plumb some rent

core/src/rpc.rs

@@ -871,7 +871,8 @@ pub mod tests {
                 "owner": [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
                 "lamports": 20,
                 "data": [],
-                "executable": false
+                "executable": false,
+                "rent_epoch": 0
             },
             "id":1}
         "#;
@@ -903,7 +904,8 @@ pub mod tests {
                     "owner": {:?},
                     "lamports": 20,
                     "data": [],
-                    "executable": false
+                    "executable": false,
+                    "rent_epoch": 0
                 }}]],
                 "id":1}}
             "#,

core/src/rpc_pubsub.rs

@@ -429,7 +429,8 @@ mod tests {
                    "owner": budget_program_id,
                    "lamports": 51,
                    "data": expected_data,
-                    "executable": executable,
+                   "executable": executable,
+                   "rent_epoch": 0,
                },
                "subscription": 0,
            }
@@ -574,6 +575,7 @@ mod tests {
                    "lamports": 100,
                    "data": [],
                    "executable": false,
+                   "rent_epoch": 0,
                },
                "subscription": 0,
            }

core/src/rpc_subscriptions.rs

@@ -348,7 +348,7 @@ mod tests {
         subscriptions.check_account(&alice.pubkey(), 0, &bank_forks);
         let string = transport_receiver.poll();
         if let Async::Ready(Some(response)) = string.unwrap() {
-            let expected = format!(r#"{{"jsonrpc":"2.0","method":"accountNotification","params":{{"result":{{"data":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"executable":false,"lamports":1,"owner":[2,203,81,223,225,24,34,35,203,214,138,130,144,208,35,77,63,16,87,51,47,198,115,123,98,188,19,160,0,0,0,0]}},"subscription":0}}}}"#);
+            let expected = format!(r#"{{"jsonrpc":"2.0","method":"accountNotification","params":{{"result":{{"data":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"executable":false,"lamports":1,"owner":[2,203,81,223,225,24,34,35,203,214,138,130,144,208,35,77,63,16,87,51,47,198,115,123,98,188,19,160,0,0,0,0],"rent_epoch":0}},"subscription":0}}}}"#);
             assert_eq!(expected, response);
         }
 
@@ -403,7 +403,7 @@ mod tests {
         subscriptions.check_program(&solana_budget_api::id(), 0, &bank_forks);
         let string = transport_receiver.poll();
         if let Async::Ready(Some(response)) = string.unwrap() {
-            let expected = format!(r#"{{"jsonrpc":"2.0","method":"programNotification","params":{{"result":["{:?}",{{"data":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"executable":false,"lamports":1,"owner":[2,203,81,223,225,24,34,35,203,214,138,130,144,208,35,77,63,16,87,51,47,198,115,123,98,188,19,160,0,0,0,0]}}],"subscription":0}}}}"#, alice.pubkey());
+            let expected = format!(r#"{{"jsonrpc":"2.0","method":"programNotification","params":{{"result":["{:?}",{{"data":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"executable":false,"lamports":1,"owner":[2,203,81,223,225,24,34,35,203,214,138,130,144,208,35,77,63,16,87,51,47,198,115,123,98,188,19,160,0,0,0,0],"rent_epoch":0}}],"subscription":0}}}}"#, alice.pubkey());
             assert_eq!(expected, response);
         }
 

genesis/src/main.rs

@@ -8,6 +8,7 @@ use solana_sdk::genesis_block::Builder;
 use solana_sdk::hash::{hash, Hash};
 use solana_sdk::poh_config::PohConfig;
 use solana_sdk::pubkey::Pubkey;
+use solana_sdk::rent::Rent;
 use solana_sdk::signature::{read_keypair, Keypair, KeypairUtil};
 use solana_sdk::system_program;
 use solana_sdk::timing;
@@ -59,6 +60,7 @@ fn main() -> Result<(), Box<dyn error::Error>> {
     let default_target_lamports_per_signature = &FeeCalculator::default()
         .target_lamports_per_signature
         .to_string();
+    let default_lamports_per_byte_year = &Rent::default().lamports_per_byte_year.to_string();
     let default_target_signatures_per_slot = &FeeCalculator::default()
         .target_signatures_per_slot
         .to_string();
@@ -161,6 +163,17 @@ fn main() -> Result<(), Box<dyn error::Error>> {
                      verification when the cluster is operating at target-signatures-per-slot",
                 ),
         )
+        .arg(
+            Arg::with_name("lamports_per_byte_year")
+                .long("lamports-per-byte-year")
+                .value_name("LAMPORTS")
+                .takes_value(true)
+                .default_value(default_lamports_per_byte_year)
+                .help(
+                    "The cost in lamports that the cluster will charge per byte per year \
+                     for accounts with data.",
+                ),
+        )
         .arg(
             Arg::with_name("target_signatures_per_slot")
                 .long("target-signatures-per-slot")

programs/move_loader_api/src/processor.rs

@@ -760,17 +760,16 @@ mod tests {
                 lamports: 1,
                 data: bincode::serialize(&LibraAccountState::create_unallocated()).unwrap(),
                 owner: id(),
-                executable: false,
+                ..Account::default()
             };
             Self::new(key, account)
         }
 
         pub fn create_genesis(amount: u64) -> Self {
             let account = Account {
                 lamports: 1,
-                data: vec![],
                 owner: id(),
-                executable: false,
+                ..Account::default()
             };
             let mut genesis = Self::new(Pubkey::default(), account);
             genesis.account.data =

programs/storage_api/src/storage_contract.rs

@@ -547,10 +547,8 @@ mod tests {
         let mut account = StorageAccount {
             id: Pubkey::default(),
             account: &mut Account {
-                lamports: 0,
-                data: vec![],
                 owner: id(),
-                executable: false,
+                ..Account::default()
             },
         };
         let segment_index = 0;