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Design patterns used

Access Control Design Patterns

  • Ownable design pattern used in the following functions: StartCommitStage(), StartRevealStage() and CloseAuction(). These functions do not need to be used by anyone else apart from the contract creator (Auction Owner). Only the owner has the right to change the stage of an auction.

  • The following functions are restricted based on the stage of the auction

    • CommitNewBid() can only be called when the auction is in commit stage.
    • RevealCommittedBid() can only be called when the auction is in reveal stage.

Inheritence and Interfaces

  • The SecretAuction contract inherits from Open Zeppelin Ownable.sol

Factory Design Pattern

  • Individual SecretAuction contracts be deployed by using the AuctionFactory contract.

Commit Reveal Design Pattern

  • The contract uses a commit-reveal design pattern to keep the commited bids secret until they are finally revealed