1 files changed, 0 insertions, 55 deletions
diff --git a/packages/contracts/src/utils/log_decoder.ts b/packages/contracts/src/utils/log_decoder.ts
deleted file mode 100644
index 07127ba79..000000000
--- a/packages/contracts/src/utils/log_decoder.ts
+++ /dev/null
@@ -1,55 +0,0 @@
-import { ContractArtifact } from '@0xproject/sol-compiler';
-import { AbiDecoder, BigNumber } from '@0xproject/utils';
-import { Web3Wrapper } from '@0xproject/web3-wrapper';
-import {
-    AbiDefinition,
-    DecodedLogArgs,
-    LogEntry,
-    LogWithDecodedArgs,
-    RawLog,
-    TransactionReceiptWithDecodedLogs,
-} from 'ethereum-types';
-import * as _ from 'lodash';
-
-import { artifacts } from './artifacts';
-import { constants } from './constants';
-
-export class LogDecoder {
-    private _web3Wrapper: Web3Wrapper;
-    private _contractAddress: string;
-    private _abiDecoder: AbiDecoder;
-    public static wrapLogBigNumbers(log: any): any {
-        const argNames = _.keys(log.args);
-        for (const argName of argNames) {
-            const isWeb3BigNumber = _.startsWith(log.args[argName].constructor.toString(), 'function BigNumber(');
-            if (isWeb3BigNumber) {
-                log.args[argName] = new BigNumber(log.args[argName]);
-            }
-        }
-    }
-    constructor(web3Wrapper: Web3Wrapper, contractAddress: string) {
-        this._web3Wrapper = web3Wrapper;
-        this._contractAddress = contractAddress;
-        const abiArrays: AbiDefinition[][] = [];
-        _.forEach(artifacts, (artifact: ContractArtifact) => {
-            const compilerOutput = artifact.compilerOutput;
-            abiArrays.push(compilerOutput.abi);
-        });
-        this._abiDecoder = new AbiDecoder(abiArrays);
-    }
-    public decodeLogOrThrow<ArgsType extends DecodedLogArgs>(log: LogEntry): LogWithDecodedArgs<ArgsType> | RawLog {
-        const logWithDecodedArgsOrLog = this._abiDecoder.tryToDecodeLogOrNoop(log);
-        // tslint:disable-next-line:no-unnecessary-type-assertion
-        if (_.isUndefined((logWithDecodedArgsOrLog as LogWithDecodedArgs<ArgsType>).args)) {
-            throw new Error(`Unable to decode log: ${JSON.stringify(log)}`);
-        }
-        LogDecoder.wrapLogBigNumbers(logWithDecodedArgsOrLog);
-        return logWithDecodedArgsOrLog;
-    }
-    public async getTxWithDecodedLogsAsync(txHash: string): Promise<TransactionReceiptWithDecodedLogs> {
-        const tx = await this._web3Wrapper.awaitTransactionSuccessAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
-        tx.logs = _.filter(tx.logs, log => log.address === this._contractAddress);
-        tx.logs = _.map(tx.logs, log => this.decodeLogOrThrow(log));
-        return tx;
-    }
-}