forked from mirror/go-ethereum
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35 lines
922 B
35 lines
922 B
10 years ago
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package main
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import (
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"fmt"
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"io/ioutil"
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"os"
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"github.com/ethereum/go-ethereum/ethutil"
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"github.com/ethereum/go-ethereum/vm"
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)
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func main() {
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code, err := ioutil.ReadAll(os.Stdin)
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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code = ethutil.Hex2Bytes(string(code[:len(code)-1]))
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fmt.Printf("%x\n", code)
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for pc := uint64(0); pc < uint64(len(code)); pc++ {
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op := vm.OpCode(code[pc])
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fmt.Printf("%-5d %v", pc, op)
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switch op {
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case vm.PUSH1, vm.PUSH2, vm.PUSH3, vm.PUSH4, vm.PUSH5, vm.PUSH6, vm.PUSH7, vm.PUSH8, vm.PUSH9, vm.PUSH10, vm.PUSH11, vm.PUSH12, vm.PUSH13, vm.PUSH14, vm.PUSH15, vm.PUSH16, vm.PUSH17, vm.PUSH18, vm.PUSH19, vm.PUSH20, vm.PUSH21, vm.PUSH22, vm.PUSH23, vm.PUSH24, vm.PUSH25, vm.PUSH26, vm.PUSH27, vm.PUSH28, vm.PUSH29, vm.PUSH30, vm.PUSH31, vm.PUSH32:
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a := uint64(op) - uint64(vm.PUSH1) + 1
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fmt.Printf(" => %x", code[pc+1:pc+1+a])
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pc += a
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}
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fmt.Println()
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}
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}
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