wip

lib/siwe/native.ex

@@ -26,7 +26,6 @@ defmodule Siwe.Native do
 
   def parse(_msg), do: nif_error()
   def to_str(_msg), do: nif_error()
-  def verify_sig(_msg, _sig), do: nif_error()
   def verify(_msg, _sig, _opts), do: nif_error()
   def parse_if_valid(_msg, _sig, _opts), do: nif_error()
   def generate_nonce, do: nif_error()

native/siwe_native/src/lib.rs

@@ -1,4 +1,7 @@
-use alloy::primitives::{hex::FromHex, Address};
+use alloy::primitives::{
+    hex::{self, FromHex},
+    Address,
+};
 use http::uri::Authority;
 use iri_string::types::UriString;
 use rustler::{types::atom::ok, Atom, Encoder, Env, NifStruct, OwnedEnv};
@@ -8,7 +11,7 @@ use time::{format_description::well_known::Rfc3339, OffsetDateTime};
 
 mod runtime;
 
-#[derive(NifStruct)]
+#[derive(Debug, NifStruct)]
 #[module = "Siwe.Message"]
 pub struct Parsed {
     pub domain: String,
@@ -25,7 +28,7 @@ pub struct Parsed {
     pub resources: Vec<String>,
 }
 
-#[derive(NifStruct)]
+#[derive(Debug, NifStruct)]
 #[module = "Siwe.VerifyOptions"]
 pub struct VerifyOptions {
     pub domain: Option<String>,
@@ -47,6 +50,7 @@ impl Into<VerificationOpts> for VerifyOptions {
                 .map(|timestamp| OffsetDateTime::parse(&timestamp, &Rfc3339).ok())
                 .flatten(),
             rpc_provider: self.rpc_url.map(|rpc_url| {
+                dbg!(&rpc_url);
                 let rpc_url = rpc_url.parse().unwrap();
                 alloy::providers::ProviderBuilder::new().on_http(rpc_url)
             }),
@@ -143,17 +147,28 @@ fn to_str(message: Parsed) -> Result<String, String> {
 #[rustler::nif]
 fn verify(env: Env, message: Parsed, sig: String, opts: VerifyOptions) -> Atom {
     let caller = env.pid();
+
+    dbg!(&message);
+    dbg!(&sig);
+
     let opts: VerificationOpts = opts.into();
 
+    dbg!("verify");
+
     runtime::spawn(async move {
         let result = match message.to_eip4361_message() {
-            Ok(m) => match <[u8; 65]>::from_hex(sig.chars().skip(2).collect::<String>()) {
-                Ok(s) => m.verify(&s, &opts).await.is_ok(),
+            Ok(m) => match hex::decode(sig) {
+                Ok(s) => {
+                    dbg!(&s);
+                    m.verify(&s.to_vec(), &opts).await.is_ok()
+                }
                 Err(_) => false,
             },
             Err(_) => false,
         };
 
+        dbg!(&result);
+
         let _ = OwnedEnv::new().send_and_clear(&caller, move |env| result.encode(env));
     });
 

test/siwe_test.exs

@@ -131,4 +131,24 @@ Expiration Time: 2021-12-18T20:21:39.907Z"
 
     {:error, _} = Siwe.parse_if_valid(msg, sig)
   end
+
+  test "verifies smart wallet signature on base-sepolia" do
+    msg = "login.xyz wants you to sign in with your Ethereum account:
+0x3e5608baE5e195F7EB12792f0Ba1aEf911F364E9
+
+Sign-In With Ethereum Example Statement
+
+URI: https://login.xyz
+Version: 1
+Chain ID: 84532
+Nonce: ToTaLLyRanDOM
+Issued At: 2021-12-16T20:21:39.911Z"
+
+    assert {:ok, msg} = Siwe.parse(msg)
+
+    sig =
+      "0x0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000017000000000000000000000000000000000000000000000000000000000000000111d8c5e6edcd92aeac9ee215372ebf3264300a429ae6dd79f93d71781d1a397d747b83a603182db717314be83bf9ae0d18d0652294a09d8d472a0cdd6f4a11c80000000000000000000000000000000000000000000000000000000000000025f9351d6932d2b1c9aca4fee013c4ff2672f712f28e9c37330bac4fa19292b8351d00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008f7b2274797065223a22776562617574686e2e676574222c226368616c6c656e6765223a2274337659526847564b6258504a476c506e51676d79495950573079442d356b497675536e497a494d485a4d222c226f726967696e223a2268747470733a2f2f6b6579732d626574612e636f696e626173652e636f6d222c2263726f73734f726967696e223a66616c73657d0000000000000000000000000000000000"
+
+    assert Siwe.verify(msg, sig, rpc_url: "https://sepolia.base.org") == true
+  end
 end