SignatureMintERC1155 smart contract is an extension meant for distributing ERC1155 tokens.
The 'signature minting' mechanism in the
SignatureMintERC1155 extension uses EIP-712, and is a way for a contract admin to authorize an external party's request to mint tokens on the admin's contract. At a high level, this means you can authorize some external party to mint tokens on your contract, and specify what exactly will be minted by that external party.
SignatureMintERC1155 extension is an abstract contract, and expects you to implement the following functions by yourself:
This is an example smart contract demonstrating how to inherit from this extension and override the functions to add (optional) custom functionality.