diff --git a/keeper/.env.example b/keeper/.env.example
index 98e0004..e43199e 100644
--- a/keeper/.env.example
+++ b/keeper/.env.example
@@ -47,6 +47,10 @@ RETRY_STORAGE_PATH=./data/retries.json
 MAX_RETRY_QUEUE_SIZE=100
 MAX_RETRIES_PER_CYCLE=2
 
+# Simulation Cache Configuration
+SIMULATION_CACHE_TTL=30
+SIMULATION_CACHE_MAX_SIZE=1000
+
 # Logging Configuration
 LOG_LEVEL=info
 NODE_ENV=production
diff --git a/keeper/__tests__/simulationCache.test.js b/keeper/__tests__/simulationCache.test.js
new file mode 100644
index 0000000..43b49b9
--- /dev/null
+++ b/keeper/__tests__/simulationCache.test.js
@@ -0,0 +1,155 @@
+const { SimulationCache } = require('../src/simulationCache');
+
+describe('SimulationCache', () => {
+  beforeEach(() => {
+    jest.useFakeTimers();
+  });
+
+  afterEach(() => {
+    jest.useRealTimers();
+  });
+
+  describe('get and set', () => {
+    it('should return null for missing entries', () => {
+      const cache = new SimulationCache();
+      expect(cache.get(123)).toBeNull();
+    });
+
+    it('should store and retrieve values', () => {
+      const cache = new SimulationCache();
+      const taskConfig = { last_run: 100, interval: 60, gas_balance: 1000 };
+      cache.set(123, taskConfig);
+      expect(cache.get(123)).toEqual(taskConfig);
+    });
+  });
+
+  describe('cache invalidation', () => {
+    it('should invalidate single entry', () => {
+      const cache = new SimulationCache();
+      cache.set(123, { last_run: 100 });
+      expect(cache.invalidate(123)).toBe(true);
+      expect(cache.get(123)).toBeNull();
+    });
+
+    it('should return false when invalidating non-existent entry', () => {
+      const cache = new SimulationCache();
+      expect(cache.invalidate(999)).toBe(false);
+    });
+
+    it('should bulk invalidate entries', () => {
+      const cache = new SimulationCache();
+      cache.set(1, { a: 1 });
+      cache.set(2, { b: 2 });
+      cache.set(3, { c: 3 });
+      expect(cache.invalidateAll([1, 2])).toBe(2);
+      expect(cache.get(1)).toBeNull();
+      expect(cache.get(2)).toBeNull();
+      expect(cache.get(3)).not.toBeNull();
+    });
+  });
+
+  describe('TTL expiration', () => {
+    it('should expire entries after TTL', () => {
+      const cache = new SimulationCache({ ttlSeconds: 5 });
+      cache.set(123, { last_run: 100 });
+
+      // Before TTL expires
+      jest.advanceTimersByTime(4000);
+      expect(cache.get(123)).not.toBeNull();
+
+      // After TTL expires
+      jest.advanceTimersByTime(2000);
+      expect(cache.get(123)).toBeNull();
+    });
+
+    it('should track misses for expired entries', () => {
+      const cache = new SimulationCache({ ttlSeconds: 1 });
+      cache.set(123, { data: 'test' });
+
+      cache.get(123); // hit
+      jest.advanceTimersByTime(2000);
+      cache.get(123); // miss (expired)
+
+      const stats = cache.getStats();
+      expect(stats.hits).toBe(1);
+      expect(stats.misses).toBe(1);
+    });
+  });
+
+  describe('hit rate tracking', () => {
+    it('should calculate hit rate correctly', () => {
+      const cache = new SimulationCache();
+      cache.set(1, { data: 1 });
+      cache.set(2, { data: 2 });
+
+      cache.get(1); // hit
+      cache.get(999); // miss (not found)
+      jest.advanceTimersByTime(100000); // expire all
+      cache.get(2); // miss (expired)
+
+      const stats = cache.getStats();
+      expect(stats.hits).toBe(1);
+      expect(stats.misses).toBe(2);
+      expect(stats.hitRatePercent).toBe(33.3);
+    });
+  });
+
+  describe('cache size limits', () => {
+    it('should evict oldest entry when at max size', () => {
+      const cache = new SimulationCache({ maxSize: 2, ttlSeconds: 60 });
+
+      cache.set(1, { data: 1 });
+      jest.advanceTimersByTime(1000);
+      cache.set(2, { data: 2 });
+      jest.advanceTimersByTime(1000);
+      cache.set(3, { data: 3 }); // should evict entry 1
+
+      expect(cache.get(1)).toBeNull();
+      expect(cache.get(2)).not.toBeNull();
+      expect(cache.get(3)).not.toBeNull();
+    });
+  });
+
+  describe('clear and cleanup', () => {
+    it('should clear all entries', () => {
+      const cache = new SimulationCache();
+      cache.set(1, { a: 1 });
