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