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//ido
#include <ESP8266WiFi.h>
#include <WiFiUdp.h>
//ido
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
// If using software SPI (the default case):
#define OLED_MOSI 13 //D1
#define OLED_CLK 14 //D0
#define OLED_DC 2
#define OLED_CS 15
#define OLED_RESET 16
Adafruit_SSD1306 display(OLED_MOSI, OLED_CLK, OLED_DC, OLED_RESET, OLED_CS);
/*
____ __ __ ____ _ _ _____ ___ _____ ____ _ _
( _ \( )( )(_ _)( \( )( _ )___ / __)( _ )(_ _)( \( )
)(_) ))(__)( _)(_ ) ( )(_)((___)( (__ )(_)( _)(_ ) (
(____/(______)(____)(_)\_)(_____) \___)(_____)(____)(_)\_)
Official code for ESP8266 boards version 3.0
Duino-Coin Team & Community 2019-2022 © MIT Licensed
https://duinocoin.com
https://github.com/revoxhere/duino-coin
If you don't know where to start, visit official website and navigate to
the Getting Started page. Have fun mining!
*/
/* If optimizations cause problems, change them to -O0 (the default)
NOTE: For even better optimizations also edit your Crypto.h file.
On linux that file can be found in the following location:
~/.arduino15//packages/esp8266/hardware/esp8266/3.0.2/cores/esp8266/ */
#pragma GCC optimize ("-Ofast")
/* If during compilation the line below causes a
"fatal error: arduinoJson.h: No such file or directory"
message to occur; it means that you do NOT have the
ArduinoJSON library installed. To install it,
go to the below link and follow the instructions:
https://github.com/revoxhere/duino-coin/issues/832 */
#include <ArduinoJson.h>
/* If during compilation the line below causes a
"fatal error: Crypto.h: No such file or directory"
message to occur; it means that you do NOT have the
latest version of the ESP8266/Arduino Core library.
To install/upgrade it, go to the below link and
follow the instructions of the readme file:
https://github.com/esp8266/Arduino */
#include <Crypto.h> // experimental SHA1 crypto library
using namespace experimental::crypto;
#include <ESP8266WiFi.h>
#include <ESP8266mDNS.h>
#include <WiFiUdp.h>
#include <ArduinoOTA.h>
#include <ESP8266HTTPClient.h>
#include <WiFiClient.h>
#include <Ticker.h>
#include <ESP8266WebServer.h>
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
namespace {
// Change the part in brackets to your WiFi name
const char* SSID = "**********";
// Change the part in brackets to your WiFi password
const char* PASSWORD = "*********";
// Change the part in brackets to your Duino-Coin username
const char* USERNAME = "**********";
// Change the part in brackets if you want to set a custom miner name (use Auto to autogenerate)
const char* RIG_IDENTIFIER = "ESP-01";
// Change false to true if using 160 MHz clock mode to not get the first share rejected
const bool USE_HIGHER_DIFF = true;
/* Do not change the lines below. These lines are static and dynamic variables
that will be used by the program for counters and measurements. */
const char * DEVICE = "ESP8266";
const char * POOLPICKER_URL[] = {"https://server.duinocoin.com/getPool"};
const char * MINER_BANNER = "Official ESP8266 Miner";
const char * MINER_VER = "3.0";
const char * urlWallet = {"https://server.duinocoin.com/balances/"};
unsigned int share_count = 0;
unsigned int port = 0;
unsigned int difficulty = 0;
float hashrate = 0;
String AutoRigName = "";
String host = "";
String node_id = "";
String input = "";
float result_balance = 0;
const size_t capacity = 256;
int counter = 0;
int first = 1;
const char WEBSITE[] PROGMEM = R"=====(
<!DOCTYPE html>
<html>
<!--
Duino-Coin self-hosted dashboard
MIT licensed
Duino-Coin official 2019-2021
https://github.com/revoxhere/duino-coin
https://duinocoin.com
-->
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Duino-Coin @@DEVICE@@ dashboard</title>
<link rel="stylesheet" href="https://server.duinocoin.com/assets/css/mystyles.css">
<link rel="shortcut icon" href="https://github.com/revoxhere/duino-coin/blob/master/Resources/duco.png?raw=true">
<link rel="icon" type="image/png" href="https://github.com/revoxhere/duino-coin/blob/master/Resources/duco.png?raw=true">
</head>
<body>
<section class="section">
<div class="container">
<h1 class="title">
<img class="icon" src="https://github.com/revoxhere/duino-coin/blob/master/Resources/duco.png?raw=true">
