Assumptions

• Funds: You cannot send funds with the messages.

• Bridging: We are assuming that messages can be sent and confirmed bidirectionally between domains. The Authorization contract on the main domain communicates with the processor in a different domain in one direction and the callback confirming the correct or failed execution in the other direction.

• Instantiation: All these contracts can be instantiated beforehand and off-chain having predictable addresses. Here is an example instantiation flow using Polytone:

  • Predict authorization contract address.
  • Instantiate polytone contracts & set up relayers.
  • Predict proxy contract address for the authorization contract on each external domain.
  • Predict proxy contract address on the main domain for each processor on external domains.
  • Instantiate all processors. The sender on external domains will be the predicted proxy and on the main domain it will be the Authorization contract iself.
  • Instantiate Authorization contract with all the processors and their predicted proxies for external domains and the processor on the main domain.

• Relaying: Relayers will be running once everything is instantiated.

• Tokenfactory: The main domain has the token factory module with no token creation fee so that we can create and mint these nonfungible tokens with no additional cost.

• Domains: In the current version, actions in each authorization will be limited to a single domain.