New acts as the default constructor for the application.

NewmockExchangeClient creates a new mock instance.

NewmockIDGenerator creates a new mock instance.

WithIDGenerator overrides the internal ID generator of the app.

App represents the encapsulation of the application state.

Config acts as an encapsulation of the application configuration.

ExchangeClient represents a type that is able to communicate with an exchange.

Option allows for overriding of the internals of the application.