mirror of https://github.com/poanetwork/quorum.git
102 lines
1.9 KiB
Go
102 lines
1.9 KiB
Go
package ethutil
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import (
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"math/big"
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"strconv"
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)
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// Op codes
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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 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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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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num := new(big.Int)
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num.SetString(s, 0)
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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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args := make([]string, 7)
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for i := 0; i < 7; i++ {
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// int(int(val) / int(math.Pow(256,float64(i)))) % 256
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exp := BigPow(256, i)
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num := new(big.Int)
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num.Div(base, exp)
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args[i] = num.Mod(num, big.NewInt(256)).String()
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}
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op, _ := strconv.Atoi(args[0])
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return op, args[1:7], nil
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}
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