From c0d402b234926da276834e19a8ab2cf8db0ff8b5 Mon Sep 17 00:00:00 2001
From: Sosthene <contact@sosthene.net>
Date: Sun, 15 Jun 2025 22:07:23 +0200
Subject: [PATCH] Add `service.utils` with `splitPrivateData` and
 `isValid32ByteHex`

---
 src/utils/service.utils.ts | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 src/utils/service.utils.ts

diff --git a/src/utils/service.utils.ts b/src/utils/service.utils.ts
new file mode 100644
index 0000000..8f84400
--- /dev/null
+++ b/src/utils/service.utils.ts
@@ -0,0 +1,24 @@
+export function splitPrivateData(data: Record<string, any>, privateFields: string[]): { privateData: Record<string, any>, publicData: Record<string, any> } {
+  const privateData: Record<string, any> = {};
+  const publicData: Record<string, any> = {};
+
+  for (const [key, value] of Object.entries(data)) {
+    if (privateFields.includes(key)) {
+      privateData[key] = value;
+    } else {
+      publicData[key] = value;
+    }
+  }
+
+  return { privateData, publicData };
+}
+
+export function isValid32ByteHex(value: string): boolean {
+  // Check if string is exactly 64 characters (32 bytes in hex)
+  if (value.length !== 64) {
+    return false;
+  }
+  
+  // Check if string only contains valid hex characters
+  return /^[0-9a-fA-F]{64}$/.test(value);
+}