Add compareCrtBanxico utility and integrate it into sendQrPayment controller

Author: portfedh

controllers/sendQrPayment.js

@@ -9,6 +9,7 @@ const { getCodiQrUrl } = require("./utils/getCodiQrUrl");
 const { getSellerApiKey } = require("./utils/getSellerApiKey");
 const { verifySignature } = require("./utils/verifySignature");
 const { getKeyCredentials } = require("./utils/getKeyCredentials");
+const { compareCrtBanxico } = require("./utils/compareCrtBanxico");
 const { generateSignature } = require("./utils/generateDigitalSignature");
 const { getBanxicoCredentials } = require("./utils/getBanxicoCredentials");
 const { getDeveloperCredentials } = require("./utils/getDeveloperCredentials");
@@ -81,15 +82,19 @@ module.exports = {
         });
       }
 
-      // Send the data
+      // Send the data to Banxico
       const response = await axios.post(codiApiQrEndpoint, requestBody, {
         headers: {
           "Content-Type": "application/json; charset=utf-8",
         },
       });
       // console.log("\n🔵 Respuesta de Banxico: ", response.data);
 
-      // Verify the signed data
+      // Verify th crtBdeM value sent in response
+      const crtBanxicoVerified = compareCrtBanxico(crtBanxico, response.data);
+      // console.log("\n🔵 crtBdeM verificado: ", crtBanxicoVerified);
+
+      // Verify the signature: Banxico
       const responseIsVerified = verifySignature(
         response.data,
         publicKeyBanxico

controllers/utils/compareCrtBanxico.js

@@ -0,0 +1,14 @@
+function compareCrtBanxico(crtBanxico, data) {
+  if (crtBanxico === data.crtBdeM) {
+    return true;
+  } else {
+    console.error(
+      "Mismatch: data.crtBdeM does not match with crtBanxico public key"
+    );
+    return false;
+  }
+}
+
+module.exports = {
+  compareCrtBanxico,
+};

tests/compareCrtBanxico.test.js

@@ -0,0 +1,23 @@
+const { compareCrtBanxico } = require("../controllers/utils/compareCrtBanxico");
+
+describe("compareCrtBanxico", () => {
+  test("should return true when crtBanxico matches data.crtBdeM", () => {
+    const crtBanxico = "00000100000100015974";
+    const data = {
+      crtBdeM: "00000100000100015974",
+    };
+    expect(compareCrtBanxico(crtBanxico, data)).toBe(true);
+  });
+
+  test("should return false and log error when crtBanxico does not match data.crtBdeM", () => {
+    const crtBanxico = "00000100000100015974";
+    const data = {
+      crtBdeM: "00000100000100015975",
+    };
+    console.error = jest.fn(); // Mock console.error
+    expect(compareCrtBanxico(crtBanxico, data)).toBe(false);
+    expect(console.error).toHaveBeenCalledWith(
+      "Mismatch: data.crtBdeM does not match with crtBanxico public key"
+    );
+  });
+});