Refactoring + Improvements
- Added Stratum thread - Added only miner thread - Added utils lib - Checking all new stratum messages - Added difficulty check - Added a mining notify based on pool diff target - Improved stability and json errors
This commit is contained in:
BitMaker
parent
5573aaf321
commit
ffd1664b21
@ -26,13 +26,6 @@ OpenFontRender render;
|
||||
TFT_eSPI tft = TFT_eSPI(); // Invoke library, pins defined in User_Setup.h
|
||||
TFT_eSprite background = TFT_eSprite(&tft); // Invoke library sprite
|
||||
|
||||
//static long templates = 0;
|
||||
//static long hashes = 0;
|
||||
//static int halfshares = 0; // increase if blockhash has 16 bits of zeroes
|
||||
//static int shares = 0; // increase if blockhash has 32 bits of zeroes
|
||||
//static int valids = 0; // increased if blockhash <= target
|
||||
|
||||
int oldStatus = 0;
|
||||
unsigned long start = millis();
|
||||
const char* ntpServer = "pool.ntp.org";
|
||||
|
||||
@ -61,7 +54,7 @@ void setup()
|
||||
|
||||
// Idle task that would reset WDT never runs, because core 0 gets fully utilized
|
||||
disableCore0WDT();
|
||||
disableCore1WDT();
|
||||
//disableCore1WDT();
|
||||
|
||||
// Setup the buttons
|
||||
// Button 1 (Boot)
|
||||
@ -115,17 +108,28 @@ void setup()
|
||||
// Higher prio monitor task
|
||||
Serial.println("");
|
||||
Serial.println("Initiating tasks...");
|
||||
xTaskCreate(runMonitor, "Monitor", 5000, NULL, 4, NULL);
|
||||
char *name = (char*) malloc(32);
|
||||
sprintf(name, "(%s)", "Monitor");
|
||||
BaseType_t res1 = xTaskCreatePinnedToCore(runMonitor, "Monitor", 5000, (void*)name, 4, NULL,1);
|
||||
|
||||
/******** CREATE STRATUM TASK *****/
|
||||
sprintf(name, "(%s)", "Stratum");
|
||||
BaseType_t res2 = xTaskCreatePinnedToCore(runStratumWorker, "Stratum", 20000, (void*)name, 3, NULL,1);
|
||||
|
||||
|
||||
/******** CREATE MINER TASKS *****/
|
||||
for (size_t i = 0; i < THREADS; i++) {
|
||||
char *name = (char*) malloc(32);
|
||||
sprintf(name, "(%d)", i);
|
||||
//for (size_t i = 0; i < THREADS; i++) {
|
||||
// char *name = (char*) malloc(32);
|
||||
// sprintf(name, "(%d)", i);
|
||||
|
||||
// Start stratum tasks
|
||||
sprintf(name, "(%s)", "Miner0");
|
||||
//BaseType_t res = xTaskCreatePinnedToCore(runMiner, "0", 10000, (void*)name, 1, NULL, 0);
|
||||
BaseType_t res3 = xTaskCreatePinnedToCore(runMiner, "0", 10000, (void*)name, 1,NULL, 0);
|
||||
//sprintf(name, "(%s)", "Miner1");
|
||||
//BaseType_t res4 = xTaskCreatePinnedToCore(runMiner, "1", 10000, (void*)name, 1,NULL, 1);
|
||||
//Serial.printf("Starting %s %s!\n", "1", res3 == pdPASS? "successful":"failed");
|
||||
|
||||
// Start mining tasks
|
||||
BaseType_t res = xTaskCreate(runWorker, name, 30000, (void*)name, 1, NULL);
|
||||
Serial.printf("Starting %s %s!\n", name, res == pdPASS? "successful":"failed");
|
||||
}
|
||||
|
||||
/******** TIME ZONE SETTING *****/
|
||||
configTime(0, 0, ntpServer);
|
||||
@ -150,17 +154,6 @@ void loop() {
|
||||
|
||||
wifiManagerProcess(); // avoid delays() in loop when non-blocking and other long running code
|
||||
|
||||
int newStatus = WiFi.status();
|
||||
if (newStatus != oldStatus) {
|
||||
if (newStatus == WL_CONNECTED) {
|
||||
Serial.println("CONNECTED - Current ip: " + WiFi.localIP().toString());
|
||||
} else {
|
||||
Serial.print("[Error] - current status: ");
|
||||
Serial.println(newStatus);
|
||||
}
|
||||
oldStatus = newStatus;
|
||||
}
|
||||
|
||||
//Run miner on main core when there is time --Currently on test
|
||||
// runMiner();
|
||||
|
||||
|
||||
515
src/mining.cpp
515
src/mining.cpp
@ -8,10 +8,9 @@
|
||||
#include "mbedtls/md.h"
|
||||
#include "mbedtls/sha256.h"
|
||||
#include "OpenFontRender.h"
|
||||
#include "stratum.h"
|
||||
#include "mining.h"
|
||||
|
||||
#define TARGET_BUFFER_SIZE 64
|
||||
#define BUFFER_JSON_DOC 4096
|
||||
#include "utils.h"
|
||||
|
||||
static unsigned long templates = 0;
|
||||
static unsigned long hashes= 0;
|
||||
@ -22,7 +21,6 @@ static String temp;
|
||||
static int halfshares; // increase if blockhash has 16 bits of zeroes
|
||||
static int shares; // increase if blockhash has 32 bits of zeroes
|
||||
static int valids; // increased if blockhash <= target
|
||||
bool enableGlobalHash = false;
|
||||
|
||||
// Variables to hold data from custom textboxes
|
||||
extern char poolString[80];
|
||||
@ -32,97 +30,13 @@ extern char btcString[80];
|
||||
extern OpenFontRender render;
|
||||
extern TFT_eSprite background;
|
||||
|
||||
//Global work data
|
||||
static WiFiClient client;
|
||||
static miner_data mMiner; //Global miner data (Create a miner class TODO)
|
||||
mining_subscribe mWorker;
|
||||
mining_job mJob;
|
||||
|
||||
|
||||
bool checkValid(unsigned char* hash, unsigned char* target) {
|
||||
bool valid = true;
|
||||
for(uint8_t i=31; i>=0; i--) {
|
||||
if(hash[i] > target[i]) {
|
||||
valid = false;
|
||||
break;
|
||||
} else if (hash[i] < target[i]) {
|
||||
valid = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
#ifdef DEBUG_MINING
|
||||
if (valid) {
|
||||
Serial.print("\tvalid : ");
|
||||
for (size_t i = 0; i < 32; i++)
|
||||
Serial.printf("%02x ", hash[i]);
|
||||
Serial.println();
|
||||
}
|
||||
#endif
|
||||
return valid;
|
||||
}
|
||||
|
||||
uint8_t hex(char ch) {
|
||||
uint8_t r = (ch > 57) ? (ch - 55) : (ch - 48);
|
||||
return r & 0x0F;
|
||||
}
|
||||
|
||||
int to_byte_array(const char *in, size_t in_size, uint8_t *out) {
|
||||
int count = 0;
|
||||
if (in_size % 2) {
|
||||
while (*in && out) {
|
||||
*out = hex(*in++);
|
||||
if (!*in)
|
||||
return count;
|
||||
*out = (*out << 4) | hex(*in++);
|
||||
*out++;
|
||||
count++;
|
||||
}
|
||||
return count;
|
||||
} else {
|
||||
while (*in && out) {
|
||||
*out++ = (hex(*in++) << 4) | hex(*in++);
|
||||
count++;
|
||||
}
|
||||
return count;
|
||||
}
|
||||
}
|
||||
|
||||
bool verifyPayload (String* line){
|
||||
if(line->length() == 0) return false;
|
||||
line->trim();
|
||||
if(line->isEmpty()) return false;
|
||||
return true;
|
||||
}
|
||||
|
||||
unsigned long getNextId(unsigned long id) {
|
||||
if (id == ULONG_MAX) {
|
||||
id = 1;
|
||||
return id;
|
||||
}
|
||||
return ++id;
|
||||
}
|
||||
|
||||
void getNextExtranonce2(int extranonce2_size, char *extranonce2) {
|
||||
|
||||
unsigned long extranonce2_number = strtoul(extranonce2, NULL, 10);
|
||||
extranonce2_number++;
|
||||
|
||||
memset(extranonce2, '0', 2 * extranonce2_size);
|
||||
if (extranonce2_number > long(pow(10, 2 * extranonce2_size))) {
|
||||
return;
|
||||
}
|
||||
|
||||
char next_extranounce2[2 * extranonce2_size + 1];
|
||||
memset(extranonce2, '0', 2 * extranonce2_size);
|
||||
ultoa(extranonce2_number, next_extranounce2, 10);
|
||||
