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refactor(katana-rpc): starknet rpc clean up (#2205)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| //! Server implementation for the Starknet JSON-RPC API. | ||
| mod read; | ||
| mod trace; | ||
| mod write; | ||
|
|
||
| use std::sync::Arc; | ||
|
|
||
| use katana_core::sequencer::KatanaSequencer; | ||
| use katana_executor::ExecutorFactory; | ||
| use katana_primitives::block::BlockIdOrTag; | ||
| use katana_primitives::transaction::ExecutableTxWithHash; | ||
| use katana_rpc_types::error::starknet::StarknetApiError; | ||
| use katana_rpc_types::FeeEstimate; | ||
| use katana_tasks::{BlockingTaskPool, TokioTaskSpawner}; | ||
|
|
||
| #[allow(missing_debug_implementations)] | ||
| pub struct StarknetApi<EF: ExecutorFactory> { | ||
| inner: Arc<Inner<EF>>, | ||
| } | ||
|
|
||
| impl<EF: ExecutorFactory> Clone for StarknetApi<EF> { | ||
| fn clone(&self) -> Self { | ||
| Self { inner: Arc::clone(&self.inner) } | ||
| } | ||
| } | ||
|
|
||
| struct Inner<EF: ExecutorFactory> { | ||
| sequencer: Arc<KatanaSequencer<EF>>, | ||
| blocking_task_pool: BlockingTaskPool, | ||
| } | ||
|
|
||
| impl<EF: ExecutorFactory> StarknetApi<EF> { | ||
| pub fn new(sequencer: Arc<KatanaSequencer<EF>>) -> Self { | ||
| let blocking_task_pool = | ||
| BlockingTaskPool::new().expect("failed to create blocking task pool"); | ||
| Self { inner: Arc::new(Inner { sequencer, blocking_task_pool }) } | ||
| } | ||
|
|
||
| async fn on_cpu_blocking_task<F, T>(&self, func: F) -> T | ||
| where | ||
| F: FnOnce(Self) -> T + Send + 'static, | ||
| T: Send + 'static, | ||
| { | ||
| let this = self.clone(); | ||
| self.inner.blocking_task_pool.spawn(move || func(this)).await.unwrap() | ||
| } | ||
|
|
||
| async fn on_io_blocking_task<F, T>(&self, func: F) -> T | ||
| where | ||
| F: FnOnce(Self) -> T + Send + 'static, | ||
| T: Send + 'static, | ||
| { | ||
| let this = self.clone(); | ||
| TokioTaskSpawner::new().unwrap().spawn_blocking(move || func(this)).await.unwrap() | ||
| } | ||
|
|
||
| fn estimate_fee_with( | ||
| &self, | ||
| transactions: Vec<ExecutableTxWithHash>, | ||
| block_id: BlockIdOrTag, | ||
| flags: katana_executor::SimulationFlag, | ||
| ) -> Result<Vec<FeeEstimate>, StarknetApiError> { | ||
| let sequencer = &self.inner.sequencer; | ||
| // get the state and block env at the specified block for execution | ||
| let state = sequencer.state(&block_id).map_err(StarknetApiError::from)?; | ||
| let env = sequencer | ||
| .block_env_at(block_id) | ||
| .map_err(StarknetApiError::from)? | ||
| .ok_or(StarknetApiError::BlockNotFound)?; | ||
|
|
||
| // create the executor | ||
| let executor = sequencer.backend.executor_factory.with_state_and_block_env(state, env); | ||
| let results = executor.estimate_fee(transactions, flags); | ||
|
|
||
| let mut estimates = Vec::with_capacity(results.len()); | ||
| for (i, res) in results.into_iter().enumerate() { | ||
| match res { | ||
| Ok(fee) => estimates.push(FeeEstimate { | ||
| gas_price: fee.gas_price.into(), | ||
| gas_consumed: fee.gas_consumed.into(), | ||
| overall_fee: fee.overall_fee.into(), | ||
| unit: fee.unit, | ||
| data_gas_price: Default::default(), | ||
| data_gas_consumed: Default::default(), | ||
| }), | ||
|
|
||
| Err(err) => { | ||
| return Err(StarknetApiError::TransactionExecutionError { | ||
| transaction_index: i, | ||
| execution_error: err.to_string(), | ||
| }); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| Ok(estimates) | ||
| } | ||
| } |
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