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Ben Wilson
2023-06-10 19:59:21 -04:00
parent 15f481f61a
commit 35a38237eb
1 changed files with 15 additions and 21 deletions
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src/models/MiningJob.ts
+15 -21
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@@ -31,21 +31,21 @@ export class MiningJob {
this.ntime = Math.floor(new Date().getTime() / 1000).toString(); this.ntime = Math.floor(new Date().getTime() / 1000).toString();
this.clean_jobs = false; this.clean_jobs = false;
const { coinb1, coinb2, coinbaseData } = this.createCoinbaseTransaction('', blockTemplate.height);
console.log(coinbaseData);
const coinbaseHash = this.bufferToHex(this.sha256(coinbaseData));
this.coinb1 = coinb1;
this.coinb2 = coinb2;
const transactions = blockTemplate.transactions.map(tx => tx.hash); const transactions = blockTemplate.transactions.map(tx => tx.hash);
const transactionFees = blockTemplate.transactions.reduce((pre, cur, i, arr) => { const transactionFees = blockTemplate.transactions.reduce((pre, cur, i, arr) => {
return pre + cur.fee; return pre + cur.fee;
}, 0); }, 0);
const miningReward = this.calculateMiningReward(blockTemplate.height);
console.log('TRANSACTION FEES', transactionFees); console.log('TRANSACTION FEES', transactionFees);
console.log('MINING REWARD', this.calculateMiningReward(blockTemplate.height)); console.log('MINING REWARD', miningReward);
const { coinbasePart1, coinbasePart2 } = this.createCoinbaseTransaction('', blockTemplate.height, transactionFees + miningReward);
this.coinb1 = coinbasePart1;
this.coinb2 = coinbasePart2;
const coinbaseHash = this.bufferToHex(this.sha256(this.coinb1 + this.coinb2));
transactions.unshift(coinbaseHash); transactions.unshift(coinbaseHash);
// Calculate merkle branch // Calculate merkle branch
@@ -58,15 +58,12 @@ export class MiningJob {
for (const layer of layers) { for (const layer of layers) {
branch.push(this.bufferToHex(layer[0])); branch.push(this.bufferToHex(layer[0]));
} }
//console.log(branch); //console.log(branch);
this.merkle_branch = branch; this.merkle_branch = branch;
} }
private calculateMiningReward(blockHeight: number): number { private calculateMiningReward(blockHeight: number): number {
const initialBlockReward = 50 * 1e8; // Initial block reward in satoshis (1 BTC = 100 million satoshis) const initialBlockReward = 50 * 1e8; // Initial block reward in satoshis (1 BTC = 100 million satoshis)
const halvingInterval = 210000; // Number of blocks after which the reward halves const halvingInterval = 210000; // Number of blocks after which the reward halves
@@ -84,7 +81,7 @@ export class MiningJob {
return buffer.toString('hex'); return buffer.toString('hex');
} }
private createCoinbaseTransaction(address: string, blockHeight: number): { coinb1: string, coinb2: string, coinbaseData: any } { private createCoinbaseTransaction(address: string, blockHeight: number, reward: number): { coinbasePart1: string, coinbasePart2: string } {
// Generate coinbase script // Generate coinbase script
const coinbaseScript = `03${blockHeight.toString(16).padStart(8, '0')}54696d652026204865616c74682021`; const coinbaseScript = `03${blockHeight.toString(16).padStart(8, '0')}54696d652026204865616c74682021`;
@@ -101,14 +98,11 @@ export class MiningJob {
const script = '1976a914' + address + '88ac'; // Change this to your desired output script const script = '1976a914' + address + '88ac'; // Change this to your desired output script
const locktime = '00000000'; const locktime = '00000000';
// Combine coinb1 and coinb2 // Combine coinbasePart1 and coinbasePart2
const coinb1 = version + coinbaseTransaction + outputCount + satoshis; const coinbasePart1 = version + coinbaseTransaction + outputCount + satoshis;
const coinb2 = script + locktime; const coinbasePart2 = script + locktime;
const coinbaseData = version + coinbaseTransaction + outputCount + satoshis + script + locktime; return { coinbasePart1, coinbasePart2 };
return { coinb1, coinb2, coinbaseData };
} }
private sha256(data) { private sha256(data) {