+      cache.set(2, { b: 2 });
+      cache.get(1);
+
+      cache.clear();
+
+      expect(cache.get(1)).toBeNull();
+      expect(cache.get(2)).toBeNull();
+      const stats = cache.getStats();
+      expect(stats.hits).toBe(0);
+      expect(stats.misses).toBe(0);
+    });
+
+    it('should cleanup remove expired entries', () => {
+      const cache = new SimulationCache({ ttlSeconds: 5 });
+      cache.set(1, { a: 1 });
+      cache.set(2, { b: 2 });
+
+      jest.advanceTimersByTime(6000);
+      const removed = cache.cleanup();
+
+      expect(removed).toBe(2);
+      expect(cache.get(1)).toBeNull();
+      expect(cache.get(2)).toBeNull();
+    });
+  });
+
+  describe('key generation', () => {
+    it('should handle different task ID types', () => {
+      const cache = new SimulationCache();
+      const config = { last_run: 100 };
+
+      cache.set(123, config);
+      cache.set('123', config);
+      cache.set(123n, config);
+
+      expect(cache.cache.size).toBe(3);
+    });
+  });
+});
\ No newline at end of file
diff --git a/keeper/coverage/coverage-summary.json b/keeper/coverage/coverage-summary.json
index dd5276f..ef1ae37 100644
--- a/keeper/coverage/coverage-summary.json
+++ b/keeper/coverage/coverage-summary.json
@@ -1,8 +1,2 @@
-{"total": {"lines":{"total":384,"covered":350,"skipped":0,"pct":91.14},"statements":{"total":393,"covered":358,"skipped":0,"pct":91.09},"functions":{"total":67,"covered":66,"skipped":0,"pct":98.5},"branches":{"total":235,"covered":196,"skipped":0,"pct":83.4},"branchesTrue":{"total":0,"covered":0,"skipped":0,"pct":"Unknown"}}
-,"C:\\Users\\c-christopher\\Desktop\\soro\\SoroTask\\keeper\\src\\concurrency.js": {"lines":{"total":22,"covered":22,"skipped":0,"pct":100},"functions":{"total":6,"covered":6,"skipped":0,"pct":100},"statements":{"total":22,"covered":22,"skipped":0,"pct":100},"branches":{"total":4,"covered":4,"skipped":0,"pct":100}}
-,"C:\\Users\\c-christopher\\Desktop\\soro\\SoroTask\\keeper\\src\\logger.js": {"lines":{"total":33,"covered":33,"skipped":0,"pct":100},"functions":{"total":18,"covered":18,"skipped":0,"pct":100},"statements":{"total":33,"covered":33,"skipped":0,"pct":100},"branches":{"total":20,"covered":15,"skipped":0,"pct":75}}
-,"C:\\Users\\c-christopher\\Desktop\\soro\\SoroTask\\keeper\\src\\poller.js": {"lines":{"total":117,"covered":95,"skipped":0,"pct":81.19},"functions":{"total":11,"covered":11,"skipped":0,"pct":100},"statements":{"total":118,"covered":96,"skipped":0,"pct":81.35},"branches":{"total":57,"covered":44,"skipped":0,"pct":77.19}}
-,"C:\\Users\\c-christopher\\Desktop\\soro\\SoroTask\\keeper\\src\\queue.js": {"lines":{"total":69,"covered":66,"skipped":0,"pct":95.65},"functions":{"total":7,"covered":6,"skipped":0,"pct":85.71},"statements":{"total":71,"covered":67,"skipped":0,"pct":94.36},"branches":{"total":32,"covered":28,"skipped":0,"pct":87.5}}
-,"C:\\Users\\c-christopher\\Desktop\\soro\\SoroTask\\keeper\\src\\registry.js": {"lines":{"total":72,"covered":64,"skipped":0,"pct":88.88},"functions":{"total":12,"covered":12,"skipped":0,"pct":100},"statements":{"total":74,"covered":66,"skipped":0,"pct":89.18},"branches":{"total":44,"covered":34,"skipped":0,"pct":77.27}}
-,"C:\\Users\\c-christopher\\Desktop\\soro\\SoroTask\\keeper\\src\\retry.js": {"lines":{"total":71,"covered":70,"skipped":0,"pct":98.59},"functions":{"total":13,"covered":13,"skipped":0,"pct":100},"statements":{"total":75,"covered":74,"skipped":0,"pct":98.66},"branches":{"total":78,"covered":71,"skipped":0,"pct":91.02}}
+{"total": {"lines":{"total":0,"covered":0,"skipped":0,"pct":"Unknown"},"statements":{"total":0,"covered":0,"skipped":0,"pct":"Unknown"},"functions":{"total":0,"covered":0,"skipped":0,"pct":"Unknown"},"branches":{"total":0,"covered":0,"skipped":0,"pct":"Unknown"},"branchesTrue":{"total":0,"covered":0,"skipped":0,"pct":"Unknown"}}
 }
diff --git a/keeper/coverage/lcov-report/index.html b/keeper/coverage/lcov-report/index.html
index dc7fdf7..6d0fa42 100644
--- a/keeper/coverage/lcov-report/index.html
+++ b/keeper/coverage/lcov-report/index.html
@@ -23,30 +23,30 @@ <h1>All files</h1>
         <div class='clearfix'>
             
             <div class='fl pad1y space-right2'>
