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eth/tracers: support for golang tracers + add golang callTracer (#23708)

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* eth/tracers: add basic native loader

* eth/tracers: add GetResult to tracer interface

* eth/tracers: add native call tracer

* eth/tracers: fix call tracer json result

* eth/tracers: minor fix

* eth/tracers: fix

* eth/tracers: fix benchTracer

* eth/tracers: test native call tracer

* eth/tracers: fix

* eth/tracers: rm extra make

Co-authored-by: Martin Holst Swende <martin@swende.se>

* eth/tracers: rm extra make

* eth/tracers: make callFrame private

* eth/tracers: clean-up and comments

* eth/tracers: add license

* eth/tracers: rework the model a bit

* eth/tracers: move tracecall tests to subpackage

* cmd/geth: load native tracers

* eth/tracers: minor fix

* eth/tracers: impl stop

* eth/tracers: add native noop tracer

* renamings

Co-authored-by: Martin Holst Swende <martin@swende.se>

* eth/tracers: more renamings

* eth/tracers: make jstracer non-exported, avoid cast

* eth/tracers, core/vm: rename vm.Tracer to vm.EVMLogger for clarity

* eth/tracers: minor comment fix

* eth/tracers/testing: lint nitpicks

* core,eth: cancel evm on nativecalltracer stop

* Revert "core,eth: cancel evm on nativecalltracer stop"

This reverts commit 01bb908790.

* eth/tracers: linter nits

* eth/tracers: fix output on err

Co-authored-by: Martin Holst Swende <martin@swende.se>
This commit is contained in:
Sina Mahmoodi
2021-11-05 11:48:21 +01:00
committed by GitHub
parent 3bbeb94c1c
commit 8d7e6062ec
15 changed files with 560 additions and 250 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
eth/tracers/api.go
View File

@@ -862,12 +862,14 @@ func (api *API) TraceCall(ctx context.Context, args ethapi.TransactionArgs, bloc
func (api *API) traceTx(ctx context.Context, message core.Message, txctx *Context, vmctx vm.BlockContext, statedb *state.StateDB, config *TraceConfig) (interface{}, error) {
// Assemble the structured logger or the JavaScript tracer
var (
tracer vm.Tracer
tracer vm.EVMLogger
err error
txContext = core.NewEVMTxContext(message)
)
switch {
case config != nil && config.Tracer != nil:
case config == nil:
tracer = vm.NewStructLogger(nil)
case config.Tracer != nil:
// Define a meaningful timeout of a single transaction trace
timeout := defaultTraceTimeout
if config.Timeout != nil {
@@ -875,23 +877,19 @@ func (api *API) traceTx(ctx context.Context, message core.Message, txctx *Contex
return nil, err
}
}
// Constuct the JavaScript tracer to execute with
if tracer, err = New(*config.Tracer, txctx); err != nil {
if t, err := New(*config.Tracer, txctx); err != nil {
return nil, err
} else {
deadlineCtx, cancel := context.WithTimeout(ctx, timeout)
go func() {
<-deadlineCtx.Done()
if errors.Is(deadlineCtx.Err(), context.DeadlineExceeded) {
t.Stop(errors.New("execution timeout"))
}
}()
defer cancel()
tracer = t
}
// Handle timeouts and RPC cancellations
deadlineCtx, cancel := context.WithTimeout(ctx, timeout)
go func() {
<-deadlineCtx.Done()
if deadlineCtx.Err() == context.DeadlineExceeded {
tracer.(*Tracer).Stop(errors.New("execution timeout"))
}
}()
defer cancel()
case config == nil:
tracer = vm.NewStructLogger(nil)
default:
tracer = vm.NewStructLogger(config.LogConfig)
}
@@ -921,7 +919,7 @@ func (api *API) traceTx(ctx context.Context, message core.Message, txctx *Contex
StructLogs: ethapi.FormatLogs(tracer.StructLogs()),
}, nil
case *Tracer:
case Tracer:
return tracer.GetResult()
default: