>
+// $ExpectType Promise<any>
 abstractSocketProvider.send('rpc_method', []);
 
-// $ExpectType Promise<object[]>
-abstractSocketProvider.sendBatch([], new AbstractWeb3Module('http://localhost:7545'));
+// $ExpectType Promise<any[]>
+abstractSocketProvider.sendBatch(
+    [],
+    new AbstractWeb3Module('http://localhost:7545')
+);
 
 // $ExpectType Promise<string>
 abstractSocketProvider.subscribe('eth_subscribe', 'logs', []);
diff --git a/packages/web3-providers/types/tests/batch-request-test.ts b/packages/web3-providers/types/tests/batch-request-test.ts
index f239c9ffa47..cdf3710d5ab 100644
--- a/packages/web3-providers/types/tests/batch-request-test.ts
+++ b/packages/web3-providers/types/tests/batch-request-test.ts
@@ -31,15 +31,7 @@ const batchRequest = new BatchRequest(
 );
 
 // $ExpectType void
-batchRequest.add(
-    new AbstractMethod(
-        'rpc_method',
-        1,
-        Utils,
-        formatters,
-        new AbstractWeb3Module('http://localhost:7545')
-    )
-);
+batchRequest.add(new AbstractMethod('eth_coinbase', 1, Utils, new formatters(), new AbstractWeb3Module('http://localhost:7545')));
 
-// $ExpectType Promise<{ methods: AbstractMethod[]; response: object[]; } | Error[]>
+// $ExpectType Promise<{ methods: AbstractMethod[]; response: any[]; } | Error[]>
 batchRequest.execute();
diff --git a/packages/web3-providers/types/tests/http-provider-test.ts b/packages/web3-providers/types/tests/http-provider-test.ts
index dd82bb8781e..9163f77d53c 100644
--- a/packages/web3-providers/types/tests/http-provider-test.ts
+++ b/packages/web3-providers/types/tests/http-provider-test.ts
@@ -16,29 +16,31 @@
 */
 /**
  * @file http-provider-test.ts
- * @author Josh Stevens <joshstevens19@hotmail.co.uk>, Samuel Furter <samuel@ethereum.org>
+ * @author Josh Stevens <joshstevens19@hotmail.co.uk> , Samuel Furter <samuel@ethereum.org>
  * @date 2018
  */
 
 import {AbstractWeb3Module} from 'web3-core';
-import {HttpProvider, ProvidersModuleFactory} from 'web3-providers';
-
-const httpProvider = new HttpProvider(
-    'http://localhost:8545',
-    {
-        timeout: 20000,
-        headers: [
-            {
-                name: 'Access-Control-Allow-Origin', value: '*'
-            }
-        ]
-    });
-
-// $ExpectType Promise<object>
+import {HttpProvider} from 'web3-providers';
+
+const httpProvider = new HttpProvider('http://localhost:8545', {
+    timeout: 20000,
+    headers: [
+        {
+            name: 'Access-Control-Allow-Origin',
+            value: '*'
+        }
+    ]
+});
+
+// $ExpectType Promise<any>
 httpProvider.send('rpc_method', []);
 
-// $ExpectType Promise<object[]>
-httpProvider.sendBatch([], new AbstractWeb3Module('http://localhost:7545'));
+// $ExpectType Promise<any[]>
+httpProvider.sendBatch(
+    [],
+    new AbstractWeb3Module('http://localhost:7545')
+);
 
 // $ExpectType boolean
 httpProvider.disconnect();
diff --git a/packages/web3-providers/types/tests/provider-module-factory-test.ts b/packages/web3-providers/types/tests/provider-module-factory-test.ts
index c733e74311f..99ec7e94e03 100644
--- a/packages/web3-providers/types/tests/provider-module-factory-test.ts
+++ b/packages/web3-providers/types/tests/provider-module-factory-test.ts
@@ -20,14 +20,16 @@
  * @date 2018
  */
 
-import * as net from "net";
+import * as net from 'net';
 import {AbstractWeb3Module} from 'web3-core';
 import {ProvidersModuleFactory} from 'web3-providers';
 
 const providersModuleFactory = new ProvidersModuleFactory();
 
