Imports
- github.com/gogo/protobuf/proto
- github.com/ethereum/go-ethereum/crypto
- github.com/cosmos/cosmos-sdk/crypto/types
- github.com/cosmos/cosmos-sdk/codec
- github.com/tendermint/tendermint/crypto
- github.com/gogo/protobuf/gogoproto
- github.com/cosmos/cosmos-sdk/types/errors
- github.com/ethereum/go-ethereum/crypto/secp256k1