feat: add max gas price to action context

limebell · Apr 22, 2024 · 5f458fb · 5f458fb
1 parent 5cbb2c6
commit 5f458fb
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Showing 3 changed files with 21 additions and 3 deletions.
diff --git a/Libplanet.Action/ActionContext.cs b/Libplanet.Action/ActionContext.cs
@@ -1,7 +1,9 @@
 using System;
+using System.Diagnostics.Contracts;
 using System.Threading;
 using Libplanet.Action.State;
 using Libplanet.Crypto;
+using Libplanet.Types.Assets;
 using Libplanet.Types.Blocks;
 using Libplanet.Types.Tx;
 
@@ -22,7 +24,8 @@ public ActionContext(
             BlockCommit? lastCommit,
             IWorld previousState,
             int randomSeed,
-            long gasLimit)
+            long gasLimit,
+            FungibleAssetValue? maxGasPrice)
         {
             Signer = signer;
             TxId = txid;
@@ -33,6 +36,7 @@ public ActionContext(
             PreviousState = previousState;
             RandomSeed = randomSeed;
             _gasLimit = gasLimit;
+            MaxGasPrice = maxGasPrice;
 
             GetGasMeter.Value = new GasMeter(_gasLimit);
         }
@@ -64,6 +68,10 @@ public ActionContext(
         /// <inheritdoc cref="IActionContext.BlockAction"/>
         public bool BlockAction => TxId is null;
 
+        /// <inheritdoc cref="IActionContext.MaxGasPrice"/>
+        [Pure]
+        public FungibleAssetValue? MaxGasPrice { get; }
+
         /// <inheritdoc cref="IActionContext.UseGas(long)"/>
         public void UseGas(long gas) => GetGasMeter.Value?.UseGas(gas);
 

diff --git a/Libplanet.Action/ActionEvaluator.cs b/Libplanet.Action/ActionEvaluator.cs
@@ -221,7 +221,8 @@ IActionContext CreateActionContext(
                     lastCommit: blockHeader.LastCommit,
                     previousState: prevState,
                     randomSeed: randomSeed,
-                    gasLimit: actionGasLimit);
+                    gasLimit: actionGasLimit,
+                    maxGasPrice: tx?.MaxGasPrice);
             }
 
             long gasLimit = tx?.GasLimit ?? long.MaxValue;
@@ -285,7 +286,8 @@ IActionContext CreateActionContext(IWorld newPrevState)
                     lastCommit: inputContext.LastCommit,
                     previousState: newPrevState,
                     randomSeed: inputContext.RandomSeed,
-                    gasLimit: inputContext.GasLimit());
+                    gasLimit: inputContext.GasLimit(),
+                    tx?.MaxGasPrice);
             }
 
             try

diff --git a/Libplanet.Action/IActionContext.cs b/Libplanet.Action/IActionContext.cs
@@ -1,6 +1,7 @@
 using System.Diagnostics.Contracts;
 using Libplanet.Action.State;
 using Libplanet.Crypto;
+using Libplanet.Types.Assets;
 using Libplanet.Types.Blocks;
 using Libplanet.Types.Tx;
 
@@ -89,6 +90,13 @@ public interface IActionContext
         [Pure]
         bool BlockAction { get; }
 
+        /// <summary>
+        /// Max gas price set by the transaction.
+        /// <see langword="null"/> if the action does not belongs to a transaction.
+        /// </summary>
+        [Pure]
+        FungibleAssetValue? MaxGasPrice { get; }
+
         /// <summary>
         /// Consumes the specified amount of gas.
         /// </summary>