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IKellerSwapCallback.sol

Any contract that calls IKellerPoolActions#swap must implement this interface

Methods​

KellerSwapCallback(int256,int256,bytes)​

Called to msg.sender after executing a swap via IKellerPool#swap.

Solidity

function KellerSwapCallback(int256 amount0Delta, int256 amount1Delta, bytes data) external nonpayable
Details

In the implementation you must pay the pool tokens owed for the swap. The caller of this method must be checked to be a KellerPool deployed by the canonical KellerFactory. amount0Delta and amount1Delta can both be 0 if no tokens were swapped.

Parameters​

NameTypeDescription
amount0Deltaint256The amount of token0 that was sent (negative) or must be received (positive) by the pool by the end of the swap. If positive, the callback must send that amount of token0 to the pool.
amount1Deltaint256The amount of token1 that was sent (negative) or must be received (positive) by the pool by the end of the swap. If positive, the callback must send that amount of token1 to the pool.
databytesAny data passed through by the caller via the IKellerPoolActions#swap call