Merge pull request #3 from ethereum/develop

Update to develop

1 files changed, 34 insertions, 0 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()
+	}
+}