Checkout/transak primary sale

Plugins/SequencePlugin/Source/SequencePlugin/Private/Checkout/Transak/CallDataCompressor.cpp

@@ -0,0 +1,35 @@
+#include "Checkout/Transak/CallDataCompressor.h"
+#include "Misc/Base64.h"
+#include "Misc/Compression.h"
+#include "GenericPlatform/GenericPlatformHttp.h" 
+
+FString FCallDataCompressor::Compress(const FString& In)
+{
+	FTCHARToUTF8 Converter(*In);
+	const uint8* UncompressedData = reinterpret_cast<const uint8*>(Converter.Get());
+	int32 UncompressedSize = Converter.Length();
+
+	int32 CompressedBufferSize = FCompression::CompressMemoryBound(NAME_Zlib, UncompressedSize);
+	TArray<uint8> CompressedData;
+	CompressedData.SetNumUninitialized(CompressedBufferSize);
+
+	int32 CompressedSize = CompressedBufferSize;
+	bool bSuccess = FCompression::CompressMemory(
+		NAME_Zlib,
+		CompressedData.GetData(),
+		CompressedSize,
+		UncompressedData,
+		UncompressedSize,
+		COMPRESS_Default
+	);
+
+	if (!bSuccess)
+	{
+		UE_LOG(LogTemp, Error, TEXT("CallData compression failed"));
+		return TEXT("CompressionError");
+	}
+
+	CompressedData.SetNum(CompressedSize);
+	FString Base64 = FBase64::Encode(CompressedData);
+	return FGenericPlatformHttp::UrlEncode(Base64);
+}

Plugins/SequencePlugin/Source/SequencePlugin/Private/Checkout/Transak/TransakCheckout.cpp

