Esempio n. 1
0
        public void UnstakeWithStoredFilesFailure()
        {
            var owner = KeyPair.Generate();

            var simulator = new ChainSimulator(owner, 1234);
            var nexus     = simulator.Nexus;

            var testUser = KeyPair.Generate();

            var accountBalance = MinimumValidStake * 100;

            Transaction tx = null;

            simulator.BeginBlock();
            simulator.GenerateTransfer(owner, testUser.Address, nexus.RootChain, Nexus.FuelTokenSymbol, 100000000);
            simulator.GenerateTransfer(owner, testUser.Address, nexus.RootChain, Nexus.StakingTokenSymbol, accountBalance);
            simulator.EndBlock();

            //-----------
            //Perform a valid Stake call for minimum staking amount
            var stakedAmount        = MinimumValidStake;
            var startingSoulBalance = simulator.Nexus.RootChain.GetTokenBalance(Nexus.StakingTokenSymbol, testUser.Address);

            simulator.BeginBlock();
            tx = simulator.GenerateCustomTransaction(testUser, ProofOfWork.None, () =>
                                                     ScriptUtils.BeginScript().AllowGas(testUser.Address, Address.Null, 1, 9999)
                                                     .CallContract("energy", "Stake", testUser.Address, stakedAmount).
                                                     SpendGas(testUser.Address).EndScript());
            simulator.EndBlock();

            //-----------
            //Upload a file
            var filename = "notAVirus.exe";

            var headerSize  = CalculateRequiredSize(filename, 0);
            var contentSize = (long)(stakedAmount / MinimumValidStake * KilobytesPerStake * 1024) - (long)headerSize;
            var content     = new byte[contentSize];

            var contentMerkle = new MerkleTree(content);

            simulator.BeginBlock();
            tx = simulator.GenerateCustomTransaction(testUser, ProofOfWork.None, () =>
                                                     ScriptUtils.BeginScript().AllowGas(testUser.Address, Address.Null, 1, 9999)
                                                     .CallContract("storage", "UploadFile", testUser.Address, filename, contentSize, contentMerkle, ArchiveFlags.None, new byte[0]).
                                                     SpendGas(testUser.Address).EndScript());
            simulator.EndBlock();

            var usedSpace = simulator.Nexus.RootChain.InvokeContract("storage", "GetUsedSpace", testUser.Address).AsNumber();

            Assert.IsTrue(usedSpace == contentSize + headerSize);

            var oldSpace = usedSpace;

            //-----------
            //Time skip 1 day
            simulator.TimeSkipDays(1);

            //-----------
            //Try to unstake everything: should fail due to files still existing for this user
            var initialStakedAmount = simulator.Nexus.RootChain.InvokeContract("energy", "GetStake", testUser.Address).AsNumber();
            var stakeReduction      = initialStakedAmount - MinimumValidStake;

            startingSoulBalance = simulator.Nexus.RootChain.GetTokenBalance(Nexus.StakingTokenSymbol, testUser.Address);

            Assert.ThrowsException <ChainException>(() =>
            {
                simulator.BeginBlock();
                simulator.GenerateCustomTransaction(testUser, ProofOfWork.None, () =>
                                                    ScriptUtils.BeginScript().AllowGas(testUser.Address, Address.Null, 1, 9999)
                                                    .CallContract("energy", "Unstake", testUser.Address, stakeReduction).
                                                    SpendGas(testUser.Address).EndScript());
                simulator.EndBlock();
            });

            var finalStakedAmount = simulator.Nexus.RootChain.InvokeContract("energy", "GetStake", testUser.Address).AsNumber();

            Assert.IsTrue(initialStakedAmount == finalStakedAmount);

            usedSpace = simulator.Nexus.RootChain.InvokeContract("storage", "GetUsedSpace", testUser.Address).AsNumber();

            Assert.IsTrue(usedSpace == oldSpace);
        }
Esempio n. 2
0
        public void CumulativeUploadMoreThanAvailable()
        {
            var owner = KeyPair.Generate();

            var simulator = new ChainSimulator(owner, 1234);
            var nexus     = simulator.Nexus;

            var testUser = KeyPair.Generate();

            var accountBalance = MinimumValidStake * 100;

