cannot use &MockProvider{…} (value of type *MockProvider) as provider.ChainProvider value in return statement: *MockProvider does not implement provider.ChainProvider (missing method ClaimFee)

cannot use p.PCfg (variable of type *MockProviderConfig) as provider.Config value in return statement: *MockProviderConfig does not implement provider.Config (missing method Enabled)

cannot use types.TxResponse{…} (value of type "github.com/icon-project/centralized-relay/relayer/types".TxResponse) as *"github.com/icon-project/centralized-relay/relayer/types".TxResponse value in argument to callback