-                <span class="strong">91.09% </span>
+                <span class="strong">Unknown% </span>
                 <span class="quiet">Statements</span>
-                <span class='fraction'>358/393</span>
+                <span class='fraction'>0/0</span>
             </div>
         
             
             <div class='fl pad1y space-right2'>
-                <span class="strong">83.4% </span>
+                <span class="strong">Unknown% </span>
                 <span class="quiet">Branches</span>
-                <span class='fraction'>196/235</span>
+                <span class='fraction'>0/0</span>
             </div>
         
             
             <div class='fl pad1y space-right2'>
-                <span class="strong">0% </span>
+                <span class="strong">Unknown% </span>
                 <span class="quiet">Functions</span>
-                <span class='fraction'>0/79</span>
+                <span class='fraction'>0/0</span>
             </div>
         
             
             <div class='fl pad1y space-right2'>
-                <span class="strong">91.14% </span>
+                <span class="strong">Unknown% </span>
                 <span class="quiet">Lines</span>
-                <span class='fraction'>350/384</span>
+                <span class='fraction'>0/0</span>
             </div>
         
             
@@ -61,7 +61,7 @@ <h1>All files</h1>
             </div>
         </template>
     </div>
-    <div class='status-line low'></div>
+    <div class='status-line medium'></div>
     <div class="pad1">
 <table class="coverage-summary">
 <thead>
@@ -78,97 +78,7 @@ <h1>All files</h1>
    <th data-col="lines_raw" data-type="number" data-fmt="html" class="abs"></th>
 </tr>
 </thead>
-<tbody><tr>
-	<td class="file low" data-value="concurrency.js"><a href="concurrency.js.html">concurrency.js</a></td>
-	<td data-value="0" class="pic low">
-	<div class="chart"><div class="cover-fill" style="width: 0%"></div><div class="cover-empty" style="width: 100%"></div></div>
-	</td>
-	<td data-value="0" class="pct low">0%</td>
-	<td data-value="51" class="abs low">0/51</td>
-	<td data-value="0" class="pct low">0%</td>
-	<td data-value="26" class="abs low">0/26</td>
-	<td data-value="0" class="pct low">0%</td>
-	<td data-value="8" class="abs low">0/8</td>
-	<td data-value="0" class="pct low">0%</td>
-	<td data-value="50" class="abs low">0/50</td>
-	</tr>
-
-<tr>
-	<td class="file low" data-value="logger.js"><a href="logger.js.html">logger.js</a></td>
-	<td data-value="0" class="pic low">
-	<div class="chart"><div class="cover-fill" style="width: 0%"></div><div class="cover-empty" style="width: 100%"></div></div>
-	</td>
-	<td data-value="0" class="pct low">0%</td>
-	<td data-value="33" class="abs low">0/33</td>
-	<td data-value="0" class="pct low">0%</td>
-	<td data-value="20" class="abs low">0/20</td>
-	<td data-value="0" class="pct low">0%</td>
-	<td data-value="18" class="abs low">0/18</td>
-	<td data-value="0" class="pct low">0%</td>
-	<td data-value="33" class="abs low">0/33</td>
-	</tr>
-
-<tr>
-	<td class="file low" data-value="poller.js"><a href="poller.js.html">poller.js</a></td>
-	<td data-value="0" class="pic low">
-	<div class="chart"><div class="cover-fill" style="width: 0%"></div><div class="cover-empty" style="width: 100%"></div></div>
-	</td>
-	<td data-value="0" class="pct low">0%</td>
-	<td data-value="122" class="abs low">0/122</td>
-	<td data-value="0" class="pct low">0%</td>
-	<td data-value="62" class="abs low">0/62</td>
-	<td data-value="0" class="pct low">0%</td>
-	<td data-value="12" class="abs low">0/12</td>
-	<td data-value="0" class="pct low">0%</td>
-	<td data-value="121" class="abs low">0/121</td>
-	</tr>
-
-<tr>
-	<td class="file high" data-value="queue.js"><a href="queue.js.html">queue.js</a></td>
-	<td data-value="94.36" class="pic high">
-	<div class="chart"><div class="cover-fill" style="width: 94%"></div><div class="cover-empty" style="width: 6%"></div></div>
-	</td>
-	<td data-value="94.36" class="pct high">94.36%</td>
-	<td data-value="71" class="abs high">67/71</td>
-	<td data-value="87.5" class="pct high">87.5%</td>
-	<td data-value="32" class="abs high">28/32</td>