            Transaction tx = null;

            simulator.BeginBlock();
            simulator.GenerateTransfer(owner, testUser.Address, nexus.RootChain, Nexus.FuelTokenSymbol, 100000000);
            simulator.GenerateTransfer(owner, testUser.Address, nexus.RootChain, Nexus.StakingTokenSymbol, accountBalance);
            simulator.EndBlock();

            //-----------
            //Perform a valid Stake call for minimum staking amount
            var stakeAmount         = MinimumValidStake;
            var startingSoulBalance = simulator.Nexus.RootChain.GetTokenBalance(Nexus.StakingTokenSymbol, testUser.Address);

            simulator.BeginBlock();
            tx = simulator.GenerateCustomTransaction(testUser, ProofOfWork.None, () =>
                                                     ScriptUtils.BeginScript().AllowGas(testUser.Address, Address.Null, 1, 9999)
                                                     .CallContract("energy", "Stake", testUser.Address, stakeAmount).
                                                     SpendGas(testUser.Address).EndScript());
            simulator.EndBlock();

            BigInteger stakedAmount = simulator.Nexus.RootChain.InvokeContract("energy", "GetStake", testUser.Address).AsNumber();

            Assert.IsTrue(stakedAmount == stakeAmount);

            var finalSoulBalance = simulator.Nexus.RootChain.GetTokenBalance(Nexus.StakingTokenSymbol, testUser.Address);

            Assert.IsTrue(stakeAmount == startingSoulBalance - finalSoulBalance);

            //-----------
            //Upload a file: should succeed
            var filename    = "notAVirus.exe";
            var headerSize  = CalculateRequiredSize(filename, 0);
            var contentSize = (long)(stakedAmount / MinimumValidStake * KilobytesPerStake * 1024) - (long)headerSize;
            var content     = new byte[contentSize];

            var contentMerkle = new MerkleTree(content);

            simulator.BeginBlock();
            tx = simulator.GenerateCustomTransaction(testUser, ProofOfWork.None, () =>
                                                     ScriptUtils.BeginScript().AllowGas(testUser.Address, Address.Null, 1, 9999)
                                                     .CallContract("storage", "UploadFile", testUser.Address, filename, contentSize, contentMerkle, ArchiveFlags.None, new byte[0]).
                                                     SpendGas(testUser.Address).EndScript());
            simulator.EndBlock();

            var usedSpace = simulator.Nexus.RootChain.InvokeContract("storage", "GetUsedSpace", testUser.Address).AsNumber();

            Assert.IsTrue(usedSpace == contentSize + headerSize);

            var oldSpace = contentSize + headerSize;

            //----------
            //Upload a file: should fail due to exceeding available storage capacity

            filename    = "giftFromTroia.exe";
            headerSize  = CalculateRequiredSize(filename, 0);
            contentSize = (long)(stakedAmount / MinimumValidStake * KilobytesPerStake * 1024) - (long)headerSize;
            content     = new byte[contentSize];

            Assert.ThrowsException <ChainException>(() =>
            {
                contentMerkle = new MerkleTree(content);

                simulator.BeginBlock();
                tx = simulator.GenerateCustomTransaction(testUser, ProofOfWork.None, () =>
                                                         ScriptUtils.BeginScript().AllowGas(testUser.Address, Address.Null, 1, 9999)
                                                         .CallContract("storage", "UploadFile", testUser.Address, filename, contentSize, contentMerkle, ArchiveFlags.None, new byte[0]).
                                                         SpendGas(testUser.Address).EndScript());
                simulator.EndBlock();
            });

            Assert.IsTrue(usedSpace == oldSpace);
        }
Esempio n. 3
0
        public void SingleUploadSuccess()
        {
            var owner = KeyPair.Generate();

            var simulator = new ChainSimulator(owner, 1234);
            var nexus     = simulator.Nexus;

            var testUser = KeyPair.Generate();

            var accountBalance = MinimumValidStake * 5;

