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SCCP-163 Update Optimism Chainlink Oracles to OCR #846

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merged 6 commits into from Jan 12, 2022
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SCCP-163 Update Optimism Chainlink Oracles to OCR #846

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62 changes: 62 additions & 0 deletions content/sccp/sccp-163.md
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---
sccp: 163
title: Update Optimism Chainlink Oracles to OCR
network: Optimism
author: Roger Brogan (@rbrogan-git), <roger.brogan@smartcontract.com>
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Please remove the email - just the name and github username is sufficient

status: Draft
created: 2022-01-10
---

<!--You can leave these HTML comments in your merged SCCP and delete the visible duplicate text guides, they will not appear and may be helpful to refer to if you edit it again. This is the suggested template for new SCCPs. Note that an SCCP number will be assigned by an editor. When opening a pull request to submit your SCCP, please use an abbreviated title in the filename, `sccp-draft_title_abbrev.md`. The title should be 44 characters or less.-->



## Simple Summary

<!--"If you can't explain it simply, you don't understand it well enough." Provide a simplified and layman-accessible explanation of the SCCP.-->

Upgrade to use the new OCR price feeds from Chainnlink on Optimism.

## Abstract

<!--A short (~200 word) description of the variable change proposed.-->

The original Chainlink price feeds on Optimism are an older OVM compatible version.

The regenisis allowed the newer Off Chain Reporting (OCR) feeds to be deployed on Optimism.

The new OCR feeds should be used as they are current state of the art.


## Motivation

<!--The motivation is critical for SCCPs that want to update variables within Synthetix. It should clearly explain why the existing variable is not incentive aligned. SCCP submissions without sufficient motivation may be rejected outright.-->

The OCR feeds are the latest technology and will perform better than the old versions.

The existing proxy address are:

BTC/USD 0xc326371d4D866C6Ff522E69298e36Fe75797D358
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Please wrap addresses with backticks `


ETH/USD 0xA969bEB73d918f6100163Cd0fba3C586C269bee1

LINK/USD 0x74d6B50283AC1D651f9Afdc33521e4c1E3332b78

SNX/USD 0x588e1f339910c21c7E4864048E37017AafF4cBc6


The change should be to the new OCR proxy addresses here:

BTC/USD 0xD702DD976Fb76Fffc2D3963D037dfDae5b04E593

ETH/USD 0x13e3Ee699D1909E989722E753853AE30b17e08c5

LINK/USD 0xCc232dcFAAE6354cE191Bd574108c1aD03f86450

SNX/USD 0x2FCF37343e916eAEd1f1DdaaF84458a359b53877



## Copyright

Copyright and related rights waived via [CC0](https://creativecommons.org/publicdomain/zero/1.0/).