-	<td data-value="85.71" class="pct high">85.71%</td>
-	<td data-value="7" class="abs high">6/7</td>
-	<td data-value="95.65" class="pct high">95.65%</td>
-	<td data-value="69" class="abs high">66/69</td>
-	</tr>
-
-<tr>
-	<td class="file low" data-value="registry.js"><a href="registry.js.html">registry.js</a></td>
-	<td data-value="0" class="pic low">
-	<div class="chart"><div class="cover-fill" style="width: 0%"></div><div class="cover-empty" style="width: 100%"></div></div>
-	</td>
-	<td data-value="0" class="pct low">0%</td>
-	<td data-value="74" class="abs low">0/74</td>
-	<td data-value="0" class="pct low">0%</td>
-	<td data-value="44" class="abs low">0/44</td>
-	<td data-value="0" class="pct low">0%</td>
-	<td data-value="12" class="abs low">0/12</td>
-	<td data-value="0" class="pct low">0%</td>
-	<td data-value="72" class="abs low">0/72</td>
-	</tr>
-
-<tr>
-	<td class="file high" data-value="retry.js"><a href="retry.js.html">retry.js</a></td>
-	<td data-value="98.66" class="pic high">
-	<div class="chart"><div class="cover-fill" style="width: 98%"></div><div class="cover-empty" style="width: 2%"></div></div>
-	</td>
-	<td data-value="98.66" class="pct high">98.66%</td>
-	<td data-value="75" class="abs high">74/75</td>
-	<td data-value="91.02" class="pct high">91.02%</td>
-	<td data-value="78" class="abs high">71/78</td>
-	<td data-value="100" class="pct high">100%</td>
-	<td data-value="13" class="abs high">13/13</td>
-	<td data-value="98.59" class="pct high">98.59%</td>
-	<td data-value="71" class="abs high">70/71</td>
-	</tr>
-
-</tbody>
+<tbody></tbody>
 </table>
 </div>
                 <div class='push'></div><!-- for sticky footer -->
@@ -176,7 +86,7 @@ <h1>All files</h1>
             <div class='footer quiet pad2 space-top1 center small'>
                 Code coverage generated by
                 <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a>
-                at 2026-04-26T18:30:56.429Z
+                at 2026-04-29T03:30:00.602Z
             </div>
         <script src="prettify.js"></script>
         <script>
diff --git a/keeper/coverage/lcov.info b/keeper/coverage/lcov.info
index 42b121c..e69de29 100644
--- a/keeper/coverage/lcov.info
+++ b/keeper/coverage/lcov.info
@@ -1,818 +0,0 @@
-TN:
-SF:src/concurrency.js
-FN:1,createConcurrencyLimit
-FN:7,(anonymous_1)
-FN:18,(anonymous_2)
-FN:24,(anonymous_3)
-FN:25,(anonymous_4)
-FN:30,(anonymous_5)
-FNF:6
-FNH:6
-FNDA:66,createConcurrencyLimit
-FNDA:126,(anonymous_1)
-FNDA:62,(anonymous_2)
-FNDA:64,(anonymous_3)
-FNDA:64,(anonymous_4)
-FNDA:39,(anonymous_5)
-DA:2,66
-DA:3,66
-DA:4,66
-DA:5,66
-DA:7,66
-DA:8,126
-DA:9,64
-DA:12,62
-DA:13,62
-DA:15,62
-DA:19,62
-DA:20,62
-DA:24,66
-DA:25,64
-DA:26,64
-DA:27,64
-DA:30,66
-DA:31,39
-DA:32,2
-DA:33,2
-DA:37,66
-DA:40,3
-LF:22
-LH:22
-BRDA:8,0,0,64
-BRDA:8,0,1,62
-BRDA:8,1,0,126
-BRDA:8,1,1,117
-BRF:4
-BRH:0
-end_of_record
-TN:
-SF:src/logger.js
-FN:34,normalizeLogLevel
-FN:38,shouldUsePrettyTransport
-FN:48,createBaseLogger
-FN:60,(anonymous_3)
-FN:67,(anonymous_4)
-FN:72,(anonymous_5)
-FN:104,getBaseLogger
-FN:122,createLogger
-FN:130,(anonymous_8)
-FN:133,(anonymous_9)
-FN:136,(anonymous_10)
-FN:139,(anonymous_11)
-FN:142,(anonymous_12)
-FN:145,(anonymous_13)
-FN:158,createChildLogger
-FN:168,reinitializeLogger
-FN:177,getLogLevel
-FN:185,setLogLevel
-FNF:18
-FNH:18
-FNDA:27,normalizeLogLevel
-FNDA:50,shouldUsePrettyTransport
-FNDA:25,createBaseLogger
-FNDA:25,(anonymous_3)
-FNDA:150,(anonymous_4)
-FNDA:71,(anonymous_5)
-FNDA:70,getBaseLogger
-FNDA:62,createLogger
-FNDA:1,(anonymous_8)
-FNDA:1,(anonymous_9)
-FNDA:40,(anonymous_10)
-FNDA:5,(anonymous_11)
-FNDA:5,(anonymous_12)
-FNDA:1,(anonymous_13)
-FNDA:1,createChildLogger
-FNDA:2,reinitializeLogger
-FNDA:3,getLogLevel
-FNDA:1,setLogLevel
-DA:14,25
-DA:20,25
-DA:32,25
-DA:35,27
-DA:39,50
-DA:49,25
-DA:61,25
-DA:68,150
-DA:72,71
-DA:80,25
-DA:81,1
-DA:92,25
-DA:93,25
-DA:94,25
-DA:98,25
-DA:105,70
-DA:106,23
-DA:108,70
-DA:123,62
-DA:126,62
-DA:129,62
-DA:131,1
-DA:134,1
-DA:137,40
-DA:140,5
-DA:143,5
-DA:146,1
-DA:159,1
-DA:169,2
-DA:170,2
-DA:178,3
-DA:186,1
-DA:190,25
-LF:33
-LH:33
-BRDA:35,0,0,4
-BRDA:35,0,1,23
-BRDA:48,1,0,23
-BRDA:80,2,0,1
-BRDA:80,2,1,24