memcpy(extranonce2 + (2 * extranonce2_size) - long(log10(extranonce2_number)) - 1 , next_extranounce2, strlen(next_extranounce2));
|
||||
extranonce2[2 * extranonce2_size] = 0;
|
||||
}
|
||||
|
||||
bool checkError(const StaticJsonDocument<BUFFER_JSON_DOC> doc) {
|
||||
if (doc["error"].size() == 0) {
|
||||
return false;
|
||||
}
|
||||
Serial.printf("ERROR: %d | reason: %s \n", (const int) doc["error"][0], (const char*) doc["error"][1]);
|
||||
return true;
|
||||
}
|
||||
|
||||
void runWorker(void *name) {
|
||||
void runStratumWorker(void *name) {
|
||||
|
||||
// TEST: https://bitcoin.stackexchange.com/questions/22929/full-example-data-for-scrypt-stratum-client
|
||||
|
||||
@ -134,13 +48,10 @@ void runWorker(void *name) {
|
||||
#endif
|
||||
|
||||
// connect to pool
|
||||
WiFiClient client;
|
||||
|
||||
IPAddress serverIP(1, 1, 1, 1); //Temporally save poolIPaddres
|
||||
|
||||
bool isMinerSuscribed = false;
|
||||
bool continueSecuence = false;
|
||||
String line, extranonce1, extranonce2 = String("0");
|
||||
unsigned long id = 0, extranonce_number = 0;
|
||||
unsigned int extranonce2_size;
|
||||
|
||||
while(true) {
|
||||
|
||||
@ -149,326 +60,117 @@ void runWorker(void *name) {
|
||||
continue;
|
||||
}
|
||||
|
||||
// get template
|
||||
StaticJsonDocument<BUFFER_JSON_DOC> doc;
|
||||
|
||||
char payload[BUFFER_JSON_DOC] = {0};
|
||||
//Test vars:
|
||||
strcpy(poolString, "testServerIP");
|
||||
strcpy(btcString,"mybtcString");
|
||||
|
||||
portNumber = 3002;
|
||||
if (!client.connected()) {
|
||||
isMinerSuscribed = false;
|
||||
Serial.println("Client not connected, trying to connect...");
|
||||
if (!client.connect(serverIP, portNumber)) {
|
||||
Serial.println("Imposible to connect to : " + String(poolString));
|
||||
WiFi.hostByName(poolString, serverIP);
|
||||
Serial.print("Resolved DNS got : "); Serial.println(serverIP);
|
||||
vTaskDelay(1000 / portTICK_PERIOD_MS);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
// STEP 1: Pool server connection (SUBSCRIBE)
|
||||
// Docs:
|
||||
// - https://cs.braiins.com/stratum-v1/docs
|
||||
// - https://github.com/aeternity/protocol/blob/master/STRATUM.md#mining-subscribe
|
||||
if(!isMinerSuscribed){
|
||||
id = getNextId(id);
|
||||
sprintf(payload, "{\"id\": %u, \"method\": \"mining.subscribe\", \"params\": [\"NerdMinerV2\"]}\n", id);
|
||||
Serial.printf("[WORKER] %s ==> Mining subscribe\n", (char *)name);
|
||||
Serial.print(" Sending : "); Serial.println(payload);
|
||||
client.print(payload);
|
||||
vTaskDelay(200 / portTICK_PERIOD_MS);
|
||||
line = client.readStringUntil('\n');
|
||||
if(!verifyPayload(&line)) continue;
|
||||
Serial.print(" Receiving: "); Serial.println(line);
|
||||
deserializeJson(doc, line);
|
||||
if (checkError(doc)) {
|
||||
Serial.printf("[WORKER] %s >>>>>>>>> Work aborted\n", (char *)name);
|
||||
continue;
|
||||
}
|
||||
String sub_details = String((const char*) doc["result"][0][0][1]);
|
||||
extranonce1 = String((const char*) doc["result"][1]);
|
||||
int extranonce2_size = doc["result"][2];
|
||||
|
||||
// DIFFICULTY
|
||||
line = client.readStringUntil('\n');
|
||||
Serial.print(" Receiving: "); Serial.println(line);
|
||||
Serial.print(" sub_details: "); Serial.println(sub_details);
|
||||
Serial.print(" extranonce1: "); Serial.println(extranonce1);
|
||||
Serial.print(" extranonce2_size: "); Serial.println(extranonce2_size);
|
||||
mWorker = init_mining_subscribe();
|
||||
|
||||
if((extranonce1.length() == 0) || line.length() == 0) {
|
||||
Serial.printf("[WORKER] %s >>>>>>>>> Work aborted\n", (char *)name);
|
||||
Serial.printf("extranonce1 length: %u | line2 length: %u \n", extranonce1.length(), line.length());
|
||||
// STEP 1: Pool server connection (SUBSCRIBE)
|
||||
if(!tx_mining_subscribe(client, mWorker)) {
|
||||
client.stop();
|
||||
doc.clear();
|
||||
doc.garbageCollect();
|
||||
continue;
|
||||
}
|
||||
|
||||
//strcpy(mWorker.name, btcString);
|
||||
//strcpy(mWorker.pass, "x");
|
||||
// STEP 2: Pool authorize work (Block Info)
|
||||
tx_mining_auth(client, btcString, "x"); //Don't verifies authoritzation, TODO
|
||||
|
||||
isMinerSuscribed=true;
|
||||
}
|
||||
|
||||
// STEP 2: Pool authorize work (Block Info)
|
||||
id = getNextId(id);
|
||||
sprintf(payload, "{\"params\": [\"%s\", \"x\"], \"id\": %u, \"method\": \"mining.authorize\"}\n",
|
||||
btcString,
|
||||
id);
|
||||
Serial.printf("[WORKER] %s ==> Autorize work\n", (char *)name);
|
||||
Serial.print(" Sending : "); Serial.println(payload);
|
||||
client.print(payload);
|
||||
vTaskDelay(200 / portTICK_PERIOD_MS);
|
||||
line = client.readStringUntil('\n');
|
||||
if(!verifyPayload(&line)) continue;
|
||||
Serial.print(" Receiving: "); Serial.println(line);
|
||||
Serial.print(" Receiving: "); Serial.println(client.readStringUntil('\n'));
|
||||
Serial.print(" Receiving: "); Serial.println(client.readStringUntil('\n'));
|
||||
// client.stop();
|
||||
|
||||
deserializeJson(doc, line);
|
||||
String job_id = String((const char*) doc["params"][0]);
|
||||
String prevhash = String((const char*) doc["params"][1]);
|
||||
String coinb1 = String((const char*) doc["params"][2]);
|
||||
String coinb2 = String((const char*) doc["params"][3]);
|
||||
JsonArray merkle_branch = doc["params"][4];
|
||||
String version = String((const char*) doc["params"][5]);
|
||||
String nbits = String((const char*) doc["params"][6]);
|
||||
String ntime = String((const char*) doc["params"][7]);
|
||||
bool clean_jobs = doc["params"][8]; //bool
|
||||
|
||||
#ifdef DEBUG_MINING
|
||||
Serial.print(" job_id: "); Serial.println(job_id);
|
||||
Serial.print(" prevhash: "); Serial.println(prevhash);
|
||||
Serial.print(" coinb1: "); Serial.println(coinb1);
|
||||
Serial.print(" coinb2: "); Serial.println(coinb2);
|
||||
Serial.print(" merkle_branch size: "); Serial.println(merkle_branch.size());
|
||||
Serial.print(" version: "); Serial.println(version);
|
||||
Serial.print(" nbits: "); Serial.println(nbits);
|
||||
Serial.print(" ntime: "); Serial.println(ntime);
|
||||
Serial.print(" clean_jobs: "); Serial.println(clean_jobs);
|
||||
#endif
|
||||
//Check if parameters where correctly received
|
||||
if (checkError(doc)) {
|
||||
Serial.printf("[WORKER] %s >>>>>>>>> Work aborted\n", (char *)name);
|
||||
continue;
|
||||
}
|
||||
//Read pending messages from pool
|
||||
while(client.available()){
|
||||
|
||||
Serial.println(" Received message from pool");
|
||||
String line = client.readStringUntil('\n');
|
||||
stratum_method result = parse_mining_method(line);
|
||||
switch (result)
|
||||
{
|
||||
case STRATUM_PARSE_ERROR: Serial.println(" Parsed JSON: error on JSON"); break;
|
||||
case MINING_NOTIFY: if(parse_mining_notify(line, mJob)){
|
