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MiningJob.h
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MiningJob.h
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#pragma GCC optimize("-Ofast")
#ifndef MINING_JOB_H
#define MINING_JOB_H
#include <Arduino.h>
#include <assert.h>
#include <string.h>
#include <Ticker.h>
#include <WiFiClient.h>
#include "DSHA1.h"
#include "Counter.h"
#include "Settings.h"
// https://github.com/esp8266/Arduino/blob/master/cores/esp8266/TypeConversion.cpp
const char base36Chars[36] PROGMEM = {
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'
};
const uint8_t base36CharValues[75] PROGMEM{
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0, 0, // 0 to 9
10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 0, 0, 0, 0, 0, 0, // Upper case letters
10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35 // Lower case letters
};
#define SPC_TOKEN ' '
#define END_TOKEN '\n'
#define SEP_TOKEN ','
#define IOT_TOKEN '@'
struct MiningConfig {
String host = "";
int port = 0;
String DUCO_USER = "";
String RIG_IDENTIFIER = "";
String MINER_KEY = "";
String MINER_VER = SOFTWARE_VERSION;
#if defined(ESP8266)
// "High-band" 8266 diff
String START_DIFF = "ESP8266H";
#elif defined(CONFIG_FREERTOS_UNICORE)
// Single core 32 diff
String START_DIFF = "ESP32S";
#else
// Normal 32 diff
String START_DIFF = "ESP32";
#endif
MiningConfig(String DUCO_USER, String RIG_IDENTIFIER, String MINER_KEY)
: DUCO_USER(DUCO_USER), RIG_IDENTIFIER(RIG_IDENTIFIER), MINER_KEY(MINER_KEY) {}
};
class MiningJob {
public:
MiningConfig *config;
int core = 0;
MiningJob(int core, MiningConfig *config) {
this->core = core;
this->config = config;
this->client_buffer = "";
dsha1 = new DSHA1();
dsha1->warmup();
generateRigIdentifier();
}
void blink(uint8_t count, uint8_t pin = LED_BUILTIN) {
#if defined(LED_BLINKING)
uint8_t state = HIGH;
for (int x = 0; x < (count << 1); ++x) {
digitalWrite(pin, state ^= HIGH);
delay(50);
}
#else
digitalWrite(LED_BUILTIN, HIGH);
#endif
}
bool max_micros_elapsed(unsigned long current, unsigned long max_elapsed) {
static unsigned long _start = 0;
if ((current - _start) > max_elapsed) {
_start = current;
return true;
}
return false;
}
void handleSystemEvents(void) {
#if defined(ESP32) && CORE == 2
esp_task_wdt_reset();
#endif
delay(10); // Required vTaskDelay by ESP-IDF
yield();
//ArduinoOTA.handle();
}
void mine() {
connectToNode();
askForJob();
dsha1->reset().write((const unsigned char *)getLastBlockHash().c_str(), getLastBlockHash().length());
int start_time = micros();
max_micros_elapsed(start_time, 0);
#if defined(LED_BLINKING)
#if defined(BLUSHYBOX)
for (int i = 0; i < 72; i++) {
analogWrite(LED_BUILTIN, i);
delay(1);
}
#else
digitalWrite(LED_BUILTIN, LOW);
#endif
#endif
for (Counter<10> counter; counter < difficulty; ++counter) {
DSHA1 ctx = *dsha1;
ctx.write((const unsigned char *)counter.c_str(), counter.strlen()).finalize(hashArray);
#ifndef CONFIG_FREERTOS_UNICORE
#if defined(ESP32)
#define SYSTEM_TIMEOUT 100000 // 10ms for esp32 looks like the lowest value without false watchdog triggers
#else
#define SYSTEM_TIMEOUT 500000 // 50ms for 8266 for same reason as above
#endif
if (max_micros_elapsed(micros(), SYSTEM_TIMEOUT)) {
handleSystemEvents();
}
#endif
if (memcmp(getExpectedHash(), hashArray, 20) == 0) {
unsigned long elapsed_time = micros() - start_time;
float elapsed_time_s = elapsed_time * .000001f;
share_count++;
#if defined(LED_BLINKING)
#if defined(BLUSHYBOX)
for (int i = 72; i > 0; i--) {
analogWrite(LED_BUILTIN, i);
delay(1);
}
#else