            Transaction tx = null;

            simulator.BeginBlock();
            simulator.GenerateTransfer(owner, testUser.Address, nexus.RootChain, Nexus.FuelTokenSymbol, 100000000);
            simulator.GenerateTransfer(owner, testUser.Address, nexus.RootChain, Nexus.StakingTokenSymbol, accountBalance);
            simulator.EndBlock();

            //-----------
            //Perform a valid Stake call for minimum staking amount
            var stakeAmount         = accountBalance / 2;
            var startingSoulBalance = simulator.Nexus.RootChain.GetTokenBalance(Nexus.StakingTokenSymbol, testUser.Address);

            simulator.BeginBlock();
            tx = simulator.GenerateCustomTransaction(testUser, ProofOfWork.None, () =>
                                                     ScriptUtils.BeginScript().AllowGas(testUser.Address, Address.Null, 1, 9999)
                                                     .CallContract("energy", "Stake", testUser.Address, stakeAmount).
                                                     SpendGas(testUser.Address).EndScript());
            simulator.EndBlock();

            BigInteger stakedAmount = simulator.Nexus.RootChain.InvokeContract("energy", "GetStake", testUser.Address).AsNumber();

            Assert.IsTrue(stakedAmount == stakeAmount);

            var finalSoulBalance = simulator.Nexus.RootChain.GetTokenBalance(Nexus.StakingTokenSymbol, testUser.Address);

            Assert.IsTrue(stakeAmount == startingSoulBalance - finalSoulBalance);

            //-----------
            //Upload a file: should succeed
            var filename    = "notAVirus.exe";
            var headerSize  = CalculateRequiredSize(filename, 0);
            var contentSize = (long)((stakedAmount / MinimumValidStake * KilobytesPerStake) * 1024) - (long)headerSize;
            var content     = new byte[contentSize];
            var rnd         = new Random();

            for (int i = 0; i < content.Length; i++)
            {
                content[i] = (byte)rnd.Next();
            }

            var contentMerkle = new MerkleTree(content);

            simulator.BeginBlock();
            tx = simulator.GenerateCustomTransaction(testUser, ProofOfWork.None, () =>
                                                     ScriptUtils.BeginScript().AllowGas(testUser.Address, Address.Null, 1, 9999)
                                                     .CallContract("storage", "UploadFile", testUser.Address, filename, contentSize, contentMerkle, ArchiveFlags.None, new byte[0]).
                                                     SpendGas(testUser.Address).EndScript());

            //System.IO.File.WriteAllText(@"c:\code\bug_vm.txt", string.Join('\n', new VM.Disassembler(tx.Script).Instructions));
            simulator.EndBlock();

            var usedSpace = simulator.Nexus.RootChain.InvokeContract("storage", "GetUsedSpace", testUser.Address).AsNumber();

            Assert.IsTrue(usedSpace == contentSize + headerSize);

            Assert.IsTrue(simulator.Nexus.ArchiveExists(contentMerkle.Root));
            var archive = simulator.Nexus.FindArchive(contentMerkle.Root);

            for (int i = 0; i < archive.BlockCount; i++)
            {
                int ofs          = (int)(i * Archive.BlockSize);
                var blockContent = content.Skip(ofs).Take((int)Archive.BlockSize).ToArray();
                simulator.Nexus.WriteArchiveBlock(archive, blockContent, i);
            }
        }
Esempio n. 4
0
        public void UploadDuplicateFileDifferentOwner()
        {
            var owner = KeyPair.Generate();

            var simulator = new ChainSimulator(owner, 1234);
            var nexus     = simulator.Nexus;

            var testUserA = KeyPair.Generate();
            var testUserB = KeyPair.Generate();

            var accountBalance = MinimumValidStake * 100;

            Transaction tx = null;

            simulator.BeginBlock();
            simulator.GenerateTransfer(owner, testUserA.Address, nexus.RootChain, Nexus.FuelTokenSymbol, 100000000);
            simulator.GenerateTransfer(owner, testUserA.Address, nexus.RootChain, Nexus.StakingTokenSymbol, accountBalance);
            simulator.GenerateTransfer(owner, testUserB.Address, nexus.RootChain, Nexus.FuelTokenSymbol, 100000000);
            simulator.GenerateTransfer(owner, testUserB.Address, nexus.RootChain, Nexus.StakingTokenSymbol, accountBalance);
            simulator.EndBlock();

