use core::fmt::Display;
use reth_execution_errors::BlockExecutionError;
use reth_execution_types::{BlockExecutionInput, BlockExecutionOutput, ExecutionOutcome};
use reth_primitives::{BlockNumber, BlockWithSenders, Receipt};
use reth_prune_types::PruneModes;
use reth_storage_errors::provider::ProviderError;
use revm_primitives::db::Database;
use crate::execute::{BatchExecutor, BlockExecutorProvider, Executor};
const UNAVAILABLE_FOR_NOOP: &str = "execution unavailable for noop";
#[derive(Debug, Default, Clone)]
#[non_exhaustive]
pub struct NoopBlockExecutorProvider;
impl BlockExecutorProvider for NoopBlockExecutorProvider {
type Executor<DB: Database<Error: Into<ProviderError> + Display>> = Self;
type BatchExecutor<DB: Database<Error: Into<ProviderError> + Display>> = Self;
fn executor<DB>(&self, _: DB) -> Self::Executor<DB>
where
DB: Database<Error: Into<ProviderError> + Display>,
{
Self
}
fn batch_executor<DB>(&self, _: DB) -> Self::BatchExecutor<DB>
where
DB: Database<Error: Into<ProviderError> + Display>,
{
Self
}
}
impl<DB> Executor<DB> for NoopBlockExecutorProvider {
type Input<'a> = BlockExecutionInput<'a, BlockWithSenders>;
type Output = BlockExecutionOutput<Receipt>;
type Error = BlockExecutionError;
fn execute(self, _: Self::Input<'_>) -> Result<Self::Output, Self::Error> {
Err(BlockExecutionError::msg(UNAVAILABLE_FOR_NOOP))
}
}
impl<DB> BatchExecutor<DB> for NoopBlockExecutorProvider {
type Input<'a> = BlockExecutionInput<'a, BlockWithSenders>;
type Output = ExecutionOutcome;
type Error = BlockExecutionError;
fn execute_and_verify_one(&mut self, _: Self::Input<'_>) -> Result<(), Self::Error> {
Err(BlockExecutionError::msg(UNAVAILABLE_FOR_NOOP))
}
fn finalize(self) -> Self::Output {
unreachable!()
}
fn set_tip(&mut self, _: BlockNumber) {}
fn set_prune_modes(&mut self, _: PruneModes) {}
fn size_hint(&self) -> Option<usize> {
None
}
}