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FluidLiquidityDummyImpl ​

Git Source

Inherits:IFluidLiquidityLogic

Liquidity dummy implementation used for Fluid Liquidity infinite proxy.

see https://github.com/Instadapp/infinite-proxy?tab=readme-ov-file#dummy-implementation

Functions ​

updateAuths ​

adds/removes auths. Auths generally could be contracts which can have restricted actions defined on contract. auths can be helpful in reducing governance overhead where it's not needed.

solidity
function updateAuths(AdminModuleStructs.AddressBool[] calldata authsStatus_) external;

Parameters

NameTypeDescription
authsStatus_AdminModuleStructs.AddressBool[]array of structs setting allowed status for an address. status true => add auth, false => remove auth

updateGuardians ​

adds/removes guardians. Only callable by Governance.

solidity
function updateGuardians(AdminModuleStructs.AddressBool[] calldata guardiansStatus_) external;

Parameters

NameTypeDescription
guardiansStatus_AdminModuleStructs.AddressBool[]array of structs setting allowed status for an address. status true => add guardian, false => remove guardian

updateRevenueCollector ​

changes the revenue collector address (contract that is sent revenue). Only callable by Governance.

solidity
function updateRevenueCollector(address revenueCollector_) external;

Parameters

NameTypeDescription
revenueCollector_addressnew revenue collector address

changeStatus ​

changes current status, e.g. for pausing or unpausing all user operations. Only callable by Auths.

solidity
function changeStatus(uint256 newStatus_) external;

Parameters

NameTypeDescription
newStatus_uint256new status status = 2 -> pause, status = 1 -> resume.

updateRateDataV1s ​

update tokens rate data version 1. Only callable by Auths.

solidity
function updateRateDataV1s(AdminModuleStructs.RateDataV1Params[] calldata tokensRateData_) external;

Parameters

NameTypeDescription
tokensRateData_AdminModuleStructs.RateDataV1Params[]array of RateDataV1Params with rate data to set for each token

updateRateDataV2s ​

update tokens rate data version 2. Only callable by Auths.

solidity
function updateRateDataV2s(AdminModuleStructs.RateDataV2Params[] calldata tokensRateData_) external;

Parameters

NameTypeDescription
tokensRateData_AdminModuleStructs.RateDataV2Params[]array of RateDataV2Params with rate data to set for each token

updateTokenConfigs ​

updates token configs: fee charge on borrowers interest & storage update utilization threshold. Only callable by Auths.

solidity
function updateTokenConfigs(AdminModuleStructs.TokenConfig[] calldata tokenConfigs_) external;

Parameters

NameTypeDescription
tokenConfigs_AdminModuleStructs.TokenConfig[]contains token address, fee & utilization threshold

updateUserClasses ​

updates user classes: 0 is for new protocols, 1 is for established protocols. Only callable by Auths.

solidity
function updateUserClasses(AdminModuleStructs.AddressUint256[] calldata userClasses_) external;

Parameters

NameTypeDescription
userClasses_AdminModuleStructs.AddressUint256[]struct array of uint256 value to assign for each user address

updateUserSupplyConfigs ​

sets user supply configs per token basis. Eg: with interest or interest-free and automated limits. Only callable by Auths.

solidity
function updateUserSupplyConfigs(AdminModuleStructs.UserSupplyConfig[] memory userSupplyConfigs_) external;

Parameters

NameTypeDescription
userSupplyConfigs_AdminModuleStructs.UserSupplyConfig[]struct array containing user supply config, see UserSupplyConfig struct for more info

updateUserWithdrawalLimit ​

sets a new withdrawal limit as the current limit for a certain user

solidity
function updateUserWithdrawalLimit(address user_, address token_, uint256 newLimit_) external;

Parameters

NameTypeDescription
user_addressuser address for which to update the withdrawal limit
token_addresstoken address for which to update the withdrawal limit
newLimit_uint256new limit until which user supply can decrease to. Important: input in raw. Must account for exchange price in input param calculation. Note any limit that is < max expansion or > current user supply will set max expansion limit or current user supply as limit respectively. - set 0 to make maximum possible withdrawable: instant full expansion, and if that goes below base limit then fully down to 0. - set type(uint256).max to make current withdrawable 0 (sets current user supply as limit).

