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feat(rpc): impl eth_call (#1612)

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This commit is contained in:
Matthias Seitz
2023-03-02 18:42:41 +01:00
committed by GitHub
parent 1ae74feeb5
commit 161795945b
1 changed files with 28 additions and 17 deletions
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45
crates/rpc/rpc/src/eth/api/call.rs
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@ -27,13 +27,38 @@ impl<Client, Pool, Network> EthApi<Client, Pool, Network>
where
Client: BlockProvider + StateProviderFactory + EvmEnvProvider + 'static,
{
/// Returns the revm evm env for the requested [BlockId]
///
/// If the [BlockId] this will return the [BlockId::Hash] of the block the env was configured
/// for.
async fn evm_env_at(&self, at: BlockId) -> EthResult<(CfgEnv, BlockEnv, BlockId)> {
// TODO handle Pending state's env
match at {
BlockId::Number(BlockNumberOrTag::Pending) => {
// This should perhaps use the latest env settings and update block specific
// settings like basefee/number
unimplemented!("support pending state env")
}
hash_or_num => {
let block_hash = self
.client()
.block_hash_for_id(hash_or_num)?
.ok_or_else(|| EthApiError::UnknownBlockNumber)?;
let (cfg, env) = self.cache().get_evm_env(block_hash).await?;
Ok((cfg, env, block_hash.into()))
}
}
}
/// Executes the call request at the given [BlockId]
pub(crate) fn call_at(
pub(crate) async fn call_at(
&self,
request: CallRequest,
at: BlockId,
) -> EthResult<(ResultAndState, Env)> {
todo!()
let (cfg, block_env, at) = self.evm_env_at(at).await?;
let state = self.state_at_block_id(at)?.ok_or_else(|| EthApiError::UnknownBlockNumber)?;
self.call_with(cfg, block_env, request, state)
}
/// Executes the call request using the given environment against the state provider
@ -64,21 +89,7 @@ where
request: CallRequest,
at: BlockId,
) -> EthResult<U256> {
// TODO handle Pending state's env
let (cfg, block_env) = match at {
BlockId::Number(BlockNumberOrTag::Pending) => {
// This should perhaps use the latest env settings and update block specific
// settings like basefee/number
unimplemented!("support pending state env")
}
hash_or_num => {
let block_hash = self
.client()
.block_hash_for_id(hash_or_num)?
.ok_or_else(|| EthApiError::UnknownBlockNumber)?;
self.cache().get_evm_env(block_hash).await?
}
};
let (cfg, block_env, at) = self.evm_env_at(at).await?;
let state = self.state_at_block_id(at)?.ok_or_else(|| EthApiError::UnknownBlockNumber)?;
self.estimate_gas_with(cfg, block_env, request, state)
}