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EIP-2535 Diamond

The Beanstalk contract is a Diamond – a multi-facet proxy defined in EIP-2535 that can implement functionality from numerous different Facet contracts.
All the Facets share a common storage through the AppStorage pattern. Functionality is shared between Facets through internal Libraries.
Understanding EIP-2535 really helps to understand Beanstalk. This page serves as a resource hub for EIP-2535.

What is a Diamond?

Implementation Tips for Diamonds (which Beanstalk uses)

Why use a Diamond?

More Information on Diamonds