Cleanup: TransactionContext (#22910)
* Adds BorrowedAccount::check_sysvar(). * Adds BorrowedAccount::get_data_mut(). * Implements account resizing in BorrowedAccount. * Exposes is_signer() and is_writable() in InstructionContext. * Removes AccountMeta and get_instruction_accounts_metas(). * Makes throwing errors in BorrowedAccount optional. * Removes result return values from BorrowedAccount.
This commit is contained in:
parent
c16cf9cf8a
commit
660f6981c6
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@ -1283,13 +1283,13 @@ mod tests {
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MockInstruction::NoopFail => return Err(InstructionError::GenericError),
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MockInstruction::NoopFail => return Err(InstructionError::GenericError),
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MockInstruction::ModifyOwned => instruction_context
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MockInstruction::ModifyOwned => instruction_context
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.try_borrow_instruction_account(transaction_context, 0)?
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.try_borrow_instruction_account(transaction_context, 0)?
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.set_data(&[1])?,
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.set_data(&[1]),
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MockInstruction::ModifyNotOwned => instruction_context
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MockInstruction::ModifyNotOwned => instruction_context
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.try_borrow_instruction_account(transaction_context, 1)?
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.try_borrow_instruction_account(transaction_context, 1)?
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.set_data(&[1])?,
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.set_data(&[1]),
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MockInstruction::ModifyReadonly => instruction_context
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MockInstruction::ModifyReadonly => instruction_context
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.try_borrow_instruction_account(transaction_context, 2)?
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.try_borrow_instruction_account(transaction_context, 2)?
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.set_data(&[1])?,
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.set_data(&[1]),
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MockInstruction::ConsumeComputeUnits {
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MockInstruction::ConsumeComputeUnits {
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compute_units_to_consume,
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compute_units_to_consume,
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desired_result,
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desired_result,
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@ -1303,7 +1303,7 @@ mod tests {
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}
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}
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MockInstruction::Resize { new_len } => instruction_context
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MockInstruction::Resize { new_len } => instruction_context
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.try_borrow_instruction_account(transaction_context, 0)?
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.try_borrow_instruction_account(transaction_context, 0)?
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.set_data(&vec![0; new_len])?,
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.set_data(&vec![0; new_len]),
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}
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}
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} else {
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} else {
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return Err(InstructionError::InvalidInstructionData);
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return Err(InstructionError::InvalidInstructionData);
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@ -178,8 +178,8 @@ pub fn builtin_process_instruction(
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let mut borrowed_account =
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let mut borrowed_account =
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instruction_context.try_borrow_account(transaction_context, index_in_instruction)?;
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instruction_context.try_borrow_account(transaction_context, index_in_instruction)?;
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if borrowed_account.is_writable() {
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if borrowed_account.is_writable() {
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borrowed_account.set_lamports(lamports)?;
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borrowed_account.set_lamports(lamports);
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borrowed_account.set_data(&data)?;
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borrowed_account.set_data(&data);
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}
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}
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}
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}
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@ -3107,17 +3107,18 @@ impl<'a, 'b> SyscallObject<BpfError> for SyscallGetProcessedSiblingInstruction<'
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instruction_context.get_program_id(invoke_context.transaction_context);
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instruction_context.get_program_id(invoke_context.transaction_context);
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data.clone_from_slice(instruction_context.get_instruction_data());
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data.clone_from_slice(instruction_context.get_instruction_data());
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let account_metas = question_mark!(
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let account_metas = question_mark!(
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(instruction_context.get_number_of_program_accounts()
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..instruction_context.get_number_of_accounts())
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.map(|index_in_instruction| Ok(AccountMeta {
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pubkey: *invoke_context.get_key_of_account_at_index(
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instruction_context
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instruction_context
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.get_instruction_accounts_metas()
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.get_index_in_transaction(index_in_instruction)?
