WIP: dead code

base_layer/wallet/src/output_manager_service/service.rs

@@ -63,7 +63,6 @@ use tari_crypto::{
     commitment::HomomorphicCommitmentFactory,
     errors::RangeProofError,
     keys::{PublicKey as PublicKeyTrait, SecretKey},
-    ristretto::RistrettoSecretKey,
 };
 use tari_script::{inputs, script, Opcode, TariScript};
 use tari_service_framework::reply_channel;
@@ -100,7 +99,6 @@ use crate::{
     types::WalletHasher,
     WalletOutputEncryptionKeysDomainHasher,
     WalletOutputRewindKeysDomainHasher,
-    WalletOutputSpendingKeysDomainHasher,
 };
 
 const LOG_TARGET: &str = "wallet::output_manager_service";
@@ -2324,7 +2322,6 @@ where
         fee_per_gram: MicroTari,
     ) -> Result<(TxId, MicroTari, MicroTari, Transaction), OutputManagerError> {
         let shared_secret = CommsDHKE::new(self.node_identity.as_ref().secret_key(), &output.sender_offset_public_key);
-        let spending_key = shared_secret_to_output_spending_key(&shared_secret)?;
         let blinding_key = shared_secret_to_output_rewind_key(&shared_secret)?;
         let encryption_key = shared_secret_to_output_encryption_key(&shared_secret)?;
         if let Ok(amount) = EncryptedValue::decrypt_value(&encryption_key, &output.commitment, &output.encrypted_value)
@@ -2749,16 +2746,6 @@ fn shared_secret_to_output_encryption_key(shared_secret: &CommsDHKE) -> Result<P
     )
 }
 
-/// Generate an output spending key from a Diffie-Hellman shared secret
-fn shared_secret_to_output_spending_key(shared_secret: &CommsDHKE) -> Result<PrivateKey, ByteArrayError> {
-    PrivateKey::from_bytes(
-        WalletOutputSpendingKeysDomainHasher::new()
-            .chain(shared_secret.as_bytes())
-            .finalize()
-            .as_ref()
-    )
-}
-
 #[derive(Debug, Clone)]
 struct UtxoSelection {
     utxos: Vec<DbUnblindedOutput>,