Adjust gas consumption for external handlers

src/Lachain.Core/Blockchain/Hardfork/HardforkHeights.cs

@@ -104,6 +104,8 @@ public static bool IsHardfork_15Active(ulong height)
             return height >= Hardfork_15;
         }
 
+        // adjust gas consumption
+        // allow contract balance transfer in ExternalHandler.cs
         public static bool IsHardfork_16Active(ulong height)
         {
             return height >= Hardfork_16;

src/Lachain.Core/Blockchain/Operations/BlockManager.cs

@@ -511,6 +511,7 @@ out Money totalFee
                             throw new InvalidBlockException(OperatingError.BlockGasOverflow);
                         Logger.LogWarning(
                             $"Unable to take transaction {txHash.ToHex()} with gas {receipt.GasUsed}, block gas limit overflowed {gasUsed}/{GasMetering.DefaultBlockGasLimit}");
+                        gasUsed -= receipt.GasUsed;
                         continue;
                     }
                     else Logger.LogInformation($"Block gas limit after execution ok for tx : {txHash.ToHex()}");

src/Lachain.Core/Blockchain/VM/GasMetering.cs

@@ -7,13 +7,18 @@ public class GasMetering
         public const ulong InputDataGasPerByte = 10;
 
         public const ulong CopyFromMemoryGasPerByte = 10;
+        public const ulong NewCopyFromMemoryGasPerByte = 100;
         public const ulong CopyToMemoryGasPerByte = 10;
+        public const ulong NewCopyToMemoryGasPerByte = 100;
         public const ulong GetCallValueGasCost = 100;
         public const ulong GetCallSizeGasCost = 10;
         public const ulong GetReturnValueGasCost = 100;
         public const ulong GetReturnSizeGasCost = 10;
+        public const ulong SetReturnGasCost = 100;
+        public const ulong GetGasLeftGasCost = 100;
         public const ulong CopyCodeValueGasCost = 100;
         public const ulong GetCodeSizeGasCost = 10;
+        public const ulong InvokeContractGasCost = 200_000;
         public const ulong TransferFundsGasCost = 3_000_000;
         public const ulong LoadStorageGasCost = 500_000;
         public const ulong SaveStorageGasCost = 3_000_000;
@@ -25,7 +30,9 @@ public class GasMetering
         public const ulong Ripemd160GasCost = 0;
         public const ulong Ripemd160GasPerByte = 100_000;
         public const ulong RecoverGasCost = 100_000;
+        public const ulong NewRecoverGasCost = 1_000_000;
         public const ulong VerifyGasCost = 60_000;
+        public const ulong NewVerifyGasCost = 1_000_000;
         public const ulong WriteEventPerByteGas = SaveStorageGasCost / 32;
         public const ulong CallDataLoad = 1_000;
         public const ulong MLoad = 1_000;

test/Lachain.CoreTest/RPC/HTTP/Web3/Web3TransactionTests.cs

@@ -336,10 +336,41 @@ public void Test_EstimateGas()
         {
             _blockManager.TryBuildGenesisBlock();
 
-            var keyPair = _privateWallet!.EcdsaKeyPair;
-            GenerateBlocks(1, 1);
+
+            // after hardfork:
+            while (!HardforkHeights.IsHardfork_16Active(_blockManager.GetHeight()))
+                GenerateBlocks(_blockManager.GetHeight() + 1, _blockManager.GetHeight() + 1);
+
+            DeployAndTestContract("0x2e356e");
+
+            var receipt = TestUtils.GetRandomTransaction(false);
+            var opts = new JObject
+            {
+                ["from"] = receipt.Transaction.From.ToHex(),
+                ["to"] = receipt.Transaction.To.ToHex(),
+            };
+
+            var result = _apiService!.EstimateGas(opts);
+            Assert.AreNotEqual(result, "0x");
+        }
 
+        [Test]
+        /// Changed from private to public
+        [Ignore("fix it")]
+        public void Test_GetNetworkGasPrice()
+        {
+            var gasPrice_Expected = "0x1";
+
+            var gasPrice_Actual = _apiService!.GetNetworkGasPrice();
+
+            Assert.AreEqual(gasPrice_Expected, gasPrice_Actual);
+
+        }
+
+        private void DeployAndTestContract(string gasEstimate)
+        {
             // Deploy contract 
+            var keyPair = _privateWallet!.EcdsaKeyPair;
             var byteCode = ByteCodeHex.HexToBytes();
             Assert.That(VirtualMachine.VerifyContract(byteCode, true), "Unable to validate smart-contract code");
             var from = keyPair.PublicKey.GetAddress();
@@ -352,7 +383,7 @@ public void Test_EstimateGas()
             var tx = _transactionBuilder.DeployTransaction(from, byteCode);
             var signedTx = _transactionSigner.Sign(tx, keyPair, HardforkHeights.IsHardfork_9Active(2));
             Assert.That(_transactionPool.Add(signedTx) == OperatingError.Ok, "Can't add deploy tx to pool");
-            GenerateBlocks(2, 2);
+            GenerateBlocks(_blockManager.GetHeight() + 1, _blockManager.GetHeight() + 1);
 
             // check contract is deployed
             var contract = _stateManager.LastApprovedSnapshot.Contracts.GetContractByHash(contractHash);
@@ -369,30 +400,8 @@ public void Test_EstimateGas()
             };
 
             var result = _apiService!.EstimateGas(opts);
-            Assert.AreEqual(result, "0x2e1d22");
-
-            var receipt = TestUtils.GetRandomTransaction(false);
-            opts = new JObject
-            {
-                ["from"] = receipt.Transaction.From.ToHex(),
-                ["to"] = receipt.Transaction.To.ToHex(),
-            };
-
-            result = _apiService!.EstimateGas(opts);
-            Assert.AreNotEqual(result, "0x");
-        }
-
-        [Test]
-        /// Changed from private to public
-        [Ignore("fix it")]
-        public void Test_GetNetworkGasPrice()
-        {
-            var gasPrice_Expected = "0x1";
-
-            var gasPrice_Actual = _apiService!.GetNetworkGasPrice();
-
-            Assert.AreEqual(gasPrice_Expected, gasPrice_Actual);
-
+            System.Console.WriteLine(HardforkHeights.IsHardfork_16Active(_blockManager.GetHeight()));
+            Assert.AreEqual(result, gasEstimate);
         }
 
         // Below methods Execute a Transaction

test/Lachain.CoreTest/Resources/config2.json

@@ -58,7 +58,8 @@
     "hardfork_12": 0,
     "hardfork_13": 0,
     "hardfork_14": 0,
-    "hardfork_15": 0
+    "hardfork_15": 0,
+    "hardfork_16": 10
   },
   "storage": {
     "provider": "RocksDB",

test/Lachain.StorageTest/StorageIntergrationTest.cs

@@ -1,11 +1,14 @@
+using System;
 using System.IO;
 using System.Reflection;
 using Lachain.Core.CLI;
 using Lachain.Core.Config;
 using Lachain.Core.DI;
 using Lachain.Core.DI.Modules;
 using Lachain.Core.DI.SimpleInjector;
+using Lachain.Crypto;
 using Lachain.Storage.State;
+using Lachain.Utility.Serialization;
 using Lachain.Utility.Utils;
 using Lachain.UtilityTest;
 using NUnit.Framework;