@@ -0,0 +1,225 @@
+#include "Checkout/Transak/TransakCheckout.h"
+#include "Misc/DateTime.h"
+#include "Misc/Guid.h"
+#include "Misc/Base64.h"
+#include "Containers/StringConv.h"
+#include "Misc/DefaultValueHelper.h"
+#include "Engine/Engine.h"
+#include "Checkout/Transak/CallDataCompressor.h"
+#include "Checkout/Transak/TransakNFTDataEncoder.h"
+#include "Checkout/Structs/TransactionStep.h"
+#include "Util/SequenceSupport.h"
+void UTransakCheckout::Initialize(const FString& InWalletAddress, ENetwork InNetwork)
+{
+	WalletAddress = InWalletAddress;
+	Network = InNetwork;
+}
+FString UTransakCheckout::GetNFTCheckoutLink(const FTransakNFTData& Item, const FString& CallData, const FTransakContractId& ContractId)
+{
+	const FString NetworkString = UEnum::GetValueAsString(Network);
+
+	if (ContractId.Chain != NetworkString)
+	{
+		UE_LOG(LogTemp, Error, TEXT("Chain mismatch: ContractId.Chain = %s, Network = %s"), *ContractId.Chain, *NetworkString);
+		return TEXT("Error: Chain mismatch. Transak Checkout object network must match the TransakContractId chain.");
+	}
+
+	const FString TransakCallData = FCallDataCompressor::Compress(CallData);
+
+	const FString TransakNftDataEncoded = FTransakNFTDataEncoder::Encode(Item);
+
+	const FString BaseURL = TEXT("https://global.transak.com/");
+
+	const FString TContractId = ContractId.Id;
+	const FString TransakCryptocurrencyCode = ContractId.PriceTokenSymbol;
+	const int64 EstimatedGasLimit = 500000;
+
+	if (WalletAddress.IsEmpty())
+	{
+		return TEXT("Error: Transak Checkout object wallet address is missing");
+	}
+
+
+	const int64 Timestamp = FDateTime::UtcNow().ToUnixTimestamp();
+
+	const FString PartnerOrderId = FString::Printf(TEXT("%s-%lld"), *WalletAddress, Timestamp);
+
+	FString address = *WalletAddress;
+
+	FString URL =
+		BaseURL + TEXT("?apiKey=5911d9ec-46b5-48fa-a755-d59a715ff0cf")
+		+ TEXT("&isNFT=true")
+		+ TEXT("&calldata=") + TransakCallData
+		+ TEXT("&contractId=") + TContractId
+		+ TEXT("&cryptoCurrencyCode=") + TransakCryptocurrencyCode
+		+ TEXT("&estimatedGasLimit=") + FString::Printf(TEXT("%lld"), EstimatedGasLimit)
+		+ TEXT("&nftData=") + TransakNftDataEncoded
+		+ TEXT("&walletAddress=") + address
+		+ TEXT("&disableWalletAddressForm=true")
+		+ TEXT("&partnerOrderId=") + PartnerOrderId;
+
+	UE_LOG(LogTemp, Warning, TEXT("Final URL: %s"), *URL);
+	return URL;
+}
+
+
+FString UTransakCheckout::BuildNFTCheckoutLinkFromERC1155(UERC1155SaleContract* SaleContract, const FTransakNFTData TransakNFTData, const FTransakContractId& ContractId, const TArray<uint8>& Data, const TArray<FString>& Proof)
+{
+
+	if (!SaleContract)
+	{
+		return TEXT("Error: Invalid SaleContract");
+	}
+
+	if (TransakNFTData.Quantity <= 0)
+	{
+		return TEXT("Error: Invalid quantity");
+	}
+
+	TArray<int32> TokenIds;
+	TArray<int32> Amounts;
+
+	for (const FString& TokenIDString : TransakNFTData.TokenID)
+	{
+		int32 ParsedTokenId = FCString::Atoi(*TokenIDString);
+		TokenIds.Add(ParsedTokenId);
+		Amounts.Add(TransakNFTData.Quantity);
+	}
+
+
+	FRawTransaction result = SaleContract->MakePurchaseTransaction(
+		TransakContractAddresses[Network],
+		TokenIds,
+		Amounts,
+		Proof
+	);
+
+	FString callData = result.data;
+
+
+	return GetNFTCheckoutLink(TransakNFTData, callData, ContractId);
+}
+void UTransakCheckout::BuildNFTCheckoutLinkFromCollectibleOrder(FSeqCollectibleOrder order, int64 quantity, ENFTType type, FAdditionalFee AdditionalFee, FOnTransakCheckoutGenerated OnSuccessCallback)
+{
+	if (quantity <= 0)
+	{
+		UE_LOG(LogTemp, Error, TEXT("Invalid quantity"));
+		return;
+	}
+
+	TArray<FString> TokenIds = { FString::FromInt(order.TokenMetadata.tokenId) };
+	TArray<float> Prices = { static_cast<float>(order.Order.PriceUSD) };
+
+	FTransakNFTData NFTData(
+		order.TokenMetadata.image,
+		order.TokenMetadata.name,
+		order.TokenMetadata.contractAddress,
+		TokenIds,
+		Prices,
+		quantity,
+		ENFTType::ERC721
+	);
+
+
+	FTransakContractId TransakContractID = GetTransakContractIdFromCollectibleOrder(order);
