Support for legacy tx chains w/ local wallets + overrides

Author: 0xFirekeeper

Assets/Thirdweb/Core/Scripts/Contract.cs

@@ -202,9 +202,12 @@ public async Task<TransactionResult> Write(string functionName, TransactionReque
                         ? new HexBigInteger(BigInteger.Parse(transactionOverrides?.gasLimit))
                         : await function.EstimateGasAsync(await ThirdwebManager.Instance.SDK.wallet.GetAddress(), null, value, args);
 
+                var gasPrice = transactionOverrides?.gasPrice != null ? new HexBigInteger(BigInteger.Parse(transactionOverrides?.gasPrice)) : null;
+
                 var receipt = await function.SendTransactionAndWaitForReceiptAsync(
                     from: transactionOverrides?.from ?? await ThirdwebManager.Instance.SDK.wallet.GetAddress(),
                     gas: gas,
+                    gasPrice: gasPrice,
                     value: value,
                     receiptRequestCancellationToken: null,
                     args

Assets/Thirdweb/Core/Scripts/ThirdwebSession.cs

@@ -180,6 +180,7 @@ internal async Task EnsureCorrectNetwork(BigInteger newChainId)
             CurrentChainData = newChainData;
             RPC = CurrentChainData.rpcUrls[0];
             Web3 = await ActiveWallet.GetWeb3();
+            Web3.TransactionManager.UseLegacyAsDefault = !Utils.Supports1559(newChainId.ToString());
             Web3.Client.OverridingRequestInterceptor = new ThirdwebInterceptor(ActiveWallet);
         }
 
@@ -200,19 +201,20 @@ private async Task AddNetwork(ThirdwebChainData newChainData)
         public static ThirdwebChainData FetchChainData(BigInteger chainId, string rpcOverride = null)
         {
             var allChainsJson = (TextAsset)Resources.Load("all_chains", typeof(TextAsset));
+            var allChainsData = JsonConvert.DeserializeObject<List<ChainIDNetworkData>>(allChainsJson.text, new JsonSerializerSettings { NullValueHandling = NullValueHandling.Include });
 
-            List<ChainIDNetworkData> allNetworkData = JsonConvert.DeserializeObject<List<ChainIDNetworkData>>(
-                allChainsJson.text,
-                new JsonSerializerSettings { NullValueHandling = NullValueHandling.Include }
-            );
+            var additionalChainsJson = (TextAsset)Resources.Load("all_chains_additional", typeof(TextAsset));
+            var additionalChainsData = JsonConvert.DeserializeObject<List<ChainIDNetworkData>>(additionalChainsJson.text, new JsonSerializerSettings { NullValueHandling = NullValueHandling.Include });
 
-            ChainIDNetworkData currentNetwork = allNetworkData.Find(x => x.chainId == chainId.ToString());
+            allChainsData.AddRange(additionalChainsData);
+
+            ChainIDNetworkData currentNetwork = allChainsData.Find(x => x.chainId == chainId.ToString());
 
             var explorerUrls = new List<string>();
             if (currentNetwork.explorers != null)
             {
                 foreach (var explorer in currentNetwork.explorers)
-                    explorerUrls.Add(explorer.url);
+                    explorerUrls.Add(explorer.url.Replace("http://", "https://"));
             }
             if (explorerUrls.Count == 0)
                 explorerUrls.Add("https://etherscan.io");

Assets/Thirdweb/Core/Scripts/Utils.cs

@@ -434,5 +434,23 @@ public static string GetNativeTokenWrapper(BigInteger chainId)
                 _ => throw new UnityException("Native Token Wrapper Unavailable For This Chain!"),
             };
         }
+
+        public static bool Supports1559(string chainId)
+        {
+            switch (chainId)
+            {
+                // BNB Mainnet
+                case "56":
+                // BNB Testnet
+                case "97":
+                // opBNB Mainnet
+                case "204":
+                // opBNB Testnet
+                case "5611":
+                    return false;
+                default:
+                    return true;
+            }
+        }
     }
 }