antonilol / btc_stuff Goto Github PK

const bitcoin = require('bitcoinjs-lib');
const ecc = require('tiny-secp256k1');
const ecpair = require('ecpair');
const { buffer } = require('stream/consumers');

const TESTNET = bitcoin.networks.testnet;
const ECPair = ecpair.ECPairFactory(ecc);

const alice = ECPair.fromWIF(
    'xxx',
);

const address = bitcoin.payments.p2pkh({
    pubkey: alice.publicKey,
    network: TESTNET,
});


console.log("alice address", address.address);




const tx = new bitcoin.Transaction(TESTNET);



const txId = "c1e48b3ae44001fb1dddf2958b177ace2c640ce636c32860c85b82431fa3eb13";
const vout = 0;


tx.addInput(Buffer.from(txId, 'hex').reverse(), vout);

// 
// const sha256HashString = bitcoin.crypto.sha256(Buffer.from('Btrust Builders')).toString('hex');


const lockingScript = bitcoin.script.compile([
    bitcoin.opcodes.OP_ADD,
	bitcoin.opcodes.OP_13,
	bitcoin.opcodes.OP_EQUAL
]);


const decompiled = bitcoin.script.decompile(Buffer.from(lockingScript, 'hex')).toString('hex');
console.log('Decompiled Redeem Script:', decompiled);

const p2shAddress = bitcoin.payments.p2sh({
    redeem: { output: lockingScript },
    network: TESTNET
});

console.log('p2shAddress :', p2shAddress.address);


// 
// const outputValue = utxo.value - FEE; // 
tx.addOutput(
    bitcoin.address.toOutputScript(p2shAddress.address, TESTNET),
    800
);

console.log("output ScriptPubKey (HEX)", bitcoin.address.toOutputScript(p2shAddress.address, TESTNET));
const outputScript = bitcoin.address.toOutputScript(p2shAddress.address, TESTNET);
const asmCode = bitcoin.script.toASM(outputScript);
console.log('Output Script ASM:', asmCode);

// 
const hashType = bitcoin.Transaction.SIGHASH_ALL;



const utxoAddress = bitcoin.payments.p2pkh({ pubkey: alice.publicKey, network: TESTNET });
const p2pkhScriptPubKey = bitcoin.address.toOutputScript(utxoAddress.address, TESTNET); //
console.log('toOutputScript',p2pkhScriptPubKey);

const signatureHash = tx.hashForSignature(0, p2pkhScriptPubKey, hashType); // 
console.log("signatureHash",signatureHash.toString('hex'));


const signature = bitcoin.script.signature.encode(alice.sign(signatureHash), hashType);
console.log("signature",signature.toString('hex'));
const scriptSig = bitcoin.script.compile([
  signature,
  alice.publicKey  
]);


console.log("scriptSig",scriptSig.toString('hex'))   //

tx.setInputScript(0, scriptSig);

console.log('Tx Hex:', tx.toHex());

const bitcoin = require('bitcoinjs-lib');
const ecc = require('tiny-secp256k1');
const ecpair = require('ecpair');


const TESTNET = bitcoin.networks.testnet;
const ECPair = ecpair.ECPairFactory(ecc);

const alice = ECPair.fromWIF(
    'xxx',
);

const address = bitcoin.payments.p2pkh({
    pubkey: alice.publicKey,
    network: TESTNET,
});

console.log("alice address", address.address);


// 找到P2SH输出对应的UTXO
const p2shUtxo = {
    txId: "94b5a43de760c4e88c25a7b3642174d5e52a9b5b9334997ce4a50d2b2f8cefec",
    outputIndex: 0,
    address: "2ND8PB9RrfCaAcjfjP1Y6nAgFd9zWHYX4DN",
    value: 300
};



const pubKeyHash = bitcoin.crypto.hash256(alice.publicKey);
console.log("pubKeyHash",pubKeyHash);


const unlockingScript = bitcoin.script.compile([
    bitcoin.opcodes.OP_6,
	bitcoin.opcodes.OP_7,
    bitcoin.opcodes.OP_ADD,
	bitcoin.opcodes.OP_13,
	bitcoin.opcodes.OP_EQUAL

]);

// const data = Buffer.from('Btrust Builders');
const redeemTx = new bitcoin.Transaction(TESTNET);
redeemTx.addInput(Buffer.from(p2shUtxo.txId, 'hex').reverse(), p2shUtxo.outputIndex);
redeemTx.addOutput(bitcoin.address.toOutputScript(address.address, TESTNET), p2shUtxo.value);
// console.log(bitcoin.address.toOutputScript(address.address, TESTNET))  
redeemTx.setInputScript(0, unlockingScript);
console.log('Redeem Tx Hex:', redeemTx.toHex());