The pull request introduces significant changes to the allo-v2-sdk repository. The modifications include updates to constants, removal and addition of functions, error types, and events, and changes to the MicroGrantsStrategy class.

Constants:

• The address constant in allo.config.ts was updated.
• The abi array was modified.

Functions:

• Several functions were removed, including fundPool, getBaseFee, getFeeDenominator, getPercentFee, getPool, getRegistry, getRoleAdmin, getStrategy, getTreasury, and others.
• New functions were added, including DEFAULT_ADMIN_ROLE, NATIVE, addPoolManager, addToCloneableStrategies, allocate, batchAllocate, batchRegisterRecipient, cancelOwnershipHandover, completeOwnershipHandover, createPool, createPoolWithCustomStrategy, distribute, grantRole, hasRole, initialize, isCloneableStrategy, isPoolAdmin, isPoolManager, owner, and others.

Error Types:

• Error types "UNAUTHORIZED", "Unauthorized", and "ZERO_ADDRESS" were removed.
• New error types were added, including ALLOCATION_ACTIVE, ALLOCATION_NOT_ACTIVE, ALLOCATION_NOT_ENDED, ALREADY_INITIALIZED, AMOUNT_MISMATCH, ANCHOR_ERROR, ARRAY_MISMATCH, INVALID, INVALID_ADDRESS, INVALID_FEE, INVALID_METADATA, INVALID_REGISTRATION, IS_APPROVED_STRATEGY, MISMATCH, NONCE_NOT_AVAILABLE, NOT_APPROVED_STRATEGY, NOT_ENOUGH_FUNDS, NOT_IMPLEMENTED, NOT_INITIALIZED, NOT_PENDING_OWNER, NewOwnerIsZeroAddress, NoHandoverRequest, POOL_ACTIVE, POOL_INACTIVE, RECIPIENT_ALREADY_ACCEPTED, RECIPIENT_ERROR, RECIPIENT_NOT_ACCEPTED, REGISTRATION_NOT_ACTIVE, UNAUTHORIZED, Unauthorized, ZERO_ADDRESS.

Events:

• The PoolCreated event was removed.
• Several new events were added, including "BaseFeePaid", "BaseFeeUpdated", "Initialized", "OwnershipHandoverCanceled", "OwnershipHandoverRequested", "OwnershipTransferred", "PercentFeeUpdated", "PoolFunded", "PoolMetadataUpdated", "RegistryUpdated", "RoleAdminChanged", "RoleGranted", "RoleRevoked", "StrategyApproved", "StrategyRemoved", and "TreasuryUpdated".

MicroGrantsStrategy Class:

• The MicroGrantsStrategy class was updated to allow the strategy property to be undefined.
• The constructor now uses extractChain to determine the chain to be used and checks if an address is provided before creating a contract and setting the strategy.
• Two new methods, setContract and checkStrategy, were added.
• All public methods now call checkStrategy before executing their logic.
• Several method names and parameters were renamed for clarity and consistency.
• The to property of the returned object in certain methods was changed from this.strategy to this.strategy!.
• In the createStrategy() method, params.maxRequestedAmountAllowed was replaced with params.maxRequestedAmount.
• The InitializeParams type was updated, with the property maxRequestedAmountAllowed being renamed to maxRequestedAmount.