Example #1
0
func DeserializeMessages(msgs []byte) []*BitMessage {
	iterator := 0
	var vec []*BitMessage
	for len(msgs[iterator:]) >= 20 {
		msgtype := MessageType(msgs[iterator+4 : iterator+16])

		Payloadbyte := msgs[iterator+16 : iterator+20]
		Payload := int(mymath.HexRev2Big(Payloadbyte).Int64())

		if msgtype == VERSION || msgtype == VERACK {
			vec = append(vec, DecodeMessage(msgs[iterator:iterator+20+Payload]))
			iterator = iterator + 20 + Payload
		} else {
			vec = append(vec, DecodeMessage(msgs[iterator:iterator+24+Payload]))
			iterator = iterator + 24 + Payload
		}
	}
	/*answer:=make([]BitMessage, vec.Len())

	for i:=0;i<vec.Len();i++{
		answer[i]=vec.At(i).(BitMessage)
	}*/

	return vec
}
Example #2
0
func DecodeMessage(msg []byte) *BitMessage {
	bm := new(BitMessage)

	if len(msg) < 20 {
		return nil
	}
	for i := 0; i < 4; i++ {
		bm.Magic[i] = msg[0+i]
		bm.Length[i] = msg[16+i]
	}
	for i := 0; i < 12; i++ {
		bm.Command[i] = msg[4+i]
	}

	msgtype := MessageType(msg[4:16])

	Payloadbyte := msg[16:20]
	Payload := int(mymath.HexRev2Big(Payloadbyte).Int64())

	if msgtype == VERSION || msgtype == VERACK {
		bm.Payload = nil
		if len(msg) < 20+Payload {
			return nil
		} else {
			if msgtype == VERSION {
				bm.SetPayloadByte(msg[20 : 20+Payload])
			} else if msgtype == VERACK {
			}
		}

	} else {
		if len(msg) < 24+Payload {
			return nil
		} else {
			for i := 0; i < 4; i++ {
				bm.Checksum[i] = msg[20+i]
			}
			bm.SetPayloadByte(msg[24 : 24+Payload])
		}
	}

	return bm
}