chore: remove Native library (#31)

* chore: remove deprecated strategies and related files

* chore: remove Native library

---------

Co-authored-by: OneTony <onetony@defi.sucks>

Author: 0xAustrian

contracts/core/Allo.sol

@@ -14,7 +14,6 @@ import {ReentrancyGuardUpgradeable} from
 import {IAllo} from "contracts/core/interfaces/IAllo.sol";
 import {IRegistry} from "contracts/core/interfaces/IRegistry.sol";
 import {Errors} from "contracts/core/libraries/Errors.sol";
-import {Native} from "contracts/core/libraries/Native.sol";
 import {Transfer} from "contracts/core/libraries/Transfer.sol";
 import {Metadata} from "contracts/core/libraries/Metadata.sol";
 import {IBaseStrategy} from "strategies/IBaseStrategy.sol";
@@ -38,7 +37,7 @@ import {IBaseStrategy} from "strategies/IBaseStrategy.sol";
 /// @author @thelostone-mc <aditya@gitcoin.co>, @0xKurt <kurt@gitcoin.co>, @codenamejason <jason@gitcoin.co>, @0xZakk <zakk@gitcoin.co>, @nfrgosselin <nate@gitcoin.co>
 /// @notice This contract is used to create & manage _pools as well as manage the protocol.
 /// @dev The contract must be initialized with the 'initialize()' function.
-contract Allo is IAllo, Native, Initializable, Ownable, AccessControlUpgradeable, ReentrancyGuardUpgradeable, Errors {
+contract Allo is IAllo, Initializable, Ownable, AccessControlUpgradeable, ReentrancyGuardUpgradeable, Errors {
     using Transfer for address;
 
     // ==========================
@@ -318,7 +317,8 @@ contract Allo is IAllo, Native, Initializable, Ownable, AccessControlUpgradeable
     /// @param _recipient The recipient
     function recoverFunds(address _token, address _recipient) external onlyOwner {
         // Get the amount of the token to transfer, which is always the entire balance of the contract address
-        uint256 _amount = _token == NATIVE ? address(this).balance : IERC20Upgradeable(_token).balanceOf(address(this));
+        uint256 _amount =
+            _token == Transfer.NATIVE ? address(this).balance : IERC20Upgradeable(_token).balanceOf(address(this));
 
         // Transfer the amount to the recipient (pool owner)
         _token.transferAmount(_recipient, _amount);
@@ -379,7 +379,7 @@ contract Allo is IAllo, Native, Initializable, Ownable, AccessControlUpgradeable
         if (_amount == 0) revert INVALID();
 
         Pool memory _pool = _pools[_poolId];
-        if (_pool.token == NATIVE && _amount != msg.value) revert ETH_MISMATCH();
+        if (_pool.token == Transfer.NATIVE && _amount != msg.value) revert ETH_MISMATCH();
 
         // Call the internal fundPool() function
         _fundPool(_amount, _msgSender(), _poolId, _pool.strategy);
@@ -544,8 +544,8 @@ contract Allo is IAllo, Native, Initializable, Ownable, AccessControlUpgradeable
             // To prevent paying the _baseFee from the Allo contract's balance
             // If _token is NATIVE, then _baseFee + _amount should be equal to _msgValue.
             // If _token is not NATIVE, then _baseFee should be equal to _msgValue.
-            if (_token == NATIVE && (_baseFee + _amount != _msgValue)) revert ETH_MISMATCH();
-            if (_token != NATIVE && _baseFee != _msgValue) revert ETH_MISMATCH();
+            if (_token == Transfer.NATIVE && (_baseFee + _amount != _msgValue)) revert ETH_MISMATCH();
+            if (_token != Transfer.NATIVE && _baseFee != _msgValue) revert ETH_MISMATCH();
 
             address(_treasury).transferAmountNative(_baseFee);
 
@@ -592,7 +592,7 @@ contract Allo is IAllo, Native, Initializable, Ownable, AccessControlUpgradeable
 
         address _token = _pools[_poolId].token;
 
-        if (_token == NATIVE && msg.value < _amount) revert ETH_MISMATCH();
+        if (_token == Transfer.NATIVE && msg.value < _amount) revert ETH_MISMATCH();
 
         if (_feeAmount > 0) {
             uint256 _balanceBeforeFee = _token.getBalance(_treasury);

contracts/core/libraries/Native.sol

@@ -5,14 +5,13 @@ pragma solidity ^0.8.19;
 // Core Contracts
 import {BaseStrategy} from "strategies/BaseStrategy.sol";
 // Internal Libraries
-import {Native} from "contracts/core/libraries/Native.sol";
 import {Errors} from "contracts/core/libraries/Errors.sol";
 import {Transfer} from "contracts/core/libraries/Transfer.sol";
 
