@pharosnames/address-encoder/dist/esm/coin/wan.js

Encodes and decodes address formats for various cryptocurrencies with Pharos network support

import { keccak_256 } from "@noble/hashes/sha3";
import { bytesToHexWithoutPrefix, hexToBytes, stringToBytes, } from "../utils/bytes.js";
import { isAddress } from "../utils/hex.js";
const name = "wan";
const coinType = 5718350;
const wanChecksum = (addressBytes) => {
    const addressStr = bytesToHexWithoutPrefix(addressBytes);
    const address = addressStr.split("");
    const hash = keccak_256(stringToBytes(addressStr));
    let hashByte;
    for (let i = 0; i < 40; i++) {
        hashByte = hash[Math.floor(i / 2)];
        if (i % 2 === 0)
            hashByte = hashByte >> 4;
        else
            hashByte &= 0xf;
        if (address[i] > "9" && hashByte <= 7)
            address[i] = address[i].toUpperCase();
    }
    return `0x${address.join("")}`;
};
export const encodeWanAddress = (source) => {
    return wanChecksum(source);
};
export const decodeWanAddress = (source) => {
    if (!isAddress(source))
        throw new Error("Unrecognised address format");
    const bytes = hexToBytes(source);
    if (wanChecksum(bytes) !== source)
        throw new Error("Unrecognised address format");
    return bytes;
};
export const wan = {
    name,
    coinType,
    encode: encodeWanAddress,
    decode: decodeWanAddress,
};
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