Add crypto-verify verify secp256r1 support

Author: maurolacy

contracts/crypto-verify/src/contract.rs

@@ -38,6 +38,16 @@ pub fn query(deps: Deps, _env: Env, msg: QueryMsg) -> StdResult<QueryResponse> {
             signature.as_slice(),
             public_key.as_slice(),
         )?),
+        QueryMsg::VerifySecp256R1Signature {
+            message,
+            signature,
+            public_key,
+        } => to_json_binary(&query_verify_secp256r1(
+            deps,
+            message.as_slice(),
+            signature.as_slice(),
+            public_key.as_slice(),
+        )?),
         QueryMsg::VerifyEthereumText {
             message,
             signature,
@@ -106,6 +116,25 @@ pub fn query_verify_cosmos(
     }
 }
 
+pub fn query_verify_secp256r1(
+    deps: Deps,
+    message: &[u8],
+    signature: &[u8],
+    public_key: &[u8],
+) -> StdResult<VerifyResponse> {
+    // Hashing
+    let hash = Sha256::digest(message);
+
+    // Verification
+    let result = deps
+        .api
+        .secp256r1_verify(hash.as_ref(), signature, public_key);
+    match result {
+        Ok(verifies) => Ok(VerifyResponse { verifies }),
+        Err(err) => Err(err.into()),
+    }
+}
+
 pub fn query_verify_ethereum_text(
     deps: Deps,
     message: &str,
@@ -695,6 +724,7 @@ mod tests {
             ListVerificationsResponse {
                 verification_schemes: vec![
                     "secp256k1".into(),
+                    "secp256r1".into(),
                     "ed25519".into(),
                     "ed25519_batch".into()
                 ]

contracts/crypto-verify/src/msg.rs

@@ -17,7 +17,17 @@ pub enum QueryMsg {
         /// Serialized compressed (33 bytes) or uncompressed (65 bytes) public key.
         public_key: Binary,
     },
-    /// Ethereum text verification (compatible to the eth_sign RPC/web3 enpoint).
+    /// Cosmos format (secp256r1 verification scheme).
+    #[returns(VerifyResponse)]
+    VerifySecp256R1Signature {
+        /// Message to verify.
+        message: Binary,
+        /// Serialized signature. Cosmos format (64 bytes).
+        signature: Binary,
+        /// Serialized compressed (33 bytes) or uncompressed (65 bytes) public key.
+        public_key: Binary,
+    },
+    /// Ethereum text verification (compatible to the eth_sign RPC/web3 endpoint).
     /// This cannot be used to verify transaction.
     ///
     /// See https://web3js.readthedocs.io/en/v1.2.0/web3-eth.html#sign
@@ -29,7 +39,7 @@ pub enum QueryMsg {
         /// Serialized signature. Fixed length format (64 bytes `r` and `s` plus the one byte `v`).
         signature: Binary,
         /// Signer address.
-        /// This is matched case insensitive, so you can provide checksummed and non-checksummed addresses. Checksums are not validated.
+        /// This is matched case insensitive, so you can provide check-summed and non-check-summed addresses. Checksums are not validated.
         signer_address: String,
     },
     #[returns(VerifyResponse)]
@@ -85,5 +95,10 @@ pub struct ListVerificationsResponse {
 }
 
 pub(crate) fn list_verifications(_deps: Deps) -> Vec<String> {
-    vec!["secp256k1".into(), "ed25519".into(), "ed25519_batch".into()]
+    vec![
+        "secp256k1".into(),
+        "secp256r1".into(),
+        "ed25519".into(),
+        "ed25519_batch".into(),
+    ]
 }