144 lines
3.3 KiB
JavaScript
144 lines
3.3 KiB
JavaScript
// Copyright 2015, 2016 Ethcore (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 { isArray, isHex, isInstanceOf, isString } from '../util/types';
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export function inAddress (address) {
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// TODO: address validation if we have upper-lower addresses
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return inHex(address);
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}
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export function inBlockNumber (blockNumber) {
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if (isString(blockNumber)) {
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switch (blockNumber) {
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case 'earliest':
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case 'latest':
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case 'pending':
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return blockNumber;
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}
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}
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return inNumber16(blockNumber);
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}
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export function inData (data) {
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if (data && data.length && !isHex(data)) {
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data = data.split('').map((chr) => {
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return `0${chr.charCodeAt(0).toString(16)}`.slice(-2);
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}).join('');
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}
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return inHex(data);
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}
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export function inHash (hash) {
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return inHex(hash);
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}
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export function inTopics (_topics) {
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let topics = (_topics || [])
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.filter((topic) => topic)
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.map(inHex);
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while (topics.length < 4) {
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topics.push(null);
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}
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return topics;
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}
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export function inFilter (options) {
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if (options) {
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Object.keys(options).forEach((key) => {
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switch (key) {
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case 'address':
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if (isArray(options[key])) {
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options[key] = options[key].map(inAddress);
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} else {
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options[key] = inAddress(options[key]);
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}
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break;
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case 'fromBlock':
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case 'toBlock':
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options[key] = inBlockNumber(options[key]);
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break;
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case 'limit':
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options[key] = inNumber10(options[key]);
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break;
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case 'topics':
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options[key] = inTopics(options[key]);
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}
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});
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}
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return options;
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}
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export function inHex (str) {
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if (str && str.substr(0, 2) === '0x') {
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return str.toLowerCase();
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}
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return `0x${(str || '').toLowerCase()}`;
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}
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export function inNumber10 (number) {
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if (isInstanceOf(number, BigNumber)) {
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return number.toNumber();
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}
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return (new BigNumber(number || 0)).toNumber();
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}
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export function inNumber16 (number) {
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if (isInstanceOf(number, BigNumber)) {
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return inHex(number.toString(16));
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}
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return inHex((new BigNumber(number || 0)).toString(16));
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}
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export function inOptions (options) {
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if (options) {
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Object.keys(options).forEach((key) => {
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switch (key) {
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case 'from':
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case 'to':
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options[key] = inAddress(options[key]);
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break;
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case 'gas':
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case 'gasPrice':
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case 'value':
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case 'nonce':
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options[key] = inNumber16(options[key]);
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break;
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case 'data':
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options[key] = inData(options[key]);
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break;
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}
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});
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}
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return options;
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}
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