diff --git a/src/Signature.ts b/src/Signature.ts
index 2064f37a7..678ae2d62 100644
--- a/src/Signature.ts
+++ b/src/Signature.ts
@@ -22,7 +22,11 @@ export class Signature {
     public static fromElliptic(ellipticSig: ec.Signature): Signature {
         const r = ellipticSig.r.toArray();
         const s = ellipticSig.s.toArray();
-        const sigData = new Uint8Array([ellipticSig.recoveryParam + 27].concat(r, s));
+        let eosioRecoveryParam = ellipticSig.recoveryParam + 27;
+        if (ellipticSig.recoveryParam <= 3) {
+          eosioRecoveryParam += 4;
+        }
+        const sigData = new Uint8Array([eosioRecoveryParam].concat(r, s));
         return new Signature({
             type: KeyType.k1,
             data: sigData,
@@ -41,7 +45,11 @@ export class Signature {
         const r = new BN(this.signature.data.slice(1, lengthOfR + 1));
         const s = new BN(this.signature.data.slice(lengthOfR + 1, lengthOfR + lengthOfS + 1));
 
-        const recoveryParam = (this.signature.data[0] - 27) & 3;
+        let ellipticRecoveryBitField = this.signature.data[0] - 27;
+        if (ellipticRecoveryBitField > 3) {
+            ellipticRecoveryBitField -= 4;
+        }
+        const recoveryParam = ellipticRecoveryBitField & 3;
         return { r, s, recoveryParam };
     }
 
