feat: markets read actions

Author: cesarenaldi

packages/client/src/actions/index.ts

@@ -1 +1,2 @@
+export * from './markets';
 export * from './misc';

packages/client/src/actions/markets.ts

@@ -0,0 +1,51 @@
+import {
+  type Market,
+  MarketQuery,
+  type MarketRequest,
+  MarketsQuery,
+  type MarketsRequest,
+} from '@aave/graphql';
+import type { ResultAsync } from '@aave/types';
+import type { AaveClient } from '../client';
+import type { UnexpectedError } from '../errors';
+
+/**
+ * Fetches all markets for the specified chain IDs.
+ *
+ * ```ts
+ * const result = await markets(client, {
+ *   chainIds: [chainId(1), chainId(137)]
+ * });
+ * ```
+ *
+ * @param client - Aave client.
+ * @param request - The markets request parameters.
+ * @returns The list of markets.
+ */
+export function markets(
+  client: AaveClient,
+  request: MarketsRequest,
+): ResultAsync<Market[], UnexpectedError> {
+  return client.query(MarketsQuery, { request });
+}
+
+/**
+ * Fetches a specific market by address and chain ID.
+ *
+ * ```ts
+ * const result = await market(client, {
+ *   address: evmAddress('0x87870bca3f3fd6335c3f4ce8392d69350b4fa4e2'),
+ *   chainId: chainId(1)
+ * });
+ * ```
+ *
+ * @param client - Aave client.
+ * @param request - The market request parameters.
+ * @returns The market data, or null if not found.
+ */
+export function market(
+  client: AaveClient,
+  request: MarketRequest,
+): ResultAsync<Market | null, UnexpectedError> {
+  return client.query(MarketQuery, { request });
+}

packages/graphql/src/fragments/common.ts

@@ -0,0 +1,12 @@
+import type { FragmentOf } from 'gql.tada';
+import { graphql } from '../graphql';
+
+export const DecimalValueFragment = graphql(
+  `fragment DecimalValue on DecimalValue {
+    __typename
+    raw
+    decimals
+    value
+  }`,
+);
+export type DecimalValue = FragmentOf<typeof DecimalValueFragment>;

packages/graphql/src/fragments/index.ts

@@ -1 +1,3 @@
 export * from './chain';
+export * from './common';
+export * from './market';

packages/graphql/src/fragments/market.ts

@@ -0,0 +1,50 @@
+import type { FragmentOf } from 'gql.tada';
+import { graphql } from '../graphql';
+import { ChainFragment } from './chain';
+import { DecimalValueFragment } from './common';
+
+export const MarketFragment = graphql(
+  `fragment Market on Market {
+    __typename
+    name
+    chain {
+      ...Chain
+    }
+    address
+    totalMarketSize
+    totalAvailableLiquidity
+    totalBorrows
+  }`,
+  [ChainFragment],
+);
+export type Market = FragmentOf<typeof MarketFragment>;
+
+export const MarketInfoFragment = graphql(
+  `fragment MarketInfo on MarketInfo {
+    __typename
+    name
+    chain {
+      ...Chain
+    }
+  }`,
+  [ChainFragment],
+);
+export type MarketInfo = FragmentOf<typeof MarketInfoFragment>;
+
+export const MarketUserStatsFragment = graphql(
+  `fragment MarketUserStats on MarketUserStats {
+    __typename
+    netWorth {
+      ...DecimalValue
+    }
+    netAPY {
+      ...DecimalValue
+    }
+    healthFactor {
+      ...DecimalValue
+    }
+    eModeEnabled
+  }`,
+  [DecimalValueFragment],
+);
+export type MarketUserStats = FragmentOf<typeof MarketUserStatsFragment>;

packages/graphql/src/index.ts

@@ -2,4 +2,5 @@ export * from './common';
 export * from './enums';
 export * from './fragments';
 export * from './graphql';
+export * from './markets';
 export * from './misc';

packages/graphql/src/markets.ts

@@ -0,0 +1,22 @@
+import { MarketFragment } from './fragments';
+import { graphql, type RequestOf } from './graphql';
+
+export const MarketsQuery = graphql(
+  `query Markets($request: MarketsRequest!) {
+    value: markets(request: $request) {
+      ...Market
+    }
+  }`,
+  [MarketFragment],
+);
+export type MarketsRequest = RequestOf<typeof MarketsQuery>;
+
+export const MarketQuery = graphql(
+  `query Market($request: MarketRequest!) {
+    value: market(request: $request) {
+      ...Market
+    }
+  }`,
+  [MarketFragment],
+);
+export type MarketRequest = RequestOf<typeof MarketQuery>;