            //-----------
            //Perform a valid Stake call for userA
            var stakeAmount         = MinimumValidStake * 2;
            var startingSoulBalance = simulator.Nexus.RootChain.GetTokenBalance(Nexus.StakingTokenSymbol, testUserA.Address);

            simulator.BeginBlock();
            tx = simulator.GenerateCustomTransaction(testUserA, ProofOfWork.None, () =>
                                                     ScriptUtils.BeginScript().AllowGas(testUserA.Address, Address.Null, 1, 9999)
                                                     .CallContract("energy", "Stake", testUserA.Address, stakeAmount).
                                                     SpendGas(testUserA.Address).EndScript());
            simulator.EndBlock();

            BigInteger stakedAmount = simulator.Nexus.RootChain.InvokeContract("energy", "GetStake", testUserA.Address).AsNumber();

            Assert.IsTrue(stakedAmount == stakeAmount);

            var finalSoulBalance = simulator.Nexus.RootChain.GetTokenBalance(Nexus.StakingTokenSymbol, testUserA.Address);

            Assert.IsTrue(stakeAmount == startingSoulBalance - finalSoulBalance);

            //----------
            //Perform a valid Stake call for userB
            startingSoulBalance = simulator.Nexus.RootChain.GetTokenBalance(Nexus.StakingTokenSymbol, testUserB.Address);

            simulator.BeginBlock();
            tx = simulator.GenerateCustomTransaction(testUserB, ProofOfWork.None, () =>
                                                     ScriptUtils.BeginScript().AllowGas(testUserB.Address, Address.Null, 1, 9999)
                                                     .CallContract("energy", "Stake", testUserB.Address, stakeAmount).
                                                     SpendGas(testUserB.Address).EndScript());
            simulator.EndBlock();

            stakedAmount = simulator.Nexus.RootChain.InvokeContract("energy", "GetStake", testUserB.Address).AsNumber();
            Assert.IsTrue(stakedAmount == stakeAmount);

            finalSoulBalance = simulator.Nexus.RootChain.GetTokenBalance(Nexus.StakingTokenSymbol, testUserB.Address);
            Assert.IsTrue(stakeAmount == startingSoulBalance - finalSoulBalance);

            //-----------
            //User A uploads a file: should succeed
            var filename    = "notAVirus.exe";
            var headerSize  = CalculateRequiredSize(filename, 0);
            var contentSize = (long)(stakeAmount / MinimumValidStake * KilobytesPerStake * 1024 / 2) - (long)headerSize;
            var content     = new byte[contentSize];

            var contentMerkle = new MerkleTree(content);

            simulator.BeginBlock();
            tx = simulator.GenerateCustomTransaction(testUserA, ProofOfWork.None, () =>
                                                     ScriptUtils.BeginScript().AllowGas(testUserA.Address, Address.Null, 1, 9999)
                                                     .CallContract("storage", "UploadFile", testUserA.Address, filename, contentSize, contentMerkle, ArchiveFlags.None, new byte[0]).
                                                     SpendGas(testUserA.Address).EndScript());
            simulator.EndBlock();

            var usedSpace = simulator.Nexus.RootChain.InvokeContract("storage", "GetUsedSpace", testUserA.Address).AsNumber();

            Assert.IsTrue(usedSpace == contentSize + headerSize);

            //----------
            //User B uploads the same file: should succeed
            contentMerkle = new MerkleTree(content);

            simulator.BeginBlock();
            tx = simulator.GenerateCustomTransaction(testUserB, ProofOfWork.None, () =>
                                                     ScriptUtils.BeginScript().AllowGas(testUserB.Address, Address.Null, 1, 9999)
                                                     .CallContract("storage", "UploadFile", testUserB.Address, filename, contentSize, contentMerkle, ArchiveFlags.None, new byte[0]).
                                                     SpendGas(testUserB.Address).EndScript());
            simulator.EndBlock();

            usedSpace = simulator.Nexus.RootChain.InvokeContract("storage", "GetUsedSpace", testUserB.Address).AsNumber();