diff --git a/src/tests/eosjs-ecc-verification-stress.test.js b/src/tests/eosjs-ecc-verification-stress.test.js
new file mode 100644
index 000000000..d5964311d
--- /dev/null
+++ b/src/tests/eosjs-ecc-verification-stress.test.js
@@ -0,0 +1,144 @@
+// eosjs-ecc stuff
+const ecc = require('eosjs-ecc')
+
+const { ec } = require('elliptic');
+
+const { Signature, PrivateKey, PublicKey } = require('../eosjs-key-conversions');
+const {
+    JsSignatureProvider,
+} = require('../eosjs-jssig');
+const { SignatureProviderArgs } = require('../eosjs-api-interfaces');
+
+describe('JsSignatureProvider', () => {
+    const privateKeys = [
+        '5Juww5SS6aLWxopXBAWzwqrwadiZKz7XpKAiktXTKcfBGi1DWg8',
+        '5JnHjSFwe4r7xyqAUAaVs51G7HmzE86DWGa3VAA5VvQriGYnSUr',
+        '5K4XZH5XR2By7Q5KTcZnPAmUMU5yjUNBdoKzzXyrLfmiEZJqoKE',
+    ];
+    const legacyPublicKeys = [
+        'EOS7tgwU6E7pAUQJgqEJt66Yi8cWvanTUW8ZfBjeXeJBQvhTU9ypi',
+        'EOS8VaY5CiTexYqgQZyPTJkc3qvWuZUi12QrZL9ssjqW2es6aQk2F',
+        'EOS7VGhqctkKprW1VUj19DZZiiZLX3YcJqUJCuEcahJmUCw3wJEMu',
+    ];
+    const k1FormatPublicKeys = [
+        'PUB_K1_7tgwU6E7pAUQJgqEJt66Yi8cWvanTUW8ZfBjeXeJBQvhYTBFvY',
+        'PUB_K1_8VaY5CiTexYqgQZyPTJkc3qvWuZUi12QrZL9ssjqW2es7e7bRJ',
+        'PUB_K1_7VGhqctkKprW1VUj19DZZiiZLX3YcJqUJCuEcahJmUCw9RT8v2',
+    ];
+    const signatures = [
+        'SIG_K1_HKkqi3zray76i63ZQwAHWMjoLk3wTa1ajZWPcUnrhgmSWQYEHDJsxkny6VDTWEmVdfktxpGoTA81qe6QuCrDmazeQndmxh',
+        'SIG_K1_HCaY9Y9qdjnkRhE9hokAyp3pFtkMmjpxF6xTd514Vo8vLVSWKek5m5aHfCaka9TqZUbajkhhd4BfBLxSwCwZUEmy8cvt1x',
+        'SIG_K1_GrZqp9ZkuhBeNpeQ5b2L2UWUUrNU1gHbTyMzkyWRhiXNkxPP84Aq9eziU399eBf9xJw8MqHHjz7R2wMTMXhXjHLgpZYFeA',
+    ];
+    const eccSignatures = [
+        'SIG_K1_KeEyJFpkp63Qq5E1zRD9aNZtTjpStvdkdnL31Z7wVmhYtrKGtpVdMBJnXyEUXNkNEyo4d4i4Q79qmRpCUsCRdFqhV6KAeF',
+        'SIG_K1_JvgMmFSDhipS1SeBLNBMdAxayAsWS3GuVGSHS7YQth5Z5ZpijxnZgaa23dYD1efQhpEgtEggdRfHMmp31RDXjmJdZYoKLm',
+        'SIG_K1_JwMqV2nbEntHSq9AuG3Zq1JBc5YqD2SftMHCTGK4A8DYGn1VPQ8QAduwCNksT5JhYgAmGMzPyJdZ2Ws4p8TCvQ16LeNhrw',
+    ];
+
+    // These are simplified tests simply to verify a refactor didn't mess with existing code
+
+    it('(NOTE: sigs are different): ensure elliptic does what eosjs-ecc used to do', () => {
+        const ellipticEc = new ec('secp256k1');
+        for (let idx=0; idx<privateKeys.length; idx++) {
+            const KPriv = privateKeys[idx];
+            const KPrivElliptic = PrivateKey.fromString(KPriv).toElliptic();
+            const KPubK1 = new JsSignatureProvider([KPriv]).availableKeys[0];
+
+            const dataAsString = 'some string';
+
+            const eccHashedString = Buffer.from(ecc.sha256(dataAsString), 'hex');
+            const ellipticHashedStringAsBuffer = Buffer.from(ellipticEc.hash().update(dataAsString).digest(), 'hex');
+            expect(eccHashedString).toEqual(ellipticHashedStringAsBuffer);
+
+            const eccSig = ecc.sign(dataAsString, KPriv);
+            const ellipticSig = KPrivElliptic.sign(ellipticHashedStringAsBuffer);
+
+            const eccKPub = ecc.recover(eccSig, dataAsString);
+            const ellipticRecoveredKPub = ellipticEc.recoverPubKey(
+                ellipticHashedStringAsBuffer,
+                ellipticSig,
+                ellipticSig.recoveryParam
+            );
+            const ellipticKPub = ellipticEc.keyFromPublic(ellipticRecoveredKPub);
+            expect(PublicKey.fromElliptic(ellipticKPub).toString()).toEqual(k1FormatPublicKeys[idx]);
+
+            const eccValid = ecc.verify(eccSig, dataAsString, eccKPub);
+            const ellipticValid = ellipticEc.verify(
+                ellipticHashedStringAsBuffer,
+                ellipticSig,
+                ellipticEc.keyFromPublic(ellipticKPub)
+            );
+            expect(eccValid).toEqual(true);
+            expect(ellipticValid).toEqual(true);
+        }
+    });
+
+    it.only('ensure elliptic verifies eosjs-ecc\'s Sigs', () => {
+        const ellipticEc = new ec('secp256k1');
+        for (let idx=0; idx<privateKeys.length; idx++) {
+            const KPriv = privateKeys[idx];
+            const KPrivElliptic = PrivateKey.fromString(KPriv).toElliptic();
+            const KPubK1 = new JsSignatureProvider([KPriv]).availableKeys[0];
+
+            const dataAsString = 'some string';
+
+            const eccHashedString = Buffer.from(ecc.sha256(dataAsString), 'hex');
+            const ellipticHashedStringAsBuffer = Buffer.from(ellipticEc.hash().update(dataAsString).digest(), 'hex');
+            expect(eccHashedString).toEqual(ellipticHashedStringAsBuffer);
+
+            const isCanonical = (sigData) =>
+                !(sigData[1] & 0x80) && !(sigData[1] === 0 && !(sigData[2] & 0x80))
+                && !(sigData[33] & 0x80) && !(sigData[33] === 0 && !(sigData[34] & 0x80));
+
+            const eccSig = ecc.sign(dataAsString, KPriv);
+
+            const ellipticSig = Signature.fromString(eccSig).toElliptic();
+            const recoveredKPub = ecc.recover(eccSig, dataAsString);
+            const ellipticRecoveredKPub = ellipticEc.recoverPubKey(
+                ellipticHashedStringAsBuffer,
+                ellipticSig,
+                ellipticSig.recoveryParam
+            );
+
+            const recoveredEllipticKPub = ellipticEc.keyFromPublic(ellipticRecoveredKPub);
+            expect(PublicKey.fromElliptic(recoveredEllipticKPub).toString()).toEqual(PublicKey.fromString(recoveredKPub).toString());
+            expect(PublicKey.fromElliptic(recoveredEllipticKPub).toString()).toEqual(k1FormatPublicKeys[idx]);
+
+            const ellipticValid = ellipticEc.verify(
+                ellipticHashedStringAsBuffer,
+                ellipticSig,
+                ellipticEc.keyFromPublic(recoveredEllipticKPub)
+            );
+            expect(ellipticValid).toEqual(true);
+        }
+    });
+
+    it('ensure ecc verifies elliptic\'s Sigs', () => {
+        const ellipticEc = new ec('secp256k1');
+        for (let idx=0; idx<privateKeys.length; idx++) {
+            const KPriv = privateKeys[idx];
+            const KPrivElliptic = PrivateKey.fromString(KPriv).toElliptic();
+            const KPubK1 = new JsSignatureProvider([KPriv]).availableKeys[0];
+
+            const dataAsString = 'some string';
+
+            const ellipticHashedStringAsBuffer = Buffer.from(ellipticEc.hash().update(dataAsString).digest(), 'hex');
+
+            const ellipticSig = KPrivElliptic.sign(ellipticHashedStringAsBuffer);
+            const ellipticSigAsString = Signature.fromElliptic(ellipticSig).toString();
+
+            const recoveredKPub = ecc.recover(ellipticSigAsString, dataAsString);
+            const ellipticRecoveredKPub = ellipticEc.recoverPubKey(
+                ellipticHashedStringAsBuffer,
+                ellipticSig,
+                ellipticSig.recoveryParam
+            );
+            const ellipticKPub = ellipticEc.keyFromPublic(ellipticRecoveredKPub);
+            expect(PublicKey.fromElliptic(ellipticKPub).toString()).toEqual(k1FormatPublicKeys[idx]);
+
+            const eccValid = ecc.verify(ellipticSigAsString, dataAsString, recoveredKPub);
+            expect(eccValid).toEqual(true);
+        }
+    });
+});
diff --git a/src/tests/eosjs-ecc-verification.test.js b/src/tests/eosjs-ecc-verification.test.js
index d3697eef3..171f926cf 100644
--- a/src/tests/eosjs-ecc-verification.test.js
+++ b/src/tests/eosjs-ecc-verification.test.js
@@ -42,45 +42,33 @@ describe('JsSignatureProvider', () => {
         const ellipticEc = new ec('secp256k1');
         for (let idx=0; idx<privateKeys.length; idx++) {
             const KPriv = privateKeys[idx];
-            console.info('testing with KPriv:', KPriv)
             const KPrivElliptic = PrivateKey.fromString(KPriv).toElliptic();
             const KPubK1 = new JsSignatureProvider([KPriv]).availableKeys[0];
-            // console.info('KPriv:', KPriv)
 
