Remove ContractFeatures (neo-project#2060)

cloud8little · Jan 24, 2021 · bc6b3c4 · bc6b3c4
1 parent 818665f
commit bc6b3c4
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Showing 16 changed files with 13 additions and 102 deletions.
diff --git a/src/neo/Ledger/ContractState.cs b/src/neo/Ledger/ContractState.cs
@@ -16,9 +16,6 @@ public class ContractState : ICloneable<ContractState>, ISerializable, IInterope
         public byte[] Script;
         public ContractManifest Manifest;
 
-        public bool HasStorage => Manifest.Features.HasFlag(ContractFeatures.HasStorage);
-        public bool Payable => Manifest.Features.HasFlag(ContractFeatures.Payable);
-
         private UInt160 _scriptHash;
         public UInt160 ScriptHash
         {
@@ -82,7 +79,7 @@ public JObject ToJson()
 
         public StackItem ToStackItem(ReferenceCounter referenceCounter)
         {
-            return new Array(referenceCounter, new StackItem[] { Script, Manifest.ToString(), HasStorage, Payable });
+            return new Array(referenceCounter, new StackItem[] { Script, Manifest.ToString() });
         }
     }
 }
diff --git a/src/neo/SmartContract/ApplicationEngine.Contract.cs b/src/neo/SmartContract/ApplicationEngine.Contract.cs
@@ -96,8 +96,6 @@ protected internal void UpdateContract(byte[] script, byte[] manifest)
                 contract.Manifest = ContractManifest.Parse(manifest);
                 if (!contract.Manifest.IsValid(contract.ScriptHash))
                     throw new InvalidOperationException($"Invalid Manifest Hash: {contract.ScriptHash}");
-                if (!contract.HasStorage && Snapshot.Storages.Find(BitConverter.GetBytes(contract.Id)).Any())
-                    throw new InvalidOperationException($"Contract Does Not Support Storage But Uses Storage");
             }
             if (script != null)
             {
@@ -113,9 +111,8 @@ protected internal void DestroyContract()
             ContractState contract = Snapshot.Contracts.TryGet(hash);
             if (contract == null) return;
             Snapshot.Contracts.Delete(hash);
-            if (contract.HasStorage)
-                foreach (var (key, _) in Snapshot.Storages.Find(BitConverter.GetBytes(contract.Id)))
-                    Snapshot.Storages.Delete(key);
+            foreach (var (key, _) in Snapshot.Storages.Find(BitConverter.GetBytes(contract.Id)))
+                Snapshot.Storages.Delete(key);
         }
 
         protected internal void CallContract(UInt160 contractHash, string method, Array args)

diff --git a/src/neo/SmartContract/ApplicationEngine.Storage.cs b/src/neo/SmartContract/ApplicationEngine.Storage.cs
@@ -23,7 +23,6 @@ partial class ApplicationEngine
         protected internal StorageContext GetStorageContext()
         {
             ContractState contract = Snapshot.Contracts.TryGet(CurrentScriptHash);
-            if (!contract.HasStorage) throw new InvalidOperationException();
             return new StorageContext
             {
                 Id = contract.Id,
@@ -34,7 +33,6 @@ protected internal StorageContext GetStorageContext()
         protected internal StorageContext GetReadOnlyContext()
         {
             ContractState contract = Snapshot.Contracts.TryGet(CurrentScriptHash);
-            if (!contract.HasStorage) throw new InvalidOperationException();
             return new StorageContext
             {
                 Id = contract.Id,

diff --git a/src/neo/SmartContract/Manifest/ContractFeatures.cs b/src/neo/SmartContract/Manifest/ContractFeatures.cs
diff --git a/src/neo/SmartContract/Manifest/ContractManifest.cs b/src/neo/SmartContract/Manifest/ContractManifest.cs
@@ -39,11 +39,6 @@ public int Size
         /// </summary>
         public ContractGroup[] Groups { get; set; }
 
