recent_blockhashes

solana_program_runtime::sysvar_cache::get_sysvar_with_account_check

Function recent_blockhashes 

Source 
pub fn recent_blockhashes(
    invoke_context: &InvokeContext<'_>,
    instruction_context: &InstructionContext<'_>,
    instruction_account_index: IndexOfAccount,
) -> Result<Arc<RecentBlockhashes>, InstructionError>