# sg-marketplace-common The `sg-marketplace-common` common package is used to manage functionality shared between marketplace contracts. The package is divided into the following modules: - `mod address`: functionality related to the `cosmwasm_std::Addr` type - `mod coin`: functionality related to the `cosmwasm_std::Coin` type - `mod nft`: functionality related to NFT data - `mod query`: functionality related to querying smart contracts - `mod sale`: functionality related to NFT sales