From fdae9233aff36de604b9a160a7bc105ca870cc62 Mon Sep 17 00:00:00 2001
From: Jiwon <me@atralupus.com>
Date: Wed, 11 Oct 2023 10:28:15 +0900
Subject: [PATCH] Merge pull request #2168 from
 planetarium/feat/disallowed-accounts

[Feature] Add access control service interface
---
 .../IAccessControlService.cs                  |  9 ++++++
 Lib9c.Policy/NCStagePolicy.cs                 | 30 ++++---------------
 2 files changed, 14 insertions(+), 25 deletions(-)
 create mode 100644 Lib9c.Policy/AccessControlService/IAccessControlService.cs

diff --git a/Lib9c.Policy/AccessControlService/IAccessControlService.cs b/Lib9c.Policy/AccessControlService/IAccessControlService.cs
new file mode 100644
index 0000000000..4bbb032430
--- /dev/null
+++ b/Lib9c.Policy/AccessControlService/IAccessControlService.cs
@@ -0,0 +1,9 @@
+using Libplanet.Crypto;
+
+namespace Nekoyume.Blockchain
+{
+    public interface IAccessControlService
+    {
+        public bool IsAccessDenied(Address address);
+    }
+}
diff --git a/Lib9c.Policy/NCStagePolicy.cs b/Lib9c.Policy/NCStagePolicy.cs
index dac09c7ad1..dec62b5687 100644
--- a/Lib9c.Policy/NCStagePolicy.cs
+++ b/Lib9c.Policy/NCStagePolicy.cs
@@ -15,31 +15,9 @@ public class NCStagePolicy : IStagePolicy
         private readonly VolatileStagePolicy _impl;
         private readonly ConcurrentDictionary<Address, SortedList<Transaction, TxId>> _txs;
         private readonly int _quotaPerSigner;
+        private IAccessControlService? _accessControlService;
 
-        private static readonly ImmutableHashSet<Address> _bannedAccounts = new[]
-        {
-            new Address("de96aa7702a7a1fd18ee0f84a5a0c7a2c28ec840"),
-            new Address("153281c93274bEB9726A03C33d3F19a8D78ad805"),
-            new Address("7035AA8B7F9fB5db026fb843CbB21C03dd278502"),
-            new Address("52393Ea89DF0E58152cbFE673d415159aa7B9dBd"),
-            new Address("2D1Db6dBF1a013D648Efd16d85B4079dCF88B4CC"),
-            new Address("dE30E00917B583305f14aD21Eafc70f1b183b779"),
-            new Address("B892052f1E10bf700143dd9bEcd81E31CD7f7095"),
-
-            new Address("C0a90FC489738A1153F793A3272A91913aF3956b"),
-            new Address("b8D7bD4394980dcc2579019C39bA6b41cb6424E1"),
-            new Address("555221D1CEA826C55929b8A559CA929574f7C6B3"),
-            new Address("B892052f1E10bf700143dd9bEcd81E31CD7f7095"),
-            // v100351
-            new Address("0xd7e1b90dea34108fb2d3a6ac7dbf3f33bae2c77d"),
-            // v200060
-            new Address("3FadCb61827E4B70eBAFAF61E2c02fc2711FBb5A"),
-            new Address("7655122899Ccd2cC87B38A35D7158c9516504119"),
-            new Address("3165fda4aAE0362EFFd8Ae6e8674AA49381b4485"),
-            new Address("CAFC88175f88973d01e6A9479b31eC0beb020b8a"),
-        }.ToImmutableHashSet();
-
-        public NCStagePolicy(TimeSpan txLifeTime, int quotaPerSigner)
+        public NCStagePolicy(TimeSpan txLifeTime, int quotaPerSigner, IAccessControlService? accessControlService = null)
         {
             if (quotaPerSigner < 1)
             {
@@ -52,6 +30,8 @@ public NCStagePolicy(TimeSpan txLifeTime, int quotaPerSigner)
             _impl = (txLifeTime == default)
                 ? new VolatileStagePolicy()
                 : new VolatileStagePolicy(txLifeTime);
+
+            _accessControlService = accessControlService;
         }
 
         public Transaction Get(BlockChain blockChain, TxId id, bool filtered = true)
@@ -97,7 +77,7 @@ public IEnumerable<Transaction> Iterate(BlockChain blockChain, bool filtered = t
 
         public bool Stage(BlockChain blockChain, Transaction transaction)
         {
-            if (_bannedAccounts.Contains(transaction.Signer))
+            if (_accessControlService != null && _accessControlService.IsAccessDenied(transaction.Signer))
             {
                 return false;
             }