Governance: Unify borsh serialisation api (#4224)

governance/program/src/processor/process_add_signatory.rs

@@ -66,7 +66,7 @@ pub fn process_add_signatory(
     )?;
 
     proposal_data.signatories_count = proposal_data.signatories_count.checked_add(1).unwrap();
-    proposal_data.serialize(&mut *proposal_info.data.borrow_mut())?;
+    proposal_data.serialize(&mut proposal_info.data.borrow_mut()[..])?;
 
     Ok(())
 }

governance/program/src/processor/process_cancel_proposal.rs

@@ -45,16 +45,16 @@ pub fn process_cancel_proposal(program_id: &Pubkey, accounts: &[AccountInfo]) ->
         .assert_token_owner_or_delegate_is_signer(governance_authority_info)?;
 
     proposal_owner_record_data.decrease_outstanding_proposal_count();
-    proposal_owner_record_data.serialize(&mut *proposal_owner_record_info.data.borrow_mut())?;
+    proposal_owner_record_data.serialize(&mut proposal_owner_record_info.data.borrow_mut()[..])?;
 
     proposal_data.state = ProposalState::Cancelled;
     proposal_data.closed_at = Some(clock.unix_timestamp);
 
-    proposal_data.serialize(&mut *proposal_info.data.borrow_mut())?;
+    proposal_data.serialize(&mut proposal_info.data.borrow_mut()[..])?;
 
     // Update  Governance active_proposal_count
     governance_data.active_proposal_count = governance_data.active_proposal_count.saturating_sub(1);
-    governance_data.serialize(&mut *governance_info.data.borrow_mut())?;
+    governance_data.serialize(&mut governance_info.data.borrow_mut()[..])?;
 
     Ok(())
 }

governance/program/src/processor/process_cast_vote.rs

@@ -179,21 +179,21 @@ pub fn process_cast_vote(
         } else {
             proposal_owner_record_data.decrease_outstanding_proposal_count();
             proposal_owner_record_data
-                .serialize(&mut *proposal_owner_record_info.data.borrow_mut())?;
+                .serialize(&mut proposal_owner_record_info.data.borrow_mut()[..])?;
         };
 
         // If the proposal is tipped decrease Governance active_proposal_count
         governance_data.active_proposal_count =
             governance_data.active_proposal_count.saturating_sub(1);
-        governance_data.serialize(&mut *governance_info.data.borrow_mut())?;
+        governance_data.serialize(&mut governance_info.data.borrow_mut()[..])?;
     }
 
     let governing_token_owner = voter_token_owner_record_data.governing_token_owner;
 
     voter_token_owner_record_data
-        .serialize(&mut *voter_token_owner_record_info.data.borrow_mut())?;
+        .serialize(&mut voter_token_owner_record_info.data.borrow_mut()[..])?;
 
-    proposal_data.serialize(&mut *proposal_info.data.borrow_mut())?;
+    proposal_data.serialize(&mut proposal_info.data.borrow_mut()[..])?;
 
     // Create and serialize VoteRecord
     let vote_record_data = VoteRecordV2 {

governance/program/src/processor/process_complete_proposal.rs

@@ -36,6 +36,6 @@ pub fn process_complete_proposal(program_id: &Pubkey, accounts: &[AccountInfo])
     proposal_data.closed_at = Some(clock.unix_timestamp);
     proposal_data.state = ProposalState::Completed;
 
-    proposal_data.serialize(&mut *proposal_info.data.borrow_mut())?;
+    proposal_data.serialize(&mut proposal_info.data.borrow_mut()[..])?;
     Ok(())
 }

governance/program/src/processor/process_create_proposal.rs

@@ -108,7 +108,7 @@ pub fn process_create_proposal(
         .outstanding_proposal_count
         .checked_add(1)
         .unwrap();
-    proposal_owner_record_data.serialize(&mut *proposal_owner_record_info.data.borrow_mut())?;
+    proposal_owner_record_data.serialize(&mut proposal_owner_record_info.data.borrow_mut()[..])?;
 
     assert_valid_proposal_options(&options, &vote_type)?;
 

governance/program/src/processor/process_deposit_governing_tokens.rs

@@ -132,7 +132,7 @@ pub fn process_deposit_governing_tokens(
             .checked_add(amount)
             .unwrap();
 
-        token_owner_record_data.serialize(&mut *token_owner_record_info.data.borrow_mut())?;
+        token_owner_record_data.serialize(&mut token_owner_record_info.data.borrow_mut()[..])?;
     }
 
