67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
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package importer
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import (
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"fmt"
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ethmath "github.com/ethereum/go-ethereum/common/math"
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ethvm "github.com/ethereum/go-ethereum/core/vm"
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)
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// StructLogRes stores a structured log emitted by the EVM while replaying a
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// transaction in debug mode.
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type StructLogRes struct {
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Pc uint64 `json:"pc"`
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Op string `json:"op"`
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Gas uint64 `json:"gas"`
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GasCost uint64 `json:"gasCost"`
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Depth int `json:"depth"`
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Error error `json:"error,omitempty"`
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Stack *[]string `json:"stack,omitempty"`
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Memory *[]string `json:"memory,omitempty"`
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Storage *map[string]string `json:"storage,omitempty"`
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}
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// FormatLogs formats EVM returned structured logs for json output.
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func FormatLogs(logs []ethvm.StructLog) []StructLogRes {
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formatted := make([]StructLogRes, len(logs))
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for index, trace := range logs {
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formatted[index] = StructLogRes{
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Pc: trace.Pc,
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Op: trace.Op.String(),
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Gas: trace.Gas,
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GasCost: trace.GasCost,
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Depth: trace.Depth,
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Error: trace.Err,
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}
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if trace.Stack != nil {
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stack := make([]string, len(trace.Stack))
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for i, stackValue := range trace.Stack {
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stack[i] = fmt.Sprintf("%x", ethmath.PaddedBigBytes(stackValue, 32))
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}
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formatted[index].Stack = &stack
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}
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if trace.Memory != nil {
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memory := make([]string, 0, (len(trace.Memory)+31)/32)
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for i := 0; i+32 <= len(trace.Memory); i += 32 {
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memory = append(memory, fmt.Sprintf("%x", trace.Memory[i:i+32]))
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}
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formatted[index].Memory = &memory
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}
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if trace.Storage != nil {
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storage := make(map[string]string)
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for i, storageValue := range trace.Storage {
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storage[fmt.Sprintf("%x", i)] = fmt.Sprintf("%x", storageValue)
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}
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formatted[index].Storage = &storage
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}
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}
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return formatted
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}
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