Decode logs args in awaitTransactionMinedAsync

11 files changed, 179 insertions, 24 deletions

diff --git a/package.json b/package.json
index 7735acf76..6983cf3d9 100644
--- a/package.json
+++ b/package.json
@@ -91,6 +91,7 @@
   },
   "dependencies": {
     "0x-json-schemas": "^0.5.1",
+    "abi-decoder": "^1.0.8",
     "bignumber.js": "^4.0.2",
     "compare-versions": "^3.0.1",
     "es6-promisify": "^5.0.0",
diff --git a/src/0x.ts b/src/0x.ts
index 209b2704d..d88683c3d 100644
--- a/src/0x.ts
+++ b/src/0x.ts
@@ -1,6 +1,7 @@
 import * as _ from 'lodash';
 import * as BigNumber from 'bignumber.js';
 import * as Web3 from 'web3';
+import * as abiDecoder from 'abi-decoder';
 import {SchemaValidator, schemas} from '0x-json-schemas';
 import {bigNumberConfigs} from './bignumber_config';
 import * as ethUtil from 'ethereumjs-util';
@@ -11,12 +12,24 @@ import {constants} from './utils/constants';
 import {utils} from './utils/utils';
 import {signatureUtils} from './utils/signature_utils';
 import {assert} from './utils/assert';
+import {artifacts} from './artifacts';
 import {ExchangeWrapper} from './contract_wrappers/exchange_wrapper';
 import {TokenRegistryWrapper} from './contract_wrappers/token_registry_wrapper';
 import {EtherTokenWrapper} from './contract_wrappers/ether_token_wrapper';
 import {TokenWrapper} from './contract_wrappers/token_wrapper';
 import {TokenTransferProxyWrapper} from './contract_wrappers/token_transfer_proxy_wrapper';
-import {ECSignature, ZeroExError, Order, SignedOrder, Web3Provider, ZeroExConfig, TransactionReceipt} from './types';
+import {
+    ECSignature,
+    ZeroExError,
+    Order,
+    SignedOrder,
+    Web3Provider,
+    ZeroExConfig,
+    TransactionReceipt,
+    DecodedLogArgs,
+    TransactionReceiptWithDecodedLogs,
+    LogWithDecodedArgs,
+} from './types';
 
 // Customize our BigNumber instances
 bigNumberConfigs.configure();
@@ -170,6 +183,7 @@ export class ZeroEx {
             // We re-assign the send method so that Web3@1.0 providers work with 0x.js
             (provider as any).sendAsync = (provider as any).send;
         }
+        this._registerArtifactsWithinABIDecoder();
         const gasPrice = _.isUndefined(config) ? undefined : config.gasPrice;
         const defaults = {
             gasPrice,
@@ -264,11 +278,34 @@ export class ZeroEx {
             const intervalId = setInterval(async () => {
                 const transactionReceipt = await this._web3Wrapper.getTransactionReceiptAsync(txHash);
                 if (!_.isNull(transactionReceipt)) {
-                     clearInterval(intervalId);
-                     resolve(transactionReceipt);
+                    clearInterval(intervalId);
+                    const logsWithDecodedArgs = _.map(transactionReceipt.logs, (log: Web3.LogEntry) => {
+                        const decodedLog = abiDecoder.decodeLogs([log])[0];
+                        const decodedArgs = decodedLog.events;
+                        const args: DecodedLogArgs = {};
+                        _.forEach(decodedArgs, arg => {
+                            args[arg.name] = arg.value;
+                        });
+                        const logWithDecodedArgs: LogWithDecodedArgs = {
+                            ...log,
+                            args,
+                            event: decodedLog.name,
+                        };
+                        return logWithDecodedArgs;
+                    });
+                    const transactionReceiptWithDecodedLogArgs: TransactionReceiptWithDecodedLogs = {
+                        ...transactionReceipt,
+                        logs: logsWithDecodedArgs,
+                    };
+                    resolve(transactionReceiptWithDecodedLogArgs);
                 }
             }, pollingIntervalMs);
         });
         return txReceiptPromise;
     }
+    private _registerArtifactsWithinABIDecoder(): void {
+        for (const artifact of _.values(artifacts)) {
+            abiDecoder.addABI(artifact.abi);
+        }
+    }
 }
diff --git a/src/contract_wrappers/ether_token_wrapper.ts b/src/contract_wrappers/ether_token_wrapper.ts
index d31069b22..b86309f90 100644
--- a/src/contract_wrappers/ether_token_wrapper.ts
+++ b/src/contract_wrappers/ether_token_wrapper.ts
@@ -4,7 +4,7 @@ import {ContractWrapper} from './contract_wrapper';
 import {TokenWrapper} from './token_wrapper';
 import {EtherTokenContract, ZeroExError} from '../types';
 import {assert} from '../utils/assert';
-import * as EtherTokenArtifacts from '../artifacts/EtherToken.json';
+import {artifacts} from '../artifacts';
 
