@bitgo/utxo-lib
Version:
Client-side Bitcoin JavaScript library
47 lines • 7.61 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.WalletUnspentSigner = void 0;
const WalletKeys_1 = require("./WalletKeys");
class WalletUnspentSigner {
static from(walletKeys, signer, cosigner) {
return new WalletUnspentSigner(walletKeys, signer, cosigner);
}
constructor(walletKeys, signer, cosigner) {
this.signer = signer;
this.cosigner = cosigner;
if (Array.isArray(walletKeys)) {
walletKeys = new WalletKeys_1.RootWalletKeys(walletKeys);
}
this.signerIndex = walletKeys.triple.findIndex((k) => (0, WalletKeys_1.eqPublicKey)(k, signer));
if (this.signerIndex === undefined) {
throw new Error(`signer not part of walletKeys`);
}
this.cosignerIndex = walletKeys.triple.findIndex((k) => (0, WalletKeys_1.eqPublicKey)(k, cosigner));
if (this.cosignerIndex === undefined) {
throw new Error(`cosigner not part of walletKeys`);
}
this.walletKeys = walletKeys;
if ((0, WalletKeys_1.eqPublicKey)(signer, cosigner)) {
throw new Error(`signer must not equal cosigner`);
}
if (signer.isNeutered()) {
throw new Error(`signer must have private key`);
}
}
/**
* @param chain
* @param index
* @return WalletUnspentSigner that contains keys for generating output scripts and signatures.
*/
deriveForChainAndIndex(chain, index) {
if (this.walletKeys instanceof WalletKeys_1.DerivedWalletKeys) {
throw new Error(`cannot derive again from DerivedWalletKeys`);
}
if (this.walletKeys instanceof WalletKeys_1.RootWalletKeys) {
return new WalletUnspentSigner(this.walletKeys.deriveForChainAndIndex(chain, index), this.signer.derivePath(this.walletKeys.getDerivationPath(this.signer, chain, index)), this.cosigner.derivePath(this.walletKeys.getDerivationPath(this.cosigner, chain, index)));
}
throw new Error(`invalid state`);
}
}
exports.WalletUnspentSigner = WalletUnspentSigner;
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