[DRAFT] 3.0.1 Upgrade

[The-3D]

This PR upgrades the Aave V3 code to version 3.0.1.

Applied changes:

• Fixed issues with Atokens transfer events not being ERC20 compliant
• Fixed potential reentrancy on withrdraw and liquidations in case reentrant tokens are being used as collateral
• Removes same transaction borrow/repay check

[codecov-commenter]

Codecov Report

Base: 99.95% // Head: 99.65% // Decreases project coverage by -0.30% :warning:

Coverage data is based on head (ee7d556) compared to base (f3e037b). Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #701      +/-   ##
==========================================
- Coverage   99.95%   99.65%   -0.31%     
==========================================
  Files          45       45              
  Lines        2134     2300     +166     
  Branches      283      421     +138     
==========================================
+ Hits         2133     2292     +159     
- Misses          1        8       +7     

Impacted Files	Coverage Δ
contracts/misc/AaveOracle.sol	100.00% <ø> (ø)
...s/protocol/configuration/PoolAddressesProvider.sol	100.00% <ø> (ø)
...ol/configuration/PoolAddressesProviderRegistry.sol	100.00% <ø> (ø)
...cts/protocol/configuration/PriceOracleSentinel.sol	100.00% <ø> (ø)
...ies/aave-upgradeability/VersionedInitializable.sol	100.00% <ø> (ø)
...ocol/libraries/configuration/UserConfiguration.sol	100.00% <ø> (ø)
contracts/protocol/libraries/helpers/Helpers.sol	100.00% <ø> (ø)
...cts/protocol/libraries/logic/ConfiguratorLogic.sol	100.00% <ø> (ø)
contracts/protocol/libraries/logic/EModeLogic.sol	100.00% <ø> (ø)
...ontracts/protocol/libraries/logic/GenericLogic.sol	100.00% <ø> (ø)
... and 48 more

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[eboadom]

To recap on what is included here:

1. Return unbacked amount https://github.com/aave/aave-v3-core/pull/683
2. Improvement of CEI, reducing reentrancy risk (even for not covered ERC777) https://github.com/aave/aave-v3-core/pull/704
3. Add config param for if an asset is "flash loanable" or not https://github.com/aave/aave-v3-core/pull/710
4. Remove the blocker for borrow and repay in the same action https://github.com/aave/aave-v3-core/pull/705
5. Fix bug in edge case of liquidation https://github.com/aave/aave-v3-core/pull/709
6. Fix the problem with 100% reserve factor https://github.com/aave/aave-v3-core/pull/724
7. Fix accounting bug on flash loan and back unbacked fees https://github.com/aave/aave-v3-core/pull/733
8. Misc typos https://github.com/aave/aave-v3-core/pull/728
9. Soften the Solidity version to ^0.8.0 https://github.com/aave/aave-v3-core/pull/720
10. Make interest rate strategy inheritable https://github.com/aave/aave-v3-core/pull/721
11. Fix the problem with events emission on a/v tokens https://github.com/aave/aave-v3-core/pull/682
12. Optimization of state updates (skip if same timestamp) https://github.com/aave/aave-v3-core/pull/725

(props to @miguelmtzinf for the initial recap)

[miguelmtzinf]

Thanks @eboadom @kyzia551 and all BGD for the effort

[miguelmtzinf]

Recap of the changes that have been applied in this PR for now:

1. Return unbacked amount

• https://github.com/aave/aave-v3-core/pull/683

2. Improvement of CEI, reducing reentrancy risk (even for not covered ERC777)

• https://github.com/aave/aave-v3-core/pull/704

3. Add config param for if an asset is "flash loanable" or not

• https://github.com/aave/aave-v3-core/pull/710

4. Remove the blocker for borrow and repay in the same action

• https://github.com/aave/aave-v3-core/pull/705

5. Fix bug in edge case of liquidation

• https://github.com/aave/aave-v3-core/pull/709
• https://github.com/aave/aave-v3-core/pull/747
• https://github.com/aave/aave-v3-core/pull/753

6. Fix the problem with 100% reserve factor

• https://github.com/aave/aave-v3-core/pull/724
• https://github.com/aave/aave-v3-core/pull/768

7. Fix accounting bug on flash loan and back unbacked fees

• https://github.com/aave/aave-v3-core/pull/733

8. Misc typos

• https://github.com/aave/aave-v3-core/pull/728
• https://github.com/aave/aave-v3-core/pull/752
• https://github.com/aave/aave-v3-core/pull/764
• https://github.com/aave/aave-v3-core/pull/771

9. Soften the Solidity version to ^0.8.0

• https://github.com/aave/aave-v3-core/pull/720
• https://github.com/aave/aave-v3-core/pull/762

10. Make interest rate strategy inheritable https://github.com/aave/aave-v3-core/pull/721
11. Fix the problem with events emission on a/v tokens

• https://github.com/aave/aave-v3-core/pull/682
• https://github.com/aave/aave-v3-core/pull/745
• https://github.com/aave/aave-v3-core/pull/751
• https://github.com/aave/aave-v3-core/pull/759

12. Optimization of state updates (skip if same timestamp)

• https://github.com/aave/aave-v3-core/pull/725

13. Completion of interfaces for PoolDataProvider and AaveProtocolDataProvider

• https://github.com/aave/aave-v3-core/pull/766
• https://github.com/aave/aave-v3-core/pull/763

14. Fix calculation of interest rates with non-zero unbacked and zero unbackedMintCap

• https://github.com/aave/aave-v3-core/pull/773

15. Capitalize license names of contracts

• https://github.com/aave/aave-v3-core/pull/765
• https://github.com/aave/aave-v3-core/pull/769

16. Minimize the IAaveIncentivesController to comply with Rewards V3 contract

• https://github.com/aave/aave-v3-core/pull/761

17. Include additional parameter for onBehalfOf at AToken handleRepayment

• https://github.com/aave/aave-v3-core/pull/743

[miguelmtzinf]

Merging this branch since the work for 3.0.1 has been finalized :+1: :+1:
Certora's audit report and CI checks will be added in a separate PR.

Thanks all for the great work made here! @The-3D @eboadom @kyzia551 @stevenvaleri @kartojal and other community contributors