||||
//Increse templates readed
|
||||
templates++;
|
||||
//Stop miner current job
|
||||
mMiner.inRun = false;
|
||||
//Prepare data for new job
|
||||
mMiner=calculateMiningData(mWorker,mJob);
|
||||
mMiner.newJob = true;
|
||||
//Give new job to miner
|
||||
|
||||
// calculate target - target = (nbits[2:]+'00'*(int(nbits[:2],16) - 3)).zfill(64)
|
||||
}
|
||||
break;
|
||||
case MINING_SET_DIFFICULTY: if(parse_mining_set_difficulty(line, mMiner.difficulty)){
|
||||
//Calculate new target
|
||||
//TODO
|
||||
//Give new target to workers
|
||||
//TODO
|
||||
}
|
||||
break;
|
||||
default: Serial.println(" Parsed JSON: unknown"); break;
|
||||
|
||||
char target[TARGET_BUFFER_SIZE+1];
|
||||
memset(target, '0', TARGET_BUFFER_SIZE);
|
||||
int zeros = (int) strtol(nbits.substring(0, 2).c_str(), 0, 16) - 3;
|
||||
memcpy(target + zeros - 2, nbits.substring(2).c_str(), nbits.length() - 2);
|
||||
target[TARGET_BUFFER_SIZE] = 0;
|
||||
Serial.print(" target: "); Serial.println(target);
|
||||
// bytearray target
|
||||
uint8_t bytearray_target[32];
|
||||
size_t size_target = to_byte_array(target, 32, bytearray_target);
|
||||
// uint8_t buf;
|
||||
// for (size_t j = 0; j < 16; j++) {
|
||||
// buf = bytearray_target[j];
|
||||
// bytearray_target[j] = bytearray_target[size_target - 1 - j];
|
||||
// bytearray_target[size_target - 1 - j] = buf;
|
||||
// }
|
||||
for (size_t j = 0; j < 8; j++) {
|
||||
bytearray_target[j] ^= bytearray_target[size_target - 1 - j];
|
||||
bytearray_target[size_target - 1 - j] ^= bytearray_target[j];
|
||||
bytearray_target[j] ^= bytearray_target[size_target - 1 - j];
|
||||
}
|
||||
}
|
||||
|
||||
// get extranonce2 - extranonce2 = hex(random.randint(0,2**32-1))[2:].zfill(2*extranonce2_size)
|
||||
char extranonce2_char[2 * extranonce2_size+1];
|
||||
extranonce2.toCharArray(extranonce2_char, 2 * extranonce2_size + 1);
|
||||
getNextExtranonce2(extranonce2_size, extranonce2_char);
|
||||
//extranonce2 = String(extranonce2_char);
|
||||
extranonce2 = "00000002";
|
||||
vTaskDelay(200 / portTICK_PERIOD_MS); //Small delay
|
||||
|
||||
//get coinbase - coinbase_hash_bin = hashlib.sha256(hashlib.sha256(binascii.unhexlify(coinbase)).digest()).digest()
|
||||
String coinbase = coinb1 + extranonce1 + extranonce2 + coinb2;
|
||||
Serial.print(" coinbase: "); Serial.println(coinbase);
|
||||
size_t str_len = coinbase.length()/2;
|
||||
uint8_t bytearray[str_len];
|
||||
|
||||
size_t res = to_byte_array(coinbase.c_str(), str_len*2, bytearray);
|
||||
|
||||
#ifdef DEBUG_MINING
|
||||
Serial.print(" extranonce2: "); Serial.println(extranonce2);
|
||||
Serial.print(" coinbase: "); Serial.println(coinbase);
|
||||
Serial.print(" coinbase bytes - size: "); Serial.println(res);
|
||||
for (size_t i = 0; i < res; i++)
|
||||
Serial.printf("%02x", bytearray[i]);
|
||||
Serial.println("---");
|
||||
#endif
|
||||
|
||||
mbedtls_sha256_context ctx;
|
||||
mbedtls_sha256_init(&ctx);
|
||||
|
||||
byte interResult[32]; // 256 bit
|
||||
byte shaResult[32]; // 256 bit
|
||||
|
||||
mbedtls_sha256_starts_ret(&ctx,0);
|
||||
mbedtls_sha256_update_ret(&ctx, bytearray, str_len);
|
||||
mbedtls_sha256_finish_ret(&ctx, interResult);
|
||||
|
||||
mbedtls_sha256_starts_ret(&ctx,0);
|
||||
mbedtls_sha256_update_ret(&ctx, interResult, 32);
|
||||
mbedtls_sha256_finish_ret(&ctx, shaResult);
|
||||
mbedtls_sha256_free(&ctx);
|
||||
|
||||
#ifdef DEBUG_MINING
|
||||
Serial.print(" coinbase double sha: ");
|
||||
for (size_t i = 0; i < 32; i++)
|
||||
Serial.printf("%02x", shaResult[i]);
|
||||
Serial.println("");
|
||||
#endif
|
||||
|
||||
byte merkle_result[32];
|
||||
// copy coinbase hash
|
||||
memcpy(merkle_result, shaResult, sizeof(shaResult));
|
||||
|
||||
byte merkle_concatenated[32 * 2];
|
||||
for (size_t k=0; k < merkle_branch.size(); k++) {
|
||||
const char* merkle_element = (const char*) merkle_branch[k];
|
||||
uint8_t bytearray[32];
|
||||
size_t res = to_byte_array(merkle_element, 64, bytearray);
|
||||
|
||||
#ifdef DEBUG_MINING
|
||||
Serial.print(" merkle element "); Serial.print(k); Serial.print(": "); Serial.println(merkle_element);
|
||||
#endif
|
||||
for (size_t i = 0; i < 32; i++) {
|
||||
merkle_concatenated[i] = merkle_result[i];
|
||||
merkle_concatenated[32 + i] = bytearray[i];
|
||||
}
|
||||
|
||||
#ifdef DEBUG_MINING
|
||||
Serial.print(" merkle element "); Serial.print(k); Serial.print(": "); Serial.println(merkle_element);
|
||||
Serial.print(" merkle concatenated: ");
|
||||
for (size_t i = 0; i < 64; i++)
|
||||
Serial.printf("%02x", merkle_concatenated[i]);
|
||||
Serial.println("");
|
||||
#endif
|
||||
}
|
||||
|
||||
mbedtls_sha256_context ctx;
|
||||
mbedtls_sha256_init(&ctx);
|
||||
mbedtls_sha256_starts_ret(&ctx,0);
|
||||
mbedtls_sha256_update_ret(&ctx, merkle_concatenated, 64);
|
||||
mbedtls_sha256_finish_ret(&ctx, interResult);
|
||||
|
||||
mbedtls_sha256_starts_ret(&ctx,0);
|
||||
mbedtls_sha256_update_ret(&ctx, interResult, 32);
|
||||
mbedtls_sha256_finish_ret(&ctx, merkle_result);
|
||||
mbedtls_sha256_free(&ctx);
|
||||
//////////////////THREAD CALLS///////////////////
|
||||
|
||||
#ifdef DEBUG_MINING
|
||||
Serial.print(" merkle sha : ");
|
||||
for (size_t i = 0; i < 32; i++)
|
||||
Serial.printf("%02x", merkle_result[i]);
|
||||
Serial.println("");
|
||||
#endif
|
||||
}
|
||||
// merkle root from merkle_result
|
||||
//This works only with one thread, TODO -> Class or miner_data for each thread
|
||||
|
||||
Serial.print(" merkle sha : ");
|
||||
char merkle_root[65];
|
||||
for (int i = 0; i < 32; i++) {
|
||||
Serial.printf("%02x", merkle_result[i]);
|
||||
snprintf(&merkle_root[i*2], 3, "%02x", merkle_result[i]);
|
||||
}
|
||||
merkle_root[65] = 0;
|
||||
Serial.println("");
|
||||
void runMiner(void * name){
|
||||
|
||||
// calculate blockheader
|
||||
// j.block_header = ''.join([j.version, j.prevhash, merkle_root, j.ntime, j.nbits])
|
||||
String blockheader = version + prevhash + String(merkle_root) + ntime + nbits + "00000000";
|
||||
str_len = blockheader.length()/2;
|
||||
uint8_t bytearray_blockheader[str_len];
|
||||
res = to_byte_array(blockheader.c_str(), str_len*2, bytearray_blockheader);
|
||||
while(1){
|
||||
|
||||
#ifdef DEBUG_MINING
|
||||
Serial.println(" blockheader bytes "); Serial.print(str_len); Serial.print(" -> ");
|
||||
#endif
|
||||
|
||||
// reverse version
|
||||
uint8_t buff;
|
||||
size_t bsize, boffset;
|
||||
boffset = 0;
|
||||
bsize = 4;
|
||||
for (size_t j = boffset; j < boffset + (bsize/2); j++) {
|
||||
buff = bytearray_blockheader[j];
|
||||
bytearray_blockheader[j] = bytearray_blockheader[2 * boffset + bsize - 1 - j];
|
||||
bytearray_blockheader[2 * boffset + bsize - 1 - j] = buff;
|
||||
