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Diffstat (limited to 'packages/web3-wrapper/src/base_contract.ts')
-rw-r--r-- | packages/web3-wrapper/src/base_contract.ts | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/packages/web3-wrapper/src/base_contract.ts b/packages/web3-wrapper/src/base_contract.ts deleted file mode 100644 index 997ce97d3..000000000 --- a/packages/web3-wrapper/src/base_contract.ts +++ /dev/null @@ -1,69 +0,0 @@ -import { TxData, TxDataPayable } from '@0xproject/types'; -import * as ethersContracts from 'ethers-contracts'; -import * as _ from 'lodash'; -import * as Web3 from 'web3'; - -import { Web3Wrapper } from './web3_wrapper'; - -export class BaseContract { - protected _ethersInterface: ethersContracts.Interface; - protected _web3Wrapper: Web3Wrapper; - public abi: Web3.ContractAbi; - public address: string; - protected static _transformABIData( - abis: Web3.DataItem[], - values: any[], - transformation: (type: string, value: any) => any, - ): any { - return _.map(values, (value: any, i: number) => - BaseContract._transformTypedData(abis[i].type, value, transformation), - ); - } - protected static _lowercaseAddress(type: string, value: string): string { - return type === 'address' ? value.toLowerCase() : value; - } - protected static _bigNumberToString(type: string, value: string): string { - return _.isObject(value) && (value as any).isBigNumber ? value.toString() : value; - } - private static _transformTypedData( - type: string, - values: any, - transformation: (type: string, value: any) => any, - ): any { - const trailingArrayRegex = /\[\d*\]$/; - if (type.match(trailingArrayRegex)) { - const arrayItemType = type.replace(trailingArrayRegex, ''); - return _.map(values, value => this._transformTypedData(arrayItemType, value, transformation)); - } else { - return transformation(type, values); - } - } - protected async _applyDefaultsToTxDataAsync<T extends Partial<TxData | TxDataPayable>>( - txData: T, - estimateGasAsync?: (txData: T) => Promise<number>, - ): Promise<TxData> { - // Gas amount sourced with the following priorities: - // 1. Optional param passed in to public method call - // 2. Global config passed in at library instantiation - // 3. Gas estimate calculation + safety margin - const removeUndefinedProperties = _.pickBy; - const txDataWithDefaults = { - to: this.address, - ...removeUndefinedProperties(this._web3Wrapper.getContractDefaults()), - ...removeUndefinedProperties(txData as any), - // HACK: TS can't prove that T is spreadable. - // Awaiting https://github.com/Microsoft/TypeScript/pull/13288 to be merged - }; - if (_.isUndefined(txDataWithDefaults.gas) && !_.isUndefined(estimateGasAsync)) { - const estimatedGas = await estimateGasAsync(txData); - txDataWithDefaults.gas = estimatedGas; - } - return txDataWithDefaults; - } - constructor(web3Wrapper: Web3Wrapper, abi: Web3.ContractAbi, address: string) { - this._web3Wrapper = web3Wrapper; - this.abi = abi; - this.address = address; - this._ethersInterface = new ethersContracts.Interface(abi); - } -} |