whether a block is confirmed is now deduced from the block details.

Breeze/src/Breeze.Wallet/Controllers/WalletController.cs

@@ -196,7 +196,7 @@ namespace Breeze.Wallet.Controllers
                         model.Transactions.Add(new TransactionItem
                         {
                             Amount = transaction.Amount,
-                            Confirmed = transaction.Confirmed,
+                            Confirmed = transaction.IsConfirmed(),
                             Timestamp = transaction.CreationTime,
                             TransactionId = transaction.Id,
                             Address = address.Address
@@ -244,8 +244,8 @@ namespace Breeze.Wallet.Controllers
                         CoinType = request.CoinType,
                         Name = account.Name,
                         HdPath = account.HdPath,
-                        AmountConfirmed = allTransactions.Where(t => t.Confirmed).Sum(t => t.Amount),
-                        AmountUnconfirmed = allTransactions.Where(t => !t.Confirmed).Sum(t => t.Amount)
+                        AmountConfirmed = allTransactions.Where(t => t.IsConfirmed()).Sum(t => t.Amount),
+                        AmountUnconfirmed = allTransactions.Where(t => !t.IsConfirmed()).Sum(t => t.Amount)
                     };
                     model.AccountsBalances.Add(balance);
                 }

Breeze/src/Breeze.Wallet/Wallet.cs

@@ -428,19 +428,20 @@ namespace Breeze.Wallet
         /// </summary>
         [JsonProperty(PropertyName = "blockHeight", NullValueHandling = NullValueHandling.Ignore)]
         public int? BlockHeight { get; set; }
-
-        /// <summary>
-        /// Whether this transaction has been confirmed or not.
-        /// </summary>
-        [JsonProperty(PropertyName = "confirmed")]
-        public bool Confirmed { get; set; }
-
+        
         /// <summary>
         /// Gets or sets the creation time.
         /// </summary>
         [JsonProperty(PropertyName = "creationTime")]
         [JsonConverter(typeof(DateTimeOffsetConverter))]
         public DateTimeOffset CreationTime { get; set; }
-        
+
+        /// <summary>
+        /// Determines whether this transaction is confirmed.
+        /// </summary>    
+        public bool IsConfirmed()
+        {
+            return this.BlockHeight != null;
+        }
     }
 }
\ No newline at end of file

Breeze/src/Breeze.Wallet/WalletManager.cs

@@ -506,7 +506,6 @@ namespace Breeze.Wallet
                 {
                     Amount = amount,
                     BlockHeight = blockHeight,
-                    Confirmed = blockHeight.HasValue,
                     Id = transactionHash,
                     CreationTime = DateTimeOffset.FromUnixTimeMilliseconds(blockTime ?? time),
                     Index = index
@@ -522,13 +521,21 @@ namespace Breeze.Wallet
                     }
                 }
             }
-            else if (trans.Any(t => t.Id == transactionHash && !t.Confirmed)) // if this is an unconfirmed transaction now received in a block
+            else if (trans.Any(t => t.Id == transactionHash)) // if this is an unconfirmed transaction now received in a block
             {
-                var foundTransaction = trans.Single(t => t.Id == transactionHash && !t.Confirmed);
-                if (blockHeight != null)
+                var foundTransaction = trans.Single(t => t.Id == transactionHash);
+
+                // update the block height
+                if (foundTransaction.BlockHeight == null && blockHeight != null)
                 {
-                    foundTransaction.Confirmed = true;
+                    foundTransaction.BlockHeight = blockHeight;
                 }
+
+                // update the block time
+                if (blockTime != null)
+                {
+                    foundTransaction.CreationTime = DateTimeOffset.FromUnixTimeMilliseconds(blockTime.Value);
+                }                
             }
 
             // notify a transaction has been found