            Assert.IsTrue(usedSpace == contentSize + headerSize);
        }
Esempio n. 5
0
        public void SidechainNftTransfer()
        {
            var owner = KeyPair.Generate();

            var simulator = new ChainSimulator(owner, 1234);
            var nexus     = simulator.Nexus;

            var sourceChain = nexus.RootChain;
            var targetChain = nexus.FindChainByName("privacy");

            var nftSymbol = "COOL";

            var sender   = KeyPair.Generate();
            var receiver = KeyPair.Generate();

            var fullAmount  = UnitConversion.ToBigInteger(10, Nexus.FuelTokenDecimals);
            var smallAmount = fullAmount / 2;

            Assert.IsTrue(smallAmount > 0);

            // Send some SOUL to the test user (required for gas used in "transfer" transaction)
            simulator.BeginBlock();
            simulator.GenerateTransfer(owner, sender.Address, sourceChain, Nexus.FuelTokenSymbol, fullAmount);
            simulator.EndBlock();

            // Create the token CoolToken as an NFT
            simulator.BeginBlock();
            simulator.GenerateToken(owner, nftSymbol, "CoolToken", 0, 0, TokenFlags.Transferable);
            simulator.EndBlock();

            var token     = simulator.Nexus.GetTokenInfo(nftSymbol);
            var tokenData = new byte[] { 0x1, 0x3, 0x3, 0x7 };

            Assert.IsTrue(nexus.TokenExists(nftSymbol), "Can't find the token symbol");

            // verify nft presence on the sender pre-mint
            var ownerships     = new OwnershipSheet(nftSymbol);
            var ownedTokenList = ownerships.Get(sourceChain.Storage, sender.Address);

            Assert.IsTrue(!ownedTokenList.Any(), "How does the sender already have a CoolToken?");

            // Mint a new CoolToken directly on the sender
            simulator.BeginBlock();
            simulator.MintNonFungibleToken(owner, sender.Address, nftSymbol, tokenData, new byte[0], 0);
            simulator.EndBlock();

            // verify nft presence on the sender post-mint
            ownedTokenList = ownerships.Get(sourceChain.Storage, sender.Address);
            Assert.IsTrue(ownedTokenList.Count() == 1, "How does the sender not have one now?");

            //verify that the present nft is the same we actually tried to create
            var tokenId = ownedTokenList.ElementAt(0);
            var nft     = nexus.GetNFT(nftSymbol, tokenId);

            Assert.IsTrue(nft.ROM.SequenceEqual(tokenData) || nft.RAM.SequenceEqual(tokenData),
                          "And why is this NFT different than expected? Not the same data");

            // verify nft presence on the receiver pre-transfer
            ownedTokenList = ownerships.Get(targetChain.Storage, receiver.Address);
            Assert.IsTrue(!ownedTokenList.Any(), "How does the receiver already have a CoolToken?");

            var extraFee = UnitConversion.ToBigInteger(0.001m, Nexus.FuelTokenDecimals);

            // transfer that nft from sender to receiver
            simulator.BeginBlock();
            simulator.GenerateSideChainSend(sender, Nexus.FuelTokenSymbol, sourceChain, receiver.Address, targetChain, smallAmount, extraFee);
            var txA = simulator.GenerateNftSidechainTransfer(sender, receiver.Address, sourceChain, targetChain, nftSymbol, tokenId);

            simulator.EndBlock();

            var blockA = nexus.RootChain.LastBlock;

            // finish the chain transfer
            simulator.BeginBlock();
            simulator.GenerateSideChainSettlement(receiver, nexus.RootChain, targetChain, blockA.Hash);
            Assert.IsTrue(simulator.EndBlock().Any());

            // verify the sender no longer has it
            ownedTokenList = ownerships.Get(sourceChain.Storage, sender.Address);
            Assert.IsTrue(!ownedTokenList.Any(), "How does the sender still have one?");

