1.2 KiB
IBC Specification
IBC(Inter-Blockchain Communication) protocol is used by multiple zones on Cosmos. Using IBC, the zones can send coins or arbitrary data to other zones.
Terms
How IBC module treats incoming IBC packets is simillar with how BaseApp treats incoming transactions. Therefore, the components of IBC module have their corresponding pair in BaseApp.
| BaseApp Terms | IBC Terms |
|---|---|
| Router | Dispatcher |
| Tx | Packet |
| Msg | Payload |
MVP Specifications
MVP1
MVP1 will contain the basic functionalities, including packet generation and packet receivement. There will be no security check for incoming packets.
MVP2
IBC module will be more modular in MVP2. Indivisual modules can register custom handlers to IBC module.
MVP3
Light client verification is added to verify the message from the other chain. Registering chains with their ROT(Root Of Trust) is needed.
MVP4
ACK verification / timeout handler helper functions and messaging queue are implemented to make it failsafe. Callbacks will be registered to the dispatcher to handle failure when they register handlers.