Remove MinimalForwarder signature support

Eliminated the Forwarder_ForwardRequest type and related EIP712 signature generation methods, as well as associated test code. This streamlines the codebase by removing unused or deprecated minimal forwarder functionality.

Author: 0xFirekeeper

Thirdweb.Tests/Thirdweb.Contracts/Thirdweb.Contracts.Tests.cs

@@ -219,19 +219,6 @@ public async Task SignatureMint_Generate()
         var randomChainId = 421614;
         var randomContractAddress = "0xD04F98C88cE1054c90022EE34d566B9237a1203C";
 
-        // GenerateSignature_MinimalForwarder
-        var forwardRequest = new Forwarder_ForwardRequest
-        {
-            From = "0x123",
-            To = "0x456",
-            Value = BigInteger.Zero,
-            Gas = BigInteger.Zero,
-            Nonce = BigInteger.Zero,
-            Data = "0x",
-        };
-        var signature = await EIP712.GenerateSignature_MinimalForwarder(randomDomain, randomVersion, randomChainId, randomContractAddress, forwardRequest, signer);
-        Assert.NotNull(signature);
-        Assert.StartsWith("0x", signature);
         // GenerateSignature_TokenERC20
         var mintRequest20 = new TokenERC20_MintRequest
         {

Thirdweb/Thirdweb.Extensions/ThirdwebExtensions.Types.cs

@@ -80,59 +80,6 @@ public class ContractMetadata
 
 #endregion
 
-#region Forwarder
-
-/// <summary>
-/// Represents a forward request for a forwarder.
-/// </summary>
-[Struct("ForwardRequest")]
-public class Forwarder_ForwardRequest
-{
-    /// <summary>
-    /// Gets or sets the address of the sender.
-    /// </summary>
-    [Parameter("address", "from", 1)]
-    [JsonProperty("from")]
-    public string From { get; set; }
-
-    /// <summary>
-    /// Gets or sets the address of the recipient.
-    /// </summary>
-    [Parameter("address", "to", 2)]
-    [JsonProperty("to")]
-    public string To { get; set; }
-
-    /// <summary>
-    /// Gets or sets the value to be transferred.
-    /// </summary>
-    [Parameter("uint256", "value", 3)]
-    [JsonProperty("value")]
-    public BigInteger Value { get; set; }
-
-    /// <summary>
-    /// Gets or sets the gas limit for the transaction.
-    /// </summary>
-    [Parameter("uint256", "gas", 4)]
-    [JsonProperty("gas")]
-    public BigInteger Gas { get; set; }
-
-    /// <summary>
-    /// Gets or sets the nonce for the transaction.
-    /// </summary>
-    [Parameter("uint256", "nonce", 5)]
-    [JsonProperty("nonce")]
-    public BigInteger Nonce { get; set; }
-
-    /// <summary>
-    /// Gets or sets the data to be sent with the transaction.
-    /// </summary>
-    [Parameter("bytes", "data", 6)]
-    [JsonProperty("data")]
-    public string Data { get; set; }
-}
-
-#endregion
-
 #region NFT
 
 /// <summary>

Thirdweb/Thirdweb.Utils/EIP712.cs

@@ -127,29 +127,6 @@ IThirdwebWallet signer
         return SerializeEip712(transaction, signatureRaw, chainId);
     }
 
-    /// <summary>
-    /// Generates a signature for a minimal forwarder request.
-    /// </summary>
-    /// <param name="domainName">The domain name.</param>
-    /// <param name="version">The version.</param>
-    /// <param name="chainId">The chain ID.</param>
-    /// <param name="verifyingContract">The verifying contract.</param>
-    /// <param name="forwardRequest">The forward request.</param>
-    /// <param name="signer">The wallet signer.</param>
-    /// <returns>The generated signature.</returns>
-    public static async Task<string> GenerateSignature_MinimalForwarder(
-        string domainName,
-        string version,
-        BigInteger chainId,
-        string verifyingContract,
-        Forwarder_ForwardRequest forwardRequest,
-        IThirdwebWallet signer
-    )
-    {
-        var typedData = GetTypedDefinition_MinimalForwarder(domainName, version, chainId, verifyingContract);
-        return await signer.SignTypedDataV4(forwardRequest, typedData);
-    }
-
     /// <summary>
     /// Generates a signature for an ERC20 token mint request.
     /// </summary>
@@ -420,30 +397,6 @@ public static TypedData<Domain> GetTypedDefinition_TokenERC1155(string domainNam
         };
     }
 
-    /// <summary>
-    /// Gets the typed data definition for a minimal forwarder request.
-    /// </summary>
-    /// <param name="domainName">The domain name.</param>
-    /// <param name="version">The version.</param>
-    /// <param name="chainId">The chain ID.</param>
-    /// <param name="verifyingContract">The verifying contract.</param>
-    /// <returns>The typed data definition.</returns>
-    public static TypedData<Domain> GetTypedDefinition_MinimalForwarder(string domainName, string version, BigInteger chainId, string verifyingContract)
-    {
-        return new TypedData<Domain>
-        {
-            Domain = new Domain
-            {
-                Name = domainName,
-                Version = version,
-                ChainId = chainId,
-                VerifyingContract = verifyingContract,
-            },
-            Types = MemberDescriptionFactory.GetTypesMemberDescription(typeof(Domain), typeof(Forwarder_ForwardRequest)),
-            PrimaryType = "ForwardRequest",
-        };
-    }
-
     #endregion
 
     #region Helpers