#61 fix the stake change alert's message

Makefile

@@ -1,5 +1,7 @@
+TEST_CASE=.
+
 build:
 	CGO_CFLAGS="-Wno-deprecated-declarations" go build -ldflags '-s -w' -trimpath -o ./tenderduty main.go
 
 test:
-	CGO_CFLAGS="-Wno-deprecated-declarations" go test -v ./...
+	CGO_CFLAGS="-Wno-deprecated-declarations" go test -v -run "$(TEST_CASE)" ./...

td2/alert.go

@@ -769,7 +769,7 @@ func evaluateStakeChangeAlert(cc *ChainConfig) (bool, bool) {
 		} else if cc.Provider.Name == "namada" {
 			unit = "NAM"
 		}
-		message := fmt.Sprintf("%s's stake has %s by %.1g%% (%.1g %s now) compared to the previous check (%.1g %s)", cc.valInfo.Moniker, trend, math.Abs(stakeChangePercent)*100, stakeNow, unit, stakeBefore, unit)
+		message := fmt.Sprintf("%s's stake has %s by %.1f%% (%s %s now) compared to the previous check (%s %s)", cc.valInfo.Moniker, trend, math.Abs(stakeChangePercent)*100, utils.HumanSI(stakeNow), unit, utils.HumanSI(stakeBefore), unit)
 		if math.Abs(stakeChangePercent) >= threshold {
 			if !alarms.exist(cc.name, alertID) {
 				td.alert(cc.name, message, severity, false, &alertID)

td2/utils/formatters.go

@@ -0,0 +1,31 @@
+// Package utils
+package utils
+
+import (
+	"math"
+	"strconv"
+)
+
+func HumanSI(v float64) string {
+	abs := math.Abs(v)
+	var value float64
+	var suffix string
+
+	switch {
+	case abs >= 1_000_000_000:
+		value = v / 1_000_000_000
+		suffix = "B"
+	case abs >= 1_000_000:
+		value = v / 1_000_000
+		suffix = "M"
+	case abs >= 1_000:
+		value = v / 1_000
+		suffix = "K"
+	default:
+		// No suffix: return plain float without trailing zeros
+		return strconv.FormatFloat(v, 'f', -1, 64)
+	}
+
+	// Format without trailing zeros and return uppercase suffix
+	return strconv.FormatFloat(value, 'f', -1, 64) + suffix
+}