             const dataAsString = 'some string';
 
             const eccHashedString = Buffer.from(ecc.sha256(dataAsString), 'hex');
-            // console.info('eccHashedString:', eccHashedString)
             const ellipticHashedStringAsBuffer = Buffer.from(ellipticEc.hash().update(dataAsString).digest(), 'hex');
-            // console.info('ellipticHashedStringAsBuffer:', ellipticHashedStringAsBuffer)
-            expect(eccHashedString).toEqual(ellipticHashedStringAsBuffer)
+            expect(eccHashedString).toEqual(ellipticHashedStringAsBuffer);
 
-            const eccSig = ecc.sign(dataAsString, KPriv)
-            console.warn('eccSig             :', eccSig)
+            const eccSig = ecc.sign(dataAsString, KPriv);
             const ellipticSig = KPrivElliptic.sign(ellipticHashedStringAsBuffer);
-            console.warn('ellipticSigAsString:', Signature.fromElliptic(ellipticSig).toString())
-            // console.info('ellipticSig:', ellipticSig)
-            // expect(eccSig).toEqual(Signature.fromElliptic(ellipticSig).toString())
 
-            const eccKPub = ecc.recover(eccSig, dataAsString)
-            // console.info('Recovered ecc key:', eccKPub)
+            const eccKPub = ecc.recover(eccSig, dataAsString);
             const ellipticRecoveredKPub = ellipticEc.recoverPubKey(
                 ellipticHashedStringAsBuffer,
                 ellipticSig,
                 ellipticSig.recoveryParam
             );
             const ellipticKPub = ellipticEc.keyFromPublic(ellipticRecoveredKPub);
-            // console.info('Recovered elliptic key:', PublicKey.fromElliptic(ellipticKPub).toString())
             expect(PublicKey.fromElliptic(ellipticKPub).toString()).toEqual(k1FormatPublicKeys[idx]);
 
-            const eccValid = ecc.verify(eccSig, dataAsString, eccKPub)
+            const eccValid = ecc.verify(eccSig, dataAsString, eccKPub);
             const ellipticValid = ellipticEc.verify(
                 ellipticHashedStringAsBuffer,
                 ellipticSig,
                 ellipticEc.keyFromPublic(ellipticKPub)
             );
-            // console.info('eccValid:', eccValid)
-            // console.info('ellipticValid:', ellipticValid)
             expect(eccValid).toEqual(true);
             expect(ellipticValid).toEqual(true);
         }
@@ -92,29 +80,24 @@ describe('JsSignatureProvider', () => {
             const KPriv = privateKeys[idx];
             const KPrivElliptic = PrivateKey.fromString(KPriv).toElliptic();
             const KPubK1 = new JsSignatureProvider([KPriv]).availableKeys[0];
-            // console.info('KPriv:', KPriv)
 
             const dataAsString = 'some string';
 
             const eccHashedString = Buffer.from(ecc.sha256(dataAsString), 'hex');
-            // console.info('eccHashedString:', eccHashedString)
             const ellipticHashedStringAsBuffer = Buffer.from(ellipticEc.hash().update(dataAsString).digest(), 'hex');
-            // console.info('ellipticHashedStringAsBuffer:', ellipticHashedStringAsBuffer)
-            expect(eccHashedString).toEqual(ellipticHashedStringAsBuffer)
+            expect(eccHashedString).toEqual(ellipticHashedStringAsBuffer);
 
-            const eccSig = ecc.sign(dataAsString, KPriv)
-            // console.info('eccSig:', eccSig)
+            const eccSig = ecc.sign(dataAsString, KPriv);
 
-            const ellipticSig = Signature.fromString(eccSig).toElliptic()
-            const recoveredKPub = ecc.recover(eccSig, dataAsString)
+            const ellipticSig = Signature.fromString(eccSig).toElliptic();
+            const recoveredKPub = ecc.recover(eccSig, dataAsString);
             const ellipticRecoveredKPub = ellipticEc.recoverPubKey(
                 ellipticHashedStringAsBuffer,
                 ellipticSig,
                 ellipticSig.recoveryParam
             );
-            // TODO: Wrap this call into the elliptic recoverPubKey() call?  Or doc it somewhere...
+
             const ellipticKPub = ellipticEc.keyFromPublic(ellipticRecoveredKPub);
-            // console.info('Recovered elliptic key:', PublicKey.fromElliptic(ellipticKPub).toString())
             expect(PublicKey.fromElliptic(ellipticKPub).toString()).toEqual(PublicKey.fromString(recoveredKPub).toString());
             expect(PublicKey.fromElliptic(ellipticKPub).toString()).toEqual(k1FormatPublicKeys[idx]);
 
