Chain Interaction Service

Class: ChainInteractionService

Dependencies: * IMapper: An object mapper for mapping between objects. * DataContext: The data context for accessing the database. * IHttpContextAccessor: An accessor for accessing the HTTP context. * Web3: A library for interacting with Ethereum networks.

Constructor: * Initializes the class and sets the required dependencies. * Sets the connection timeout for the blockchain client. * Initializes the Web3 object with the Infura URL.

Private Methods:

  1. GetUserId()

    • Return Type: int

    • Description: Retrieves the user ID from the HTTP context.

  2. GetUserAddress()

    • Return Type: string

    • Description: Retrieves the user address from the HTTP context.

Methods:

  1. GetRegisterEventLogs():

    • Return Type: Task<ServiceResponse<List<EventLog<ProjectRegisterEventDTO>>>>

    • Description: Retrieves the event logs for project registration from the blockchain.

  2. GetWhiteListInsertEventLogs(string address):
    • Parameters:

      • address: The address for filtering the event logs.

    • Return Type: Task<ServiceResponse<List<EventLog<WhitelistInsertEventDTO>>>>

    • Description: Retrieves the event logs for whitelist insertions from the blockchain.

  3. GetWhiteListRemoveEventLogs(string address):
    • Parameters:

      • address: The address for filtering the event logs.

    • Return Type: Task<ServiceResponse<List<EventLog<WhitelistRemoveEventDTO>>>>

    • Description: Retrieves the event logs for whitelist removals from the blockchain.

  4. GetChainRole(string address):
    • Parameters:

      • address: The address of the user.

    • Return Type: Task<ServiceResponse<string>>

    • Description: Retrieves the chain role of a user based on their address.

  5. GetAuctionFromHash(string projectHash):
    • Parameters:

      • projectHash: The hash of the project.

    • Return Type: Task<ServiceResponse<string>>

    • Description: Retrieves the auction address associated with a project hash.

  6. IsAuctionCreatedInChain(string projectHash):
    • Parameters:

      • projectHash: The hash of the project.

    • Return Type: Task<ServiceResponse<bool>>

    • Description: Checks if an auction is created in the blockchain for a given project hash.

  7. IsAuctionStartedInChain(string projectHash)
    • Parameters:

      • projectHash: The hash of the project.

    • Return Type: Task<ServiceResponse<bool>>

    • Description: Checks if an auction is started in the blockchain for a given project hash.

  8. GetProjectEvaluationEventLogs():

    • Return Type: Task<ServiceResponse<List<EventLog<ProjectEvaluationEventDTO>>>>

    • Description: Retrieves the event logs for project evaluations from the blockchain.