diff --git a/lib/bcoin/chain.js b/lib/bcoin/chain.js
index 9fdb962c..0915c684 100644
--- a/lib/bcoin/chain.js
+++ b/lib/bcoin/chain.js
@@ -99,6 +99,15 @@ utils.inherits(Chain, AsyncObject);
 
 Chain.prototype._init = function _init() {
   var self = this;
+  var i, keys, id;
+
+  // Setup state caches.
+  keys = Object.keys(this.network.deployments);
+
+  for (i = 0; i < keys.length; i++) {
+    id = keys[i];
+    this.stateCache[id] = {};
+  }
 
   this.locker.on('purge', function(total, size) {
     self.logger.warning('Warning: %dmb of pending objects. Purging.', utils.mb(size));
@@ -2135,6 +2144,7 @@ Chain.prototype.getState = function getState(prev, id, callback) {
   var period = this.network.minerWindow;
   var threshold = this.network.activationThreshold;
   var deployment = this.network.deployments[id];
+  var stateCache = this.stateCache[id];
   var timeStart, timeTimeout, compute, height;
 
   if (!deployment)
@@ -2174,8 +2184,8 @@ Chain.prototype.getState = function getState(prev, id, callback) {
     if (!entry)
       return walkForward(constants.thresholdStates.DEFINED);
 
-    if (self.stateCache[entry.hash] != null)
-      return walkForward(self.stateCache[entry.hash]);
+    if (stateCache[entry.hash] != null)
+      return walkForward(stateCache[entry.hash]);
 
     return entry.getMedianTimeAsync(function(err, medianTime) {
       if (err)
@@ -2207,16 +2217,16 @@ Chain.prototype.getState = function getState(prev, id, callback) {
             return callback(err);
 
           if (medianTime >= timeTimeout) {
-            self.stateCache[entry.hash] = constants.thresholdStates.FAILED;
+            stateCache[entry.hash] = constants.thresholdStates.FAILED;
             return walkForward(constants.thresholdStates.FAILED);
           }
 
           if (medianTime >= timeStart) {
-            self.stateCache[entry.hash] = constants.thresholdStates.STARTED;
+            stateCache[entry.hash] = constants.thresholdStates.STARTED;
             return walkForward(constants.thresholdStates.STARTED);
           }
 
-          self.stateCache[entry.hash] = state;
+          stateCache[entry.hash] = state;
           return walkForward(state);
         });
       case constants.thresholdStates.STARTED:
@@ -2225,7 +2235,7 @@ Chain.prototype.getState = function getState(prev, id, callback) {
             return callback(err);
 
           if (medianTime >= timeTimeout) {
-            self.stateCache[entry.hash] = constants.thresholdStates.FAILED;
+            stateCache[entry.hash] = constants.thresholdStates.FAILED;
             return walkForward(constants.thresholdStates.FAILED);
           }
 
@@ -2253,20 +2263,20 @@ Chain.prototype.getState = function getState(prev, id, callback) {
               return callback(err);
 
             if (count >= threshold) {
-              self.stateCache[entry.hash] = constants.thresholdStates.LOCKED_IN;
+              stateCache[entry.hash] = constants.thresholdStates.LOCKED_IN;
               return walkForward(constants.thresholdStates.LOCKED_IN);
             }
 
-            self.stateCache[entry.hash] = state;
+            stateCache[entry.hash] = state;
             return walkForward(state);
           }
         });
       case constants.thresholdStates.LOCKED_IN:
-        self.stateCache[entry.hash] = constants.thresholdStates.ACTIVE;
+        stateCache[entry.hash] = constants.thresholdStates.ACTIVE;
         return walkForward(constants.thresholdStates.ACTIVE);
       case constants.thresholdStates.FAILED:
       case constants.thresholdStates.ACTIVE:
-        self.stateCache[entry.hash] = state;
+        stateCache[entry.hash] = state;
         return walkForward(state);
     }