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Concept guide

Explanations, reading order, and protocol context.

Long-form reading

Subscribers

This page describes subscribers in the current FewToken + Uniswap v4 integration environment. It should be read as integration guidance, not as documentation for a separate native v4 AMM.

Subscribers in this v4 integration stack allow liquidity-position owners to opt in to a contract that receives notifications. The design can support external accounting for in-range liquidity positions. Through notification logic, position owners do not need to risk their liquidity position and its underlying assets. Older opt-in designs often required fully transferring the liquidity position to an external contract; that pattern would give the external contract full ownership and control of the liquidity position.

When a position owner subscribes to a contract, the contract will receive notifcations when:

  • The position is initially subscribed

  • The position increases or decreases its liquidity

  • The position is transferred

  • The position is unsubscribed

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