bitcoinjs-lib/src/address.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const types = require("./types");
const bscript = require("./script");
const networks = require("./networks");
const payments = require("./payments");
const bech32 = require('bech32');
const bs58check = require('bs58check');
const typeforce = require('typeforce');
function fromBase58Check(address) {
    const payload = bs58check.decode(address);
    // TODO: 4.0.0, move to "toOutputScript"
    if (payload.length < 21)
        throw new TypeError(address + ' is too short');
    if (payload.length > 21)
        throw new TypeError(address + ' is too long');
    const version = payload.readUInt8(0);
    const hash = payload.slice(1);
    return { version: version, hash: hash };
}
exports.fromBase58Check = fromBase58Check;
function fromBech32(address) {
    const result = bech32.decode(address);
    const data = bech32.fromWords(result.words.slice(1));
    return {
        version: result.words[0],
        prefix: result.prefix,
        data: Buffer.from(data),
    };
}
exports.fromBech32 = fromBech32;
function toBase58Check(hash, version) {
    typeforce(types.tuple(types.Hash160bit, types.UInt8), arguments);
    const payload = Buffer.allocUnsafe(21);
    payload.writeUInt8(version, 0);
    hash.copy(payload, 1);
    return bs58check.encode(payload);
}
exports.toBase58Check = toBase58Check;
function toBech32(data, version, prefix) {
    const words = bech32.toWords(data);
    words.unshift(version);
    return bech32.encode(prefix, words);
}
exports.toBech32 = toBech32;
function fromOutputScript(output, network) {
    //TODO: Network
    network = network || networks.bitcoin;
    try {
        return payments.p2pkh({ output, network }).address;
    }
    catch (e) { }
    try {
        return payments.p2sh({ output, network }).address;
    }
    catch (e) { }
    try {
        return payments.p2wpkh({ output, network }).address;
    }
    catch (e) { }
    try {
        return payments.p2wsh({ output, network }).address;
    }
    catch (e) { }
    throw new Error(bscript.toASM(output) + ' has no matching Address');
}
exports.fromOutputScript = fromOutputScript;
function toOutputScript(address, network) {
    network = network || networks.bitcoin;
    let decodeBase58 = undefined;
    let decodeBech32 = undefined;
    try {
        decodeBase58 = fromBase58Check(address);
    }
    catch (e) { }
    if (decodeBase58) {
        if (decodeBase58.version === network.pubKeyHash)
            return payments.p2pkh({ hash: decodeBase58.hash }).output;
        if (decodeBase58.version === network.scriptHash)
            return payments.p2sh({ hash: decodeBase58.hash }).output;
    }
    else {
        try {
            decodeBech32 = fromBech32(address);
        }
        catch (e) { }
        if (decodeBech32) {
            if (decodeBech32.prefix !== network.bech32)
                throw new Error(address + ' has an invalid prefix');
            if (decodeBech32.version === 0) {
                if (decodeBech32.data.length === 20)
                    return payments.p2wpkh({ hash: decodeBech32.data }).output;
                if (decodeBech32.data.length === 32)
                    return payments.p2wsh({ hash: decodeBech32.data }).output;
            }
        }
    }
    throw new Error(address + ' has no matching Script');
}
exports.toOutputScript = toOutputScript;