@@DEVICE@@ <small>(@@ID@@)</small>
</h1>
<p class="subtitle">
Self-hosted, lightweight, official dashboard for your <strong>Duino-Coin</strong> miner
</p>
</div>
<br>
<div class="container">
<div class="columns">
<div class="column">
<div class="box">
<p class="subtitle">
Mining statistics
</p>
<div class="columns is-multiline">
<div class="column" style="min-width:15em">
<div class="title is-size-5 mb-0">
@@HASHRATE@@kH/s
</div>
<div class="heading is-size-5">
Hashrate
</div>
</div>
<div class="column" style="min-width:15em">
<div class="title is-size-5 mb-0">
@@DIFF@@
</div>
<div class="heading is-size-5">
Difficulty
</div>
</div>
<div class="column" style="min-width:15em">
<div class="title is-size-5 mb-0">
@@SHARES@@
</div>
<div class="heading is-size-5">
Shares
</div>
</div>
<div class="column" style="min-width:15em">
<div class="title is-size-5 mb-0">
@@NODE@@
</div>
<div class="heading is-size-5">
Node
</div>
</div>
</div>
</div>
</div>
<div class="column">
<div class="box">
<p class="subtitle">
Device information
</p>
<div class="columns is-multiline">
<div class="column" style="min-width:15em">
<div class="title is-size-5 mb-0">
@@DEVICE@@
</div>
<div class="heading is-size-5">
Device type
</div>
</div>
<div class="column" style="min-width:15em">
<div class="title is-size-5 mb-0">
@@ID@@
</div>
<div class="heading is-size-5">
Device ID
</div>
</div>
<div class="column" style="min-width:15em">
<div class="title is-size-5 mb-0">
@@MEMORY@@
</div>
<div class="heading is-size-5">
Free memory
</div>
</div>
<div class="column" style="min-width:15em">
<div class="title is-size-5 mb-0">
@@VERSION@@
</div>
<div class="heading is-size-5">
Miner version
</div>
</div>
</div>
</div>
</div>
</div>
<br>
<div class="has-text-centered">
<div class="title is-size-6 mb-0">
Hosted on
<a href="http://@@IP_ADDR@@">
http://<b>@@IP_ADDR@@</b>
</a>
•
<a href="https://duinocoin.com">
duinocoin.com
</a>
•
<a href="https://github.com/revoxhere/duino-coin">
github.com/revoxhere/duino-coin
</a>
</div>
</div>
</div>
</section>
</body>
</html>
)=====";
ESP8266WebServer server(80);
void UpdateHostPort(String input) {
// Thanks @ricaun for the code
DynamicJsonDocument doc(capacity);
deserializeJson(doc, input);
const char* name = doc["name"];
host = String((const char*)doc["ip"]);
port = int(doc["port"]);
node_id = String(name);
Serial.println("Poolpicker selected the best mining node: " + node_id);
}
String httpGetString(String URL) {
String payload = "";
WiFiClientSecure client;
client.setInsecure();
HTTPClient http;
if (http.begin(client, URL)) {
int httpCode = http.GET();
if (httpCode == HTTP_CODE_OK) payload = http.getString();
else Serial.printf("Error fetching node from poolpicker: %s\n", http.errorToString(httpCode).c_str());
http.end();
}
return payload;
}
void UpdatePool() {
String input = "";
int waitTime = 1;
int poolIndex = 0;
int poolSize = sizeof(POOLPICKER_URL) / sizeof(char*);
while (input == "") {
Serial.println("Fetching mining node from the poolpicker in " + String(waitTime) + "s");
input = httpGetString(POOLPICKER_URL[poolIndex]);
poolIndex += 1;
// Check if pool index needs to roll over
if( poolIndex >= poolSize ){
poolIndex %= poolSize;
delay(waitTime * 1000);
// Increase wait time till a maximum of 32 seconds (addresses: Limit connection requests on failure in ESP boards #1041)
waitTime *= 2;
if( waitTime > 32 )
waitTime = 32;
}
}
// Setup pool with new input
UpdateHostPort(input);
}
void UpdateWallet() {
String input = httpGetString(String(urlWallet) + String(USERNAME));
if (input == "") return;
DynamicJsonDocument doc(capacity);
deserializeJson(doc, input);
JsonObject result = doc["result"];
result_balance = result["balance"];
Serial.println("Balance: " + String(result_balance));
display.clearDisplay();
display.display();
display.setCursor(0,0);
display.print("Duino-Coin " + String(MINER_VER));
display.display();
display.setCursor(0,10);
display.print("User: " + String(USERNAME));
display.display();
display.setCursor(0,20);
display.print("Balance: " + String(result_balance));
display.display();
}
WiFiClient client;
String client_buffer = "";
String chipID = "";
String START_DIFF = "";
// Loop WDT... please don't feed me...
