@arklabs/wallet-sdk/dist/cjs/identity/inMemoryKey.js

Bitcoin wallet SDK with Taproot and Ark integration

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.InMemoryKey = void 0;
const utils_1 = require("@scure/btc-signer/utils");
const base_1 = require("@scure/base");
const signingSession_1 = require("../tree/signingSession");
const ZERO_32 = new Uint8Array(32).fill(0);
class InMemoryKey {
    constructor(key) {
        this.key = key || (0, utils_1.randomPrivateKeyBytes)();
    }
    static fromPrivateKey(privateKey) {
        return new InMemoryKey(privateKey);
    }
    static fromHex(privateKeyHex) {
        return new InMemoryKey(base_1.hex.decode(privateKeyHex));
    }
    async sign(tx, inputIndexes) {
        const txCpy = tx.clone();
        if (!inputIndexes) {
            if (!txCpy.sign(this.key, undefined, ZERO_32)) {
                throw new Error("Failed to sign transaction");
            }
            return txCpy;
        }
        for (const inputIndex of inputIndexes) {
            if (!txCpy.signIdx(this.key, inputIndex, undefined, ZERO_32)) {
                throw new Error(`Failed to sign input #${inputIndex}`);
            }
        }
        return txCpy;
    }
    xOnlyPublicKey() {
        return (0, utils_1.pubSchnorr)(this.key);
    }
    signerSession() {
        return signingSession_1.TreeSignerSession.random();
    }
}
exports.InMemoryKey = InMemoryKey;