dotbit
Version:
A complete .bit SDK and utilities in TypeScript
71 lines • 2.32 kB
JavaScript
import { CoinType } from '../const';
import { isAddress } from 'ethers';
import GraphemeSplitter from 'grapheme-splitter';
import { validate } from 'multicoin-address-validator';
import { SignTypedDataVersion, TypedDataUtils } from '@metamask/eth-sig-util';
export function mmJsonHashAndChainIdHex(typedData, chainId) {
const mmHash = TypedDataUtils.eip712Hash(typedData, SignTypedDataVersion.V4).toString('hex');
const chainIdHex = chainId.toString(16).padStart(16, '0');
return mmHash + chainIdHex;
}
export function pad0x(str) {
return str.startsWith('0x') ? str : `0x${str}`;
}
export function remove0x(str) {
return str.startsWith('0x') ? str.substring(2) : str;
}
export function isEmptyAddress(address) {
return !address || address === '0x' || address === '0x0' || address === '0x0000000000000000000000000000000000000000';
}
export function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
export function isTronAddress(address) {
try {
return address.length !== 42 && validate(address, 'Tron');
}
catch (err) {
console.warn(`invalid Tron address: ${address}`);
return false;
}
}
export function isEthAddress(address) {
try {
return /^(0x|0X)[0-9a-f]{40}$/i.test(address) && isAddress(address);
}
catch (err) {
console.warn(`invalid ETH address: ${address}`);
return false;
}
}
export function checkKeyInfo(keyInfo) {
let ret;
if ([CoinType.ETH, CoinType.MATIC, CoinType.BSC].includes(keyInfo.coin_type)) {
if (isEthAddress(keyInfo.key)) {
ret = true;
}
else {
console.warn(`invalid ETH address: ${keyInfo.key}`);
ret = false;
}
}
else if (keyInfo.coin_type === CoinType.TRX) {
if (isTronAddress(keyInfo.key)) {
ret = true;
}
else {
console.warn(`invalid Tron address: ${keyInfo.key}`);
ret = false;
}
}
return ret;
}
export function stringVisualLength(str) {
const splitter = new GraphemeSplitter();
const split = splitter.splitGraphemes(str);
return split.length;
}
export function matchDWebProtocol(str) {
return str.match(/^(ipns|ipfs|sia|arweave|ar|resilio):\/\/(.*)/);
}
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