To proceed, you must identify the consumer contract linked to the particular user channel (each channel is uniquely paired with a consumer contract). Subsequently, call the withdraw method function of the contract.
Contract address：
Check the consumer contract address of Pro User Channel as following.
To withdraw from the pro user channel with multi-signature function, you must first enable the signData requests function on your wallet like Unisat Wallet.
Release
Release the BTC assets which locked in the user channel to the escape channel.
function getTotalWithdrawFee(
uint256 amount,
bytes calldata recipient
) public view override returns (uint256 bridgeFee_, uint256 withdrawFee_)
Get BTCC Contract
function getTokenAddress() public view returns (address)
BTCC
Contract address：
0xFf6002e78Ed2e2D279f7CD42FD0aDffA81Dabe0d
Borrow (BTCC → BTU)
// Function
function deposit(uint256 _amount, uint256 _time) public onlyWhenLive
// Parameters
_amount: The quantity of BTU you require to borrow.
_time: The duration for which you need to borrow BTU, measured in seconds.
// Exmaple
deposit(100000,3600)
A borrowing order can only exist for an address if it has not been liquidated or fully repaid. Multiple borrowing orders per address are not allowed.
Increase Collateral (BTCC)
// Function
function inc(address _usr, uint256 _amount) public onlyWhenLive
// Parameters
_user: The user address involved in increasing their BTCC position.
_amount: The amount of BTCC collateral that the user adds.
// Exmaple
inc(0x2da..,100000)
Redeem (BTCC → BTC)
Withdraw BTC asset by using the escape channel.
// Function
function withdraw(uint256 _amount, bytes memory btc_address) public onlyWhenLive
// Parameters
_amount: User's Bitcoin withdrawal amount
btc_address: User's Bitcoin wallet address
// Exmaple
withdraw(10000,tp1p.....)
BTU
Contract address：
0x001Fec5fB9Cd00dbA462e9adF9Bb5CAd83A18615
Repay / Prepay (BTU → BTCC)
// Function
function withdraw(uint256 _amount) public onlyWhenLive
// Parameters
_amount: The quantity of BTU you require to repay/prepay.
// Exmaple
withdraw（100000）
Liquidate (BTU → BTCC)
// Function
function liquidate(address _liqAddress) public onlyWhenLive
// Parameters
_liqAddress: The target user address for liquidation.
// Exmaple
liquidate(0x1100....)
Oracle
Contract address：
0x59B9bAfa4Dc97F533699B203C45B4B8aFf0F7665
Update Currency
The system necessitates a real-time oracle service that can automatically fetch and update the latest BTC/USDT price data. This data will be used for calculating margin requirements, executing trades and etc.
// Function
function update(uint256 price_, uint32 time_) external onlyOracle
// Parameters
price_: The BTC/USDT market prices with four decimal places of precision.
time_: The timestamp when the price updates.
// Exmaple
update(52000000,1735362497)
Vault
Contract address：
0x3aeA39F795c31275Fe8594599841e2E66498B8ef
Get Bill Records
function getliqRecord(
uint256 begin,
uint256 end
) external view returns (uint256 length, Record[] memory recordList)
return：
// Number
length
// List
Record {
address borrower;
address payer;
uint256 startTime;
uint256 endTime;
uint256 terminal;
uint256 interest_rate;
Status status;
uint256 btcc_amount;
uint256 btu_amount;
uint256 initial_btu_amount;
uint256 interest;
uint256 fee;
}
enum Status {
Null,
Activated,
Completed,
Devalued,
Expired
}
Get Liquidation Index
function getRecordLiquidationHistoryIndex(
address addr_
) public view returns (uint256[] memory)
return：
The index array of the liquidation records
Important:
the index should be used as (index_ - 1) as a funtion parameter.
Get Bill Detail
function getRecord(uint256 index_) public view returns (Record memory)
return：
// Record detail
Record {
address borrower;
address payer;
uint256 startTime;
uint256 endTime;
uint256 terminal;
uint256 interest_rate;
Status status;
uint256 btcc_amount;
uint256 btu_amount;
uint256 initial_btu_amount;
uint256 interest;
uint256 fee;
}
Get Debt Detail
function getDebt(address addr_) public view returns (uint256, uint256)
return：
The collateralized amount of BTCC and the outstanding BTU debt
Get All Index
function getRecordHistoryIndex(
address addr_
) public view returns (uint256[] memory)
return：
The index array of all the records
Important:
the index should be used as (index_ - 1) as a funtion parameter.
Get Bill Index
function getRecordIndex(address addr_) public view returns (uint256)
return：
The index of the current record
Important:
the index should be used as (index_ - 1) as a funtion parameter.
Get Currency
function getPrice() public view returns (uint256)
return：
The market price of the BTC/USDT token pair
Get LTV Rate
function getCurLtvRate(address addr_) public view returns (uint256)
return：
Loan-to-value Ratio
Get All Rates
function getAllRate()
public
view
returns (uint256 ltv_rate_, uint256 liq_rate_, uint256 interest_rate_)
return：
Loan-to-value Ratio(LTV), Liquidation Margin Ratio(LR), Annual Interest Rate(IR)
Get Service Fee
function getFee() public view returns (uint256)
return：
The fixed service fee (default: 1 BTU)
Liquidation
Contract address：
0xE5A730ebaD97cBB9303e30A95dE7790920895f85
Get Rewards Rate
function getRewardsRate() external view returns (uint256) {
return rewardsRate;
}
return：
The incentive rate paid to liquidators (default: 0.2%)
Get LMR
function getLiquidationRate() external view returns (uint256) {
return liquidationRate;
}
return：
Liquidation Margin Ratio (default: 120%)
Get Delay Period
function getBufferPeriod() external view returns (uint256) {
return buffer_period;
}
return：
The delay period for past-due debts (default: 7 days)
