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update postgresql branch

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Ben
2026-05-07 23:45:07 -04:00
parent cc0ca3979e
commit 327be48ade
23 changed files with 8817 additions and 8406 deletions
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src/models/MiningJob.ts
+39 -4
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@@ -16,6 +16,9 @@ export class MiningJob {
private coinbaseTransaction: bitcoinjs.Transaction;
private coinbasePart1: string;
private coinbasePart2: string;
private coinbasePart1Buffer: Buffer;
private coinbasePart2Buffer: Buffer;
private merkleBranchBuffers: Buffer[];
public jobTemplateId: string;
public networkDifficulty: number;
@@ -30,6 +33,7 @@ export class MiningJob {
this.creation = new Date().getTime();
this.jobTemplateId = jobTemplate.blockData.id;
this.merkleBranchBuffers = jobTemplate.merkle_branch.map(branch => Buffer.from(branch, 'hex'));
this.coinbaseTransaction = this.createCoinbaseTransaction(payoutInformation, jobTemplate.blockData.coinbasevalue);
@@ -68,10 +72,41 @@ export class MiningJob {
this.coinbasePart1 = serializedCoinbaseTx.slice(0, partOneIndex - (TOTAL_EXTRANONCE_SIZE_BYTES * 2));
this.coinbasePart2 = serializedCoinbaseTx.slice(partOneIndex);
this.coinbasePart1Buffer = Buffer.from(this.coinbasePart1, 'hex');
this.coinbasePart2Buffer = Buffer.from(this.coinbasePart2, 'hex');
}
public cloneCoinbaseTransaction(): bitcoinjs.Transaction {
return bitcoinjs.Transaction.fromBuffer(this.coinbaseTransaction.toBuffer());
}
public buildHeaderBuffer(jobTemplate: IJobTemplate, versionMask: number, nonce: number, extraNonce: string, extraNonce2: string, timestamp: number): Buffer {
const coinbaseBuffer = Buffer.concat([
this.coinbasePart1Buffer,
Buffer.from(`${extraNonce}${extraNonce2}`, 'hex'),
this.coinbasePart2Buffer,
]);
const coinbaseHash = bitcoinjs.crypto.hash256(coinbaseBuffer);
const merkleRoot = this.calculateMerkleRootHash(coinbaseHash, this.merkleBranchBuffers);
let version = jobTemplate.block.version;
if (versionMask !== undefined && versionMask != 0) {
version = version ^ versionMask;
}
const header = Buffer.alloc(80);
header.writeInt32LE(version, 0);
jobTemplate.block.prevHash.copy(header, 4);
merkleRoot.copy(header, 36);
header.writeUInt32LE(timestamp, 68);
header.writeUInt32LE(jobTemplate.block.bits, 72);
header.writeUInt32LE(nonce, 76);
return header;
}
public copyAndUpdateBlock(jobTemplate: IJobTemplate, versionMask: number, nonce: number, extraNonce: string, extraNonce2: string, timestamp: number): bitcoinjs.Block {
const testBlock = Object.assign(new bitcoinjs.Block(), jobTemplate.block);
@@ -79,7 +114,7 @@ export class MiningJob {
return Object.assign(new bitcoinjs.Transaction(), tx);
});
testBlock.transactions[0] = this.coinbaseTransaction;
testBlock.transactions[0] = this.cloneCoinbaseTransaction();
testBlock.nonce = nonce;
@@ -94,7 +129,7 @@ export class MiningJob {
testBlock.transactions[0].ins[0].script = Buffer.from(`${nonceScript.substring(0, nonceScript.length - (TOTAL_EXTRANONCE_SIZE_BYTES * 2))}${extraNonce}${extraNonce2}`, 'hex');
//recompute the root since we updated the coinbase script with the nonces
testBlock.merkleRoot = this.calculateMerkleRootHash(testBlock.transactions[0].getHash(false), jobTemplate.merkle_branch);
testBlock.merkleRoot = this.calculateMerkleRootHash(testBlock.transactions[0].getHash(false), this.merkleBranchBuffers);
testBlock.timestamp = timestamp;
@@ -103,14 +138,14 @@ export class MiningJob {
}
private calculateMerkleRootHash(newRoot: Buffer, merkleBranches: string[]): Buffer {
private calculateMerkleRootHash(newRoot: Buffer, merkleBranches: Buffer[]): Buffer {
const bothMerkles = Buffer.alloc(64);
bothMerkles.set(newRoot);
for (let i = 0; i < merkleBranches.length; i++) {
bothMerkles.set(Buffer.from(merkleBranches[i], 'hex'), 32);
bothMerkles.set(merkleBranches[i], 32);
newRoot = bitcoinjs.crypto.hash256(bothMerkles);
bothMerkles.set(newRoot);
}