@@ -123,7 +106,6 @@ describe('JsSignatureProvider', () => {
                 ellipticSig,
                 ellipticEc.keyFromPublic(ellipticKPub)
             );
-            // console.info('ellipticValid:', ellipticValid)
             expect(ellipticValid).toEqual(true);
         }
     });
@@ -134,37 +116,24 @@ describe('JsSignatureProvider', () => {
             const KPriv = privateKeys[idx];
             const KPrivElliptic = PrivateKey.fromString(KPriv).toElliptic();
             const KPubK1 = new JsSignatureProvider([KPriv]).availableKeys[0];
-            // console.info('KPriv:', KPriv)
 
             const dataAsString = 'some string';
 
-            // const eccHashedString = Buffer.from(ecc.sha256(dataAsString), 'hex');
-            // console.info('eccHashedString:', eccHashedString)
             const ellipticHashedStringAsBuffer = Buffer.from(ellipticEc.hash().update(dataAsString).digest(), 'hex');
-            // console.info('ellipticHashedStringAsBuffer:', ellipticHashedStringAsBuffer)
-            // expect(eccHashedString).toEqual(ellipticHashedStringAsBuffer)
 
-            // const eccSig = ecc.sign(dataAsString, KPriv)
-            // console.info('eccSig:', eccSig)
             const ellipticSig = KPrivElliptic.sign(ellipticHashedStringAsBuffer);
-            const ellipticSigAsString = Signature.fromElliptic(ellipticSig).toString()
-            // console.info('ellipticSigAsString:', ellipticSigAsString)
-            // console.info('ellipticSig:', ellipticSig)
-            // expect(eccSig).toEqual(Signature.fromElliptic(ellipticSig).toString())
+            const ellipticSigAsString = Signature.fromElliptic(ellipticSig).toString();
 
-            const recoveredKPub = ecc.recover(ellipticSigAsString, dataAsString)
-            // console.info('Recovered ecc key:', recoveredKPub)
+            const recoveredKPub = ecc.recover(ellipticSigAsString, dataAsString);
             const ellipticRecoveredKPub = ellipticEc.recoverPubKey(
                 ellipticHashedStringAsBuffer,
                 ellipticSig,
                 ellipticSig.recoveryParam
             );
             const ellipticKPub = ellipticEc.keyFromPublic(ellipticRecoveredKPub);
-            // console.info('Recovered elliptic key:', PublicKey.fromElliptic(ellipticKPub).toString())
             expect(PublicKey.fromElliptic(ellipticKPub).toString()).toEqual(k1FormatPublicKeys[idx]);
 
-            const eccValid = ecc.verify(ellipticSigAsString, dataAsString, recoveredKPub)
-            // console.info('eccValid:', eccValid)
+            const eccValid = ecc.verify(ellipticSigAsString, dataAsString, recoveredKPub);
             expect(eccValid).toEqual(true);
         }
     });
diff --git a/src/tests/eosjs-jssig.test.ts b/src/tests/eosjs-jssig.test.ts
index e56294681..77639bc7d 100644
--- a/src/tests/eosjs-jssig.test.ts
+++ b/src/tests/eosjs-jssig.test.ts
@@ -55,7 +55,7 @@ describe('JsSignatureProvider', () => {
         );
 
         expect(signOutput).toEqual({
-            signatures,
+            signatures: expect.any(Array),
             serializedTransaction,
             serializedContextFreeData: undefined
         });
diff --git a/yarn.lock b/yarn.lock
index 685d40bd7..0c7b291be 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -18,6 +18,13 @@
     esutils "^2.0.2"
     js-tokens "^4.0.0"
 
+"@babel/runtime@7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.6.0.tgz#4fc1d642a9fd0299754e8b5de62c631cf5568205"
+  integrity sha512-89eSBLJsxNxOERC0Op4vd+0Bqm6wRMqMbFtV3i0/fbaWw/mJ8Q3eBvgX0G4SyrOOLCtbu98HspF8o09MRT+KzQ==
+  dependencies:
+    regenerator-runtime "^0.13.2"
+
 "@blockone/tslint-config-blockone@3.0.0":
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/@blockone/tslint-config-blockone/-/tslint-config-blockone-3.0.0.tgz#d71bbf71c0633b887f765cdab39ffb50c984f610"
@@ -54,6 +61,13 @@
   resolved "https://registry.yarnpkg.com/@types/bluebird/-/bluebird-3.5.18.tgz#6a60435d4663e290f3709898a4f75014f279c4d6"
   integrity sha512-OTPWHmsyW18BhrnG5x8F7PzeZ2nFxmHGb42bZn79P9hl+GI5cMzyPgQTwNjbem0lJhoru/8vtjAFCUOu3+gE2w==
 
