@pharosnames/address-encoder/dist/esm/utils/byron.js

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

import { base58UncheckedDecode, base58UncheckedEncode } from "./base58.js";
import { TaggedValue, cborDecode, cborEncode } from "./cbor.js";
import { crc32 } from "./crc32.js";
export const byronEncode = (source) => {
    const checksum = crc32(source);
    const taggedValue = new TaggedValue(source.buffer, 24);
    const cborEncodedAddress = cborEncode([taggedValue, checksum]);
    const address = base58UncheckedEncode(new Uint8Array(cborEncodedAddress));
    if (!address.startsWith("Ae2") && !address.startsWith("Ddz"))
        throw new Error("Unrecognised address format");
    return address;
};
export const byronDecode = (source) => {
    const bytes = base58UncheckedDecode(source);
    const cborDecoded = cborDecode(bytes.buffer);
    const taggedAddress = cborDecoded[0];
    if (taggedAddress === undefined)
        throw new Error("Unrecognised address format");
    const checksum = cborDecoded[1];
    const newChecksum = crc32(taggedAddress.value);
    if (checksum !== newChecksum)
        throw new Error("Unrecognised address format");
    return taggedAddress.value;
};
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