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GR support

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MoneroOcean
2021-11-30 16:12:59 +00:00
parent acc0039b14
commit f4ff9bc8cb
3 changed files with 22 additions and 71 deletions
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68
rtm.js
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@@ -1,4 +1,3 @@
const crypto = require('crypto');
const bignum = require('bignum');
const base58 = require('base58-native');
@@ -106,16 +105,6 @@ function serializeString(s) {
}
}
function sha256(buffer) {
let hash1 = crypto.createHash('sha256');
hash1.update(buffer);
return hash1.digest();
}
function sha256d(buffer) {
return sha256(sha256(buffer));
}
// An exact copy of python's range feature. Written by Tadeck:
// http://stackoverflow.com/a/8273091
function range(start, stop, step) {
@@ -136,36 +125,6 @@ function range(start, stop, step) {
return result;
}
function merkleJoin(h1, h2) {
let joined = Buffer.concat([h1, h2]);
let dhashed = sha256d(joined);
return dhashed;
}
function merkleTreeBranches(data) {
let L = data;
let steps = [];
let PreL = [null];
let StartL = 2;
let Ll = L.length;
if (Ll > 1) {
while (true) {
if (Ll === 1) break;
steps.push(L[1]);
if (Ll % 2) L.push(L[L.length - 1]);
let Ld = [];
let r = range(StartL, Ll, 2);
r.forEach(function(i) {
Ld.push(merkleJoin(L[i], L[i + 1]));
});
L = PreL.concat(Ld);
Ll = L.length;
}
}
return steps;
}
function uint256BufferFromHash(hex) {
let fromHex = Buffer.from(hex, 'hex');
if (fromHex.length != 32) {
@@ -255,7 +214,7 @@ function generateOutputTransactions(rpcData, poolAddress) {
}
module.exports.RtmBlockTemplate = function(rpcData, poolAddress) {
const extraNoncePlaceholderLength = 16;
const extraNoncePlaceholderLength = 17;
const coinbaseVersion = Buffer.concat([packUInt16LE(3), packUInt16LE(5)]);
const scriptSigPart1 = Buffer.concat([
@@ -294,29 +253,16 @@ module.exports.RtmBlockTemplate = function(rpcData, poolAddress) {
let bits = Buffer.from(rpcData.bits, 'hex');
bits.writeUInt32LE(bits.readUInt32BE());
console.log("1x" + (rpcData.transactions.length + 1) + " " + (blob1.length + extraNoncePlaceholderLength + blob2.length));
return {
difficulty: parseFloat((diff1 / bignum(rpcData.target, 16).toNumber()).toFixed(9)),
height: rpcData.height,
prev_hash: rpcData.previousblockhash,
blocktemplate_blob: version + rpcData.previousblockhash + Buffer.alloc(32, 0).toString('hex') + curtime + bits.toString('hex') + Buffer.alloc(4, 0).toString('hex') +
packUInt32LE(blob1.length + extraNoncePlaceholderLength + blob2.length).toString('hex') +
blob1.toString('hex') + Buffer.alloc(extraNoncePlaceholderLength, 0).toString('hex') + blob2.toString('hex') +
Buffer.concat(merkleTreeBranches(getTransactionBuffers(rpcData.transactions))).toString('hex'),
reserved_offset: 80 + 4 + blob1.length
varIntBuffer(rpcData.transactions.length + 1).toString('hex') +
blob1.toString('hex') + Buffer.alloc(extraNoncePlaceholderLength, 0xCC).toString('hex') + blob2.toString('hex') +
Buffer.concat(rpcData.transactions.map(function(tx) { return Buffer.from(tx.data, 'hex'); })).toString('hex'),
reserved_offset: 80 + 4 + 1 + blob1.length
}
}
module.exports.convertRtmBlob = function(buffer) {
let header = buffer.slice(0, 80);
const blobSize = buffer.slice(80, 80 + 4).readUInt32LE();
let merkle_root = sha256d(buffer.slice(84, 84 + blobSize));
for (let i = 84 + blobSize; i < buffer.length; i += 32)
merkle_root = merkleJoin(merkle_root, buffer.slice(i, i + 32));
merkle_root.copy(header, 4 + 32, 0, 32);
return header;
}
module.exports.constructNewRtmBlob = function(blockTemplate, nonceBuff) {
nonceBuff.copy(blockTemplate, 76, 0, 4);
return blockTemplate;
}