diff --git a/modules/node_modules/@colony/purser-core/defaults.js b/modules/node_modules/@colony/purser-core/defaults.js
index c2c03bb7..064b91c2 100644
--- a/modules/node_modules/@colony/purser-core/defaults.js
+++ b/modules/node_modules/@colony/purser-core/defaults.js
@@ -122,11 +122,39 @@ export const HTTPS_PROTOCOL: string = 'https:';
 /*
  * Chain IDs
  */
-export const NETWORK_IDS: Object = {
+export const CHAIN_IDS: Object = {
   HOMESTEAD: 1,
   ROPSTEN: 3,
   RINKEBY: 4,
+  GOERLI: 5,
   KOVAN: 42,
+  LOCAL: 1337,
+};
+
+/*
+ * Network names
+ */
+export const NETWORK_NAMES: Object = {
+  MAINNET: 'mainnet',
+  ROPSTEN: 'ropsten',
+  RINKEBY: 'rinkeby',
+  KOVAN: 'kovan',
+  GOERLI: 'goerli',
+};
+
+/*
+ * Hardforks
+ */
+export const HARDFORKS: Object = {
+  BYZANTIUM: 'byzantium',
+  CHAINSTART: 'chainstart',
+  CONSTANTINOPLE: 'constantinople',
+  DAO: 'dao',
+  HOMESTEAD: 'homestead',
+  ISTANBUL: 'istanbul',
+  PETERSBURG: 'petersburg',
+  SPURIOUS_DRAGON: 'spuriousDragon',
+  TANGERINE_WHISTLE: 'tangerineWhistle',
 };
 
 /*
diff --git a/modules/node_modules/@colony/purser-core/genericWallet.js b/modules/node_modules/@colony/purser-core/genericWallet.js
index ca881475..6f7ffb5e 100644
--- a/modules/node_modules/@colony/purser-core/genericWallet.js
+++ b/modules/node_modules/@colony/purser-core/genericWallet.js
@@ -11,7 +11,7 @@ import {
 import { addressNormalizer, hexSequenceNormalizer } from './normalizers';
 
 import { genericClass as messages } from './messages';
-import { HEX_HASH_TYPE, DESCRIPTORS, SPLITTER, NETWORK_IDS } from './defaults';
+import { HEX_HASH_TYPE, DESCRIPTORS, SPLITTER, CHAIN_IDS } from './defaults';
 import { TYPE_GENERIC, SUBTYPE_GENERIC } from './types';
 
 import type { GenericClassArgumentsType } from './flowtypes';
@@ -70,7 +70,7 @@ export default class GenericWallet {
     chainCode,
     rootDerivationPath,
     addressCount = 10,
-    chainId = NETWORK_IDS.HOMESTEAD,
+    chainId = CHAIN_IDS.HOMESTEAD,
   }: GenericClassArgumentsType) {
     /*
      * Validate address count (this comes from the end user)
diff --git a/modules/node_modules/@colony/purser-core/helpers.js b/modules/node_modules/@colony/purser-core/helpers.js
index dc0895ec..483d39e1 100644
--- a/modules/node_modules/@colony/purser-core/helpers.js
+++ b/modules/node_modules/@colony/purser-core/helpers.js
@@ -15,7 +15,14 @@ import { hexSequenceNormalizer, recoveryParamNormalizer } from './normalizers';
 import { bigNumber, warning } from './utils';
 
 import { helpers as helperMessages } from './messages';
-import { PATH, TRANSACTION, HEX_HASH_TYPE } from './defaults';
+import {
+  CHAIN_IDS,
+  HARDFORKS,
+  HEX_HASH_TYPE,
+  NETWORK_NAMES,
+  PATH,
+  TRANSACTION,
+} from './defaults';
 
