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Samples and disams cmd for evm code

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pull/272/merge
obscuren 10 years ago
parent 84adf77bf3
commit ddf17d93ac
4 changed files with 103 additions and 5 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 34
      cmd/disasm/main.go
  2. 19
      cmd/mist/assets/examples/abi.html
  3. 40
      cmd/mist/assets/examples/balance.html
  4. 15
      rpc/packages.go

34
cmd/disasm/main.go
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@ -0,0 +1,34 @@
package main
import (
"fmt"
"io/ioutil"
"os"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/vm"
)
func main() {
code, err := ioutil.ReadAll(os.Stdin)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
code = ethutil.Hex2Bytes(string(code[:len(code)-1]))
fmt.Printf("%x\n", code)
for pc := uint64(0); pc < uint64(len(code)); pc++ {
op := vm.OpCode(code[pc])
fmt.Printf("%-5d %v", pc, op)
switch op {
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:
a := uint64(op) - uint64(vm.PUSH1) + 1
fmt.Printf(" => %x", code[pc+1:pc+1+a])
pc += a
}
fmt.Println()
}
}

19
cmd/mist/assets/examples/test.html → cmd/mist/assets/examples/abi.html
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@ -20,11 +20,10 @@
}] }]
}]; }];
var address = web3.eth.transact({ var address = web3.eth.transact({
data: "0x603880600c6000396000f3006001600060e060020a600035048063c6888fa114601857005b6021600435602b565b8060005260206000f35b6000816007029050", data: "0x603880600c6000396000f3006001600060e060020a600035048063c6888fa114601857005b6021600435602b565b8060005260206000f35b600081600702905091905056",
gasprice: "1000000000000000", gasprice: "1000000000000000",
gas: "10000", gas: "10000",
}); });
console.log("created contract with addr:"+ address);
var contract = web3.eth.contract(address, desc); var contract = web3.eth.contract(address, desc);
function calculate() { function calculate() {
@ -36,9 +35,21 @@
</script> </script>
</head> </head>
<body> <body>
<h3>Contract content</h3>
<textarea style="height:100px; width: 300px;" disabled="disabled">
contract test {
function multiply(uint a) returns(uint d) {
return a * 7;
}
}
</textarea>
<code><pre>
603880600c6000396000f3006001600060e060020a600035048063c6888fa1140
05b6021600435602b565b8060005260206000f35b600081600702905091905056</pre></code>
<div><input type="number" id="value" onkeyup='calculate()'></input></div> <hr>
<div id="result"></div> <div>7 x <input type="number" id="value" onkeyup='calculate()'></input> =
<span id="result"></spa>
</body> </body>
</html> </html>

40
cmd/mist/assets/examples/balance.html
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@ -0,0 +1,40 @@
<!doctype>
<html>
<head>
<script src="../ext/bignumber.min.js"></script>
<script src="../ext/ethereum.js/dist/ethereum.js"></script>
<script type="text/javascript">
var web3 = require('web3');
web3.setProvider(new web3.providers.HttpSyncProvider('http://localhost:8080'));
function watchBalance() {
var coinbase = web3.eth.coinbase;
var originalBalance = 0;
var balance = web3.eth.balanceAt(coinbase);
var originalBalance = web3.toDecimal(balance);
document.getElementById('original').innerText = 'original balance: ' + originalBalance + ' watching...';
web3.eth.watch({altered: coinbase}).changed(function() {
balance = web3.eth.balanceAt(coinbase)
var currentBalance = web3.toDecimal(balance);
document.getElementById("current").innerText = 'current: ' + currentBalance;
document.getElementById("diff").innerText = 'diff: ' + (currentBalance - originalBalance);
});
}
</script>
</head>
<body>
<h1>coinbase balance</h1>
<button type="button" onClick="watchBalance();">watch balance</button>
<div></div>
<div id="original"></div>
<div id="current"></div>
<div id="diff"></div>
</body>
</html>

15
rpc/packages.go
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@ -35,6 +35,19 @@ import (
"github.com/ethereum/go-ethereum/xeth" "github.com/ethereum/go-ethereum/xeth"
) )
func toHex(b []byte) string {
return "0x" + ethutil.Bytes2Hex(b)
}
func fromHex(s string) []byte {
if len(s) > 1 {
if s[0:2] == "0x" {
s = s[2:]
}
return ethutil.Hex2Bytes(s)
}
return nil
}
type RpcServer interface { type RpcServer interface {
Start() Start()
Stop() Stop()
@ -163,7 +176,7 @@ func (p *EthereumApi) GetCodeAt(args *GetCodeAtArgs, reply *interface{}) error {
} }
func (p *EthereumApi) Sha3(args *Sha3Args, reply *interface{}) error { func (p *EthereumApi) Sha3(args *Sha3Args, reply *interface{}) error {
*reply = ethutil.Bytes2Hex(crypto.Sha3(ethutil.Hex2Bytes(args.Data))) *reply = toHex(crypto.Sha3(fromHex(args.Data)))
return nil return nil
} }

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