feat: Add Schnorr Signatures (#276)

dfinity · Jan 27, 2025 · 0fcc3b9 · 0fcc3b9
1 parent e221e8a
commit 0fcc3b9
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Showing 2 changed files with 25 additions and 0 deletions.
diff --git a/service/pool/IC.mo b/service/pool/IC.mo
@@ -85,6 +85,22 @@ module {
     message_hash : Blob;
   };
   public type sign_with_ecdsa_result = { signature : Blob };
+  public type schnorr_algorithm = {
+    #bip340secp256k1;
+    #ed25519;
+  };
+  public type schnorr_aux = {
+    #bip341: {
+      merkle_root_hash: Blob
+   }
+  };
+  public type sign_with_schnorr_args = {
+    message : Blob;
+    derivation_path : [Blob];
+    key_id : { algorithm : schnorr_algorithm; name : Text };
+    aux: ?schnorr_aux;
+  };
+  public type sign_with_schnorr_result = { signature : Blob };
   public type user_id = Principal;
   public type wasm_module = Blob;
   public type Self = actor {
@@ -116,6 +132,7 @@ module {
       } -> async ();
     raw_rand : shared () -> async Blob;
     sign_with_ecdsa : shared sign_with_ecdsa_args -> async sign_with_ecdsa_result;
+    sign_with_schnorr : shared sign_with_schnorr_args -> async sign_with_schnorr_result;
     start_canister : shared { canister_id : canister_id } -> async ();
     stop_canister : shared { canister_id : canister_id } -> async ();
     uninstall_code : shared { canister_id : canister_id } -> async ();

diff --git a/service/pool/Main.mo b/service/pool/Main.mo
@@ -709,6 +709,12 @@ shared (creator) actor class Self(opt_params : ?Types.InitParams) = this {
         await* pool.addCycles(caller, #refund);
         res
     };
+    public shared ({ caller }) func sign_with_schnorr(arg: ICType.sign_with_schnorr_args) : async ICType.sign_with_schnorr_result {
+        await* pool.addCycles(caller, #method "sign_with_schnorr");
+        let res = await IC.sign_with_schnorr(arg);
+        await* pool.addCycles(caller, #refund);
+        res
+    };
     public shared ({ caller }) func _ttp_request(request : ICType.http_request_args) : async ICType.http_request_result {
         await* pool.addCycles(caller, #method "http_request");
         let new_request = switch (request.transform) {
@@ -831,6 +837,7 @@ shared (creator) actor class Self(opt_params : ?Types.InitParams) = this {
             #_ttp_request : Any;
             #__transform : Any;
             #sign_with_ecdsa: Any;
+            #sign_with_schnorr: Any;
             #eth_call: Any;
             #eth_feeHistory: Any;
             #eth_getBlockByNumber: Any;
@@ -855,6 +862,7 @@ shared (creator) actor class Self(opt_params : ?Types.InitParams) = this {
             case (#_ttp_request _) false;
             case (#__transform _) false;
             case (#sign_with_ecdsa _) false;
+            case (#sign_with_schnorr _) false;
             case (#eth_call _) false;
             case (#eth_feeHistory _) false;
             case (#eth_getBlockByNumber _) false;