Design Patterns

Actor Virtual Badge Pattern

When we’re writing our blueprints we’ll eventually come to a point where we need to think about how a component can be given authority to perform some kind of action. The user badge pattern(user-bad

Design Patterns

Legacy documentation: Design Patterns

Patterns for Application Deposit Use Cases

A common desire of blockchain applications is to send tokens to users – whether from dApp smart contract or backend system. Maybe you're building a fully featured dApp, maybe you're an exchange, or ma

Reusable Blueprints Pattern

This may be looked at as a best-practice to blueprint developers hoping to benefit from developer royalties, rather than a design pattern. Non the less, this is an important best practice and warrants

The Withdraw Pattern

This pattern builds upon the user badge pattern(user-badge-pattern.md) and could be considered as one of its use cases. The problem which this pattern solves is the problem of getting funds from com

Transient Badge Pattern

The class of problems that this pattern solves is quite simple to describe but complex to think about and solve. However, this pattern solves this class of problems in such a simple, elegant, and uniq

User Badge Pattern

The problem that this pattern solves is the problem of how to tell that somebody is an admin in your system, or more generically, how to tell that a user has the authority to perform a certain action