Error return value of `bi.SetupDefaults` is not checked (errcheck)

Error return value of `bi.API.Endpoints.SetDefaultEndpoints` is not checked (errcheck)

string `-FUTURES` has 37 occurrences, make it a constant (goconst)

string `****@virtual-bitget.com` has 6 occurrences, make it a constant (goconst)

commentedOutCode: may want to remove commented-out code (gocritic)

paramTypeCombine: func(ctx context.Context, c currency.Code, _ string, chain string) (*deposit.Address, error) could be replaced with func(ctx context.Context, c currency.Code, _, chain string) (*deposit.Address, error) (gocritic)

commentedOutCode: may want to remove commented-out code (gocritic)

append to slice `funHist` with non-zero initialized length (makezero)

append to slice `pairs` with non-zero initialized length (makezero)