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Fix fee decay in 3piecewise #14

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merged 1 commit into from Jan 11, 2022
Merged

Fix fee decay in 3piecewise #14

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6 changes: 4 additions & 2 deletions packages/contracts/contracts/PriceCurves/ThreePieceWiseLinearPriceCurve.sol
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Expand Up @@ -142,10 +142,12 @@ contract ThreePieceWiseLinearPriceCurve is IPriceCurve, Ownable {

function calculateDecayedFee() public override view returns (uint256 fee) {
uint256 decay = block.timestamp.sub(lastFeeTime);
if (decay > 0 && decay < decayTime) {
// Decay within bounds of decay time, then decay the fee.
if (decay <= decayTime) {
fee = lastFeePercent.sub(lastFeePercent.mul(decay).div(decayTime));
} else {
fee = lastFeePercent;
// If it has been longer than decay time, then reset fee to 0.
fee = 0;
}
return fee;
}
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