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Add contract Deploy/Update/Destory event #2150

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Merged
merged 2 commits into from
Dec 16, 2020
Merged

Add contract Deploy/Update/Destory event #2150

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b68ab0a
add contract deploy/update/destory event
Dec 15, 2020
8e31f2a
fix
Dec 16, 2020
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54 changes: 54 additions & 0 deletions src/neo/SmartContract/Native/ManagementContract.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,56 @@ public sealed class ManagementContract : NativeContract
private const byte Prefix_NextAvailableId = 15;
private const byte Prefix_Contract = 8;

internal ManagementContract()
{
var events = new List<ContractEventDescriptor>(Manifest.Abi.Events)
{
new ContractEventDescriptor
{
Name = "Deploy",
Parameters = new ContractParameterDefinition[]
{
new ContractParameterDefinition()
{
Name = "Contract",
Type = ContractParameterType.Hash160
}
}
},
new ContractEventDescriptor
{
Name = "Update",
Parameters = new ContractParameterDefinition[]
{
new ContractParameterDefinition()
{
Name = "Contract",
Type = ContractParameterType.Hash160
},
new ContractParameterDefinition()
{
Name = "UpdateCounter",
Type = ContractParameterType.Integer
}
}
},
new ContractEventDescriptor
{
Name = "Destory",
Parameters = new ContractParameterDefinition[]
{
new ContractParameterDefinition()
{
Name = "Contract",
Type = ContractParameterType.Hash160
}
}
}
};

Manifest.Abi.Events = events.ToArray();
}

private int GetNextAvailableId(StoreView snapshot)
{
StorageItem item = snapshot.Storages.GetAndChange(CreateStorageKey(Prefix_NextAvailableId), () => new StorageItem(1));
Expand Down Expand Up @@ -116,6 +166,8 @@ private ContractState Deploy(ApplicationEngine engine, byte[] nefFile, byte[] ma
if (md != null)
engine.CallFromNativeContract(Hash, hash, md.Name, false);

engine.SendNotification(Hash, "Deploy", new VM.Types.Array { contract.Hash.ToArray() });

return contract;
}

Expand Down Expand Up @@ -154,6 +206,7 @@ private void Update(ApplicationEngine engine, byte[] nefFile, byte[] manifest)
if (md != null)
engine.CallFromNativeContract(Hash, contract.Hash, md.Name, true);
}
engine.SendNotification(Hash, "Update", new VM.Types.Array { contract.Hash.ToArray(), (int)contract.UpdateCounter });
}

[ContractMethod(0_01000000, CallFlags.WriteStates)]
Expand All @@ -166,6 +219,7 @@ private void Destroy(ApplicationEngine engine)
engine.Snapshot.Storages.Delete(ckey);
foreach (var (key, _) in engine.Snapshot.Storages.Find(BitConverter.GetBytes(contract.Id)))
engine.Snapshot.Storages.Delete(key);
engine.SendNotification(Hash, "Destory", new VM.Types.Array { hash.ToArray() });
}
}
}