2014-04-15 15:16:38 -05:00
|
|
|
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
|
2014-04-23 04:51:04 -05:00
|
|
|
oCALLDATALOAD = 0x35
|
2014-04-15 15:16:38 -05:00
|
|
|
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",
|
2014-04-23 04:51:04 -05:00
|
|
|
oCALLDATALOAD: "CALLDATALOAD",
|
2014-04-15 15:16:38 -05:00
|
|
|
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,
|
2014-04-23 04:51:04 -05:00
|
|
|
"CALLDATALOAD": 0x35,
|
2014-04-15 15:16:38 -05:00
|
|
|
"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
|
|
|
|
|
}
|