 // $ExpectType BatchRequest
-providersModuleFactory.createBatchRequest(new AbstractWeb3Module('http://localhost:7545'));
+providersModuleFactory.createBatchRequest(
+    new AbstractWeb3Module('http://localhost:7545')
+);
 
 // $ExpectType ProviderResolver
 providersModuleFactory.createProviderResolver();
diff --git a/packages/web3-shh/package-lock.json b/packages/web3-shh/package-lock.json
index bf2ec54e968..182b48c30ee 100644
--- a/packages/web3-shh/package-lock.json
+++ b/packages/web3-shh/package-lock.json
@@ -9,31 +9,32 @@
 			"resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.3.1.tgz",
 			"integrity": "sha512-7jGW8ppV0ant637pIqAcFfQDDH1orEPGJb8aXfUozuCU3QqX7rX4DA8iwrbPrR1hcH0FTTHz47yQnk+bl5xHQA==",
 			"requires": {
-				"regenerator-runtime": "^0.12.0"
+				"regenerator-runtime": "0.12.1"
 			}
 		},
+		"@types/bn.js": {
+			"version": "4.11.4",
+			"resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.4.tgz",
+			"integrity": "sha512-AO8WW+aRcKWKQAYTfKLzwnpL6U+TfPqS+haRrhCy5ff04Da8WZud3ZgVjspQXaEXJDcTlsjUEVvL39wegDek5w==",
+			"requires": {
+				"@types/node": "10.14.1"
+			}
+		},
+		"@types/node": {
+			"version": "10.14.1",
+			"resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.1.tgz",
+			"integrity": "sha512-Rymt08vh1GaW4vYB6QP61/5m/CFLGnFZP++bJpWbiNxceNa6RBipDmb413jvtSf/R1gg5a/jQVl2jY4XVRscEA=="
+		},
 		"@types/parsimmon": {
 			"version": "1.10.0",
 			"resolved": "https://registry.npmjs.org/@types/parsimmon/-/parsimmon-1.10.0.tgz",
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-					"dev": true,
-					"requires": {
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-					}
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+				"@babel/runtime": "7.3.1",
+				"eventemitter3": "3.1.0"
+			}
+		},
+		"web3-core-subscriptions": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.48.tgz",
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+		},
+		"web3-eth-iban": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-eth-iban/-/web3-eth-iban-1.0.0-beta.48.tgz",
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+				"bn.js": "4.11.8",
+				"web3-utils": "1.0.0-beta.48"
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+		},
+		"web3-net": {
+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-net/-/web3-net-1.0.0-beta.48.tgz",
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+				"web3-core-helpers": "1.0.0-beta.48",
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+				"web3-utils": "1.0.0-beta.48"
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+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-providers/-/web3-providers-1.0.0-beta.48.tgz",
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+				"lodash": "4.17.11",
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+				"websocket": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+				"xhr2-cookies": "1.1.0"
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+			"version": "1.0.0-beta.48",
+			"resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.0.0-beta.48.tgz",
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+				"@types/bn.js": "4.11.4",
+				"@types/node": "10.14.1",
+				"bn.js": "4.11.8",
+				"eth-lib": "0.2.8",
+				"ethjs-unit": "0.1.6",
+				"lodash": "4.17.11",
+				"number-to-bn": "1.7.0",
+				"randomhex": "0.1.5",
+				"utf8": "2.1.1"
+			}
+		},
+		"websocket": {
+			"version": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+			"requires": {
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+				"nan": "2.13.1",
+				"typedarray-to-buffer": "3.1.5",
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+			"integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
 		},
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-			"dev": true
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+			"resolved": "https://registry.npmjs.org/xhr/-/xhr-2.5.0.tgz",
+			"integrity": "sha512-4nlO/14t3BNUZRXIXfXe+3N6w3s1KoxcJUUURctd64BLRe67E4gRwp4PjywtDY72fXpZ1y6Ch0VZQRY/gMPzzQ==",
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+				"is-function": "1.0.1",
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-			"dev": true,
+		"xhr-request": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/xhr-request/-/xhr-request-1.1.0.tgz",
+			"integrity": "sha512-Y7qzEaR3FDtL3fP30k9wO/e+FBnBByZeybKOhASsGP30NIkRAAkKD/sCnLvgEfAIEC1rcmK7YG8f4oEnIrrWzA==",
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-				"y18n": "^3.2.1 || ^4.0.0",
-				"yargs-parser": "^11.1.1"
+				"buffer-to-arraybuffer": "0.0.5",
+				"object-assign": "4.1.1",
+				"query-string": "5.1.1",
+				"simple-get": "2.8.1",
+				"timed-out": "4.0.1",
+				"url-set-query": "1.0.0",
+				"xhr": "2.5.0"
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-			"dev": true,
+		"xhr-request-promise": {
+			"version": "0.1.2",
+			"resolved": "https://registry.npmjs.org/xhr-request-promise/-/xhr-request-promise-0.1.2.tgz",
+			"integrity": "sha1-NDxE0e53JrhkgGloLQ+EDIO0Jh0=",
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-				"decamelize": "^1.2.0"
+				"xhr-request": "1.1.0"
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+		},
+		"xhr2-cookies": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/xhr2-cookies/-/xhr2-cookies-1.1.0.tgz",
+			"integrity": "sha1-fXdEnQmZGX8VXLc7I99yUF7YnUg=",
+			"requires": {
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+		"xtend": {
+			"version": "4.0.1",
+			"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
+			"integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
+		},
+		"yaeti": {
+			"version": "0.0.6",
+			"resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
+			"integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc="
 		}
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 }
