openethereum/js/src/api/format/input.js
Jaco Greeff dadd6b1e7c Correct parameters for eth_sign (#2703)
* Cherry-pick eth_sign update/fix

* Correct sign documentation (signs txhash)
2016-10-19 11:04:26 +02:00

144 lines
3.3 KiB
JavaScript

// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
import BigNumber from 'bignumber.js';
import { isArray, isHex, isInstanceOf, isString } from '../util/types';
export function inAddress (address) {
// TODO: address validation if we have upper-lower addresses
return inHex(address);
}
export function inBlockNumber (blockNumber) {
if (isString(blockNumber)) {
switch (blockNumber) {
case 'earliest':
case 'latest':
case 'pending':
return blockNumber;
}
}
return inNumber16(blockNumber);
}
export function inData (data) {
if (data && data.length && !isHex(data)) {
data = data.split('').map((chr) => {
return `0${chr.charCodeAt(0).toString(16)}`.slice(-2);
}).join('');
}
return inHex(data);
}
export function inHash (hash) {
return inHex(hash);
}
export function inTopics (_topics) {
let topics = (_topics || [])
.filter((topic) => topic)
.map(inHex);
while (topics.length < 4) {
topics.push(null);
}
return topics;
}
export function inFilter (options) {
if (options) {
Object.keys(options).forEach((key) => {
switch (key) {
case 'address':
if (isArray(options[key])) {
options[key] = options[key].map(inAddress);
} else {
options[key] = inAddress(options[key]);
}
break;
case 'fromBlock':
case 'toBlock':
options[key] = inBlockNumber(options[key]);
break;
case 'limit':
options[key] = inNumber10(options[key]);
break;
case 'topics':
options[key] = inTopics(options[key]);
}
});
}
return options;
}
export function inHex (str) {
if (str && str.substr(0, 2) === '0x') {
return str.toLowerCase();
}
return `0x${(str || '').toLowerCase()}`;
}
export function inNumber10 (number) {
if (isInstanceOf(number, BigNumber)) {
return number.toNumber();
}
return (new BigNumber(number || 0)).toNumber();
}
export function inNumber16 (number) {
if (isInstanceOf(number, BigNumber)) {
return inHex(number.toString(16));
}
return inHex((new BigNumber(number || 0)).toString(16));
}
export function inOptions (options) {
if (options) {
Object.keys(options).forEach((key) => {
switch (key) {
case 'from':
case 'to':
options[key] = inAddress(options[key]);
break;
case 'gas':
case 'gasPrice':
case 'value':
case 'nonce':
options[key] = inNumber16(options[key]);
break;
case 'data':
options[key] = inData(options[key]);
break;
}
});
}
return options;
}