+
+	if (TransakContractID.Id.IsEmpty())
+	{
+		UE_LOG(LogTemp, Error, TEXT("TransakContractID is empty. Aborting."));
+		return;
+	}
+
+	USequenceCheckout* Checkout = NewObject< USequenceCheckout>();
+
+	Checkout->GenerateBuyTransaction(
+		order.Order.ChainId,
+		WalletAddress,
+		order.Order,
+		quantity,
+		AdditionalFee,
+		EWalletKind::Sequence,
+
+		[this, NFTData, TransakContractID, OnSuccessCallback](const FGenerateTransactionResponse& Response)
+		{	
+			const FString URL = GetNFTCheckoutLink(NFTData, *Response.Steps[0].ExtractBuyStep(Response.Steps).Data, TransakContractID);
+			OnSuccessCallback.ExecuteIfBound(URL);
+		},
+
+		[OnSuccessCallback](const FSequenceError& Error)
+		{
+			OnSuccessCallback.ExecuteIfBound(TEXT("Error: Failed to generate buy transaction"));
+		}
+	);
+}
+
+FTransakContractId UTransakCheckout::GetTransakContractIdFromCollectibleOrder(FSeqCollectibleOrder order)
+{
+	FTransakContractId TransakContractID;
+
+	if (order.Order.ChainId == 137)
+	{
+		switch (order.Order.Marketplace)
+		{
+		case EMarketplaceKind::SEQUENCE_MARKETPLACE_V2:
+
+			TransakContractID.Id = TEXT("67ac543448035690a20ac131");
+			TransakContractID.ContractAddress = TEXT("0xfdb42A198a932C8D3B506Ffa5e855bC4b348a712");
+			TransakContractID.Chain = TransakContractID.Chain = UEnum::GetValueAsString(ENetwork::PolygonChain);
+			TransakContractID.PriceTokenSymbol = TEXT("POL");
+
+			break;
+
+		default:
+
+			TransakContractID.Id = TEXT("6675a6d0f597abb8f3e2e9c2");
+			TransakContractID.ContractAddress = TEXT("0xc2c862322e9c97d6244a3506655da95f05246fd8");
+			TransakContractID.Chain = TransakContractID.Chain = UEnum::GetValueAsString(ENetwork::PolygonChain);
+			TransakContractID.PriceTokenSymbol = TEXT("MATIC");
+
+			break;
+		}
+	}
+	else if (order.Order.ChainId == 42161)
+	{
+
+		if (order.Order.Marketplace == EMarketplaceKind::SEQUENCE_MARKETPLACE_V2)
+		{
+			TransakContractID.Id = TEXT("66c5a2cf2fb1688e11fcb167");
+			TransakContractID.ContractAddress = TEXT("0xB537a160472183f2150d42EB1c3DD6684A55f74c");
+			TransakContractID.Chain = UEnum::GetValueAsString(ENetwork::ArbitrumOne);
+			TransakContractID.PriceTokenSymbol = TEXT("USDC");
+		}
+		else if (order.Order.Marketplace == EMarketplaceKind::SEQUENCE_MARKETPLACE_V1)
+		{
+			TransakContractID.Id = TEXT("66c5a2d8c00223b9cc6edfdc");
+			TransakContractID.ContractAddress = TEXT("0xfdb42A198a932C8D3B506Ffa5e855bC4b348a712");
+			TransakContractID.Chain = UEnum::GetValueAsString(ENetwork::ArbitrumOne);
+			TransakContractID.PriceTokenSymbol = TEXT("USDC");
+		}
+	}
+
+		*TransakContractID.Id,
+		*TransakContractID.ContractAddress,
+		*TransakContractID.Chain,
+		*TransakContractID.PriceTokenSymbol);
+
+	return TransakContractID;
+}
+
+
+const TMap<ENetwork, FString> UTransakCheckout::TransakContractAddresses = {
+	{ENetwork::Ethereum, TEXT("0xab88cd272863b197b48762ea283f24a13f6586dd")},
+	{ENetwork::Sepolia, TEXT("0xD84aC4716A082B1F7eCDe9301aA91A7c4B62ECd7")},
+	{ENetwork::PolygonChain, TEXT("0x4A598B7eC77b1562AD0dF7dc64a162695cE4c78A")},
+	{ENetwork::PolygonAmoy, TEXT("0xCB9bD5aCD627e8FcCf9EB8d4ba72AEb1Cd8Ff5EF")},
+	{ENetwork::BNBSmartChain, TEXT("0x4A598B7eC77b1562AD0dF7dc64a162695cE4c78A")},
+	{ENetwork::BNBSmartChainTestnet, TEXT("0x0E9539455944BE8a307bc43B0a046613a1aD6732")},
+	{ENetwork::ArbitrumOne, TEXT("0x4A598B7eC77b1562AD0dF7dc64a162695cE4c78A")},
+	{ENetwork::ArbitrumSepolia, TEXT("0x489F56e3144FF03A887305839bBCD20FF767d3d1")},
+	{ENetwork::Optimism, TEXT("0x4A598B7eC77b1562AD0dF7dc64a162695cE4c78A")},
+	{ENetwork::OptimismSepolia, TEXT("0xCB9bD5aCD627e8FcCf9EB8d4ba72AEb1Cd8Ff5EF")},
+	{ENetwork::Immutable, TEXT("0x8b83dE7B20059864C479640CC33426935DC5F85b")},
+	{ENetwork::ImmutableTestnet, TEXT("0x489F56e3144FF03A887305839bBCD20FF767d3d1")},
+	{ENetwork::Base, TEXT("0x8b83dE7B20059864C479640CC33426935DC5F85b")},
+	{ENetwork::BaseSepolia, TEXT("0xCB9bD5aCD627e8FcCf9EB8d4ba72AEb1Cd8Ff5EF")}
+};

