From 1c6e18aa25d24e042bc7c97b6cf465a1aae2cf96 Mon Sep 17 00:00:00 2001
From: wjrjerome <wjrjerome@babylonchain.io>
Date: Fri, 10 Jan 2025 21:26:07 +1100
Subject: [PATCH 1/2] chore: use gas price from env

---
 src/app/hooks/client/rpc/mutation/useBbnTransaction.ts | 5 +++--
 src/config/index.ts                                    | 8 ++++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/app/hooks/client/rpc/mutation/useBbnTransaction.ts b/src/app/hooks/client/rpc/mutation/useBbnTransaction.ts
index 3a5d8845..66852a2f 100644
--- a/src/app/hooks/client/rpc/mutation/useBbnTransaction.ts
+++ b/src/app/hooks/client/rpc/mutation/useBbnTransaction.ts
@@ -1,10 +1,11 @@
 import { useCallback } from "react";
 
+import { BBN_GAS_PRICE } from "@/config";
+
 import { useSigningStargateClient } from "./useSigningStargateClient";
 
 const GAS_MULTIPLIER = 1.5;
 const GAS_DENOM = "ubbn";
-const GAS_PRICE = 0.002;
 
 export interface BbnGasFee {
   amount: { denom: string; amount: string }[];
@@ -29,7 +30,7 @@ export const useBbnTransaction = () => {
       const gasWanted = Math.ceil(gasEstimate * GAS_MULTIPLIER);
       return {
         amount: [
-          { denom: GAS_DENOM, amount: (gasWanted * GAS_PRICE).toFixed(0) },
+          { denom: GAS_DENOM, amount: (gasWanted * BBN_GAS_PRICE).toFixed(0) },
         ],
         gas: gasWanted.toString(),
       };
diff --git a/src/config/index.ts b/src/config/index.ts
index 668a435f..300cafcb 100644
--- a/src/config/index.ts
+++ b/src/config/index.ts
@@ -24,3 +24,11 @@ export const getBtcNetwork = (): Network => {
 
 export const IS_FIXED_TERM_FIELD =
   process.env.NEXT_PUBLIC_FIXED_STAKING_TERM === "true";
+
+export const BBN_GAS_PRICE = (() => {
+  const price = Number(process.env.NEXT_PUBLIC_BBN_GAS_PRICE) || 0.002;
+  if (isNaN(price) || price <= 0 || price >= 1) {
+    return 0.002; // fallback to default if invalid
+  }
+  return price;
+})();

From f0cd8c095fc813df75159851331cc7795aef420e Mon Sep 17 00:00:00 2001
From: wjrjerome <wjrjerome@babylonchain.io>
Date: Mon, 13 Jan 2025 20:43:34 +1100
Subject: [PATCH 2/2] add DEFAULT_BBN_GAS_PRICE

---
 src/config/index.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/config/index.ts b/src/config/index.ts
index 300cafcb..59f42135 100644
--- a/src/config/index.ts
+++ b/src/config/index.ts
@@ -2,6 +2,9 @@ import { Network } from "@/utils/wallet/btc_wallet_provider";
 
 import { network } from "./network/btc";
 
+// Default gas price for BABY
+const DEFAULT_BBN_GAS_PRICE = 0.002;
+
 // shouldDisplayTestingMsg function is used to check if the application is running in testing mode or not.
 // Default to true if the environment variable is not set.
 export const shouldDisplayTestingMsg = (): boolean => {
@@ -25,10 +28,11 @@ export const getBtcNetwork = (): Network => {
 export const IS_FIXED_TERM_FIELD =
   process.env.NEXT_PUBLIC_FIXED_STAKING_TERM === "true";
 
+// BBN_GAS_PRICE is used to get the gas price for BABY
 export const BBN_GAS_PRICE = (() => {
-  const price = Number(process.env.NEXT_PUBLIC_BBN_GAS_PRICE) || 0.002;
+  const price = parseFloat(process.env.NEXT_PUBLIC_BBN_GAS_PRICE || "");
   if (isNaN(price) || price <= 0 || price >= 1) {
-    return 0.002; // fallback to default if invalid
+    return DEFAULT_BBN_GAS_PRICE; // fallback to default if invalid
   }
   return price;
 })();