Hello, trinity team. Thanks for you work!
I have a question - is it possible to obtain opcodes collector, that you use to collect opcodes from client?
No, that tool is private.
ah ah ah ah nice try bro 
Its ok, thanks for answer.
Do you mean the sniffer?
Nope. I mean tool that extract opcodes from game .exe and generate at output something like:
{Opcode.CMSG_ACCEPT_GUILD_INVITE, 0x35F9},
{Opcode.CMSG_ACCEPT_LEVEL_GRANT, 0x34F1},
{Opcode.CMSG_ACCEPT_TRADE, 0x315A},
{Opcode.CMSG_ACCEPT_WARGAME_INVITE, 0x35E0},
{Opcode.CMSG_ACTIVATE_TAXI, 0x34AE},
{Opcode.CMSG_ADDON_LIST, 0x35D8},
{Opcode.CMSG_ADD_BATTLENET_FRIEND, 0x365D},
{Opcode.CMSG_ADD_FRIEND, 0x36D2},
{Opcode.CMSG_ADD_IGNORE, 0x36D6},
{Opcode.CMSG_ADD_TOY, 0x3275},