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authorLeonid Logvinov <logvinov.leon@gmail.com>2017-05-29 17:39:12 +0800
committerLeonid Logvinov <logvinov.leon@gmail.com>2017-05-29 17:39:12 +0800
commit0848fe96cf09679926d307c86414cfb8b6f16d78 (patch)
treeec1da9d45a01b846de9b45a2bb57fee8bdb0f23e /src/ts/web3_wrapper.ts
parent62cc3b919c73b7726793808e3b9631dba41cef28 (diff)
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Move files up and remove ts folder
Diffstat (limited to 'src/ts/web3_wrapper.ts')
-rw-r--r--src/ts/web3_wrapper.ts69
1 files changed, 0 insertions, 69 deletions
diff --git a/src/ts/web3_wrapper.ts b/src/ts/web3_wrapper.ts
deleted file mode 100644
index 3b460e4da..000000000
--- a/src/ts/web3_wrapper.ts
+++ /dev/null
@@ -1,69 +0,0 @@
-import * as _ from 'lodash';
-import * as Web3 from 'web3';
-import * as BigNumber from 'bignumber.js';
-import promisify = require('es6-promisify');
-
-export class Web3Wrapper {
- private web3: Web3;
- constructor(web3: Web3) {
- this.web3 = new Web3();
- this.web3.setProvider(web3.currentProvider);
- }
- public isAddress(address: string): boolean {
- return this.web3.isAddress(address);
- }
- public async getSenderAddressIfExistsAsync(): Promise<string|undefined> {
- const defaultAccount = this.web3.eth.defaultAccount;
- if (!_.isUndefined(defaultAccount)) {
- return defaultAccount;
- }
- const firstAccount = await this.getFirstAddressIfExistsAsync();
- return firstAccount;
- }
- public async getFirstAddressIfExistsAsync(): Promise<string|undefined> {
- const addresses = await promisify(this.web3.eth.getAccounts)();
- if (_.isEmpty(addresses)) {
- return undefined;
- }
- return (addresses as string[])[0];
- }
- public async getNodeVersionAsync(): Promise<string> {
- const nodeVersion = await promisify(this.web3.version.getNode)();
- return nodeVersion;
- }
- public getCurrentProvider(): Web3.Provider {
- return this.web3.currentProvider;
- }
- public async getNetworkIdIfExistsAsync(): Promise<number|undefined> {
- try {
- const networkId = await this.getNetworkAsync();
- return Number(networkId);
- } catch (err) {
- return undefined;
- }
- }
- public async getBalanceInEthAsync(owner: string): Promise<BigNumber.BigNumber> {
- const balanceInWei = await promisify(this.web3.eth.getBalance)(owner);
- const balanceEth = this.web3.fromWei(balanceInWei, 'ether');
- return balanceEth;
- }
- public async doesContractExistAtAddressAsync(address: string): Promise<boolean> {
- const code = await promisify(this.web3.eth.getCode)(address);
- // Regex matches 0x0, 0x00, 0x in order to accomodate poorly implemented clients
- const zeroHexAddressRegex = /^0x0\{0,40\}$/i;
- 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);
- return signData;
- }
- public async getBlockTimestampAsync(blockHash: string): Promise<number> {
- const {timestamp} = await promisify(this.web3.eth.getBlock)(blockHash);
- return timestamp;
- }
- private async getNetworkAsync(): Promise<number> {
- const networkId = await promisify(this.web3.version.getNetwork)();
- return networkId;
- }
-}