diff --git a/packages/web3-shh/package.json b/packages/web3-shh/package.json
index 23abde8f2dc..797b818b2d7 100644
--- a/packages/web3-shh/package.json
+++ b/packages/web3-shh/package.json
@@ -26,7 +26,8 @@
         "web3-utils": "1.0.0-beta.48"
     },
     "devDependencies": {
-        "dtslint": "^0.4.2"
+        "definitelytyped-header-parser": "^1.0.1",
+        "dtslint": "0.4.2"
     },
     "files": [
         "dist",
diff --git a/packages/web3-utils/package-lock.json b/packages/web3-utils/package-lock.json
index 61c1fc958e1..d98aaf9f5d6 100644
--- a/packages/web3-utils/package-lock.json
+++ b/packages/web3-utils/package-lock.json
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 			"requires": {
-				"regenerator-runtime": "^0.12.0"
+				"regenerator-runtime": "0.12.1"
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 		"@types/bn.js": {
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 			"requires": {
-				"@types/node": "*"
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-			"integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+			"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
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@@ -61,79 +49,31 @@
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 			"dev": true,
 			"requires": {
-				"sprintf-js": "~1.0.2"
+				"sprintf-js": "1.0.3"
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-				"esutils": "^2.0.2",
-				"js-tokens": "^3.0.2"
+				"chalk": "1.1.3",
+				"esutils": "2.0.2",
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-					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-					"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
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-					"integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-					"dev": true,
-					"requires": {
-						"ansi-regex": "^2.0.0"
+						"ansi-styles": "2.2.1",
+						"escape-string-regexp": "1.0.5",
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@@ -144,15 +84,6 @@
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 			"dev": true,
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-				"balanced-match": "^1.0.0",
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@@ -184,27 +115,15 @@
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-				"escape-string-regexp": "^1.0.5",
-				"supports-color": "^5.3.0"
+				"ansi-styles": "3.2.1",
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@@ -213,7 +132,7 @@
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 					"dev": true,
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@@ -222,28 +141,11 @@
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 					"dev": true,
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+						"has-flag": "3.0.0"
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-				"query-string": "^5.0.1",
-				"simple-get": "^2.7.0",
-				"timed-out": "^4.0.1",
-				"url-set-query": "^1.0.0",
-				"xhr": "^2.0.4"
+				"buffer-to-arraybuffer": "0.0.5",
+				"object-assign": "4.1.1",
+				"query-string": "5.1.1",
+				"simple-get": "2.8.1",
+				"timed-out": "4.0.1",
+				"url-set-query": "1.0.0",
+				"xhr": "2.5.0"
 			}
 		},
 		"xhr-request-promise": {
@@ -1563,49 +732,13 @@
 			"resolved": "https://registry.npmjs.org/xhr-request-promise/-/xhr-request-promise-0.1.2.tgz",
 			"integrity": "sha1-NDxE0e53JrhkgGloLQ+EDIO0Jh0=",
 			"requires": {
-				"xhr-request": "^1.0.1"
+				"xhr-request": "1.1.0"
 			}
 		},
 		"xtend": {
 			"version": "4.0.1",
 			"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
 			"integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
-		},
-		"y18n": {
-			"version": "4.0.0",
-			"resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
-			"integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
-			"dev": true
-		},
-		"yargs": {
-			"version": "12.0.5",
-			"resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
-			"integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
-			"dev": true,
-			"requires": {
-				"cliui": "^4.0.0",
-				"decamelize": "^1.2.0",
-				"find-up": "^3.0.0",
-				"get-caller-file": "^1.0.1",
-				"os-locale": "^3.0.0",
-				"require-directory": "^2.1.1",
-				"require-main-filename": "^1.0.1",
-				"set-blocking": "^2.0.0",
-				"string-width": "^2.0.0",
-				"which-module": "^2.0.0",
-				"y18n": "^3.2.1 || ^4.0.0",
-				"yargs-parser": "^11.1.1"
-			}
-		},
-		"yargs-parser": {
-			"version": "11.1.1",
-			"resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
-			"integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
-			"dev": true,
-			"requires": {
-				"camelcase": "^5.0.0",
-				"decamelize": "^1.2.0"
-			}
 		}
 	}
 }
diff --git a/packages/web3-utils/package.json b/packages/web3-utils/package.json
index e405693e0e2..f5cf40e1209 100644
--- a/packages/web3-utils/package.json
+++ b/packages/web3-utils/package.json
@@ -29,7 +29,8 @@
     },
     "devDependencies": {
         "crypto-js": "3.1.9-1",
-        "dtslint": "^0.4.2"
+        "definitelytyped-header-parser": "^1.0.1",
+        "dtslint": "0.4.2"
     },
     "files": [
         "dist",
diff --git a/packages/web3-utils/types/index.d.ts b/packages/web3-utils/types/index.d.ts
index a9389c4004d..6f64fa4c148 100644
--- a/packages/web3-utils/types/index.d.ts
+++ b/packages/web3-utils/types/index.d.ts
@@ -119,7 +119,7 @@ export function getUnitValue(unit: Unit): string;
 export function unitMap(): Units;
 export function testAddress(bloom: string, address: string): boolean;
 export function testTopic(bloom: string, topic: string): boolean;
-export function getSignatureParameters(signature: string): object;
+export function getSignatureParameters(signature: string): {r: string; s: string; v: number};
 
