From 7241b3e256b74e1163d0ce20ee10c45023230612 Mon Sep 17 00:00:00 2001
From: Groxan <257Byte@gmail.com>
Date: Wed, 9 Sep 2020 19:23:06 +0300
Subject: [PATCH 1/2] Fix empty commitments

---
 .../Initiator/Commits/BootstrapCommit.cs      | 25 +++++++++++--------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/Tzkt.Sync/Protocols/Handlers/Initiator/Commits/BootstrapCommit.cs b/Tzkt.Sync/Protocols/Handlers/Initiator/Commits/BootstrapCommit.cs
index 21167a914..c0eb3dfb2 100644
--- a/Tzkt.Sync/Protocols/Handlers/Initiator/Commits/BootstrapCommit.cs
+++ b/Tzkt.Sync/Protocols/Handlers/Initiator/Commits/BootstrapCommit.cs
@@ -114,7 +114,7 @@ public async Task Init(Block block, RawBlock rawBlock)
 
             #region parameters
             var protoParams = Bson.Parse<RawProtoParameters>(rawBlock.Header.Content.Parameters.Substring(8));
-            Commitments = protoParams.Commitments.Select(x => new Commitment
+            Commitments = protoParams.Commitments?.Select(x => new Commitment
             {
                 Address = x[0],
                 Balance = long.Parse(x[1])
@@ -159,19 +159,22 @@ public override Task Apply()
                 state.MigrationOpsCount += BootstrapedAccounts.Count;
             }
 
-            var conn = Db.Database.GetDbConnection() as NpgsqlConnection;
-            using var writer = conn.BeginBinaryImport(@"COPY ""Commitments"" (""Balance"", ""Address"") FROM STDIN (FORMAT BINARY)");
-
-            foreach (var commitment in Commitments)
+            if (Commitments != null)
             {
-                writer.StartRow();
-                writer.Write(commitment.Balance);
-                writer.Write(commitment.Address);
+                var conn = Db.Database.GetDbConnection() as NpgsqlConnection;
+                using var writer = conn.BeginBinaryImport(@"COPY ""Commitments"" (""Balance"", ""Address"") FROM STDIN (FORMAT BINARY)");
 
-                state.CommitmentsCount++;
-            }
+                foreach (var commitment in Commitments)
+                {
+                    writer.StartRow();
+                    writer.Write(commitment.Balance);
+                    writer.Write(commitment.Address);
 
-            writer.Complete();
+                    state.CommitmentsCount++;
+                }
+
+                writer.Complete();
+            }
 
             return Task.CompletedTask;
         }

From d17c44c63f67e77a293aee3be2e7494b7b8a5b91 Mon Sep 17 00:00:00 2001
From: Groxan <257Byte@gmail.com>
Date: Thu, 10 Sep 2020 01:21:01 +0300
Subject: [PATCH 2/2] fix null commitments

---
 .../Protocols/Handlers/Initiator/Commits/StatisticsCommit.cs    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Tzkt.Sync/Protocols/Handlers/Initiator/Commits/StatisticsCommit.cs b/Tzkt.Sync/Protocols/Handlers/Initiator/Commits/StatisticsCommit.cs
index a4321ad27..7b27884fe 100644
--- a/Tzkt.Sync/Protocols/Handlers/Initiator/Commits/StatisticsCommit.cs
+++ b/Tzkt.Sync/Protocols/Handlers/Initiator/Commits/StatisticsCommit.cs
@@ -20,7 +20,7 @@ public Task Init(Block block, List<Account> accounts, IEnumerable<Commitment> co
             {
                 Level = block.Level,
                 TotalBootstrapped = accounts.Sum(x => x.Balance),
-                TotalCommitments = commitments.Sum(x => x.Balance),
+                TotalCommitments = commitments?.Sum(x => x.Balance) ?? 0,
                 TotalVested = accounts.Where(x => x.Type == AccountType.Contract).Sum(x => x.Balance)
             };