-BRDA:81,3,0,1
-BRDA:81,3,1,1
-BRDA:92,4,0,1
-BRDA:92,4,1,24
-BRDA:93,5,0,1
-BRDA:93,5,1,24
-BRDA:105,6,0,23
-BRDA:105,6,1,47
-BRDA:130,7,0,0
-BRDA:133,8,0,0
-BRDA:136,9,0,0
-BRDA:139,10,0,0
-BRDA:142,11,0,0
-BRDA:145,12,0,0
-BRDA:168,13,0,0
-BRF:20
-BRH:0
-end_of_record
-TN:
-SF:src/poller.js
-FN:11,(anonymous_0)
-FN:35,(anonymous_1)
-FN:58,(anonymous_2)
-FN:81,(anonymous_3)
-FN:82,(anonymous_4)
-FN:90,(anonymous_5)
-FN:127,(anonymous_6)
-FN:172,(anonymous_7)
-FN:227,(anonymous_8)
-FN:255,(anonymous_9)
-FN:303,(anonymous_10)
-FN:318,(anonymous_11)
-FNF:12
-FNH:0
-FNDA:0,(anonymous_0)
-FNDA:0,(anonymous_1)
-FNDA:0,(anonymous_2)
-FNDA:0,(anonymous_3)
-FNDA:0,(anonymous_4)
-FNDA:0,(anonymous_5)
-FNDA:0,(anonymous_6)
-FNDA:0,(anonymous_7)
-FNDA:0,(anonymous_8)
-FNDA:0,(anonymous_9)
-FNDA:0,(anonymous_10)
-FNDA:0,(anonymous_11)
-DA:1,0
-DA:2,0
-DA:3,0
-DA:12,0
-DA:13,0
-DA:16,0
-DA:17,0
-DA:20,0
-DA:24,0
-DA:30,0
-DA:36,0
-DA:37,0
-DA:43,0
-DA:59,0
-DA:60,0
-DA:61,0
-DA:62,0
-DA:63,0
-DA:64,0
-DA:66,0
-DA:67,0
-DA:68,0
-DA:71,0
-DA:73,0
-DA:74,0
-DA:78,0
-DA:81,0
-DA:82,0
-DA:85,0
-DA:88,0
-DA:90,0
-DA:91,0
-DA:92,0
-DA:94,0
-DA:95,0
-DA:96,0
-DA:97,0
-DA:98,0
-DA:101,0
-DA:102,0
-DA:103,0
-DA:104,0
-DA:108,0
-DA:109,0
-DA:111,0
-DA:114,0
-DA:115,0
-DA:116,0
-DA:128,0
-DA:130,0
-DA:132,0
-DA:133,0
-DA:134,0
-DA:138,0
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-DA:140,0
-DA:144,0
-DA:145,0
-DA:147,0
-DA:148,0
-DA:157,0
-DA:160,0
-DA:161,0
-DA:173,0
-DA:174,0
-DA:177,0
-DA:183,0
-DA:188,0
-DA:196,0
-DA:198,0
-DA:199,0
-DA:202,0
-DA:204,0
-DA:205,0
-DA:209,0
-DA:210,0
-DA:214,0
-DA:215,0
-DA:217,0
-DA:228,0
-DA:230,0
-DA:231,0
-DA:235,0
-DA:236,0
-DA:237,0
-DA:238,0
-DA:239,0
-DA:242,0
-DA:246,0
-DA:247,0
-DA:248,0
-DA:251,0
-DA:252,0
-DA:255,0
-DA:256,0
-DA:257,0
-DA:259,0
-DA:261,0
-DA:262,0
-DA:264,0
-DA:265,0
-DA:267,0
-DA:268,0
-DA:270,0
-DA:271,0
-DA:273,0
-DA:274,0
-DA:276,0
-DA:277,0
-DA:279,0
-DA:280,0
-DA:282,0
-DA:283,0
-DA:285,0
-DA:286,0
-DA:290,0
-DA:293,0
-DA:294,0
-DA:304,0
-DA:319,0
-DA:323,0
-LF:121
-LH:0
-BRDA:11,0,0,0
-BRDA:16,1,0,0
-BRDA:16,1,1,0
-BRDA:21,2,0,0
-BRDA:21,2,1,0
-BRDA:21,2,2,0
-BRDA:25,3,0,0
-BRDA:25,3,1,0
-BRDA:25,3,2,0
-BRDA:36,4,0,0
-BRDA:36,4,1,0
-BRDA:66,5,0,0
-BRDA:66,5,1,0
-BRDA:66,6,0,0
-BRDA:66,6,1,0
-BRDA:91,7,0,0
-BRDA:91,7,1,0
-BRDA:91,8,0,0
-BRDA:91,8,1,0
-BRDA:94,9,0,0
-BRDA:94,9,1,0
-BRDA:97,10,0,0
-BRDA:97,10,1,0
-BRDA:102,11,0,0
-BRDA:102,11,1,0
-BRDA:104,12,0,0
-BRDA:104,12,1,0
-BRDA:132,13,0,0
-BRDA:132,13,1,0
-BRDA:138,14,0,0
-BRDA:138,14,1,0
-BRDA:147,15,0,0
-BRDA:147,15,1,0
-BRDA:190,16,0,0
-BRDA:190,16,1,0
-BRDA:198,17,0,0
-BRDA:198,17,1,0
-BRDA:198,18,0,0
-BRDA:198,18,1,0
-BRDA:204,19,0,0
-BRDA:204,19,1,0
-BRDA:214,20,0,0
-BRDA:214,20,1,0
-BRDA:214,21,0,0
-BRDA:214,21,1,0
-BRDA:230,22,0,0
-BRDA:230,22,1,0
-BRDA:236,23,0,0
-BRDA:236,23,1,0
-BRDA:238,24,0,0
-BRDA:238,24,1,0
-BRDA:246,25,0,0
-BRDA:246,25,1,0
-BRDA:259,26,0,0
-BRDA:259,26,1,0
-BRDA:259,26,2,0
-BRDA:259,26,3,0
-BRDA:259,26,4,0
-BRDA:259,26,5,0
-BRDA:259,26,6,0
-BRDA:259,26,7,0
-BRDA:259,26,8,0
-BRF:62
-BRH:0
-end_of_record
-TN:
-SF:src\queue.js
-FN:5,(anonymous_0)
-FN:26,(anonymous_1)
-FN:27,(anonymous_2)
-FN:38,(anonymous_3)
-FN:39,(anonymous_4)
-FN:126,(anonymous_5)
-FN:135,(anonymous_6)
-FNF:7
-FNH:6
-FNDA:40,(anonymous_0)
-FNDA:23,(anonymous_1)
-FNDA:43,(anonymous_2)
-FNDA:42,(anonymous_3)
-FNDA:40,(anonymous_4)
-FNDA:39,(anonymous_5)
-FNDA:0,(anonymous_6)
-DA:1,2
-DA:2,2
-DA:6,40
-DA:8,40
-DA:13,40
-DA:14,40
-DA:15,40
-DA:17,40
-DA:18,40
-DA:19,40
-DA:20,40
-DA:22,40
-DA:23,40
-DA:27,43
-DA:29,23
-DA:32,23
-DA:33,4
-DA:36,23
-DA:38,23
-DA:39,42
-DA:40,40
-DA:42,40
-DA:43,2
-DA:44,2
-DA:45,1
-DA:46,0
-DA:48,1
-DA:52,1
-DA:54,1
-DA:57,39
-DA:58,39
-DA:60,39
-DA:61,1
-DA:63,38
-DA:66,39
-DA:67,39
-DA:68,1
-DA:70,38
-DA:72,34
-DA:73,34
-DA:74,4
-DA:76,34
-DA:77,1
-DA:81,34
-DA:83,5
-DA:84,5
-DA:85,5
-DA:86,1
-DA:88,5
-DA:89,0
-DA:94,5
-DA:96,39
-DA:101,23
-DA:103,23
-DA:104,23
-DA:108,23
-DA:109,23
-DA:110,1
-DA:113,23
-DA:120,23
-DA:121,23
-DA:122,23
-DA:127,39
-DA:128,39
-DA:130,39
-DA:131,3
-DA:134,39
-DA:135,0
-DA:140,2
-LF:69
-LH:66
-BRDA:5,0,0,38
-BRDA:9,1,0,40
-BRDA:9,1,1,29
-BRDA:9,1,2,28
-BRDA:15,2,0,40
