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

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

import { equalBytes } from "@noble/curves/abstract/utils";
import { blake2b } from "@noble/hashes/blake2b";
import { concatBytes } from "@noble/hashes/utils";
import { bytesToHexWithoutPrefix, hexWithoutPrefixToBytes, } from "../utils/bytes.js";
const name = "sc";
const coinType = 1991;
const length = 32;
const checksumLength = 6;
const scChecksum = (source) => blake2b(source, { dkLen: length }).slice(0, checksumLength);
export const encodeScAddress = (source) => {
    const checksum = scChecksum(source);
    return bytesToHexWithoutPrefix(concatBytes(source, checksum));
};
export const decodeScAddress = (source) => {
    if (source.length !== 76)
        throw new Error("Unrecognised address format");
    const decoded = hexWithoutPrefixToBytes(source);
    const payload = decoded.slice(0, -checksumLength);
    const checksum = decoded.slice(-checksumLength);
    const newChecksum = scChecksum(payload);
    if (!equalBytes(checksum, newChecksum))
        throw new Error("Unrecognised address format");
    return payload;
};
export const sc = {
    name,
    coinType,
    encode: encodeScAddress,
    decode: decodeScAddress,
};
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