59 lines
2.1 KiB
Go
59 lines
2.1 KiB
Go
package tracers
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import (
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"reflect"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/plugins"
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"github.com/ethereum/go-ethereum/plugins/interfaces"
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"github.com/ethereum/go-ethereum/plugins/wrappers"
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"github.com/openrelayxyz/plugeth-utils/core"
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)
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func GetPluginTracer(pl *plugins.PluginLoader, name string) (func(*state.StateDB, vm.BlockContext) interfaces.TracerResult, bool) {
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tracers := pl.Lookup("Tracers", func(item interface{}) bool {
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_, ok := item.(*map[string]func(core.StateDB) core.TracerResult)
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_, ok2 := item.(*map[string]func(core.StateDB, core.BlockContext) core.TracerResult)
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if !(ok || ok2) {
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log.Warn("Found tracer that did not match type", "tracer", reflect.TypeOf(item))
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}
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return ok || ok2
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})
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for _, tmap := range tracers {
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if tracerMap, ok := tmap.(*map[string]func(core.StateDB) core.TracerResult); ok {
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if tracer, ok := (*tracerMap)[name]; ok {
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return func(sdb *state.StateDB, vmctx vm.BlockContext) interfaces.TracerResult {
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return wrappers.NewWrappedTracer(tracer(wrappers.NewWrappedStateDB(sdb)))
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}, true
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}
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}
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if tracerMap, ok := tmap.(*map[string]func(core.StateDB, core.BlockContext) core.TracerResult); ok {
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if tracer, ok := (*tracerMap)[name]; ok {
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return func(sdb *state.StateDB, vmctx vm.BlockContext) interfaces.TracerResult {
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return wrappers.NewWrappedTracer(tracer(wrappers.NewWrappedStateDB(sdb), core.BlockContext{
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Coinbase: core.Address(vmctx.Coinbase),
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GasLimit: vmctx.GasLimit,
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BlockNumber: vmctx.BlockNumber,
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Time: vmctx.Time,
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Difficulty: vmctx.Difficulty,
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BaseFee: vmctx.BaseFee,
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}))
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}, true
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}
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}
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}
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log.Info("Tracer not found", "name", name, "tracers", len(tracers))
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return nil, false
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}
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func getPluginTracer(name string) (func(*state.StateDB, vm.BlockContext) interfaces.TracerResult, bool) {
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if plugins.DefaultPluginLoader == nil {
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log.Warn("Attempting GetPluginTracer, but default PluginLoader has not been initialized")
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return nil, false
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}
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return GetPluginTracer(plugins.DefaultPluginLoader, name)
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}
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