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.iter()
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)?,
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.map(|meta| Ok(AccountMeta {
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is_signer: instruction_context.is_signer(index_in_instruction)?,
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pubkey: *invoke_context
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is_writable: instruction_context.is_writable(index_in_instruction)?,
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.get_key_of_account_at_index(meta.index_in_transaction)
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.map_err(SyscallError::InstructionError)?,
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is_signer: meta.is_signer,
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is_writable: meta.is_writable,
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}))
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}))
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.collect::<Result<Vec<_>, EbpfError<BpfError>>>(),
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.collect::<Result<Vec<_>, InstructionError>>()
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.map_err(SyscallError::InstructionError),
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result
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result
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);
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);
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accounts.clone_from_slice(account_metas.as_slice());
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accounts.clone_from_slice(account_metas.as_slice());
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@ -706,10 +706,13 @@ pub fn inner_instructions_list_from_instruction_trace(
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CompiledInstruction::new_from_raw_parts(
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CompiledInstruction::new_from_raw_parts(
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instruction_context.get_program_id_index() as u8,
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instruction_context.get_program_id_index() as u8,
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instruction_context.get_instruction_data().to_vec(),
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instruction_context.get_instruction_data().to_vec(),
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(instruction_context.get_number_of_program_accounts()
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..instruction_context.get_number_of_accounts())
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.map(|index_in_instruction| {
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instruction_context
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instruction_context
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.get_instruction_accounts_metas()
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.get_index_in_transaction(index_in_instruction)
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.iter()
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.unwrap_or_default() as u8
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.map(|meta| meta.index_in_transaction as u8)
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})
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.collect(),
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.collect(),
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)
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)
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})
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})
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@ -14918,7 +14921,8 @@ pub(crate) mod tests {
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let instruction_context = transaction_context.get_current_instruction_context()?;
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let instruction_context = transaction_context.get_current_instruction_context()?;
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instruction_context
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instruction_context
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.try_borrow_instruction_account(transaction_context, 1)?
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.try_borrow_instruction_account(transaction_context, 1)?
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.set_data(&[0; 40])
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.set_data(&[0; 40]);
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Ok(())
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}
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}
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let program_id = solana_sdk::pubkey::new_rand();
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let program_id = solana_sdk::pubkey::new_rand();
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@ -210,7 +210,7 @@ mod tests {
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MockSystemInstruction::ChangeData { data } => {
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MockSystemInstruction::ChangeData { data } => {
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instruction_context
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instruction_context
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.try_borrow_instruction_account(transaction_context, 1)?
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.try_borrow_instruction_account(transaction_context, 1)?
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.set_data(&[data])?;
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.set_data(&[data]);
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Ok(())
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Ok(())
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}
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}
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}
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}
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@ -409,7 +409,7 @@ mod tests {
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.try_borrow_instruction_account(transaction_context, 2)?;
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.try_borrow_instruction_account(transaction_context, 2)?;
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dup_account.checked_sub_lamports(lamports)?;
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dup_account.checked_sub_lamports(lamports)?;
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to_account.checked_add_lamports(lamports)?;
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to_account.checked_add_lamports(lamports)?;
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dup_account.set_data(&[data])?;
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dup_account.set_data(&[data]);
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drop(dup_account);
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drop(dup_account);
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let mut from_account = instruction_context
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let mut from_account = instruction_context
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.try_borrow_instruction_account(transaction_context, 0)?;
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.try_borrow_instruction_account(transaction_context, 0)?;
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@ -5,6 +5,7 @@ use crate::{
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instruction::{InstructionError, TRANSACTION_LEVEL_STACK_HEIGHT},
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instruction::{InstructionError, TRANSACTION_LEVEL_STACK_HEIGHT},
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lamports::LamportsError,
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lamports::LamportsError,
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pubkey::Pubkey,
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pubkey::Pubkey,
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sysvar::Sysvar,
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};
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};
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use std::{
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use std::{
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cell::{RefCell, RefMut},
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cell::{RefCell, RefMut},
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@ -115,6 +116,17 @@ impl TransactionContext {
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.ok_or(InstructionError::NotEnoughAccountKeys)
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.ok_or(InstructionError::NotEnoughAccountKeys)
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}
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}
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/// Checks if the account key at the given index is the belongs to the given sysvar
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pub fn check_sysvar<S: Sysvar>(
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&self,
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index_in_transaction: usize,
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) -> Result<(), InstructionError> {
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if !S::check_id(&self.account_keys[index_in_transaction]) {
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return Err(InstructionError::InvalidArgument);
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}
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Ok(())
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}
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/// Searches for an account by its key
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/// Searches for an account by its key
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pub fn find_index_of_account(&self, pubkey: &Pubkey) -> Option<usize> {
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pub fn find_index_of_account(&self, pubkey: &Pubkey) -> Option<usize> {
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self.account_keys.iter().position(|key| key == pubkey)
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self.account_keys.iter().position(|key| key == pubkey)
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@ -241,13 +253,6 @@ impl TransactionContext {
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/// List of (stack height, instruction) for each top-level instruction
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/// List of (stack height, instruction) for each top-level instruction
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pub type InstructionTrace = Vec<Vec<(usize, InstructionContext)>>;
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pub type InstructionTrace = Vec<Vec<(usize, InstructionContext)>>;
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#[derive(Clone, Debug)]
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pub struct AccountMeta {
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pub index_in_transaction: usize,
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pub is_signer: bool,
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pub is_writable: bool,
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}
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/// Loaded instruction shared between runtime and programs.
