83 lines
2.3 KiB
JavaScript
83 lines
2.3 KiB
JavaScript
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// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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import BigNumber from 'bignumber.js';
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import { api } from './parity';
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export function validateCode (source, retrieved) {
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const original = source.substr(12);
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const bytecode = retrieved.substr(12);
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const knownHash = api.util.sha3(original.slice(-1 * bytecode.length));
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const codeHash = api.util.sha3(bytecode);
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return knownHash === codeHash;
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}
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export function isValidNumber (number) {
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return number && !(new BigNumber(number)).isZero();
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}
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export function executeContract (logId, contract, funcName, options, values) {
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const func = contract.instance[funcName];
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return func
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.estimateGas(options, values)
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.then((gasEst) => {
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options.gas = gasEst.mul(1.2);
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return trackRequest(
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func.postTransaction(options, values),
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(error, data) => {
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if (error) {
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console.error(logId, error);
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} else {
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console.log(logId, data);
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}
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}
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);
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});
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}
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export function trackRequest (promise, callback) {
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return promise
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.then((requestId) => {
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callback(null, { state: 'checkRequest', requestId });
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return api.pollMethod('parity_checkRequest', requestId);
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})
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.then((txHash) => {
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callback(null, { state: 'getTransactionReceipt', txHash });
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return api.pollMethod('eth_getTransactionReceipt', txHash, (receipt) => {
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if (!receipt || !receipt.blockNumber || receipt.blockNumber.eq(0)) {
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return false;
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}
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return true;
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});
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})
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.then((receipt) => {
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callback(null, { state: 'hasReceipt', receipt });
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})
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.catch((error) => {
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callback(error);
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throw error;
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});
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}
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