async fn fetch_one_block(
provider: RootProvider<AnyNetwork>,
block_number: u64,
bal_enabled: bool,
) -> Result<Option<(AnyRpcBlock, Option<BlockAccessList>)>>Expand description
Fetches one block + receipts (and optionally its BAL) from the RPC. Returns Ok(None)
when the block doesn’t exist yet (chain-tip reached).