mirror of https://github.com/status-im/op-geth.git
Samples and disams cmd for evm code
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obscuren
parent
84adf77bf3
commit
ddf17d93ac
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@ -0,0 +1,34 @@
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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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@ -20,11 +20,10 @@
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}]
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}];
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var address = web3.eth.transact({
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data: "0x603880600c6000396000f3006001600060e060020a600035048063c6888fa114601857005b6021600435602b565b8060005260206000f35b6000816007029050",
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data: "0x603880600c6000396000f3006001600060e060020a600035048063c6888fa114601857005b6021600435602b565b8060005260206000f35b600081600702905091905056",
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gasprice: "1000000000000000",
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gas: "10000",
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});
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console.log("created contract with addr:"+ address);
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var contract = web3.eth.contract(address, desc);
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function calculate() {
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@ -36,9 +35,21 @@
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</script>
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</head>
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<body>
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<h3>Contract content</h3>
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<textarea style="height:100px; width: 300px;" disabled="disabled">
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contract test {
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function multiply(uint a) returns(uint d) {
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return a * 7;
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}
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}
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</textarea>
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<code><pre>
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603880600c6000396000f3006001600060e060020a600035048063c6888fa1140
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05b6021600435602b565b8060005260206000f35b600081600702905091905056</pre></code>
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<div><input type="number" id="value" onkeyup='calculate()'></input></div>
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<div id="result"></div>
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<hr>
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<div>7 x <input type="number" id="value" onkeyup='calculate()'></input> =
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<span id="result"></spa>
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</body>
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</html>
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@ -0,0 +1,40 @@
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<!doctype>
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<html>
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<head>
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<script src="../ext/bignumber.min.js"></script>
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<script src="../ext/ethereum.js/dist/ethereum.js"></script>
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<script type="text/javascript">
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var web3 = require('web3');
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web3.setProvider(new web3.providers.HttpSyncProvider('http://localhost:8080'));
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function watchBalance() {
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var coinbase = web3.eth.coinbase;
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var originalBalance = 0;
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var balance = web3.eth.balanceAt(coinbase);
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var originalBalance = web3.toDecimal(balance);
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document.getElementById('original').innerText = 'original balance: ' + originalBalance + ' watching...';
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web3.eth.watch({altered: coinbase}).changed(function() {
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balance = web3.eth.balanceAt(coinbase)
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var currentBalance = web3.toDecimal(balance);
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document.getElementById("current").innerText = 'current: ' + currentBalance;
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document.getElementById("diff").innerText = 'diff: ' + (currentBalance - originalBalance);
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});
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}
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</script>
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</head>
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<body>
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<h1>coinbase balance</h1>
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<button type="button" onClick="watchBalance();">watch balance</button>
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<div></div>
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<div id="original"></div>
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<div id="current"></div>
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<div id="diff"></div>
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</body>
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</html>
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@ -35,6 +35,19 @@ import (
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"github.com/ethereum/go-ethereum/xeth"
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)
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func toHex(b []byte) string {
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return "0x" + ethutil.Bytes2Hex(b)
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}
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func fromHex(s string) []byte {
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if len(s) > 1 {
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if s[0:2] == "0x" {
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s = s[2:]
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}
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return ethutil.Hex2Bytes(s)
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}
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return nil
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}
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type RpcServer interface {
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Start()
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Stop()
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@ -163,7 +176,7 @@ func (p *EthereumApi) GetCodeAt(args *GetCodeAtArgs, reply *interface{}) error {
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}
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func (p *EthereumApi) Sha3(args *Sha3Args, reply *interface{}) error {
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*reply = ethutil.Bytes2Hex(crypto.Sha3(ethutil.Hex2Bytes(args.Data)))
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*reply = toHex(crypto.Sha3(fromHex(args.Data)))
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return nil
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}
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