-BRDA:15,2,1,38
-BRDA:32,3,0,4
-BRDA:32,3,1,19
-BRDA:42,4,0,2
-BRDA:42,4,1,38
-BRDA:44,5,0,1
-BRDA:44,5,1,1
-BRDA:45,6,0,0
-BRDA:45,6,1,1
-BRDA:60,7,0,1
-BRDA:60,7,1,38
-BRDA:67,8,0,1
-BRDA:67,8,1,38
-BRDA:73,9,0,4
-BRDA:73,9,1,30
-BRDA:76,10,0,1
-BRDA:76,10,1,33
-BRDA:85,11,0,1
-BRDA:85,11,1,4
-BRDA:88,12,0,0
-BRDA:88,12,1,5
-BRDA:91,13,0,0
-BRDA:91,13,1,0
-BRDA:109,14,0,1
-BRDA:109,14,1,22
-BRDA:130,15,0,3
-BRDA:130,15,1,36
-BRF:32
-BRH:28
-end_of_record
-TN:
-SF:src/registry.js
-FN:10,(anonymous_0)
-FN:24,(anonymous_1)
-FN:34,(anonymous_2)
-FN:42,(anonymous_3)
-FN:43,(anonymous_4)
-FN:48,(anonymous_5)
-FN:125,(anonymous_6)
-FN:145,(anonymous_7)
-FN:151,(anonymous_8)
-FN:156,(anonymous_9)
-FN:168,(anonymous_10)
-FN:171,(anonymous_11)
-FNF:12
-FNH:12
-FNDA:15,(anonymous_0)
-FNDA:14,(anonymous_1)
-FNDA:2,(anonymous_2)
-FNDA:16,(anonymous_3)
-FNDA:10,(anonymous_4)
-FNDA:16,(anonymous_5)
-FNDA:19,(anonymous_6)
-FNDA:15,(anonymous_7)
-FNDA:15,(anonymous_8)
-FNDA:2,(anonymous_9)
-FNDA:14,(anonymous_10)
-FNDA:8,(anonymous_11)
-DA:1,2
-DA:2,2
-DA:3,2
-DA:4,2
-DA:6,2
-DA:7,2
-DA:11,15
-DA:12,15
-DA:13,15
-DA:14,15
-DA:15,15
-DA:16,15
-DA:17,15
-DA:25,14
-DA:26,14
-DA:27,14
-DA:35,2
-DA:43,16
-DA:49,16
-DA:51,16
-DA:52,1
-DA:54,1
-DA:57,16
-DA:60,16
-DA:61,16
-DA:63,16
-DA:64,16
-DA:78,16
-DA:79,0
-DA:80,0
-DA:83,0
-DA:85,0
-DA:86,0
-DA:87,0
-DA:90,0
-DA:91,0
-DA:92,0
-DA:93,0
-DA:94,0
-DA:95,0
-DA:98,0
-DA:102,0
-DA:103,0
-DA:108,0
-DA:109,0
-DA:111,0
-DA:115,0
-DA:118,0
-DA:128,0
-DA:129,0
-DA:132,0
-DA:135,0
-DA:138,0
-DA:139,0
-DA:142,0
-DA:146,0
-DA:147,0
-DA:152,0
-DA:153,0
-DA:154,0
-DA:155,0
-DA:156,0
-DA:158,0
-DA:159,0
-DA:161,0
-DA:164,0
-DA:169,14
-DA:170,14
-DA:171,8
-DA:175,14
-DA:177,0
-DA:182,0
-LF:72
-LH:0
-BRDA:10,0,0,0
-BRDA:14,1,0,0
-BRDA:14,1,1,0
-BRDA:15,2,0,0
-BRDA:15,2,1,0
-BRDA:51,3,0,0
-BRDA:51,3,1,0
-BRDA:65,4,0,0
-BRDA:65,4,1,0
-BRDA:78,5,0,0
-BRDA:78,5,1,0
-BRDA:85,6,0,0
-BRDA:85,6,1,0
-BRDA:85,7,0,0
-BRDA:85,7,1,0
-BRDA:85,7,2,0
-BRDA:93,8,0,0
-BRDA:93,8,1,0
-BRDA:93,9,0,0
-BRDA:93,9,1,0
-BRDA:102,10,0,0
-BRDA:102,10,1,0
-BRDA:102,11,0,0
-BRDA:102,11,1,0
-BRDA:108,12,0,0
-BRDA:108,12,1,0
-BRDA:111,13,0,0
-BRDA:111,13,1,0
-BRDA:128,14,0,0
-BRDA:128,14,1,0
-BRDA:128,15,0,0
-BRDA:128,15,1,0
-BRDA:138,16,0,0
-BRDA:138,16,1,0
-BRDA:146,17,0,0
-BRDA:146,17,1,0
-BRDA:153,18,0,0
-BRDA:153,18,1,0
-BRDA:155,19,0,0
-BRDA:155,19,1,0
-BRDA:158,20,0,0
-BRDA:158,20,1,0
-BRDA:158,21,0,0
-BRDA:158,21,1,0
-BRF:44
-BRH:0
-end_of_record
-TN:
-SF:src\retry.js
-FN:65,extractErrorCode
-FN:103,classifyError
-FN:115,(anonymous_2)
-FN:127,(anonymous_3)
-FN:137,(anonymous_4)
-FN:165,calculateDelay
-FN:177,sleep
-FN:178,(anonymous_7)
-FN:198,withRetry
-FN:308,retry
-FN:313,(anonymous_10)
-FN:320,isRetryableError
-FN:328,isDuplicateTransactionError
-FNF:13
-FNH:13
-FNDA:98,extractErrorCode
-FNDA:54,classifyError
-FNDA:148,(anonymous_2)
-FNDA:559,(anonymous_3)
-FNDA:125,(anonymous_4)
-FNDA:27,calculateDelay
-FNDA:27,sleep
-FNDA:27,(anonymous_7)
-FNDA:24,withRetry
-FNDA:2,retry
-FNDA:2,(anonymous_10)
-FNDA:7,isRetryableError
-FNDA:4,isDuplicateTransactionError
-DA:4,2
-DA:14,2
-DA:34,2
-DA:54,2
-DA:66,98
-DA:68,97
-DA:69,5
-DA:72,92
-DA:73,2
-DA:76,90
-DA:77,2
-DA:80,88
-DA:81,2
-DA:84,2
-DA:90,2
-DA:91,8
-DA:95,87
-DA:104,54
-DA:106,53
-DA:108,53
-DA:109,53
-DA:113,53
-DA:116,148
-DA:122,6
-DA:125,47
-DA:128,559
-DA:132,9
-DA:135,38
-DA:138,125
-DA:142,33
-DA:145,5
-DA:152,3
-DA:155,2
-DA:166,27
-DA:167,27
-DA:168,27
-DA:169,27
-DA:178,27
-DA:181,2
-DA:199,24
-DA:201,24
-DA:203,24
-DA:204,51
-DA:205,51
-DA:206,12
-DA:213,39
-DA:214,39
-DA:215,39
-DA:221,39
-DA:222,3
-DA:223,1
-DA:225,3
-DA:235,36
-DA:236,4
-DA:247,32
-DA:251,1
-DA:262,31
-DA:263,4
-DA:264,1
-DA:266,4
-DA:277,27
-DA:278,27
-DA:279,9
-DA:281,27
-DA:282,27
-DA:286,0
-DA:309,2
-DA:313,2
-DA:321,7
-DA:329,4
-DA:332,2
-LF:71
-LH:70
-BRDA:66,0,0,1
-BRDA:66,0,1,97
-BRDA:68,1,0,5
-BRDA:68,1,1,92
-BRDA:68,2,0,97
-BRDA:68,2,1,5
-BRDA:72,3,0,2
-BRDA:72,3,1,90
-BRDA:72,4,0,92
-BRDA:72,4,1,2
-BRDA:76,5,0,2
-BRDA:76,5,1,88
-BRDA:76,6,0,90
-BRDA:76,6,1,2
-BRDA:80,7,0,2
-BRDA:80,7,1,86
-BRDA:81,8,0,2
-BRDA:81,8,1,0
-BRDA:91,9,0,1
-BRDA:91,9,1,7
-BRDA:104,10,0,1
-BRDA:104,10,1,53
-BRDA:108,11,0,5
