diff --git a/src/blockchain/__tests__/addresses.spec.ts b/src/blockchain/__tests__/addresses.spec.ts
new file mode 100644
index 0000000..8bb306c
--- /dev/null
+++ b/src/blockchain/__tests__/addresses.spec.ts
@@ -0,0 +1,110 @@
+import { expectTypeOf, it, expect } from "vitest";
+import {
+  getTokenAddress,
+  getP2PixAddress,
+  getProviderUrl,
+  isPossibleNetwork,
+  possibleChains,
+  network2Chain,
+} from "../addresses";
+
+import { setActivePinia, createPinia } from "pinia";
+import { NetworkEnum } from "@/model/NetworkEnum";
+import { useEtherStore } from "@/store/ether";
+
+describe("addresses.ts types", () => {
+  it("My addresses.ts types work properly", () => {
+    expectTypeOf(getTokenAddress).toBeFunction();
+    expectTypeOf(getP2PixAddress).toBeFunction();
+    expectTypeOf(getProviderUrl).toBeFunction();
+    expectTypeOf(isPossibleNetwork).toBeFunction();
+
+    expectTypeOf(possibleChains).toBeObject();
+    expectTypeOf(network2Chain).toBeObject();
+  });
+});
+
+describe("addresses.ts functions", () => {
+  beforeEach(() => {
+    setActivePinia(createPinia());
+  });
+
+  it("getTokenAddress Ethereum", () => {
+    const etherStore = useEtherStore();
+    etherStore.setNetworkName(NetworkEnum.ethereum);
+    expect(getTokenAddress()).toBe(
+      "0x294003F602c321627152c6b7DED3EAb5bEa853Ee"
+    );
+  });
+
+  it("getTokenAddress Polygon", () => {
+    const etherStore = useEtherStore();
+    etherStore.setNetworkName(NetworkEnum.polygon);
+    expect(getTokenAddress()).toBe(
+      "0x294003F602c321627152c6b7DED3EAb5bEa853Ee"
+    );
+  });
+
+  it("getTokenAddress Default", () => {
+    expect(getTokenAddress()).toBe(
+      "0x294003F602c321627152c6b7DED3EAb5bEa853Ee"
+    );
+  });
+
+  it("getP2PixAddress Ethereum", () => {
+    const etherStore = useEtherStore();
+    etherStore.setNetworkName(NetworkEnum.ethereum);
+    expect(getP2PixAddress()).toBe(
+      "0x5f3EFA9A90532914545CEf527C530658af87e196"
+    );
+  });
+
+  it("getP2PixAddress Polygon", () => {
+    const etherStore = useEtherStore();
+    etherStore.setNetworkName(NetworkEnum.polygon);
+    expect(getP2PixAddress()).toBe(
+      "0x5f3EFA9A90532914545CEf527C530658af87e196"
+    );
+  });
+
+  it("getP2PixAddress Default", () => {
+    expect(getP2PixAddress()).toBe(
+      "0x5f3EFA9A90532914545CEf527C530658af87e196"
+    );
+  });
+
+  it("getProviderUrl Ethereum", () => {
+    const etherStore = useEtherStore();
+    etherStore.setNetworkName(NetworkEnum.ethereum);
+    expect(getProviderUrl()).toBe(import.meta.env.VITE_GOERLI_API_URL);
+  });
+
+  it("getProviderUrl Polygon", () => {
+    const etherStore = useEtherStore();
+    etherStore.setNetworkName(NetworkEnum.polygon);
+    expect(getProviderUrl()).toBe(import.meta.env.VITE_MUMBAI_API_URL);
+  });
+
+  it("getProviderUrl Default", () => {
+    expect(getProviderUrl()).toBe(import.meta.env.VITE_GOERLI_API_URL);
+  });
+
+  it("isPossibleNetwork Returns", () => {
+    const etherStore = useEtherStore();
+    etherStore.setNetworkName(NetworkEnum.ethereum);
+    expect(isPossibleNetwork("0x5")).toBe(true);
+    expect(isPossibleNetwork("5")).toBe(true);
+    expect(isPossibleNetwork("0x13881")).toBe(true);
+    expect(isPossibleNetwork("80001")).toBe(true);
+
+    expect(isPossibleNetwork("")).toBe(false);
+    expect(isPossibleNetwork(" ")).toBe(false);
+    expect(isPossibleNetwork("0x55")).toBe(false);
+  });
+});
+
+describe("addresses.ts Unset Store", () => {
+  it("getProviderUrl Unset", () => {
+    expect(getProviderUrl()).toBe(undefined);
+  });
+});