updateUserBorrowConfigs ​

setting user borrow configs per token basis. Eg: with interest or interest-free and automated limits. Only callable by Auths.

solidity
function updateUserBorrowConfigs(AdminModuleStructs.UserBorrowConfig[] memory userBorrowConfigs_) external;

Parameters

NameTypeDescription
userBorrowConfigs_AdminModuleStructs.UserBorrowConfig[]struct array containing user borrow config, see UserBorrowConfig struct for more info

pauseUser ​

pause operations for a particular user in class 0 (class 1 users can't be paused by guardians). Only callable by Guardians.

solidity
function pauseUser(address user_, address[] calldata supplyTokens_, address[] calldata borrowTokens_) external;

Parameters

NameTypeDescription
user_addressaddress of user to pause operations for
supplyTokens_address[]token addresses to pause withdrawals for
borrowTokens_address[]token addresses to pause borrowings for

unpauseUser ​

unpause operations for a particular user in class 0 (class 1 users can't be paused by guardians). Only callable by Guardians.

solidity
function unpauseUser(address user_, address[] calldata supplyTokens_, address[] calldata borrowTokens_) external;

Parameters

NameTypeDescription
user_addressaddress of user to unpause operations for
supplyTokens_address[]token addresses to unpause withdrawals for
borrowTokens_address[]token addresses to unpause borrowings for

collectRevenue ​

collects revenue for tokens to configured revenueCollector address.

Note that this can revert if token balance is < revenueAmount (utilization > 100%)

solidity
function collectRevenue(address[] calldata tokens_) external;

Parameters

NameTypeDescription
tokens_address[]array of tokens to collect revenue for

updateExchangePrices ​

gets the current updated exchange prices for n tokens and updates all prices, rates related data in storage.

solidity
function updateExchangePrices(address[] calldata tokens_)
    external
    returns (uint256[] memory supplyExchangePrices_, uint256[] memory borrowExchangePrices_);

Parameters

NameTypeDescription
tokens_address[]tokens to update exchange prices for

Returns

NameTypeDescription
supplyExchangePrices_uint256[]new supply rates of overall system for each token
borrowExchangePrices_uint256[]new borrow rates of overall system for each token

operate ​

Single function which handles supply, withdraw, borrow & payback

*to trigger skipping in / out transfers (gas optimization):

  • callbackData_ MUST be encoded so that "from" address is the last 20 bytes in the last 32 bytes slot, also for native token operations where liquidityCallback is not triggered! from address must come at last position if there is more data. I.e. encode like: abi.encode(otherVar1, otherVar2, FROM_ADDRESS). Note dynamic types used with abi.encode come at the end so if dynamic types are needed, you must use abi.encodePacked to ensure the from address is at the end.
  • this "from" address must match withdrawTo_ or borrowTo_ and must be == msg.sender
  • callbackData_ must in addition to the from address as described above include bytes32 SKIP_TRANSFERS in the slot before (bytes 32 to 63)
  • msg.value must be 0.
  • Amounts must be either:
  • supply(+) == borrow(+), withdraw(-) == payback(-).
  • Liquidity must be on the winning side (deposit < borrow OR payback < withdraw).*
solidity
function operate(
    address token_,
    int256 supplyAmount_,
    int256 borrowAmount_,
    address withdrawTo_,
    address borrowTo_,
    bytes calldata callbackData_
) external payable returns (uint256 memVar3_, uint256 memVar4_);

Parameters

NameTypeDescription
token_addressaddress of token (0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE for native)
supplyAmount_int256if +ve then supply, if -ve then withdraw, if 0 then nothing
borrowAmount_int256if +ve then borrow, if -ve then payback, if 0 then nothing
withdrawTo_addressif withdrawal then to which address
borrowTo_addressif borrow then to which address
callbackData_bytescallback data passed to liquidityCallback method of protocol

Returns

NameTypeDescription
memVar3_uint256updated supplyExchangePrice
memVar4_uint256updated borrowExchangePrice