From f6ecbcc79d2c4e03bbee5571a3469613ebf2708d Mon Sep 17 00:00:00 2001
From: Alfred Kamanda <alfredmwaik@gmail.com>
Date: Mon, 16 Feb 2026 09:06:53 +0300
Subject: [PATCH] remove lowercase conversion of voucher addresses

---
 config/config.go                 | 5 ++---
 handlers/application/paydebt.go  | 2 +-
 handlers/application/vouchers.go | 6 +++---
 3 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/config/config.go b/config/config.go
index ec3821a..697bc15 100644
--- a/config/config.go
+++ b/config/config.go
@@ -111,7 +111,6 @@ func MinMpesaWithdrawAmount() float64 {
 	return f
 }
 
-
 func MaxMpesaSendAmount() float64 {
 	v := env.GetEnv("MAX_MPESA_SEND_AMOUNT", "250000")
 	f, err := strconv.ParseFloat(v, 64)
@@ -135,11 +134,11 @@ func StableVoucherAddresses() []string {
 
 	list := strings.Split(raw, ",")
 	for _, addr := range list {
-		clean := strings.ToLower(strings.TrimSpace(addr))
+		clean := strings.TrimSpace(addr)
 		if clean != "" {
 			parsed = append(parsed, clean)
 		}
 	}
 
 	return parsed
-}
\ No newline at end of file
+}
diff --git a/handlers/application/paydebt.go b/handlers/application/paydebt.go
index a836054..8b17a9f 100644
--- a/handlers/application/paydebt.go
+++ b/handlers/application/paydebt.go
@@ -310,7 +310,7 @@ func (h *MenuHandlers) InitiatePayDebt(ctx context.Context, sym string, input []
 }
 
 func isStableVoucher(tokenAddress string) bool {
-	addr := strings.ToLower(strings.TrimSpace(tokenAddress))
+	addr := strings.TrimSpace(tokenAddress)
 	for _, stable := range config.StableVoucherAddresses() {
 		if addr == stable {
 			return true
diff --git a/handlers/application/vouchers.go b/handlers/application/vouchers.go
index 2ff04df..cad629b 100644
--- a/handlers/application/vouchers.go
+++ b/handlers/application/vouchers.go
@@ -152,7 +152,7 @@ func (h *MenuHandlers) ManageVouchers(ctx context.Context, sym string, input []b
 	stablePriority := make(map[string]int)
 	stableAddresses := config.StableVoucherAddresses()
 	for i, addr := range stableAddresses {
-		stablePriority[strings.ToLower(addr)] = i
+		stablePriority[addr] = i
 	}
 
 	// Helper: order vouchers (stable first, priority-based)
@@ -169,8 +169,8 @@ func (h *MenuHandlers) ManageVouchers(ctx context.Context, sym string, input []b
 		}
 
 		sort.SliceStable(stable, func(i, j int) bool {
-			ai := stablePriority[strings.ToLower(stable[i].TokenAddress)]
-			aj := stablePriority[strings.ToLower(stable[j].TokenAddress)]
+			ai := stablePriority[stable[i].TokenAddress]
+			aj := stablePriority[stable[j].TokenAddress]
 			return ai < aj
 		})