From ce534fc003ab548818af1b46163028d06a5e42ae Mon Sep 17 00:00:00 2001
From: Chris Smith <chris@reown.com>
Date: Fri, 18 Oct 2024 13:22:56 -0400
Subject: [PATCH] feat: create 6492 signature

---
 src/create.rs | 16 ++++++++++++++++
 src/lib.rs    |  2 ++
 2 files changed, 18 insertions(+)
 create mode 100644 src/create.rs

diff --git a/src/create.rs b/src/create.rs
new file mode 100644
index 0000000..8f0b239
--- /dev/null
+++ b/src/create.rs
@@ -0,0 +1,16 @@
+use alloy::{
+    primitives::{b256, Address, Bytes, B256},
+    sol_types::SolValue,
+};
+
+pub const ERC6492_MAGIC_BYTES: B256 =
+    b256!("6492649264926492649264926492649264926492649264926492649264926492");
+
+pub fn create_erc6492_signature(factory: Address, factory_data: Bytes, signature: Bytes) -> Bytes {
+    (
+        (factory, factory_data, signature).abi_encode_params(),
+        ERC6492_MAGIC_BYTES,
+    )
+        .abi_encode_packed()
+        .into()
+}
diff --git a/src/lib.rs b/src/lib.rs
index 4e02107..6748ed9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -7,6 +7,8 @@ use alloy::{
     transports::{Transport, TransportErrorKind},
 };
 
+pub mod create;
+
 const SUCCESS_RESULT: u8 = 0x01;
 sol! {
   contract ValidateSigOffchain {