     Ok(())

governance/program/src/processor/process_execute_transaction.rs

@@ -105,11 +105,11 @@ pub fn process_execute_transaction(program_id: &Pubkey, accounts: &[AccountInfo]
         proposal_data.state = ProposalState::Completed;
     }
 
-    proposal_data.serialize(&mut *proposal_info.data.borrow_mut())?;
+    proposal_data.serialize(&mut proposal_info.data.borrow_mut()[..])?;
 
     proposal_transaction_data.executed_at = Some(clock.unix_timestamp);
     proposal_transaction_data.execution_status = TransactionExecutionStatus::Success;
-    proposal_transaction_data.serialize(&mut *proposal_transaction_info.data.borrow_mut())?;
+    proposal_transaction_data.serialize(&mut proposal_transaction_info.data.borrow_mut()[..])?;
 
     Ok(())
 }

governance/program/src/processor/process_finalize_vote.rs

@@ -76,13 +76,13 @@ pub fn process_finalize_vote(program_id: &Pubkey, accounts: &[AccountInfo]) -> P
     )?;
 
     proposal_owner_record_data.decrease_outstanding_proposal_count();
-    proposal_owner_record_data.serialize(&mut *proposal_owner_record_info.data.borrow_mut())?;
+    proposal_owner_record_data.serialize(&mut proposal_owner_record_info.data.borrow_mut()[..])?;
 
-    proposal_data.serialize(&mut *proposal_info.data.borrow_mut())?;
+    proposal_data.serialize(&mut proposal_info.data.borrow_mut()[..])?;
 
     // Update  Governance active_proposal_count
     governance_data.active_proposal_count = governance_data.active_proposal_count.saturating_sub(1);
-    governance_data.serialize(&mut *governance_info.data.borrow_mut())?;
+    governance_data.serialize(&mut governance_info.data.borrow_mut()[..])?;
 
     Ok(())
 }

governance/program/src/processor/process_flag_transaction_error.rs

@@ -56,10 +56,10 @@ pub fn process_flag_transaction_error(
     }
 
     proposal_data.state = ProposalState::ExecutingWithErrors;
-    proposal_data.serialize(&mut *proposal_info.data.borrow_mut())?;
+    proposal_data.serialize(&mut proposal_info.data.borrow_mut()[..])?;
 
     proposal_transaction_data.execution_status = TransactionExecutionStatus::Error;
-    proposal_transaction_data.serialize(&mut *proposal_transaction_info.data.borrow_mut())?;
+    proposal_transaction_data.serialize(&mut proposal_transaction_info.data.borrow_mut()[..])?;
 
     Ok(())
 }

governance/program/src/processor/process_insert_transaction.rs

@@ -83,7 +83,7 @@ pub fn process_insert_transaction(
     }
 
     option.transactions_count = option.transactions_count.checked_add(1).unwrap();
-    proposal_data.serialize(&mut *proposal_info.data.borrow_mut())?;
+    proposal_data.serialize(&mut proposal_info.data.borrow_mut()[..])?;
 
     let proposal_transaction_data = ProposalTransactionV2 {
         account_type: GovernanceAccountType::ProposalTransactionV2,

governance/program/src/processor/process_relinquish_vote.rs

@@ -107,7 +107,7 @@ pub fn process_relinquish_vote(program_id: &Pubkey, accounts: &[AccountInfo]) ->
             }
         }
 
-        proposal_data.serialize(&mut *proposal_info.data.borrow_mut())?;
+        proposal_data.serialize(&mut proposal_info.data.borrow_mut()[..])?;
 
         dispose_account(vote_record_info, beneficiary_info)?;
     } else {
@@ -119,7 +119,7 @@ pub fn process_relinquish_vote(program_id: &Pubkey, accounts: &[AccountInfo]) ->
         }
 
         vote_record_data.is_relinquished = true;
-        vote_record_data.serialize(&mut *vote_record_info.data.borrow_mut())?;
+        vote_record_data.serialize(&mut vote_record_info.data.borrow_mut()[..])?;
     }
 
     // If the Proposal has been already voted on then we only have to decrease unrelinquished_votes_count
@@ -128,7 +128,7 @@ pub fn process_relinquish_vote(program_id: &Pubkey, accounts: &[AccountInfo]) ->
         .checked_sub(1)
         .unwrap();
 
