arcbtc · normandmickey · Oct 11, 2019
diff --git a/M5StackSatsON/M5StackSatsON_Autoconnect.ino b/M5StackSatsON/M5StackSatsON_Autoconnect.ino
@@ -0,0 +1,385 @@
+#include "ONSplash.c"
+#include <M5Stack.h> 
+#include <string.h>
+#include <ArduinoJson.h>
+#include <WiFiClientSecure.h>
+#include <math.h>
+#include <WiFi.h>
+#include <WebServer.h> 
+#include <AutoConnect.h>
+
+#define KEYBOARD_I2C_ADDR     0X08
+#define KEYBOARD_INT          5
+
+WebServer Server;
+AutoConnect      Portal(Server);
+
+
+//BLITZ DETAILS
+const char*  server = "api.opennode.co";
+const int httpsPort = 443;
+String apikey = "YOUR-OPENNODE-API-KEY";
+String description = "FLUX"; //invoice description
+String hints = "false"; 
+
+String choice = "";
+
+String on_currency = "BTCUSD";  //currency can be changed here ie BTCEUR BTCGBP etc
+String on_sub_currency = on_currency.substring(3);
+
+
+  String key_val;
+  String cntr = "0";
+  String inputs = "";
+  int keysdec;
+  int keyssdec;
+  float temp;  
+  String fiat;
+  float satoshis;
+  String nosats = "";
+  float conversion;
+  String postid = "";
+  String data_id = "";
+  String data_lightning_invoice_payreq = "";
+  String data_status = "";
+  bool settle = false;
+  String payreq = "";
+  String hash = "";
+
+void rootPage() {
+  char content[] = "Hello, world";
+  Server.send(200, "text/plain", content);
+}
+
+
+
+void page_input()
+{
+  M5.Lcd.fillScreen(BLACK);
+  M5.Lcd.setTextColor(TFT_WHITE);
+  M5.Lcd.setTextSize(3);
+  M5.Lcd.setCursor(0, 40);
+  M5.Lcd.println("Amount then C");
+  M5.Lcd.println("");
+  M5.Lcd.println("USD: ");
+  M5.Lcd.println("");
+  M5.Lcd.println("SATS: ");
+  M5.Lcd.println("");
+  M5.Lcd.println("");
+  M5.Lcd.setTextSize(2);
+  M5.Lcd.setCursor(50, 200);
+  M5.Lcd.println("TO RESET PRESS A");
+}
+
+void page_processing()
+{ 
+  M5.Lcd.fillScreen(BLACK);
+  M5.Lcd.setCursor(40, 80);
+  M5.Lcd.setTextSize(4);
+  M5.Lcd.setTextColor(TFT_WHITE);
+  M5.Lcd.println("PROCESSING");
+
+}
+
+void get_keypad(){
+
+   if(digitalRead(KEYBOARD_INT) == LOW) {
+    Wire.requestFrom(KEYBOARD_I2C_ADDR, 1);  // request 1 byte from keyboard
+    while (Wire.available()) { 
+       uint8_t key = Wire.read();                  // receive a byte as character
+       key_val = key;
+
+       if(key != 0) {
+        if(key >= 0x20 && key < 0x7F) { // ASCII String
+          if (isdigit((char)key)){
+          key_val = ((char)key);
+          }
+          else {
+          key_val = "";
+        } 
+        }
+      }
+    }
+  }
+}
+
+void page_qrdisplay(String xxx)
+{  
+
+  M5.Lcd.fillScreen(BLACK); 
+  M5.Lcd.qrcode(payreq,45,0,240,10);
+  delay(100);
+
+}
+
+void setup() {
+  delay(1000);
+  Serial.begin(115200);
+  Serial.println();
+
+  Server.on("/", rootPage);
+  Portal.begin();
+  Serial.println("Web server started:" +
+              WiFi.localIP().toString());
+  M5.begin();
+  M5.Lcd.drawBitmap(0, 0, 320, 240, (uint8_t *)ONSplash_map);
+  Wire.begin();
+
+  pinMode(KEYBOARD_INT, INPUT_PULLUP);
+
+  on_rates();
+}
+
+void loop() {
+  Portal.handleClient();
+
+ page_input();
+
+  cntr = "1";
+  while (cntr == "1"){
+   M5.update();
+   get_keypad(); 
+
+    if (M5.BtnC.wasReleased()) {
+   // if (key_val == "="){
+
+     page_processing();
+
+     reqinvoice(nosats);
+
+     page_qrdisplay(payreq);
+
+     int counta = 0;
+     int tempi = 0;
+     settle = false;
+
+     while (tempi == 0){
+
+
+
+     checkpayment(data_id);
+
+
+
+     if (data_status == "unpaid"){
+        counta ++;
+        Serial.print(counta);
+        if (counta == 100){
+         tempi = 1;
+        }
+      //  delay(300);
+     }
+
+       else{
+        tempi = 1;
+
+     M5.Lcd.fillScreen(BLACK);
+     M5.Lcd.setCursor(60, 80);
+     M5.Lcd.setTextSize(4);
+     M5.Lcd.setTextColor(TFT_GREEN);
+     M5.Lcd.println("COMPLETE");
+
+     delay(2000);
+     M5.Lcd.fillScreen(BLACK);
+     M5.Lcd.setTextColor(TFT_WHITE);
+     page_input();
+
+      }
+
+     int bee = 0;
+     while ((bee < 120) && (tempi==0)){
+
+      M5.update();
+
+
+     if (M5.BtnA.wasReleased()) {
+
+        tempi = -1;
+
+     M5.Lcd.fillScreen(BLACK);
