[fix] WS2P document sharing must not close the streams

app/lib/streams/WS2PStreamer.ts

 import * as stream from "stream"
 import {WS2PConnection} from "../../modules/ws2p/lib/WS2PConnection"
+import {NewLogger} from "../logger"
+
+const logger = NewLogger()
 
 export class WS2PStreamer extends stream.Transform {
 
@@ -8,6 +11,7 @@ export class WS2PStreamer extends stream.Transform {
   }
 
   async _write(obj:any, enc:any, done:any) {
+    try {
       if (obj.joiners) {
         await this.ws2pc.pushBlock(obj)
       }
@@ -26,6 +30,9 @@ export class WS2PStreamer extends stream.Transform {
       else if (obj.endpoints) {
         await this.ws2pc.pushPeer(obj)
       }
+    } catch (e) {
+      logger.warn(e)
+    }
     done && done();
   }
 }

app/modules/ws2p/lib/WS2PCluster.ts

@@ -252,8 +252,9 @@ export class WS2PCluster {
     }
 
     // Also listen for network updates, and connect to new nodes
-    this.server.pipe(es.mapSync(async (data:any) => {
+    this.server.pipe(es.mapSync((data:any) => {
 
+      (async () => {
         // New peer
         if (data.endpoints) {
           const peer = PeerDTO.fromJSONObject(data)
@@ -286,6 +287,9 @@ export class WS2PCluster {
             this.server.logger.warn(e)
           }
         }
+      })()
+
+      return data
     }))
   }
 
@@ -296,7 +300,13 @@ export class WS2PCluster {
 
   private async spreadNewHeads(heads:{ message:string, sig:string }[]) {
     const connexions = await this.getAllConnections()
-    return Promise.all(connexions.map(c => c.pushHeads(heads)))
+    return Promise.all(connexions.map(async (c) => {
+      try {
+        await c.pushHeads(heads)
+      } catch (e) {
+        this.server.logger.warn('Could not spread new HEAD info to %s WS2P %s %s', c.pubkey)
+      }
+    }))
   }
 
   private sayHeadChangedTo(number:number, hash:string) {

app/service/BlockchainService.ts

@@ -159,7 +159,7 @@ export class BlockchainService extends FIFOService {
               await this.blockResolution()
               // Resolve the potential forks
               await this.forkResolution()
-              const current = this.current()
+              const current = await this.current()
               this.push({
                 bcEvent: OtherConstants.BC_EVENT.RESOLUTION_DONE,
                 block: current

server.ts

@@ -190,6 +190,7 @@ export class Server extends stream.Duplex implements HookableServer {
           this.emit('bcEvent', e)
         }
         this.streamPush(e)
+        return e
       }))
 
     return this.conf;