-    token_owner_record_data.serialize(&mut *token_owner_record_info.data.borrow_mut())?;
+    token_owner_record_data.serialize(&mut token_owner_record_info.data.borrow_mut()[..])?;
 
     Ok(())
 }

governance/program/src/processor/process_remove_signatory.rs

@@ -48,7 +48,7 @@ pub fn process_remove_signatory(
 
     proposal_data.signatories_count = proposal_data.signatories_count.checked_sub(1).unwrap();
 
-    proposal_data.serialize(&mut *proposal_info.data.borrow_mut())?;
+    proposal_data.serialize(&mut proposal_info.data.borrow_mut()[..])?;
 
     dispose_account(signatory_record_info, beneficiary_info)?;
 

governance/program/src/processor/process_remove_transaction.rs

@@ -45,7 +45,7 @@ pub fn process_remove_transaction(program_id: &Pubkey, accounts: &[AccountInfo])
     let mut option = &mut proposal_data.options[proposal_transaction_data.option_index as usize];
     option.transactions_count = option.transactions_count.checked_sub(1).unwrap();
 
-    proposal_data.serialize(&mut *proposal_info.data.borrow_mut())?;
+    proposal_data.serialize(&mut proposal_info.data.borrow_mut()[..])?;
 
     Ok(())
 }

governance/program/src/processor/process_revoke_governing_tokens.rs

@@ -75,7 +75,7 @@ pub fn process_revoke_governing_tokens(
         .checked_sub(amount)
         .ok_or(GovernanceError::InvalidRevokeAmount)?;
 
-    token_owner_record_data.serialize(&mut *token_owner_record_info.data.borrow_mut())?;
+    token_owner_record_data.serialize(&mut token_owner_record_info.data.borrow_mut()[..])?;
 
     burn_spl_tokens_signed(
         governing_token_holding_info,

governance/program/src/processor/process_set_governance_config.rs

@@ -36,7 +36,7 @@ pub fn process_set_governance_config(
 
     governance_data.config = config;
 
-    governance_data.serialize(&mut *governance_info.data.borrow_mut())?;
+    governance_data.serialize(&mut governance_info.data.borrow_mut()[..])?;
 
     Ok(())
 }

governance/program/src/processor/process_set_governance_delegate.rs

@@ -25,7 +25,7 @@ pub fn process_set_governance_delegate(
     token_owner_record_data.assert_token_owner_or_delegate_is_signer(governance_authority_info)?;
 
     token_owner_record_data.governance_delegate = *new_governance_delegate;
-    token_owner_record_data.serialize(&mut *token_owner_record_info.data.borrow_mut())?;
+    token_owner_record_data.serialize(&mut token_owner_record_info.data.borrow_mut()[..])?;
 
     Ok(())
 }

governance/program/src/processor/process_set_realm_authority.rs

@@ -48,7 +48,7 @@ pub fn process_set_realm_authority(
 
     realm_data.authority = new_realm_authority;
 
-    realm_data.serialize(&mut *realm_info.data.borrow_mut())?;
+    realm_data.serialize(&mut realm_info.data.borrow_mut()[..])?;
 
     Ok(())
 }

governance/program/src/processor/process_set_realm_config.rs

@@ -1,6 +1,5 @@
 //! Program state processor
 
-use borsh::BorshSerialize;
 use solana_program::{
     account_info::{next_account_info, AccountInfo},
     entrypoint::ProgramResult,
@@ -112,7 +111,10 @@ pub fn process_set_realm_config(
             0,
         )?;
     } else {
-        realm_config_data.serialize(&mut *realm_config_info.data.borrow_mut())?;
+        borsh::to_writer(
+            &mut realm_config_info.data.borrow_mut()[..],
+            &realm_config_data,
+        )?;
     }
 
     // Update RealmConfig (Realm.config field)
@@ -125,7 +127,7 @@ pub fn process_set_realm_config(
     realm_data.config.legacy1 = 0;
     realm_data.config.legacy2 = 0;
 
-    realm_data.serialize(&mut *realm_info.data.borrow_mut())?;
+    realm_data.serialize(&mut realm_info.data.borrow_mut()[..])?;
 
