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-rw-r--r--packages/contracts/src/utils/erc20_wrapper.ts167
1 files changed, 0 insertions, 167 deletions
diff --git a/packages/contracts/src/utils/erc20_wrapper.ts b/packages/contracts/src/utils/erc20_wrapper.ts
deleted file mode 100644
index 7f00e2061..000000000
--- a/packages/contracts/src/utils/erc20_wrapper.ts
+++ /dev/null
@@ -1,167 +0,0 @@
-import { assetProxyUtils } from '@0xproject/order-utils';
-import { BigNumber } from '@0xproject/utils';
-import { Web3Wrapper } from '@0xproject/web3-wrapper';
-import { Provider } from 'ethereum-types';
-import * as _ from 'lodash';
-
-import { DummyERC20TokenContract } from '../generated_contract_wrappers/dummy_e_r_c20_token';
-import { ERC20ProxyContract } from '../generated_contract_wrappers/e_r_c20_proxy';
-
-import { artifacts } from './artifacts';
-import { constants } from './constants';
-import { ERC20BalancesByOwner } from './types';
-import { txDefaults } from './web3_wrapper';
-
-export class ERC20Wrapper {
- private _tokenOwnerAddresses: string[];
- private _contractOwnerAddress: string;
- private _web3Wrapper: Web3Wrapper;
- private _provider: Provider;
- private _dummyTokenContracts: DummyERC20TokenContract[];
- private _proxyContract?: ERC20ProxyContract;
- private _proxyIdIfExists?: string;
- constructor(provider: Provider, tokenOwnerAddresses: string[], contractOwnerAddress: string) {
- this._dummyTokenContracts = [];
- this._web3Wrapper = new Web3Wrapper(provider);
- this._provider = provider;
- this._tokenOwnerAddresses = tokenOwnerAddresses;
- this._contractOwnerAddress = contractOwnerAddress;
- }
- public async deployDummyTokensAsync(
- numberToDeploy: number,
- decimals: BigNumber,
- ): Promise<DummyERC20TokenContract[]> {
- for (let i = 0; i < numberToDeploy; i++) {
- this._dummyTokenContracts.push(
- await DummyERC20TokenContract.deployFrom0xArtifactAsync(
- artifacts.DummyERC20Token,
- this._provider,
- txDefaults,
- constants.DUMMY_TOKEN_NAME,
- constants.DUMMY_TOKEN_SYMBOL,
- decimals,
- constants.DUMMY_TOKEN_TOTAL_SUPPLY,
- ),
- );
- }
- return this._dummyTokenContracts;
- }
- public async deployProxyAsync(): Promise<ERC20ProxyContract> {
- this._proxyContract = await ERC20ProxyContract.deployFrom0xArtifactAsync(
- artifacts.ERC20Proxy,
- this._provider,
- txDefaults,
- );
- this._proxyIdIfExists = await this._proxyContract.getProxyId.callAsync();
- return this._proxyContract;
- }
- public getProxyId(): string {
- this._validateProxyContractExistsOrThrow();
- return this._proxyIdIfExists as string;
- }
- public async setBalancesAndAllowancesAsync(): Promise<void> {
- this._validateDummyTokenContractsExistOrThrow();
- this._validateProxyContractExistsOrThrow();
- for (const dummyTokenContract of this._dummyTokenContracts) {
- for (const tokenOwnerAddress of this._tokenOwnerAddresses) {
- await this._web3Wrapper.awaitTransactionSuccessAsync(
- await dummyTokenContract.setBalance.sendTransactionAsync(
- tokenOwnerAddress,
- constants.INITIAL_ERC20_BALANCE,
- { from: this._contractOwnerAddress },
- ),
- constants.AWAIT_TRANSACTION_MINED_MS,
- );
- await this._web3Wrapper.awaitTransactionSuccessAsync(
- await dummyTokenContract.approve.sendTransactionAsync(
- (this._proxyContract as ERC20ProxyContract).address,
- constants.INITIAL_ERC20_ALLOWANCE,
- { from: tokenOwnerAddress },
- ),
- constants.AWAIT_TRANSACTION_MINED_MS,
- );
- }
- }
- }
- public async getBalanceAsync(userAddress: string, assetData: string): Promise<BigNumber> {
- const tokenContract = this._getTokenContractFromAssetData(assetData);
