price constraints working

pool.js

@@ -0,0 +1,16 @@
+
+export function subPools( socket, chainId, addresses) {
+    for(const address of addresses) {
+        const room = `${chainId}|${address}`;
+        socket.join(room)
+        console.log('joined room', room)
+    }
+}
+
+export function unsubPools( socket, chainId, addresses ) {
+    for(const address of addresses) {
+        const room = `${chainId}|${address}`;
+        socket.leave(room)
+        console.log('left room', room)
+    }
+}