2015-06-10 17:56:40 +00:00
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package vm
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2015-06-10 10:23:49 +00:00
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import (
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"fmt"
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"os"
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2015-06-12 09:18:17 +00:00
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"unicode"
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2015-06-10 10:23:49 +00:00
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"github.com/ethereum/go-ethereum/common"
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)
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2015-06-10 17:56:40 +00:00
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func StdErrFormat(logs []StructLog) {
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2015-06-10 10:23:49 +00:00
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fmt.Fprintf(os.Stderr, "VM Stats %d ops\n", len(logs))
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for _, log := range logs {
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2015-06-10 17:56:40 +00:00
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fmt.Fprintf(os.Stderr, "PC %08d: %s GAS: %v COST: %v\n", log.Pc, log.Op, log.Gas, log.GasCost)
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2015-06-10 10:23:49 +00:00
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fmt.Fprintln(os.Stderr, "STACK =", len(log.Stack))
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2015-06-10 19:08:54 +00:00
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for i := len(log.Stack) - 1; i >= 0; i-- {
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fmt.Fprintf(os.Stderr, "%04d: %x\n", len(log.Stack)-i-1, common.LeftPadBytes(log.Stack[i].Bytes(), 32))
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2015-06-10 10:23:49 +00:00
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}
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const maxMem = 10
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addr := 0
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fmt.Fprintln(os.Stderr, "MEM =", len(log.Memory))
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for i := 0; i+16 <= len(log.Memory) && addr < maxMem; i += 16 {
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data := log.Memory[i : i+16]
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str := fmt.Sprintf("%04d: % x ", addr*16, data)
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for _, r := range data {
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if r == 0 {
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str += "."
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2015-06-12 09:18:17 +00:00
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} else if unicode.IsPrint(rune(r)) {
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2015-06-10 10:23:49 +00:00
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str += fmt.Sprintf("%s", string(r))
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} else {
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str += "?"
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}
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}
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addr++
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fmt.Fprintln(os.Stderr, str)
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}
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2015-06-10 10:57:37 +00:00
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fmt.Fprintln(os.Stderr, "STORAGE =", len(log.Storage))
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for h, item := range log.Storage {
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fmt.Fprintf(os.Stderr, "%x: %x\n", h, common.LeftPadBytes(item, 32))
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}
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2015-06-10 17:56:40 +00:00
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fmt.Fprintln(os.Stderr)
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2015-06-10 10:23:49 +00:00
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}
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}
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