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Removed all old code

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obscuren 2014-02-21 12:36:41 +01:00
parent f2a1260294
commit b20c0b1d59
1 changed files with 69 additions and 76 deletions
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145
ethutil/parsing.go
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@ -1,95 +1,88 @@
package ethutil
import (
"errors"
"fmt"
"math/big"
"strconv"
"strings"
)
// Op codes
var OpCodes = map[string]string{
"STOP": "0",
"ADD": "1",
"MUL": "2",
"SUB": "3",
"DIV": "4",
"SDIV": "5",
"MOD": "6",
"SMOD": "7",
"EXP": "8",
"NEG": "9",
"LT": "10",
"LE": "11",
"GT": "12",
"GE": "13",
"EQ": "14",
"NOT": "15",
"MYADDRESS": "16",
"TXSENDER": "17",
"PUSH": "48",
"POP": "49",
"LOAD": "54",
var OpCodes = map[string]byte{
"STOP": 0,
"ADD": 1,
"MUL": 2,
"SUB": 3,
"DIV": 4,
"SDIV": 5,
"MOD": 6,
"SMOD": 7,
"EXP": 8,
"NEG": 9,
"LT": 10,
"LE": 11,
"GT": 12,
"GE": 13,
"EQ": 14,
"NOT": 15,
"MYADDRESS": 16,
"TXSENDER": 17,
"TXVALUE": 18,
"TXFEE": 19,
"TXDATAN": 20,
"TXDATA": 21,
"BLK_PREVHASH": 22,
"BLK_COINBASE": 23,
"BLK_TIMESTAMP": 24,
"BLK_NUMBER": 25,
"BLK_DIFFICULTY": 26,
"BASEFEE": 27,
"SHA256": 32,
"RIPEMD160": 33,
"ECMUL": 34,
"ECADD": 35,
"ECSIGN": 36,
"ECRECOVER": 37,
"ECVALID": 38,
"SHA3": 39,
"PUSH": 48,
"POP": 49,
"DUP": 50,
"SWAP": 51,
"MLOAD": 52,
"MSTORE": 53,
"SLOAD": 54,
"SSTORE": 55,
"JMP": 56,
"JMPI": 57,
"IND": 58,
"EXTRO": 59,
"BALANCE": 60,
"MKTX": 61,
"SUICIDE": 62,
}
func CompileInstr(s string) (string, error) {
tokens := strings.Split(s, " ")
if OpCodes[tokens[0]] == "" {
return s, errors.New(fmt.Sprintf("OP not found: %s", tokens[0]))
func IsOpCode(s string) bool {
for key, _ := range OpCodes {
if key == s {
return true
}
}
return false
}
func CompileInstr(s string) ([]byte, error) {
isOp := IsOpCode(s)
if isOp {
return []byte{OpCodes[s]}, nil
}
code := OpCodes[tokens[0]] // Replace op codes with the proper numerical equivalent
op := new(big.Int)
op.SetString(code, 0)
num := new(big.Int)
num.SetString(s, 0)
args := make([]*big.Int, 6)
for i, val := range tokens[1:len(tokens)] {
num := new(big.Int)
num.SetString(val, 0)
args[i] = num
}
// Big int equation = op + x * 256 + y * 256**2 + z * 256**3 + a * 256**4 + b * 256**5 + c * 256**6
base := new(big.Int)
x := new(big.Int)
y := new(big.Int)
z := new(big.Int)
a := new(big.Int)
b := new(big.Int)
c := new(big.Int)
if args[0] != nil {
x.Mul(args[0], big.NewInt(256))
}
if args[1] != nil {
y.Mul(args[1], BigPow(256, 2))
}
if args[2] != nil {
z.Mul(args[2], BigPow(256, 3))
}
if args[3] != nil {
a.Mul(args[3], BigPow(256, 4))
}
if args[4] != nil {
b.Mul(args[4], BigPow(256, 5))
}
if args[5] != nil {
c.Mul(args[5], BigPow(256, 6))
}
base.Add(op, x)
base.Add(base, y)
base.Add(base, z)
base.Add(base, a)
base.Add(base, b)
base.Add(base, c)
return base.String(), nil
return num.Bytes(), nil
}
func Instr(instr string) (int, []string, error) {
base := new(big.Int)
base.SetString(instr, 0)