-BRDA:108,11,1,48
-BRDA:110,12,0,53
-BRDA:110,12,1,3
-BRDA:110,12,2,3
-BRDA:110,12,3,3
-BRDA:113,13,0,6
-BRDA:113,13,1,47
-BRDA:116,14,0,148
-BRDA:116,14,1,147
-BRDA:116,14,2,143
-BRDA:116,14,3,143
-BRDA:125,15,0,9
-BRDA:125,15,1,38
-BRDA:128,16,0,559
-BRDA:128,16,1,557
-BRDA:135,17,0,33
-BRDA:135,17,1,5
-BRDA:138,18,0,125
-BRDA:138,18,1,124
-BRDA:145,19,0,3
-BRDA:145,19,1,2
-BRDA:146,20,0,5
-BRDA:146,20,1,5
-BRDA:146,20,2,4
-BRDA:146,20,3,4
-BRDA:146,20,4,3
-BRDA:182,21,0,2
-BRDA:182,21,1,1
-BRDA:183,22,0,2
-BRDA:183,22,1,2
-BRDA:184,23,0,2
-BRDA:184,23,1,2
-BRDA:198,24,0,0
-BRDA:218,25,0,39
-BRDA:218,25,1,0
-BRDA:221,26,0,3
-BRDA:221,26,1,36
-BRDA:222,27,0,1
-BRDA:222,27,1,2
-BRDA:235,28,0,4
-BRDA:235,28,1,32
-BRDA:247,29,0,1
-BRDA:247,29,1,31
-BRDA:248,30,0,32
-BRDA:248,30,1,2
-BRDA:262,31,0,4
-BRDA:262,31,1,27
-BRDA:263,32,0,1
-BRDA:263,32,1,3
-BRDA:278,33,0,9
-BRDA:278,33,1,18
-BRDA:296,34,0,0
-BRDA:296,34,1,0
-BRDA:308,35,0,0
-BRDA:308,36,0,0
-BRF:78
-BRH:71
-end_of_record
diff --git a/keeper/index.js b/keeper/index.js
index bb4c8d9..98fabf4 100644
--- a/keeper/index.js
+++ b/keeper/index.js
@@ -118,6 +118,8 @@ async function main() {
   const poller = new TaskPoller(server, config.contractId, {
     maxConcurrentReads: process.env.MAX_CONCURRENT_READS,
     logger: createLogger("poller"),
+    simulationCacheTtl: process.env.SIMULATION_CACHE_TTL,
+    simulationCacheMaxSize: process.env.SIMULATION_CACHE_MAX_SIZE,
     metricsServer,
     historyManager,
     shardLabel: shardConfig.shardLabel,
@@ -137,12 +139,14 @@ async function main() {
       attemptId: context?.attemptId || null,
     }),
   );
-  queue.on("task:success", (taskId) =>
-    queueLogger.info("Task executed successfully", { taskId }),
-  );
-  queue.on("task:failed", (taskId, err) =>
-    queueLogger.error("Task failed", { taskId, error: err.message }),
-  );
+  queue.on("task:success", (taskId) => {
+    queueLogger.info("Task executed successfully", { taskId });
+    poller.invalidateCache(taskId);
+  });
+  queue.on("task:failed", (taskId, err) => {
+    queueLogger.error("Task failed", { taskId, error: err.message });
+    poller.invalidateCache(taskId);
+  });
   queue.on("task:skipped", (taskId, context) =>
     queueLogger.info("Skipped duplicate execution attempt", {
       taskId,
diff --git a/keeper/src/poller.js b/keeper/src/poller.js
index 497fb37..81b384e 100644
--- a/keeper/src/poller.js
+++ b/keeper/src/poller.js
@@ -1,6 +1,7 @@
 const { Contract, xdr, TransactionBuilder, BASE_FEE, Networks, scValToNative } = require('@stellar/stellar-sdk');
 const { createRateLimiter } = require('./concurrency');
 const { createLogger } = require('./logger');
+const { SimulationCache } = require('./simulationCache');
 const crypto = require('crypto');
 
 /**
@@ -68,6 +69,15 @@ class TaskPoller {
       cycleDurationMs: 0,
       errors: 0,
     };
+
+    // Cache for simulation results to avoid redundant RPC calls
+    this.simulationCache = new SimulationCache({
+      ttlSeconds: parseInt(options.simulationCacheTtl || '30', 10),
+      maxSize: parseInt(options.simulationCacheMaxSize || '1000', 10),
+    });
+
+    // Track cache stats for metrics
+    this.statsCacheHitRate = 0;
   }
 
   /**
@@ -233,8 +243,21 @@ class TaskPoller {
       : this.logger;
 
     try {
-      // Read task configuration from contract using view call
-      const taskConfig = await this.getTaskConfig(taskId);
+      // Check cache first for task configuration
+      const cachedConfig = this.simulationCache.get(taskId);
+      let taskConfig;
+
+      if (cachedConfig) {
+        taskConfig = cachedConfig;
+      } else {
+        // Read task configuration from contract using view call
+        taskConfig = await this.getTaskConfig(taskId);
+
+        // Cache the result for future polls
+        if (taskConfig) {
+          this.simulationCache.set(taskId, taskConfig);
+        }
+      }
 
       if (!taskConfig) {
         taskLogger.warn('Task not found (may have been deregistered)', { taskId });
@@ -546,6 +569,42 @@ class TaskPoller {
   getCycleInsights() {
     return { ...this.lastCycleInsights };
   }
+
+  /**
+   * Invalidate cached simulation data for one or more tasks.
