commit

2026-09-11 09:18:08 +00:00 · 2025-10-03 15:28:16 +08:00
parent d5c4b04746
commit fcb83bd16b
925 changed files with 165721 additions and 4 deletions
@@ -0,0 +1,64 @@
+'use strict';
+
+const ccxt = require ('ccxt');
+
+// your version must be 0.7+
+console.log ('CCXT Version:', ccxt.version)
+
+function handle (exchange, symbol, timeframe, candles) {
+    const lastCandle = candles[candles.length - 1]
+    const lastClosingPrice = lastCandle[4]
+    console.log (new Date (), exchange.id, timeframe, symbol, '\t', lastClosingPrice)
+}
+
+async function loop (exchange, symbol, timeframe) {
+    while (true) {
+        try {
+            const candles = await exchange.watchOHLCV (symbol, timeframe)
+            handle (exchange, symbol, timeframe, candles)
+        } catch (e) {
+            console.log (symbol, e)
+            // do nothing and retry on next loop iteration
+            // throw e // uncomment to break all loops in case of an error in any one of them
+            // break // you can also break just this one loop if it fails
+        }
+    }
+}
+
+async function main () {
+
+     const exchange = new ccxt.pro.binanceusdm () // usd(s)-margined contracts
+    //
+    // or
+    //
+    //  const exchange = new ccxt.pro.binance () // spot markets
+    //
+    // WARNING: when using the spot markets mind subscription limits!
+    // don't attempt to subscribe to all of them
+    // the exchanges will not allow that in general
+    // instead, specify a shorter list of symbols to subscribe to
+    //
+    // or
+    //
+    //  const exchange = new ccxt.pro.binancecoinm () // coin-margined contracts
+
+    if (exchange.has['watchOHLCV']) {
+        await exchange.loadMarkets ()
+        const timeframe = '15m'
+        // many symbols
+        await Promise.all (exchange.symbols.map (symbol => loop (exchange, symbol, timeframe)))
+        //
+        // or
+        //
+        // const symbols = [ 'BTC/USDT', 'ETH/USDT' ] // specific symbols
+        // await Promise.all (symbols.map (symbol => loop (exchange, symbol, timeframe)))
+        //
+        // or
+        //
+        // await loop (exchange, 'BTC/USDT', timeframe) // one symbol
+    } else {
+        console.log (exchange.id, 'does not support watchOHLCV yet')
+    }
+}
+
+main ()