Transaction

j"19HxigV4QyBv3tHpQVcUEQyq1pzZVdoAutM­const axios = require('axios'); const bsv = require('bsv'); const chalk = require('chalk'); const prompt = require('prompt-async'); const boost = require('boostpow-js'); const PrivateKey = bsv.PrivateKey; const Opcode = bsv.Opcode; const Transaction = bsv.Transaction; const BN = bsv.crypto.BN; const cryptoRandomString = require('crypto-random-string'); const sigtype = bsv.crypto.Signature.SIGHASH_ALL | bsv.crypto.Signature.SIGHASH_FORKID; const flags = bsv.Script.Interpreter.SCRIPT_VERIFY_MINIMALDATA | bsv.Script.Interpreter.SCRIPT_ENABLE_SIGHASH_FORKID | bsv.Script.Interpreter.SCRIPT_ENABLE_MAGNETIC_OPCODES | bsv.Script.Interpreter.SCRIPT_ENABLE_MONOLITH_OPCODES; /* function sign(tx, target=''){ const privKey = PrivateKey.fromRandom(); console.log('toString', tx.toString()); const signature = Transaction.sighash.sign(tx, privKey, sigtype, 0, tx.inputs[0].output.script, new bsv.crypto.BN(tx.inputs[0].output.satoshis), flags); if(target!=''){ const sig256 = bsv.crypto.Hash.sha256(Buffer.concat([signature.toBuffer(), Buffer.from(sigtype.toString(16), 'hex')])).toString('hex'); if(!sig256.startsWith(target)){ process.stdout.clearLine(); process.stdout.cursorTo(0); process.stdout.write(chalk.red(sig256)); return(false); } else { console.log(); console.log(chalk.green(sig256)); } } const unlockingScript = new bsv.Script({}); unlockingScript .add( Buffer.concat([ signature.toBuffer(), Buffer.from([sigtype & 0xff]) ]) ) .add(privKey.toPublicKey().toBuffer()); tx.inputs[0].setScript(unlockingScript); console.log(chalk.green(`Signed ${target} with ${privKey.toString()}`)); return tx; } */ const start = async() => { try { const {txid} = await prompt.get(["txid"]); if(txid === 'exit') return; let boostJob; try { boostJob = await boost.Graph().loadBoostJob(txid); } catch(e) { throw(e); } console.log('Sample public and private key'); const privKey = PrivateKey.fromRandom(); console.log('privateKey: ', privKey, privKey.toBuffer().toString('hex')); const publicKey = privKey.toPublicKey(); console.log('publicKey Buffer: ', publicKey.toBuffer().toString('hex')); console.log('publicKeyHash: ', publicKey.toAddress().toBuffer().toString('hex')); console.log('Found Boost Job', 'ScriptHash', boostJob.getScriptHash(), 'Data', boostJob, boostJob.toObject(), 'Txid', boostJob.getTxid()); // // '0511ec53f1cfcb0b348b8349b940900672259a46b78807b80e07aa846f506d32', // time: '00000000', // nonce: '00000000', // extraNonce1: '00000000', // extraNonce2: '00000000', // minerPubKeyHash: 'a0aa1de2a8c424fa20cf453101125e37d8ac3cf0' }); // Test public key: 0511ec53f1cfcb0b348b8349b940900672259a46b78807b80e07aa846f506d32 let {toPublicKey} = await prompt.get(["toPublicKey"]); if(txid === 'exit') return; //let them exit if(!toPublicKey.length){ throw("No public key found."); } try { toPublicKey = bsv.PublicKey.fromHex(toPublicKey); } catch(e){ throw("Invalid public key"); } console.log('Public key address: ', toPublicKey.toAddress(),toPublicKey._getID()); console.log("Automatically publish when mined? Y/N"); let {publish} = await prompt.get(["publish"]); publish = (publish.toLowerCase()[0] == 'y') ? true : false; console.log(chalk.green(`Mining TX ${boostJob.getTxid()} output ${boostJob.getVout()}`)); console.log(chalk.green(`Pay to: ${toPublicKey.toAddress()}`)); mineId(boostJob, toPublicKey, publish); } catch(e){ console.log(chalk.red(e)); start(); } } const mineId = async(boostJob, toPublicKey, publish) => { let tx = new Transaction(); tx.addInput( new Transaction.Input({ output: new Transaction.Output({ script: boostJob.toScript(), satoshis: boostJob.getValue() }), prevTxId: boostJob.getTxid(), outputIndex: boostJob.getVout(), script: bsv.Script.empty() }) ); // Initialize the Boost Job Proof console.log('publicKeyBuffer', toPublicKey.toBuffer().toString('hex'), 'addressBuffer', toPublicKey.toAddress().toBuffer().toString('hex')) const jobProof = boost.BoostPowJobProof.fromObject({ signature: '0000000000000000000000000000000000000000000000000000000000000006', minerPubKeyHash: toPublicKey.toAddress().toBuffer().toString('hex').substring(2), // '0000000000000000000000000000000000000001', extraNonce1: "00000002", extraNonce2: "00000003", minerPubKey: '0000000000000000000000000000000000000000000000000000000000000006', time: '12300009', nonce: '00000005', minerPubKey: toPublicKey.toBuffer().toString('hex'), }); console.log('jobProof', jobProof.toObject()); jobProof.setExtraNonce1(cryptoRandomString({length: 8})); jobProof.setExtraNonce2(cryptoRandomString({length: 8})); jobProof.setNonce(cryptoRandomString({length: 8})); jobProof.setTime(Math.round((new Date()).getTime() / 1000).toString(16)); tx.addOutput( new Transaction.Output({ satoshis: boostJob.getValue() - 00, script: toPublicKey.toAddress().toBuffer().toString('hex') }) ); console.log(chalk.green(`Target Difficulty: ${boostJob.getDiff()}`)); let boostPowString; let counter = 0; debugLevel = 1; console.log('jobProof', jobProof.toObject()); while (!boostPowString) { jobProof.setExtraNonce1(cryptoRandomString({length: 8})); jobProof.setExtraNonce2(cryptoRandomString({length: 8})); jobProof.setNonce(cryptoRandomString({length: 8})); jobProof.setTime(Math.round((new Date()).getTime() / 1000).toString(16)); boostPowString = boost.BoostPowJob.tryValidateJobProof(boostJob, jobProof); if (counter++ % 500000 === 0 ) { if (debugLevel >= 1) { console.log('Hashes checked: ', counter); } } } console.log('Found Boost Pow String!', boostPowString.toString(), boostPowString.toObject(), jobProof.toObject()); console.log(chalk.yellow(boostPowString.toString())); console.log('We will create and publish tx later.... Save the above string!'); /* Figure out signing stuff later. let newTX; while(!newTX){ newTX = sign(tx, target); }*/ /*if(!!publish){ try { const {data} = await axios.post('https://api.whatsonchain.com/v1/bsv/main/tx/raw', { txhex: newTX.uncheckedSerialize() }); console.log(chalk.green('Published ' + Buffer.from(newTX._getHash()).reverse().toString('hex'))); } catch(e) { console.log(chalk.red(JSON.stringify({error: e.response.data}))); } } else { return; }*/ } start();application/octet-streambinary8index.js.falsea6305ba0-c05d-11ea-83f5-8bbbaee6822b.false