remove commented code. error consistency.

lib/bcoin/script.js

@@ -715,26 +715,16 @@ script.execute = function execute(s, stack, tx, index) {
 
 script.multisig = function(keys, m, n) {
   if (keys.length < m)
-    throw new Error('wrong amount of pubkeys for multisig script');
+    throw new Error('Wrong amount of pubkeys for multisig script');
 
   assert(m >= 1 && m <= n);
   assert(n >= 1 && n <= 15);
 
-  // Format:
-  // op_[m] [pubkey1-len] [pubkey1] ... op_[n] op_checkmultisig
-
-  // Using pushdata ops for m and n:
-  // return [ [ m ] ].concat(
-  //   keys,
-  //   [ [ n ], 'checkmultisig' ]
-  // );
-
   // Keys need to be in a predictable order.
   keys = keys.sort(function(a, b) {
     return new bn(a).cmp(new bn(b)) > 0;
   });
 
-  // Using OP_1-16 for m and n:
   return [ m ].concat(
     keys,
     [ n, 'checkmultisig' ]

lib/bcoin/tx.js

@@ -190,7 +190,7 @@ TX.prototype.scriptInput = function(input, pub) {
     return;
   }
 
-  throw new Error('scriptInput(): could not identify prev_out type');
+  throw new Error('scriptInput(): Could not identify prev_out type');
 };
 
 // Sign the now-built scriptSigs
@@ -283,7 +283,7 @@ TX.prototype.signInput = function(input, key, type) {
     return;
   }
 
-  throw new Error('signInput(): could not identify prev_out type');
+  throw new Error('signInput(): Could not identify prev_out type');
 };
 
 // Build the scriptSig and sign it

lib/bcoin/wallet.js

@@ -158,7 +158,7 @@ Wallet.prototype.derive = function derive() {
   var options = this.options;
 
   if (!this.hd)
-    throw new Error('wallet is not HD');
+    throw new Error('Wallet is not HD');
 
   options.priv = this.hd.derive.apply(this.hd, arguments);