ARM Buyback

[clement-ux]

Create a new buyback for ARM

Create a new buyback for ARM, using WETH as oToken. This use the same contract as OETHBuyback.sol and OUSDBuyback.sol.

Params

Using the same parameter at OETHBuyback.sol except for oToken.

• Otoken : WETH
• SwapRouter: Swapper1InchV5
• Strategist: Origin MS 2
• TreasuryManager: Origin MS 2
• RewardsSource: OGN Rewards source
• Proxy Governor: Timelock

Code Change Checklist

To be completed before internal review begins:

• The contract code is complete
  • No smart contract changes.
• Executable deployment file
• Fork tests that test after the deployment file runs
• Unit tests *if needed
• The owner has done a full checklist review of the code + tests

Internal review:

• Two approvals by internal reviewers

Deploy checklist

Two reviewers complete the following checklist:

- [ ] All deployed contracts are listed in the deploy PR's description
- [ ] Deployed contract's verified code (and all dependencies) match the code in master
- [ ] The transactions that interacted with the newly deployed contract match the deploy script.
- [ ] Governance proposal matches the deploy script
- [ ] Smoke tests pass after fork test execution of the governance proposal

[github-actions]

	Warnings
⚠️	👀 This PR needs at least 2 reviewers

Generated by 🚫 dangerJS against 6b4498f

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 56.58%. Comparing base (4973efb) to head (6b4498f).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2240      +/-   ##
==========================================
+ Coverage   56.57%   56.58%   +0.01%     
==========================================
  Files          75       76       +1     
  Lines        3848     3849       +1     
  Branches     1014     1014              
==========================================
+ Hits         2177     2178       +1     
  Misses       1668     1668              
  Partials        3        3              

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[openzeppelin-code]

ARM Buyback

Generated at commit: 6b4498fd672c52e18b1bb9b6c8a8093298a572f6

🚨 Report Summary

	Severity Level	Results
Contracts	Critical High Medium Low Note Total	3 3 0 18 42 66
Dependencies	Critical High Medium Low Note Total	0 0 0 0 0 0

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For more details view the full report in OpenZeppelin Code Inspector

[DanielVF]

Let's look these up from addresses.mainnet, instead of having them separately coded here.

[DanielVF]

@clement-ux Can you make the linter happy? Thanks.

[clement-ux]

@clement-ux Can you make the linter happy? Thanks.

I was sure I'd done it before push. Sorry, fixed now.

[naddison36]

Looks good. My only change would be getting the strategist address

[naddison36]

you can get the strategist address with

const { strategistAddr } = await getNamedAccounts();

This is configured in the Hardhat config