update cargo to include ed25519_dalek

zk-token-sdk/Cargo.toml

@@ -14,6 +14,8 @@ bytemuck = { version = "1.7.2", features = ["derive"] }
 num-derive = "0.3"
 num-traits = "0.2"
 solana-program = "=1.7.15"
+solana-sdk = "=1.7.15"
+ed25519-dalek = { version = "=1.0.1" }
 
 [target.'cfg(not(target_arch = "bpf"))'.dependencies]
 arrayref = "0.3.6"

zk-token-sdk/src/encryption/elgamal.rs

@@ -61,7 +61,7 @@ impl ElGamal {
     pub fn from_signing_key(signing_key: &SigningKey, label: &'static [u8]) -> Self {
         let secret = ElGamalSecretKey::new(signing_key, label);
         let public = ElGamalPubkey::new(&secret);
-        Self {secret, public}
+        Self { secret, public }
     }
 
     /// On input a public key and a message to be encrypted, the function