wallet: remove getLastTime.

lib/wallet/txdb.js

@@ -1691,41 +1691,6 @@ TXDB.prototype.getAccountHistory = function getAccountHistory(account, callback)
   });
 };
 
-/**
- * Get last active timestamp and height.
- * @param {Number?} account
- * @param {Function} callback - Returns [Error, Number(ts), Number(height)].
- */
-
-TXDB.prototype.getLastTime = function getLastTime(account, callback) {
-  var i, tx, lastTs, lastHeight;
-
-  if (typeof account === 'function') {
-    callback = account;
-    account = null;
-  }
-
-  this.getHistory(account, function(err, txs) {
-    if (err)
-      return callback(err);
-
-    lastTs = 0;
-    lastHeight = -1;
-
-    for (i = 0; i < txs.length; i++) {
-      tx = txs[i];
-
-      if (tx.ts > lastTs)
-        lastTs = tx.ts;
-
-      if (tx.height > lastHeight)
-        lastHeight = tx.height;
-    }
-
-    callback(null, lastTs, lastHeight);
-  });
-};
-
 /**
  * Get unconfirmed transactions.
  * @param {Number?} account

lib/wallet/wallet.js

@@ -1624,20 +1624,6 @@ Wallet.prototype.getBalance = function getBalance(account, callback) {
   });
 };
 
-/**
- * Get last timestamp and height this wallet was active
- * at (accesses db). Useful for resetting the chain
- * to a certain height when in SPV mode.
- * @param {(String|Number)?} account
- * @param {Function} callback - Returns [Error, Number(ts), Number(height)].
- */
-
-Wallet.prototype.getLastTime = function getLastTime(account, callback) {
-  this._getIndex(account, callback, function(account, callback) {
-    this.tx.getLastTime(account, callback);
-  });
-};
-
 /**
  * Get a range of transactions between two timestamps (accesses db).
  * @param {(String|Number)?} account