Account -> AccountSharedData

account-decoder/src/lib.rs

@@ -16,7 +16,10 @@ pub mod validator_info;
 
 use {
     crate::parse_account_data::{parse_account_data, AccountAdditionalData, ParsedAccount},
-    solana_sdk::{account::Account, clock::Epoch, fee_calculator::FeeCalculator, pubkey::Pubkey},
+    solana_sdk::{
+        account::ReadableAccount, account::WritableAccount, clock::Epoch,
+        fee_calculator::FeeCalculator, pubkey::Pubkey,
+    },
     std::{
         io::{Read, Write},
         str::FromStr,
@@ -57,58 +60,61 @@ pub enum UiAccountEncoding {
 }
 
 impl UiAccount {
-    pub fn encode(
+    pub fn encode<T: ReadableAccount>(
         pubkey: &Pubkey,
-        account: Account,
+        account: T,
         encoding: UiAccountEncoding,
         additional_data: Option<AccountAdditionalData>,
         data_slice_config: Option<UiDataSliceConfig>,
     ) -> Self {
         let data = match encoding {
             UiAccountEncoding::Binary => UiAccountData::LegacyBinary(
-                bs58::encode(slice_data(&account.data, data_slice_config)).into_string(),
+                bs58::encode(slice_data(&account.data(), data_slice_config)).into_string(),
             ),
             UiAccountEncoding::Base58 => UiAccountData::Binary(
-                bs58::encode(slice_data(&account.data, data_slice_config)).into_string(),
+                bs58::encode(slice_data(&account.data(), data_slice_config)).into_string(),
                 encoding,
             ),
             UiAccountEncoding::Base64 => UiAccountData::Binary(
-                base64::encode(slice_data(&account.data, data_slice_config)),
+                base64::encode(slice_data(&account.data(), data_slice_config)),
                 encoding,
             ),
             UiAccountEncoding::Base64Zstd => {
                 let mut encoder = zstd::stream::write::Encoder::new(Vec::new(), 0).unwrap();
                 match encoder
-                    .write_all(slice_data(&account.data, data_slice_config))
+                    .write_all(slice_data(&account.data(), data_slice_config))
                     .and_then(|()| encoder.finish())
                 {
                     Ok(zstd_data) => UiAccountData::Binary(base64::encode(zstd_data), encoding),
                     Err(_) => UiAccountData::Binary(
-                        base64::encode(slice_data(&account.data, data_slice_config)),
+                        base64::encode(slice_data(&account.data(), data_slice_config)),
                         UiAccountEncoding::Base64,
                     ),
                 }
             }
             UiAccountEncoding::JsonParsed => {
                 if let Ok(parsed_data) =
-                    parse_account_data(pubkey, &account.owner, &account.data, additional_data)
+                    parse_account_data(pubkey, &account.owner(), &account.data(), additional_data)
                 {
                     UiAccountData::Json(parsed_data)
                 } else {
-                    UiAccountData::Binary(base64::encode(&account.data), UiAccountEncoding::Base64)
+                    UiAccountData::Binary(
+                        base64::encode(&account.data()),
+                        UiAccountEncoding::Base64,
+                    )
                 }
             }
         };
         UiAccount {
-            lamports: account.lamports,
+            lamports: account.lamports(),
             data,
-            owner: account.owner.to_string(),
-            executable: account.executable,
-            rent_epoch: account.rent_epoch,
+            owner: account.owner().to_string(),
+            executable: account.executable(),
+            rent_epoch: account.rent_epoch(),
         }
     }
 
-    pub fn decode(&self) -> Option<Account> {
+    pub fn decode<T: WritableAccount>(&self) -> Option<T> {
         let data = match &self.data {
             UiAccountData::Json(_) => None,
             UiAccountData::LegacyBinary(blob) => bs58::decode(blob).into_vec().ok(),
@@ -128,13 +134,13 @@ impl UiAccount {
                 UiAccountEncoding::Binary | UiAccountEncoding::JsonParsed => None,
             },
         }?;
-        Some(Account {
-            lamports: self.lamports,
+        Some(T::create(
+            self.lamports,
             data,
-            owner: Pubkey::from_str(&self.owner).ok()?,
-            executable: self.executable,
-            rent_epoch: self.rent_epoch,
-        })
+            Pubkey::from_str(&self.owner).ok()?,
+            self.executable,
+            self.rent_epoch,
+        ))
     }
 }
 