digitalWrite(LED_BUILTIN, HIGH);
#endif
#endif
if (String(core) == "0") {
hashrate = counter / elapsed_time_s;
submit(counter, hashrate, elapsed_time_s);
} else {
hashrate_core_two = counter / elapsed_time_s;
submit(counter, hashrate_core_two, elapsed_time_s);
}
#if defined(BLUSHYBOX)
gauge_set(hashrate + hashrate_core_two);
#endif
break;
}
}
}
private:
String client_buffer;
uint8_t hashArray[20];
String last_block_hash;
String expected_hash_str;
uint8_t expected_hash[20];
DSHA1 *dsha1;
WiFiClient client;
String chipID = "";
#if defined(ESP8266)
#if defined(BLUSHYBOX)
String MINER_BANNER = "Official BlushyBox Miner (ESP8266)";
#else
String MINER_BANNER = "Official ESP8266 Miner";
#endif
#elif defined(CONFIG_FREERTOS_UNICORE)
String MINER_BANNER = "Official ESP32-S2 Miner";
#else
#if defined(BLUSHYBOX)
String MINER_BANNER = "Official BlushyBox Miner (ESP32)";
#else
String MINER_BANNER = "Official ESP32 Miner";
#endif
#endif
uint8_t *hexStringToUint8Array(const String &hexString, uint8_t *uint8Array, const uint32_t arrayLength) {
assert(hexString.length() >= arrayLength * 2);
const char *hexChars = hexString.c_str();
for (uint32_t i = 0; i < arrayLength; ++i) {
uint8Array[i] = (pgm_read_byte(base36CharValues + hexChars[i * 2] - '0') << 4) + pgm_read_byte(base36CharValues + hexChars[i * 2 + 1] - '0');
}
return uint8Array;
}
void generateRigIdentifier() {
String AutoRigName = "";
#if defined(ESP8266)
chipID = String(ESP.getChipId(), HEX);
if (strcmp(config->RIG_IDENTIFIER.c_str(), "Auto") != 0)
return;
AutoRigName = "ESP8266-" + chipID;
AutoRigName.toUpperCase();
config->RIG_IDENTIFIER = AutoRigName.c_str();
#else
//uint64_t chip_id = ESP.getEfuseMac();
//uint16_t chip = (uint16_t)(chip_id >> 32); // Prepare to print a 64 bit value into a char array
//char fullChip[23];
//snprintf(fullChip, 23, "%04X%08X", chip,
// (uint32_t)chip_id); // Store the (actually) 48 bit chip_id into a char array
//chipID = String(fullChip);
if (strcmp(config->RIG_IDENTIFIER.c_str(), "Auto") != 0)
return;
// Autogenerate ID if required
AutoRigName = "PiPicoW-1234";// + String(fullChip);
AutoRigName.toUpperCase();
config->RIG_IDENTIFIER = AutoRigName.c_str();
#endif
#if defined(SERIAL_PRINTING)
Serial.println("Core [" + String(core) + "] - Rig identifier: "
+ config->RIG_IDENTIFIER);
#endif
}
void connectToNode() {
if (client.connected()) return;
unsigned int stopWatch = millis();
#if defined(SERIAL_PRINTING)
Serial.println("Core [" + String(core) + "] - Connecting to a Duino-Coin node...");
#endif
while (!client.connect(config->host.c_str(), config->port)) {
if (max_micros_elapsed(micros(), 100000)) {
handleSystemEvents();
}
//if (millis()-stopWatch>100000) ESP.restart();
}
waitForClientData();
#if defined(SERIAL_PRINTING)
Serial.println("Core [" + String(core) + "] - Connected. Node reported version: "
+ client_buffer);
#endif
blink(BLINK_CLIENT_CONNECT);
/* client.print("MOTD" + END_TOKEN);
waitForClientData();
#if defined(SERIAL_PRINTING)
Serial.println("Core [" + String(core) + "] - MOTD: "
+ client_buffer);
#endif */
}
void waitForClientData() {
client_buffer = "";
while (client.connected()) {
if (client.available()) {
client_buffer = client.readStringUntil(END_TOKEN);
if (client_buffer.length() == 1 && client_buffer[0] == END_TOKEN)
client_buffer = "???\n"; // NOTE: Should never happen
break;
}
}
}
void submit(unsigned long counter, float hashrate, float elapsed_time_s) {
client.print(String(counter) +
SEP_TOKEN + String(hashrate) +
SEP_TOKEN + MINER_BANNER +
SPC_TOKEN + config->MINER_VER +