//Wait new job
|
||||
while(1){
|
||||
if(mMiner.newJob==true) break;
|
||||
vTaskDelay(100 / portTICK_PERIOD_MS); //Small delay
|
||||
}
|
||||
|
||||
// reverse merkle
|
||||
boffset = 36;
|
||||
bsize = 32;
|
||||
for (size_t j = boffset; j < boffset + (bsize/2); j++) {
|
||||
buff = bytearray_blockheader[j];
|
||||
bytearray_blockheader[j] = bytearray_blockheader[2 * boffset + bsize - 1 - j];
|
||||
bytearray_blockheader[2 * boffset + bsize - 1 - j] = buff;
|
||||
}
|
||||
// reverse difficulty
|
||||
boffset = 72;
|
||||
bsize = 4;
|
||||
for (size_t j = boffset; j < boffset + (bsize/2); j++) {
|
||||
buff = bytearray_blockheader[j];
|
||||
bytearray_blockheader[j] = bytearray_blockheader[2 * boffset + bsize - 1 - j];
|
||||
bytearray_blockheader[2 * boffset + bsize - 1 - j] = buff;
|
||||
}
|
||||
|
||||
|
||||
#ifdef DEBUG_MINING
|
||||
Serial.print(" >>> bytearray_blockheader : ");
|
||||
for (size_t i = 0; i < 4; i++)
|
||||
Serial.printf("%02x", bytearray_blockheader[i]);
|
||||
Serial.println("");
|
||||
Serial.print("version ");
|
||||
for (size_t i = 0; i < 4; i++)
|
||||
Serial.printf("%02x", bytearray_blockheader[i]);
|
||||
Serial.println("");
|
||||
Serial.print("prev hash ");
|
||||
for (size_t i = 4; i < 4+32; i++)
|
||||
Serial.printf("%02x", bytearray_blockheader[i]);
|
||||
Serial.println("");
|
||||
Serial.print("merkle root ");
|
||||
for (size_t i = 36; i < 36+32; i++)
|
||||
Serial.printf("%02x", bytearray_blockheader[i]);
|
||||
Serial.println("");
|
||||
Serial.print("nbits ");
|
||||
for (size_t i = 68; i < 68+4; i++)
|
||||
Serial.printf("%02x", bytearray_blockheader[i]);
|
||||
Serial.println("");
|
||||
Serial.print("difficulty ");
|
||||
for (size_t i = 72; i < 72+4; i++)
|
||||
Serial.printf("%02x", bytearray_blockheader[i]);
|
||||
Serial.println("");
|
||||
Serial.print("nonce ");
|
||||
for (size_t i = 76; i < 76+4; i++)
|
||||
Serial.printf("%02x", bytearray_blockheader[i]);
|
||||
Serial.println("");
|
||||
Serial.println("bytearray_blockheader: ");
|
||||
for (size_t i = 0; i < str_len; i++) {
|
||||
Serial.printf("%02x", bytearray_blockheader[i]);
|
||||
}
|
||||
Serial.println("");
|
||||
#endif
|
||||
mMiner.newJob = false; //Clear newJob flag
|
||||
mMiner.inRun = true; //Set inRun flag
|
||||
|
||||
//Prepare Premining data
|
||||
mbedtls_sha256_context midstate[32];
|
||||
unsigned char hash[32];
|
||||
mbedtls_sha256_context ctx;
|
||||
|
||||
//Calcular midstate
|
||||
mbedtls_sha256_init(midstate);
|
||||
mbedtls_sha256_starts_ret(midstate, 0);
|
||||
mbedtls_sha256_update_ret(midstate, bytearray_blockheader, 64);
|
||||
mbedtls_sha256_update_ret(midstate, mMiner.bytearray_blockheader, 64);
|
||||
|
||||
// search a valid nonce
|
||||
enableGlobalHash = true;
|
||||
|
||||
unsigned long nonce = TARGET_NONCE - MAX_NONCE;
|
||||
uint32_t startT = micros();
|
||||
unsigned char *header64 = bytearray_blockheader + 64;
|
||||
unsigned char *header64 = mMiner.bytearray_blockheader + 64;
|
||||
Serial.println(">>> STARTING TO HASH NONCES");
|
||||
while(true) {
|
||||
memcpy(bytearray_blockheader + 76, &nonce, 4);
|
||||
memcpy(mMiner.bytearray_blockheader + 76, &nonce, 4);
|
||||
|
||||
//Con midstate
|
||||
// Primer SHA-256
|
||||
@ -486,36 +188,39 @@ void runWorker(void *name) {
|
||||
|
||||
hashes++;
|
||||
if (nonce++> TARGET_NONCE) break; //exit
|
||||
if(!mMiner.inRun) { Serial.println ("MINER WORK ABORTED >> waiting new job"); break;}
|
||||
|
||||
// check if 16bit share
|
||||
if(hash[31] !=0 || hash[30] !=0) continue;
|
||||
halfshares++;
|
||||
|
||||
//Check target to submit
|
||||
//Difficulty of 1 > 0x00000000FFFF0000000000000000000000000000000000000000000000000000
|
||||
//NM2 pool diff 1e-9 > Target = diff_1 / diff_pool > 0x00003B9ACA00....00
|
||||
//Swapping diff bytes little endian >>>>>>>>>>>>>>>> 0x0000DC59D300....00
|
||||
//if((hash[29] <= 0xDC) && (hash[28] <= 0x59)) //0x00003B9ACA00 > diff value for 1e-9
|
||||
double diff_hash = diff_from_target(hash);
|
||||
if(hash[29] <= 0x3B)//(diff_hash > 1e-9)
|
||||
{
|
||||
tx_mining_submit(client, mWorker, mJob, nonce);
|
||||
Serial.print(" - Current diff share: "); Serial.println(diff_hash);
|
||||
Serial.print(" - TX SHARE: ");
|
||||
for (size_t i = 0; i < 32; i++)
|
||||
Serial.printf("%02x", hash[i]);
|
||||
Serial.println("");
|
||||
}
|
||||
|
||||
// check if 32bit share
|
||||
if(hash[29] !=0 || hash[28] !=0) continue;
|
||||
shares++;
|
||||
|
||||
// check if valid header
|
||||
if(checkValid(hash, bytearray_target)){
|
||||
if(checkValid(hash, mMiner.bytearray_target)){
|
||||
Serial.printf("[WORKER] %s CONGRATULATIONS! Valid completed with nonce: %d | 0x%x\n", (char *)name, nonce, nonce);
|
||||
valids++;
|
||||
Serial.printf("[WORKER] %s Submiting work valid!\n", (char *)name);
|
||||
while (!client.connected()) {
|
||||
client.connect(poolString, portNumber);
|
||||
vTaskDelay(1000 / portTICK_PERIOD_MS);
|
||||
}
|
||||
// STEP 3: Submit mining job
|
||||
id = getNextId(id);
|
||||
sprintf(payload, "{\"params\": [\"%s\",\"%s\",\"%s\",\"%s\",\"%s\"], \"id\": %u, \"method\": \"mining.submit\"}",
|
||||
btcString,
|
||||
job_id,
|
||||
extranonce2,
|
||||
ntime,
|
||||
String(nonce, HEX),
|
||||
id
|
||||
);
|
||||
Serial.print(" Sending : "); Serial.println(payload);
|
||||
client.print(payload);
|
||||
Serial.print(" Receiving: "); Serial.println(client.readString());
|
||||
tx_mining_submit(client, mWorker, mJob, nonce);
|
||||
client.stop();
|
||||
// exit
|
||||
nonce = MAX_NONCE;
|
||||
@ -525,56 +230,12 @@ void runWorker(void *name) {
|
||||
|
||||
mbedtls_sha256_free(&ctx);
|
||||
mbedtls_sha256_free(midstate);
|
||||
enableGlobalHash = false;
|
||||
|
||||
// TODO Pending doub
|
||||
if(hashes>=MAX_NONCE) { Mhashes=Mhashes+MAX_NONCE/1000000; hashes=hashes-MAX_NONCE;}
|
||||
|
||||
uint32_t duration = micros() - startT;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
//////////////////THREAD CALLS///////////////////
|
||||
|
||||
//Testeamos hashrate final usando hilo principal
|
||||
//this is currently on test
|
||||
|
||||
void runMiner(void){
|
||||
uint32_t nonce=0;
|
||||
unsigned char bytearray_blockheader[80];
|
||||
|
||||
if(!enableGlobalHash) return;
|
||||
|
||||
mbedtls_sha256_context midstate[32], ctx;
|
||||
unsigned char hash[32];
|
||||
|
||||
//Calcular midstate
|
||||
mbedtls_sha256_init(midstate);
|
||||
mbedtls_sha256_starts_ret(midstate, 0);
|
||||
mbedtls_sha256_update_ret(midstate, bytearray_blockheader, 64);
|
||||
|
||||
//Iteraciones
|
||||
unsigned char *header64 = bytearray_blockheader + 64;
|
||||
|
||||
for(nonce = 0; nonce < 10000; nonce++){
|
||||
memcpy(bytearray_blockheader + 77, &nonce, 3);
|
||||