 import type {
   DerivationPathObjectType,
@@ -435,14 +442,21 @@ export const getChainDefinition = (chainId: number): {| common: Object |} => {
        *
        * @TODO Provide a means to specify all chain properties for transactions
        */
-      case 1:
-      case 1337:
-        return 'mainnet';
-      case 5:
-        return 'goerli';
+      case CHAIN_IDS.HOMESTEAD:
+      case CHAIN_IDS.LOCAL:
+        return NETWORK_NAMES.MAINNET;
+      case CHAIN_IDS.GOERLI:
+        return NETWORK_NAMES.GOERLI;
       /*
-       * Other chain IDs _may_ cause validation errors in `ethereumjs-common`
+       * The following (or other) chain IDs _may_ cause validation errors
+       * in `ethereumjs-common`
        */
+      case CHAIN_IDS.KOVAN:
+        return NETWORK_NAMES.KOVAN;
+      case CHAIN_IDS.ROPSTEN:
+        return NETWORK_NAMES.ROPSTEN;
+      case CHAIN_IDS.RINKEBY:
+        return NETWORK_NAMES.RINKEBY;
       default:
         return chainId;
     }
@@ -456,7 +470,7 @@ export const getChainDefinition = (chainId: number): {| common: Object |} => {
        * using the current default for this property. This is also an
        * assumption, and this should be made configurable.
        */
-      'petersburg',
+      HARDFORKS.PETERSBURG,
     ),
   };
 };
diff --git a/modules/node_modules/@colony/purser-ledger/index.js b/modules/node_modules/@colony/purser-ledger/index.js
index cf002444..805fd8e2 100644
--- a/modules/node_modules/@colony/purser-ledger/index.js
+++ b/modules/node_modules/@colony/purser-ledger/index.js
@@ -4,7 +4,7 @@ import {
   derivationPathSerializer,
   userInputValidator,
 } from '@colony/purser-core/helpers';
-import { PATH, NETWORK_IDS } from '@colony/purser-core/defaults';
+import { PATH, CHAIN_IDS } from '@colony/purser-core/defaults';
 
 import type { WalletArgumentsType } from '@colony/purser-core/flowtypes';
 
@@ -38,7 +38,7 @@ export const open = async (
   userInputValidator({
     firstArgument: argumentObject,
   });
-  const { addressCount, chainId = NETWORK_IDS.HOMESTEAD } = argumentObject;
+  const { addressCount, chainId = CHAIN_IDS.HOMESTEAD } = argumentObject;
   /*
    * @TODO Reduce code repetition
    * By moving this inside a helper. This same patter will be used on the
@@ -48,7 +48,7 @@ export const open = async (
    * This will be used in the derivation path
    */
   const coinType: number =
-    chainId === NETWORK_IDS.HOMESTEAD ? PATH.COIN_MAINNET : PATH.COIN_TESTNET;
+    chainId === CHAIN_IDS.HOMESTEAD ? PATH.COIN_MAINNET : PATH.COIN_TESTNET;
   /*
    * Get to root derivation path based on the coin type.
    *
diff --git a/modules/node_modules/@colony/purser-metamask/staticMethods.js b/modules/node_modules/@colony/purser-metamask/staticMethods.js
index 0fe33d97..e2d5fc4b 100644
--- a/modules/node_modules/@colony/purser-metamask/staticMethods.js
+++ b/modules/node_modules/@colony/purser-metamask/staticMethods.js
@@ -2,6 +2,7 @@
 
 import { Transaction as EthereumTx } from 'ethereumjs-tx';
 import BigNumber from 'bn.js';
+import { awaitTx } from 'await-transaction-mined';
 
 import { warning } from '@colony/purser-core/utils';
 import {
@@ -33,6 +34,41 @@ import {
 import { STD_ERRORS } from './defaults';
 import { staticMethods as messages } from './messages';
 