@@ -184,6 +190,7 @@ fn slice_data(data: &[u8], data_slice_config: Option<UiDataSliceConfig>) -> &[u8
 #[cfg(test)]
 mod test {
     use super::*;
+    use solana_sdk::account::{Account, AccountSharedData};
 
     #[test]
     fn test_slice_data() {
@@ -217,9 +224,9 @@ mod test {
     fn test_base64_zstd() {
         let encoded_account = UiAccount::encode(
             &Pubkey::default(),
-            Account {
+            AccountSharedData {
                 data: vec![0; 1024],
-                ..Account::default()
+                ..AccountSharedData::default()
             },
             UiAccountEncoding::Base64Zstd,
             None,
@@ -230,7 +237,9 @@ mod test {
             UiAccountData::Binary(_, UiAccountEncoding::Base64Zstd)
         ));
 
-        let decoded_account = encoded_account.decode().unwrap();
+        let decoded_account = encoded_account.decode::<Account>().unwrap();
+        assert_eq!(decoded_account.data, vec![0; 1024]);
+        let decoded_account = encoded_account.decode::<AccountSharedData>().unwrap();
         assert_eq!(decoded_account.data, vec![0; 1024]);
     }
 }

banks-client/src/lib.rs

@@ -129,7 +129,7 @@ impl BanksClient {
         self.get_account(sysvar::rent::id()).map(|result| {
             let rent_sysvar = result?
                 .ok_or_else(|| io::Error::new(io::ErrorKind::Other, "Rent sysvar not present"))?;
-            from_account::<Rent>(&rent_sysvar).ok_or_else(|| {
+            from_account::<Rent, _>(&rent_sysvar).ok_or_else(|| {
                 io::Error::new(io::ErrorKind::Other, "Failed to deserialize Rent sysvar")
             })
         })

banks-server/src/banks_server.rs

@@ -242,7 +242,7 @@ impl Banks for BanksServer {
         commitment: CommitmentLevel,
     ) -> Option<Account> {
         let bank = self.bank(commitment);
-        bank.get_account(&address)
+        bank.get_account(&address).map(Account::from)
     }
 }
 

cli/src/stake.rs

@@ -1747,9 +1747,10 @@ pub fn process_show_stake_history(
     use_lamports_unit: bool,
 ) -> ProcessResult {
     let stake_history_account = rpc_client.get_account(&stake_history::id())?;
-    let stake_history = from_account::<StakeHistory>(&stake_history_account).ok_or_else(|| {
-        CliError::RpcRequestError("Failed to deserialize stake history".to_string())
-    })?;
+    let stake_history =
+        from_account::<StakeHistory, _>(&stake_history_account).ok_or_else(|| {
+            CliError::RpcRequestError("Failed to deserialize stake history".to_string())
+        })?;
 
     let mut entries: Vec<CliStakeHistoryEntry> = vec![];
     for entry in stake_history.deref() {

client/src/nonce_utils.rs

@@ -1,6 +1,6 @@
 use crate::rpc_client::RpcClient;
 use solana_sdk::{
-    account::Account,
+    account::{Account, ReadableAccount},
     account_utils::StateMut,
     commitment_config::CommitmentConfig,
     nonce::{
@@ -52,24 +52,28 @@ pub fn get_account_with_commitment(
         })
 }
 
-pub fn account_identity_ok(account: &Account) -> Result<(), Error> {
-    if account.owner != system_program::id() {
+pub fn account_identity_ok<T: ReadableAccount>(account: &T) -> Result<(), Error> {
+    if account.owner() != &system_program::id() {
         Err(Error::InvalidAccountOwner)
-    } else if account.data.is_empty() {
+    } else if account.data().is_empty() {
         Err(Error::UnexpectedDataSize)
     } else {
         Ok(())
     }
 }
 
-pub fn state_from_account(account: &Account) -> Result<State, Error> {
+pub fn state_from_account<T: ReadableAccount + StateMut<Versions>>(
+    account: &T,
+) -> Result<State, Error> {
     account_identity_ok(account)?;
     StateMut::<Versions>::state(account)
         .map_err(|_| Error::InvalidAccountData)
         .map(|v| v.convert_to_current())
 }
 