mbedtls_sha256_clone(&ctx, midstate); //Clonamos el contexto anterior para continuar el SHA desde allí
|
||||
mbedtls_sha256_update_ret(&ctx, header64, 16);
|
||||
mbedtls_sha256_finish_ret(&ctx, hash);
|
||||
|
||||
// Segundo SHA-256
|
||||
mbedtls_sha256_starts_ret(&ctx, 0);
|
||||
mbedtls_sha256_update_ret(&ctx, hash, 32);
|
||||
mbedtls_sha256_finish_ret(&ctx, hash);
|
||||
|
||||
hashes++;
|
||||
}
|
||||
|
||||
mbedtls_sha256_free(&ctx);
|
||||
mbedtls_sha256_free(midstate);
|
||||
|
||||
}
|
||||
|
||||
void runMonitor(void *name){
|
||||
|
||||
24
src/mining.h
24
src/mining.h
@ -1,10 +1,28 @@
|
||||
|
||||
#ifndef MINING_API_H
|
||||
#define MINING_API_H
|
||||
|
||||
// Mining
|
||||
#define THREADS 1
|
||||
#define MAX_NONCE 5000000U
|
||||
#define TARGET_NONCE 471136297U
|
||||
#define DEFAULT_DIFFICULTY 1e-9;
|
||||
|
||||
#define TARGET_BUFFER_SIZE 64
|
||||
|
||||
void runMonitor(void *name);
|
||||
void runWorker(void *name);
|
||||
void runMiner(void);
|
||||
void runStratumWorker(void *name);
|
||||
void runMiner(void *name);
|
||||
String printLocalTime(void);
|
||||
|
||||
typedef struct{
|
||||
uint8_t bytearray_target[32];
|
||||
uint8_t bytearray_pooltarget[32];
|
||||
uint8_t merkle_result[32];
|
||||
uint8_t bytearray_blockheader[80];
|
||||
float difficulty;
|
||||
bool inRun;
|
||||
bool newJob;
|
||||
}miner_data;
|
||||
|
||||
|
||||
#endif // UTILS_API_H
|
||||
255
src/stratum.cpp
Normal file
255
src/stratum.cpp
Normal file
@ -0,0 +1,255 @@
|
||||
#include <Arduino.h>
|
||||
#include <ArduinoJson.h>
|
||||
#include <WiFi.h>
|
||||
#include "stratum.h"
|
||||
#include "cJSON.h"
|
||||
#include <string.h>
|
||||
#include <stdio.h>
|
||||
#include "esp_log.h"
|
||||
#include "lwip/sockets.h"
|
||||
#include "utils.h"
|
||||
|
||||
|
||||
|
||||
StaticJsonDocument<BUFFER_JSON_DOC> doc;
|
||||
unsigned long id = 1;
|
||||
|
||||
//Get next JSON RPC Id
|
||||
unsigned long getNextId(unsigned long id) {
|
||||
if (id == ULONG_MAX) {
|
||||
id = 1;
|
||||
return id;
|
||||
}
|
||||
return ++id;
|
||||
}
|
||||
|
||||
//Verify Payload doesn't has zero lenght
|
||||
bool verifyPayload (String* line){
|
||||
if(line->length() == 0) return false;
|
||||
line->trim();
|
||||
if(line->isEmpty()) return false;
|
||||
return true;
|
||||
|
||||
}
|
||||
|
||||
bool checkError(const StaticJsonDocument<BUFFER_JSON_DOC> doc) {
|
||||
|
||||
if (!doc.containsKey("error")) return false;
|
||||
|
||||
if (doc["error"].size() == 0) return false;
|
||||
|
||||
Serial.printf("ERROR: %d | reason: %s \n", (const int) doc["error"][0], (const char*) doc["error"][1]);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
// STEP 1: Pool server connection (SUBSCRIBE)
|
||||
// Docs:
|
||||
// - https://cs.braiins.com/stratum-v1/docs
|
||||
// - https://github.com/aeternity/protocol/blob/master/STRATUM.md#mining-subscribe
|
||||
bool tx_mining_subscribe(WiFiClient& client, mining_subscribe& mSubscribe)
|
||||
{
|
||||
char payload[BUFFER] = {0};
|
||||
|
||||
// Subscribe
|
||||
id = 1; //Initialize id messages
|
||||
sprintf(payload, "{\"id\": %u, \"method\": \"mining.subscribe\", \"params\": [\"NerdMinerV2\"]}\n", id);
|
||||
|
||||
Serial.printf("[WORKER] ==> Mining subscribe\n");
|
||||
Serial.print(" Sending : "); Serial.println(payload);
|
||||
client.print(payload);
|
||||
|
||||
vTaskDelay(200 / portTICK_PERIOD_MS); //Small delay
|
||||
|
||||
String line = client.readStringUntil('\n');
|
||||
if(!parse_mining_subscribe(line, mSubscribe)) return false;
|
||||
|
||||
|
||||
Serial.print(" sub_details: "); Serial.println(mSubscribe.sub_details);
|
||||
Serial.print(" extranonce1: "); Serial.println(mSubscribe.extranonce1);
|
||||
Serial.print(" extranonce2_size: "); Serial.println(mSubscribe.extranonce2_size);
|
||||
|
||||
if((mSubscribe.extranonce1.length() == 0) ) {
|
||||
Serial.printf("[WORKER] >>>>>>>>> Work aborted\n");
|
||||
Serial.printf("extranonce1 length: %u \n", mSubscribe.extranonce1.length());
|
||||
doc.clear();
|
||||
doc.garbageCollect();
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
bool parse_mining_subscribe(String line, mining_subscribe& mSubscribe)
|
||||
{
|
||||
if(!verifyPayload(&line)) return false;
|
||||
Serial.print(" Receiving: "); Serial.println(line);
|
||||
|
||||
DeserializationError error = deserializeJson(doc, line);
|
||||
|
||||
if (error || checkError(doc)) return false;
|
||||
if (!doc.containsKey("result")) return false;
|
||||
|
||||
mSubscribe.sub_details = String((const char*) doc["result"][0][0][1]);
|
||||
mSubscribe.extranonce1 = String((const char*) doc["result"][1]);
|
||||
mSubscribe.extranonce2_size = doc["result"][2];
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
mining_subscribe init_mining_subscribe(void)
|
||||
{
|
||||
mining_subscribe new_mSub;
|
||||
|
||||
new_mSub.extranonce1 = "";
|
||||
new_mSub.extranonce2 = "";
|
||||
new_mSub.extranonce2_size = 0;
|
||||
new_mSub.sub_details = "";
|
||||
|
||||
|
||||
return new_mSub;
|
||||
}
|
||||
|
||||
// STEP 2: Pool server auth (authorize)
|
||||
bool tx_mining_auth(WiFiClient& client, const char * user, const char * pass)
|
||||
{
|
||||
char payload[BUFFER] = {0};
|
||||
|
||||
// Authorize
|
||||
id = getNextId(id);
|
||||
sprintf(payload, "{\"params\": [\"%s\", \"%s\"], \"id\": %u, \"method\": \"mining.authorize\"}\n",
|
||||
user, pass, id);
|
||||
|
||||
Serial.printf("[WORKER] ==> Autorize work\n");
|
||||
Serial.print(" Sending : "); Serial.println(payload);
|
||||
client.print(payload);
|
||||
|
||||
vTaskDelay(200 / portTICK_PERIOD_MS); //Small delay
|
||||
|
||||
//Don't parse here any answer
|
||||
//Miner started to receive mining notifications so better parse all at main thread
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
stratum_method parse_mining_method(String line)
|
||||
{
|
||||
if(!verifyPayload(&line)) return STRATUM_PARSE_ERROR;
|
||||
Serial.print(" Receiving: "); Serial.println(line);
|
||||
|
||||
DeserializationError error = deserializeJson(doc, line);
|
||||
|
||||
if (error || checkError(doc)) return STRATUM_PARSE_ERROR;
|
||||
|
||||
if (!doc.containsKey("method")) return STRATUM_UNKNOWN;
|
||||
|
||||
stratum_method result = STRATUM_UNKNOWN;
|
||||
|
||||
if (strcmp("mining.notify", (const char*) doc["method"]) == 0) {
|
||||
result = MINING_NOTIFY;
|
||||
} else if (strcmp("mining.set_difficulty", (const char*) doc["method"]) == 0) {
|
||||
result = MINING_SET_DIFFICULTY;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
bool parse_mining_notify(String line, mining_job& mJob)
|
||||
{
|
||||
Serial.println(" Parsing Method [MINING NOTIFY]");
|
||||
if(!verifyPayload(&line)) return false;
|
||||
|
||||
DeserializationError error = deserializeJson(doc, line);
