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-rw-r--r--packages/web3-wrapper/src/base_contract.ts69
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);
- }
-}