 /**
  * This class includes all the functionality related to interacting with a wrapped Ether ERC20 token contract.
@@ -76,7 +76,7 @@ export class EtherTokenWrapper extends ContractWrapper {
             return this._etherTokenContractIfExists;
         }
         const contractInstance = await this._instantiateContractIfExistsAsync<EtherTokenContract>(
-            EtherTokenArtifacts as any as Artifact,
+            artifacts.EtherTokenArtifact,
         );
         this._etherTokenContractIfExists = contractInstance as EtherTokenContract;
         return this._etherTokenContractIfExists;
diff --git a/src/contract_wrappers/exchange_wrapper.ts b/src/contract_wrappers/exchange_wrapper.ts
index 2ce9b2922..115bd1110 100644
--- a/src/contract_wrappers/exchange_wrapper.ts
+++ b/src/contract_wrappers/exchange_wrapper.ts
@@ -35,7 +35,7 @@ import {ContractWrapper} from './contract_wrapper';
 import {constants} from '../utils/constants';
 import {TokenWrapper} from './token_wrapper';
 import {decorators} from '../utils/decorators';
-import * as ExchangeArtifacts from '../artifacts/Exchange.json';
+import {artifacts} from '../artifacts';
 
 /**
  * This class includes all the functionality related to calling methods and subscribing to
@@ -706,7 +706,7 @@ export class ExchangeWrapper extends ContractWrapper {
             return this._exchangeContractIfExists;
         }
         const contractInstance = await this._instantiateContractIfExistsAsync<ExchangeContract>(
-            (ExchangeArtifacts as any as Artifact),
+            artifacts.ExchangeArtifact,
         );
         this._exchangeContractIfExists = contractInstance as ExchangeContract;
         return this._exchangeContractIfExists;
diff --git a/src/contract_wrappers/token_registry_wrapper.ts b/src/contract_wrappers/token_registry_wrapper.ts
index 79eb516fe..528a88e06 100644
--- a/src/contract_wrappers/token_registry_wrapper.ts
+++ b/src/contract_wrappers/token_registry_wrapper.ts
@@ -4,7 +4,7 @@ import {assert} from '../utils/assert';
 import {Token, TokenRegistryContract, TokenMetadata} from '../types';
 import {constants} from '../utils/constants';
 import {ContractWrapper} from './contract_wrapper';
-import * as TokenRegistryArtifacts from '../artifacts/TokenRegistry.json';
+import {artifacts} from '../artifacts';
 
