Update file structure

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"');
-        }
-    }
-}