add lagoon yield source

src/adaptors/lagoon/index.js

@@ -0,0 +1,96 @@
+import { request, gql } from 'graphql-request';
+
+const GRAPH_URL = 'https://api.lagoon.finance/query';
+const CHAINS = {
+  ethereum: 1,
+  base: 8453,
+  tac: 239,
+  arbitrum: 42161,
+  linea: 59144,
+  plasma: 9745,
+  avalanche: 43114,
+};
+
+const gqlQueries = {
+  vaultsData: gql`
+    query GetVaultsData($chainId: Int!, $skip: Int!) {
+      vaults(
+        first: 100
+        skip: $skip
+        where: { chainId_in: [$chainId], isVisible_eq: true }
+      ) {
+        pageInfo {
+          hasNextPage
+        }
+        items {
+          id
+          address
+          chain {
+            id
+          }
+          symbol
+          asset {
+            address
+            decimals
+            priceUsd
+            symbol
+          }
+          state {
+            totalAssetsUsd
+            weeklyApr {
+              linearNetAprWithoutExtraYields
+              incentives {
+                apr
+              }
+            }
+          }
+        }
+      }
+    }
+  `,
+};
+
+const apy = async () => {
+  let pools = [];
+
+  for (const [chain, chainId] of Object.entries(CHAINS)) {
+    // Fetch vaults data with pagination
+    let allVaults = [];
+    let skip = 0;
+    while (true) {
+      const { vaults } = await request(GRAPH_URL, gqlQueries.vaultsData, {
+        chainId,
+        skip,
+      });
+
+      allVaults = allVaults.concat(vaults.items);
+      if (!vaults.pageInfo.hasNextPage) break;
+      skip += 100;
+    }
+    const _pools = allVaults.map((vault) => {
+      const apyReward =
+        vault.state.weeklyApr.incentives.reduce(
+          (acc, curr) => acc + curr.apr,
+          0
+        ) || 0;
+      return {
+        pool: `lagoon-${vault.address}-${chain}`,
+        chain,
+        project: 'lagoon',
+        symbol: vault.symbol,
+        apyBase: vault.state.weeklyApr.linearNetAprWithoutExtraYields,
+        tvlUsd: vault.state.totalAssetsUsd || 0,
+        underlyingTokens: [vault.asset.address],
+        url: `https://app.lagoon.finance/vault/${vault.chain.id}/${vault.address}`,
+        apyReward,
+      };
+    });
+    pools = pools.concat(_pools);
+  }
+
+  return pools;
+};
+
+module.exports = {
+  apy,
+};