Add rewards for linena rseth (#1490)

* Add rewards for linena rseth * Fix typo
delvtech · Sep 12, 2024 · 32400e2 · 32400e2
1 parent 89fa93d
commit 32400e2
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diff --git a/apps/hyperdrive-trading/src/base/assertNever.ts b/apps/hyperdrive-trading/src/base/assertNever.ts
@@ -0,0 +1,33 @@
+/**
+ * Helper function for exhaustive checks of discriminated unions.
+ * https://basarat.gitbooks.io/typescript/docs/types/discriminated-unions.html
+ *
+ * @example
+ *
+ *    type A = {type: 'a'};
+ *    type B = {type: 'b'};
+ *    type Union = A | B;
+ *
+ *    function doSomething(arg: Union) {
+ *      if (arg.type === 'a') {
+ *        return something;
+ *      }
+ *
+ *      if (arg.type === 'b') {
+ *        return somethingElse;
+ *      }
+ *
+ *      // TS will error if there are other types in the union
+ *      // Will throw an Error when called at runtime.
+ *      // Use `assertNever(arg, true)` instead to fail silently.
+ *      return assertNever(arg);
+ *    }
+ */ export function assertNever(value: never, noThrow?: boolean): never {
+  if (noThrow) {
+    return value;
+  }
+
+  throw new Error(
+    `Unhandled discriminated union member: ${JSON.stringify(value)}`,
+  );
+}
diff --git a/apps/hyperdrive-trading/src/ui/rewards/RewardsTooltip.tsx b/apps/hyperdrive-trading/src/ui/rewards/RewardsTooltip.tsx
@@ -1,6 +1,7 @@
-import { findHyperdriveConfig } from "@hyperdrive/appconfig";
+import { appConfig, findHyperdriveConfig } from "@hyperdrive/appconfig";
 import * as Tooltip from "@radix-ui/react-tooltip";
 import { PropsWithChildren, ReactNode } from "react";
+import { assertNever } from "src/base/assertNever";
 import { useAppConfig } from "src/ui/appconfig/useAppConfig";
 import { useRewards } from "src/ui/rewards/useRewards";
 import { Address } from "viem";
@@ -40,36 +41,55 @@ export function RewardsTooltip({
             sideOffset={5}
             collisionPadding={12}
           >
-            <div className="p- flex justify-between border-b border-neutral-content/30 p-3">
+            <div className="flex justify-between border-b border-neutral-content/30 p-3">
               <p className="gradient-text text-lg">Rewards</p>
             </div>
 
             {rewards?.map((reward) => {
-              if (reward.id === "MorphoFlatRate") {
-                return (
-                  <div
-                    key={reward.id}
-                    className="flex items-center justify-between border-b border-neutral-content/30 p-3 [&:nth-last-child(2)]:border-none"
-                  >
-                    <div className="flex items-center gap-1">
-                      <img
-                        src="https://cdn.morpho.org/assets/logos/morpho.svg"
-                        alt="Morpho logo"
-                        className="h-4"
-                      />
-                      {reward.name}
-                    </div>
+              switch (reward.id) {
+                case "MorphoFlatRate":
+                  return (
+                    <div
+                      key={reward.id}
+                      className="flex items-center justify-between border-b border-neutral-content/30 p-3 [&:nth-last-child(2)]:border-none"
+                    >
+                      <div className="flex items-center gap-1">
+                        <img
+                          src={appConfig.protocols.morpho.iconUrl}
+                          alt="Morpho logo"
+                          className="h-4"
+                        />
+                        {reward.name}
+                      </div>
 