 // interfaces
 export interface Utils {
@@ -168,7 +168,7 @@ export interface Utils {
     unitMap(): Units;
     testAddress(bloom: string, address: string): boolean;
     testTopic(bloom: string, topic: string): boolean;
-    getSignatureParameters(signature: string): object;
+    getSignatureParameters(signature: string): {r: string; s: string; v: number};
 }
 
 export interface Units {
@@ -209,7 +209,7 @@ export interface AbiItem {
     constant?: boolean;
     inputs?: AbiInput[];
     name?: string;
-    outputs?: AbiOuput[];
+    outputs?: AbiOutput[];
     payable?: boolean;
     stateMutability?: StateMutabilityType;
     type: AbiType;
@@ -219,9 +219,11 @@ export interface AbiInput {
     name: string;
     type: string;
     indexed?: boolean;
+	components?: AbiInput[];
 }
 
-export interface AbiOuput {
+export interface AbiOutput {
     name: string;
     type: string;
+	components?: AbiOutput[];
 }
diff --git a/packages/web3-utils/types/tests/get-signature-params-test.ts b/packages/web3-utils/types/tests/get-signature-params-test.ts
index d68f1e9f856..65c02aff5cb 100644
--- a/packages/web3-utils/types/tests/get-signature-params-test.ts
+++ b/packages/web3-utils/types/tests/get-signature-params-test.ts
@@ -22,8 +22,10 @@
 
 import {BN, getSignatureParameters} from 'web3-utils';
 
