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feat/Show NDOL redemption rate and give warning when low #28

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feat/Show NDOL redemption rate and give warning when low #28

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1c18a4e
Show redepmtion rate and give warnings when low
camchis Jan 4, 2022
6271e26
update threshold
camchis Jan 4, 2022
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19 changes: 19 additions & 0 deletions src/components/Exchange/ConfirmationBox.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,8 @@ export default function ConfirmationBox(props) {
isSubmitting,
fromUsdMin,
toUsdMax,
averageRedemptionRate,
warnLowRedemptionRate,
} = props;

const [savedSlippageAmount] = useLocalStorageSerializeKey(
Expand Down Expand Up @@ -391,6 +393,12 @@ export default function ConfirmationBox(props) {
{renderMain()}
{renderTriggerRatioWarning()}
{renderSpreadWarning()}
{warnLowRedemptionRate && (
<div className="Confirmation-box-warning">
WARNING: NDOL average redemption rate is currently low! Slippage is greater than 10%.
By design, staking NDOL helps combat impermanent loss over time.
</div>
)}
{(isSwap || isBurn || isMint) && (
<React.Fragment>
<ExchangeInfoRow label="Minimum received">
Expand Down Expand Up @@ -445,6 +453,17 @@ export default function ConfirmationBox(props) {
<div className="align-right">{toTokenUsd} USD</div>
</div>
)}
{averageRedemptionRate && (
<div className="Exchange-info-row">
<div className="Exchange-info-label">
NDOL Average Redemption Rate
</div>
<div className="align-right">
{formatAmount(averageRedemptionRate, USD_DECIMALS, 2, true)}{" "}
USD
</div>
</div>
)}
</div>
)}
{(isLong || isShort) && (
Expand Down
32 changes: 32 additions & 0 deletions src/components/Exchange/MintBox.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -310,6 +310,10 @@ const MintBox = (props) => {
swapOption === "Burn"
? tokens.filter((token) => token.symbol !== "NDOL")
: tokens;
const collateralTokens = tokens.filter((token) =>
(token.symbol !== "NDOL") &&
(token.symbol !== "WETH") &&
(!token?.symbol?.toLowerCase()?.includes("lp")));

const orderBookAddress = getContract(CHAIN_ID, "OrderBook");
const nativeTokenAddress = getContract(CHAIN_ID, "NATIVE_TOKEN");
Expand Down Expand Up @@ -456,6 +460,19 @@ const MintBox = (props) => {
// console.log("redemptionValue?.toString()");
// console.log(redemptionValue?.toString());

// Get average rate, check if redemption rate is less than 90%
let averageRedemptionRate = bigNumberify(0);
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is this all ok? BigNumber got me trippin 😵‍💫

for (let i = 0; i < collateralTokens.length; i++) {
const tokenInfo = getTokenInfo(infoTokens, collateralTokens[i]?.address);
const redemptionVal = tokenInfo.redemptionAmount?.mul(tokenInfo.maxPrice)?.div(expandDecimals(1, tokenInfo.decimals));
if (redemptionVal) averageRedemptionRate = averageRedemptionRate.add(redemptionVal);
}
averageRedemptionRate = averageRedemptionRate.div(bigNumberify(3));
let warnLowRedemptionRate = ((averageRedemptionRate) &&
(!averageRedemptionRate.eq(bigNumberify(0)) &&
(averageRedemptionRate.gt(bigNumberify(800000000000000000000000000000))))) ?
true : false

useEffect(() => {
if (
fromTokenAddress === prevFromTokenAddress &&
Expand Down Expand Up @@ -723,6 +740,9 @@ const MintBox = (props) => {
if (toUsdMax.lt(fromUsdMin.mul(95).div(100))) {
return "High Slippage, Mint Anyway";
}
if (warnLowRedemptionRate) {
return "NDOL Redemption Rate is Low, Mint Anyway"
}
return "Mint";
}

Expand Down Expand Up @@ -1704,6 +1724,16 @@ const MintBox = (props) => {
USD
</div>
</div>
{isMint && (
<div className="Exchange-info-row">
<div className="Exchange-info-label">NDOL Average Redemption Rate</div>
<div className="align-right">
{averageRedemptionRate &&
formatAmount(averageRedemptionRate, USD_DECIMALS, 2, true)}{" "}
USD
</div>
</div>
)}
{!isMarketOrder && (
<ExchangeInfoRow label="Price">
{getExchangeRateDisplay(
Expand Down Expand Up @@ -1771,6 +1801,8 @@ const MintBox = (props) => {
isPendingConfirmation={isPendingConfirmation}
fromUsdMin={fromUsdMin}
toUsdMax={toUsdMax}
averageRedemptionRate={averageRedemptionRate}
warnLowRedemptionRate={warnLowRedemptionRate}
/>
)}
</div>
Expand Down