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Merged
aalavandhan merged 2 commits into from
Apr 2, 2024
Merged

V2 final updates #204

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1bfdd36
updated sigmoid bound for 20% yearly rollover rate
aalavandhan Apr 1, 2024
b8ac230
updated LICENSE
aalavandhan Apr 1, 2024
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2 changes: 1 addition & 1 deletion LICENSE
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ Licensed Work: Ampleforth Spot
Additional Use Grant: Any uses listed and defined at
spot-license-grants.ampleforthorg.eth

Change Date: The earlier of 2025-01-01 or a date specified at
Change Date: The earlier of 2027-01-01 or a date specified at
spot-license-date.ampleforthorg.eth

Change License: GNU General Public License v3.0 or later
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4 changes: 2 additions & 2 deletions spot-contracts/contracts/FeePolicy.sol
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Expand Up @@ -68,8 +68,8 @@ contract FeePolicy is IFeePolicy, OwnableUpgradeable {
uint256 public constant ONE = (1 * 10 ** DECIMALS);

/// @notice Sigmoid asymptote bound.
/// @dev Set to 0.01 or 1%, i.e) the rollover fee can be at most 1% on either direction.
uint256 public constant SIGMOID_BOUND = ONE / 100;
/// @dev Set to 0.05 or 5%, i.e) the rollover fee can be at most 5% on either direction.
uint256 public constant SIGMOID_BOUND = ONE / 20;

/// @notice Target subscription ratio lower bound, 0.75 or 75%.
uint256 public constant TARGET_SR_LOWER_BOUND = (ONE * 75) / 100;
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4 changes: 2 additions & 2 deletions spot-contracts/test/FeePolicy.ts
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Expand Up @@ -177,7 +177,7 @@ describe("FeePolicy", function () {
it("should revert", async function () {
await expect(
feePolicy.connect(deployer).updatePerpRolloverFees({
lower: toPerc("-0.011"),
lower: toPerc("-0.051"),
upper: toPerc("0.01"),
growth: toPerc("3"),
}),
Expand All @@ -187,7 +187,7 @@ describe("FeePolicy", function () {
await expect(
feePolicy.connect(deployer).updatePerpRolloverFees({
lower: toPerc("-0.01"),
upper: toPerc("0.011"),
upper: toPerc("0.051"),
growth: toPerc("3"),
}),
).to.be.revertedWithCustomError(feePolicy, "InvalidSigmoidAsymptotes");
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