|
||||
|
||||
if (error) return false;
|
||||
if (!doc.containsKey("params")) return false;
|
||||
|
||||
mJob.job_id = String((const char*) doc["params"][0]);
|
||||
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];
|
||||
mJob.version = String((const char*) doc["params"][5]);
|
||||
mJob.nbits = String((const char*) doc["params"][6]);
|
||||
mJob.ntime = String((const char*) doc["params"][7]);
|
||||
mJob.clean_jobs = doc["params"][8]; //bool
|
||||
|
||||
#ifdef DEBUG_MINING
|
||||
Serial.print(" job_id: "); Serial.println(job_id);
|
||||
Serial.print(" prevhash: "); Serial.println(prev_block_hash);
|
||||
Serial.print(" coinb1: "); Serial.println(coinb1);
|
||||
Serial.print(" coinb2: "); Serial.println(coinb2);
|
||||
Serial.print(" merkle_branch size: "); Serial.println(merkle_branches.size());
|
||||
Serial.print(" version: "); Serial.println(version);
|
||||
Serial.print(" nbits: "); Serial.println(nbits);
|
||||
Serial.print(" ntime: "); Serial.println(ntime);
|
||||
Serial.print(" clean_jobs: "); Serial.println(clean_jobs);
|
||||
#endif
|
||||
//Check if parameters where correctly received
|
||||
if (checkError(doc)) {
|
||||
Serial.printf("[WORKER] >>>>>>>>> Work aborted\n");
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
bool tx_mining_submit(WiFiClient& client, mining_subscribe mWorker, mining_job mJob, unsigned long nonce)
|
||||
{
|
||||
char payload[BUFFER] = {0};
|
||||
|
||||
// Submit
|
||||
id = getNextId(id);
|
||||
sprintf(payload, "{\"id\": %u, \"method\": \"mining.submit\", \"params\": [\"%s\",\"%s\",\"%s\",\"%s\",\"%s\"]}\n",
|
||||
id,
|
||||
"bc1qvv469gmw4zz6qa4u4dsezvrlmqcqszwyfzhgwj", //mWorker.name,
|
||||
mJob.job_id,
|
||||
mWorker.extranonce2,
|
||||
mJob.ntime,
|
||||
String(nonce, HEX),
|
||||
id
|
||||
);
|
||||
Serial.print(" Sending : "); Serial.print(payload);
|
||||
client.print(payload);
|
||||
//Serial.print(" Receiving: "); Serial.println(client.readStringUntil('\n'));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool parse_mining_set_difficulty(String line, float& difficulty)
|
||||
{
|
||||
Serial.println(" Parsing Method [SET DIFFICULTY]");
|
||||
if(!verifyPayload(&line)) return false;
|
||||
|
||||
DeserializationError error = deserializeJson(doc, line);
|
||||
|
||||
if (error) return false;
|
||||
if (!doc.containsKey("params")) return false;
|
||||
|
||||
Serial.print(" difficulty: "); Serial.println((const char *)doc["params"][0]);
|
||||
//difficulty = (float) doc["params"][0];
|
||||
|
||||
#ifdef DEBUG_MINING
|
||||
Serial.print(" job_id: "); Serial.println(job_id);
|
||||
#endif
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/*
|
||||
int suggest_difficulty(int socket, uint32_t difficulty)
|
||||
{
|
||||
char difficulty_msg[BUFFER_SIZE];
|
||||
sprintf(difficulty_msg, "{\"id\": %d, \"method\": \"mining.suggest_difficulty\", \"params\": [%d]}\n", send_uid++, difficulty);
|
||||
ESP_LOGI(TAG, "-> %s", difficulty_msg);
|
||||
write(socket, difficulty_msg, strlen(difficulty_msg));
|
||||
char * line;
|
||||
line = receive_jsonrpc_line(socket);
|
||||
|
||||
ESP_LOGI(TAG, "Received result %s", line);
|
||||
|
||||
free(line);
|
||||
|
||||
return 1;
|
||||
}
|
||||
*/
|
||||
67
src/stratum.h
Normal file
67
src/stratum.h
Normal file
@ -0,0 +1,67 @@
|
||||
#ifndef STRATUM_API_H
|
||||
#define STRATUM_API_H
|
||||
|
||||
#include "cJSON.h"
|
||||
#include <stdint.h>
|
||||
#include <Arduino.h>
|
||||
#include <ArduinoJson.h>
|
||||
#include <WiFi.h>
|
||||
|
||||
#define MAX_MERKLE_BRANCHES 32
|
||||
#define HASH_SIZE 32
|
||||
#define COINBASE_SIZE 100
|
||||
#define COINBASE2_SIZE 128
|
||||
|
||||
#define BUFFER_JSON_DOC 4096
|
||||
#define BUFFER 1024
|
||||
|
||||
typedef struct {
|
||||
String sub_details;
|
||||
String extranonce1;
|
||||
String extranonce2;
|
||||
int extranonce2_size;
|
||||
String wName;
|
||||
String wPass;
|
||||
} mining_subscribe;
|
||||
|
||||
typedef struct {
|
||||
String job_id;
|
||||
String prev_block_hash;
|
||||
String coinb1;
|
||||
String coinb2;
|
||||
String nbits;
|
||||
JsonArray merkle_branch;
|
||||
String version;
|
||||
uint32_t target;
|
||||
String ntime;
|
||||
bool clean_jobs;
|
||||
} mining_job;
|
||||
|
||||
typedef enum {
|
||||
STRATUM_UNKNOWN,
|
||||
STRATUM_PARSE_ERROR,
|
||||
MINING_NOTIFY,
|
||||
MINING_SET_DIFFICULTY
|
||||
} stratum_method;
|
||||
|
||||
unsigned long getNextId(unsigned long id);
|
||||
bool verifyPayload (String* line);
|
||||
bool checkError(const StaticJsonDocument<BUFFER_JSON_DOC> doc);
|
||||
|
||||
//Method Mining.subscribe
|
||||
mining_subscribe init_mining_subscribe(void);
|
||||
bool tx_mining_subscribe(WiFiClient& client, mining_subscribe& mSubscribe);
|
||||
bool parse_mining_subscribe(String line, mining_subscribe& mSubscribe);
|
||||
|
||||
//Method Mining.authorise
|
||||
bool tx_mining_auth(WiFiClient& client, const char * user, const char * pass);
|
||||
stratum_method parse_mining_method(String line);
|
||||
bool parse_mining_notify(String line, mining_job& mJob);
|
||||
|
||||
//Method Mining.submit
|
||||
bool tx_mining_submit(WiFiClient& client, mining_subscribe mWorker, mining_job mJob, unsigned long nonce);
|
||||
|
||||
//Method Mining.set_difficulty
|
||||
bool parse_mining_set_difficulty(String line, float& difficulty);
|
||||
|
||||
#endif // STRATUM_API_H
|
||||
366
src/utils.cpp
Normal file
366
src/utils.cpp
Normal file
@ -0,0 +1,366 @@
|
||||
|
||||
#include <Arduino.h>
|
||||
#include "utils.h"
|
||||
#include "mining.h"
|
||||
#include "stratum.h"
|
||||
#include "mbedtls/sha256.h"
|
||||
|
||||
#include <string.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#ifndef bswap_16
|
||||
#define bswap_16(a) ((((uint16_t) (a) << 8) & 0xff00) | (((uint16_t) (a) >> 8) & 0xff))
|
||||
#endif
|
||||
|
||||
#ifndef bswap_32
|
||||
#define bswap_32(a) ((((uint32_t) (a) << 24) & 0xff000000) | \
|
||||
(((uint32_t) (a) << 8) & 0xff0000) | \
|
||||
(((uint32_t) (a) >> 8) & 0xff00) | \
|
||||
(((uint32_t) (a) >> 24) & 0xff))
|
||||
#endif
|
||||
|
||||
uint32_t swab32(uint32_t v) {
|
||||
return bswap_32(v);
|
||||
}
|
||||
|
||||
uint8_t hex(char ch) {
|
||||
uint8_t r = (ch > 57) ? (ch - 55) : (ch - 48);
|
||||
return r & 0x0F;
|
||||
}
|
||||
|
||||
int to_byte_array(const char *in, size_t in_size, uint8_t *out) {
|
||||
int count = 0;
|
||||
if (in_size % 2) {
|
||||
while (*in && out) {
|
||||
*out = hex(*in++);
|
||||
if (!*in)
|
||||
return count;
|
||||
*out = (*out << 4) | hex(*in++);
|
||||
*out++;
|
||||
count++;
|
||||
}
|
||||
return count;
|
||||
} else {
|
||||
while (*in && out) {
|
||||
*out++ = (hex(*in++) << 4) | hex(*in++);
|
||||
count++;
|
||||
}
|
||||
return count;
|
||||
}
|
||||
}
|
||||
|
