Initial commit: add .gitignore and README

tests/unit/pricing/index.test.ts

@@ -0,0 +1,71 @@
+import { describe, it, expect, vi, beforeEach } from "vitest";
+import { PriceOracle } from "../../../src/pricing/index.js";
+
+describe("Price Oracle", () => {
+  let oracle: PriceOracle;
+  let mockProvider: any;
+
+  beforeEach(() => {
+    mockProvider = {
+      getNetwork: vi.fn().mockResolvedValue({ chainId: 1n }),
+      call: vi.fn(),
+    };
+
+    oracle = new PriceOracle("mainnet");
+    // @ts-ignore - access private property for testing
+    oracle.provider = mockProvider;
+  });
+
+  it("should fetch Chainlink price", async () => {
+    // Mock Chainlink aggregator response
+    mockProvider.call = vi.fn().mockResolvedValue(
+      "0x0000000000000000000000000000000000000000000000000000000005f5e100" // 100000000 = $1.00 with 8 decimals
+    );
+
+    const price = await oracle.getPrice(
+      "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48" // USDC
+    );
+
+    expect(price).toBeDefined();
+    expect(price.name).toBe("chainlink");
+    expect(price.price).toBeGreaterThan(0n);
+  });
+
+  it("should calculate weighted average with quorum", async () => {
+    const sources = [
+      {
+        name: "chainlink",
+        price: 1000000n,
+        decimals: 8,
+        timestamp: Date.now(),
+      },
+      {
+        name: "uniswap-twap",
+        price: 1010000n,
+        decimals: 8,
+        timestamp: Date.now(),
+      },
+    ];
+
+    const result = await oracle.getPriceWithQuorum(
+      "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
+      sources
+    );
+
+    expect(result).toBeDefined();
+    expect(result.price).toBeGreaterThan(0n);
+    // Weighted average should be between the two prices
+    expect(result.price).toBeGreaterThanOrEqual(1000000n);
+    expect(result.price).toBeLessThanOrEqual(1010000n);
+  });
+
+  it("should handle missing token decimals gracefully", async () => {
+    mockProvider.call = vi.fn().mockRejectedValue(new Error("Not found"));
+
+    // Should not throw, should use default decimals
+    await expect(
+      oracle.getPrice("0xInvalidToken")
+    ).rejects.toThrow();
+  });
+});
+