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mod bloom;
mod config;
mod db;
mod error;
mod executive_tracer;
mod import;
mod noop_tracer;
pub use types::trace_types::{filter, flat, localized, trace};
pub use types::trace_types::error::Error as TraceError;
pub use self::config::Config;
pub use self::db::TraceDB;
pub use self::error::Error;
pub use types::trace_types::trace::{VMTrace, VMOperation, VMExecutedOperation, MemoryDiff, StorageDiff};
pub use types::trace_types::flat::{FlatTrace, FlatTransactionTraces, FlatBlockTraces};
pub use self::noop_tracer::{NoopTracer, NoopVMTracer};
pub use self::executive_tracer::{ExecutiveTracer, ExecutiveVMTracer};
pub use types::trace_types::filter::{Filter, AddressesFilter};
pub use self::import::ImportRequest;
pub use self::localized::LocalizedTrace;
use util::{Bytes, Address, U256, H256, DBTransaction};
use self::trace::{Call, Create};
use action_params::ActionParams;
use header::BlockNumber;
pub trait Tracer: Send {
fn prepare_trace_call(&self, params: &ActionParams) -> Option<Call>;
fn prepare_trace_create(&self, params: &ActionParams) -> Option<Create>;
fn prepare_trace_output(&self) -> Option<Bytes>;
fn trace_call(
&mut self,
call: Option<Call>,
gas_used: U256,
output: Option<Bytes>,
subs: Vec<FlatTrace>,
);
fn trace_create(
&mut self,
create: Option<Create>,
gas_used: U256,
code: Option<Bytes>,
address: Address,
subs: Vec<FlatTrace>
);
fn trace_failed_call(&mut self, call: Option<Call>, subs: Vec<FlatTrace>, error: TraceError);
fn trace_failed_create(&mut self, create: Option<Create>, subs: Vec<FlatTrace>, error: TraceError);
fn trace_suicide(&mut self, address: Address, balance: U256, refund_address: Address);
fn subtracer(&self) -> Self where Self: Sized;
fn traces(self) -> Vec<FlatTrace>;
}
pub trait VMTracer: Send {
fn trace_prepare_execute(&mut self, _pc: usize, _instruction: u8, _gas_cost: &U256) -> bool { false }
fn trace_executed(&mut self, _gas_used: U256, _stack_push: &[U256], _mem_diff: Option<(usize, &[u8])>, _store_diff: Option<(U256, U256)>) {}
fn prepare_subtrace(&self, code: &[u8]) -> Self where Self: Sized;
fn done_subtrace(&mut self, sub: Self) where Self: Sized;
fn drain(self) -> Option<VMTrace>;
}
pub trait DatabaseExtras {
fn block_hash(&self, block_number: BlockNumber) -> Option<H256>;
fn transaction_hash(&self, block_number: BlockNumber, tx_position: usize) -> Option<H256>;
}
pub trait Database {
fn tracing_enabled(&self) -> bool;
fn import(&self, batch: &mut DBTransaction, request: ImportRequest);
fn trace(&self, block_number: BlockNumber, tx_position: usize, trace_position: Vec<usize>) -> Option<LocalizedTrace>;
fn transaction_traces(&self, block_number: BlockNumber, tx_position: usize) -> Option<Vec<LocalizedTrace>>;
fn block_traces(&self, block_number: BlockNumber) -> Option<Vec<LocalizedTrace>>;
fn filter(&self, filter: &Filter) -> Vec<LocalizedTrace>;
}