cannot use (*Observer)(nil) (value of type *Observer) as "github.com/zeta-chain/node/zetaclient/chains/interfaces".ChainObserver value in variable declaration: *Observer does not implement "github.com/zeta-chain/node/zetaclient/chains/interfaces".ChainObserver (missing method Stop) (typecheck)

ob.logger.Inbound undefined (type Logger has no field or method Inbound) (typecheck)

ob.logger.Inbound undefined (type Logger has no field or method Inbound) (typecheck)

ob.logger.Inbound undefined (type Logger has no field or method Inbound) (typecheck)

ob.Chain undefined (type *Observer has no field or method Chain) (typecheck)

ob.StopChannel undefined (type *Observer has no field or method StopChannel) (typecheck)

ob.ZetacoreClient undefined (type *Observer has no field or method ZetacoreClient) (typecheck)

ob.LastBlock undefined (type *Observer has no field or method LastBlock) (typecheck)

ob.LastBlock undefined (type *Observer has no field or method LastBlock) (typecheck)