vm: add MOONLIGHT_SENDER available to session

vm/src/execute.rs

@@ -5,7 +5,7 @@
 // Copyright (c) DUSK NETWORK. All rights reserved.
 
 use blake2b_simd::Params;
-use dusk_core::abi::{ContractError, ContractId, CONTRACT_ID_BYTES};
+use dusk_core::abi::{ContractError, ContractId, Metadata, CONTRACT_ID_BYTES};
 use dusk_core::transfer::{
     data::ContractBytecode, Transaction, TRANSFER_CONTRACT,
 };
@@ -73,6 +73,9 @@ pub fn execute(
     // with gas limit smaller than deploy charge.
     deploy_check(tx, gas_per_deploy_byte, min_deploy_gas_price)?;
 
+    let _ = session
+        .set_meta(Metadata::MOONLIGHT_SENDER, tx.moonlight_sender().copied());
+
     // Spend the inputs and execute the call. If this errors the transaction is
     // unspendable.
     let mut receipt = session.call::<_, Result<Vec<u8>, ContractError>>(