WantClue/NerdNos-Firmware
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copied merkle tree for nerdnos

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shufps 2024-09-13 18:22:41 +02:00
parent c772ac4a91
commit def93a8579
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GPG Key ID: 371CB8C24D8CB455
4 changed files with 35 additions and 21 deletions
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8
src/drivers/nerd-nos/mining.cpp
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@ -61,8 +61,8 @@ static void dump(mining_job *job) {
Serial.printf("ntime: %s\n", job->ntime.c_str());
Serial.printf("taget: %lu\n", job->target);
Serial.printf("clean_jobs: %s\n", job->clean_jobs ? "true" : "false");
for (size_t i = 0; i < job->merkle_branch.size(); i++) {
const char* m = job->merkle_branch[i];
for (size_t i = 0; i < job->merkle_branch_size; i++) {
const char* m = job->merkle_branch[i].c_str();
Serial.printf("merkle_branch[%d]: %s\n", i, m);
}
}
@ -77,8 +77,8 @@ static void calculate_merkle_root_hash(const char *coinbase_tx, mining_job* job,
double_sha256_bin(coinbase_tx_bin, coinbase_tx_bin_len, new_root);
memcpy(both_merkles, new_root, 32);
for (size_t i = 0; i < job->merkle_branch.size(); i++) {
const char* m = job->merkle_branch[i];
for (size_t i = 0; i < job->merkle_branch_size; i++) {
const char* m = job->merkle_branch[i].c_str();
// if merkle branch is not what we expect, dump the job
if (!is_hex_string(m)) {
dump(job);

15
src/stratum.cpp
View File

@ -188,7 +188,20 @@ bool parse_mining_notify(String line, mining_job& mJob)
mJob.prev_block_hash = String((const char*) doc["params"][1]);
mJob.coinb1 = String((const char*) doc["params"][2]);
mJob.coinb2 = String((const char*) doc["params"][3]);
mJob.merkle_branch = doc["params"][4];
// this only copies references to the static json buffer
// and can lead to crashes when there is a new stratum response
// and the content of the array is still needed like on NerdNOS
// that computes the merkle tree new each 30ms^^
//mJob.merkle_branch = doc["params"][4];
// This copies the merkle branch
JsonArray merkle_tree = doc["params"][4];
mJob.merkle_branch_size = merkle_tree.size();
for (size_t i = 0; i < mJob.merkle_branch_size; i++) {
mJob.merkle_branch[i] = String((const char*) merkle_tree[i]);
}
mJob.version = String((const char*) doc["params"][5]);
mJob.nbits = String((const char*) doc["params"][6]);
mJob.ntime = String((const char*) doc["params"][7]);

3
src/stratum.h
View File

@ -31,7 +31,8 @@ typedef struct mining_job {
String coinb1;
String coinb2;
String nbits;
JsonArray merkle_branch;
String merkle_branch[MAX_MERKLE_BRANCHES];
size_t merkle_branch_size;
String version;
uint32_t target;
String ntime;

4
src/utils.cpp
View File

@ -254,8 +254,8 @@ miner_data calculateMiningData(mining_subscribe& mWorker, mining_job mJob){
memcpy(mMiner.merkle_result, shaResult, sizeof(shaResult));
byte merkle_concatenated[32 * 2];
for (size_t k=0; k < mJob.merkle_branch.size(); k++) {
const char* merkle_element = (const char*) mJob.merkle_branch[k];
for (size_t k=0; k < mJob.merkle_branch_size; k++) {
const char* merkle_element = (const char*) mJob.merkle_branch[k].c_str();
uint8_t bytearray[32];
size_t res = to_byte_array(merkle_element, 64, bytearray);