-// $ExpectType object
-getSignatureParameters('0x90dc0e49b5a80eef86fcedcb863dcc727aeae5c11187c001fd3d18780ead2cc7701ba1986099a49164702f3d8b2c8dbbd45a6d1beb37d212d21fb1be4bb762a400');
+// $ExpectType { r: string; s: string; v: number; }
+getSignatureParameters(
+    '0x90dc0e49b5a80eef86fcedcb863dcc727aeae5c11187c001fd3d18780ead2cc7701ba1986099a49164702f3d8b2c8dbbd45a6d1beb37d212d21fb1be4bb762a400'
+);
 // $ExpectError
 getSignatureParameters(345);
 // $ExpectError
diff --git a/packages/web3-utils/types/tests/json-interface-method-to-string-test.ts b/packages/web3-utils/types/tests/json-interface-method-to-string-test.ts
index 7d23b42e88f..649b6609c6a 100644
--- a/packages/web3-utils/types/tests/json-interface-method-to-string-test.ts
+++ b/packages/web3-utils/types/tests/json-interface-method-to-string-test.ts
@@ -23,11 +23,45 @@
 import {jsonInterfaceMethodToString, AbiItem} from 'web3-utils';
 
 const abiItem: AbiItem = {
+    anonymous: false,
     constant: true,
     inputs: [
         {
             name: 'testMe',
             type: 'uint256[3]'
+        },
+        {
+            name: 'inputA',
+            type: 'tuple',
+            components: [
+                {
+                    name: 'a',
+                    type: 'uint8'
+                },
+                {
+                    name: 'b',
+                    type: 'uint8'
+                }
+            ]
+        },
+        {
+            name: 'inputB',
+            type: 'tuple[]',
+            components: [
+                {
+                    name: 'a1',
+                    type: 'uint256'
+                },
+                {
+                    name: 'a2',
+                    type: 'uint256'
+                }
+            ]
+        },
+        {
+            name: 'inputC',
+            type: 'uint8',
+            indexed: false
         }
     ],
     name: "testName",
@@ -35,6 +69,34 @@ const abiItem: AbiItem = {
         {
             name: "test",
             type: "uint256"
+        },
+        {
+            name: 'outputA',
+            type: 'tuple',
+            components: [
+                {
+                    name: 'a',
+                    type: 'uint8'
+                },
+                {
+                    name: 'b',
+                    type: 'uint8'
+                }
+            ]
+        },
+        {
+            name: 'outputB',
+            type: 'tuple[]',
+            components: [
+                {
+                    name: 'a1',
+                    type: 'uint256'
+                },
+                {
+                    name: 'a2',
+                    type: 'uint256'
+                }
+            ]
         }
     ],
     payable: false,
diff --git a/packages/web3/package-lock.json b/packages/web3/package-lock.json
index e7a0ec1f09e..5ab3399296a 100644
--- a/packages/web3/package-lock.json
+++ b/packages/web3/package-lock.json
@@ -9,7 +9,15 @@
 			"resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.3.1.tgz",
 			"integrity": "sha512-7jGW8ppV0ant637pIqAcFfQDDH1orEPGJb8aXfUozuCU3QqX7rX4DA8iwrbPrR1hcH0FTTHz47yQnk+bl5xHQA==",
 			"requires": {
-				"regenerator-runtime": "^0.12.0"
+				"regenerator-runtime": "0.12.1"
+			}
+		},
+		"@types/bn.js": {
+			"version": "4.11.4",
+			"resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.4.tgz",
+			"integrity": "sha512-AO8WW+aRcKWKQAYTfKLzwnpL6U+TfPqS+haRrhCy5ff04Da8WZud3ZgVjspQXaEXJDcTlsjUEVvL39wegDek5w==",
+			"requires": {
+				"@types/node": "10.12.18"
 			}
 		},
 		"@types/node": {
@@ -23,22 +31,35 @@
 			"integrity": "sha512-bsTIJFVQv7jnvNiC42ld2pQW2KRI+pAG243L+iATvqzy3X6+NH1obz2itRKDZZ8VVhN3wjwYax/VBGCcXzgTqQ==",
 			"dev": true
 		},
+		"accepts": {
+			"version": "1.3.5",
+			"resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
+			"integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
+			"requires": {
+				"mime-types": "2.1.22",
+				"negotiator": "0.6.1"
+			}
+		},
+		"aes-js": {