SEP_TOKEN + config->RIG_IDENTIFIER +
SEP_TOKEN + "DUCOID" + String(chipID) +
SEP_TOKEN + String(WALLET_ID) +
END_TOKEN);
unsigned long ping_start = millis();
waitForClientData();
ping = millis() - ping_start;
if (client_buffer == "GOOD") {
accepted_share_count++;
}
#if defined(SERIAL_PRINTING)
Serial.println("Core [" + String(core) + "] - " +
client_buffer +
" share #" + String(share_count) +
" (" + String(counter) + ")" +
" hashrate: " + String(hashrate / 1000, 2) + " kH/s (" +
String(elapsed_time_s) + "s)\n");
#endif
}
bool parse() {
// Create a non-constant copy of the input string
char *job_str_copy = strdup(client_buffer.c_str());
if (job_str_copy) {
String tokens[3];
char *token = strtok(job_str_copy, ",");
for (int i = 0; token != NULL && i < 3; i++) {
tokens[i] = token;
token = strtok(NULL, ",");
}
last_block_hash = tokens[0];
expected_hash_str = tokens[1];
hexStringToUint8Array(expected_hash_str, expected_hash, 20);
difficulty = tokens[2].toInt() * 100 + 1;
// Free the memory allocated by strdup
free(job_str_copy);
return true;
}
else {
// Handle memory allocation failure
return false;
}
}
void askForJob() {
Serial.println("Core [" + String(core) + "] - Asking for a new job for user: "
+ String(config->DUCO_USER));
#if defined(USE_DS18B20)
sensors.requestTemperatures();
float temp = sensors.getTempCByIndex(0);
#if defined(SERIAL_PRINTING)
Serial.println("DS18B20 reading: " + String(temp) + "°C");
#endif
client.print("JOB," +
String(config->DUCO_USER) +
SEP_TOKEN + config->START_DIFF +
SEP_TOKEN + String(config->MINER_KEY) +
SEP_TOKEN + "Temp:" + String(temp) + "*C" +
END_TOKEN);
#elif defined(USE_DHT)
float temp = dht.readTemperature();
float hum = dht.readHumidity();
#if defined(SERIAL_PRINTING)
Serial.println("DHT reading: " + String(temp) + "°C");
Serial.println("DHT reading: " + String(hum) + "%");
#endif
client.print("JOB," +
String(config->DUCO_USER) +
SEP_TOKEN + config->START_DIFF +
SEP_TOKEN + String(config->MINER_KEY) +
SEP_TOKEN + "Temp:" + String(temp) + "*C" +
IOT_TOKEN + "Hum:" + String(hum) + "%" +
END_TOKEN);
#elif defined(USE_HSU07M)
float temp = read_hsu07m();
#if defined(SERIAL_PRINTING)
Serial.println("HSU reading: " + String(temp) + "°C");
#endif
client.print("JOB," +
String(config->DUCO_USER) +
SEP_TOKEN + config->START_DIFF +
SEP_TOKEN + String(config->MINER_KEY) +
SEP_TOKEN + "Temp:" + String(temp) + "*C" +
END_TOKEN);
#elif defined(USE_INTERNAL_SENSOR)
float temp = 0;
temp_sensor_read_celsius(&temp);
#if defined(SERIAL_PRINTING)
Serial.println("Internal temp sensor reading: " + String(temp) + "°C");
#endif
client.print("JOB," +
String(config->DUCO_USER) +
SEP_TOKEN + config->START_DIFF +
SEP_TOKEN + String(config->MINER_KEY) +
SEP_TOKEN + "CPU Temp:" + String(temp) + "*C" +
END_TOKEN);
#else
client.print("JOB," +
String(config->DUCO_USER) +
SEP_TOKEN + config->START_DIFF +
SEP_TOKEN + String(config->MINER_KEY) +
END_TOKEN);
#endif
waitForClientData();
#if defined(SERIAL_PRINTING)
Serial.println("Core [" + String(core) + "] - Received job with size of "
+ String(client_buffer.length())
+ " bytes " + client_buffer);
#endif
parse();
#if defined(SERIAL_PRINTING)
Serial.println("Core [" + String(core) + "] - Parsed job: "
+ getLastBlockHash() + " "
+ getExpectedHashStr() + " "
+ String(getDifficulty()));
#endif
}
const String &getLastBlockHash() const { return last_block_hash; }
const String &getExpectedHashStr() const { return expected_hash_str; }
const uint8_t *getExpectedHash() const { return expected_hash; }
unsigned int getDifficulty() const { return difficulty; }
};
#endif