Fix storage snapshot sync #898

cschuchardt88 · 2024-04-11T23:30:34Z

Change Log

Fixed sync order

Note: DO NOT need to resync

Closes #897

superboyiii

Good job. Correct now.

src/ApplicationLogs/LogReader.cs

src/ApplicationLogs/Store/NeoStore.cs

src/ApplicationLogs/LogReader.cs

AnnaShaleva

The fix itself looks legit, let me test it.

vncoelho

Good job,@cschuchardt88

AnnaShaleva

Fixed for the events with different triggers, but still not fixed for events with the same trigger. The updated code gives wrong hash for the Neo and Gas initial supply Transfer events (they have Management's hash in the contract field):

Here's the full updated getapplicationlog result for the genesis block:

anna@kiwi:~/Documents/GitProjects/nspcc-dev/neo-go$ curl -d '{ "jsonrpc": "2.0", "id": 1, "method": "getapplicationlog", "params": ["0x1f4d1defa46faa5e7b9b8d3f79a06bec777d7c26c4aa5f6f5899a291daa87c15"] }' localhost:10332 | json_pp
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  2725    0  2583  100   142   613k  34558 --:--:-- --:--:-- --:--:--  887k
{
   "id" : 1,
   "jsonrpc" : "2.0",
   "result" : {
      "blockhash" : "0x1f4d1defa46faa5e7b9b8d3f79a06bec777d7c26c4aa5f6f5899a291daa87c15",
      "executions" : [
         {
            "gasconsumed" : "0",
            "notifications" : [
               {
                  "contract" : "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                  "eventname" : "Deploy",
                  "state" : {
                     "type" : "Array",
                     "value" : [
                        {
                           "type" : "ByteString",
                           "value" : "/aP6Q0bqUyolj8SX3a3bZDfJ/f8="
                        }
                     ]
                  }
               },
               {
                  "contract" : "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                  "eventname" : "Deploy",
                  "state" : {
                     "type" : "Array",
                     "value" : [
                        {
                           "type" : "ByteString",
                           "value" : "wO85zuDk6SXGwqBqeeFEDdhvzqw="
                        }
                     ]
                  }
               },
               {
                  "contract" : "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                  "eventname" : "Deploy",
                  "state" : {
                     "type" : "Array",
                     "value" : [
                        {
                           "type" : "ByteString",
                           "value" : "G/V1qxGJaIQTYQo1oSiGzeC2bHI="
                        }
                     ]
                  }
               },
               {
                  "contract" : "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                  "eventname" : "Deploy",
                  "state" : {
                     "type" : "Array",
                     "value" : [
                        {
                           "type" : "ByteString",
                           "value" : "vvIEMUA2KnfBUJnH5kwS9wC2Zdo="
                        }
                     ]
                  }
               },
               {
                  "contract" : "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                  "eventname" : "Transfer",
                  "state" : {
                     "type" : "Array",
                     "value" : [
                        {
                           "type" : "Any"
                        },
                        {
                           "type" : "ByteString",
                           "value" : "axI92L7HGGSIUrvHhZXjU2oFj58="
                        },
                        {
                           "type" : "Integer",
                           "value" : "100000000"
                        }
                     ]
                  }
               },
               {
                  "contract" : "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                  "eventname" : "Deploy",
                  "state" : {
                     "type" : "Array",
                     "value" : [
                        {
                           "type" : "ByteString",
                           "value" : "9WPqQLwoPU0OBcSOowWz8qBzQO8="
                        }
                     ]
                  }
               },
               {
                  "contract" : "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                  "eventname" : "Transfer",
                  "state" : {
                     "type" : "Array",
                     "value" : [
                        {
                           "type" : "Any"
                        },
                        {
                           "type" : "ByteString",
                           "value" : "axI92L7HGGSIUrvHhZXjU2oFj58="
                        },
                        {
                           "type" : "Integer",
                           "value" : "5200000000000000"
                        }
                     ]
                  }
               },
               {
                  "contract" : "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                  "eventname" : "Deploy",
                  "state" : {
                     "type" : "Array",
                     "value" : [
                        {
                           "type" : "ByteString",
                           "value" : "z3bii9AGLEpHjuNVYQETGfPPpNI="
                        }
                     ]
                  }
               },
               {
                  "contract" : "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                  "eventname" : "Deploy",
                  "state" : {
                     "type" : "Array",
                     "value" : [
                        {
                           "type" : "ByteString",
                           "value" : "e8aBwKH3HVQ0V7aLuo1fn91OXsw="
                        }
                     ]
                  }
               },
               {
                  "contract" : "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                  "eventname" : "Deploy",
                  "state" : {
                     "type" : "Array",
                     "value" : [
                        {
                           "type" : "ByteString",
                           "value" : "4pXjkVRMF4rZTwPsTc3/eFNOz0k="
                        }
                     ]
                  }
               },
               {
                  "contract" : "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                  "eventname" : "Deploy",
                  "state" : {
                     "type" : "Array",
                     "value" : [
                        {
                           "type" : "ByteString",
                           "value" : "WIcXEX4KqBByr6tx0t2J/nxLkv4="
                        }
                     ]
                  }
               }
            ],
            "stack" : [],
            "trigger" : "OnPersist",
            "vmstate" : "HALT"
         },
         {
            "gasconsumed" : "0",
            "notifications" : [
               {
                  "contract" : "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                  "eventname" : "Transfer",
                  "state" : {
                     "type" : "Array",
                     "value" : [
                        {
                           "type" : "Any"
                        },
                        {
                           "type" : "ByteString",
                           "value" : "lpSe1ILnxgqu7GkVUPGz1ZkUYZQ="
                        },
                        {
                           "type" : "Integer",
                           "value" : "50000000"
                        }
                     ]
                  }
               }
            ],
            "stack" : [],
            "trigger" : "PostPersist",
            "vmstate" : "HALT"
         }
      ]
   }
}