+     M5.Lcd.setCursor(50, 80);
+     M5.Lcd.setTextSize(4);
+     M5.Lcd.setTextColor(TFT_RED);
+     M5.Lcd.println("CANCELLED");
+
+      delay(2000);
+
+     page_input();
+
+      }
+
+      delay(10);
+      bee++;
+     key_val = "";
+     inputs = "";
+
+     }
+
+
+     }
+
+     key_val = "";
+     inputs = "";
+    }
+
+     else if (M5.BtnA.wasReleased()) {
+    // else if (key_val == "+"){
+
+     M5.Lcd.fillScreen(BLACK);
+     M5.Lcd.setCursor(0, 0);
+     M5.Lcd.setTextColor(TFT_WHITE);
+      page_input();
+      key_val = "";
+      inputs = "";  
+      nosats = "";
+    }
+
+
+
+      inputs += key_val;
+
+      temp = inputs.toInt();
+
+      temp = temp / 100;
+
+      fiat = temp;
+
+      satoshis = temp/conversion;
+
+      int intsats = (int) round(satoshis*100000000.0);
+
+      nosats = String(intsats);
+        M5.Lcd.setTextSize(3);
+        M5.Lcd.setTextColor(TFT_RED, TFT_BLACK);
+        M5.Lcd.setCursor(70, 88);
+        M5.Lcd.println(fiat);
+        M5.Lcd.setTextColor(TFT_GREEN, TFT_BLACK);
+        M5.Lcd.setCursor(87, 136);
+        M5.Lcd.println(nosats);
+
+
+      delay(100);
+      key_val = "";
+
+
+
+  }
+}
+
+
+
+//OPENNODE REQUESTS
+
+void on_rates(){
+  WiFiClientSecure client;
+  if (!client.connect(server, httpsPort)) {
+    return;
+  }
+  String url = "/v1/rates";
+  client.print(String("GET ") + url + " HTTP/1.1\r\n" +
+               "Host: " + server + "\r\n" +
+               "User-Agent: ESP32\r\n" +
+               "Connection: close\r\n\r\n");
+  while (client.connected()) {
+    String line = client.readStringUntil('\n');
+    if (line == "\r") {
+
+      break;
+    }
+  }
+  String line = client.readStringUntil('\n');
+    const size_t capacity = 169*JSON_OBJECT_SIZE(1) + JSON_OBJECT_SIZE(168) + 3800;
+    DynamicJsonDocument doc(capacity);
+    deserializeJson(doc, line);
+    conversion = doc["data"][on_currency][on_currency.substring(3)]; 
+
+}
+
+
+
+void reqinvoice(String value){
+
+  WiFiClientSecure client;
+
+  if (!client.connect(server, httpsPort)) {
+
+    return;
+  }
+
+  String topost = "{  \"amount\": \""+ value +"\", \"description\": \""+ description  +"\", \"route_hints\": \""+ hints  +"\"}";
+  String url = "/v1/charges";
+
+   client.print(String("POST ") + url + " HTTP/1.1\r\n" +
+                 "Host: " + server + "\r\n" +
+                 "User-Agent: ESP32\r\n" +
+                 "Authorization: " + apikey + "\r\n" +
+                 "Content-Type: application/json\r\n" +
+                 "Connection: close\r\n" +
+                 "Content-Length: " + topost.length() + "\r\n" +
+                 "\r\n" + 
+                 topost + "\n");
+
+  while (client.connected()) {
+    String line = client.readStringUntil('\n');
+    if (line == "\r") {
+
+      break;
+    }
+  }
+  String line = client.readStringUntil('\n');
+
+
+    const size_t capacity = 169*JSON_OBJECT_SIZE(1) + JSON_OBJECT_SIZE(168) + 3800;
+    DynamicJsonDocument doc(capacity);
+
+    deserializeJson(doc, line);
+
+    String data_idd = doc["data"]["id"]; 
+    data_id = data_idd;
+    String data_lightning_invoice_payreqq = doc["data"]["lightning_invoice"]["payreq"];
+    payreq = data_lightning_invoice_payreqq;
+
+}
+
+
+void checkpayment(String PAYID){
+
+WiFiClientSecure client;
+
+  if (!client.connect(server, httpsPort)) {
+
+    return;
+  }
+
+  String url = "/v1/charge/" + PAYID;
+
+
+  client.print(String("GET ") + url + " HTTP/1.1\r\n" +
+               "Host: " + server + "\r\n" +
+               "Authorization: " + apikey + "\r\n" +
+               "User-Agent: ESP32\r\n" +
+               "Connection: close\r\n\r\n");
+
+
+  while (client.connected()) {
+
+
+    String line = client.readStringUntil('\n');
+    if (line == "\r") {
+      break;
+    }
+  }
+  String line = client.readStringUntil('\n');
+
+
+
+const size_t capacity = JSON_OBJECT_SIZE(1) + JSON_OBJECT_SIZE(2) + JSON_OBJECT_SIZE(4) + JSON_OBJECT_SIZE(14) + 650;
+ DynamicJsonDocument doc(capacity);
+
+    deserializeJson(doc, line);
+
+String data_statuss = doc["data"]["status"]; 
+data_status = data_statuss;
+
+
+}