plugeth/eth/plugin_hooks.go

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package eth
import (
"math/big"
"reflect"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/plugins"
"github.com/ethereum/go-ethereum/plugins/wrappers"
"github.com/openrelayxyz/plugeth-utils/core"
)
type metaTracer struct {
tracers []core.TracerResult
}
func (mt *metaTracer) CaptureStart(env *vm.EVM, from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) {
for _, tracer := range mt.tracers {
tracer.CaptureStart(core.Address(from), core.Address(to), create, input, gas, value)
}
}
func (mt *metaTracer) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, rData []byte, depth int, err error) {
for _, tracer := range mt.tracers {
tracer.CaptureState(pc, core.OpCode(op), gas, cost, wrappers.NewWrappedScopeContext(scope), rData, depth, err)
}
}
func (mt *metaTracer) CaptureFault(env *vm.EVM, pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, depth int, err error) {
for _, tracer := range mt.tracers {
tracer.CaptureFault(pc, core.OpCode(op), gas, cost, wrappers.NewWrappedScopeContext(scope), depth, err)
}
}
func (mt *metaTracer) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) {
for _, tracer := range mt.tracers {
tracer.CaptureEnd(output, gasUsed, t, err)
}
}
func PluginUpdateBlockchainVMConfig(pl *plugins.PluginLoader, cfg *vm.Config) {
tracerList := plugins.Lookup("LiveTracer", func(item interface{}) bool {
_, ok := item.(core.TracerResult)
log.Info("Item is LiveTracer", "ok", ok, "type", reflect.TypeOf(item))
return ok
})
if len(tracerList) > 0 {
mt := &metaTracer{tracers: []core.TracerResult{}}
for _, tracer := range tracerList {
if v, ok := tracer.(core.TracerResult); ok {
log.Info("LiveTracer registered")
mt.tracers = append(mt.tracers, v)
} else {
log.Info("Item is not tracer")
}
}
cfg.Debug = true
cfg.Tracer = mt
} else {
log.Warn("Module is not tracer")
}
}
func pluginUpdateBlockchainVMConfig(cfg *vm.Config) {
if plugins.DefaultPluginLoader == nil {
log.Warn("Attempting CreateConsensusEngine, but default PluginLoader has not been initialized")
return
}
PluginUpdateBlockchainVMConfig(plugins.DefaultPluginLoader, cfg)
}