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cleanup and change sewit witness output to its own tx

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Ben
2023-07-02 19:22:33 -04:00
parent b147eff49a
commit b1800419c4
13 changed files with 886 additions and 117 deletions
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src/models/MiningJob.ts
+14 -17
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@@ -12,17 +12,18 @@ interface AddressObject {
}
export class MiningJob {
private coinbasePart1: string;
private coinbasePart2: string;
private merkle_branch: string[]; // List of hashes, will be used for calculation of merkle root. This is not a list of all transactions, it only contains prepared hashes of steps of merkle tree algorithm.
public jobId: string; // ID of the job. Use this ID while submitting share generated from this job.
public response: string;
public block: bitcoinjs.Block = new bitcoinjs.Block();
public networkDifficulty: number;
constructor(id: string, payoutInformation: AddressObject[], public blockTemplate: IBlockTemplate, public clean_jobs: boolean) {
this.jobId = id;
//this.target = blockTemplate.target;
this.block.prevHash = this.convertToLittleEndian(blockTemplate.previousblockhash);
this.block.version = blockTemplate.version;
@@ -51,7 +52,8 @@ export class MiningJob {
// 32-byte - Commitment hash: Double-SHA256(witness root hash|witness reserved value)
const commitmentHash = this.sha256(this.sha256(this.block.witnessCommit));
// 39th byte onwards: Optional data with no consensus meaning
coinbaseTransaction.ins[0].script = bitcoinjs.script.compile([bitcoinjs.opcodes.OP_RETURN, Buffer.concat([blockHeightScript, segwitMagicBits, commitmentHash, Buffer.from('00000000' + '00000000', 'hex')])]);
coinbaseTransaction.ins[0].script = bitcoinjs.script.compile([bitcoinjs.opcodes.OP_RETURN, Buffer.concat([blockHeightScript, Buffer.from('00000000' + '00000000', 'hex')])]);
coinbaseTransaction.addOutput(bitcoinjs.script.compile([bitcoinjs.opcodes.OP_RETURN, Buffer.concat([segwitMagicBits, commitmentHash])]), 0);
// get the non-witness coinbase tx
//@ts-ignore
@@ -63,8 +65,8 @@ export class MiningJob {
const coinbasePart1 = serializedCoinbaseTx.slice(0, partOneIndex);
const coinbasePart2 = serializedCoinbaseTx.slice(partOneIndex);
const coinb1 = coinbasePart1.slice(0, coinbasePart1.length - 16);
const coinb2 = coinbasePart2;
this.coinbasePart1 = coinbasePart1.slice(0, coinbasePart1.length - 16);
this.coinbasePart2 = coinbasePart2;
// Calculate merkle branch
@@ -75,18 +77,15 @@ export class MiningJob {
this.block.transactions[0] = coinbaseTransaction;
this.constructResponse(coinb1, coinb2);
}
public copyAndUpdateBlock(versionMaskString: number, nonce: number, extraNonce: string, extraNonce2: string, timestamp: number): bitcoinjs.Block {
public copyAndUpdateBlock(versionMask: number, nonce: number, extraNonce: string, extraNonce2: string, timestamp: number): bitcoinjs.Block {
const testBlock = bitcoinjs.Block.fromBuffer(this.block.toBuffer());
testBlock.nonce = nonce;
// recompute version mask
const versionMask = versionMaskString;
if (versionMask !== undefined && versionMask != 0) {
testBlock.version = (testBlock.version ^ versionMask);
}
@@ -131,8 +130,6 @@ export class MiningJob {
// Set the version of the transaction
coinbaseTransaction.version = 2;
// Add the coinbase input (input with no previous output)
coinbaseTransaction.addInput(Buffer.from('0000000000000000000000000000000000000000000000000000000000000000', 'hex'), 0xffffffff, 0xffffffff);
@@ -145,7 +142,7 @@ export class MiningJob {
coinbaseTransaction.addOutput(this.getPaymentScript(recipientAddress.address), amount);
})
//Add any remaining sats from the Math.floor
//Add any remaining sats from the Math.floor
coinbaseTransaction.outs[0].value += rewardBalance;
const segwitWitnessReservedValue = Buffer.alloc(32, 0);
@@ -160,7 +157,7 @@ export class MiningJob {
const addressInfo = getAddressInfo(address);
switch (addressInfo.type) {
case AddressType.p2wpkh: {
return bitcoinjs.payments.p2wpkh({ address, network: bitcoinjs.networks.testnet }).output;
return bitcoinjs.payments.p2wpkh({ address }).output;
}
case AddressType.p2pkh: {
return bitcoinjs.payments.p2pkh({ address }).output;
@@ -185,7 +182,7 @@ export class MiningJob {
}
private constructResponse(coinb1: string, coinb2: string) {
public response(): string {
const job = {
id: null,
@@ -193,8 +190,8 @@ export class MiningJob {
params: [
this.jobId,
this.swapEndianWords(this.block.prevHash).toString('hex'),
coinb1,
coinb2,
this.coinbasePart1,
this.coinbasePart2,
this.merkle_branch,
this.block.version.toString(16),
this.block.bits.toString(16),
@@ -203,7 +200,7 @@ export class MiningJob {
]
};
this.response = JSON.stringify(job);
return JSON.stringify(job) + '\n';
}