diff options
Diffstat (limited to 'packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts')
| -rw-r--r-- | packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts | 48 |
1 files changed, 18 insertions, 30 deletions
diff --git a/packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts index 4625cef6a..5e0ec1951 100644 --- a/packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts +++ b/packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts @@ -1,10 +1,11 @@ -import { schemas } from '@0xproject/json-schemas'; -import { BigNumber } from '@0xproject/utils'; -import { Web3Wrapper } from '@0xproject/web3-wrapper'; +import { ERC20TokenContract, ERC20TokenEventArgs, ERC20TokenEvents } from '@0x/abi-gen-wrappers'; +import { ERC20Token } from '@0x/contract-artifacts'; +import { schemas } from '@0x/json-schemas'; +import { BigNumber } from '@0x/utils'; +import { Web3Wrapper } from '@0x/web3-wrapper'; import { ContractAbi, LogWithDecodedArgs } from 'ethereum-types'; import * as _ from 'lodash'; -import { artifacts } from '../artifacts'; import { methodOptsSchema } from '../schemas/method_opts_schema'; import { txOptsSchema } from '../schemas/tx_opts_schema'; import { @@ -17,12 +18,10 @@ import { } from '../types'; import { assert } from '../utils/assert'; import { constants } from '../utils/constants'; +import { utils } from '../utils/utils'; import { ContractWrapper } from './contract_wrapper'; import { ERC20ProxyWrapper } from './erc20_proxy_wrapper'; -import { ERC20TokenContract, ERC20TokenEventArgs, ERC20TokenEvents } from './generated/erc20_token'; - -const removeUndefinedProperties = _.pickBy; /** * This class includes all the functionality related to interacting with ERC20 token contracts. @@ -30,10 +29,10 @@ const removeUndefinedProperties = _.pickBy; * to the 0x ERC20 Proxy smart contract. */ export class ERC20TokenWrapper extends ContractWrapper { - public abi: ContractAbi = artifacts.ERC20Token.compilerOutput.abi; + public abi: ContractAbi = ERC20Token.compilerOutput.abi; public UNLIMITED_ALLOWANCE_IN_BASE_UNITS = constants.UNLIMITED_ALLOWANCE_IN_BASE_UNITS; - private _tokenContractsByAddress: { [address: string]: ERC20TokenContract }; - private _erc20ProxyWrapper: ERC20ProxyWrapper; + private readonly _tokenContractsByAddress: { [address: string]: ERC20TokenContract }; + private readonly _erc20ProxyWrapper: ERC20ProxyWrapper; /** * Instantiate ERC20TokenWrapper * @param web3Wrapper Web3Wrapper instance to use @@ -108,7 +107,7 @@ export class ERC20TokenWrapper extends ContractWrapper { const txHash = await tokenContract.approve.sendTransactionAsync( normalizedSpenderAddress, amountInBaseUnits, - removeUndefinedProperties({ + utils.removeUndefinedProperties({ from: normalizedOwnerAddress, gas: txOpts.gasLimit, gasPrice: txOpts.gasPrice, @@ -189,7 +188,7 @@ export class ERC20TokenWrapper extends ContractWrapper { ownerAddress: string, methodOpts: MethodOpts = {}, ): Promise<BigNumber> { - const proxyAddress = this._erc20ProxyWrapper.getContractAddress(); + const proxyAddress = this._erc20ProxyWrapper.address; const allowanceInBaseUnits = await this.getAllowanceAsync(tokenAddress, ownerAddress, proxyAddress, methodOpts); return allowanceInBaseUnits; } @@ -209,7 +208,7 @@ export class ERC20TokenWrapper extends ContractWrapper { amountInBaseUnits: BigNumber, txOpts: TransactionOpts = {}, ): Promise<string> { - const proxyAddress = this._erc20ProxyWrapper.getContractAddress(); + const proxyAddress = this._erc20ProxyWrapper.address; const txHash = await this.setAllowanceAsync( tokenAddress, ownerAddress, @@ -278,7 +277,7 @@ export class ERC20TokenWrapper extends ContractWrapper { const txHash = await tokenContract.transfer.sendTransactionAsync( normalizedToAddress, amountInBaseUnits, - removeUndefinedProperties({ + utils.removeUndefinedProperties({ from: normalizedFromAddress, gas: txOpts.gasLimit, gasPrice: txOpts.gasPrice, @@ -339,7 +338,7 @@ export class ERC20TokenWrapper extends ContractWrapper { normalizedFromAddress, normalizedToAddress, amountInBaseUnits, - removeUndefinedProperties({ + utils.removeUndefinedProperties({ from: normalizedSenderAddress, gas: txOpts.gasLimit, gasPrice: txOpts.gasPrice, @@ -373,7 +372,7 @@ export class ERC20TokenWrapper extends ContractWrapper { normalizedTokenAddress, eventName, indexFilterValues, - artifacts.ERC20Token.compilerOutput.abi, + ERC20Token.compilerOutput.abi, callback, isVerbose, ); @@ -418,30 +417,19 @@ export class ERC20TokenWrapper extends ContractWrapper { eventName, blockRange, indexFilterValues, - artifacts.ERC20Token.compilerOutput.abi, + ERC20Token.compilerOutput.abi, ); return logs; } - // HACK: We don't want this method to be visible to the other units within that package but not to the end user. - // TS doesn't give that possibility and therefore we make it private and access it over an any cast. Because of that tslint sees it as unused. - // tslint:disable-next-line:no-unused-variable - private _invalidateContractInstances(): void { - this.unsubscribeAll(); - this._tokenContractsByAddress = {}; - } private async _getTokenContractAsync(tokenAddress: string): Promise<ERC20TokenContract> { const normalizedTokenAddress = tokenAddress.toLowerCase(); let tokenContract = this._tokenContractsByAddress[normalizedTokenAddress]; if (!_.isUndefined(tokenContract)) { return tokenContract; } - const [abi, address] = await this._getContractAbiAndAddressFromArtifactsAsync( - artifacts.ERC20Token, - normalizedTokenAddress, - ); const contractInstance = new ERC20TokenContract( - abi, - address, + this.abi, + normalizedTokenAddress, this._web3Wrapper.getProvider(), this._web3Wrapper.getContractDefaults(), ); |