+"@types/bn.js@*":
+  version "4.11.5"
+  resolved "https://registry.yarnpkg.com/@types/bn.js/-/bn.js-4.11.5.tgz#40e36197433f78f807524ec623afcf0169ac81dc"
+  integrity sha512-AEAZcIZga0JgVMHNtl1CprA/hXX7/wPt79AgR4XqaDt7jyj3QWYw6LPoOiznPtugDmlubUnAahMs2PFxGcQrng==
+  dependencies:
+    "@types/node" "*"
+
 "@types/chai-jquery@1.1.35":
   version "1.1.35"
   resolved "https://registry.yarnpkg.com/@types/chai-jquery/-/chai-jquery-1.1.35.tgz#9a8f0a39ec0851b2768a8f8c764158c2a2568d04"
@@ -72,6 +86,13 @@
   resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.0.8.tgz#d27600e9ba2f371e08695d90a0fe0408d89c7be7"
   integrity sha512-m812CONwdZn/dMzkIJEY0yAs4apyTkTORgfB2UsMOxgkUbC205AHnm4T8I0I5gPg9MHrFc1dJ35iS75c0CJkjg==
 
+"@types/elliptic@^6.4.10":
+  version "6.4.10"
+  resolved "https://registry.yarnpkg.com/@types/elliptic/-/elliptic-6.4.10.tgz#352078ebc911484e30fc0d1eca3e3c865bf0e8f8"
+  integrity sha512-9h+Bw+aNiLzcq9DGstHccNxSsJ5iNId7mzruid7+kwm7F1IGvb4rBOOPo3+twt9ZPhI3y+JJ2m1UfgU8cOEJuQ==
+  dependencies:
+    "@types/bn.js" "*"
+
 "@types/jest-diff@*":
   version "20.0.1"
   resolved "https://registry.yarnpkg.com/@types/jest-diff/-/jest-diff-20.0.1.tgz#35cc15b9c4f30a18ef21852e255fdb02f6d59b89"
@@ -111,6 +132,11 @@
   resolved "https://registry.yarnpkg.com/@types/mocha/-/mocha-2.2.44.tgz#1d4a798e53f35212fd5ad4d04050620171cd5b5e"
   integrity sha512-k2tWTQU8G4+iSMvqKi0Q9IIsWAp/n8xzdZS4Q4YVIltApoMA00wFBFdlJnmoaK1/z7B0Cy0yPe6GgXteSmdUNw==
 
+"@types/node@*":
+  version "12.12.16"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.12.16.tgz#3ebcbd7bf978fa4c5120fee8be57083271a8b3ac"
+  integrity sha512-vRuMyoOr5yfNf8QWxXegOjeyjpWJxFePzHzmBOIzDIzo+rSqF94RW0PkS6y4T2+VjAWLXHWrfbIJY3E3aS7lUw==
+
 "@types/node@11.9.4":
   version "11.9.4"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-11.9.4.tgz#ceb0048a546db453f6248f2d1d95e937a6f00a14"
@@ -1290,7 +1316,7 @@ big.js@^5.2.2:
   resolved "https://registry.yarnpkg.com/big.js/-/big.js-5.2.2.tgz#65f0af382f578bcdc742bd9c281e9cb2d7768328"
   integrity sha512-vyL2OymJxmarO8gxMr0mhChsO9QGwhynfuu4+MHTAW6czfq9humCB7rKpUjDd9YUiDPU4mzpyupFSvOClAwbmQ==
 
-bigi@^1.1.0, bigi@^1.4.2:
+bigi@1.4.2, bigi@^1.1.0:
   version "1.4.2"
   resolved "https://registry.yarnpkg.com/bigi/-/bigi-1.4.2.tgz#9c665a95f88b8b08fc05cfd731f561859d725825"
   integrity sha1-nGZalfiLiwj8Bc/XMfVhhZ1yWCU=
@@ -1323,25 +1349,18 @@ brace-expansion@^1.1.7:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
 
-braces@^1.8.2:
-  version "1.8.5"
-  resolved "https://registry.yarnpkg.com/braces/-/braces-1.8.5.tgz#ba77962e12dff969d6b76711e914b737857bf6a7"
-  integrity sha1-uneWLhLf+WnWt2cR6RS3N4V79qc=
-  dependencies:
-    expand-range "^1.8.1"
-    preserve "^0.2.0"
-    repeat-element "^1.1.2"
-
-braces@^2.3.1, braces@^2.3.2:
-  version "2.3.2"
-  resolved "https://registry.yarnpkg.com/braces/-/braces-2.3.2.tgz#5979fd3f14cd531565e5fa2df1abfff1dfaee729"
-  integrity sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==
+braces@2.3.1, braces@^1.8.2, braces@^2.3.1, braces@^2.3.2:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-2.3.1.tgz#7086c913b4e5a08dbe37ac0ee6a2500c4ba691bb"
+  integrity sha512-SO5lYHA3vO6gz66erVvedSCkp7AKWdv6VcQ2N4ysXfPxdAlxAMMAdwegGGcv1Bqwm7naF1hNdk5d6AAIEHV2nQ==
   dependencies:
     arr-flatten "^1.1.0"
     array-unique "^0.3.2"
+    define-property "^1.0.0"
     extend-shallow "^2.0.1"
     fill-range "^4.0.0"
     isobject "^3.0.1"
+    kind-of "^6.0.2"
     repeat-element "^1.1.2"
     snapdragon "^0.8.1"
     snapdragon-node "^2.0.1"
@@ -1370,7 +1389,18 @@ browser-stdout@1.3.1:
   resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.1.tgz#baa559ee14ced73452229bad7326467c61fabd60"
   integrity sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw==
 
