bitcore-wallet-service
Version:
A service for Mutisig HD Bitcoin Wallets
92 lines • 3.8 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Copayer = void 0;
const common_1 = require("../common");
const address_1 = require("./address");
const addressmanager_1 = require("./addressmanager");
const $ = require('preconditions').singleton();
const sjcl = require('sjcl');
const Constants = common_1.Common.Constants, Defaults = common_1.Common.Defaults, Utils = common_1.Common.Utils;
class Copayer {
static _xPubToCopayerId(coin, xpub) {
const str = coin == Defaults.COIN ? xpub : coin + xpub;
const hash = sjcl.hash.sha256.hash(str);
return sjcl.codec.hex.fromBits(hash);
}
static create(opts) {
opts = opts || {};
if (!opts.hardwareSourcePublicKey && !opts.clientDerivedPublicKey) {
$.checkArgument(opts.xPubKey, 'Missing copayer extended public key');
}
$.checkArgument(opts.requestPubKey, 'Missing copayer request public key')
.checkArgument(opts.signature, 'Missing copayer request public key signature');
$.checkArgument(Utils.checkValueInCollection(opts.coin, Constants.CHAINS));
opts.copayerIndex = opts.copayerIndex || 0;
const x = new Copayer();
x.version = 2;
x.createdOn = Math.floor(Date.now() / 1000);
x.coin = opts.coin;
x.chain = opts.chain || opts.coin;
x.xPubKey = opts.xPubKey;
x.hardwareSourcePublicKey = opts.hardwareSourcePublicKey;
x.clientDerivedPublicKey = opts.clientDerivedPublicKey;
x.id = Copayer._xPubToCopayerId(opts.chain, x.xPubKey);
x.name = opts.name;
x.requestPubKey = opts.requestPubKey;
x.signature = opts.signature;
x.requestPubKeys = [
{
key: opts.requestPubKey,
signature: opts.signature
}
];
const derivationStrategy = opts.derivationStrategy || Constants.DERIVATION_STRATEGIES.BIP45;
if (addressmanager_1.AddressManager.supportsCopayerBranches(derivationStrategy)) {
x.addressManager = addressmanager_1.AddressManager.fromObj({
derivationStrategy,
copayerIndex: opts.copayerIndex
});
}
x.customData = opts.customData;
return x;
}
static fromObj(obj) {
const x = new Copayer();
x.version = obj.version;
x.createdOn = obj.createdOn;
x.coin = obj.coin || Defaults.COIN;
x.chain = obj.chain || x.coin;
x.id = obj.id;
x.name = obj.name;
x.xPubKey = obj.xPubKey;
x.hardwareSourcePublicKey = obj.hardwareSourcePublicKey;
x.clientDerivedPublicKey = obj.clientDerivedPublicKey;
x.requestPubKey = obj.requestPubKey;
x.signature = obj.signature;
if (parseInt(x.version.toString()) == 1) {
x.requestPubKeys = [
{
key: x.requestPubKey,
signature: x.signature
}
];
x.version = 2;
}
else {
x.requestPubKeys = obj.requestPubKeys;
}
if (obj.addressManager) {
x.addressManager = addressmanager_1.AddressManager.fromObj(obj.addressManager);
}
x.customData = obj.customData;
return x;
}
createAddress(wallet, isChange) {
$.checkState(wallet.isComplete(), 'Failed state: wallet incomplete at <createAddress()>');
const path = this.addressManager.getNewAddressPath(isChange);
const address = address_1.Address.derive(wallet.id, wallet.addressType, wallet.publicKeyRing, path, wallet.m, wallet.coin, wallet.network, isChange, wallet.chain);
return address;
}
}
exports.Copayer = Copayer;
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