||||
void swap_endian_words(const char * hex_words, uint8_t * output) {
|
||||
size_t hex_length = strlen(hex_words);
|
||||
if (hex_length % 8 != 0) {
|
||||
fprintf(stderr, "Must be 4-byte word aligned\n");
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
|
||||
size_t binary_length = hex_length / 2;
|
||||
|
||||
for (size_t i = 0; i < binary_length; i += 4) {
|
||||
for (int j = 0; j < 4; j++) {
|
||||
unsigned int byte_val;
|
||||
sscanf(hex_words + (i + j) * 2, "%2x", &byte_val);
|
||||
output[i + (3 - j)] = byte_val;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void reverse_bytes(uint8_t * data, size_t len) {
|
||||
for (int i = 0; i < len / 2; ++i) {
|
||||
uint8_t temp = data[i];
|
||||
data[i] = data[len - 1 - i];
|
||||
data[len - 1 - i] = temp;
|
||||
}
|
||||
}
|
||||
|
||||
static const double truediffone = 26959535291011309493156476344723991336010898738574164086137773096960.0;
|
||||
/* Converts a little endian 256 bit value to a double */
|
||||
double le256todouble(const void *target)
|
||||
{
|
||||
uint64_t *data64;
|
||||
double dcut64;
|
||||
|
||||
data64 = (uint64_t *)(target + 24);
|
||||
dcut64 = bswap64(*data64) * 6277101735386680763835789423207666416102355444464034512896.0;
|
||||
|
||||
data64 = (uint64_t *)(target + 16);
|
||||
dcut64 += bswap64(*data64) * 340282366920938463463374607431768211456.0;
|
||||
|
||||
data64 = (uint64_t *)(target + 8);
|
||||
dcut64 += bswap64(*data64) * 18446744073709551616.0;
|
||||
|
||||
data64 = (uint64_t *)(target);
|
||||
dcut64 += bswap64(*data64);
|
||||
|
||||
return dcut64;
|
||||
}
|
||||
|
||||
double diff_from_target(void *target)
|
||||
{
|
||||
double d64, dcut64;
|
||||
//reverse_bytes((uint8_t *) target, 32);
|
||||
|
||||
d64 = truediffone;
|
||||
dcut64 = le256todouble(target);
|
||||
if (unlikely(!dcut64))
|
||||
dcut64 = 1;
|
||||
return d64 / dcut64;
|
||||
}
|
||||
|
||||
/****************** PREMINING CALCULATIONS ********************/
|
||||
|
||||
|
||||
bool checkValid(unsigned char* hash, unsigned char* target) {
|
||||
bool valid = true;
|
||||
for(uint8_t i=31; i>=0; i--) {
|
||||
if(hash[i] > target[i]) {
|
||||
valid = false;
|
||||
break;
|
||||
} else if (hash[i] < target[i]) {
|
||||
valid = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
#ifdef DEBUG_MINING
|
||||
if (valid) {
|
||||
Serial.print("\tvalid : ");
|
||||
for (size_t i = 0; i < 32; i++)
|
||||
Serial.printf("%02x ", hash[i]);
|
||||
Serial.println();
|
||||
}
|
||||
#endif
|
||||
return valid;
|
||||
}
|
||||
|
||||
void getNextExtranonce2(int extranonce2_size, char *extranonce2) {
|
||||
|
||||
unsigned long extranonce2_number = strtoul(extranonce2, NULL, 10);
|
||||
extranonce2_number++;
|
||||
|
||||
memset(extranonce2, '0', 2 * extranonce2_size);
|
||||
if (extranonce2_number > long(pow(10, 2 * extranonce2_size))) {
|
||||
return;
|
||||
}
|
||||
|
||||
char next_extranounce2[2 * extranonce2_size + 1];
|
||||
memset(extranonce2, '0', 2 * extranonce2_size);
|
||||
ultoa(extranonce2_number, next_extranounce2, 10);
|
||||
memcpy(extranonce2 + (2 * extranonce2_size) - long(log10(extranonce2_number)) - 1 , next_extranounce2, strlen(next_extranounce2));
|
||||
extranonce2[2 * extranonce2_size] = 0;
|
||||
}
|
||||
|
||||
miner_data init_miner_data(void){
|
||||
|
||||
miner_data newMinerData;
|
||||
|
||||
newMinerData.difficulty = DEFAULT_DIFFICULTY;
|
||||
newMinerData.inRun = false;
|
||||
newMinerData.newJob = false;
|
||||
|
||||
return newMinerData;
|
||||
}
|
||||
|
||||
miner_data calculateMiningData(mining_subscribe& mWorker, mining_job mJob){
|
||||
|
||||
miner_data mMiner = init_miner_data();
|
||||
|
||||
// calculate target - target = (nbits[2:]+'00'*(int(nbits[:2],16) - 3)).zfill(64)
|
||||
|
||||
char target[TARGET_BUFFER_SIZE+1];
|
||||
memset(target, '0', TARGET_BUFFER_SIZE);
|
||||
int zeros = (int) strtol(mJob.nbits.substring(0, 2).c_str(), 0, 16) - 3;
|
||||
memcpy(target + zeros - 2, mJob.nbits.substring(2).c_str(), mJob.nbits.length() - 2);
|
||||
target[TARGET_BUFFER_SIZE] = 0;
|
||||
Serial.print(" target: "); Serial.println(target);
|
||||
|
||||
// bytearray target
|
||||
size_t size_target = to_byte_array(target, 32, mMiner.bytearray_target);
|
||||
|
||||
for (size_t j = 0; j < 8; j++) {
|
||||
mMiner.bytearray_target[j] ^= mMiner.bytearray_target[size_target - 1 - j];
|
||||
mMiner.bytearray_target[size_target - 1 - j] ^= mMiner.bytearray_target[j];
|
||||
mMiner.bytearray_target[j] ^= mMiner.bytearray_target[size_target - 1 - j];
|
||||
}
|
||||
|
||||
// get extranonce2 - extranonce2 = hex(random.randint(0,2**32-1))[2:].zfill(2*extranonce2_size)
|
||||
//To review
|
||||
char extranonce2_char[2 * mWorker.extranonce2_size+1];
|
||||
mWorker.extranonce2.toCharArray(extranonce2_char, 2 * mWorker.extranonce2_size + 1);
|
||||
getNextExtranonce2(mWorker.extranonce2_size, extranonce2_char);
|
||||
mWorker.extranonce2 = String(extranonce2_char);
|
||||
//mWorker.extranonce2 = "00000002";
|
||||
|
||||
//get coinbase - coinbase_hash_bin = hashlib.sha256(hashlib.sha256(binascii.unhexlify(coinbase)).digest()).digest()
|
||||
String coinbase = mJob.coinb1 + mWorker.extranonce1 + mWorker.extranonce2 + mJob.coinb2;
|
||||
Serial.print(" coinbase: "); Serial.println(coinbase);
|
||||
size_t str_len = coinbase.length()/2;
|
||||
uint8_t bytearray[str_len];
|
||||
|
||||
size_t res = to_byte_array(coinbase.c_str(), str_len*2, bytearray);
|
||||
|
||||
#ifdef DEBUG_MINING
|
||||
Serial.print(" extranonce2: "); Serial.println(extranonce2);
|
||||
Serial.print(" coinbase: "); Serial.println(coinbase);
|
||||
Serial.print(" coinbase bytes - size: "); Serial.println(res);
|
||||
for (size_t i = 0; i < res; i++)
|
||||
Serial.printf("%02x", bytearray[i]);
|
||||
Serial.println("---");
|
||||
#endif
|
||||
|
||||
mbedtls_sha256_context ctx;
|
||||
mbedtls_sha256_init(&ctx);
|
||||
|
||||
byte interResult[32]; // 256 bit
|
||||
byte shaResult[32]; // 256 bit
|
||||
|
||||
mbedtls_sha256_starts_ret(&ctx,0);
|
||||
mbedtls_sha256_update_ret(&ctx, bytearray, str_len);
|
||||
mbedtls_sha256_finish_ret(&ctx, interResult);
|
||||
|
||||
mbedtls_sha256_starts_ret(&ctx,0);
|
||||
mbedtls_sha256_update_ret(&ctx, interResult, 32);
|
||||
mbedtls_sha256_finish_ret(&ctx, shaResult);
|
||||
mbedtls_sha256_free(&ctx);
|
||||
|
||||
#ifdef DEBUG_MINING
|
||||
Serial.print(" coinbase double sha: ");
|
||||
for (size_t i = 0; i < 32; i++)
|
||||
Serial.printf("%02x", shaResult[i]);
|
||||
Serial.println("");
|
||||
#endif
|
||||
|
||||
|
||||
// copy coinbase hash
|
||||
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];
|
||||
uint8_t bytearray[32];
|
||||
size_t res = to_byte_array(merkle_element, 64, bytearray);
|
||||
|
||||