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/// Loaded instruction shared between runtime and programs.
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///
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///
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/// This context is valid for the entire duration of a (possibly cross program) instruction being processed.
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/// This context is valid for the entire duration of a (possibly cross program) instruction being processed.
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@ -292,17 +297,6 @@ impl InstructionContext {
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self.instruction_accounts.len()
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self.instruction_accounts.len()
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}
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}
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pub fn get_instruction_accounts_metas(&self) -> Vec<AccountMeta> {
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self.instruction_accounts
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.iter()
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.map(|instruction_account| AccountMeta {
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index_in_transaction: instruction_account.index_in_transaction,
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is_signer: instruction_account.is_signer,
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is_writable: instruction_account.is_writable,
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})
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.collect()
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}
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/// Number of accounts in this Instruction
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/// Number of accounts in this Instruction
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pub fn get_number_of_accounts(&self) -> usize {
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pub fn get_number_of_accounts(&self) -> usize {
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self.program_accounts
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self.program_accounts
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@ -406,6 +400,30 @@ impl InstructionContext {
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)
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)
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}
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}
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/// Returns whether an account is a signer
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pub fn is_signer(&self, index_in_instruction: usize) -> Result<bool, InstructionError> {
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Ok(if index_in_instruction < self.program_accounts.len() {
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false
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} else {
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self.instruction_accounts
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.get(index_in_instruction.saturating_sub(self.program_accounts.len()))
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.ok_or(InstructionError::MissingAccount)?
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.is_signer
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})
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}
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/// Returns whether an account is writable
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pub fn is_writable(&self, index_in_instruction: usize) -> Result<bool, InstructionError> {
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Ok(if index_in_instruction < self.program_accounts.len() {
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false
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} else {
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self.instruction_accounts
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.get(index_in_instruction.saturating_sub(self.program_accounts.len()))
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.ok_or(InstructionError::MissingAccount)?
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.is_writable
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})
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}
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/// Calculates the set of all keys of signer accounts in this Instruction
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/// Calculates the set of all keys of signer accounts in this Instruction
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pub fn get_signers(&self, transaction_context: &TransactionContext) -> HashSet<Pubkey> {
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pub fn get_signers(&self, transaction_context: &TransactionContext) -> HashSet<Pubkey> {
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let mut result = HashSet::new();
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let mut result = HashSet::new();
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@ -418,28 +436,6 @@ impl InstructionContext {
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}
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}
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result
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result
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}
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}
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/// Returns whether an account is a signer
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pub fn is_signer(&self, index_in_instruction: usize) -> bool {
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if index_in_instruction < self.program_accounts.len() {
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false
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} else {
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self.instruction_accounts
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[index_in_instruction.saturating_sub(self.program_accounts.len())]
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.is_signer
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}
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}
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/// Returns whether an account is writable
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pub fn is_writable(&self, index_in_instruction: usize) -> bool {
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if index_in_instruction < self.program_accounts.len() {
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false
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} else {
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self.instruction_accounts
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[index_in_instruction.saturating_sub(self.program_accounts.len())]
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.is_writable
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}
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}
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}
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}
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/// Shared account borrowed from the TransactionContext and an InstructionContext.