AnnaShaleva · 2024-04-12T18:23:43Z

Good job. Correct now.

@superboyiii, am I doing something wrong? Are you sure you've got the correct result?

superboyiii · 2024-04-22T03:10:09Z

Good job. Correct now.

@superboyiii, am I doing something wrong? Are you sure you've got the correct result?

My fault, wrong data was compared in test. Yes, the transfer event in OnPersist trigger should be for GAS and NEO, but not for 0xfffdc93764dbaddd97c48f252a53ea4643faa3fd(contract management) itself. @cschuchardt88

cschuchardt88 · 2024-04-22T06:33:56Z

@AnnaShaleva @superboyiii

All check out but the block with hash of 0x1f4d1defa46faa5e7b9b8d3f79a06bec777d7c26c4aa5f6f5899a291daa87c15 and index of 0.

The reason for this is because NeoSystem gets initialized before any Plugins get loaded.

For example block with hash of `0x8e1db6017a1205501a8689ff1657ff81d264bca2e4afba12f673a8e4bad6bad2` checks out valid.

{
    "jsonrpc": "2.0",
    "id": 1,
    "result": {
        "blockhash": "0x8e1db6017a1205501a8689ff1657ff81d264bca2e4afba12f673a8e4bad6bad2",
        "executions": [
            {
                "trigger": "OnPersist",
                "vmstate": "HALT",
                "gasconsumed": "0",
                "stack": [],
                "notifications": [
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Transfer",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "axI92L7HGGSIUrvHhZXjU2oFj58="
                                },
                                {
                                    "type": "Any"
                                },
                                {
                                    "type": "Integer",
                                    "value": "17589000"
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Transfer",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "Any"
                                },
                                {
                                    "type": "ByteString",
                                    "value": "UDiCgEgZdLrr634iF9YNyKdJeLo="
                                },
                                {
                                    "type": "Integer",
                                    "value": "7611220"
                                }
                            ]
                        }
                    }
                ]
            },
            {
                "trigger": "PostPersist",
                "vmstate": "HALT",
                "gasconsumed": "0",
                "stack": [],
                "notifications": [
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Transfer",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "Any"
                                },
                                {
                                    "type": "ByteString",
                                    "value": "lpSe1ILnxgqu7GkVUPGz1ZkUYZQ="
                                },
                                {
                                    "type": "Integer",
                                    "value": "50000000"
                                }
                            ]
                        }
                    }
                ]
            }
        ]
    }
}

AnnaShaleva · 2024-04-22T07:28:07Z

All check out but the block with hash of 0x1f4d1defa46faa5e7b9b8d3f79a06bec777d7c26c4aa5f6f5899a291daa87c15 and index of 0.
The reason for this is because NeoSystem gets initialized before any Plugins get loaded.

@cschuchardt88, we need ApplicationLogs plugin to work correctly even for genesis block, it's important.

cschuchardt88 · 2024-04-22T09:17:29Z

@AnnaShaleva

This seems to be a problem with NeoSystem; the way plugins are loaded. I don't think genesis block requests block information from the network. What i see is happening; is that genesis block is initialized already before plugins get loaded and started. Maybe @Jim8y @shargon can you confirm?

