plugeth/core/vm/logger.go

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package vm
import (
"fmt"
"os"
"unicode"
"github.com/ethereum/go-ethereum/common"
)
func StdErrFormat(logs []StructLog) {
fmt.Fprintf(os.Stderr, "VM Stats %d ops\n", len(logs))
for _, log := range logs {
fmt.Fprintf(os.Stderr, "PC %08d: %s GAS: %v COST: %v\n", log.Pc, log.Op, log.Gas, log.GasCost)
fmt.Fprintln(os.Stderr, "STACK =", len(log.Stack))
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for i := len(log.Stack) - 1; i >= 0; i-- {
fmt.Fprintf(os.Stderr, "%04d: %x\n", len(log.Stack)-i-1, common.LeftPadBytes(log.Stack[i].Bytes(), 32))
}
const maxMem = 10
addr := 0
fmt.Fprintln(os.Stderr, "MEM =", len(log.Memory))
for i := 0; i+16 <= len(log.Memory) && addr < maxMem; i += 16 {
data := log.Memory[i : i+16]
str := fmt.Sprintf("%04d: % x ", addr*16, data)
for _, r := range data {
if r == 0 {
str += "."
} else if unicode.IsPrint(rune(r)) {
str += fmt.Sprintf("%s", string(r))
} else {
str += "?"
}
}
addr++
fmt.Fprintln(os.Stderr, str)
}
fmt.Fprintln(os.Stderr, "STORAGE =", len(log.Storage))
for h, item := range log.Storage {
fmt.Fprintf(os.Stderr, "%x: %x\n", h, common.LeftPadBytes(item, 32))
}
fmt.Fprintln(os.Stderr)
}
}