diff options
Diffstat (limited to 'packages/contracts/deploy/src/utils/web3_wrapper.ts')
-rw-r--r-- | packages/contracts/deploy/src/utils/web3_wrapper.ts | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/packages/contracts/deploy/src/utils/web3_wrapper.ts b/packages/contracts/deploy/src/utils/web3_wrapper.ts deleted file mode 100644 index 0209da26d..000000000 --- a/packages/contracts/deploy/src/utils/web3_wrapper.ts +++ /dev/null @@ -1,132 +0,0 @@ -import BigNumber from 'bignumber.js'; -import promisify = require('es6-promisify'); -import * as _ from 'lodash'; -import * as Web3 from 'web3'; - -import {Contract} from './contract'; -import {ZeroExError} from './types'; - -export class Web3Wrapper { - private web3: Web3; - private defaults: Partial<Web3.TxData>; - private networkIdIfExists?: number; - private jsonRpcRequestId: number; - constructor(provider: Web3.Provider, defaults: Partial<Web3.TxData>) { - this.web3 = new Web3(); - this.web3.setProvider(provider); - this.defaults = defaults; - this.jsonRpcRequestId = 0; - } - public setProvider(provider: Web3.Provider) { - delete this.networkIdIfExists; - this.web3.setProvider(provider); - } - public isAddress(address: string): boolean { - return this.web3.isAddress(address); - } - public getContractFromAbi(abi: Web3.ContractAbi): Web3.Contract<Web3.ContractInstance> { - const contract = this.web3.eth.contract(abi); - return contract; - } - public async isSenderAddressAvailableAsync(senderAddress: string): Promise<boolean> { - const addresses = await this.getAvailableAddressesAsync(); - return _.includes(addresses, senderAddress); - } - public async getNodeVersionAsync(): Promise<string> { - const nodeVersion = await promisify(this.web3.version.getNode)(); - return nodeVersion; - } - public async getTransactionReceiptAsync(txHash: string): Promise<Web3.TransactionReceipt> { - const transactionReceipt = await promisify(this.web3.eth.getTransactionReceipt)(txHash); - return transactionReceipt; - } - public getCurrentProvider(): Web3.Provider { - return this.web3.currentProvider; - } - public async getNetworkIdIfExistsAsync(): Promise<number|undefined> { - if (!_.isUndefined(this.networkIdIfExists)) { - return this.networkIdIfExists; - } - - try { - const networkId = await this.getNetworkAsync(); - this.networkIdIfExists = Number(networkId); - return this.networkIdIfExists; - } catch (err) { - return undefined; - } - } - public toWei(ethAmount: BigNumber): BigNumber { - const balanceWei = this.web3.toWei(ethAmount, 'ether'); - return balanceWei; - } - public async getBalanceInWeiAsync(owner: string): Promise<BigNumber> { - let balanceInWei = await promisify(this.web3.eth.getBalance)(owner); - balanceInWei = new BigNumber(balanceInWei); - return balanceInWei; - } - public async doesContractExistAtAddressAsync(address: string): Promise<boolean> { - const code = await promisify(this.web3.eth.getCode)(address); - // Regex matches 0x0, 0x00, 0x in order to accommodate poorly implemented clients - const codeIsEmpty = /^0x0{0,40}$/i.test(code); - return !codeIsEmpty; - } - public async signTransactionAsync(address: string, message: string): Promise<string> { - const signData = await promisify(this.web3.eth.sign)(address, message); - return signData; - } - public async getBlockAsync(blockParam: string|Web3.BlockParam): Promise<Web3.BlockWithoutTransactionData> { - const block = await promisify(this.web3.eth.getBlock)(blockParam); - return block; - } - public async getBlockTimestampAsync(blockParam: string|Web3.BlockParam): Promise<number> { - const {timestamp} = await this.getBlockAsync(blockParam); - return timestamp; - } - public async getAvailableAddressesAsync(): Promise<string[]> { - const addresses: string[] = await promisify(this.web3.eth.getAccounts)(); - return addresses; - } - public async getLogsAsync(filter: Web3.FilterObject): Promise<Web3.LogEntry[]> { - let fromBlock = filter.fromBlock; - if (_.isNumber(fromBlock)) { - fromBlock = this.web3.toHex(fromBlock); - } - let toBlock = filter.toBlock; - if (_.isNumber(toBlock)) { - toBlock = this.web3.toHex(toBlock); - } - const serializedFilter = { - ...filter, - fromBlock, - toBlock, - }; - const payload = { - jsonrpc: '2.0', - id: this.jsonRpcRequestId++, - method: 'eth_getLogs', - params: [serializedFilter], - }; - const logs = await this.sendRawPayloadAsync(payload); - return logs; - } - public async estimateGasAsync(callData: Web3.CallData): Promise<number> { - const gasEstimate = await promisify(this.web3.eth.estimateGas)(callData); - return gasEstimate; - } - private getContractInstance<A extends Web3.ContractInstance>(abi: Web3.ContractAbi, address: string): A { - const web3ContractInstance = this.web3.eth.contract(abi).at(address); - const contractInstance = new Contract(web3ContractInstance, this.defaults) as any as A; - return contractInstance; - } - private async getNetworkAsync(): Promise<number> { - const networkId = await promisify(this.web3.version.getNetwork)(); - return networkId; - } - private async sendRawPayloadAsync(payload: Web3.JSONRPCRequestPayload): Promise<any> { - const sendAsync = this.web3.currentProvider.sendAsync.bind(this.web3.currentProvider); - const response = await promisify(sendAsync)(payload); - const result = response.result; - return result; - } -} |