From a132fefcc7d3d99556aec7ec42ff4b471db4ee1b Mon Sep 17 00:00:00 2001 From: Gav Wood Date: Thu, 2 Jun 2016 13:50:50 +0200 Subject: [PATCH] Transaction tracing for eth_call. --- ethcore/src/client/client.rs | 2 +- ethcore/src/client/mod.rs | 2 ++ ethcore/src/miner/miner.rs | 2 +- rpc/src/v1/impls/traces.rs | 29 ++++++++++++++++++++++------- rpc/src/v1/traits/traces.rs | 6 +++++- rpc/src/v1/types/mod.rs.in | 2 +- rpc/src/v1/types/trace.rs | 36 ++++++++++++++++++++++++++++++------ 7 files changed, 62 insertions(+), 17 deletions(-) diff --git a/ethcore/src/client/client.rs b/ethcore/src/client/client.rs index 6f0e5b874..da1672812 100644 --- a/ethcore/src/client/client.rs +++ b/ethcore/src/client/client.rs @@ -461,7 +461,7 @@ impl BlockChainClient for Client where V: Verifier { // give the sender a sufficient balance state.add_balance(&sender, &(needed_balance - balance)); } - let options = TransactOptions { tracing: false, vm_tracing: analytics.vm_tracing, check_nonce: false }; + let options = TransactOptions { tracing: analytics.transaction_tracing, vm_tracing: analytics.vm_tracing, check_nonce: false }; let mut ret = Executive::new(&mut state, &env_info, self.engine.deref().deref(), &self.vm_factory).transact(t, options); // TODO gav move this into Executive. if analytics.state_diffing { diff --git a/ethcore/src/client/mod.rs b/ethcore/src/client/mod.rs index 0dffb1a1c..947da4904 100644 --- a/ethcore/src/client/mod.rs +++ b/ethcore/src/client/mod.rs @@ -52,6 +52,8 @@ use error::Error as EthError; /// Options concerning what analytics we run on the call. #[derive(Eq, PartialEq, Default, Clone, Copy, Debug)] pub struct CallAnalytics { + /// Make a transaction trace. + pub transaction_tracing: bool, /// Make a VM trace. pub vm_tracing: bool, /// Make a diff. diff --git a/ethcore/src/miner/miner.rs b/ethcore/src/miner/miner.rs index 18a253ea9..4abef5554 100644 --- a/ethcore/src/miner/miner.rs +++ b/ethcore/src/miner/miner.rs @@ -276,7 +276,7 @@ impl MinerService for Miner { // give the sender max balance state.sub_balance(&sender, &balance); state.add_balance(&sender, &U256::max_value()); - let options = TransactOptions { tracing: false, vm_tracing: analytics.vm_tracing, check_nonce: false }; + let options = TransactOptions { tracing: analytics.transaction_tracing, vm_tracing: analytics.vm_tracing, check_nonce: false }; let mut ret = Executive::new(&mut state, &env_info, self.engine(), chain.vm_factory()).transact(t, options); // TODO gav move this into Executive. diff --git a/rpc/src/v1/impls/traces.rs b/rpc/src/v1/impls/traces.rs index b6015d498..8a1627836 100644 --- a/rpc/src/v1/impls/traces.rs +++ b/rpc/src/v1/impls/traces.rs @@ -28,7 +28,7 @@ use ethcore::state_diff::StateDiff; use ethcore::account_diff::{Diff, Existance}; use ethcore::transaction::{Transaction as EthTransaction, SignedTransaction, Action}; use v1::traits::Traces; -use v1::types::{TraceFilter, Trace, BlockNumber, Index, CallRequest}; +use v1::types::{TraceFilter, LocalizedTrace, Trace, BlockNumber, Index, CallRequest}; /// Traces api implementation. pub struct TracesClient where C: BlockChainClient, M: MinerService { @@ -156,7 +156,7 @@ impl Traces for TracesClient where C: BlockChainClient + 'static, M: .and_then(|(filter, )| { let client = take_weak!(self.client); let traces = client.filter_traces(filter.into()); - let traces = traces.map_or_else(Vec::new, |traces| traces.into_iter().map(Trace::from).collect()); + let traces = traces.map_or_else(Vec::new, |traces| traces.into_iter().map(LocalizedTrace::from).collect()); to_value(&traces) }) } @@ -166,7 +166,7 @@ impl Traces for TracesClient where C: BlockChainClient + 'static, M: .and_then(|(block_number,)| { let client = take_weak!(self.client); let traces = client.block_traces(block_number.into()); - let traces = traces.map_or_else(Vec::new, |traces| traces.into_iter().map(Trace::from).collect()); + let traces = traces.map_or_else(Vec::new, |traces| traces.into_iter().map(LocalizedTrace::from).collect()); to_value(&traces) }) } @@ -176,7 +176,7 @@ impl Traces for TracesClient where C: BlockChainClient + 'static, M: .and_then(|(transaction_hash,)| { let client = take_weak!(self.client); let traces = client.transaction_traces(TransactionID::Hash(transaction_hash)); - let traces = traces.map_or_else(Vec::new, |traces| traces.into_iter().map(Trace::from).collect()); + let traces = traces.map_or_else(Vec::new, |traces| traces.into_iter().map(LocalizedTrace::from).collect()); to_value(&traces) }) } @@ -190,17 +190,32 @@ impl Traces for TracesClient where C: BlockChainClient + 'static, M: address: address.into_iter().map(|i| i.value()).collect() }; let trace = client.trace(id); - let trace = trace.map(Trace::from); + let trace = trace.map(LocalizedTrace::from); to_value(&trace) }) } + fn trace_call(&self, params: Params) -> Result { + trace!