+			"version": "3.0.0",
+			"resolved": "https://registry.npmjs.org/aes-js/-/aes-js-3.0.0.tgz",
+			"integrity": "sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0="
+		},
 		"ajv": {
 			"version": "6.10.0",
 			"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
 			"integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
-			"dev": true,
 			"requires": {
-				"fast-deep-equal": "^2.0.1",
-				"fast-json-stable-stringify": "^2.0.0",
-				"json-schema-traverse": "^0.4.1",
-				"uri-js": "^4.2.2"
+				"fast-deep-equal": "2.0.1",
+				"fast-json-stable-stringify": "2.0.0",
+				"json-schema-traverse": "0.4.1",
+				"uri-js": "4.2.2"
 			}
 		},
 		"ansi-regex": {
-			"version": "3.0.0",
-			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-			"integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+			"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
 			"dev": true
 		},
 		"ansi-styles": {
@@ -53,41 +74,56 @@
 			"integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
 			"dev": true,
 			"requires": {
-				"sprintf-js": "~1.0.2"
+				"sprintf-js": "1.0.3"
 			}
 		},
+		"array-flatten": {
+			"version": "1.1.1",
+			"resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+			"integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
+		},
 		"asn1": {
 			"version": "0.2.4",
 			"resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
 			"integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
-			"dev": true,
 			"requires": {
-				"safer-buffer": "~2.1.0"
+				"safer-buffer": "2.1.2"
+			}
+		},
+		"asn1.js": {
+			"version": "4.10.1",
+			"resolved": "https://registry.npmjs.org/asn1.js/-/asn1.js-4.10.1.tgz",
+			"integrity": "sha512-p32cOF5q0Zqs9uBiONKYLm6BClCoBCM5O9JfeUSlnQLBTxYdTK+pW+nXflm8UkKd2UYlEbYz5qEi0JuZR9ckSw==",
+			"requires": {
+				"bn.js": "4.11.8",
+				"inherits": "2.0.3",
+				"minimalistic-assert": "1.0.1"
 			}
 		},
 		"assert-plus": {
 			"version": "1.0.0",
 			"resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-			"integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-			"dev": true
+			"integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
+		},
+		"async-limiter": {
+			"version": "1.0.0",
+			"resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
+			"integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg=="
 		},
 		"asynckit": {
 			"version": "0.4.0",
 			"resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
-			"integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
-			"dev": true
+			"integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
 		},
 		"aws-sign2": {
 			"version": "0.7.0",
 			"resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
-			"integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
-			"dev": true
+			"integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg="
 		},
 		"aws4": {
 			"version": "1.8.0",
 			"resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
-			"integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==",
-			"dev": true
+			"integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ=="
 		},
 		"babel-code-frame": {
 			"version": "6.26.0",
@@ -95,37 +131,22 @@
 			"integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
 			"dev": true,
 			"requires": {
-				"chalk": "^1.1.3",
-				"esutils": "^2.0.2",
-				"js-tokens": "^3.0.2"
+				"chalk": "1.1.3",
+				"esutils": "2.0.2",
+				"js-tokens": "3.0.2"
 			},
 			"dependencies": {
-				"ansi-regex": {
-					"version": "2.1.1",
-					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-					"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-					"dev": true
-				},
 				"chalk": {
 					"version": "1.1.3",
 					"resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
 					"integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
 					"dev": true,
 					"requires": {
-						"ansi-styles": "^2.2.1",
-						"escape-string-regexp": "^1.0.2",
-						"has-ansi": "^2.0.0",