     Ok(())
 }

governance/program/src/processor/process_sign_off_proposal.rs

@@ -67,7 +67,7 @@ pub fn process_sign_off_proposal(program_id: &Pubkey, accounts: &[AccountInfo])
         signatory_record_data.assert_can_sign_off(signatory_info)?;
 
         signatory_record_data.signed_off = true;
-        signatory_record_data.serialize(&mut *signatory_record_info.data.borrow_mut())?;
+        signatory_record_data.serialize(&mut signatory_record_info.data.borrow_mut()[..])?;
 
         if proposal_data.signatories_signed_off_count == 0 {
             proposal_data.signing_off_at = Some(clock.unix_timestamp);
@@ -87,7 +87,7 @@ pub fn process_sign_off_proposal(program_id: &Pubkey, accounts: &[AccountInfo])
         proposal_data.state = ProposalState::Voting;
     }
 
-    proposal_data.serialize(&mut *proposal_info.data.borrow_mut())?;
+    proposal_data.serialize(&mut proposal_info.data.borrow_mut()[..])?;
 
     Ok(())
 }

governance/program/src/processor/process_update_program_metadata.rs

@@ -1,6 +1,5 @@
 //! Program state processor
 
-use borsh::BorshSerialize;
 use solana_program::{
     account_info::{next_account_info, AccountInfo},
     clock::Clock,
@@ -61,7 +60,10 @@ pub fn process_update_program_metadata(
         program_metadata_data.version = VERSION.to_string();
         program_metadata_data.updated_at = updated_at;
 
-        program_metadata_data.serialize(&mut *program_metadata_info.data.borrow_mut())?;
+        borsh::to_writer(
+            &mut program_metadata_info.data.borrow_mut()[..],
+            &program_metadata_data,
+        )?;
     }
 
     Ok(())

governance/program/src/processor/process_withdraw_governing_tokens.rs

@@ -77,7 +77,7 @@ pub fn process_withdraw_governing_tokens(
     )?;
 
     token_owner_record_data.governing_token_deposit_amount = 0;
-    token_owner_record_data.serialize(&mut *token_owner_record_info.data.borrow_mut())?;
+    token_owner_record_data.serialize(&mut token_owner_record_info.data.borrow_mut()[..])?;
 
     Ok(())
 }

governance/program/src/state/governance.rs

@@ -236,9 +236,9 @@ impl GovernanceV2 {
     }
 
     /// Serializes account into the target buffer
-    pub fn serialize<W: Write>(self, writer: &mut W) -> Result<(), ProgramError> {
+    pub fn serialize<W: Write>(self, writer: W) -> Result<(), ProgramError> {
         if is_governance_v2_account_type(&self.account_type) {
-            BorshSerialize::serialize(&self, writer)?
+            borsh::to_writer(writer, &self)?
         } else if is_governance_v1_account_type(&self.account_type) {
             // V1 account can't be resized and we have to translate it back to the original format
 
@@ -258,7 +258,7 @@ impl GovernanceV2 {
                 config: self.config,
             };
 
-            BorshSerialize::serialize(&governance_data_v1, writer)?;
+            borsh::to_writer(writer, &governance_data_v1)?
         }
 
         Ok(())
@@ -289,7 +289,7 @@ impl GovernanceV2 {
             )?;
         }
 
-        self.serialize(&mut *governance_info.data.borrow_mut())
+        self.serialize(&mut governance_info.data.borrow_mut()[..])
     }
 
     /// Asserts the provided voting population represented by the given governing_token_mint
@@ -352,7 +352,7 @@ impl GovernanceV2 {
     }
 
     /// Returns the required deposit amount for creating Nth Proposal based on the number of active proposals
-    /// where N equals to active_proposal_count - deposit_exempt_proposal_count  
+    /// where N equals to active_proposal_count - deposit_exempt_proposal_count
     /// The deposit is not payed unless there are more active Proposal than the exempt amount
     ///
     /// Note: The exact deposit payed for Nth Proposal is N*SECURITY_DEPOSIT_BASE_LAMPORTS + min_rent_for(ProposalDeposit)

governance/program/src/state/proposal.rs

@@ -950,9 +950,9 @@ impl ProposalV2 {
     }
 
     /// Serializes account into the target buffer
-    pub fn serialize<W: Write>(self, writer: &mut W) -> Result<(), ProgramError> {
+    pub fn serialize<W: Write>(self, writer: W) -> Result<(), ProgramError> {
         if self.account_type == GovernanceAccountType::ProposalV2 {
-            BorshSerialize::serialize(&self, writer)?
+            borsh::to_writer(writer, &self)?
         } else if self.account_type == GovernanceAccountType::ProposalV1 {
             // V1 account can't be resized and we have to translate it back to the original format
 