@superboyiii @AnnaShaleva
notifyItem.ScriptHash is valid and i get 0xfffdc93764dbaddd97c48f252a53ea4643faa3fd. That data is coming from straight from BlockChain.OnCommitting event; IReadOnlyList<Blockchain.ApplicationExecuted> applicationExecutedList parameter.

var notifyItem = appExecution.Notifications[i];
logStore.PutContractState(notifyItem.ScriptHash, block.Timestamp, i, ContractLogState.Create(appExecution, notifyItem, stackItemStateIds));

shargon · 2024-04-22T12:54:14Z

What i see is happening; is that genesis block is initialized already before plugins get loaded and started.

foreach (var plugin in Plugin.Plugins)
    plugin.OnSystemLoaded(this);
Blockchain.Ask(new Blockchain.Initialize()).Wait();

It seems that the plugin is called before it

cschuchardt88 · 2024-04-22T19:55:44Z

@shargon any reason why 0xfffdc93764dbaddd97c48f252a53ea4643faa3fd ContractManagement contract would be the hash for OnPersist trigger?

shargon · 2024-04-23T08:08:00Z

@shargon any reason why 0xfffdc93764dbaddd97c48f252a53ea4643faa3fd ContractManagement contract would be the hash for OnPersist trigger?

I don't understand you, could you explain it? the hash for OnPersist?

cschuchardt88 · 2024-04-23T17:51:28Z

@shargon When I receive applicationExecutedList from on Blockchain.Committing event I get the NotifyEventArgs and when accessing NotifyEventArgs.ScriptHash I am getting 0xfffdc93764dbaddd97c48f252a53ea4643faa3fd not 0xd2a4cff31913016155e38e474a2c06d08be276cf. Any thoughts?

Correct response

                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Transfer",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "axI92L7HGGSIUrvHhZXjU2oFj58="
                                },
                                {
                                    "type": "Any"
                                },
                                {
                                    "type": "Integer",
                                    "value": "17589000"
                                }
                            ]
                        }
                    }

AnnaShaleva

This is ready for merge.

I don't think so. #898 (review) and #898 (comment) is still not fixed.

cschuchardt88 · 2024-04-24T19:32:50Z

@AnnaShaleva @superboyiii Test again should be fixed now. There was a memory leak because the project isn't marked as nullable so when using a null ? and not making it ! after you get an object will have it keep overwriting/copying the same variable pointer when using out or ref.

Now I get:

{
    "jsonrpc": "2.0",
    "id": 1,
    "result": {
        "blockhash": "0x1f4d1defa46faa5e7b9b8d3f79a06bec777d7c26c4aa5f6f5899a291daa87c15",
        "executions": [
            {
                "trigger": "OnPersist",
                "vmstate": "HALT",
                "gasconsumed": "0",
                "stack": [],
                "notifications": [
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Deploy",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "/aP6Q0bqUyolj8SX3a3bZDfJ/f8="
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Deploy",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "wO85zuDk6SXGwqBqeeFEDdhvzqw="
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Deploy",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "G/V1qxGJaIQTYQo1oSiGzeC2bHI="
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Deploy",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "vvIEMUA2KnfBUJnH5kwS9wC2Zdo="
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Transfer",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "Any"
                                },
                                {
                                    "type": "ByteString",
                                    "value": "axI92L7HGGSIUrvHhZXjU2oFj58="
                                },
                                {
                                    "type": "Integer",
                                    "value": "100000000"
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Deploy",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "9WPqQLwoPU0OBcSOowWz8qBzQO8="
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Transfer",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "Any"
                                },
                                {
                                    "type": "ByteString",
                                    "value": "axI92L7HGGSIUrvHhZXjU2oFj58="
                                },
                                {
                                    "type": "Integer",
                                    "value": "5200000000000000"
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Deploy",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "z3bii9AGLEpHjuNVYQETGfPPpNI="
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Deploy",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "e8aBwKH3HVQ0V7aLuo1fn91OXsw="
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Deploy",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "4pXjkVRMF4rZTwPsTc3/eFNOz0k="
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Deploy",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "WIcXEX4KqBByr6tx0t2J/nxLkv4="
                                }
                            ]
                        }
                    }
                ]
            },
            {
                "trigger": "PostPersist",
                "vmstate": "HALT",
                "gasconsumed": "0",
                "stack": [],
                "notifications": [
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Transfer",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "Any"
                                },
                                {
                                    "type": "ByteString",
                                    "value": "lpSe1ILnxgqu7GkVUPGz1ZkUYZQ="
                                },
                                {
                                    "type": "Integer",
                                    "value": "50000000"
                                }
                            ]
                        }
                    }
                ]
            }
        ]
    }
}

