From 96f8293d45115a00b484efdcd2e83b9f91734f5b Mon Sep 17 00:00:00 2001
From: DaveVodrazka <dave.vodrazka@gmail.com>
Date: Wed, 8 Jan 2025 12:21:07 +0100
Subject: [PATCH 1/3] feat: useCall convert bigint in args to string

---
 packages/core/src/hooks/use-call.ts | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/packages/core/src/hooks/use-call.ts b/packages/core/src/hooks/use-call.ts
index 658006a9..b624d56e 100644
--- a/packages/core/src/hooks/use-call.ts
+++ b/packages/core/src/hooks/use-call.ts
@@ -121,13 +121,34 @@ function queryKey({
   args,
   blockIdentifier,
 }: { chain?: Chain; contract?: Contract } & CallArgs) {
+  function convertBigIntsToStrings(input: any): any {
+    if (typeof input === "bigint") {
+      return input.toString(10);
+    }
+    if (Array.isArray(input)) {
+      // Recursively process each element in the array
+      return input.map((item) => convertBigIntsToStrings(item));
+    }
+    if (input && typeof input === "object") {
+      // If it's an object, process each key-value pair
+      const result: { [key: string]: any } = {};
+      for (const key in input) {
+        if (Object.prototype.hasOwnProperty.call(input, key)) {
+          result[key] = convertBigIntsToStrings(input[key]);
+        }
+      }
+      return result;
+    }
+
+    return input;
+  }
   return [
     {
       entity: "readContract",
       chainId: chain?.name,
       contract: contract?.address,
       functionName,
-      args,
+      args: convertBigIntsToStrings(args),
       blockIdentifier,
     },
   ] as const;

From 7c601e3650dc8c30ef1c7e8e987b6eb7417f3369 Mon Sep 17 00:00:00 2001
From: DaveVodrazka <dave.vodrazka@gmail.com>
Date: Thu, 9 Jan 2025 12:10:16 +0100
Subject: [PATCH 2/3] Change files

---
 ...et-react-core-a41ab949-7f4b-43ab-9196-a874280859b9.json | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 change/@starknet-react-core-a41ab949-7f4b-43ab-9196-a874280859b9.json

diff --git a/change/@starknet-react-core-a41ab949-7f4b-43ab-9196-a874280859b9.json b/change/@starknet-react-core-a41ab949-7f4b-43ab-9196-a874280859b9.json
new file mode 100644
index 00000000..11c528db
--- /dev/null
+++ b/change/@starknet-react-core-a41ab949-7f4b-43ab-9196-a874280859b9.json
@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "feat: useCall convert bigint in args to string",
+  "packageName": "@starknet-react/core",
+  "email": "dave.vodrazka@gmail.com",
+  "dependentChangeType": "patch"
+}

From daa1c71a90fd0d3761765a5a6aa33a995938296e Mon Sep 17 00:00:00 2001
From: DaveVodrazka <dave.vodrazka@gmail.com>
Date: Thu, 9 Jan 2025 12:11:38 +0100
Subject: [PATCH 3/3] fix: useCall simpler stringification

---
 packages/core/src/hooks/use-call.ts | 25 +++----------------------
 1 file changed, 3 insertions(+), 22 deletions(-)

diff --git a/packages/core/src/hooks/use-call.ts b/packages/core/src/hooks/use-call.ts
index b624d56e..d0e4f4ef 100644
--- a/packages/core/src/hooks/use-call.ts
+++ b/packages/core/src/hooks/use-call.ts
@@ -121,34 +121,15 @@ function queryKey({
   args,
   blockIdentifier,
 }: { chain?: Chain; contract?: Contract } & CallArgs) {
-  function convertBigIntsToStrings(input: any): any {
-    if (typeof input === "bigint") {
-      return input.toString(10);
-    }
-    if (Array.isArray(input)) {
-      // Recursively process each element in the array
-      return input.map((item) => convertBigIntsToStrings(item));
-    }
-    if (input && typeof input === "object") {
-      // If it's an object, process each key-value pair
-      const result: { [key: string]: any } = {};
-      for (const key in input) {
-        if (Object.prototype.hasOwnProperty.call(input, key)) {
-          result[key] = convertBigIntsToStrings(input[key]);
-        }
-      }
-      return result;
-    }
-
-    return input;
-  }
   return [
     {
       entity: "readContract",
       chainId: chain?.name,
       contract: contract?.address,
       functionName,
-      args: convertBigIntsToStrings(args),
+      args: JSON.stringify(args, (_, v) =>
+        typeof v === "bigint" ? v.toString(10) : v,
+      ),
       blockIdentifier,
     },
   ] as const;