-        /// <summary>
-        /// The features field describes what features are available for the contract.
-        /// </summary>
-        public ContractFeatures Features { get; set; }
-
         /// <summary>
         /// NEP10 - SupportedStandards
         /// </summary>
@@ -116,11 +111,6 @@ public JObject ToJson()
             return new JObject
             {
                 ["groups"] = Groups.Select(u => u.ToJson()).ToArray(),
-                ["features"] = new JObject
-                {
-                    ["storage"] = Features.HasFlag(ContractFeatures.HasStorage),
-                    ["payable"] = Features.HasFlag(ContractFeatures.Payable)
-                },
                 ["supportedstandards"] = SupportedStandards.Select(u => new JString(u)).ToArray(),
                 ["abi"] = Abi.ToJson(),
                 ["permissions"] = Permissions.Select(p => p.ToJson()).ToArray(),
@@ -139,7 +129,6 @@ public ContractManifest Clone()
             return new ContractManifest
             {
                 Groups = Groups.Select(p => p.Clone()).ToArray(),
-                Features = Features,
                 SupportedStandards = SupportedStandards[..],
                 Abi = Abi.Clone(),
                 Permissions = Permissions.Select(p => p.Clone()).ToArray(),
@@ -168,9 +157,6 @@ public void Deserialize(BinaryReader reader)
         private void DeserializeFromJson(JObject json)
         {
             Groups = ((JArray)json["groups"]).Select(u => ContractGroup.FromJson(u)).ToArray();
-            Features = ContractFeatures.NoProperty;
-            if (json["features"]["storage"].AsBoolean()) Features |= ContractFeatures.HasStorage;
-            if (json["features"]["payable"].AsBoolean()) Features |= ContractFeatures.Payable;
             SupportedStandards = ((JArray)json["supportedstandards"]).Select(u => u.AsString()).ToArray();
             Abi = ContractAbi.FromJson(json["abi"]);
             Permissions = ((JArray)json["permissions"]).Select(u => ContractPermission.FromJson(u)).ToArray();

diff --git a/src/neo/SmartContract/Native/Designate/DesignateContract.cs b/src/neo/SmartContract/Native/Designate/DesignateContract.cs
@@ -6,7 +6,6 @@
 using Neo.IO.Caching;
 using Neo.Ledger;
 using Neo.Persistence;
-using Neo.SmartContract.Manifest;
 using Neo.VM;
 using Neo.VM.Types;
 using System;
@@ -22,7 +21,6 @@ public sealed class DesignateContract : NativeContract
 
         internal DesignateContract()
         {
-            Manifest.Features = ContractFeatures.HasStorage;
         }
 
         [ContractMethod(0_01000000, CallFlags.AllowStates)]

diff --git a/src/neo/SmartContract/Native/NativeContract.cs b/src/neo/SmartContract/Native/NativeContract.cs
@@ -63,7 +63,6 @@ protected NativeContract()
             this.Manifest = new ContractManifest
             {
                 Groups = System.Array.Empty<ContractGroup>(),
-                Features = ContractFeatures.NoProperty,
                 SupportedStandards = new string[0],
                 Abi = new ContractAbi()
                 {

diff --git a/src/neo/SmartContract/Native/Oracle/OracleContract.cs b/src/neo/SmartContract/Native/Oracle/OracleContract.cs
@@ -34,8 +34,6 @@ public sealed class OracleContract : NativeContract
 
         internal OracleContract()
         {
-            Manifest.Features = ContractFeatures.HasStorage;
-
             var events = new List<ContractEventDescriptor>(Manifest.Abi.Events)
             {
                 new ContractEventDescriptor

diff --git a/src/neo/SmartContract/Native/PolicyContract.cs b/src/neo/SmartContract/Native/PolicyContract.cs
@@ -4,7 +4,6 @@
 using Neo.Network.P2P;
 using Neo.Network.P2P.Payloads;
 using Neo.Persistence;
-using Neo.SmartContract.Manifest;
 using System;
 using System.Numerics;
 
@@ -21,9 +20,8 @@ public sealed class PolicyContract : NativeContract
         private const byte Prefix_MaxBlockSize = 12;
         private const byte Prefix_MaxBlockSystemFee = 17;
 
-        public PolicyContract()
+        internal PolicyContract()
         {
-            Manifest.Features = ContractFeatures.HasStorage;
         }
 
         [ContractMethod(0_01000000, CallFlags.AllowStates)]

diff --git a/src/neo/SmartContract/Native/Tokens/Nep5Token.cs b/src/neo/SmartContract/Native/Tokens/Nep5Token.cs
@@ -26,7 +26,6 @@ protected Nep5Token()
         {
             this.Factor = BigInteger.Pow(10, Decimals);
 