 /**
  * This class includes all the functionality related to interacting with the 0x Token Registry smart contract.
@@ -102,7 +102,7 @@ export class TokenRegistryWrapper extends ContractWrapper {
             return this._tokenRegistryContractIfExists;
         }
         const contractInstance = await this._instantiateContractIfExistsAsync<TokenRegistryContract>(
-            TokenRegistryArtifacts as any as Artifact,
+            artifacts.TokenRegistryArtifact,
         );
         this._tokenRegistryContractIfExists = contractInstance as TokenRegistryContract;
         return this._tokenRegistryContractIfExists;
diff --git a/src/contract_wrappers/token_transfer_proxy_wrapper.ts b/src/contract_wrappers/token_transfer_proxy_wrapper.ts
index 2ed198be6..528d661d1 100644
--- a/src/contract_wrappers/token_transfer_proxy_wrapper.ts
+++ b/src/contract_wrappers/token_transfer_proxy_wrapper.ts
@@ -1,6 +1,6 @@
 import * as _ from 'lodash';
 import {ContractWrapper} from './contract_wrapper';
-import * as TokenTransferProxyArtifacts from '../artifacts/TokenTransferProxy.json';
+import {artifacts} from '../artifacts';
 import {TokenTransferProxyContract} from '../types';
 
 /**
@@ -45,7 +45,7 @@ export class TokenTransferProxyWrapper extends ContractWrapper {
             return this._tokenTransferProxyContractIfExists;
         }
         const contractInstance = await this._instantiateContractIfExistsAsync<TokenTransferProxyContract>(
-            TokenTransferProxyArtifacts as any as Artifact,
+            artifacts.TokenTransferProxyArtifact,
         );
         this._tokenTransferProxyContractIfExists = contractInstance as TokenTransferProxyContract;
         return this._tokenTransferProxyContractIfExists;
diff --git a/src/contract_wrappers/token_wrapper.ts b/src/contract_wrappers/token_wrapper.ts
index db1ce22b2..f1f967286 100644
--- a/src/contract_wrappers/token_wrapper.ts
+++ b/src/contract_wrappers/token_wrapper.ts
@@ -7,8 +7,7 @@ import {utils} from '../utils/utils';
 import {eventUtils} from '../utils/event_utils';
 import {constants} from '../utils/constants';
 import {ContractWrapper} from './contract_wrapper';
-import * as TokenArtifacts from '../artifacts/Token.json';
-import * as TokenTransferProxyArtifacts from '../artifacts/TokenTransferProxy.json';
+import {artifacts} from '../artifacts';
 import {
     TokenContract,
     ZeroExError,
@@ -286,7 +285,7 @@ export class TokenWrapper extends ContractWrapper {
             return tokenContract;
         }
         const contractInstance = await this._instantiateContractIfExistsAsync<TokenContract>(
-            TokenArtifacts as any as Artifact, tokenAddress,
+            artifacts.TokenArtifact, tokenAddress,
         );
         tokenContract = contractInstance as TokenContract;
         this._tokenContractsByAddress[tokenAddress] = tokenContract;
@@ -296,7 +295,7 @@ export class TokenWrapper extends ContractWrapper {
         const networkIdIfExists = await this._web3Wrapper.getNetworkIdIfExistsAsync();
         const proxyNetworkConfigsIfExists = _.isUndefined(networkIdIfExists) ?
                                        undefined :
-                                       (TokenTransferProxyArtifacts as any).networks[networkIdIfExists];
+                                       artifacts.TokenTransferProxyArtifact.networks[networkIdIfExists];
         if (_.isUndefined(proxyNetworkConfigsIfExists)) {
             throw new Error(ZeroExError.ContractNotDeployedOnNetwork);
         }
diff --git a/src/globals.d.ts b/src/globals.d.ts
index 6f5f13b4e..39d0860eb 100644
--- a/src/globals.d.ts
+++ b/src/globals.d.ts
@@ -69,3 +69,18 @@ declare class HDWalletProvider {
 declare module 'truffle-hdwallet-provider' {
     export = HDWalletProvider;
 }
+
+// abi-decoder declarations
+interface DecodedLogArg {
+    name: string;
+    value: string|BigNumber.BigNumber;
+}
+interface DecodedLog {
+    name: string;
+    events: DecodedLogArg[];
+}
+declare module 'abi-decoder' {
+    import * as Web3 from 'web3';
+    const addABI: (abi: Web3.AbiDefinition) => void;
+    const decodeLogs: (logs: Web3.LogEntry[]) => DecodedLog[];
+}
diff --git a/src/types.ts b/src/types.ts
index ddf449c16..9d3f77127 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -397,3 +397,16 @@ export enum AbiType {
     Event = 'event',
     Fallback = 'fallback',
 }
+
+export interface DecodedLogArgs {
+    [argName: string]: ContractEventArg;
+}
+
+export interface LogWithDecodedArgs extends Web3.LogEntry {
+    args: DecodedLogArgs;
+    event: string;
+}
+
+export interface TransactionReceiptWithDecodedLogs extends Web3.TransactionReceipt {
+    logs: LogWithDecodedArgs[];
+}
diff --git a/test/exchange_wrapper_test.ts b/test/exchange_wrapper_test.ts
index 990a4dca6..f72e7f64f 100644
--- a/test/exchange_wrapper_test.ts
+++ b/test/exchange_wrapper_test.ts
@@ -169,8 +169,9 @@ describe('ExchangeWrapper', () => {
                         .to.be.bignumber.equal(0);
                     expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, takerAddress))
                         .to.be.bignumber.equal(fillableAmount);
-                    await zeroEx.exchange.fillOrderAsync(
+                    const txHash = await zeroEx.exchange.fillOrderAsync(
                         signedOrder, fillTakerAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress);
+                    await zeroEx.awaitTransactionMinedAsync(txHash);
                     expect(await zeroEx.token.getBalanceAsync(makerTokenAddress, makerAddress))
                         .to.be.bignumber.equal(fillableAmount.minus(fillTakerAmount));
                     expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, makerAddress))
@@ -185,8 +186,9 @@ describe('ExchangeWrapper', () => {
                         makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
                     );
                     const partialFillAmount = new BigNumber(3);
-                    await zeroEx.exchange.fillOrderAsync(
+                    const txHash = await zeroEx.exchange.fillOrderAsync(
                         signedOrder, partialFillAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress);
+                    await zeroEx.awaitTransactionMinedAsync(txHash);
                     expect(await zeroEx.token.getBalanceAsync(makerTokenAddress, makerAddress))
                         .to.be.bignumber.equal(fillableAmount.minus(partialFillAmount));
                     expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, makerAddress))
diff --git a/yarn.lock b/yarn.lock
index dcbad943f..d558a8243 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -66,6 +66,20 @@ abbrev@1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.0.tgz#d0554c2256636e2f56e7c2e5ad183f859428d81f"
 
