test: cucumber check block heights in order test

integration_tests/features/BaseNodeConnectivity.feature

@@ -15,8 +15,14 @@ Feature: Base Node Connectivity
         Then I wait for WALLET_A to have ONLINE connectivity
         Then SEED_A is connected to WALLET_A
 
+    Scenario: Base node lists heights
+        Given I have 1 seed nodes
+        And I have a base node N1 connected to all seed nodes
+        When I mine 5 blocks on N1
+        Then node N1 lists heights 1 to 5
+
     Scenario: Base node lists headers
         Given I have 1 seed nodes
         And I have a base node BN1 connected to all seed nodes
         When I mine 5 blocks on BN1
-        Then node BN1 lists headers 1 to 5 with correct heights
+        Then node BN1 lists headers 1 to 5 with correct heights

integration_tests/features/support/steps.js

@@ -3478,3 +3478,26 @@ Then(
     expect(await wallet.getContact("alias")).to.be.undefined;
   }
 );
+
+Then(
+  /node (.*) lists heights (\d+) to (\d+)/,
+  async function (node, first, last) {
+    const client = this.getClient(node);
+    const start = first;
+    const end = last;
+    let heights = [];
+
+    for (let i = start; i <= end; i++) {
+      heights.push(i);
+    }
+    const blocks = await client.getBlocks(heights);
+    const results = blocks.map((result) =>
+      parseInt(result.block.header.height)
+    );
+    let i = 0; // for ordering check
+    for (let height = start; height <= end; height++) {
+      expect(results[i]).equal(height);
+      i++;
+    }
+  }
+);

integration_tests/helpers/baseNodeClient.js

@@ -444,6 +444,10 @@ class BaseNodeClient {
     const mempoolStats = await this.client.getMempoolStats().sendMessage({});
     return mempoolStats;
   }
+
+  async getBlocks(heights) {
+    return await this.client.getBlocks().sendMessage({ heights });
+  }
 }
 
 module.exports = BaseNodeClient;