AnnaShaleva

Now I get:

Your result is still not correct. All Deploy notifications have invalid contract hash, and also one Transfer notification has invalid contract hash. The expected result is attached in the "Expected behaviour" section of #897.

superboyiii · 2024-04-25T10:35:19Z

@cschuchardt88 You could always check original one by v3.6.2 RPC:

curl -X POST http://seed1.neo.org:10332 -d '{"jsonrpc":"2.0","method":"getapplicationlog","params":["0x1f4d1defa46faa5e7b9b8d3f79a06bec777d7c26c4aa5f6f5899a291daa87c15"],"id":1}'

Your current result mistakenly got wrong contract hash for NEO(Not GAS). As we all know 100000000 NEO and 52000000 GAS has been transferred into consensus multisig address in genesis block. That's where these 2 transfer events from.

cschuchardt88 · 2024-04-26T06:27:15Z

@AnnaShaleva @superboyiii

My bad forgot to commit.

http://seed1.neo.org:10332

{
    "jsonrpc": "2.0",
    "id": 1,
    "result": {
        "blockhash": "0x1f4d1defa46faa5e7b9b8d3f79a06bec777d7c26c4aa5f6f5899a291daa87c15",
        "executions": [
            {
                "trigger": "OnPersist",
                "vmstate": "HALT",
                "gasconsumed": "0",
                "stack": [],
                "notifications": [
                    {
                        "contract": "0xef4073a0f2b305a38ec4050e4d3d28bc40ea63f5",
                        "eventname": "Transfer",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "Any"
                                },
                                {
                                    "type": "ByteString",
                                    "value": "axI92L7HGGSIUrvHhZXjU2oFj58="
                                },
                                {
                                    "type": "Integer",
                                    "value": "100000000"
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Transfer",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "Any"
                                },
                                {
                                    "type": "ByteString",
                                    "value": "axI92L7HGGSIUrvHhZXjU2oFj58="
                                },
                                {
                                    "type": "Integer",
                                    "value": "5200000000000000"
                                }
                            ]
                        }
                    }
                ]
            },
            {
                "trigger": "PostPersist",
                "vmstate": "HALT",
                "gasconsumed": "0",
                "stack": [],
                "notifications": [
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Transfer",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "Any"
                                },
                                {
                                    "type": "ByteString",
                                    "value": "lpSe1ILnxgqu7GkVUPGz1ZkUYZQ="
                                },
                                {
                                    "type": "Integer",
                                    "value": "50000000"
                                }
                            ]
                        }
                    }
                ]
            }
        ]
    }
}

http://127.0.0.1:10332

{
    "jsonrpc": "2.0",
    "id": 1,
    "result": {
        "blockhash": "0x1f4d1defa46faa5e7b9b8d3f79a06bec777d7c26c4aa5f6f5899a291daa87c15",
        "executions": [
            {
                "trigger": "OnPersist",
                "vmstate": "HALT",
                "gasconsumed": "0",
                "stack": [],
                "notifications": [
                    {
                        "contract": "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                        "eventname": "Deploy",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "/aP6Q0bqUyolj8SX3a3bZDfJ/f8="
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                        "eventname": "Deploy",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "wO85zuDk6SXGwqBqeeFEDdhvzqw="
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                        "eventname": "Deploy",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "G/V1qxGJaIQTYQo1oSiGzeC2bHI="
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                        "eventname": "Deploy",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "vvIEMUA2KnfBUJnH5kwS9wC2Zdo="
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xef4073a0f2b305a38ec4050e4d3d28bc40ea63f5",
                        "eventname": "Transfer",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "Any"
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                                {
                                    "type": "ByteString",
                                    "value": "axI92L7HGGSIUrvHhZXjU2oFj58="
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                                {
                                    "type": "Integer",
                                    "value": "100000000"
                                }
                            ]
                        }
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                    {
                        "contract": "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                        "eventname": "Deploy",
                        "state": {
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                            "value": [
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                                    "value": "9WPqQLwoPU0OBcSOowWz8qBzQO8="
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                            ]
                        }
                    },
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Transfer",
                        "state": {
                            "type": "Array",
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                                {
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                                },
                                {
                                    "type": "ByteString",
                                    "value": "axI92L7HGGSIUrvHhZXjU2oFj58="
                                },
                                {
                                    "type": "Integer",
                                    "value": "5200000000000000"
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                        "eventname": "Deploy",
                        "state": {
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                            "value": [
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                                    "type": "ByteString",
                                    "value": "z3bii9AGLEpHjuNVYQETGfPPpNI="
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                        "eventname": "Deploy",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "e8aBwKH3HVQ0V7aLuo1fn91OXsw="
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                        "eventname": "Deploy",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "4pXjkVRMF4rZTwPsTc3/eFNOz0k="
                                }
                            ]
                        }
                    },
                    {
                        "contract": "0xfffdc93764dbaddd97c48f252a53ea4643faa3fd",
                        "eventname": "Deploy",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "ByteString",
                                    "value": "WIcXEX4KqBByr6tx0t2J/nxLkv4="
                                }
                            ]
                        }
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                ]
            },
            {
                "trigger": "PostPersist",
                "vmstate": "HALT",
                "gasconsumed": "0",
                "stack": [],
                "notifications": [
                    {
                        "contract": "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                        "eventname": "Transfer",
                        "state": {
                            "type": "Array",
                            "value": [
                                {
                                    "type": "Any"
                                },
                                {
                                    "type": "ByteString",
                                    "value": "lpSe1ILnxgqu7GkVUPGz1ZkUYZQ="
                                },
                                {
                                    "type": "Integer",
                                    "value": "50000000"
                                }
                            ]
                        }
                    }
                ]
            }
        ]
    }
}