-            Manifest.Features = ContractFeatures.HasStorage;
             Manifest.SupportedStandards = new[] { "NEP-5" };
 
             var events = new List<ContractEventDescriptor>(Manifest.Abi.Events)
@@ -111,8 +110,6 @@ protected virtual bool Transfer(ApplicationEngine engine, UInt160 from, UInt160
             if (amount.Sign < 0) throw new ArgumentOutOfRangeException(nameof(amount));
             if (!from.Equals(engine.CallingScriptHash) && !engine.CheckWitnessInternal(from))
                 return false;
-            ContractState contract_to = engine.Snapshot.Contracts.TryGet(to);
-            if (contract_to?.Payable == false) return false;
             StorageKey key_from = CreateStorageKey(Prefix_Account).Add(from);
             StorageItem storage_from = engine.Snapshot.Storages.GetAndChange(key_from);
             if (amount.IsZero)

diff --git a/tests/neo.UnitTests/Ledger/UT_ContractState.cs b/tests/neo.UnitTests/Ledger/UT_ContractState.cs
@@ -27,18 +27,6 @@ public void TestSetup()
             };
         }
 
-        [TestMethod]
-        public void TestGetHasStorage()
-        {
-            contract.HasStorage.Should().BeFalse();
-        }
-
-        [TestMethod]
-        public void TestGetPayable()
-        {
-            contract.Payable.Should().BeFalse();
-        }
-
         [TestMethod]
         public void TestGetScriptHash()
         {
@@ -84,7 +72,7 @@ public void TestDeserialize()
         public void TestGetSize()
         {
             ISerializable newContract = contract;
-            newContract.Size.Should().Be(265);
+            newContract.Size.Should().Be(218);
         }
 
         [TestMethod]

diff --git a/tests/neo.UnitTests/SmartContract/Manifest/UT_ContractManifest.cs b/tests/neo.UnitTests/SmartContract/Manifest/UT_ContractManifest.cs
@@ -11,30 +11,18 @@ public class UT_ContractManifest
         [TestMethod]
         public void ParseFromJson_Default()
         {
-            var json = @"{""groups"":[],""features"":{""storage"":false,""payable"":false},""supportedstandards"":[],""abi"":{""hash"":""0x0000000000000000000000000000000000000000"",""methods"":[],""events"":[]},""permissions"":[{""contract"":""*"",""methods"":""*""}],""trusts"":[],""safemethods"":[],""extra"":null}";
+            var json = @"{""groups"":[],""supportedstandards"":[],""abi"":{""hash"":""0x0000000000000000000000000000000000000000"",""methods"":[],""events"":[]},""permissions"":[{""contract"":""*"",""methods"":""*""}],""trusts"":[],""safemethods"":[],""extra"":null}";
             var manifest = ContractManifest.Parse(json);
 
             Assert.AreEqual(manifest.ToString(), json);
             Assert.AreEqual(manifest.ToString(), TestUtils.CreateDefaultManifest(UInt160.Zero).ToString());
             Assert.IsTrue(manifest.IsValid(UInt160.Zero));
         }
 
-        [TestMethod]
-        public void ParseFromJson_Features()
-        {
-            var json = @"{""groups"":[],""features"":{""storage"":true,""payable"":true},""supportedstandards"":[],""abi"":{""hash"":""0x0000000000000000000000000000000000000000"",""methods"":[],""events"":[]},""permissions"":[{""contract"":""*"",""methods"":""*""}],""trusts"":[],""safemethods"":[],""extra"":null}";
-            var manifest = ContractManifest.Parse(json);
-            Assert.AreEqual(manifest.ToJson().ToString(), json);
-
-            var check = TestUtils.CreateDefaultManifest(UInt160.Zero);
-            check.Features = ContractFeatures.HasStorage | ContractFeatures.Payable;
-            Assert.AreEqual(manifest.ToString(), check.ToString());
-        }
-
         [TestMethod]
         public void ParseFromJson_Permissions()
         {
-            var json = @"{""groups"":[],""features"":{""storage"":false,""payable"":false},""supportedstandards"":[],""abi"":{""hash"":""0x0000000000000000000000000000000000000000"",""methods"":[],""events"":[]},""permissions"":[{""contract"":""0x0000000000000000000000000000000000000000"",""methods"":[""method1"",""method2""]}],""trusts"":[],""safemethods"":[],""extra"":null}";
+            var json = @"{""groups"":[],""supportedstandards"":[],""abi"":{""hash"":""0x0000000000000000000000000000000000000000"",""methods"":[],""events"":[]},""permissions"":[{""contract"":""0x0000000000000000000000000000000000000000"",""methods"":[""method1"",""method2""]}],""trusts"":[],""safemethods"":[],""extra"":null}";
             var manifest = ContractManifest.Parse(json);
             Assert.AreEqual(manifest.ToString(), json);
 