- const balance = new BigNumber(await tokenContract.balanceOf.callAsync(userAddress));
- return balance;
- }
- public async setBalanceAsync(userAddress: string, assetData: string, amount: BigNumber): Promise<void> {
- const tokenContract = this._getTokenContractFromAssetData(assetData);
- await this._web3Wrapper.awaitTransactionSuccessAsync(
- await tokenContract.setBalance.sendTransactionAsync(userAddress, amount, {
- from: this._contractOwnerAddress,
- }),
- constants.AWAIT_TRANSACTION_MINED_MS,
- );
- }
- public async getProxyAllowanceAsync(userAddress: string, assetData: string): Promise<BigNumber> {
- const tokenContract = this._getTokenContractFromAssetData(assetData);
- const proxyAddress = (this._proxyContract as ERC20ProxyContract).address;
- const allowance = new BigNumber(await tokenContract.allowance.callAsync(userAddress, proxyAddress));
- return allowance;
- }
- public async setAllowanceAsync(userAddress: string, assetData: string, amount: BigNumber): Promise<void> {
- const tokenContract = this._getTokenContractFromAssetData(assetData);
- const proxyAddress = (this._proxyContract as ERC20ProxyContract).address;
- await this._web3Wrapper.awaitTransactionSuccessAsync(
- await tokenContract.approve.sendTransactionAsync(proxyAddress, amount, {
- from: userAddress,
- }),
- constants.AWAIT_TRANSACTION_MINED_MS,
- );
- }
- public async getBalancesAsync(): Promise<ERC20BalancesByOwner> {
- this._validateDummyTokenContractsExistOrThrow();
- const balancesByOwner: ERC20BalancesByOwner = {};
- const balances: BigNumber[] = [];
- const balanceInfo: Array<{ tokenOwnerAddress: string; tokenAddress: string }> = [];
- for (const dummyTokenContract of this._dummyTokenContracts) {
- for (const tokenOwnerAddress of this._tokenOwnerAddresses) {
- balances.push(await dummyTokenContract.balanceOf.callAsync(tokenOwnerAddress));
- balanceInfo.push({
- tokenOwnerAddress,
- tokenAddress: dummyTokenContract.address,
- });
- }
- }
- _.forEach(balances, (balance, balanceIndex) => {
- const tokenAddress = balanceInfo[balanceIndex].tokenAddress;
- const tokenOwnerAddress = balanceInfo[balanceIndex].tokenOwnerAddress;
- if (_.isUndefined(balancesByOwner[tokenOwnerAddress])) {
- balancesByOwner[tokenOwnerAddress] = {};
- }
- const wrappedBalance = new BigNumber(balance);
- balancesByOwner[tokenOwnerAddress][tokenAddress] = wrappedBalance;
- });
- return balancesByOwner;
- }
- public getTokenOwnerAddresses(): string[] {
- return this._tokenOwnerAddresses;
- }
- public getTokenAddresses(): string[] {
- const tokenAddresses = _.map(this._dummyTokenContracts, dummyTokenContract => dummyTokenContract.address);
- return tokenAddresses;
- }
- private _getTokenContractFromAssetData(assetData: string): DummyERC20TokenContract {
- const erc20ProxyData = assetProxyUtils.decodeERC20AssetData(assetData);
- const tokenAddress = erc20ProxyData.tokenAddress;
- const tokenContractIfExists = _.find(this._dummyTokenContracts, c => c.address === tokenAddress);
- if (_.isUndefined(tokenContractIfExists)) {
- throw new Error(`Token: ${tokenAddress} was not deployed through ERC20Wrapper`);
- }
- return tokenContractIfExists;
- }
- private _validateDummyTokenContractsExistOrThrow(): void {
- if (_.isUndefined(this._dummyTokenContracts)) {
- throw new Error('Dummy ERC20 tokens not yet deployed, please call "deployDummyTokensAsync"');
- }
- }
- private _validateProxyContractExistsOrThrow(): void {
- if (_.isUndefined(this._proxyContract)) {
- throw new Error('ERC20 proxy contract not yet deployed, please call "deployProxyAsync"');
- }
- }
-}