+import type { Web3TransactionType } from './flowtypes';
+
+/**
+ * Get a transaction, with a workaround for some providers not returning
+ * a pending transaction.
+ *
+ * If the transaction was not immediately returned, it's possible that
+ * Infura is being used, and it isn't responding to `eth_getTransaction`
+ * in the expected way (i.e. it isn't returning anything because the
+ * transaction is not yet confirmed).
+ *
+ * This method uses a web3 0.20.x-compatible means of waiting for the
+ * transaction to be confirmed (which will resolve to the receipt,
+ * or reject if the transaction could not be confirmed.
+ *
+ * This can probably be removed when MetaMask has its own workaround.
+ * See https://github.com/MetaMask/metamask-extension/issues/6704
+ */
+export const getTransaction = async (
+  transactionHash: string,
+): Promise<Web3TransactionType> => {
+  const receiptPromise = awaitTx(global.web3, transactionHash, {
+    blocksToWait: 1,
+  });
+
+  const transaction = await getTransactionMethodLink(transactionHash);
+  if (transaction) {
+    return transaction;
+  }
+
+  await receiptPromise;
+
+  return getTransactionMethodLink(transactionHash);
+};
+
 export const signTransactionCallback = (
   chainId: number,
   resolve: (string) => void,
@@ -75,7 +111,7 @@ export const signTransactionCallback = (
         to: signedTo,
         v,
         value: signedValue,
-      } = await getTransactionMethodLink(normalizedTransactionHash);
+      } = await getTransaction(normalizedTransactionHash);
       /*
        * RLP encode (to hex string) with ethereumjs-tx, prefix with
        * `0x` and return. Convert to BN all the numbers-as-strings.
diff --git a/modules/node_modules/@colony/purser-software/index.js b/modules/node_modules/@colony/purser-software/index.js
index 81cea28f..66b609fa 100644
--- a/modules/node_modules/@colony/purser-software/index.js
+++ b/modules/node_modules/@colony/purser-software/index.js
@@ -14,7 +14,7 @@ import {
   warning,
 } from '@colony/purser-core/utils';
 
-import { PATH, NETWORK_IDS } from '@colony/purser-core/defaults';
+import { PATH, CHAIN_IDS } from '@colony/purser-core/defaults';
 
 import type {
   WalletObjectType,
@@ -68,7 +68,7 @@ export const open = async (
     privateKey,
     mnemonic,
     keystore,
-    chainId = NETWORK_IDS.HOMESTEAD,
+    chainId = CHAIN_IDS.HOMESTEAD,
   } = argumentObject;
   let extractedPrivateKey: string;
   /*
@@ -184,7 +184,7 @@ export const create = async (
   const {
     password,
     entropy = getRandomValues(new Uint8Array(65536)),
-    chainId = NETWORK_IDS.HOMESTEAD,
+    chainId = CHAIN_IDS.HOMESTEAD,
   } = argumentObject;
   let basicWallet: WalletObjectType;
   try {
diff --git a/modules/node_modules/@colony/purser-trezor/index.js b/modules/node_modules/@colony/purser-trezor/index.js
index 5b92bf49..86dc9d16 100644
--- a/modules/node_modules/@colony/purser-trezor/index.js
+++ b/modules/node_modules/@colony/purser-trezor/index.js
@@ -8,7 +8,7 @@ import {
 } from '@colony/purser-core/helpers';
 import { warning, objectToErrorString } from '@colony/purser-core/utils';
 
-import { PATH, NETWORK_IDS } from '@colony/purser-core/defaults';
+import { PATH, CHAIN_IDS } from '@colony/purser-core/defaults';
 import type { WalletArgumentsType } from '@colony/purser-core/flowtypes';
 
 import TrezorWallet from './class';
@@ -43,7 +43,7 @@ export const open = async (
   userInputValidator({
     firstArgument: argumentObject,
   });
-  const { addressCount, chainId = NETWORK_IDS.HOMESTEAD } = argumentObject;
+  const { addressCount, chainId = CHAIN_IDS.HOMESTEAD } = argumentObject;
   /*
    * @TODO Reduce code repetition
    * By moving this inside a helper. This same patter will be used on the
@@ -53,7 +53,7 @@ export const open = async (
    * This will be used in the derivation path
    */
   const coinType: number =
-    chainId === NETWORK_IDS.HOMESTEAD ? PATH.COIN_MAINNET : PATH.COIN_TESTNET;
+    chainId === CHAIN_IDS.HOMESTEAD ? PATH.COIN_MAINNET : PATH.COIN_TESTNET;
   /*
    * Get to root derivation path based on the coin type.
    *
diff --git a/modules/tests/purser-core/genericWallet.test.js b/modules/tests/purser-core/genericWallet.test.js
index 24c37cc8..887b26e0 100644
--- a/modules/tests/purser-core/genericWallet.test.js
+++ b/modules/tests/purser-core/genericWallet.test.js
@@ -11,7 +11,7 @@ import {
   addressNormalizer,
   hexSequenceNormalizer,
 } from '@colony/purser-core/normalizers';
-import { NETWORK_IDS } from '@colony/purser-core/defaults';
+import { CHAIN_IDS } from '@colony/purser-core/defaults';
 
 jest.dontMock('@colony/purser-core/genericWallet');
 
