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

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

import { concatBytes } from "@noble/hashes/utils";
import { createBase58VersionedDecoder } from "../utils/base58.js";
import { decodeBchAddressToTypeAndHash, encodeBchAddressWithVersion, } from "../utils/bch.js";
const name = "bch";
const coinType = 145;
const p2pkhVersions = [new Uint8Array([0x00])];
const p2shVersions = [new Uint8Array([0x05])];
const bchBase58Decode = createBase58VersionedDecoder(p2pkhVersions, p2shVersions);
export const encodeBchAddress = (source) => {
    if (source[0] === 0x76) {
        if (source[1] !== 0xa9 ||
            source[source.length - 2] !== 0x88 ||
            source[source.length - 1] !== 0xac)
            throw new Error("Unrecognised address format");
        return encodeBchAddressWithVersion(0, source.slice(3, 3 + source[2]));
    }
    if (source[0] === 0xa9) {
        if (source[source.length - 1] !== 0x87)
            throw new Error("Unrecognised address format");
        return encodeBchAddressWithVersion(8, source.slice(2, 2 + source[1]));
    }
    throw new Error("Unrecognised address format");
};
export const decodeBchAddress = (source) => {
    try {
        return bchBase58Decode(source);
    }
    catch {
        const { type, hash } = decodeBchAddressToTypeAndHash(source);
        if (type === 0)
            return concatBytes(new Uint8Array([0x76, 0xa9, 0x14]), new Uint8Array(hash), new Uint8Array([0x88, 0xac]));
        if (type === 8)
            return concatBytes(new Uint8Array([0xa9, 0x14]), new Uint8Array(hash), new Uint8Array([0x87]));
        throw new Error("Unrecognised address format");
    }
};
export const bch = {
    name,
    coinType,
    encode: encodeBchAddress,
    decode: decodeBchAddress,
};
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