+abi-decoder@^1.0.8:
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/abi-decoder/-/abi-decoder-1.0.8.tgz#7794d864c4b3fd8bab600bdd445ceb01d333ea43"
+  dependencies:
+    babel-core "^6.23.1"
+    babel-loader "^6.3.2"
+    babel-plugin-add-module-exports "^0.2.1"
+    babel-plugin-transform-es2015-modules-amd "^6.22.0"
+    babel-preset-es2015 "^6.22.0"
+    chai "^3.5.0"
+    mocha "^3.2.0"
+    web3 "^0.18.4"
+    webpack "^2.2.1"
+
 abstract-leveldown@2.4.1, abstract-leveldown@~2.4.0:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-2.4.1.tgz#b3bfedb884eb693a12775f0c55e9f0a420ccee64"
@@ -90,11 +104,15 @@ aes-js@^0.2.3:
   version "0.2.4"
   resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-0.2.4.tgz#94b881ab717286d015fa219e08fb66709dda5a3d"
 
+ajv-keywords@^1.1.1:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-1.5.1.tgz#314dd0a4b3368fad3dfcdc54ede6171b886daf3c"
+
 ajv-keywords@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-2.1.0.tgz#a296e17f7bfae7c1ce4f7e0de53d29cb32162df0"
 