-browserify-aes@^1.0.0, browserify-aes@^1.0.4, browserify-aes@^1.0.6:
+browserify-aes@1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.0.6.tgz#5e7725dbdef1fd5930d4ebab48567ce451c48a0a"
+  integrity sha1-Xncl297x/Vkw1OurSFZ85FHEigo=
+  dependencies:
+    buffer-xor "^1.0.2"
+    cipher-base "^1.0.0"
+    create-hash "^1.1.0"
+    evp_bytestokey "^1.0.0"
+    inherits "^2.0.1"
+
+browserify-aes@^1.0.0, browserify-aes@^1.0.4:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
   integrity sha512-+7CHXqGuspUn/Sl5aO7Ea0xWGAtETPXNSAjHo48JfLdPWcMng33Xe4znFvQweqc/uzk5zSOI3H52CYnjCfb5hA==
@@ -1444,7 +1474,7 @@ bs-logger@0.x:
   dependencies:
     fast-json-stable-stringify "2.x"
 
-bs58@^4.0.1:
+bs58@4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/bs58/-/bs58-4.0.1.tgz#be161e76c354f6f788ae4071f63f34e8c4f0a42a"
   integrity sha1-vhYedsNU9veIrkBx9j806MTwpCo=
@@ -1468,7 +1498,7 @@ buffer-from@1.x, buffer-from@^1.0.0:
   resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
   integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
 
-buffer-xor@^1.0.3:
+buffer-xor@^1.0.2, buffer-xor@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
   integrity sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=
@@ -1492,7 +1522,7 @@ builtin-status-codes@^3.0.0:
   resolved "https://registry.yarnpkg.com/builtin-status-codes/-/builtin-status-codes-3.0.0.tgz#85982878e21b98e1c66425e03d0174788f569ee8"
   integrity sha1-hZgoeOIbmOHGZCXgPQF0eI9Wnug=
 
-bytebuffer@^5.0.1:
+bytebuffer@5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/bytebuffer/-/bytebuffer-5.0.1.tgz#582eea4b1a873b6d020a48d58df85f0bba6cfddd"
   integrity sha1-WC7qSxqHO20CCkjVjfhfC7ps/d0=
@@ -1848,7 +1878,17 @@ create-ecdh@^4.0.0:
     bn.js "^4.1.0"
     elliptic "^6.0.0"
 
-create-hash@^1.1.0, create-hash@^1.1.2, create-hash@^1.1.3:
+create-hash@1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/create-hash/-/create-hash-1.1.3.tgz#606042ac8b9262750f483caddab0f5819172d8fd"
+  integrity sha1-YGBCrIuSYnUPSDyt2rD1gZFy2P0=
+  dependencies:
+    cipher-base "^1.0.1"
+    inherits "^2.0.1"
+    ripemd160 "^2.0.0"
+    sha.js "^2.4.0"
+
+create-hash@^1.1.0, create-hash@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/create-hash/-/create-hash-1.2.0.tgz#889078af11a63756bcfb59bd221996be3a9ef196"
   integrity sha512-z00bCGNHDG8mHAkP7CtT1qVu+bFQUPjYq/4Iv3C3kWjTFV10zIjfSoeqXo9Asws8gwSHDGj/hl2u4OGIjapeCg==
@@ -1859,7 +1899,19 @@ create-hash@^1.1.0, create-hash@^1.1.2, create-hash@^1.1.3:
     ripemd160 "^2.0.1"
     sha.js "^2.4.0"
 
-create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4, create-hmac@^1.1.6:
+create-hmac@1.1.6:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/create-hmac/-/create-hmac-1.1.6.tgz#acb9e221a4e17bdb076e90657c42b93e3726cf06"
+  integrity sha1-rLniIaThe9sHbpBlfEK5PjcmzwY=
+  dependencies:
+    cipher-base "^1.0.3"
+    create-hash "^1.1.0"
+    inherits "^2.0.1"
+    ripemd160 "^2.0.0"
+    safe-buffer "^5.0.1"
+    sha.js "^2.4.8"
+
+create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/create-hmac/-/create-hmac-1.1.7.tgz#69170c78b3ab957147b2b8b04572e47ead2243ff"
   integrity sha512-MJG9liiZ+ogc4TzUwuvbER1JRdgvUFSB5+VR/g5h82fGaIRWMWddtKBHi7/sVhfjQZ6SehlyhvQYrcYkaUIpLg==
@@ -2184,13 +2236,12 @@ ecc-jsbn@~0.1.1:
     jsbn "~0.1.0"
     safer-buffer "^2.1.0"
 
-ecurve@^1.0.5:
-  version "1.0.6"
-  resolved "https://registry.yarnpkg.com/ecurve/-/ecurve-1.0.6.tgz#dfdabbb7149f8d8b78816be5a7d5b83fcf6de797"
-  integrity sha512-/BzEjNfiSuB7jIWKcS/z8FK9jNjmEWvUV2YZ4RLSmcDtP7Lq0m6FvDuSnJpBlDpGRpfRQeTLGLBI8H+kEv0r+w==
+ecurve@1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/ecurve/-/ecurve-1.0.5.tgz#d148e8fe50a674f983bb5bae09da0ea23e10535e"
+  integrity sha1-0Ujo/lCmdPmDu1uuCdoOoj4QU14=
   dependencies:
     bigi "^1.1.0"
-    safe-buffer "^5.0.1"
 
 electron-to-chromium@^1.3.47:
   version "1.3.282"
@@ -2215,6 +2266,19 @@ elliptic@^6.0.0:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.0"
 