@@ -1003,7 +1003,7 @@ impl ProposalV2 {
                 description_link: self.description_link,
             };
 
-            BorshSerialize::serialize(&proposal_data_v1, writer)?;
+            borsh::to_writer(writer, &proposal_data_v1)?
         }
 
         Ok(())
@@ -3200,7 +3200,7 @@ mod test {
         let proposal_v2 = get_proposal_data(&program_id, &account_info).unwrap();
 
         proposal_v2
-            .serialize(&mut &mut **account_info.data.borrow_mut())
+            .serialize(&mut account_info.data.borrow_mut()[..])
             .unwrap();
 
         // Assert

governance/program/src/state/proposal_transaction.rs

@@ -136,9 +136,9 @@ impl IsInitialized for ProposalTransactionV2 {
 
 impl ProposalTransactionV2 {
     /// Serializes account into the target buffer
-    pub fn serialize<W: Write>(self, writer: &mut W) -> Result<(), ProgramError> {
+    pub fn serialize<W: Write>(self, writer: W) -> Result<(), ProgramError> {
         if self.account_type == GovernanceAccountType::ProposalTransactionV2 {
-            BorshSerialize::serialize(&self, writer)?
+            borsh::to_writer(writer, &self)?
         } else if self.account_type == GovernanceAccountType::ProposalInstructionV1 {
             if self.instructions.len() != 1 {
                 panic!("Multiple instructions are not supported by ProposalInstructionV1")
@@ -161,7 +161,7 @@ impl ProposalTransactionV2 {
                 execution_status: self.execution_status,
             };
 
-            BorshSerialize::serialize(&proposal_transaction_data_v1, writer)?;
+            borsh::to_writer(writer, &proposal_transaction_data_v1)?
         }
 
         Ok(())
@@ -394,7 +394,7 @@ mod test {
             get_proposal_transaction_data(&program_id, &account_info).unwrap();
 
         proposal_transaction_v2
-            .serialize(&mut &mut **account_info.data.borrow_mut())
+            .serialize(&mut account_info.data.borrow_mut()[..])
             .unwrap();
 
         // Assert

governance/program/src/state/realm.rs

@@ -303,9 +303,9 @@ impl RealmV2 {
     }
 
     /// Serializes account into the target buffer
-    pub fn serialize<W: Write>(self, writer: &mut W) -> Result<(), ProgramError> {
+    pub fn serialize<W: Write>(self, writer: W) -> Result<(), ProgramError> {
         if self.account_type == GovernanceAccountType::RealmV2 {
-            BorshSerialize::serialize(&self, writer)?
+            borsh::to_writer(writer, &self)?
         } else if self.account_type == GovernanceAccountType::RealmV1 {
             // V1 account can't be resized and we have to translate it back to the original format
 
@@ -324,7 +324,7 @@ impl RealmV2 {
                 name: self.name,
             };
 
-            BorshSerialize::serialize(&realm_data_v1, writer)?;
+            borsh::to_writer(writer, &realm_data_v1)?
         }
 
         Ok(())
@@ -512,7 +512,7 @@ mod test {
             name: String,
 
             #[allow(dead_code)]
-            /// Realm config args     
+            /// Realm config args
             config_args: RealmConfigArgsV1,
         },
 

governance/program/src/state/signatory_record.rs

@@ -66,9 +66,9 @@ impl SignatoryRecordV2 {
     }
 
     /// Serializes account into the target buffer
-    pub fn serialize<W: Write>(self, writer: &mut W) -> Result<(), ProgramError> {
+    pub fn serialize<W: Write>(self, writer: W) -> Result<(), ProgramError> {
         if self.account_type == GovernanceAccountType::SignatoryRecordV2 {
-            BorshSerialize::serialize(&self, writer)?
+            borsh::to_writer(writer, &self)?
         } else if self.account_type == GovernanceAccountType::SignatoryRecordV1 {
             // V1 account can't be resized and we have to translate it back to the original format
 
@@ -84,7 +84,7 @@ impl SignatoryRecordV2 {
                 signed_off: self.signed_off,
             };
 
-            BorshSerialize::serialize(&signatory_record_data_v1, writer)?;
+            borsh::to_writer(writer, &signatory_record_data_v1)?
         }
 
