41 lines
1.0 KiB
Go
41 lines
1.0 KiB
Go
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package types
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import (
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"math/big"
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"os"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/params"
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)
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const (
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TracerAccessList = "access_list"
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TracerJSON = "json"
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TracerStruct = "struct"
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TracerMarkdown = "markdown"
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)
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// NewTracer creates a new Logger tracer to collect execution traces from an
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// EVM transaction.
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func NewTracer(tracer string, msg core.Message, cfg *params.ChainConfig, height int64, debug bool) vm.Tracer {
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// TODO: enable additional log configuration
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logCfg := &vm.LogConfig{
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Debug: debug,
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}
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switch tracer {
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case TracerAccessList:
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precompiles := vm.ActivePrecompiles(cfg.Rules(big.NewInt(height)))
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return vm.NewAccessListTracer(msg.AccessList(), msg.From(), *msg.To(), precompiles)
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case TracerJSON:
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return vm.NewJSONLogger(logCfg, os.Stderr)
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case TracerMarkdown:
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return vm.NewMarkdownLogger(logCfg, os.Stdout) // TODO: Stderr ?
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case TracerStruct:
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return vm.NewStructLogger(logCfg)
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default:
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return nil
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}
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}
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