# IAlgebraFactory The interface for the Algebra Factory *Developer note: Credit to Uniswap Labs under GPL-2.0-or-later license: * ## Events ### Owner `event Owner(address newOwner)` Emitted when the owner of the factory is changed | Name | Type | Description | | -------- | ------- | ------------------------------------- | | newOwner | address | The owner after the owner was changed | ### VaultAddress `event VaultAddress(address newVaultAddress)` Emitted when the vault address is changed | Name | Type | Description | | --------------- | ------- | ----------------------------------------------- | | newVaultAddress | address | The vault address after the address was changed | ### Pool `event Pool(address token0, address token1, address pool)` Emitted when a pool is created | Name | Type | Description | | ------ | ------- | -------------------------------------------------- | | token0 | address | The first token of the pool by address sort order | | token1 | address | The second token of the pool by address sort order | | pool | address | The address of the created pool | ### FarmingAddress `event FarmingAddress(address newFarmingAddress)` Emitted when the farming address is changed | Name | Type | Description | | ----------------- | ------- | ------------------------------------------------- | | newFarmingAddress | address | The farming address after the address was changed | ### FeeConfiguration `event FeeConfiguration(uint16 alpha1, uint16 alpha2, uint32 beta1, uint32 beta2, uint16 gamma1, uint16 gamma2, uint32 volumeBeta, uint16 volumeGamma, uint16 baseFee)` | Name | Type | Description | | ----------- | ------ | ----------- | | alpha1 | uint16 | | | alpha2 | uint16 | | | beta1 | uint32 | | | beta2 | uint32 | | | gamma1 | uint16 | | | gamma2 | uint16 | | | volumeBeta | uint32 | | | volumeGamma | uint16 | | | baseFee | uint16 | | ## Functions ### owner `function owner() external view returns (address)` view external Returns the current owner of the factory *Developer note: Can be changed by the current owner via setOwner* **Returns:** | Name | Type | Description | | ---- | ------- | -------------------------------- | | \[0] | address | The address of the factory owner | ### poolDeployer `function poolDeployer() external view returns (address)` view external Returns the current poolDeployerAddress **Returns:** | Name | Type | Description | | ---- | ------- | ------------------------------- | | \[0] | address | The address of the poolDeployer | ### farmingAddress `function farmingAddress() external view returns (address)` view external *Developer note: Is retrieved from the pools to restrict calling certain functions not by a tokenomics contract* **Returns:** | Name | Type | Description | | ---- | ------- | ------------------------------- | | \[0] | address | The tokenomics contract address | ### vaultAddress `function vaultAddress() external view returns (address)` view external **Returns:** | Name | Type | Description | | ---- | ------- | ----------- | | \[0] | address | | ### poolByPair `function poolByPair(address tokenA, address tokenB) external view returns (address pool)` view external Returns the pool address for a given pair of tokens and a fee, or address 0 if it does not exist *Developer note: tokenA and tokenB may be passed in either token0/token1 or token1/token0 order* | Name | Type | Description | | ------ | ------- | ----------------------------------------------- | | tokenA | address | The contract address of either token0 or token1 | | tokenB | address | The contract address of the other token | **Returns:** | Name | Type | Description | | ---- | ------- | ---------------- | | pool | address | The pool address | ### createPool `function createPool(address tokenA, address tokenB) external returns (address pool)` external Creates a pool for the given two tokens and fee *Developer note: tokenA and tokenB may be passed in either order: token0/token1 or token1/token0. tickSpacing is retrieved from the fee. The call will revert if the pool already exists, the fee is invalid, or the token arguments are invalid.* | Name | Type | Description | | ------ | ------- | ----------------------------------------------- | | tokenA | address | One of the two tokens in the desired pool | | tokenB | address | The other of the two tokens in the desired pool | **Returns:** | Name | Type | Description | | ---- | ------- | ------------------------------------- | | pool | address | The address of the newly created pool | ### setOwner `function setOwner(address _owner) external` external Updates the owner of the factory *Developer note: Must be called by the current owner* | Name | Type | Description | | ------- | ------- | ---------------------------- | | \_owner | address | The new owner of the factory | ### setFarmingAddress `function setFarmingAddress(address _farmingAddress) external` external *Developer note: updates tokenomics address on the factory* | Name | Type | Description | | ---------------- | ------- | ----------------------------------- | | \_farmingAddress | address | The new tokenomics contract address | ### setVaultAddress `function setVaultAddress(address _vaultAddress) external` external *Developer note: updates vault address on the factory* | Name | Type | Description | | -------------- | ------- | ------------------------------ | | \_vaultAddress | address | The new vault contract address | ### setBaseFeeConfiguration `function setBaseFeeConfiguration(uint16 alpha1, uint16 alpha2, uint32 beta1, uint32 beta2, uint16 gamma1, uint16 gamma2, uint32 volumeBeta, uint16 volumeGamma, uint16 baseFee) external` external Changes initial fee configuration for new pools *Developer note: changes coefficients for sigmoids: α / (1 + e^( (β-x) / γ)) alpha1 + alpha2 + baseFee (max possible fee) must be <= type(uint16).max gammas must be > 0* | Name | Type | Description | | ----------- | ------ | --------------------------------------------------- | | alpha1 | uint16 | max value of the first sigmoid | | alpha2 | uint16 | max value of the second sigmoid | | beta1 | uint32 | shift along the x-axis for the first sigmoid | | beta2 | uint32 | shift along the x-axis for the second sigmoid | | gamma1 | uint16 | horizontal stretch factor for the first sigmoid | | gamma2 | uint16 | horizontal stretch factor for the second sigmoid | | volumeBeta | uint32 | shift along the x-axis for the outer volume-sigmoid | | volumeGamma | uint16 | horizontal stretch factor the outer volume-sigmoid | | baseFee | uint16 | minimum possible fee | --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. 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