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/// Shared account borrowed from the TransactionContext and an InstructionContext.
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@ -474,10 +470,8 @@ impl<'a> BorrowedAccount<'a> {
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}
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}
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/// Assignes the owner of this account (transaction wide)
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/// Assignes the owner of this account (transaction wide)
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pub fn set_owner(&mut self, pubkey: &[u8]) -> Result<(), InstructionError> {
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pub fn set_owner(&mut self, pubkey: &[u8]) {
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self.account.copy_into_owner_from_slice(pubkey);
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self.account.copy_into_owner_from_slice(pubkey);
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self.verify_writability()
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// TODO: return Err(InstructionError::ModifiedProgramId);
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}
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}
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/// Returns the number of lamports of this account (transaction wide)
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/// Returns the number of lamports of this account (transaction wide)
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@ -486,16 +480,8 @@ impl<'a> BorrowedAccount<'a> {
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}
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}
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/// Overwrites the number of lamports of this account (transaction wide)
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/// Overwrites the number of lamports of this account (transaction wide)
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pub fn set_lamports(&mut self, lamports: u64) -> Result<(), InstructionError> {
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pub fn set_lamports(&mut self, lamports: u64) {
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self.account.set_lamports(lamports);
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self.account.set_lamports(lamports);
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if self.index_in_instruction < self.instruction_context.program_accounts.len() {
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return Err(InstructionError::ExecutableLamportChange);
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}
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if !self.is_writable() {
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return Err(InstructionError::ReadonlyLamportChange);
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}
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// TODO: return Err(InstructionError::ExternalAccountLamportSpend);
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Ok(())
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}
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}
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/// Adds lamports to this account (transaction wide)
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/// Adds lamports to this account (transaction wide)
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@ -504,7 +490,8 @@ impl<'a> BorrowedAccount<'a> {
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self.get_lamports()
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self.get_lamports()
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.checked_add(lamports)
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.checked_add(lamports)
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.ok_or(LamportsError::ArithmeticOverflow)?,
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.ok_or(LamportsError::ArithmeticOverflow)?,
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)
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);
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Ok(())
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}
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}
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|
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/// Subtracts lamports from this account (transaction wide)
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/// Subtracts lamports from this account (transaction wide)
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@ -513,18 +500,7 @@ impl<'a> BorrowedAccount<'a> {
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self.get_lamports()
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self.get_lamports()
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.checked_sub(lamports)
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.checked_sub(lamports)
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.ok_or(LamportsError::ArithmeticUnderflow)?,
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.ok_or(LamportsError::ArithmeticUnderflow)?,
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)
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);
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}
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|
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/// Verifies that this account is writable (instruction wide)
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fn verify_writability(&self) -> Result<(), InstructionError> {
|
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if self.index_in_instruction < self.instruction_context.program_accounts.len() {
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return Err(InstructionError::ExecutableDataModified);
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}
|
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if !self.is_writable() {
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return Err(InstructionError::ReadonlyDataModified);
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}
|
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// TODO: return Err(InstructionError::ExternalAccountDataModified);
|
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Ok(())
|
Ok(())
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}
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}
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|
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@ -533,21 +509,26 @@ impl<'a> BorrowedAccount<'a> {
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self.account.data()
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self.account.data()
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}
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}
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|
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/// Returns a writable slice of the account data (transaction wide)
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pub fn get_data_mut(&mut self) -> &mut [u8] {
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self.account.data_as_mut_slice()
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}
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|
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/// Overwrites the account data and size (transaction wide)
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/// Overwrites the account data and size (transaction wide)
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pub fn set_data(&mut self, data: &[u8]) -> Result<(), InstructionError> {
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pub fn set_data(&mut self, data: &[u8]) {
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if data.len() == self.account.data().len() {
|
if data.len() == self.account.data().len() {
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self.account.data_as_mut_slice().copy_from_slice(data);
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self.account.data_as_mut_slice().copy_from_slice(data);
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} else {
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} else {
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self.account.set_data_from_slice(data);
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self.account.set_data_from_slice(data);
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// TODO: return Err(InstructionError::AccountDataSizeChanged);
|
|
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}
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}
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self.verify_writability()
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|
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}
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}
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|
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/*pub fn realloc(&self, new_len: usize, zero_init: bool) {
|
/// Resizes the account data (transaction wide)
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||||||
// TODO: return Err(InstructionError::InvalidRealloc);
|
///
|
||||||
// TODO: return Err(InstructionError::AccountDataSizeChanged);
|
/// Fills it with zeros at the end if is extended or truncates at the end otherwise.
