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authorobscuren <geffobscura@gmail.com>2015-01-29 21:46:59 +0800
committerobscuren <geffobscura@gmail.com>2015-01-29 21:46:59 +0800
commitddf17d93acf92ef18b0134f19f22220362e06bad (patch)
tree1e506bd62ba922f915f9fef2cb90b5f7d710afb5
parent84adf77bf3492351de82f0ec820a1d280e85a5cd (diff)
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Samples and disams cmd for evm code
-rw-r--r--cmd/disasm/main.go34
-rw-r--r--cmd/mist/assets/examples/abi.html (renamed from cmd/mist/assets/examples/test.html)19
-rw-r--r--cmd/mist/assets/examples/balance.html40
-rw-r--r--rpc/packages.go15
4 files changed, 103 insertions, 5 deletions
diff --git a/cmd/disasm/main.go b/cmd/disasm/main.go
new file mode 100644
index 000000000..c07246b00
--- /dev/null
+++ b/cmd/disasm/main.go
@@ -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()
+ }
+}
diff --git a/cmd/mist/assets/examples/test.html b/cmd/mist/assets/examples/abi.html
index cfc010971..8d172482c 100644
--- a/cmd/mist/assets/examples/test.html
+++ b/cmd/mist/assets/examples/abi.html
@@ -20,11 +20,10 @@
}]
}];
var address = web3.eth.transact({
- data: "0x603880600c6000396000f3006001600060e060020a600035048063c6888fa114601857005b6021600435602b565b8060005260206000f35b6000816007029050",
+ data: "0x603880600c6000396000f3006001600060e060020a600035048063c6888fa114601857005b6021600435602b565b8060005260206000f35b600081600702905091905056",
gasprice: "1000000000000000",
gas: "10000",
});
- console.log("created contract with addr:"+ address);
var contract = web3.eth.contract(address, desc);
function calculate() {
@@ -36,9 +35,21 @@
</script>
</head>
<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>
-<div id="result"></div>
+<hr>
+<div>7 x <input type="number" id="value" onkeyup='calculate()'></input> =
+<span id="result"></spa>
</body>
</html>
diff --git a/cmd/mist/assets/examples/balance.html b/cmd/mist/assets/examples/balance.html
new file mode 100644
index 000000000..bc483a879
--- /dev/null
+++ b/cmd/mist/assets/examples/balance.html
@@ -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>
+
+
diff --git a/rpc/packages.go b/rpc/packages.go
index 4302f6018..b25660b25 100644
--- a/rpc/packages.go
+++ b/rpc/packages.go
@@ -35,6 +35,19 @@ import (
"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 {
Start()
Stop()
@@ -163,7 +176,7 @@ func (p *EthereumApi) GetCodeAt(args *GetCodeAtArgs, 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
}