Market Trait

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Purpose: Interface definition for market contracts. Defines core lending protocol operations.

market-trait

Interface implemented by market.clar for core lending operations.

Trait Definition

market-trait

Interface implemented by market.clar for core lending operations.

Functions:

collateral-add

Add collateral to position.

Signature

Parameters:

  • ft: Asset token

  • amount: Amount to add

  • price-feeds: Optional Pyth feed updates (up to 3)

Returns:

  • Updated collateral amount


collateral-remove

Remove collateral from position.

Parameters:

  • ft: Asset token

  • amount: Amount to remove

  • receiver: Optional recipient (defaults to caller)

  • price-feeds: Optional Pyth feed updates

Returns:

  • Remaining collateral amount


borrow

Borrow assets against collateral.

Parameters:

  • ft: Asset to borrow

  • amount: Amount to borrow

  • receiver: Optional recipient (defaults to caller)

  • price-feeds: Optional Pyth feed updates

Returns:

  • Success or error (boolean and code)


repay

Repay borrowed debt.

Parameters:

  • ft: Asset to repay

  • amount: Amount to repay

  • on-behalf-of: Optional account to repay for (defaults to caller)

Returns:

  • Actual amount repaid


liquidate

Liquidate unhealthy position.

Parameters:

  • borrower: Position to liquidate

  • collateral-ft: Collateral to seize

  • debt-ft: Debt to repay

  • debt-amount: Amount of debt to repay

  • min-collateral-expected: Minimum collateral (slippage protection)

  • receiver: Optional recipient

  • price-feeds: Optional Pyth feed updates

Returns:

  • Debt repaid and collateral received


liquidate-multi

Batch liquidate multiple positions.

Parameters:

  • positions: List of liquidation specs

Returns:

  • List of results per position

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