-pub fn data_from_account(account: &Account) -> Result<Data, Error> {
+pub fn data_from_account<T: ReadableAccount + StateMut<Versions>>(
+    account: &T,
+) -> Result<Data, Error> {
     account_identity_ok(account)?;
     state_from_account(account).and_then(|ref s| data_from_state(s).map(|d| d.clone()))
 }

core/src/commitment_service.rs

@@ -253,7 +253,7 @@ mod tests {
         bank_forks::BankForks,
         genesis_utils::{create_genesis_config_with_vote_accounts, ValidatorVoteKeypairs},
     };
-    use solana_sdk::{pubkey::Pubkey, signature::Signer};
+    use solana_sdk::{account::Account, pubkey::Pubkey, signature::Signer};
     use solana_stake_program::stake_state;
     use solana_vote_program::{
         vote_state::{self, VoteStateVersions},
@@ -411,16 +411,20 @@ mod tests {
             rooted_stake_amount,
         );
 
-        genesis_config.accounts.extend(vec![
-            (pk1, vote_account1.clone()),
-            (sk1, stake_account1),
-            (pk2, vote_account2.clone()),
-            (sk2, stake_account2),
-            (pk3, vote_account3.clone()),
-            (sk3, stake_account3),
-            (pk4, vote_account4.clone()),
-            (sk4, stake_account4),
-        ]);
+        genesis_config.accounts.extend(
+            vec![
+                (pk1, vote_account1.clone()),
+                (sk1, stake_account1),
+                (pk2, vote_account2.clone()),
+                (sk2, stake_account2),
+                (pk3, vote_account3.clone()),
+                (sk3, stake_account3),
+                (pk4, vote_account4.clone()),
+                (sk4, stake_account4),
+            ]
+            .into_iter()
+            .map(|(key, account)| (key, Account::from(account))),
+        );
 
         // Create bank
         let bank = Arc::new(Bank::new(&genesis_config));

core/src/consensus.rs

@@ -1253,7 +1253,7 @@ pub mod test {
         },
     };
     use solana_sdk::{
-        account::Account, clock::Slot, hash::Hash, pubkey::Pubkey, signature::Signer,
+        account::AccountSharedData, clock::Slot, hash::Hash, pubkey::Pubkey, signature::Signer,
         slot_history::SlotHistory,
     };
     use solana_vote_program::{
@@ -1571,10 +1571,10 @@ pub mod test {
     fn gen_stakes(stake_votes: &[(u64, &[u64])]) -> Vec<(Pubkey, (u64, ArcVoteAccount))> {
         let mut stakes = vec![];
         for (lamports, votes) in stake_votes {
-            let mut account = Account {
+            let mut account = AccountSharedData {
                 data: vec![0; VoteState::size_of()],
                 lamports: *lamports,
-                ..Account::default()
+                ..AccountSharedData::default()
             };
             let mut vote_state = VoteState::default();
             for slot in *votes {
@@ -2251,9 +2251,9 @@ pub mod test {
     #[test]
     fn test_stake_is_updated_for_entire_branch() {
         let mut voted_stakes = HashMap::new();
-        let account = Account {
+        let account = AccountSharedData {
             lamports: 1,
-            ..Account::default()
+            ..AccountSharedData::default()
         };
         let set: HashSet<u64> = vec![0u64, 1u64].into_iter().collect();
         let ancestors: HashMap<u64, HashSet<u64>> = [(2u64, set)].iter().cloned().collect();

core/src/non_circulating_supply.rs

@@ -40,7 +40,7 @@ pub fn calculate_non_circulating_supply(bank: &Arc<Bank>) -> NonCirculatingSuppl
         bank.get_program_accounts(&solana_stake_program::id())
     };
     for (pubkey, account) in stake_accounts.iter() {
-        let stake_account = StakeState::from(&account).unwrap_or_default();
+        let stake_account = StakeState::from(account).unwrap_or_default();
         match stake_account {
             StakeState::Initialized(meta) => {
                 if meta.lockup.is_in_force(&clock, None)
@@ -138,6 +138,7 @@ mod tests {
     use super::*;
     use solana_sdk::{
         account::Account,
+        account::AccountSharedData,
         epoch_schedule::EpochSchedule,
         genesis_config::{ClusterType, GenesisConfig},
     };
@@ -212,7 +213,10 @@ mod tests {
         bank = Arc::new(new_from_parent(&bank));
         let new_balance = 11;
         for key in non_circulating_accounts {
-            bank.store_account(&key, &Account::new(new_balance, 0, &Pubkey::default()));
+            bank.store_account(
+                &key,
+                &AccountSharedData::new(new_balance, 0, &Pubkey::default()),
+            );
         }
         let non_circulating_supply = calculate_non_circulating_supply(&bank);
         assert_eq!(