-ajv@^4.9.1:
+ajv@^4.7.0, ajv@^4.9.1:
   version "4.11.8"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.11.8.tgz#82ffb02b29e662ae53bdc20af15947706739c536"
   dependencies:
@@ -313,7 +331,7 @@ babel-code-frame@^6.22.0:
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
-babel-core@^6.0.14, babel-core@^6.24.1:
+babel-core@^6.0.14, babel-core@^6.23.1, babel-core@^6.24.1:
   version "6.25.0"
   resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.25.0.tgz#7dd42b0463c742e9d5296deb3ec67a9322dad729"
   dependencies:
@@ -425,12 +443,25 @@ babel-helpers@^6.24.1:
     babel-runtime "^6.22.0"
     babel-template "^6.24.1"
 
+babel-loader@^6.3.2:
+  version "6.4.1"
+  resolved "https://registry.yarnpkg.com/babel-loader/-/babel-loader-6.4.1.tgz#0b34112d5b0748a8dcdbf51acf6f9bd42d50b8ca"
+  dependencies:
+    find-cache-dir "^0.1.1"
+    loader-utils "^0.2.16"
+    mkdirp "^0.5.1"
+    object-assign "^4.0.1"
+
 babel-messages@^6.23.0:
   version "6.23.0"
   resolved "https://registry.yarnpkg.com/babel-messages/-/babel-messages-6.23.0.tgz#f3cdf4703858035b2a2951c6ec5edf6c62f2630e"
   dependencies:
     babel-runtime "^6.22.0"
 
+babel-plugin-add-module-exports@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-add-module-exports/-/babel-plugin-add-module-exports-0.2.1.tgz#9ae9a1f4a8dc67f0cdec4f4aeda1e43a5ff65e25"
+
 babel-plugin-check-es2015-constants@^6.22.0:
   version "6.22.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-check-es2015-constants/-/babel-plugin-check-es2015-constants-6.22.0.tgz#35157b101426fd2ffd3da3f75c7d1e91835bbf8a"
@@ -513,7 +544,7 @@ babel-plugin-transform-es2015-literals@^6.22.0:
   dependencies:
     babel-runtime "^6.22.0"
 
-babel-plugin-transform-es2015-modules-amd@^6.24.1:
+babel-plugin-transform-es2015-modules-amd@^6.22.0, babel-plugin-transform-es2015-modules-amd@^6.24.1:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-amd/-/babel-plugin-transform-es2015-modules-amd-6.24.1.tgz#3b3e54017239842d6d19c3011c4bd2f00a00d154"
   dependencies:
@@ -618,7 +649,7 @@ babel-plugin-transform-strict-mode@^6.24.1:
     babel-runtime "^6.22.0"
     babel-types "^6.24.1"
 
-babel-preset-es2015@^6.24.0:
+babel-preset-es2015@^6.22.0, babel-preset-es2015@^6.24.0:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-preset-es2015/-/babel-preset-es2015-6.24.1.tgz#d44050d6bc2c9feea702aaf38d727a0210538939"
   dependencies:
@@ -1035,6 +1066,14 @@ chai-typescript-typings@^0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/chai-typescript-typings/-/chai-typescript-typings-0.0.0.tgz#52e076d72cf29129c94ab1dba6e33ce3828a0724"
 
+chai@^3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/chai/-/chai-3.5.0.tgz#4d02637b067fe958bdbfdd3a40ec56fef7373247"
+  dependencies:
+    assertion-error "^1.0.1"
+    deep-eql "^0.1.3"
+    type-detect "^1.0.0"
+
 chai@^4.0.1:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/chai/-/chai-4.0.2.tgz#2f7327c4de6f385dd7787999e2ab02697a32b83b"
@@ -1341,6 +1380,12 @@ decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
 