|
||||||
}*/
|
pub fn set_data_length(&mut self, new_len: usize) {
|
||||||
|
self.account.data_mut().resize(new_len, 0);
|
||||||
|
}
|
||||||
|
|
||||||
/// Deserializes the account data into a state
|
/// Deserializes the account data into a state
|
||||||
pub fn get_state<T: serde::de::DeserializeOwned>(&self) -> Result<T, InstructionError> {
|
pub fn get_state<T: serde::de::DeserializeOwned>(&self) -> Result<T, InstructionError> {
|
||||||
|
@ -565,7 +546,7 @@ impl<'a> BorrowedAccount<'a> {
|
||||||
return Err(InstructionError::AccountDataTooSmall);
|
return Err(InstructionError::AccountDataTooSmall);
|
||||||
}
|
}
|
||||||
bincode::serialize_into(&mut *data, state).map_err(|_| InstructionError::GenericError)?;
|
bincode::serialize_into(&mut *data, state).map_err(|_| InstructionError::GenericError)?;
|
||||||
self.verify_writability()
|
Ok(())
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Returns whether this account is executable (transaction wide)
|
/// Returns whether this account is executable (transaction wide)
|
||||||
|
@ -574,11 +555,8 @@ impl<'a> BorrowedAccount<'a> {
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Configures whether this account is executable (transaction wide)
|
/// Configures whether this account is executable (transaction wide)
|
||||||
pub fn set_executable(&mut self, is_executable: bool) -> Result<(), InstructionError> {
|
pub fn set_executable(&mut self, is_executable: bool) {
|
||||||
self.account.set_executable(is_executable);
|
self.account.set_executable(is_executable);
|
||||||
self.verify_writability()
|
|
||||||
// TODO: return Err(InstructionError::ExecutableAccountNotRentExempt);
|
|
||||||
// TODO: return Err(InstructionError::ExecutableModified);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Returns the rent epoch of this account (transaction wide)
|
/// Returns the rent epoch of this account (transaction wide)
|
||||||
|
@ -588,25 +566,15 @@ impl<'a> BorrowedAccount<'a> {
|
||||||
|
|
||||||
/// Returns whether this account is a signer (instruction wide)
|
/// Returns whether this account is a signer (instruction wide)
|
||||||
pub fn is_signer(&self) -> bool {
|
pub fn is_signer(&self) -> bool {
|
||||||
if self.index_in_instruction < self.instruction_context.program_accounts.len() {
|
self.instruction_context
|
||||||
false
|
.is_signer(self.index_in_instruction)
|
||||||
} else {
|
.unwrap_or_default()
|
||||||
self.instruction_context.instruction_accounts[self
|
|
||||||
.index_in_instruction
|
|
||||||
.saturating_sub(self.instruction_context.program_accounts.len())]
|
|
||||||
.is_signer
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/// Returns whether this account is writable (instruction wide)
|
/// Returns whether this account is writable (instruction wide)
|
||||||
pub fn is_writable(&self) -> bool {
|
pub fn is_writable(&self) -> bool {
|
||||||
if self.index_in_instruction < self.instruction_context.program_accounts.len() {
|
self.instruction_context
|
||||||
false
|
.is_writable(self.index_in_instruction)
|
||||||
} else {
|
.unwrap_or_default()
|
||||||
self.instruction_context.instruction_accounts[self
|
|
||||||
.index_in_instruction
|
|
||||||
.saturating_sub(self.instruction_context.program_accounts.len())]
|
|
||||||
.is_writable
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in New Issue