Imports
- github.com/ChainSafe/chainbridge-substrate-events
- github.com/ChainSafe/chainbridge-utils/msg
- github.com/ChainSafe/log15
- github.com/centrifuge/go-substrate-rpc-client
- github.com/centrifuge/go-substrate-rpc-client/signature
- github.com/centrifuge/go-substrate-rpc-client/types