// See lwdtcb() and lwdtFeed() below
Ticker lwdTimer;
#define LWD_TIMEOUT 60000
unsigned long lwdCurrentMillis = 0;
unsigned long lwdTimeOutMillis = LWD_TIMEOUT;
#define END_TOKEN '\n'
#define SEP_TOKEN ','
#define LED_BUILTIN 2
#define BLINK_SHARE_FOUND 1
#define BLINK_SETUP_COMPLETE 2
#define BLINK_CLIENT_CONNECT 3
#define BLINK_RESET_DEVICE 5
void SetupWifi() {
Serial.println("Connecting to: " + String(SSID));
WiFi.mode(WIFI_STA); // Setup ESP in client mode
WiFi.setSleepMode(WIFI_NONE_SLEEP);
WiFi.begin(SSID, PASSWORD);
int wait_passes = 0;
while (WiFi.waitForConnectResult() != WL_CONNECTED) {
delay(500);
Serial.print(".");
if (++wait_passes >= 10) {
WiFi.begin(SSID, PASSWORD);
wait_passes = 0;
}
}
Serial.println("\n\nnSuccessfully connected to WiFi");
Serial.println("Local IP address: " + WiFi.localIP().toString());
Serial.println("Rig name: " + String(RIG_IDENTIFIER));
Serial.println();
UpdatePool();
}
void SetupOTA() {
// Prepare OTA handler
ArduinoOTA.onStart([]() {
Serial.println("Start");
});
ArduinoOTA.onEnd([]() {
Serial.println("\nEnd");
});
ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
});
ArduinoOTA.onError([](ota_error_t error) {
Serial.printf("Error[%u]: ", error);
if (error == OTA_AUTH_ERROR) Serial.println("Auth Failed");
else if (error == OTA_BEGIN_ERROR) Serial.println("Begin Failed");
else if (error == OTA_CONNECT_ERROR) Serial.println("Connect Failed");
else if (error == OTA_RECEIVE_ERROR) Serial.println("Receive Failed");
else if (error == OTA_END_ERROR) Serial.println("End Failed");
});
ArduinoOTA.setHostname(RIG_IDENTIFIER); // Give port a name not just address
ArduinoOTA.begin();
}
void blink(uint8_t count, uint8_t pin = LED_BUILTIN) {
uint8_t state = HIGH;
for (int x = 0; x < (count << 1); ++x) {
digitalWrite(pin, state ^= HIGH);
delay(50);
}
}
void RestartESP(String msg) {
Serial.println(msg);
Serial.println("Restarting ESP...");
blink(BLINK_RESET_DEVICE);
ESP.reset();
}
// Our new WDT to help prevent freezes
// code concept taken from https://sigmdel.ca/michel/program/esp8266/arduino/watchdogs2_en.html
void ICACHE_RAM_ATTR lwdtcb(void) {
if ((millis() - lwdCurrentMillis > LWD_TIMEOUT) || (lwdTimeOutMillis - lwdCurrentMillis != LWD_TIMEOUT))
RestartESP("Loop WDT Failed!");
}
void lwdtFeed(void) {
lwdCurrentMillis = millis();
lwdTimeOutMillis = lwdCurrentMillis + LWD_TIMEOUT;
}
void VerifyWifi() {
while (WiFi.status() != WL_CONNECTED || WiFi.localIP() == IPAddress(0, 0, 0, 0))
WiFi.reconnect();
}
void handleSystemEvents(void) {
VerifyWifi();
ArduinoOTA.handle();
yield();
}
// https://stackoverflow.com/questions/9072320/split-string-into-string-array
String getValue(String data, char separator, int index)
{
int found = 0;
int strIndex[] = {0, -1};
int max_index = data.length() - 1;
for (int i = 0; i <= max_index && found <= index; i++) {
if (data.charAt(i) == separator || i == max_index) {
found++;
strIndex[0] = strIndex[1] + 1;
strIndex[1] = (i == max_index) ? i + 1 : i;
}
}
return found > index ? data.substring(strIndex[0], strIndex[1]) : "";
}
void waitForClientData(void) {
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;
}
handleSystemEvents();
}
}
void ConnectToServer() {
if (client.connected())
return;
Serial.println("\n\nConnecting to the Duino-Coin server...");
while (!client.connect(host, port));
waitForClientData();
Serial.println("Connected to the server. Server version: " + client_buffer );
blink(BLINK_CLIENT_CONNECT); // Sucessfull connection with the server
}
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 dashboard() {
Serial.println("Handling HTTP client");
String s = WEBSITE;
s.replace("@@IP_ADDR@@", WiFi.localIP().toString());
