execution-core: added nonce to contract deploy

execution-core/CHANGELOG.md

@@ -81,8 +81,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
       next_epoch,
   }`
 
+### Added
+
+- Add `nonce` contract deploy transaction [#1884]
+
+
 [#1963]: https://github.com/dusk-network/rusk/issues/1963
 [#1963]: https://github.com/dusk-network/rusk/issues/1856
+[#1884]: https://github.com/dusk-network/rusk/issues/1884
 [#1882]: https://github.com/dusk-network/rusk/issues/1882
 [#1723]: https://github.com/dusk-network/rusk/issues/1723
 

execution-core/src/transfer.rs

@@ -328,6 +328,8 @@ pub struct ContractDeploy {
     pub owner: Vec<u8>,
     /// Constructor arguments of the deployed contract.
     pub constructor_args: Option<Vec<u8>>,
+    /// Nonce for contract id uniqueness and vanity
+    pub nonce: u64,
 }
 
 /// All the data the transfer-contract needs to perform a contract-call.
@@ -365,6 +367,8 @@ impl ContractDeploy {
             None => bytes.push(0),
         }
 
+        bytes.extend(self.nonce.to_bytes());
+
         bytes
     }
 
@@ -385,10 +389,13 @@ impl ContractDeploy {
             _ => return Err(BytesError::InvalidData),
         };
 
+        let nonce = u64::from_reader(&mut buf)?;
+
         Ok(Self {
             bytecode,
             owner,
             constructor_args,
+            nonce,
         })
     }
 }

execution-core/src/transfer/transaction/moonlight.rs

@@ -91,6 +91,7 @@ impl Transaction {
                         hash: deploy.bytecode.hash,
                         bytes: Vec::new(),
                     },
+                    nonce: deploy.nonce,
                 })),
             },
             *self.signature(),

execution-core/src/transfer/transaction/phoenix.rs

@@ -97,6 +97,7 @@ impl Transaction {
                         hash: deploy.bytecode.hash,
                         bytes: Vec::new(),
                     },
+                    nonce: deploy.nonce,
                 })),
             },
             self.proof(),

execution-core/tests/serialization.rs

@@ -165,10 +165,13 @@ fn phoenix_with_deploy() -> Result<(), Error> {
     let mut constructor_args = vec![0; 20];
     rng.fill_bytes(&mut constructor_args);
 
+    let nonce = rng.next_u64();
+
     let deploy = ContractDeploy {
         bytecode,
         owner,
         constructor_args: Some(constructor_args),
+        nonce,
     };
 
     let transaction =
@@ -240,10 +243,13 @@ fn moonlight_with_deploy() -> Result<(), Error> {
     let mut constructor_args = vec![0; 20];
     rng.fill_bytes(&mut constructor_args);
 
+    let nonce = rng.next_u64();
+
     let deploy = ContractDeploy {
         bytecode,
         owner,
         constructor_args: Some(constructor_args),
+        nonce,
     };
 
     let transaction =