@@ -146,7 +146,7 @@ describe('`Core` Module', () => {
       /*
        * Address
        */
-      expect(genericWallet).toHaveProperty('chainId', NETWORK_IDS.HOMESTEAD);
+      expect(genericWallet).toHaveProperty('chainId', CHAIN_IDS.HOMESTEAD);
     });
     test('Validates values used to instantiate', async () => {
       /* eslint-disable-next-line no-new */
diff --git a/modules/tests/purser-ledger/open.test.js b/modules/tests/purser-ledger/open.test.js
index 25453df3..f067624c 100644
--- a/modules/tests/purser-ledger/open.test.js
+++ b/modules/tests/purser-ledger/open.test.js
@@ -2,7 +2,7 @@ import {
   derivationPathSerializer,
   userInputValidator,
 } from '@colony/purser-core/helpers';
-import { PATH, NETWORK_IDS } from '@colony/purser-core/defaults';
+import { PATH, CHAIN_IDS } from '@colony/purser-core/defaults';
 import * as utils from '@colony/purser-core/utils';
 
 import {
@@ -78,7 +78,7 @@ describe('Ledger` Hardware Wallet Module', () => {
       );
     });
     test('Sets the derivation path coin to the mainnet type', async () => {
-      await ledgerWallet.open({ chainId: NETWORK_IDS.HOMESTEAD });
+      await ledgerWallet.open({ chainId: CHAIN_IDS.HOMESTEAD });
       /*
        * Should set the coin to the mainnet 60 type
        */
diff --git a/modules/tests/purser-trezor/open.test.js b/modules/tests/purser-trezor/open.test.js
index 4cf8fb88..1d05e50c 100644
--- a/modules/tests/purser-trezor/open.test.js
+++ b/modules/tests/purser-trezor/open.test.js
@@ -4,7 +4,7 @@ import {
   derivationPathSerializer,
   userInputValidator,
 } from '@colony/purser-core/helpers';
-import { PATH, NETWORK_IDS } from '@colony/purser-core/defaults';
+import { PATH, CHAIN_IDS } from '@colony/purser-core/defaults';
 
 import * as utils from '@colony/purser-core/utils';
 
@@ -94,7 +94,7 @@ describe('Trezor` Hardware Wallet Module', () => {
       );
     });
     test('Sets the derivation path coin to the mainnet type', async () => {
-      await trezorWallet.open({ chainId: NETWORK_IDS.HOMESTEAD });
+      await trezorWallet.open({ chainId: CHAIN_IDS.HOMESTEAD });
       /*
        * Should set the coin to the mainnet 60 type
        */
diff --git a/package.json b/package.json
index daa4274a..898b607f 100644
--- a/package.json
+++ b/package.json
@@ -80,6 +80,7 @@
     "@babel/runtime": "^7.1.2",
     "@ledgerhq/hw-app-eth": "^4.68.1",
     "@ledgerhq/hw-transport-u2f": "^4.68.0",
+    "await-transaction-mined": "^1.0.12",
     "bip32-path": "^0.4.2",
     "bn.js": "^5.0.0",
     "ethereumjs-common": "^1.3.0",
diff --git a/yarn.lock b/yarn.lock
index 65dcf7e9..ac1cb9c3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1085,6 +1085,11 @@ atob@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
 
+await-transaction-mined@^1.0.12:
+  version "1.0.12"
+  resolved "https://registry.yarnpkg.com/await-transaction-mined/-/await-transaction-mined-1.0.12.tgz#be7b3eed6ce01e5b28f6e0588d38e70eaf2c81f8"
+  integrity sha512-UZ84Bh0TUVnXa/ioleGutsFP1/k6WGVWuZP2W1uWCbrcH6KwQmu3ZSq0gvKibsNrG7RSB+0UxnjDvzT2otkpoQ==
+
 aws-sign2@~0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz#b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8"