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author | Fabio Berger <me@fabioberger.com> | 2018-01-30 20:26:46 +0800 |
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committer | Fabio Berger <me@fabioberger.com> | 2018-01-30 20:26:46 +0800 |
commit | c6dece6bd1e5f5afa56b290557eb7a6245c76cb6 (patch) | |
tree | ad7a33ffe5d80c0eb41ae10fbc8314f193e52383 /packages/0x.js/src/utils/abi_decoder.ts | |
parent | 93a5b3f457c1211676296840c285759007a55500 (diff) | |
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Add config file specifically in prettier command and fix files
Diffstat (limited to 'packages/0x.js/src/utils/abi_decoder.ts')
-rw-r--r-- | packages/0x.js/src/utils/abi_decoder.ts | 118 |
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 ace6dd165..bbd2a0b1d 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); + } } |