From 93ddb34d1fb83370d89ce001c8142de530c1717c Mon Sep 17 00:00:00 2001
From: Arne Baeumler <arne@br0tkasten.de>
Date: Fri, 1 May 2020 22:37:53 +0200
Subject: [PATCH] add crypto analyze

---
 scripts/crypto.csv       |  5 +++++
 scripts/cryptoAnalyze.sh | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+)
 create mode 100644 scripts/crypto.csv
 create mode 100755 scripts/cryptoAnalyze.sh

diff --git a/scripts/crypto.csv b/scripts/crypto.csv
new file mode 100644
index 0000000..e869331
--- /dev/null
+++ b/scripts/crypto.csv
@@ -0,0 +1,5 @@
+2020-04-21;BTC;0.00289369;20;1.49;6396.68
+2020-04-28;BTC;0.12019584;900;13.21;7377.44
+2020-04-28;LTC;1.11667004;50;1.99;42.99
+2020-04-28;EOS;8.987;25;1.49;2.62
+2020-04-28;XLM;361.076062;25;1.49;0.0651
diff --git a/scripts/cryptoAnalyze.sh b/scripts/cryptoAnalyze.sh
new file mode 100755
index 0000000..5d34846
--- /dev/null
+++ b/scripts/cryptoAnalyze.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+IFS=";"
+while read DATE CURRENCY COIN PRICE FEE BUYRATE;
+do
+	weeklyMax=$(rrdtool fetch rrd/crypto-${CURRENCY}.rrd AVERAGE --start -7d | grep -v -- '-nan' | sort -n -k 2 | tail -1 | awk '{print $2}' | sed 's/e+/ * 10^/g; s/e-/ * 10^-/g;' | bc -l)
+	current=$(rrdtool fetch rrd/crypto-${CURRENCY}.rrd LAST --start -10m | grep -v -- '-nan' | tail -1 | awk '{print $2}' | sed 's/e+/ * 10^/g; s/e-/ * 10^-/g' | bc -l)
+	curValue=$(echo "$COIN * $current - $FEE" | bc)
+	curProfit=$(printf "%0.2f" $(echo "$curValue - $PRICE" | bc))
+	maxDiff=$(echo "(($weeklyMax) - ($current)) / ($weeklyMax) * 100" | bc)
+
+	if [ "$CURRENCY" == "BTC" ] && [ "${current%%.*}" -lt "5000" ];
+	then
+		echo "[$CURRENCY] low exchange rate: $current EUR/${CURRENCY}\n  => Buy more?"
+		continue;	
+	fi
+
+	if [ "${maxDiff%%.*}" -gt "10" ];
+	then
+		echo "[$CURRENCY] exchange rate dropps by more than 10% (max: $weeklyMax EUR/${CURRENCY}, cur: $current EUR/${CURRENCY})\n  => Buy more?"
+		continue;
+	fi
+
+	if [ "0${maxDiff%%.*}" -gt "3" ];
+	then
+		echo "[$CURRENCY] prices dropping by more than 3% (max: $weeklyMax, cur: $current)"
+		if [ "0$curProfit" -gt "0" ];
+		then
+			echo "[$CURRENCY] profit: $curProfit EUR\n  => sell?"
+		fi
+	fi
+
+	echo "[$CURRENCY] profit: $curProfit EUR"
+done < $1