core/vm: implement REVERT metropolis opcode

core/vm/opcodes.go

@@ -204,6 +204,7 @@ const (
 	DELEGATECALL
 	STATICCALL = 0xfa
 
+	REVERT       = 0xfd
 	SELFDESTRUCT = 0xff
 )
 
@@ -360,6 +361,7 @@ var opCodeToString = map[OpCode]string{
 	CALLCODE:     "CALLCODE",
 	DELEGATECALL: "DELEGATECALL",
 	STATICCALL:   "STATICCALL",
+	REVERT:       "REVERT",
 	SELFDESTRUCT: "SELFDESTRUCT",
 
 	PUSH: "PUSH",
@@ -509,6 +511,7 @@ var stringToOp = map[string]OpCode{
 	"CALL":           CALL,
 	"RETURN":         RETURN,
 	"CALLCODE":       CALLCODE,
+	"REVERT":         REVERT,
 	"SELFDESTRUCT":   SELFDESTRUCT,
 }