From ad0b953fe85baf25181f21e9fab970f28c424e32 Mon Sep 17 00:00:00 2001
From: Alexandre Paillier <alexandre.paillier@ledger.fr>
Date: Wed, 15 Nov 2023 16:13:49 +0100
Subject: [PATCH] Fix incorrect assumption on max possible chain ID size

---
 src/shared_context.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/shared_context.h b/src/shared_context.h
index f83320c..c87f286 100644
--- a/src/shared_context.h
+++ b/src/shared_context.h
@@ -176,14 +176,15 @@ typedef enum {
 #endif
 } contract_call_t;
 
-#define NETWORK_STRING_MAX_SIZE 16
+// must be able to hold in decimal up to : floor(MAX_UINT64 / 2) - 36
+#define NETWORK_STRING_MAX_SIZE 19
 
 typedef struct txStringProperties_s {
     char fullAddress[43];
     char fullAmount[79];  // 2^256 is 78 digits long
     char maxFee[50];
     char nonce[8];  // 10M tx per account ought to be enough for everybody
-    char network_name[NETWORK_STRING_MAX_SIZE];
+    char network_name[NETWORK_STRING_MAX_SIZE + 1];
 } txStringProperties_t;
 
 #ifdef TARGET_NANOS