Plugins/SequencePlugin/Source/SequencePlugin/Private/Checkout/Transak/TransakNFTDataEncoder.cpp

@@ -0,0 +1,58 @@
+#include "Checkout/Transak/TransakNFTDataEncoder.h"
+#include "Serialization/JsonWriter.h"
+#include "Policies/CondensedJsonPrintPolicy.h"
+#include "Serialization/JsonSerializer.h"
+#include "Dom/JsonObject.h"
+#include "Dom/JsonValue.h"
+#include "Misc/Base64.h"
+#include "GenericPlatform/GenericPlatformHttp.h"
+
+FString FTransakNFTDataEncoder::Encode(const FTransakNFTData& NftData)
+{
+
+    TSharedRef<FJsonObject> JsonObject = MakeShared<FJsonObject>();
+    JsonObject->SetStringField(TEXT("imageURL"), NftData.ImageURL);
+    JsonObject->SetStringField(TEXT("nftName"), NftData.Name);
+    JsonObject->SetStringField(TEXT("collectionAddress"), NftData.CollectionAddress);
+
+    TArray<TSharedPtr<FJsonValue>> TokenIDArray;
+    for (const FString& TokenID : NftData.TokenID)
+    {
+        TokenIDArray.Add(MakeShared<FJsonValueString>(TokenID));
+    }
+    JsonObject->SetArrayField(TEXT("tokenID"), TokenIDArray);
+
+    TArray<TSharedPtr<FJsonValue>> PriceArray;
+    for (double Price : NftData.Price)
+    {
+        double RoundedPrice = FMath::RoundToDouble(Price * 100000.0) / 100000.0;
+        PriceArray.Add(MakeShared<FJsonValueNumber>(RoundedPrice));
+    }
+    JsonObject->SetArrayField(TEXT("price"), PriceArray);
+
+    JsonObject->SetNumberField(TEXT("quantity"), static_cast<double>(NftData.Quantity));
+
+    FString EnumStr = UEnum::GetValueAsString(NftData.Type).Replace(TEXT("ENFTType::"), TEXT(""));
+    JsonObject->SetStringField(TEXT("nftType"), EnumStr);
+
+    TArray<TSharedPtr<FJsonValue>> JsonArray;
+    JsonArray.Add(MakeShared<FJsonValueObject>(JsonObject));
+
+    FString JsonString;
+    TSharedRef<TJsonWriter<TCHAR, TCondensedJsonPrintPolicy<TCHAR>>> Writer =TJsonWriterFactory<TCHAR, TCondensedJsonPrintPolicy<TCHAR>>::Create(&JsonString);
+
+    if (!FJsonSerializer::Serialize(JsonArray, Writer))
+    {
+        return TEXT("");
+    }
+
+    FString Base64Encoded = FBase64::Encode(JsonString);
+
+    UE_LOG(LogTemp, Log, TEXT("Base64 Encoded (with padding): %s"), *Base64Encoded);
+
+    FString UrlEncoded = FGenericPlatformHttp::UrlEncode(Base64Encoded);
+
+    UE_LOG(LogTemp, Log, TEXT("URL Encoded: %s"), *UrlEncoded);
+
+    return UrlEncoded;
+}

Plugins/SequencePlugin/Source/SequencePlugin/Public/Checkout/Transak/CallDataCompressor.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include "CoreMinimal.h"
+
+/**
+ * Utility class for compressing call data using Deflate + Base64 + URI encoding.
+ */
+class SEQUENCEPLUGIN_API FCallDataCompressor
+{
+public:
+    static FString Compress(const FString& In);
+};

Plugins/SequencePlugin/Source/SequencePlugin/Public/Checkout/Transak/Structs/TransakContractId.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "TransakContractId.generated.h"
+
+USTRUCT(BlueprintType)
+struct SEQUENCEPLUGIN_API FTransakContractId
+{
+	GENERATED_BODY()
+
+	UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Transak")
+	FString Id;
+
+	UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Transak")
+	FString ContractAddress;
+
+	UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Transak")
+	FString Chain;
+
+	UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = "Transak")
+	FString PriceTokenSymbol;
+};