+   * Call this after a task is executed to ensure fresh data on next poll.
+   *
+   * @param {number|number[]} taskIds - Task ID(s) to invalidate
+   * @returns {number} Number of entries invalidated
+   */
+  invalidateCache(taskIds) {
+    const ids = Array.isArray(taskIds) ? taskIds : [taskIds];
+    return this.simulationCache.invalidateAll(ids);
+  }
+
+  /**
+   * Get simulation cache statistics.
+   *
+   * @returns {Object} Cache stats including hit rate
+   */
+  getCacheStats() {
+    return this.simulationCache.getStats();
+  }
+
+  /**
+   * Enable or disable simulation caching.
+   * Useful for debugging or specific scenarios.
+   *
+   * @param {boolean} enabled
+   */
+  setCacheEnabled(enabled) {
+    if (!enabled) {
+      this.simulationCache.clear();
+      this.logger.info('Simulation cache disabled and cleared');
+    } else {
+      this.logger.info('Simulation cache enabled');
+    }
+  }
 }
 
 module.exports = TaskPoller;
diff --git a/keeper/src/simulationCache.js b/keeper/src/simulationCache.js
new file mode 100644
index 0000000..42281f3
--- /dev/null
+++ b/keeper/src/simulationCache.js
@@ -0,0 +1,148 @@
+let logger;
+try {
+  const loggerModule = require('./logger');
+  logger = loggerModule?.createLogger?.('simulation-cache') || console;
+} catch (e) {
+  logger = {
+    debug: () => {},
+    info: () => {},
+    warn: () => {},
+    error: () => {},
+  };
+}
+
+const DEFAULT_TTL_SECONDS = 30;
+const MAX_CACHE_SIZE = 1000;
+
+class SimulationCache {
+  constructor(options = {}) {
+    this.ttlSeconds = options.ttlSeconds ?? DEFAULT_TTL_SECONDS;
+    this.maxSize = options.maxSize ?? MAX_CACHE_SIZE;
+    this.cache = new Map();
+    this.hits = 0;
+    this.misses = 0;
+  }
+
+  _makeKey(taskId) {
+    return `task:${taskId}`;
+  }
+
+  _isExpired(entry) {
+    return Date.now() - entry.cachedAt > this.ttlSeconds * 1000;
+  }
+
+  get(taskId) {
+    const key = this._makeKey(taskId);
+    const entry = this.cache.get(key);
+
+    if (!entry) {
+      this.misses++;
+      return null;
+    }
+
+    if (this._isExpired(entry)) {
+      this.cache.delete(key);
+      this.misses++;
+      logger.debug('Cache miss (expired)', { taskId });
+      return null;
+    }
+
+    this.hits++;
+    logger.debug('Cache hit', { taskId });
+    return entry.value;
+  }
+
+  set(taskId, value) {
+    if (this.cache.size >= this.maxSize && this.cache.size > 0) {
+      this._evictOldest();
+    }
+
+    const key = this._makeKey(taskId);
+    this.cache.set(key, {
+      value,
+      cachedAt: Date.now(),
+    });
+
+    logger.debug('Cached simulation result', { taskId });
+  }
+
+  invalidate(taskId) {
+    const key = this._makeKey(taskId);
+    const existed = this.cache.has(key);
+    this.cache.delete(key);
+
+    if (existed) {
+      logger.debug('Invalidated cache entry', { taskId });
+    }
+
+    return existed;
+  }
+
+  invalidateAll(taskIds) {
+    let count = 0;
+    for (const taskId of taskIds) {
+      if (this.invalidate(taskId)) {
+        count++;
+      }
+    }
+    logger.debug('Bulk invalidation', { count, total: taskIds.length });
+    return count;
+  }
+
+  _evictOldest() {
+    let oldestKey = null;
+    let oldestTime = Infinity;
+
+    for (const [key, entry] of this.cache) {
+      if (entry.cachedAt < oldestTime) {
+        oldestTime = entry.cachedAt;
+        oldestKey = key;
+      }
+    }
+
+    if (oldestKey) {
+      this.cache.delete(oldestKey);
+      logger.debug('Evicted oldest cache entry', { key: oldestKey });
+    }
+  }
+
+  clear() {
+    const size = this.cache.size;
+    this.cache.clear();
+    this.hits = 0;
+    this.misses = 0;
+    logger.info('Cache cleared', { entriesRemoved: size });
+  }
+
+  getStats() {
+    const total = this.hits + this.misses;
+    const hitRate = total > 0 ? (this.hits / total) * 100 : 0;
+
+    return {
+      size: this.cache.size,
+      hits: this.hits,
+      misses: this.misses,
+      hitRatePercent: Math.round(hitRate * 10) / 10,
+      ttlSeconds: this.ttlSeconds,
+    };
+  }
+
+  cleanup() {
+    let removed = 0;
+
+    for (const [key, entry] of this.cache) {
+      if (this._isExpired(entry)) {
+        this.cache.delete(key);
+        removed++;
+      }
+    }
+
+    if (removed > 0) {
+      logger.debug('Cleanup removed expired entries', { removed });
+    }
+
+    return removed;
+  }
+}
+
+module.exports = { SimulationCache };
\ No newline at end of file