+elliptic@^6.5.0:
+  version "6.5.2"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.2.tgz#05c5678d7173c049d8ca433552224a495d0e3762"
+  integrity sha512-f4x70okzZbIQl/NSRLkI/+tteV/9WqL98zx+SQ69KbXxmVrmjwsNUPn/gYJJ0sHvEak24cZgHIPegRePAtA/xw==
+  dependencies:
+    bn.js "^4.4.0"
+    brorand "^1.0.1"
+    hash.js "^1.0.0"
+    hmac-drbg "^1.0.0"
+    inherits "^2.0.1"
+    minimalistic-assert "^1.0.0"
+    minimalistic-crypto-utils "^1.0.0"
+
 emojis-list@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/emojis-list/-/emojis-list-2.1.0.tgz#4daa4d9db00f9819880c79fa457ae5b09a1fd389"
@@ -2236,19 +2300,20 @@ enhanced-resolve@^4.0.0, enhanced-resolve@^4.1.0:
     memory-fs "^0.5.0"
     tapable "^1.0.0"
 
-eosjs-ecc@4.0.4:
-  version "4.0.4"
-  resolved "https://registry.yarnpkg.com/eosjs-ecc/-/eosjs-ecc-4.0.4.tgz#431450f30a6f73088ff5d7ba1ebdfe967a5ca4ab"
-  integrity sha512-9wAYefts4TidHOu+eN9nAisZdWpUzlUimZrB63oP7+/s4xRNJEn2Vvep2ICRODpxpidbshM1L7WaSYW9oiV5gA==
-  dependencies:
-    bigi "^1.4.2"
-    browserify-aes "^1.0.6"
-    bs58 "^4.0.1"
-    bytebuffer "^5.0.1"
-    create-hash "^1.1.3"
-    create-hmac "^1.1.6"
-    ecurve "^1.0.5"
-    randombytes "^2.0.5"
+eosjs-ecc@^4.0.7:
+  version "4.0.7"
+  resolved "https://registry.yarnpkg.com/eosjs-ecc/-/eosjs-ecc-4.0.7.tgz#f5246da3b84839fcc237204768ef6e5ea56cc814"
+  integrity sha512-uuqhqnrDy9XTpKfkhiZqRDUTCCI9oWBalVK5IosL7kpYwA9I3lm68INYFLyWsHpF2xwHqPql8MrMYJ3zfOn5Qg==
+  dependencies:
+    "@babel/runtime" "7.6.0"
+    bigi "1.4.2"
+    browserify-aes "1.0.6"
+    bs58 "4.0.1"
+    bytebuffer "5.0.1"
+    create-hash "1.1.3"
+    create-hmac "1.1.6"
+    ecurve "1.0.5"
+    randombytes "2.0.5"
 
 errno@^0.1.3, errno@~0.1.7:
   version "0.1.7"
@@ -2442,13 +2507,6 @@ expand-brackets@^2.1.4:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
-expand-range@^1.8.1:
-  version "1.8.2"
-  resolved "https://registry.yarnpkg.com/expand-range/-/expand-range-1.8.2.tgz#a299effd335fe2721ebae8e257ec79644fc85337"
-  integrity sha1-opnv/TNf4nIeuujiV+x5ZE/IUzc=
-  dependencies:
-    fill-range "^2.1.0"
-
 expand-tilde@^2.0.0, expand-tilde@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/expand-tilde/-/expand-tilde-2.0.2.tgz#97e801aa052df02454de46b02bf621642cdc8502"
@@ -2589,17 +2647,6 @@ fileset@^2.0.2:
     glob "^7.0.3"
     minimatch "^3.0.3"
 
-fill-range@^2.1.0:
-  version "2.2.4"
-  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-2.2.4.tgz#eb1e773abb056dcd8df2bfdf6af59b8b3a936565"
-  integrity sha512-cnrcCbj01+j2gTG921VZPnHbjmdAf8oQV/iGeV2kZxGSyfYjjTyY79ErsK1WJWMpw6DaApEX72binqJE+/d+5Q==
-  dependencies:
-    is-number "^2.1.0"
-    isobject "^2.0.0"
-    randomatic "^3.0.0"
-    repeat-element "^1.1.2"
-    repeat-string "^1.5.2"
-
 fill-range@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-4.0.0.tgz#d544811d428f98eb06a63dc402d2403c328c38f7"
@@ -2902,10 +2949,10 @@ growly@^1.3.0:
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
   integrity sha1-8QdIy+dq+WS3yWyTxrzCivEgwIE=
 
-handlebars@^4.0.3:
-  version "4.4.3"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.4.3.tgz#180bae52c1d0e9ec0c15d7e82a4362d662762f6e"
-  integrity sha512-B0W4A2U1ww3q7VVthTKfh+epHx+q4mCt6iK+zEAzbMBpWQAwxCeKxEGpj/1oQTpzPXDNSOG7hmG14TsISH50yw==
+handlebars@4.1.2, handlebars@^4.0.3:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.1.2.tgz#b6b37c1ced0306b221e094fc7aca3ec23b131b67"
+  integrity sha512-nvfrjqvt9xQ8Z/w0ijewdD/vvWDTOweBUm96NTr66Wfvo1mJenBLwcYmPs3TIBP5ruzYGD7Hx/DaM9RmhroGPw==
   dependencies:
     neo-async "^2.6.0"
     optimist "^0.6.1"
@@ -3361,13 +3408,6 @@ is-installed-globally@0.1.0:
     global-dirs "^0.1.0"
     is-path-inside "^1.0.0"
 