@@ -53,7 +41,7 @@ public void ParseFromJson_Permissions()
         [TestMethod]
         public void ParseFromJson_SafeMethods()
         {
-            var json = @"{""groups"":[],""features"":{""storage"":false,""payable"":false},""supportedstandards"":[],""abi"":{""hash"":""0x0000000000000000000000000000000000000000"",""methods"":[],""events"":[]},""permissions"":[{""contract"":""*"",""methods"":""*""}],""trusts"":[],""safemethods"":[""balanceOf""],""extra"":null}";
+            var json = @"{""groups"":[],""supportedstandards"":[],""abi"":{""hash"":""0x0000000000000000000000000000000000000000"",""methods"":[],""events"":[]},""permissions"":[{""contract"":""*"",""methods"":""*""}],""trusts"":[],""safemethods"":[""balanceOf""],""extra"":null}";
             var manifest = ContractManifest.Parse(json);
             Assert.AreEqual(manifest.ToString(), json);
 
@@ -65,7 +53,7 @@ public void ParseFromJson_SafeMethods()
         [TestMethod]
         public void ParseFromJson_Trust()
         {
-            var json = @"{""groups"":[],""features"":{""storage"":false,""payable"":false},""supportedstandards"":[],""abi"":{""hash"":""0x0000000000000000000000000000000000000000"",""methods"":[],""events"":[]},""permissions"":[{""contract"":""*"",""methods"":""*""}],""trusts"":[""0x0000000000000000000000000000000000000001""],""safemethods"":[],""extra"":null}";
+            var json = @"{""groups"":[],""supportedstandards"":[],""abi"":{""hash"":""0x0000000000000000000000000000000000000000"",""methods"":[],""events"":[]},""permissions"":[{""contract"":""*"",""methods"":""*""}],""trusts"":[""0x0000000000000000000000000000000000000001""],""safemethods"":[],""extra"":null}";
             var manifest = ContractManifest.Parse(json);
             Assert.AreEqual(manifest.ToString(), json);
 
@@ -77,7 +65,7 @@ public void ParseFromJson_Trust()
         [TestMethod]
         public void ParseFromJson_Groups()
         {
-            var json = @"{""groups"":[{""pubkey"":""03b209fd4f53a7170ea4444e0cb0a6bb6a53c2bd016926989cf85f9b0fba17a70c"",""signature"":""QUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQQ==""}],""features"":{""storage"":false,""payable"":false},""supportedstandards"":[],""abi"":{""hash"":""0x0000000000000000000000000000000000000000"",""methods"":[],""events"":[]},""permissions"":[{""contract"":""*"",""methods"":""*""}],""trusts"":[],""safemethods"":[],""extra"":null}";
+            var json = @"{""groups"":[{""pubkey"":""03b209fd4f53a7170ea4444e0cb0a6bb6a53c2bd016926989cf85f9b0fba17a70c"",""signature"":""QUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQQ==""}],""supportedstandards"":[],""abi"":{""hash"":""0x0000000000000000000000000000000000000000"",""methods"":[],""events"":[]},""permissions"":[{""contract"":""*"",""methods"":""*""}],""trusts"":[],""safemethods"":[],""extra"":null}";
             var manifest = ContractManifest.Parse(json);
             Assert.AreEqual(manifest.ToString(), json);
 
