Multisig: verify the consistency of commitments checksum

iron-fish · Mar 12, 2024 · e1fc0ba · e1fc0ba
1 parent d2152cc
commit e1fc0ba
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Showing 5 changed files with 417 additions and 113 deletions.
diff --git a/ironfish-rust-nodejs/index.d.ts b/ironfish-rust-nodejs/index.d.ts
@@ -118,6 +118,7 @@ export type NativeSigningCommitment = SigningCommitment
 export class SigningCommitment {
   constructor(jsBytes: Buffer)
   identity(): Buffer
+  verifyChecksum(transactionHash: Buffer, signerIdentities: Array<string>): boolean
 }
 export type NativeSigningPackage = SigningPackage
 export class SigningPackage {

diff --git a/ironfish-rust-nodejs/src/frost.rs b/ironfish-rust-nodejs/src/frost.rs
@@ -304,6 +304,20 @@ impl NativeSigningCommitment {
     pub fn identity(&self) -> Buffer {
         Buffer::from(self.signing_commitment.identity().serialize().as_slice())
     }
+
+    #[napi]
+    pub fn verify_checksum(
+        &self,
+        transaction_hash: JsBuffer,
+        signer_identities: Vec<String>,
+    ) -> Result<bool> {
+        let transaction_hash = transaction_hash.into_value()?;
+        let signer_identities = try_deserialize_identities(signer_identities)?;
+        Ok(self
+            .signing_commitment
+            .verify_checksum(&transaction_hash, &signer_identities)
+            .is_ok())
+    }
 }
 
 #[napi(js_name = "SigningPackage")]