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solana/bridge: review comments 

Change-Id: Icd58a43cf14588cf4c39f5557bd2d027ef5364ef
This commit is contained in:
Leo 2021-04-17 18:58:41 +02:00 committed by Leopold Schabel
parent 33f39d30fa
commit 31a94eeb79
1 changed files with 10 additions and 0 deletions
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10
solana/bridge/src/processor.rs
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@ -345,14 +345,24 @@ impl Bridge {
) -> ProgramResult {
msg!("publishing message");
let account_info_iter = &mut accounts.iter();
// Unused accounts.
next_account_info(account_info_iter)?; // Bridge program
next_account_info(account_info_iter)?; // System program
next_account_info(account_info_iter)?; // Rent sysvar
// solana_program::sysvar::clock::id() verified by Clock::from_account_info.
let clock_info = next_account_info(account_info_iter)?;
// solana_program::sysvar::instructions::id() verified below.
let instructions_info = next_account_info(account_info_iter)?;
// owner == bridge program asserted by Self::next_account_info_with_owner.
let bridge_info = Self::next_account_info_with_owner(account_info_iter, program_id)?;
// Derived account verified to match the expected pubkey via Bridge::check_and_create_account.
let message_info = next_account_info(account_info_iter)?;
// No need to verify - only used as the fee payer for account creation.
let payer_info = next_account_info(account_info_iter)?;
// The emitter, only used as metadata. We verify that the account is a signer
// to prevent messages from being spoofed.
let emitter_info = next_account_info(account_info_iter)?;
let clock = Clock::from_account_info(clock_info)?;