+deep-eql@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/deep-eql/-/deep-eql-0.1.3.tgz#ef558acab8de25206cd713906d74e56930eb69f2"
+  dependencies:
+    type-detect "0.1.1"
+
 deep-eql@^2.0.1:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/deep-eql/-/deep-eql-2.0.2.tgz#b1bac06e56f0a76777686d50c9feb75c2ed7679a"
@@ -2865,6 +2910,15 @@ loader-runner@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.3.0.tgz#f482aea82d543e07921700d5a46ef26fdac6b8a2"
 
+loader-utils@^0.2.16:
+  version "0.2.17"
+  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-0.2.17.tgz#f86e6374d43205a6e6c60e9196f17c0299bfb348"
+  dependencies:
+    big.js "^3.1.3"
+    emojis-list "^2.0.0"
+    json5 "^0.5.0"
+    object-assign "^4.0.1"
+
 loader-utils@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.1.0.tgz#c98aef488bcceda2ffb5e2de646d6a754429f5cd"
@@ -3179,7 +3233,7 @@ mkdirp@0.5.1, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0:
   dependencies:
     minimist "0.0.8"
 
-mocha@^3.4.1:
+mocha@^3.2.0, mocha@^3.4.1:
   version "3.4.2"
   resolved "https://registry.yarnpkg.com/mocha/-/mocha-3.4.2.tgz#d0ef4d332126dbf18d0d640c9b382dd48be97594"
   dependencies:
@@ -4789,6 +4843,14 @@ tweetnacl@^0.14.3, tweetnacl@~0.14.0:
   version "0.14.5"
   resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
 
+type-detect@0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-0.1.1.tgz#0ba5ec2a885640e470ea4e8505971900dac58822"
+
+type-detect@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-1.0.0.tgz#762217cc06db258ec48908a1298e8b95121e8ea2"
+
 type-detect@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-3.0.0.tgz#46d0cc8553abb7b13a352b0d6dea2fd58f2d9b55"
@@ -4841,7 +4903,7 @@ typescript@2.4.1, typescript@^2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.4.1.tgz#c3ccb16ddaa0b2314de031e7e6fee89e5ba346bc"
 
-uglify-js@^2.6, uglify-js@^2.8.29:
+uglify-js@^2.6, uglify-js@^2.8.27, uglify-js@^2.8.29:
   version "2.8.29"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
   dependencies:
@@ -5020,7 +5082,7 @@ web3@^0.16.0:
     utf8 "^2.1.1"
     xmlhttprequest "*"
 
-web3@^0.18.2:
+web3@^0.18.2, web3@^0.18.4:
   version "0.18.4"
   resolved "https://registry.yarnpkg.com/web3/-/web3-0.18.4.tgz#81ec1784145491f2eaa8955b31c06049e07c5e7d"
   dependencies:
@@ -5047,6 +5109,32 @@ webpack-sources@^1.0.1:
     source-list-map "^2.0.0"
     source-map "~0.5.3"
 
+webpack@^2.2.1:
+  version "2.7.0"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-2.7.0.tgz#b2a1226804373ffd3d03ea9c6bd525067034f6b1"
+  dependencies:
+    acorn "^5.0.0"
+    acorn-dynamic-import "^2.0.0"
+    ajv "^4.7.0"
+    ajv-keywords "^1.1.1"
+    async "^2.1.2"
+    enhanced-resolve "^3.3.0"
+    interpret "^1.0.0"
+    json-loader "^0.5.4"
+    json5 "^0.5.1"
+    loader-runner "^2.3.0"
+    loader-utils "^0.2.16"
+    memory-fs "~0.4.1"
+    mkdirp "~0.5.0"
+    node-libs-browser "^2.0.0"
+    source-map "^0.5.3"
+    supports-color "^3.1.0"
+    tapable "~0.2.5"
+    uglify-js "^2.8.27"
+    watchpack "^1.3.1"
+    webpack-sources "^1.0.1"
+    yargs "^6.0.0"
+
 webpack@^3.0.0, webpack@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/webpack/-/webpack-3.1.0.tgz#ac0675e500db835f9ab2369d29ba096f51ad0731"