-                    <div className="grid justify-items-end">
-                      <p className="flex items-center gap-1">
-                        +{reward.amount}
-                      </p>
-                      <p className="text-2xs text-neutral-content">
-                        per $1000 / yr
-                      </p>
+                      <div className="grid justify-items-end">
+                        <p className="flex items-center gap-1">
+                          +{reward.amount}
+                        </p>
+                        <p className="text-2xs text-neutral-content">
+                          per $1000 / yr
+                        </p>
+                      </div>
+                    </div>
+                  );
+                case "LineaLXPL":
+                  return (
+                    <div
+                      key={reward.id}
+                      className="flex flex-col items-start justify-start gap-2 border-b border-neutral-content/30 p-3 [&:nth-last-child(2)]:border-none"
+                    >
+                      <div className="flex items-center gap-4">
+                        <img
+                          src={appConfig.chains[hyperdrive.chainId].iconUrl}
+                          alt="KelpDAO logo"
+                          className="h-8"
+                        />
+                        <p>This pool is eligible for LXP-L rewards.</p>
+                      </div>
                     </div>
-                  </div>
-                );
+                  );
+                default:
+                  assertNever(reward.id);
               }
             })}
           </Tooltip.Content>

diff --git a/apps/hyperdrive-trading/src/ui/rewards/useRewards.ts b/apps/hyperdrive-trading/src/ui/rewards/useRewards.ts
@@ -4,7 +4,7 @@ import { HyperdriveConfig } from "@hyperdrive/appconfig";
 import { usePoolInfo } from "src/ui/hyperdrive/hooks/usePoolInfo";
 import { usePresentValue } from "src/ui/hyperdrive/hooks/usePresentValue";
 import { Address } from "viem";
-import { mainnet } from "viem/chains";
+import { linea, mainnet } from "viem/chains";
 
 // TODO @cashd: Move to AppConfig
 // https://github.com/delvtech/hyperdrive-frontend/issues/1341
@@ -17,19 +17,24 @@ const eligibleMarketsForMorphoRewards: Record<number, Address[]> = {
   ],
 };
 
+const eligibleMarketsForLineaRewards: Record<number, Address[]> = {
+  [linea.id]: [
+    // 182d KelpDAO rsETH
+    "0xB56e0Bf37c4747AbbC3aA9B8084B0d9b9A336777",
+  ],
+};
+
 // Source: https://docs.morpho.org/rewards/concepts/programs
 const MorphoFlatRatePerDay = 1.45e-4;
 const MorphoFlatRatePerYear = parseFixed(MorphoFlatRatePerDay * 365 * 1000);
 
-type RewardType = "MorphoFlatRate";
+type RewardType = "MorphoFlatRate" | "LineaLXPL";
 
-type UseRewardsReturn =
-  | {
-      id: RewardType;
-      name: string;
-      amount: string;
-    }[]
-  | undefined;
+type Reward = {
+  id: RewardType;
+  name: string;
+  amount: string;
+};
 
 function getWeightMorpho(
   poolConfig: PoolConfig,
@@ -56,7 +61,7 @@ function getWeightMorpho(
 export function useRewards(
   hyperdrive: HyperdriveConfig,
   positionType: "short" | "lp",
-): UseRewardsReturn {
+): Reward[] | undefined {
   const { poolInfo } = usePoolInfo({
     chainId: hyperdrive.chainId,
     hyperdriveAddress: hyperdrive.address,
@@ -66,6 +71,9 @@ export function useRewards(
     hyperdriveAddress: hyperdrive.address,
   });
 
+  const rewards = [];
+
+  // Add any morpho rewards for this market
   if (
     eligibleMarketsForMorphoRewards[hyperdrive.chainId]?.includes(
       hyperdrive.address,
@@ -80,14 +88,29 @@ export function useRewards(
       ),
     );
 
-    return [
-      {
-        id: "MorphoFlatRate",
-        name: "MORPHO",
-        amount: morphoRate.format({
-          decimals: 2,
-        }),
-      },
-    ];
+    const morphoReward: Reward = {
+      id: "MorphoFlatRate",
+      name: "MORPHO",
+      amount: morphoRate.format({
+        decimals: 2,
+      }),
+    };
+    rewards.push(morphoReward);
+  }
+
+  // Add any linea rewards for this market
+  if (
+    eligibleMarketsForLineaRewards[hyperdrive.chainId]?.includes(
+      hyperdrive.address,
+    )
+  ) {
+    const lineaReward: Reward = {
+      id: "LineaLXPL",
+      name: "LXPL",
+      amount: "1",
+    };
+    rewards.push(lineaReward);
   }
+
+  return rewards;
 }