#ifdef DEBUG_MINING
|
||||
Serial.print(" merkle element "); Serial.print(k); Serial.print(": "); Serial.println(merkle_element);
|
||||
#endif
|
||||
for (size_t i = 0; i < 32; i++) {
|
||||
merkle_concatenated[i] = mMiner.merkle_result[i];
|
||||
merkle_concatenated[32 + i] = bytearray[i];
|
||||
}
|
||||
|
||||
#ifdef DEBUG_MINING
|
||||
Serial.print(" merkle element "); Serial.print(k); Serial.print(": "); Serial.println(merkle_element);
|
||||
Serial.print(" merkle concatenated: ");
|
||||
for (size_t i = 0; i < 64; i++)
|
||||
Serial.printf("%02x", merkle_concatenated[i]);
|
||||
Serial.println("");
|
||||
#endif
|
||||
|
||||
mbedtls_sha256_context ctx;
|
||||
mbedtls_sha256_init(&ctx);
|
||||
mbedtls_sha256_starts_ret(&ctx,0);
|
||||
mbedtls_sha256_update_ret(&ctx, merkle_concatenated, 64);
|
||||
mbedtls_sha256_finish_ret(&ctx, interResult);
|
||||
|
||||
mbedtls_sha256_starts_ret(&ctx,0);
|
||||
mbedtls_sha256_update_ret(&ctx, interResult, 32);
|
||||
mbedtls_sha256_finish_ret(&ctx, mMiner.merkle_result);
|
||||
mbedtls_sha256_free(&ctx);
|
||||
|
||||
#ifdef DEBUG_MINING
|
||||
Serial.print(" merkle sha : ");
|
||||
for (size_t i = 0; i < 32; i++)
|
||||
Serial.printf("%02x", merkle_result[i]);
|
||||
Serial.println("");
|
||||
#endif
|
||||
}
|
||||
// merkle root from merkle_result
|
||||
|
||||
Serial.print(" merkle sha : ");
|
||||
char merkle_root[65];
|
||||
for (int i = 0; i < 32; i++) {
|
||||
Serial.printf("%02x", mMiner.merkle_result[i]);
|
||||
snprintf(&merkle_root[i*2], 3, "%02x", mMiner.merkle_result[i]);
|
||||
}
|
||||
merkle_root[65] = 0;
|
||||
Serial.println("");
|
||||
|
||||
// calculate blockheader
|
||||
// j.block_header = ''.join([j.version, j.prevhash, merkle_root, j.ntime, j.nbits])
|
||||
String blockheader = mJob.version + mJob.prev_block_hash + String(merkle_root) + mJob.ntime + mJob.nbits + "00000000";
|
||||
str_len = blockheader.length()/2;
|
||||
|
||||
//uint8_t bytearray_blockheader[str_len];
|
||||
res = to_byte_array(blockheader.c_str(), str_len*2, mMiner.bytearray_blockheader);
|
||||
|
||||
#ifdef DEBUG_MINING
|
||||
Serial.println(" blockheader bytes "); Serial.print(str_len); Serial.print(" -> ");
|
||||
#endif
|
||||
|
||||
// reverse version
|
||||
uint8_t buff;
|
||||
size_t bsize, boffset;
|
||||
boffset = 0;
|
||||
bsize = 4;
|
||||
for (size_t j = boffset; j < boffset + (bsize/2); j++) {
|
||||
buff = mMiner.bytearray_blockheader[j];
|
||||
mMiner.bytearray_blockheader[j] = mMiner.bytearray_blockheader[2 * boffset + bsize - 1 - j];
|
||||
mMiner.bytearray_blockheader[2 * boffset + bsize - 1 - j] = buff;
|
||||
}
|
||||
|
||||
// reverse merkle
|
||||
boffset = 36;
|
||||
bsize = 32;
|
||||
for (size_t j = boffset; j < boffset + (bsize/2); j++) {
|
||||
buff = mMiner.bytearray_blockheader[j];
|
||||
mMiner.bytearray_blockheader[j] = mMiner.bytearray_blockheader[2 * boffset + bsize - 1 - j];
|
||||
mMiner.bytearray_blockheader[2 * boffset + bsize - 1 - j] = buff;
|
||||
}
|
||||
// reverse difficulty
|
||||
boffset = 72;
|
||||
bsize = 4;
|
||||
for (size_t j = boffset; j < boffset + (bsize/2); j++) {
|
||||
buff = mMiner.bytearray_blockheader[j];
|
||||
mMiner.bytearray_blockheader[j] = mMiner.bytearray_blockheader[2 * boffset + bsize - 1 - j];
|
||||
mMiner.bytearray_blockheader[2 * boffset + bsize - 1 - j] = buff;
|
||||
}
|
||||
|
||||
|
||||
#ifdef DEBUG_MINING
|
||||
Serial.print(" >>> bytearray_blockheader : ");
|
||||
for (size_t i = 0; i < 4; i++)
|
||||
Serial.printf("%02x", bytearray_blockheader[i]);
|
||||
Serial.println("");
|
||||
Serial.print("version ");
|
||||
for (size_t i = 0; i < 4; i++)
|
||||
Serial.printf("%02x", bytearray_blockheader[i]);
|
||||
Serial.println("");
|
||||
Serial.print("prev hash ");
|
||||
for (size_t i = 4; i < 4+32; i++)
|
||||
Serial.printf("%02x", bytearray_blockheader[i]);
|
||||
Serial.println("");
|
||||
Serial.print("merkle root ");
|
||||
for (size_t i = 36; i < 36+32; i++)
|
||||
Serial.printf("%02x", bytearray_blockheader[i]);
|
||||
Serial.println("");
|
||||
Serial.print("nbits ");
|
||||
for (size_t i = 68; i < 68+4; i++)
|
||||
Serial.printf("%02x", bytearray_blockheader[i]);
|
||||
Serial.println("");
|
||||
Serial.print("difficulty ");
|
||||
for (size_t i = 72; i < 72+4; i++)
|
||||
Serial.printf("%02x", bytearray_blockheader[i]);
|
||||
Serial.println("");
|
||||
Serial.print("nonce ");
|
||||
for (size_t i = 76; i < 76+4; i++)
|
||||
Serial.printf("%02x", bytearray_blockheader[i]);
|
||||
Serial.println("");
|
||||
Serial.println("bytearray_blockheader: ");
|
||||
for (size_t i = 0; i < str_len; i++) {
|
||||
Serial.printf("%02x", bytearray_blockheader[i]);
|
||||
}
|
||||
Serial.println("");
|
||||
#endif
|
||||
return mMiner;
|
||||
}
|
||||
31
src/utils.h
Normal file
31
src/utils.h
Normal file
@ -0,0 +1,31 @@
|
||||
#ifndef UTILS_API_H
|
||||
#define UTILS_API_H
|
||||
|
||||
#include <stddef.h>
|
||||
#include <stdint.h>
|
||||
#include "mining.h"
|
||||
#include "stratum.h"
|
||||
|
||||
/*
|
||||
* General byte order swapping functions.
|
||||
*/
|
||||
#define bswap16(x) __bswap16(x)
|
||||
#define bswap32(x) __bswap32(x)
|
||||
#define bswap64(x) __bswap64(x)
|
||||
|
||||
|
||||
|
||||
uint8_t hex(char ch);
|
||||
|
||||
int to_byte_array(const char *in, size_t in_size, uint8_t *out);
|
||||
|
||||
double le256todouble(const void *target);
|
||||
|
||||
double diff_from_target(void *target);
|
||||
|
||||
miner_data calculateMiningData(mining_subscribe& mWorker, mining_job mJob);
|
||||
|
||||
bool checkValid(unsigned char* hash, unsigned char* target);
|
||||
|
||||
|
||||
#endif // UTILS_API_H
|
||||
@ -143,6 +143,8 @@ void init_WifiManager()
|
||||
|
||||
// Change to true when testing to force configuration every time we run
|
||||
bool forceConfig = false;
|
||||
// Check if button2 is pressed to enter configMode with actual configuration
|
||||
if(!digitalRead(PIN_BUTTON_2)) forceConfig = true;
|
||||
|
||||
bool spiffsSetup = loadConfigFile();
|
||||
if (!spiffsSetup)
|
||||
@ -273,8 +275,23 @@ void reset_configurations() {
|
||||
}
|
||||
|
||||
|
||||
//----------------- MAIN PROCESS WIFI MANAGER --------------
|
||||
int oldStatus = 0;
|
||||
|
||||
void wifiManagerProcess() {
|
||||
|
||||
wm.process(); // avoid delays() in loop when non-blocking and other long running code
|
||||
|
||||
int newStatus = WiFi.status();
|
||||
if (newStatus != oldStatus) {
|
||||
if (newStatus == WL_CONNECTED) {
|
||||
Serial.println("CONNECTED - Current ip: " + WiFi.localIP().toString());
|
||||
} else {
|
||||
Serial.print("[Error] - current status: ");
|
||||
Serial.println(newStatus);
|
||||
}
|
||||
oldStatus = newStatus;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user