shargon · 2024-04-30T08:53:50Z

src/ApplicationLogs/Store/Models/BlockchainEventModel.cs


 namespace ApplicationLogs.Store.Models
 {
    public class BlockchainEventModel
    {
-        public UInt160 ScriptHash { get; private init; } = UInt160.Zero;
+        public UInt160 ScriptHash { get; private init; } = new();


Why create a new empty instance if we have one in memory?

Its a memory leak. That's the reason why we had this problem with different addresses in the state. It uses the class instance of UInt160.Zero when doing ScriptHash.Deserialize(). It will keep writing to the same buffer; overwriting the previous value. So i need a new instance either way.

If we reuse the same instance, how can be a memory leak?

@shargon we are using the same instance. That was the problem. The instance being UInt160.Zero; overwriting it for each method call.

cschuchardt88 · 2024-05-02T22:00:43Z

@AnnaShaleva @superboyiii any update on testing the state?

AnnaShaleva

Checked the updated version, seems to work correctly now.

superboyiii

Looks good from my local results.

cschuchardt88 added critical waiting to review labels Apr 11, 2024

cschuchardt88 requested review from AnnaShaleva, superboyiii, shargon and Jim8y April 11, 2024 23:30

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Fixed MemoryLeak with nullable on non-nullable projects

36f8e31

cschuchardt88 dismissed stale reviews from vncoelho, Jim8y, and superboyiii via 36f8e31 April 24, 2024 19:29

cschuchardt88 force-pushed the getapplicationLog-rpc-fix branch from 76f073d to 36f8e31 Compare April 24, 2024 19:29

cschuchardt88 requested a review from Jim8y April 24, 2024 19:36

cschuchardt88 requested review from vncoelho, AnnaShaleva and shargon April 24, 2024 19:36

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fix fetching

a02fdbe

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cschuchardt88 requested a review from AnnaShaleva May 2, 2024 22:00

cschuchardt88 mentioned this pull request May 2, 2024

Neo v3.7.0 plan neo-project/neo#2905

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Merge branch 'master' into getapplicationLog-rpc-fix

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superboyiii merged commit d1b03b6 into neo-project:master May 6, 2024
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Fix storage snapshot sync #898

Fix storage snapshot sync #898

cschuchardt88 commented Apr 11, 2024

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Fix storage snapshot sync #898

Fix storage snapshot sync #898

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cschuchardt88 commented Apr 11, 2024

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AnnaShaleva commented Apr 12, 2024

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For example block with hash of 0x8e1db6017a1205501a8689ff1657ff81d264bca2e4afba12f673a8e4bad6bad2 checks out valid.

AnnaShaleva commented Apr 22, 2024

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cschuchardt88 commented Apr 23, 2024 • edited Loading

Correct response

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cschuchardt88 commented Apr 24, 2024 • edited Loading

Now I get:

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cschuchardt88 commented Apr 26, 2024

http://seed1.neo.org:10332

http://127.0.0.1:10332

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For example block with hash of `0x8e1db6017a1205501a8689ff1657ff81d264bca2e4afba12f673a8e4bad6bad2` checks out valid.

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