@btc-vision/transaction/build/signer/ParallelSignerAdapter.js

OPNet transaction library allows you to create and sign transactions for the OPNet network.

import { createPrivateKey, createPublicKey } from '@btc-vision/ecpair';
/**
 * Wraps an untweaked UniversalSigner as PsbtParallelKeyPair.
 * Used for script-path signing (raw private key needed).
 */
export function toParallelKeyPair(signer) {
    return {
        publicKey: signer.publicKey,
        getPrivateKey() {
            if (!signer.privateKey) {
                throw new Error('Signer does not have a private key');
            }
            return createPrivateKey(signer.privateKey);
        },
        sign(hash, lowR) {
            return signer.sign(hash, lowR);
        },
        signSchnorr(hash) {
            if (!signer.signSchnorr) {
                throw new Error('Signer does not support Schnorr signing');
            }
            return signer.signSchnorr(hash);
        },
    };
}
/**
 * Creates a hybrid adapter with untweaked publicKey (for PSBT input matching)
 * but tweaked privateKey (for correct key-path Schnorr signatures).
 * Uses createPrivateKey/createPublicKey for branded type validation.
 */
export function toTweakedParallelKeyPair(untweakedSigner, tweakedSigner) {
    return {
        publicKey: createPublicKey(untweakedSigner.publicKey),
        getPrivateKey() {
            if (!tweakedSigner.privateKey) {
                throw new Error('Tweaked signer does not have a private key');
            }
            return createPrivateKey(tweakedSigner.privateKey);
        },
        sign(hash, lowR) {
            return tweakedSigner.sign(hash, lowR);
        },
        signSchnorr(hash) {
            if (!tweakedSigner.signSchnorr) {
                throw new Error('Tweaked signer does not support Schnorr signing');
            }
            return tweakedSigner.signSchnorr(hash);
        },
    };
}
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