@@ -89,7 +77,7 @@ public void ParseFromJson_Groups()
         [TestMethod]
         public void ParseFromJson_Extra()
         {
-            var json = @"{""groups"":[],""features"":{""storage"":false,""payable"":false},""supportedstandards"":[],""abi"":{""hash"":""0x0000000000000000000000000000000000000000"",""methods"":[],""events"":[]},""permissions"":[{""contract"":""*"",""methods"":""*""}],""trusts"":[],""safemethods"":[],""extra"":{""key"":""value""}}";
+            var json = @"{""groups"":[],""supportedstandards"":[],""abi"":{""hash"":""0x0000000000000000000000000000000000000000"",""methods"":[],""events"":[]},""permissions"":[{""contract"":""*"",""methods"":""*""}],""trusts"":[],""safemethods"":[],""extra"":{""key"":""value""}}";
             var manifest = ContractManifest.Parse(json);
             Assert.AreEqual(json, json);
             Assert.AreEqual("value", manifest.Extra["key"].AsString(), false);
@@ -122,7 +110,7 @@ public void TestGetHash()
         public void TestGetSize()
         {
             var temp = TestUtils.CreateDefaultManifest(UInt160.Zero);
-            Assert.AreEqual(259, temp.Size);
+            Assert.AreEqual(212, temp.Size);
         }
 
         [TestMethod]

diff --git a/tests/neo.UnitTests/SmartContract/UT_InteropPrices.cs b/tests/neo.UnitTests/SmartContract/UT_InteropPrices.cs
@@ -2,7 +2,6 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using Neo.Ledger;
 using Neo.SmartContract;
-using Neo.SmartContract.Manifest;
 using Neo.VM;
 
 namespace Neo.UnitTests.SmartContract
@@ -56,7 +55,6 @@ public void ApplicationEngineRegularPut()
             byte[] script = CreatePutScript(key, value);
 
             ContractState contractState = TestUtils.GetContract(script);
-            contractState.Manifest.Features = ContractFeatures.HasStorage;
 
             StorageKey skey = TestUtils.GetStorageKey(contractState.Id, key);
             StorageItem sItem = TestUtils.GetStorageItem(new byte[0] { });
@@ -90,7 +88,6 @@ public void ApplicationEngineReusedStorage_FullReuse()
             byte[] script = CreatePutScript(key, value);
 
             ContractState contractState = TestUtils.GetContract(script);
-            contractState.Manifest.Features = ContractFeatures.HasStorage;
 
             StorageKey skey = TestUtils.GetStorageKey(contractState.Id, key);
             StorageItem sItem = TestUtils.GetStorageItem(value);
@@ -126,7 +123,6 @@ public void ApplicationEngineReusedStorage_PartialReuse()
             byte[] script = CreatePutScript(key, value);
 
             ContractState contractState = TestUtils.GetContract(script);
-            contractState.Manifest.Features = ContractFeatures.HasStorage;
 
             StorageKey skey = TestUtils.GetStorageKey(contractState.Id, key);
             StorageItem sItem = TestUtils.GetStorageItem(oldValue);
@@ -163,7 +159,6 @@ public void ApplicationEngineReusedStorage_PartialReuseTwice()
             byte[] script = CreateMultiplePutScript(key, value);
 
             ContractState contractState = TestUtils.GetContract(script);
-            contractState.Manifest.Features = ContractFeatures.HasStorage;
 
             StorageKey skey = TestUtils.GetStorageKey(contractState.Id, key);
             StorageItem sItem = TestUtils.GetStorageItem(oldValue);

diff --git a/tests/neo.UnitTests/SmartContract/UT_InteropService.NEO.cs b/tests/neo.UnitTests/SmartContract/UT_InteropService.NEO.cs
@@ -176,10 +176,8 @@ public void TestContract_Update()
                     Signature = signature
                 }
             };
-            manifest.Features = ContractFeatures.HasStorage;
             var snapshot = Blockchain.Singleton.GetSnapshot();
             var state = TestUtils.GetContract();
-            state.Manifest.Features = ContractFeatures.HasStorage;
             var storageItem = new StorageItem
             {
                 Value = new byte[] { 0x01 },
@@ -215,7 +213,6 @@ public void TestStorage_Find()
         {
             var snapshot = Blockchain.Singleton.GetSnapshot();
             var state = TestUtils.GetContract();
-            state.Manifest.Features = ContractFeatures.HasStorage;
 
             var storageItem = new StorageItem
             {