1 files changed, 59 insertions, 59 deletions
diff --git a/packages/0x.js/src/utils/abi_decoder.ts b/packages/0x.js/src/utils/abi_decoder.ts
index bbd2a0b1d..ace6dd165 100644
--- a/packages/0x.js/src/utils/abi_decoder.ts
+++ b/packages/0x.js/src/utils/abi_decoder.ts
@@ -6,67 +6,67 @@ import * as SolidityCoder from 'web3/lib/solidity/coder';
 import { AbiType, ContractEventArgs, DecodedLogArgs, LogWithDecodedArgs, RawLog, SolidityTypes } from '../types';
 
 export class AbiDecoder {
-    private _savedABIs: Web3.AbiDefinition[] = [];
-    private _methodIds: { [signatureHash: string]: Web3.EventAbi } = {};
-    private static _padZeros(address: string) {
-        let formatted = address;
-        if (_.startsWith(formatted, '0x')) {
-            formatted = formatted.slice(2);
-        }
+	private _savedABIs: Web3.AbiDefinition[] = [];
+	private _methodIds: { [signatureHash: string]: Web3.EventAbi } = {};
+	private static _padZeros(address: string) {
+		let formatted = address;
+		if (_.startsWith(formatted, '0x')) {
+			formatted = formatted.slice(2);
+		}
 
-        formatted = _.padStart(formatted, 40, '0');
-        return `0x${formatted}`;
-    }
-    constructor(abiArrays: Web3.AbiDefinition[][]) {
-        _.map(abiArrays, this._addABI.bind(this));
-    }
-    // This method can only decode logs from the 0x & ERC20 smart contracts
-    public tryToDecodeLogOrNoop<ArgsType extends ContractEventArgs>(
-        log: Web3.LogEntry,
-    ): LogWithDecodedArgs<ArgsType> | RawLog {
-        const methodId = log.topics[0];
-        const event = this._methodIds[methodId];
-        if (_.isUndefined(event)) {
-            return log;
-        }
-        const logData = log.data;
-        const decodedParams: DecodedLogArgs = {};
-        let dataIndex = 0;
-        let topicsIndex = 1;
+		formatted = _.padStart(formatted, 40, '0');
+		return `0x${formatted}`;
+	}
+	constructor(abiArrays: Web3.AbiDefinition[][]) {
+		_.map(abiArrays, this._addABI.bind(this));
+	}
+	// This method can only decode logs from the 0x & ERC20 smart contracts
+	public tryToDecodeLogOrNoop<ArgsType extends ContractEventArgs>(
+		log: Web3.LogEntry,
+	): LogWithDecodedArgs<ArgsType> | RawLog {
+		const methodId = log.topics[0];
+		const event = this._methodIds[methodId];
+		if (_.isUndefined(event)) {
+			return log;
+		}
+		const logData = log.data;
+		const decodedParams: DecodedLogArgs = {};
+		let dataIndex = 0;
+		let topicsIndex = 1;
 
-        const nonIndexedInputs = _.filter(event.inputs, input => !input.indexed);
-        const dataTypes = _.map(nonIndexedInputs, input => input.type);
-        const decodedData = SolidityCoder.decodeParams(dataTypes, logData.slice('0x'.length));
+		const nonIndexedInputs = _.filter(event.inputs, input => !input.indexed);
+		const dataTypes = _.map(nonIndexedInputs, input => input.type);
+		const decodedData = SolidityCoder.decodeParams(dataTypes, logData.slice('0x'.length));
 
-        _.map(event.inputs, (param: Web3.EventParameter) => {
-            // Indexed parameters are stored in topics. Non-indexed ones in decodedData
-            let value = param.indexed ? log.topics[topicsIndex++] : decodedData[dataIndex++];
-            if (param.type === SolidityTypes.Address) {
-                value = AbiDecoder._padZeros(new BigNumber(value).toString(16));
-            } else if (
-                param.type === SolidityTypes.Uint256 ||
-                param.type === SolidityTypes.Uint8 ||
-                param.type === SolidityTypes.Uint
-            ) {
-                value = new BigNumber(value);
-            }
-            decodedParams[param.name] = value;
-        });
+		_.map(event.inputs, (param: Web3.EventParameter) => {
+			// Indexed parameters are stored in topics. Non-indexed ones in decodedData
+			let value = param.indexed ? log.topics[topicsIndex++] : decodedData[dataIndex++];
+			if (param.type === SolidityTypes.Address) {
+				value = AbiDecoder._padZeros(new BigNumber(value).toString(16));
+			} else if (
+				param.type === SolidityTypes.Uint256 ||
+				param.type === SolidityTypes.Uint8 ||
+				param.type === SolidityTypes.Uint
+			) {
+				value = new BigNumber(value);
+			}
+			decodedParams[param.name] = value;
+		});
 
-        return {
-            ...log,
-            event: event.name,
-            args: decodedParams,
-        };
-    }
-    private _addABI(abiArray: Web3.AbiDefinition[]): void {
-        _.map(abiArray, (abi: Web3.AbiDefinition) => {
-            if (abi.type === AbiType.Event) {
-                const signature = `${abi.name}(${_.map(abi.inputs, input => input.type).join(',')})`;
-                const signatureHash = new Web3().sha3(signature);
-                this._methodIds[signatureHash] = abi;
-            }
-        });
-        this._savedABIs = this._savedABIs.concat(abiArray);
-    }
+		return {
+			...log,
+			event: event.name,
+			args: decodedParams,
+		};
+	}
+	private _addABI(abiArray: Web3.AbiDefinition[]): void {
+		_.map(abiArray, (abi: Web3.AbiDefinition) => {
+			if (abi.type === AbiType.Event) {
+				const signature = `${abi.name}(${_.map(abi.inputs, input => input.type).join(',')})`;
+				const signatureHash = new Web3().sha3(signature);
+				this._methodIds[signatureHash] = abi;
+			}
+		});
+		this._savedABIs = this._savedABIs.concat(abiArray);
+	}
 }