(target: "jsonrpc", "trace_call: {:?}", params); + from_params(params) + .and_then(|(request,)| { + let signed = try!(self.sign_call(request)); + let r = take_weak!(self.client).call(&signed, CallAnalytics{ transaction_tracing: true, vm_tracing: false, state_diffing: false }); + if let Ok(executed) = r { + if let Some(trace) = executed.trace { + return to_value(&Trace::from(trace)); + } + } + Ok(Value::Null) + }) + } + fn vm_trace_call(&self, params: Params) -> Result { trace!(target: "jsonrpc", "vm_trace_call: {:?}", params); from_params(params) .and_then(|(request,)| { let signed = try!(self.sign_call(request)); - let r = take_weak!(self.client).call(&signed, CallAnalytics{ vm_tracing: true, state_diffing: false }); + let r = take_weak!(self.client).call(&signed, CallAnalytics{ transaction_tracing: false, vm_tracing: true, state_diffing: false }); if let Ok(executed) = r { if let Some(vm_trace) = executed.vm_trace { return Ok(vm_trace_to_object(&vm_trace)); @@ -215,7 +230,7 @@ impl Traces for TracesClient where C: BlockChainClient + 'static, M: from_params(params) .and_then(|(request,)| { let signed = try!(self.sign_call(request)); - let r = take_weak!(self.client).call(&signed, CallAnalytics{ vm_tracing: false, state_diffing: true }); + let r = take_weak!(self.client).call(&signed, CallAnalytics{ transaction_tracing: false, vm_tracing: false, state_diffing: true }); if let Ok(executed) = r { if let Some(state_diff) = executed.state_diff { return Ok(state_diff_to_object(&state_diff)); diff --git a/rpc/src/v1/traits/traces.rs b/rpc/src/v1/traits/traces.rs index 4b58b12ac..c00b52822 100644 --- a/rpc/src/v1/traits/traces.rs +++ b/rpc/src/v1/traits/traces.rs @@ -32,11 +32,14 @@ pub trait Traces: Sized + Send + Sync + 'static { /// Returns all traces produced at given block. fn block_traces(&self, _: Params) -> Result; + /// Executes the given call and returns the transaction trace for it. + fn trace_call(&self, _: Params) -> Result; + /// Executes the given call and returns the VM trace for it. fn vm_trace_call(&self, _: Params) -> Result; /// Executes the given call and returns the diff for it. - fn state_diff_call(&self, params: Params) -> Result; + fn state_diff_call(&self, _: Params) -> Result; /// Should be used to convert object to io delegate. fn to_delegate(self) -> IoDelegate { @@ -46,6 +49,7 @@ pub trait Traces: Sized + Send + Sync + 'static { delegate.add_method("trace_transaction", Traces::transaction_traces); delegate.add_method("trace_block", Traces::block_traces); + delegate.add_method("trace_traceCall", Traces::trace_call); delegate.add_method("trace_vmTraceCall", Traces::vm_trace_call); delegate.add_method("trace_stateDiffCall", Traces::state_diff_call); diff --git a/rpc/src/v1/types/mod.rs.in b/rpc/src/v1/types/mod.rs.in index b4e82a28b..ba10fbe18 100644 --- a/rpc/src/v1/types/mod.rs.in +++ b/rpc/src/v1/types/mod.rs.in @@ -41,5 +41,5 @@ pub use self::transaction::Transaction; pub use self::transaction_request::{TransactionRequest, TransactionConfirmation, TransactionModification}; pub use self::call_request::CallRequest; pub use self::receipt::Receipt; -pub use self::trace::Trace; +pub use self::trace::{Trace, LocalizedTrace}; pub use self::trace_filter::TraceFilter; diff --git a/rpc/src/v1/types/trace.rs b/rpc/src/v1/types/trace.rs index 6ea58543a..070b7d7d0 100644 --- a/rpc/src/v1/types/trace.rs +++ b/rpc/src/v1/types/trace.rs @@ -16,7 +16,7 @@ use util::{Address, U256, H256}; use ethcore::trace::trace; -use ethcore::trace::LocalizedTrace; +use ethcore::trace::{Trace as EthTrace, LocalizedTrace as EthLocalizedTrace}; use v1::types::Bytes; /// Create response @@ -161,7 +161,7 @@ impl From for Res { /// Trace #[derive(Debug, Serialize)] -pub struct Trace { +pub struct LocalizedTrace { /// Action action: Action, /// Result @@ -185,9 +185,9 @@ pub struct Trace { block_hash: H256, } -impl From for Trace { - fn from(t: LocalizedTrace) -> Self { - Trace { +impl From for LocalizedTrace { + fn from(t: EthLocalizedTrace) -> Self { + LocalizedTrace { action: From::from(t.action), result: From::from(t.result), trace_address: t.trace_address.into_iter().map(From::from).collect(), @@ -200,6 +200,30 @@ impl From for Trace { } } +/// Trace +#[derive(Debug, Serialize)] +pub struct Trace { + /// Depth within the call trace tree. + depth: usize, + /// Action + action: Action, + /// Result + result: Res, + /// Subtraces + subtraces: Vec, +} + +impl From for Trace { + fn from(t: EthTrace) -> Self { + Trace { + depth: t.depth.into(), + action: t.action.into(), + result: t.result.into(), + subtraces: t.subs.into_iter().map(From::from).collect(), + } + } +} + #[cfg(test)] mod tests { use serde_json; @@ -209,7 +233,7 @@ mod tests { #[test] fn test_trace_serialize() { - let t = Trace { + let t = LocalizedTrace { action: Action::Call(Call { from: Address::from(4), to: Address::from(5),