Feed Registry

On-chain feed registry that maps asset pairs to their oracle feed addresses. Supports versioned feed updates, admin governance, and efficient pair-hash lookups. The canonical source of truth for "which feed serves which pair" in your protocol.

Chapter 2

Features

Pair-to-feed mapping — Register and look up oracle feeds by (base, quote) pair
Versioned updates — Track feed history per pair with version numbers
Proposal governance — Two-step feed updates (propose → accept) for safety
Batch queries — Get multiple feeds in a single call
Efficient hashing — PairHash library for gas-efficient keccak256(base, quote)
Access control — Ownable2Step for safe admin transfers

Chapter 3

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Architecture

Chapter 4

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Usage

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Contents