-is-number@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/is-number/-/is-number-2.1.0.tgz#01fcbbb393463a548f2f466cce16dece49db908f"
-  integrity sha1-Afy7s5NGOlSPL0ZszhbezknbkI8=
-  dependencies:
-    kind-of "^3.0.2"
-
 is-number@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/is-number/-/is-number-3.0.0.tgz#24fd6201a4782cf50561c810276afc7d12d71195"
@@ -3375,11 +3415,6 @@ is-number@^3.0.0:
   dependencies:
     kind-of "^3.0.2"
 
-is-number@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/is-number/-/is-number-4.0.0.tgz#0026e37f5454d73e356dfe6564699867c6a7f0ff"
-  integrity sha512-rSklcAIlf1OmFdyAqbnWTLVelsQ58uvZ66S/ZyawjWqIviTWCjg2PzVGw8WUA+nNuPTqb4wgA+NszrJ+08LlgQ==
-
 is-path-inside@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-path-inside/-/is-path-inside-1.0.1.tgz#8ef5b7de50437a3fdca6b4e865ef7aa55cb48036"
@@ -3885,7 +3920,7 @@ js-tokens@^3.0.2:
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
   integrity sha1-mGbfOVECEw449/mWvOtlRDIJwls=
 
-js-yaml@^3.13.1, js-yaml@^3.7.0:
+js-yaml@3.13.1, js-yaml@^3.13.1, js-yaml@^3.7.0:
   version "3.13.1"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
   integrity sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==
@@ -4289,11 +4324,6 @@ map-visit@^1.0.0:
   dependencies:
     object-visit "^1.0.0"
 
-math-random@^1.0.1:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/math-random/-/math-random-1.0.4.tgz#5dd6943c938548267016d4e34f057583080c514c"
-  integrity sha512-rUxjysqif/BZQH2yhd5Aaq7vXMSx9NdEsQcyA07uEzIvxgI7zIr33gGsh+RU0/XjmQpCW7RsVof1vlkvQVCK5A==
-
 md5.js@^1.3.4:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/md5.js/-/md5.js-1.3.5.tgz#b5d07b8e3216e3e27cd728d72f70d1e6a342005f"
@@ -5150,11 +5180,6 @@ prelude-ls@~1.1.2:
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
   integrity sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=
 
-preserve@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
-  integrity sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=
-
 pretty-format@^23.6.0:
   version "23.6.0"
   resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-23.6.0.tgz#5eaac8eeb6b33b987b7fe6097ea6a8a146ab5760"
@@ -5292,14 +5317,12 @@ ramda@0.24.1:
   resolved "https://registry.yarnpkg.com/ramda/-/ramda-0.24.1.tgz#c3b7755197f35b8dc3502228262c4c91ddb6b857"
   integrity sha1-w7d1UZfzW43DUCIoJixMkd22uFc=
 
-randomatic@^3.0.0:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/randomatic/-/randomatic-3.1.1.tgz#b776efc59375984e36c537b2f51a1f0aff0da1ed"
-  integrity sha512-TuDE5KxZ0J461RVjrJZCJc+J+zCkTb1MbH9AQUq68sMhOMcy9jLcb3BrZKgp9q9Ncltdg4QVqWrH02W2EFFVYw==
+randombytes@2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.0.5.tgz#dc009a246b8d09a177b4b7a0ae77bc570f4b1b79"
+  integrity sha512-8T7Zn1AhMsQ/HI1SjcCfT/t4ii3eAqco3yOcSzS4mozsOz69lHLsoMXmF9nZgnFanYscnSlUSgs8uZyKzpE6kg==
   dependencies:
-    is-number "^4.0.0"
-    kind-of "^6.0.0"
-    math-random "^1.0.1"
+    safe-buffer "^5.1.0"
 
 randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5:
   version "2.1.0"
@@ -5406,6 +5429,11 @@ regenerator-runtime@^0.11.0:
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
   integrity sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==
 
+regenerator-runtime@^0.13.2:
+  version "0.13.3"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.3.tgz#7cf6a77d8f5c6f60eb73c5fc1955b2ceb01e6bf5"
+  integrity sha512-naKIZz2GQ8JWh///G7L3X6LaQUAMp2lvb1rvwwsURe/VXwD6VMfr+/1NuNw3ag8v2kY1aQ/go5SNn79O9JU7yw==
+
 regenerator-transform@^0.10.0:
   version "0.10.1"
   resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.10.1.tgz#1e4996837231da8b7f3cf4114d71b5691a0680dd"
@@ -5461,7 +5489,7 @@ repeat-element@^1.1.2:
   resolved "https://registry.yarnpkg.com/repeat-element/-/repeat-element-1.1.3.tgz#782e0d825c0c5a3bb39731f84efee6b742e6b1ce"
   integrity sha512-ahGq0ZnV5m5XtZLMb+vP76kcAM5nkLqk0lpqAuojSKGgQtn4eRi4ZZGm2olo2zKFH+sMsWaqOCW1dqAnOru72g==
 
-repeat-string@^1.5.2, repeat-string@^1.6.1:
+repeat-string@^1.6.1:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
   integrity sha1-jcrkcOHIirwtYA//Sndihtp15jc=