multicoin-address-validator-ts/lib/bip173_validator.js

Multicoin address validator for Bitcoin and other Altcoins. TS version

"use strict";
var bech32 = require('./crypto/bech32');
// bip 173 bech 32 addresses (https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki)
module.exports = {
    isValidAddress: function (address, currency, opts) {
        if (opts === void 0) { opts = {}; }
        var _a = opts.networkType, networkType = _a === void 0 ? 'prod' : _a;
        var decoded = bech32.decode(address, bech32.encodings.BECH32);
        if (!decoded) {
            return false;
        }
        var bech32Hrp = decoded.hrp;
        var correctBech32Hrps;
        if (networkType === 'prod' || networkType === 'testnet') {
            correctBech32Hrps = currency.bech32Hrp[networkType];
        }
        else if (currency.bech32Hrp) {
            correctBech32Hrps = currency.bech32Hrp.prod.concat(currency.bech32Hrp.testnet);
        }
        else {
            return false;
        }
        if (correctBech32Hrps.indexOf(bech32Hrp) === -1) {
            return false;
        }
        return true;
    }
};