         Ok(())

governance/program/src/state/token_owner_record.rs

@@ -254,9 +254,9 @@ impl TokenOwnerRecordV2 {
     }
 
     /// Serializes account into the target buffer
-    pub fn serialize<W: Write>(self, writer: &mut W) -> Result<(), ProgramError> {
+    pub fn serialize<W: Write>(self, writer: W) -> Result<(), ProgramError> {
         if self.account_type == GovernanceAccountType::TokenOwnerRecordV2 {
-            BorshSerialize::serialize(&self, writer)?
+            borsh::to_writer(writer, &self)?
         } else if self.account_type == GovernanceAccountType::TokenOwnerRecordV1 {
             // V1 account can't be resized and we have to translate it back to the original format
 
@@ -278,7 +278,7 @@ impl TokenOwnerRecordV2 {
                 governance_delegate: self.governance_delegate,
             };
 
-            BorshSerialize::serialize(&token_owner_record_data_v1, writer)?;
+            borsh::to_writer(writer, &token_owner_record_data_v1)?
         }
 
         Ok(())
@@ -528,9 +528,7 @@ mod test {
         };
 
         let mut legacy_data = vec![];
-        legacy_token_owner_record
+        borsh::to_writer(&mut legacy_data, &legacy_token_owner_record).unwrap();
-            .serialize(&mut legacy_data)
-            .unwrap();
 
         let program_id = Pubkey::new_unique();
 

governance/program/src/state/vote_record.rs

@@ -132,9 +132,9 @@ impl VoteRecordV2 {
     }
 
     /// Serializes account into the target buffer
-    pub fn serialize<W: Write>(self, writer: &mut W) -> Result<(), ProgramError> {
+    pub fn serialize<W: Write>(self, writer: W) -> Result<(), ProgramError> {
         if self.account_type == GovernanceAccountType::VoteRecordV2 {
-            BorshSerialize::serialize(&self, writer)?
+            borsh::to_writer(writer, &self)?
         } else if self.account_type == GovernanceAccountType::VoteRecordV1 {
             // V1 account can't be resized and we have to translate it back to the original format
 
@@ -159,7 +159,7 @@ impl VoteRecordV2 {
                 vote_weight,
             };
 
-            BorshSerialize::serialize(&vote_record_data_v1, writer)?;
+            borsh::to_writer(writer, &vote_record_data_v1)?
         }
 
         Ok(())
@@ -264,7 +264,6 @@ pub fn get_vote_record_address<'a>(
 #[cfg(test)]
 mod test {
 
-    use borsh::BorshSerialize;
     use solana_program::clock::Epoch;
 
     use super::*;
@@ -282,7 +281,7 @@ mod test {
         };
 
         let mut account_data = vec![];
-        vote_record_v1_source.serialize(&mut account_data).unwrap();
+        borsh::to_writer(&mut account_data, &vote_record_v1_source).unwrap();
 
         let program_id = Pubkey::new_unique();
 
@@ -303,9 +302,8 @@ mod test {
         // Act
 
         let vote_record_v2 = get_vote_record_data(&program_id, &account_info).unwrap();
-
         vote_record_v2
-            .serialize(&mut &mut **account_info.data.borrow_mut())
+            .serialize(&mut account_info.data.borrow_mut()[..])
             .unwrap();
 
         // Assert

governance/test-sdk/src/lib.rs

@@ -357,7 +357,7 @@ impl ProgramTestBench {
         account: &T,
     ) {
         let mut account_data = vec![];
-        account.serialize(&mut account_data).unwrap();
+        borsh::to_writer(&mut account_data, &account).unwrap();
 
         let data = AccountSharedData::create(
             self.rent.minimum_balance(account_data.len()),

governance/tools/src/account.rs

@@ -72,7 +72,7 @@ pub fn create_and_serialize_account<'a, T: BorshSerialize + AccountMaxSize>(
             .borrow_mut()
             .copy_from_slice(&serialized_data);
     } else {
-        account_data.serialize(&mut *account_info.data.borrow_mut())?;
+        borsh::to_writer(&mut account_info.data.borrow_mut()[..], account_data)?;
     }
 
     Ok(())
@@ -201,7 +201,7 @@ pub fn create_and_serialize_account_with_owner_signed<'a, T: BorshSerialize + Ac
             .borrow_mut()
             .copy_from_slice(&serialized_data);
     } else if account_size > 0 {
-        account_data.serialize(&mut *account_info.data.borrow_mut())?;
+        borsh::to_writer(&mut account_info.data.borrow_mut()[..], account_data)?;
     }
 
     Ok(())