Orderbookv1.1

Swap/flamingo-contract-swap/FlamingoSwapOrderBook/Extensions.cs

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+using System.Numerics;
+using Neo;
+using Neo.SmartContract.Framework;
+using Neo.SmartContract.Framework.Attributes;
+
+namespace FlamingoSwapOrderBook
+{
+    public static class Extensions
+    {
+        /// <summary>
+        /// uint160 转为正整数,用于合约地址排序，其它场景勿用 
+        /// </summary>
+        /// <param name="val">合约地址</param>
+        /// <returns></returns>
+        [OpCode(OpCode.PUSHDATA1, "0100")]
+        [OpCode(OpCode.CAT)]
+        [OpCode(OpCode.CONVERT, "21")]
+        public static extern BigInteger ToUInteger(this UInt160 val);
+
+        /// <summary>
+        /// Is Valid and not Zero address
+        /// </summary>
+        /// <param name="address"></param>
+        /// <returns></returns>
+        public static bool IsAddress(this UInt160 address)
+        {
+            return address.IsValid && !address.IsZero;
+        }
+    }
+}

Swap/flamingo-contract-swap/FlamingoSwapOrderBook/FlamingoSwapOrderBook.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+    <PropertyGroup>
+        <TargetFramework>net6.0</TargetFramework>
+    </PropertyGroup>
+    <ItemGroup>
+        <PackageReference Include="Neo3.Compiler.CSharp.Dev" Version="3.1.0" />
+        <PackageReference Include="Neo.SmartContract.Framework" Version="3.1.0" />
+    </ItemGroup>
+    <Target Name="PostBuild" AfterTargets="PostBuildEvent">
+        <Exec Command="$(neon3) $(ProjectDir)" />
+    </Target>
+</Project>

Swap/flamingo-contract-swap/FlamingoSwapOrderBook/FlamingoSwapOrderBookContract.Admin.cs

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+using Neo;
+using Neo.SmartContract;
+using Neo.SmartContract.Framework;
+using Neo.SmartContract.Framework.Attributes;
+using Neo.SmartContract.Framework.Native;
+using Neo.SmartContract.Framework.Services;
+
+namespace FlamingoSwapOrderBook
+{
+    public partial class FlamingoSwapOrderBookContract
+    {
+        #region Admin
+
+#warning Update the admin address if necessary
+        [InitialValue("NdrUjmLFCmr6RjM52njho5sFUeeTdKPxG9", ContractParameterType.Hash160)]
+        static readonly UInt160 superAdmin = default;
+
+        [InitialValue("0xc0695bdb8a87a40aff33c73ff6349ccc05fa9f01", ContractParameterType.Hash160)]
+        static readonly UInt160 Factory = default;
+
+        [InitialValue("0x48c40d4666f93408be1bef038b6722404d9a4c2a", ContractParameterType.Hash160)]
+        static readonly UInt160 bNEO = default;
+
+        private const string AdminKey = nameof(superAdmin);
+        private const string GASAdminKey = nameof(GASAdminKey);
+        private const string FundAddresskey = nameof(FundAddresskey);
+
+        private static readonly byte[] OrderIDKey = new byte[] { 0x00 };
+        private static readonly byte[] BookMapPrefix = new byte[] { 0x01 };
+        private static readonly byte[] OrderMapPrefix = new byte[] { 0x02 };
+        private static readonly byte[] ReceiptMapPrefix = new byte[] { 0x03 };
+        private static readonly byte[] PauseMapPrefix = new byte[] { 0x04 };
+        private static readonly byte[] FeeMapPrefix = new byte[] { 0x05 };
+
+        // When this contract address is included in the transaction signature,
+        // this method will be triggered as a VerificationTrigger to verify that the signature is correct.
+        // For example, this method needs to be called when withdrawing token from the contract.
+        [Safe]
+        public static bool Verify() => Runtime.CheckWitness(GetAdmin());
+
+        [Safe]
+        public static UInt160 GetAdmin()
+        {
+            var admin = Storage.Get(Storage.CurrentReadOnlyContext, AdminKey);
+            return admin?.Length == 20 ? (UInt160)admin : superAdmin;
+        }
+
+        public static bool SetAdmin(UInt160 admin)
+        {
+            Assert(Verify(), "No Authorization");
+            Assert(admin.IsAddress(), "Invalid Address");
+            Storage.Put(Storage.CurrentContext, AdminKey, admin);
+            return true;
+        }
+
+        public static void ClaimGASFrombNEO(UInt160 receiveAddress)
+        {
+            Assert(Runtime.CheckWitness(GetGASAdmin()), "Forbidden");
+            var me = Runtime.ExecutingScriptHash;
+            var beforeBalance = GAS.BalanceOf(me);
+            Assert((bool)Contract.Call(bNEO, "transfer", CallFlags.All, Runtime.ExecutingScriptHash, bNEO, 0, null), "claim fail");
+            var afterBalance = GAS.BalanceOf(me);
+
+            GAS.Transfer(me, receiveAddress, afterBalance - beforeBalance);
+        }
+
+        [Safe]
+        public static UInt160 GetGASAdmin()
+        {
+            var address = Storage.Get(Storage.CurrentReadOnlyContext, GASAdminKey);
+            return address?.Length == 20 ? (UInt160)address : null;
+        }
+
+        public static bool SetGASAdmin(UInt160 GASAdmin)
+        {
+            Assert(GASAdmin.IsAddress(), "Invalid Address");
+            Assert(Verify(), "No Authorization");
+            Storage.Put(Storage.CurrentContext, GASAdminKey, GASAdmin);
+            return true;
+        }
+        #endregion
+
+        #region FundFee
+
+        [Safe]
+        public static UInt160 GetFundAddress()
+        {
+            var address = Storage.Get(Storage.CurrentReadOnlyContext, FundAddresskey);
+            return address?.Length == 20 ? (UInt160)address : null;
+        }
+
+        public static bool SetFundAddress(UInt160 address)
+        {
+            Assert(address.IsAddress(), "Invalid Address");
+            Assert(Verify(), "No Authorization");
+            Storage.Put(Storage.CurrentContext, FundAddresskey, address);
+            return true;
+        }
+        #endregion
+
+        #region Upgrade
+
+        public static void Update(ByteString nefFile, string manifest)
+        {
+            Assert(Verify(), "No Authorization");
+            ContractManagement.Update(nefFile, manifest, null);
+        }
+        #endregion
+    }
+}

Swap/flamingo-contract-swap/FlamingoSwapOrderBook/FlamingoSwapOrderBookContract.Event.cs

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+using System.ComponentModel;
+using System.Numerics;
+using Neo;
+using Neo.SmartContract.Framework;
+
+namespace FlamingoSwapOrderBook
+{
+    public partial class FlamingoSwapOrderBookContract
+    {
+        /// <summary>
+        /// When orderbook status changed
+        /// </summary>
+        [DisplayName("BookStatusChanged")]
+        public static event BookStatusChangedEvent onBookStatusChanged;
+        public delegate void BookStatusChangedEvent(UInt160 baseToken, UInt160 quoteToken, BigInteger quoteScale, BigInteger minOrderAmount, BigInteger maxOrderAmount, bool isPaused);
+
+        /// <summary>
+        /// When order status changed
+        /// </summary>
+        [DisplayName("OrderStatusChanged")]
+        public static event OrderStatusChangedEvent onOrderStatusChanged;
+        public delegate void OrderStatusChangedEvent(UInt160 baseToken, UInt160 quoteToken, ByteString id, bool isBuy, UInt160 maker, BigInteger price, BigInteger leftAmount);
+    }
+}