IAlgebraFactory

The interface for the Algebra Factory

Developer note: Credit to Uniswap Labs under GPL-2.0-or-later license: https://github.com/Uniswap/v3-core/tree/main/contracts/interfaces

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: Îą / (1 + e^( (β-x) / Îŗ)) 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