 /// @title DirectAllocationStrategy
 /// @dev The strategy only implements the allocate logic
 /// @notice A strategy that directly allocates funds to a recipient
-contract DirectAllocationStrategy is BaseStrategy, Native, Errors {
+contract DirectAllocationStrategy is BaseStrategy, Errors {
     using Transfer for address;
 
     /// ===============================
@@ -70,7 +69,7 @@ contract DirectAllocationStrategy is BaseStrategy, Native, Errors {
         uint256 _totalNativeAmount;
         for (uint256 i; i < _recipientsLength; ++i) {
             /// Direct allocate the funds
-            if (_tokens[i] == NATIVE) _totalNativeAmount += _amounts[i];
+            if (_tokens[i] == Transfer.NATIVE) _totalNativeAmount += _amounts[i];
             _tokens[i].transferAmountFrom(_sender, _recipients[i], _amounts[i]);
 
             emit DirectAllocated(_recipients[i], _amounts[i], _tokens[i], _sender);

contracts/strategies/examples/direct-allocation/DirectAllocation.sol

@@ -10,7 +10,6 @@ import {RecipientsExtension} from "strategies/extensions/register/RecipientsExte
 import {AllocationExtension} from "strategies/extensions/allocate/AllocationExtension.sol";
 // Internal Libraries
 import {Transfer} from "contracts/core/libraries/Transfer.sol";
-import {Native} from "contracts/core/libraries/Native.sol";
 
 // ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣾⣿⣷⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣼⣿⣿⣷⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⣿⣗⠀⠀⠀⢸⣿⣿⣿⡯⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
 // ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⣿⣿⣿⣷⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣼⣿⣿⣿⣿⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⣿⣗⠀⠀⠀⢸⣿⣿⣿⡯⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
@@ -30,7 +29,7 @@ import {Native} from "contracts/core/libraries/Native.sol";
 /// @title Donation Voting Strategy with off-chain setup
 /// @notice Strategy that allows allocations in multiple tokens to accepted recipient. The actual payouts are set
 /// by the pool manager.
-contract DonationVotingOffchain is BaseStrategy, RecipientsExtension, AllocationExtension, Native {
+contract DonationVotingOffchain is BaseStrategy, RecipientsExtension, AllocationExtension {
     using Transfer for address;
 
     /// ===============================
@@ -241,7 +240,7 @@ contract DonationVotingOffchain is BaseStrategy, RecipientsExtension, Allocation
 
             address _recipientAddress = DIRECT_TRANSFER ? _recipients[__recipients[i]].recipientAddress : address(this);
 
-            if (_tokens[i] == NATIVE) {
+            if (_tokens[i] == Transfer.NATIVE) {
                 _totalNativeAmount += _amounts[i];
             } else {
                 _tokens[i].usePermit(_sender, _recipientAddress, _amounts[i], _permits[i]);

contracts/strategies/examples/donation-voting/DonationVotingOffchain.sol

@@ -10,7 +10,6 @@ import {RecipientsExtension} from "strategies/extensions/register/RecipientsExte
 import {AllocationExtension} from "strategies/extensions/allocate/AllocationExtension.sol";
 // Internal Libraries
 import {QFHelper} from "strategies/libraries/QFHelper.sol";
-import {Native} from "contracts/core/libraries/Native.sol";
 import {Transfer} from "contracts/core/libraries/Transfer.sol";
 
 // ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣾⣿⣷⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣼⣿⣿⣷⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⣿⣗⠀⠀⠀⢸⣿⣿⣿⡯⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
@@ -31,7 +30,7 @@ import {Transfer} from "contracts/core/libraries/Transfer.sol";
 /// @title Donation Voting Strategy with qudratic funding tracked on-chain
 /// @notice Strategy that allows allocations in a specified token to accepted recipient. Payouts are calculated from
 /// allocations based on the quadratic funding formula.
-contract DonationVotingOnchain is BaseStrategy, RecipientsExtension, AllocationExtension, Native {
+contract DonationVotingOnchain is BaseStrategy, RecipientsExtension, AllocationExtension {
     using QFHelper for QFHelper.State;
     using Transfer for address;
 
@@ -135,7 +134,7 @@ contract DonationVotingOnchain is BaseStrategy, RecipientsExtension, AllocationE
             emit Allocated(_recipients[i], _sender, _amounts[i], abi.encode(_allocationToken));
         }
 
-        if (_allocationToken == NATIVE) {
+        if (_allocationToken == Transfer.NATIVE) {
             if (msg.value != _totalAmount) revert ETH_MISMATCH();
         } else {
             _allocationToken.usePermit(_sender, address(this), _totalAmount, _permitData);