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eth/tracers: add native call tracer

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This commit is contained in:
Sina Mahmoodi
2021-10-11 18:20:45 +02:00
parent 57c993b6cb
commit c9c1dc9d5c
2 changed files with 143 additions and 13 deletions
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31
eth/tracers/api.go
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@@ -36,6 +36,7 @@ import (
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/eth/tracers/native"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/internal/ethapi"
"github.com/ethereum/go-ethereum/log"
@@ -858,19 +859,23 @@ 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 {
return nil, err
}
// 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"))
// Native tracers take precedence
var ok bool
if tracer, ok = native.New(*config.Tracer); !ok {
if tracer, err = New(*config.Tracer, txctx); err != nil {
return nil, err
}
}()
defer cancel()
// TODO(s1na): do we need timeout for native tracers?
// 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)
@@ -904,7 +909,7 @@ func (api *API) traceTx(ctx context.Context, message core.Message, txctx *Contex
StructLogs: ethapi.FormatLogs(tracer.StructLogs()),
}, nil
case *Tracer:
case native.Tracer:
return tracer.GetResult()
default: