diff --git a/lib/bcoin/chain.js b/lib/bcoin/chain.js
index 9537f795..e42e207a 100644
--- a/lib/bcoin/chain.js
+++ b/lib/bcoin/chain.js
@@ -322,7 +322,6 @@ Chain.prototype.get = function get(hash, force, cb) {
   }
 
   if (this.request.add(hash, cb))
-    false;
     this.emit('missing', hash, null, null);
 };
 
@@ -335,6 +334,13 @@ Chain.prototype.isFull = function isFull() {
   return delta < 40 * 60;
 };
 
+Chain.prototype.fillPercent = function fillPercent() {
+  var first = this.index.ts[0];
+  var now = (+new Date() / 1000 - 40 * 60) - first;
+  var last = this.index.ts[this.index.ts.length - 1] - first;
+  return Math.min(0, Math.max(last / now, 1));
+};
+
 Chain.prototype.hashesInRange = function hashesInRange(start, end, cb) {
   if (this.loading) {
     this.once('load', function() {
diff --git a/lib/bcoin/pool.js b/lib/bcoin/pool.js
index 8bfe1109..cf8f4687 100644
--- a/lib/bcoin/pool.js
+++ b/lib/bcoin/pool.js
@@ -62,7 +62,6 @@ function Pool(options) {
     // getTX map
     map: {}
   };
-  this.searching = false;
 
   // Currently broadcasted TXs
   this.tx = {
@@ -356,17 +355,8 @@ Pool.prototype.unwatch = function unwatch(id) {
     this.peers.block[i].updateWatch();
 };
 
-Pool.prototype.search = function search(id, range, e) {
-  e = e || new EventEmitter();
-
-  // Serialize searches
-  if (this.searching) {
-    this.once('_searchEnd', function() {
-      this.search(id, range, e);
-    });
-    return e;
-  }
-  this.searching = true;
+Pool.prototype.search = function search(id, range) {
+  var e = new EventEmitter();
 
   // Optional id argument
   if (typeof id === 'object' && !Array.isArray(id) ||
@@ -430,8 +420,6 @@ Pool.prototype.search = function search(id, range, e) {
       if (waiting === 0) {
         if (id)
           self.unwatch(id);
-        self.searching = false;
-        self.emit('_searchEnd');
         e.emit('end');
       }
     }
@@ -463,7 +451,7 @@ Pool.prototype._request = function _request(type, hash, options, cb) {
   var self = this;
 
   // Block should be not in chain, or be requested
-  if (type === 'block')
+  if (!options.force && type === 'block')
     return this.chain.has(hash, true, next);
   else
     return next(false);