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feat: change 3rd party price source to kraken

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Djuri Baars 2025-05-03 00:03:19 +02:00
parent 064fe8fe6c
commit 2ac2a62c61
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GPG Key ID: 61B9B2DDE5AA3AC1
1 changed files with 16 additions and 7 deletions
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23
src/lib/price_notify.cpp
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@ -1,6 +1,6 @@
#include "price_notify.hpp" #include "price_notify.hpp"
const char *wsServerPrice = "wss://ws.coincap.io/prices?assets=bitcoin"; const char *wsServerPrice = "wss://ws.kraken.com/v2";
WebSocketsClient webSocket; WebSocketsClient webSocket;
uint currentPrice = 90000; uint currentPrice = 90000;
@ -14,7 +14,7 @@ void onWebsocketPriceEvent(WStype_t type, uint8_t * payload, size_t length);
void setupPriceNotify() void setupPriceNotify()
{ {
webSocket.beginSSL("ws.coincap.io", 443, "/prices?assets=bitcoin"); webSocket.beginSSL("ws.kraken.com", 443, "/v2");
webSocket.onEvent([](WStype_t type, uint8_t * payload, size_t length) { webSocket.onEvent([](WStype_t type, uint8_t * payload, size_t length) {
onWebsocketPriceEvent(type, payload, length); onWebsocketPriceEvent(type, payload, length);
}); });
@ -32,7 +32,14 @@ void onWebsocketPriceEvent(WStype_t type, uint8_t * payload, size_t length) {
case WStype_CONNECTED: case WStype_CONNECTED:
{ {
Serial.println("Connected to " + String(wsServerPrice)); Serial.println("Connected to " + String(wsServerPrice));
priceNotifyInit = true;
JsonDocument doc;
doc["method"] = "subscribe";
JsonObject params = doc["params"].to<JsonObject>();
params["channel"] = "ticker";
params["symbol"][0] = "BTC/USD";
webSocket.sendTXT(doc.as<String>().c_str());
break; break;
} }
case WStype_TEXT: case WStype_TEXT:
@ -40,13 +47,15 @@ void onWebsocketPriceEvent(WStype_t type, uint8_t * payload, size_t length) {
JsonDocument doc; JsonDocument doc;
deserializeJson(doc, (char *)payload); deserializeJson(doc, (char *)payload);
if (doc["bitcoin"].is<JsonObject>()) if (doc["data"][0].is<JsonObject>())
{ {
if (currentPrice != doc["bitcoin"].as<long>()) float price = doc["data"][0]["last"].as<float>();
uint roundedPrice = round(price);
if (currentPrice != roundedPrice)
{ {
processNewPrice(doc["bitcoin"].as<long>(), CURRENCY_USD); processNewPrice(roundedPrice, CURRENCY_USD);
} }
} }
break; break;
} }
case WStype_BIN: case WStype_BIN: