minor.

lib/bcoin/chain.js

@@ -955,7 +955,7 @@ Chain.prototype.add = function add(initial, peer, callback) {
         hash: entry.hash,
         checkpoint: checkpoint
       }, peer);
-      if (hash !== checkpoint) {
+      if (entry.hash !== checkpoint) {
         // Resetting to the last checkpoint _really_ isn't
         // necessary (even bitcoind doesn't do it), but it
         // could be used if you want to be on the overly

lib/bcoin/script.js

@@ -2414,8 +2414,6 @@ script.getArgs = function getArgs(s) {
 
   if (script.isMultisig(s)) {
     keys = s.slice(1, -2);
-    if (!pub)
-      return -1;
     m = s[0];
     if (keys.length < 1 || m < 1)
       return -1;