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testNonceValue working

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This commit is contained in:
Ben Wilson 2023-06-15 00:10:58 -04:00
parent e74b2e0eb5
commit 5e6bb5626f
4 changed files with 58 additions and 27 deletions
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13
package-lock.json generated
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@ -25,6 +25,7 @@
"@nestjs/cli": "^9.0.0",
"@nestjs/schematics": "^9.0.0",
"@nestjs/testing": "^9.0.0",
"@types/big.js": "^6.1.6",
"@types/express": "^4.17.13",
"@types/jest": "29.5.1",
"@types/node": "18.16.12",
@ -1832,6 +1833,12 @@
"@babel/types": "^7.20.7"
}
},
"node_modules/@types/big.js": {
"version": "6.1.6",
"resolved": "https://registry.npmjs.org/@types/big.js/-/big.js-6.1.6.tgz",
"integrity": "sha512-0r9J+Zz9rYm2hOTwiMAVkm3XFQ4u5uTK37xrQMhc9bysn/sf/okzovWMYYIBMFTn/yrEZ11pusgLEaoarTlQbA==",
"dev": true
},
"node_modules/@types/bn.js": {
"version": "5.1.1",
"resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-5.1.1.tgz",
@ -10265,6 +10272,12 @@
"@babel/types": "^7.20.7"
}
},
"@types/big.js": {
"version": "6.1.6",
"resolved": "https://registry.npmjs.org/@types/big.js/-/big.js-6.1.6.tgz",
"integrity": "sha512-0r9J+Zz9rYm2hOTwiMAVkm3XFQ4u5uTK37xrQMhc9bysn/sf/okzovWMYYIBMFTn/yrEZ11pusgLEaoarTlQbA==",
"dev": true
},
"@types/bn.js": {
"version": "5.1.1",
"resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-5.1.1.tgz",

1
package.json
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@ -36,6 +36,7 @@
"@nestjs/cli": "^9.0.0",
"@nestjs/schematics": "^9.0.0",
"@nestjs/testing": "^9.0.0",
"@types/big.js": "^6.1.6",
"@types/express": "^4.17.13",
"@types/jest": "29.5.1",
"@types/node": "18.16.12",

2
src/models/stratum-messages/MiningSubmitMessage.spec.ts
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@ -18,7 +18,7 @@ describe('MiningSubmitMessage', () => {
merkleRoot: "5bdc1968499c3393873edf8e07a1c3a50a97fc3a9d1a376bbf77087dd63778eb",
ntime: 0x647025b5,
target: 0x1705ae3a,
} as MiningJob, 0x0a029ed1);
} as MiningJob, 167943889);
it('should be correct difficulty', () => {
expect(value).toEqual(683);

69
src/models/stratum-messages/MiningSubmitMessage.ts
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@ -42,9 +42,9 @@ export class MiningSubmitMessage extends StratumBaseMessage {
}
testNonceValue(job: MiningJob, nonce: number, midstateIndex: number = 0): string {
testNonceValue(job: MiningJob, nonce: number, midstateIndex: number = 0): number {
const truediffone = Big('26959535291011309493156476344723991336010898738574164086137773096960');
let s64: Big, ds: number;
let s64: string;
const header = Buffer.alloc(80);
// TODO: Use the midstate hash instead of hashing the whole header
@ -56,43 +56,60 @@ export class MiningSubmitMessage extends StratumBaseMessage {
rolledVersion = this.incrementBitmask(rolledVersion, job.versionMask);
}
header.writeUInt32LE(rolledVersion, 0);
Buffer.from(job.prevhash, 'hex').copy(header, 4);
Buffer.from(job.merkleRoot, 'hex').copy(header, 36);
header.writeUInt32LE(job.ntime, 68);
header.writeUInt32LE(job.target, 72);
header.writeUInt32LE(nonce, 76);
console.log(header);
header.writeInt32LE(rolledVersion, 0);
const hexGroups = job.prevhash.match(/.{1,8}/g);
// Reverse each group and concatenate them
const reversedHexString = hexGroups
?.map(group => group.match(/.{2}/g)?.reverse()?.join(''))
.join('');
// Create the buffer from the reversed hex string
const buffer = Buffer.from(reversedHexString, 'hex');
buffer.copy(header, 4, 0, 32);
// const hexGroups2 = job.merkleRoot.match(/.{1,8}/g);
// // Reverse each group and concatenate them
// const reversedHexString2 = hexGroups2
// ?.map(group => group.match(/.{2}/g)?.reverse()?.join(''))
// .join('');
// // Create the buffer from the reversed hex string
// const buffer2 = Buffer.from(reversedHexString2, 'hex');
// buffer2.copy(header, 36, 0, 32);
Buffer.from(job.merkleRoot, 'hex').copy(header, 36, 0, 32)
header.writeInt32LE(job.ntime, 68);
header.writeInt32LE(job.target, 72);
header.writeInt32LE(nonce, 76);
const hashBuffer: Buffer = crypto.createHash('sha256').update(header).digest();
const hashResult: Buffer = crypto.createHash('sha256').update(hashBuffer).digest();
s64 = this.le256todouble(hashResult);
ds = truediffone.div(s64);
return ds.toString();
s64 = this.le256todouble(hashResult);
return parseInt(truediffone.div(s64).toString());
}
private le256todouble(target: Buffer): Big {
private le256todouble(target: Buffer): string {
let number = BigInt(0);
const bits192 = new Big(6277101735386680763835789423207666416102355444464034512896);
const bits128 = new Big(340282366920938463463374607431768211456);
const bits64 = new Big(18446744073709551616);
// Iterate over the buffer bytes in reverse order
for (let i = target.length - 1; i >= 0; i--) {
// Shift the number 8 bits to the left and OR with the current byte
number = (number << BigInt(8)) | BigInt(target[i]);
}
const data64_3 = target.readBigUInt64LE(24);
const data64_2 = target.readBigUInt64LE(16);
const data64_1 = target.readBigUInt64LE(8);
const data64_0 = target.readBigUInt64LE(0);
return number.toString();
const dcut64 = new Big(data64_3).times(bits192)
.plus(new Big(data64_2).times(bits128))
.plus(new Big(data64_1).times(bits64))
.plus(new Big(data64_0));
return dcut64;
}
public incrementBitmask(rolledVersion: number, versionMask: number) {