WIP: Resolve "Fail to revert block with transactions"

Closes #172 (closed)

lib/modules/blockchain/blockchain/src/requests/sent.rs

@@ -49,16 +49,19 @@ pub fn request_fork_blocks(bc: &mut BlockchainModule, now: SystemTime) {
         bc.last_request_fork_blocks = now;
         // Request all blocks in fork window size
         if let Some(currency_params) = bc.currency_params {
-            let fork_window_size = currency_params.fork_window_size as u32;
-            let from = if bc.current_blockstamp.id.0 > fork_window_size {
-                BlockNumber(bc.current_blockstamp.id.0 - fork_window_size)
-            } else {
-                BlockNumber(0)
-            };
-            let to = bc.current_blockstamp.id;
-            let new_pending_network_requests = dunp::queries::request_blocks_from_to(bc, from, to);
-            for (new_req_id, new_req) in new_pending_network_requests {
-                bc.pending_network_requests.insert(new_req_id, new_req);
+            if bc.current_blockstamp.id > BlockNumber(0) {
+                let fork_window_size = currency_params.fork_window_size as u32;
+                let from = if bc.current_blockstamp.id.0 > fork_window_size {
+                    BlockNumber(bc.current_blockstamp.id.0 - fork_window_size)
+                } else {
+                    BlockNumber(0)
+                };
+                let to = bc.current_blockstamp.id;
+                let new_pending_network_requests =
+                    dunp::queries::request_blocks_from_to(bc, from, to);
+                for (new_req_id, new_req) in new_pending_network_requests {
+                    bc.pending_network_requests.insert(new_req_id, new_req);
+                }
             }
         }
     }