TwtRegistry.sol

This contract is used to register a new user with a tweeter account. Figure 9.9 summarizes the functions available in this registry contract:

Figure 9.9: TwtRegistry contract summary

Similar to an account contract, TwtRegistry() is a constructor function, and different variables and mappings have been used to see the number of users, force them to use a newer version of registration updates, and administrate accounts using bool _registrationDisabled as shown in Figure 9.10:

Figure 9.10: Constructor, variables, and mapping

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