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Refactor web3Wrapper to a separate package

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This commit is contained in:
Leonid Logvinov
2017-12-06 20:55:09 +03:00
parent 598f1dd2d8
commit f1b267cc9f
69 changed files with 366 additions and 275 deletions
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18
packages/website/ts/web3_wrapper.ts
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@@ -1,8 +1,8 @@
import {promisify} from '@0xproject/utils';
import BigNumber from 'bignumber.js';
import promisify = require('es6-promisify');
import * as _ from 'lodash';
import {Dispatcher} from 'ts/redux/dispatcher';
import Web3 = require('web3');
import * as Web3 from 'web3';
export class Web3Wrapper {
private dispatcher: Dispatcher;
@@ -28,7 +28,7 @@ export class Web3Wrapper {
return this.web3.isAddress(address);
}
public async getAccountsAsync(): Promise<string[]> {
const addresses = await promisify(this.web3.eth.getAccounts)();
const addresses = await promisify<string[]>(this.web3.eth.getAccounts)();
return addresses;
}
public async getFirstAccountIfExistsAsync() {
@@ -38,8 +38,8 @@ export class Web3Wrapper {
}
return (addresses)[0];
}
public async getNodeVersionAsync() {
const nodeVersion = await promisify(this.web3.version.getNode)();
public async getNodeVersionAsync(): Promise<string> {
const nodeVersion = await promisify<string>(this.web3.version.getNode)();
return nodeVersion;
}
public getProviderObj() {
@@ -54,24 +54,24 @@ export class Web3Wrapper {
}
}
public async getBalanceInEthAsync(owner: string): Promise<BigNumber> {
const balanceInWei: BigNumber = await promisify(this.web3.eth.getBalance)(owner);
const balanceInWei: BigNumber = await promisify<BigNumber>(this.web3.eth.getBalance)(owner);
const balanceEthOldBigNumber = this.web3.fromWei(balanceInWei, 'ether');
const balanceEth = new BigNumber(balanceEthOldBigNumber);
return balanceEth;
}
public async doesContractExistAtAddressAsync(address: string): Promise<boolean> {
const code = await promisify(this.web3.eth.getCode)(address);
const code = await promisify<string>(this.web3.eth.getCode)(address);
// Regex matches 0x0, 0x00, 0x in order to accomodate poorly implemented clients
const zeroHexAddressRegex = /^0[xX][0]*$/;
const didFindCode = _.isNull(code.match(zeroHexAddressRegex));
return didFindCode;
}
public async signTransactionAsync(address: string, message: string): Promise<string> {
const signData = await promisify(this.web3.eth.sign)(address, message);
const signData = await promisify<string>(this.web3.eth.sign)(address, message);
return signData;
}
public async getBlockTimestampAsync(blockHash: string): Promise<number> {
const {timestamp} = await promisify(this.web3.eth.getBlock)(blockHash);
const {timestamp} = await promisify<Web3.BlockWithoutTransactionData>(this.web3.eth.getBlock)(blockHash);
return timestamp;
}
public destroy() {