Peers error and supply growth error fixed

server/controllers/BlockchainBlock.ts

@@ -758,7 +758,9 @@ export class BlockchainBlockController {
   /// Block Reward that will be assigned after we change from era 5 to era 6.
   const BASE_REWARD_ERA_6_ONWARDS = 0.15625;
   /// Compute the total reward generated by each block in a given height.
-  if (BlockchainBlockFetchQuery.Height <= BLOCK_ERA_1) {
+  if(BlockchainBlockFetchQuery.Height == 0) {
+    BlockchainBlockFetchQuery['BlockReward'] = 0;
+  }else if (BlockchainBlockFetchQuery.Height <= BLOCK_ERA_1) {
     BlockchainBlockFetchQuery['BlockReward'] = 16;
   } else if (BlockchainBlockFetchQuery.Height <= BLOCK_ERA_2) {
     BlockchainBlockFetchQuery['BlockReward'] = 8;
@@ -1867,23 +1869,34 @@ let remaining_height = 0;
       } else {
         var timeIntervalQry = "timestamp > current_date - interval '30 days'";
       }
+      let DAY_HEIGHT = 1440
+      /// Height of the first epic block emission era
+      const BLOCK_ERA_1 = DAY_HEIGHT * 334;
+      /// Height of the second epic block emission era
+      const BLOCK_ERA_2 = BLOCK_ERA_1 + (DAY_HEIGHT * 470);
+      /// Height of the third epic block emission era
+      const BLOCK_ERA_3 = BLOCK_ERA_2 + (DAY_HEIGHT * 601);
+      /// Height of the fourth epic block emission era
+      const BLOCK_ERA_4 = BLOCK_ERA_3 + (DAY_HEIGHT * 800);
+      /// Height of the fifth epic block emission era
+      const BLOCK_ERA_5 = BLOCK_ERA_4 + (DAY_HEIGHT * 1019);
+      /// After the epic block emission era 6, each era will last 4 years (approximately 1460 days)
+      const BLOCK_ERA_6_ONWARDS = DAY_HEIGHT * 1460;
+      /// Block Reward that will be assigned after we change from era 5 to era 6.
+      const BASE_REWARD_ERA_6_ONWARDS = 0.15625;
       const BlockchainBlockPerSecondQuery = await getConnection()
         .query(
-          'select x.timestamp, SUM(x.reward) as total_reward_per_day \
+          'select x.timestamp, x.height, SUM(x.reward) as total_reward_per_day \
         from (SELECT hash, height, CAST(timestamp AS DATE), \
         CASE \
-            WHEN height <= 1440 THEN 200 \
+            WHEN height <= '+BLOCK_ERA_1+' THEN 16 \
-            WHEN height <= 2880 THEN 180 \
+            WHEN height <= '+BLOCK_ERA_2+' THEN 8 \
-            WHEN height <= 4320 THEN 160 \
+            WHEN height <= '+BLOCK_ERA_3+' THEN 4 \
-            WHEN height <= 5760 THEN 140 \
+            WHEN height <= '+BLOCK_ERA_4+' THEN 2 \
-            WHEN height <= 7200 THEN 120 \
+            WHEN height <= '+BLOCK_ERA_5+' THEN 1 \
-            WHEN height <= 8640 THEN 100 \
+            ELSE '+BASE_REWARD_ERA_6_ONWARDS+' / (1 << ((height - ('+BLOCK_ERA_5+'- 1))/'+BLOCK_ERA_6_ONWARDS+'))\
-            WHEN height <= 10080 THEN 80 \
-            WHEN height <= 11520 THEN 60 \
-            WHEN height <= 12960 THEN 50 \
-            ELSE 25 \
         END AS reward \
-        FROM blockchain_block where ' +
+        FROM blockchain_block where height > 0 AND ' +
           timeIntervalQry +
           ') as x group by x.timestamp Order by x.timestamp ASC',
         )
@@ -1891,6 +1904,28 @@ let remaining_height = 0;
           next(err_msg);
         });
 
+
+       
+  /// Compute the total reward generated by each block in a given height.
+  // if (BlockchainBlockFetchQuery.Height <= BLOCK_ERA_1) {
+  //   BlockchainBlockFetchQuery['BlockReward'] = 16;
+  // } else if (BlockchainBlockFetchQuery.Height <= BLOCK_ERA_2) {
+  //   BlockchainBlockFetchQuery['BlockReward'] = 8;
+  // } else if (BlockchainBlockFetchQuery.Height <= BLOCK_ERA_3) {
+  //   BlockchainBlockFetchQuery['BlockReward'] = 4;
+  // } else if (BlockchainBlockFetchQuery.Height <= BLOCK_ERA_4) {
+  //   BlockchainBlockFetchQuery['BlockReward'] = 2;
+  // } else if (BlockchainBlockFetchQuery.Height <= BLOCK_ERA_5) {
+  //   BlockchainBlockFetchQuery['BlockReward'] = 1;
+  // } else {
+  //   // After the era 6, we reduce the block rewards by half each 1460 days.
+  //   // Minus 1 to include multiples in the same index
+  //   // (i.e changes greater than to greater or equals to)
+  //   let height_with_offset = BlockchainBlockFetchQuery.Height - (BLOCK_ERA_5 - 1);
+  //   let exp = height_with_offset / BLOCK_ERA_6_ONWARDS;
+  //   BlockchainBlockFetchQuery['BlockReward'] = BASE_REWARD_ERA_6_ONWARDS / (1 << exp);
+  // }
+
       let date = [],
         total_reward_per_day = [],
         addedreward = [],

src/app/view/home/latestblocks/latestblocks.component.html

@@ -163,9 +163,11 @@
 </div>
 
 <div class="latest_table mt-3">
-  <h2 class="mb-3 chart_heading px-0 d-inline-block">Peers  <span *ngIf="peers.length > 0" class="txn_count" >{{
+  <h2 class="mb-3 chart_heading px-0 d-inline-block">Peers  
+    <span *ngIf="peers && peers.length > 0" class="txn_count" >{{
       peers.length | number
-    }}</span></h2>
+    }}</span>
+  </h2>
   <div class="mobile_table web_hdng">
 
       <div class="mobile_table peer_table">

src/app/view/home/latestblocks/latestblocks.component.ts

@@ -99,7 +99,11 @@ export class LatestblocksComponent implements OnInit {
     this.chartService.apiGetRequest('','/blockchain_kernel/getpeers').subscribe(
       res => {
         if (res['status'] == 200) {
-          this.peers = res.response.dataJson;
+          let json = res.response.dataJson;
+          if(json && json.length > 0){
+            localStorage.setItem('peersJson',JSON.stringify(json));
+          }
+          this.peers = JSON.parse(localStorage.getItem('peersJson'));
         }
       },
       error => {},