From eb6d72c4b0bf837b2872aa6e21de6a05f14e1871 Mon Sep 17 00:00:00 2001
From: Joe Tretter <j.tretter@gmail.com>
Date: Wed, 2 Dec 2020 08:05:45 -0600
Subject: [PATCH] parameterize so it can be used for all pairs.

---
 ...adeHistoryXMR.js => KrakenTradeHistory.js} | 32 +++++++++++++------
 1 file changed, 23 insertions(+), 9 deletions(-)
 rename kraken-api_plain/{KrakenTradeHistoryXMR.js => KrakenTradeHistory.js} (74%)

diff --git a/kraken-api_plain/KrakenTradeHistoryXMR.js b/kraken-api_plain/KrakenTradeHistory.js
similarity index 74%
rename from kraken-api_plain/KrakenTradeHistoryXMR.js
rename to kraken-api_plain/KrakenTradeHistory.js
index 6e40d8c..2901b2e 100644
--- a/kraken-api_plain/KrakenTradeHistoryXMR.js
+++ b/kraken-api_plain/KrakenTradeHistory.js
@@ -14,9 +14,15 @@ const kraken       = new KrakenClient(key, secret);
                         ofs : 0		
 		};
 		try {
+			// get the pair to process from the first parameter and fall back if not provided.
+			let thePair=process.argv[2];
+			if (thePair===undefined) {
+				thePair="XXMRZUSD";
+			}
+			console.log("Processing pair: ", thePair);
 			let allBalances=await kraken.api('Balance');
 			//console.log(JSON.stringify(allBalances));
-			let etcUsdQuote = await kraken.api('Ticker', { pair : 'XMRUSD' });
+			let etcUsdQuote = await kraken.api('Ticker', { pair : thePair });
 			//console.log(JSON.stringify(etcUsdQuote));
 			let allTransactions = await kraken.api('TradesHistory', params);
 	
@@ -26,11 +32,13 @@ const kraken       = new KrakenClient(key, secret);
 			let sumUSD=0;
 			let sumCommission=0;
 			let numTrans=allTradeIDs.length;
+			let numTrades=0;
 			for (let i=0;i<numTrans;i++){
 				params.ofs+=1;
 				let theTrade=allTransactions.result.trades[allTradeIDs[i]];
-				if (theTrade.pair==="XMRUSD") {
-					console.log("XMR",JSON.stringify(theTrade));
+				if (theTrade.pair===thePair) {
+					numTrades++;
+					console.log(JSON.stringify(theTrade));
 					let multiplier=1;
 					if (theTrade.type==="buy") {
 						multiplier=-1;
@@ -61,22 +69,28 @@ const kraken       = new KrakenClient(key, secret);
 			//	console.log(date," -> ",dailyResults[date]);
 			}); 
 			
-			console.log("# trades               : ", params.ofs-1);
+			console.log("# trades               : ", numTrades);
 			console.log("SUM USD                : ", sumUSD);
 			console.log("SUM fees               : ", sumCommission);
 			let netGain = sumUSD - sumCommission;
 			console.log("Net Gain               : ", netGain);
 			
-			let numCoinsHeld = Number(allBalances.result.XMR);
-			console.log("# coins Held           : ", numCoinsHeld);
-			let sellPrice = Number(etcUsdQuote.result.XMRUSD.b[0]);
+			// find the currency by looking for "startsWith" match in the symbol in the pair..
+			let theCurrency=undefined;
+			Object.keys(allBalances.result).forEach((currency)=>{
+				if (thePair.indexOf(currency)===0) {
+					theCurrency=currency;
+				}
+			});
+				
+			let numCoinsHeld = Number(allBalances.result[theCurrency]);
+			console.log("# coins Held           : ", numCoinsHeld, " [", theCurrency,"]");
+			let sellPrice = Number(etcUsdQuote.result[thePair].b[0]);
 			console.log("Current Price          : ", sellPrice);
 			let worthHeldCoins = numCoinsHeld * sellPrice;
 			console.log("Worth held coins       : ", worthHeldCoins);
 			let netLiq = netGain + worthHeldCoins;
 			console.log("Net Liquidation Gain   : " , netLiq);
-		
-
 		} catch (ex) {
 			console.error("Error getting trade history: ", ex.message);
 		}