-						"strip-ansi": "^3.0.0",
-						"supports-color": "^2.0.0"
-					}
-				},
-				"strip-ansi": {
-					"version": "3.0.1",
-					"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-					"integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-					"dev": true,
-					"requires": {
-						"ansi-regex": "^2.0.0"
+						"ansi-styles": "2.2.1",
+						"escape-string-regexp": "1.0.5",
+						"has-ansi": "2.0.0",
+						"strip-ansi": "3.0.1",
+						"supports-color": "2.0.0"
 					}
 				}
 			}
@@ -136,13 +157,53 @@
 			"integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
 			"dev": true
 		},
+		"base64-js": {
+			"version": "1.3.0",
+			"resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.0.tgz",
+			"integrity": "sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw=="
+		},
 		"bcrypt-pbkdf": {
 			"version": "1.0.2",
 			"resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
 			"integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
-			"dev": true,
 			"requires": {
-				"tweetnacl": "^0.14.3"
+				"tweetnacl": "0.14.5"
+			}
+		},
+		"bl": {
+			"version": "1.2.2",
+			"resolved": "https://registry.npmjs.org/bl/-/bl-1.2.2.tgz",
+			"integrity": "sha512-e8tQYnZodmebYDWGH7KMRvtzKXaJHx3BbilrgZCfvyLUYdKpK1t5PSPmpkny/SgiTSCnjfLW7v5rlONXVFkQEA==",
+			"requires": {
+				"readable-stream": "2.3.6",
+				"safe-buffer": "5.1.2"
+			}
+		},
+		"bluebird": {
+			"version": "3.5.3",
+			"resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.3.tgz",
+			"integrity": "sha512-/qKPUQlaW1OyR51WeCPBvRnAlnZFUJkCSG5HzGnuIqhgyJtF+T94lFnn33eiazjRm2LAHVy2guNnaq48X9SJuw=="
+		},
+		"bn.js": {
+			"version": "4.11.8",
+			"resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+			"integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA=="
+		},
+		"body-parser": {
+			"version": "1.18.3",
+			"resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.3.tgz",
+			"integrity": "sha1-WykhmP/dVTs6DyDe0FkrlWlVyLQ=",
+			"requires": {
+				"bytes": "3.0.0",
+				"content-type": "1.0.4",
+				"debug": "2.6.9",
+				"depd": "1.1.2",
+				"http-errors": "1.6.3",
+				"iconv-lite": "0.4.23",
+				"on-finished": "2.3.0",
+				"qs": "6.5.2",
+				"raw-body": "2.3.3",
+				"type-is": "1.6.16"
 			}
 		},
 		"brace-expansion": {
@@ -151,27 +212,139 @@
 			"integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
 			"dev": true,
 			"requires": {
-				"balanced-match": "^1.0.0",
+				"balanced-match": "1.0.0",
 				"concat-map": "0.0.1"
 			}
 		},
+		"brorand": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/brorand/-/brorand-1.1.0.tgz",
+			"integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8="
+		},
+		"browserify-aes": {
+			"version": "1.2.0",
+			"resolved": "https://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz",
+			"integrity": "sha512-+7CHXqGuspUn/Sl5aO7Ea0xWGAtETPXNSAjHo48JfLdPWcMng33Xe4znFvQweqc/uzk5zSOI3H52CYnjCfb5hA==",
+			"requires": {
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+				"websocket": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+				"xhr2-cookies": "1.1.0"
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+			"integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc="
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+		"yauzl": {
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+			"integrity": "sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=",
 			"requires": {
-				"camelcase": "^5.0.0",
-				"decamelize": "^1.2.0"
+				"buffer-crc32": "0.2.13",
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diff --git a/packages/web3/package.json b/packages/web3/package.json
index c18073a7527..9133c77bea0 100644
--- a/packages/web3/package.json
+++ b/packages/web3/package.json
@@ -71,7 +71,8 @@
         "web3-utils": "1.0.0-beta.48"
     },
     "devDependencies": {
-        "dtslint": "^0.4.2"
+        "definitelytyped-header-parser": "^1.0.1",
+        "dtslint": "0.4.2"
     },
     "files": [
         "dist",