Merge branch 'master' into quickstart-assembly

Author: andygruening

Packages/Sequence-Unity/Sequence/SequenceSDK/EmbeddedWallet/SequenceWallet.cs

@@ -316,15 +316,15 @@ private async Task<FeeOptionsResponse> DetermineWhichFeeOptionsUserHasInWallet(I
                                 requiredBalance <= etherBalance.balanceWei);
                             break;
                         case FeeTokenType.erc20Token:
+                            var erc20Address = new Address(token.contractAddress);
                             GetTokenBalancesReturn tokenBalances = await indexer.GetTokenBalances(new GetTokenBalancesArgs(
-                                _address, token.contractAddress));
+                                _address, erc20Address));
+                            
                             if (tokenBalances.balances.Length > 0)
                             {
-                                if (tokenBalances.balances[0].contractAddress != token.contractAddress)
-                                {
-                                    throw new Exception(
-                                        $"Expected contract address from indexer response ({tokenBalances.balances[0].contractAddress}) to match contract address we queried ({token.contractAddress})");
-                                }
+                                var balanceAddress = new Address(tokenBalances.balances[0].contractAddress);
+                                if (!balanceAddress.Equals(erc20Address))
+                                    break;
 
                                 decoratedFeeOptions[i] = new FeeOptionReturn(feeOptions.feeOptions[i],
                                     requiredBalance <= tokenBalances.balances[0].balance);

Packages/Sequence-Unity/Sequence/SequenceSDK/Ethereum/Chain.cs

@@ -67,6 +67,7 @@ public enum Chain
         TestnetFrequency = 53716,
         TestnetIncentiv = 11690,
         TestnetIncentivV2 = 28802,
+        TestnetSandbox = 6252,
 
         TestnetXaiSepolia = -1, // Xai Sepolia's testnet's chain ID is too large to fit inside an int
 

Packages/Sequence-Unity/Sequence/SequenceSDK/Ethereum/ChainDictionaries.cs

@@ -86,6 +86,7 @@ public ChainConfig(Chain chain, string chainId, string name, string path, string
             new (Chain.TestnetFrequency, "53716", "Frequency Testnet", "frequency-testnet", "https://explorer.frequency.zeeve.net/", "BERA", "0x0000000000000000000000000000000000000000"),
             new (Chain.TestnetIncentiv, "11690", "Incentiv Testnet", "incentiv-testnet", "https://explorer.testnet.incentiv.net/", "CENT", "0x0000000000000000000000000000000000000000"),
             new (Chain.TestnetIncentivV2, "28802", "Incentiv Testnet v2", "incentiv-testnet-v2", "https://explorer.testnet.incentiv.net/", "TCENT", "0x0000000000000000000000000000000000000000"),
+            new (Chain.TestnetSandbox, "6252", "Sandbox Testnet", "sandbox-testnet", "https://sandbox-testnet.explorer.caldera.xyz/", "SAND", "0x0000000000000000000000000000000000000000"),
         };
 
         public static Dictionary<Chain, string> NameOf;