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Diffstat (limited to 'packages/deployer/src/utils/contract.ts')
-rw-r--r-- | packages/deployer/src/utils/contract.ts | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/packages/deployer/src/utils/contract.ts b/packages/deployer/src/utils/contract.ts deleted file mode 100644 index e8dd5218a..000000000 --- a/packages/deployer/src/utils/contract.ts +++ /dev/null @@ -1,80 +0,0 @@ -import { schemas, SchemaValidator } from '@0xproject/json-schemas'; -import { AbiType, ContractAbi, EventAbi, FunctionAbi, MethodAbi, TxData } from '@0xproject/types'; -import { promisify } from '@0xproject/utils'; -import * as _ from 'lodash'; -import * as Web3 from 'web3'; - -export class Contract implements Web3.ContractInstance { - public address: string; - public abi: ContractAbi; - private _contract: Web3.ContractInstance; - private _defaults: Partial<TxData>; - private _validator: SchemaValidator; - // This class instance is going to be populated with functions and events depending on the ABI - // and we don't know their types in advance - [name: string]: any; - constructor(web3ContractInstance: Web3.ContractInstance, defaults: Partial<TxData>) { - this._contract = web3ContractInstance; - this.address = web3ContractInstance.address; - this.abi = web3ContractInstance.abi; - this._defaults = defaults; - this._populateEvents(); - this._populateFunctions(); - this._validator = new SchemaValidator(); - } - private _populateFunctions(): void { - const functionsAbi = _.filter(this.abi, abiPart => abiPart.type === AbiType.Function) as FunctionAbi[]; - _.forEach(functionsAbi, (functionAbi: MethodAbi) => { - if (functionAbi.constant) { - const cbStyleCallFunction = this._contract[functionAbi.name].call; - this[functionAbi.name] = promisify(cbStyleCallFunction, this._contract); - this[functionAbi.name].call = promisify(cbStyleCallFunction, this._contract); - } else { - const cbStyleFunction = this._contract[functionAbi.name]; - const cbStyleCallFunction = this._contract[functionAbi.name].call; - const cbStyleEstimateGasFunction = this._contract[functionAbi.name].estimateGas; - this[functionAbi.name] = this._promisifyWithDefaultParams(cbStyleFunction); - this[functionAbi.name].estimateGasAsync = promisify(cbStyleEstimateGasFunction); - this[functionAbi.name].sendTransactionAsync = this._promisifyWithDefaultParams(cbStyleFunction); - this[functionAbi.name].call = promisify(cbStyleCallFunction, this._contract); - } - }); - } - private _populateEvents(): void { - const eventsAbi = _.filter(this.abi, abiPart => abiPart.type === AbiType.Event) as EventAbi[]; - _.forEach(eventsAbi, (eventAbi: EventAbi) => { - this[eventAbi.name] = this._contract[eventAbi.name]; - }); - } - private _promisifyWithDefaultParams(fn: (...args: any[]) => void): (...args: any[]) => Promise<any> { - const promisifiedWithDefaultParams = async (...args: any[]) => { - const promise = new Promise((resolve, reject) => { - const lastArg = args[args.length - 1]; - let txData: Partial<TxData> = {}; - if (this._isTxData(lastArg)) { - txData = args.pop(); - } - txData = { - ...this._defaults, - ...txData, - }; - const callback = (err: Error, data: any) => { - if (_.isNull(err)) { - resolve(data); - } else { - reject(err); - } - }; - args.push(txData); - args.push(callback); - fn.apply(this._contract, args); - }); - return promise; - }; - return promisifiedWithDefaultParams; - } - private _isTxData(lastArg: any): boolean { - const isValid = this._validator.isValid(lastArg, schemas.txDataSchema); - return isValid; - } -} |