#include "price_notify.hpp" const char *wsServerPrice = "wss://ws.coincap.io/prices?assets=bitcoin"; // const char* coinCapWsCert = R"(-----BEGIN CERTIFICATE----- // MIIFMjCCBNmgAwIBAgIQBtgXvFyc28MsvQ1HjCnXJTAKBggqhkjOPQQDAjBKMQsw // CQYDVQQGEwJVUzEZMBcGA1UEChMQQ2xvdWRmbGFyZSwgSW5jLjEgMB4GA1UEAxMX // Q2xvdWRmbGFyZSBJbmMgRUNDIENBLTMwHhcNMjMwNTEwMDAwMDAwWhcNMjQwNTA5 // MjM1OTU5WjB1MQswCQYDVQQGEwJVUzETMBEGA1UECBMKQ2FsaWZvcm5pYTEWMBQG // A1UEBxMNU2FuIEZyYW5jaXNjbzEZMBcGA1UEChMQQ2xvdWRmbGFyZSwgSW5jLjEe // MBwGA1UEAxMVc25pLmNsb3VkZmxhcmVzc2wuY29tMFkwEwYHKoZIzj0CAQYIKoZI // zj0DAQcDQgAEpvFIXzQKHuqTo+IE6c6sB4p0PMXK1KsseEGf2UN/CNRhG5hO7lr8 // JtXrPZkawWBysZxOsEoetkPrDHMugCLfXKOCA3QwggNwMB8GA1UdIwQYMBaAFKXO // N+rrsHUOlGeItEX62SQQh5YfMB0GA1UdDgQWBBShsZDJohaR1a5E0Qj7yblZjKDC // gDA6BgNVHREEMzAxggwqLmNvaW5jYXAuaW+CCmNvaW5jYXAuaW+CFXNuaS5jbG91 // ZGZsYXJlc3NsLmNvbTAOBgNVHQ8BAf8EBAMCB4AwHQYDVR0lBBYwFAYIKwYBBQUH // AwEGCCsGAQUFBwMCMHsGA1UdHwR0MHIwN6A1oDOGMWh0dHA6Ly9jcmwzLmRpZ2lj // ZXJ0LmNvbS9DbG91ZGZsYXJlSW5jRUNDQ0EtMy5jcmwwN6A1oDOGMWh0dHA6Ly9j // cmw0LmRpZ2ljZXJ0LmNvbS9DbG91ZGZsYXJlSW5jRUNDQ0EtMy5jcmwwPgYDVR0g // BDcwNTAzBgZngQwBAgIwKTAnBggrBgEFBQcCARYbaHR0cDovL3d3dy5kaWdpY2Vy // dC5jb20vQ1BTMHYGCCsGAQUFBwEBBGowaDAkBggrBgEFBQcwAYYYaHR0cDovL29j // c3AuZGlnaWNlcnQuY29tMEAGCCsGAQUFBzAChjRodHRwOi8vY2FjZXJ0cy5kaWdp // Y2VydC5jb20vQ2xvdWRmbGFyZUluY0VDQ0NBLTMuY3J0MAwGA1UdEwEB/wQCMAAw // ggF+BgorBgEEAdZ5AgQCBIIBbgSCAWoBaAB1AO7N0GTV2xrOxVy3nbTNE6Iyh0Z8 // vOzew1FIWUZxH7WbAAABiAPnoRAAAAQDAEYwRAIgAP2W09OozuhmKeKKMsaVBcae // o+nPHF1WUWk0i387YYYCIDIM1Wll7/4O3GNx2/Fx9bC6pi69Uya4pLxsCfW3fZMe // AHYASLDja9qmRzQP5WoC+p0w6xxSActW3SyB2bu/qznYhHMAAAGIA+eg+QAABAMA // RzBFAiEAuNpSqrbx47gYBgBMz5M6q0CnV/WMJqWQOxYFKrwfwVACIH3nCs4bKToT // e+MiBrqSDaekixk4kPFEQESO9qHCkWY5AHcA2ra/az+1tiKfm8K7XGvocJFxbLtR // hIU0vaQ9MEjX+6sAAAGIA+eg1gAABAMASDBGAiEAolCFl2IfbOHUPAOxoi4BLclS // v9FVXb7LwIvTuCfyrEQCIQDcvehwhV9XGopKGl17F2LYYKI7hvlO3RmpPZQJt1da // MDAKBggqhkjOPQQDAgNHADBEAiAXRWZ/JVMsfpSFFTHQHUSqRnQ/7cCOWx+9svIy // mYnFZQIgHMEG0Cm7O4cn5KUzKOsTwwK+2U15s/jPUQi2n2IDTEM= // -----END CERTIFICATE-----)"; // WebsocketsClient client; esp_websocket_client_handle_t clientPrice = NULL; uint currentPrice = 30000; unsigned long int lastPriceUpdate; void setupPriceNotify() { // currentPrice = preferences.get("lastPrice", 30000); esp_websocket_client_config_t config = { .uri = wsServerPrice, // .task_stack = (7*1024), // .cert_pem = coinCapWsCert, .user_agent = USER_AGENT }; clientPrice = esp_websocket_client_init(&config); esp_websocket_register_events(clientPrice, WEBSOCKET_EVENT_ANY, onWebsocketPriceEvent, clientPrice); esp_websocket_client_start(clientPrice); } void onWebsocketPriceEvent(void *handler_args, esp_event_base_t base, int32_t event_id, void *event_data) { esp_websocket_event_data_t *data = (esp_websocket_event_data_t *)event_data; switch (event_id) { case WEBSOCKET_EVENT_CONNECTED: Serial.println(F("Connected to CoinCap.io WebSocket")); break; case WEBSOCKET_EVENT_DATA: onWebsocketPriceMessage(data); break; case WEBSOCKET_EVENT_ERROR: Serial.println(F("Price WS Connnection error")); break; case WEBSOCKET_EVENT_DISCONNECTED: Serial.println(F("Price WS Connnection Closed")); break; } } void onWebsocketPriceMessage(esp_websocket_event_data_t* event_data) { SpiRamJsonDocument doc(event_data->data_len); deserializeJson(doc, (char *)event_data->data_ptr); if (doc.containsKey("bitcoin")) { if (currentPrice != doc["bitcoin"].as()) { uint minSecPriceUpd = preferences.getUInt("minSecPriceUpd", DEFAULT_SECONDS_BETWEEN_PRICE_UPDATE); uint currentTime = esp_timer_get_time() / 1000000; if (lastPriceUpdate == 0 || (currentTime - lastPriceUpdate) > minSecPriceUpd) { // const unsigned long oldPrice = currentPrice; currentPrice = doc["bitcoin"].as(); preferences.putUInt("lastPrice", currentPrice); lastPriceUpdate = currentTime; // if (abs((int)(oldPrice-currentPrice)) > round(0.0015*oldPrice)) { if (workQueue != nullptr && (getCurrentScreen() == SCREEN_BTC_TICKER || getCurrentScreen() == SCREEN_MSCW_TIME || getCurrentScreen() == SCREEN_MARKET_CAP)) { WorkItem priceUpdate = {TASK_PRICE_UPDATE, 0}; xQueueSend(workQueue, &priceUpdate, portMAX_DELAY); } //} } } } } uint getPrice() { return currentPrice; } void setPrice(uint newPrice) { currentPrice = newPrice; } bool isPriceNotifyConnected() { if (clientPrice == NULL) return false; return esp_websocket_client_is_connected(clientPrice); } void stopPriceNotify() { esp_websocket_client_stop(clientPrice); esp_websocket_client_destroy(clientPrice); }