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package ethchain
type OpCode int
// Op codes
const (
// 0x0 range - arithmetic ops
oSTOP = 0x00
oADD = 0x01
oMUL = 0x02
oSUB = 0x03
oDIV = 0x04
oSDIV = 0x05
oMOD = 0x06
oSMOD = 0x07
oEXP = 0x08
oNEG = 0x09
oLT = 0x0a
oGT = 0x0b
oEQ = 0x0c
oNOT = 0x0d
// 0x10 range - bit ops
oAND = 0x10
oOR = 0x11
oXOR = 0x12
oBYTE = 0x13
// 0x20 range - crypto
oSHA3 = 0x20
// 0x30 range - closure state
oADDRESS = 0x30
oBALANCE = 0x31
oORIGIN = 0x32
oCALLER = 0x33
oCALLVALUE = 0x34
oCALLDATALOAD = 0x35
oCALLDATASIZE = 0x36
oGASPRICE = 0x37
// 0x40 range - block operations
oPREVHASH = 0x40
oCOINBASE = 0x41
oTIMESTAMP = 0x42
oNUMBER = 0x43
oDIFFICULTY = 0x44
oGASLIMIT = 0x45
// 0x50 range - 'storage' and execution
oPUSH = 0x50
oPUSH20 = 0x80
oPOP = 0x51
oDUP = 0x52
oSWAP = 0x53
oMLOAD = 0x54
oMSTORE = 0x55
oMSTORE8 = 0x56
oSLOAD = 0x57
oSSTORE = 0x58
oJUMP = 0x59
oJUMPI = 0x5a
oPC = 0x5b
oMSIZE = 0x5c
// 0x60 range - closures
oCREATE = 0x60
oCALL = 0x61
oRETURN = 0x62
// 0x70 range - other
oLOG = 0x70 // XXX Unofficial
oSUICIDE = 0x7f
)
// Since the opcodes aren't all in order we can't use a regular slice
var opCodeToString = map[OpCode]string{
// 0x0 range - arithmetic ops
oSTOP: "STOP",
oADD: "ADD",
oMUL: "MUL",
oSUB: "SUB",
oDIV: "DIV",
oSDIV: "SDIV",
oMOD: "MOD",
oSMOD: "SMOD",
oEXP: "EXP",
oNEG: "NEG",
oLT: "LT",
oGT: "GT",
oEQ: "EQ",
oNOT: "NOT",
// 0x10 range - bit ops
oAND: "AND",
oOR: "OR",
oXOR: "XOR",
oBYTE: "BYTE",
// 0x20 range - crypto
oSHA3: "SHA3",
// 0x30 range - closure state
oADDRESS: "ADDRESS",
oBALANCE: "BALANCE",
oORIGIN: "ORIGIN",
oCALLER: "CALLER",
oCALLVALUE: "CALLVALUE",
oCALLDATALOAD: "CALLDATALOAD",
oCALLDATASIZE: "CALLDATASIZE",
oGASPRICE: "TXGASPRICE",
// 0x40 range - block operations
oPREVHASH: "PREVHASH",
oCOINBASE: "COINBASE",
oTIMESTAMP: "TIMESTAMP",
oNUMBER: "NUMBER",
oDIFFICULTY: "DIFFICULTY",
oGASLIMIT: "GASLIMIT",
// 0x50 range - 'storage' and execution
oPUSH: "PUSH",
oPOP: "POP",
oDUP: "DUP",
oSWAP: "SWAP",
oMLOAD: "MLOAD",
oMSTORE: "MSTORE",
oMSTORE8: "MSTORE8",
oSLOAD: "SLOAD",
oSSTORE: "SSTORE",
oJUMP: "JUMP",
oJUMPI: "JUMPI",
oPC: "PC",
oMSIZE: "MSIZE",
// 0x60 range - closures
oCREATE: "CREATE",
oCALL: "CALL",
oRETURN: "RETURN",
// 0x70 range - other
oLOG: "LOG",
oSUICIDE: "SUICIDE",
}
func (o OpCode) String() string {
return opCodeToString[o]
}
// Op codes for assembling
var OpCodes = map[string]byte{
// 0x0 range - arithmetic ops
"STOP": 0x00,
"ADD": 0x01,
"MUL": 0x02,
"SUB": 0x03,
"DIV": 0x04,
"SDIV": 0x05,
"MOD": 0x06,
"SMOD": 0x07,
"EXP": 0x08,
"NEG": 0x09,
"LT": 0x0a,
"GT": 0x0b,
"EQ": 0x0c,
"NOT": 0x0d,
// 0x10 range - bit ops
"AND": 0x10,
"OR": 0x11,
"XOR": 0x12,
"BYTE": 0x13,
// 0x20 range - crypto
"SHA3": 0x20,
// 0x30 range - closure state
"ADDRESS": 0x30,
"BALANCE": 0x31,
"ORIGIN": 0x32,
"CALLER": 0x33,
"CALLVALUE": 0x34,
"CALLDATALOAD": 0x35,
"CALLDATASIZE": 0x36,
"GASPRICE": 0x38,
// 0x40 range - block operations
"PREVHASH": 0x40,
"COINBASE": 0x41,
"TIMESTAMP": 0x42,
"NUMBER": 0x43,
"DIFFICULTY": 0x44,
"GASLIMIT": 0x45,
// 0x50 range - 'storage' and execution
"PUSH": 0x50,
"PUSH20": 0x80,
"POP": 0x51,
"DUP": 0x52,
"SWAP": 0x53,
"MLOAD": 0x54,
"MSTORE": 0x55,
"MSTORE8": 0x56,
"SLOAD": 0x57,
"SSTORE": 0x58,
"JUMP": 0x59,
"JUMPI": 0x5a,
"PC": 0x5b,
"MSIZE": 0x5c,
// 0x60 range - closures
"CREATE": 0x60,
"CALL": 0x61,
"RETURN": 0x62,
// 0x70 range - other
"LOG": 0x70,
"SUICIDE": 0x7f,
}
func IsOpCode(s string) bool {
for key, _ := range OpCodes {
if key == s {
return true
}
}
return false
}
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