ERC20CollateralLock

Collateral Lock Contract

Constructor

Parameter	Type	Description
_blake2b	address	BLAKE2b contract address
_priceFeed	address	PriceAggregator contract address

Properties

Property	Type	Description
loanIdCounter	uint256	Loans count
userLoans	mapping(address => uint256[])	Loans of each account
userLoansCount	mapping(address => uint256)	Loan count of each account

Functions

createBorrowRequest

Creates a FIL borrow request

Parameters

Parameter	Type	Description
_secretHashA1	bytes32	SecretA1's hash
_filBorrower	bytes	Borrower's FIL address
_collateralAmount	uint256	The amount of collateral to lock
_contractAddress	address	The contract address of the token to lock
_principalAmount	uint256	The interest rate requested
_interestRate	uint256	The requested amount to borrow
_loanExpirationPeriod	uint256	Loan length

cancelBorrowRequest

Cancels a FIL borrow request

Parameters

Parameter	Type	Description
_loanId	uint256	The ID of the loan to cancel
_secretA1	bytes	SecretA1's hash

acceptOffer

Sets the lender and accept FIL loan offer

Parameters

Parameter	Type	Description
_loanId	uint256	The ID of the loan to cancel
_lender	address	The address of the lender
_filLender	bytes	The lender's FIL address
_secretHashB1	bytes32	The lender's hashed secretB1
_paymentChannelId	bytes32	The ID of the FIL Payment Channel
_principalAmount	uint256	The FIL amount to borrow

unlockCollateral

Used when the Lender accepts the payback or cancels the loan

Parameters

Parameter	Type	Description
_loanId	uint256	The ID of the loan
_secretB1	bytes	Lender's secretB1

seizeCollateral

Can be used after the loan expiration to seize part of the collateral (lender) and return the remainder to the borrower

Parameters

Parameter	Type	Description
_loanId	uint256	The ID of the loan
_secretB1	bytes	Borrower's secretA1

fetchLoan

Gets information about a loan

Parameters

Parameter	Type	Description
_loanId	uint256	The ID of the loan

getAccountLoans

Gets account loans of an account

Parameters

Parameter	Type	Description
_account	address	User account

modifyPriceFeed

Modifies the price feed

Parameters

Parameter	Type	Description
_newPriceFeed	address	The new price feed address

Events

CreateBorrowRequest

Emmited when a borrow request started.

Parameters

Parameter	Type	Description
loanId	uint256	The ID of the loan
borrower	address	Borrower's address
collateralAmount	uint256	The amount of collateral to lock
token	address	The contract address of the token to lock

AcceptOffer

Emmited when an offer is accepted.

Parameters

Parameter	Type	Description
loanId	uint256	The ID of the loan
lender	address	The address of the lender
filLender	bytes	The lender's FIL address
secretHashB1	bytes32	The lender's hashed secretB1
paymentChannelId	bytes32	The ID of the FIL Payment Channel
principalAmount	uint256	The FIL amount to borrow

UnlockCollateral

Emmited when an offer is accepted.

Parameters

Parameter	Type	Description
loanId	uint256	The ID of the loan
borrower	address	Borrower's FIL address
collateralAmount	uint256	The amount of collateral to unlock
token	address	The contract address of the token to unlock

SeizeCollateral

Emmited after the loan expiration

Parameters

Parameter	Type	Description
loanId	uint256	The ID of the loan
lender	address	Lender's FIL address
amount	uint256	The amount of collateral to seize
token	address	The contract address of the token to unlock

UnlockRefundableCollateral

Emmited after the loan expiration

Parameters

Parameter	Type	Description
loanId	uint256	The ID of the loan
borrower	address	Borrower's FIL address
amount	uint256	The amount of collateral to seize
token	address	The contract address of the token to unlock

UnlockRefundableCollateral

Emmited after the loan expiration

Parameters

Parameter	Type	Description
loanId	uint256	The ID of the loan
borrower	address	Borrower's FIL address
amount	uint256	The amount of collateral to seize
token	address	The contract address of the token to unlock

CancelBorrowRequest

Emmited when is cancelled a FIL borrow request.

Parameters

Parameter	Type	Description
loanId	uint256	The ID of the loan
borrower	address	Borrower's FIL address
collateralAmount	uint256	The amount of collateral to seize
token	address	The contract address of the token to unlock
secretA1	bytes	SecretA1's hash