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chore: enforce window #11540

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merged 2 commits into from
Oct 7, 2024
Merged

chore: enforce window #11540

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7a86411
chore: enforce window
mattsse Oct 7, 2024
7244cf1
make tests pass
mattsse Oct 7, 2024
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17 changes: 15 additions & 2 deletions crates/rpc/rpc-eth-api/src/helpers/state.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -129,13 +129,26 @@ pub trait EthState: LoadState + SpawnBlocking {
&self,
address: Address,
block_id: BlockId,
) -> impl Future<Output = Result<Option<Account>, Self::Error>> + Send {
) -> impl Future<Output = Result<Option<Account>, Self::Error>> + Send
where
Self: EthApiSpec,
{
self.spawn_blocking_io(move |this| {
let state = this.state_at_block_id(block_id)?;

let account = state.basic_account(address).map_err(Self::Error::from_eth_err)?;
let Some(account) = account else { return Ok(None) };

// Check whether the distance to the block exceeds the maximum configured proof window.
let chain_info = this.chain_info().map_err(Self::Error::from_eth_err)?;
let block_number = LoadState::provider(&this)
.block_number_for_id(block_id)
.map_err(Self::Error::from_eth_err)?
.ok_or(EthApiError::HeaderNotFound(block_id))?;
let max_window = this.max_proof_window();
if chain_info.best_number.saturating_sub(block_number) > max_window {
return Err(EthApiError::ExceedsMaxProofWindow.into())
}

let balance = account.balance;
let nonce = account.nonce;
let code_hash = account.bytecode_hash.unwrap_or(KECCAK_EMPTY);
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