s.replace("@@HASHRATE@@", String(hashrate / 1000));
s.replace("@@DIFF@@", String(difficulty / 100));
s.replace("@@SHARES@@", String(share_count));
s.replace("@@NODE@@", String(node_id));
s.replace("@@DEVICE@@", String(DEVICE));
s.replace("@@ID@@", String(RIG_IDENTIFIER));
s.replace("@@MEMORY@@", String(ESP.getFreeHeap()));
s.replace("@@VERSION@@", String(MINER_VER));
server.send(200, "text/html", s);
}
} // namespace
void setup() {
// Scroll part of the screen
display.setCursor(0,0);
display.setTextSize(1);
Serial.begin(9600);
display.begin(SSD1306_SWITCHCAPVCC, 0x3C); // Address 0x3C for 128x32
display.clearDisplay(); //Pulisce il buffer da inviare al display
display.display();
display.setTextSize(2); //Imposta la grandezza del testo
display.setTextColor(SSD1306_WHITE);
display.setCursor(0,10); //Imposta la posizione del cursore (Larghezza,Altezza)
display.print("JERRY WANG");
display.display();
delay(2000);
display.setTextSize(0); //Imposta la grandezza del testo
display.display();
Serial.println("\nDuino-Coin " + String(MINER_VER));
pinMode(LED_BUILTIN, OUTPUT);
// Autogenerate ID if required
chipID = String(ESP.getChipId(), HEX);
if( strcmp(RIG_IDENTIFIER, "Auto") == 0 ){
AutoRigName = "ESP8266-" + chipID;
AutoRigName.toUpperCase();
RIG_IDENTIFIER = AutoRigName.c_str();
}
SetupWifi();
SetupOTA();
lwdtFeed();
lwdTimer.attach_ms(LWD_TIMEOUT, lwdtcb);
if (USE_HIGHER_DIFF) START_DIFF = "ESP8266H";
else START_DIFF = "ESP8266";
if (!MDNS.begin(RIG_IDENTIFIER)) {
Serial.println("mDNS unavailable");
}
MDNS.addService("http", "tcp", 80);
Serial.print("Configured mDNS for dashboard on http://"
+ String(RIG_IDENTIFIER)
+ ".local (or http://"
+ WiFi.localIP().toString()
+ ")");
server.on("/", dashboard);
server.begin();
blink(BLINK_SETUP_COMPLETE);
}
void loop() {
// 1 minute watchdog
lwdtFeed();
// OTA handlers
VerifyWifi();
ArduinoOTA.handle();
server.handleClient();
ConnectToServer();
Serial.println("Asking for a new job for user: " + String(USERNAME));
client.print("JOB," + String(USERNAME) + "," + String(START_DIFF));
waitForClientData();
String last_block_hash = getValue(client_buffer, SEP_TOKEN, 0);
String expected_hash = getValue(client_buffer, SEP_TOKEN, 1);
difficulty = getValue(client_buffer, SEP_TOKEN, 2).toInt() * 100 + 1;
int job_len = last_block_hash.length() + expected_hash.length() + String(difficulty).length();
Serial.println("Received a correct job with size of " + String(job_len) + " bytes");
expected_hash.toUpperCase();
float start_time = micros();
max_micros_elapsed(start_time, 0);
String result = "";
digitalWrite(LED_BUILTIN, HIGH);
for (unsigned int duco_numeric_result = 0; duco_numeric_result < difficulty; duco_numeric_result++) {
// Difficulty loop
result = SHA1::hash(last_block_hash + String(duco_numeric_result));
if (result == expected_hash) {
// If result is found
unsigned long elapsed_time = micros() - start_time;
float elapsed_time_s = elapsed_time * .000001f;
hashrate = duco_numeric_result / elapsed_time_s;
share_count++;
digitalWrite(LED_BUILTIN, LOW);
client.print(String(duco_numeric_result)
+ ","
+ String(hashrate)
+ ","
+ String(MINER_BANNER)
+ " "
+ String(MINER_VER)
+ ","
+ String(RIG_IDENTIFIER)
+ ",DUCOID"
+ String(chipID));
waitForClientData();
Serial.println(client_buffer
+ " share #"
+ String(share_count)
+ " (" + String(duco_numeric_result) + ")"
+ " hashrate: "
+ String(hashrate / 1000, 2)
+ " kH/s ("
+ String(elapsed_time_s)
+ "s)");
if (first >= 1) {
UpdateWallet();
first = 0;
}
if (++counter >= 5) {
UpdateWallet();
counter = 0;
}
break;
}
if (max_micros_elapsed(micros(), 500000))
handleSystemEvents();
}
display.display();
display.startscrollright(0x00, 0x00);
}