            // verify nft presence on the receiver post-transfer
            ownedTokenList = ownerships.Get(targetChain.Storage, receiver.Address);
            Assert.IsTrue(ownedTokenList.Count() == 1, "How does the receiver not have one now?");

            //verify that the transfered nft is the same we actually tried to create
            tokenId = ownedTokenList.ElementAt(0);
            nft     = nexus.GetNFT(nftSymbol, tokenId);
            Assert.IsTrue(nft.ROM.SequenceEqual(tokenData) || nft.RAM.SequenceEqual(tokenData),
                          "And why is this NFT different than expected? Not the same data");
        }
Esempio n. 6
0
        public void NoGasTestSideChainTransfer()
        {
            var owner = KeyPair.Generate();

            var simulator = new ChainSimulator(owner, 1234);
            var nexus     = simulator.Nexus;

            var sourceChain = nexus.RootChain;
            var targetChain = nexus.FindChainByName("privacy");

            var symbol = Nexus.FuelTokenSymbol;
            var token  = nexus.GetTokenInfo(symbol);

            var sender   = KeyPair.Generate();
            var receiver = KeyPair.Generate();

            var originalAmount = UnitConversion.ToBigInteger(10, token.Decimals);
            var sideAmount     = originalAmount / 2;

            Assert.IsTrue(sideAmount > 0);

            // Send from Genesis address to "sender" user
            simulator.BeginBlock();
            simulator.GenerateTransfer(owner, sender.Address, nexus.RootChain, symbol, originalAmount);
            simulator.EndBlock();

            // verify test user balance
            var balance = nexus.RootChain.GetTokenBalance(symbol, sender.Address);

            Assert.IsTrue(balance == originalAmount);

            Transaction txA = null, txB = null;

            try
            {
                // do a side chain send using test user balance from root to account chain
                simulator.BeginBlock();
                txA = simulator.GenerateSideChainSend(sender, symbol, sourceChain, receiver.Address, targetChain,
                                                      originalAmount, 1);
                simulator.EndBlock();
            }
            catch (Exception e)
            {
                Assert.IsNotNull(e);
            }

            try
            {
                var blockA = nexus.RootChain.LastBlock;

                // finish the chain transfer
                simulator.BeginBlock();
                txB = simulator.GenerateSideChainSettlement(sender, nexus.RootChain, targetChain, blockA.Hash);
                Assert.IsTrue(simulator.EndBlock().Any());
            }
            catch (Exception e)
            {
                Assert.IsNotNull(e);
            }


            // verify balances, receiver should have 0 balance
            balance = targetChain.GetTokenBalance(symbol, receiver.Address);
            Assert.IsTrue(balance == 0);
        }
Esempio n. 7
0
        public void SideChainTransferMultipleSteps()
        {
            var owner = KeyPair.Generate();

            var simulator = new ChainSimulator(owner, 1234);
            var nexus     = simulator.Nexus;

            var sourceChain = nexus.RootChain;
            var sideChain   = nexus.FindChainByName("bank");

            var symbol = Nexus.FuelTokenSymbol;
            var token  = nexus.GetTokenInfo(symbol);

            var sender   = KeyPair.Generate();
            var receiver = KeyPair.Generate();

            var originalAmount = UnitConversion.ToBigInteger(10, token.Decimals);
            var sideAmount     = originalAmount / 2;

            Assert.IsTrue(sideAmount > 0);

            var newChainName = "testing";

            // Send from Genesis address to "sender" user
            simulator.BeginBlock();
            simulator.GenerateTransfer(owner, sender.Address, nexus.RootChain, symbol, originalAmount);
            simulator.GenerateChain(owner, sideChain, newChainName);
            simulator.EndBlock();

            var targetChain = nexus.FindChainByName(newChainName);

            // verify test user balance
            var balance = nexus.RootChain.GetTokenBalance(symbol, sender.Address);

            Assert.IsTrue(balance == originalAmount);

            // do a side chain send using test user balance from root to apps chain
            simulator.BeginBlock();
            var txA    = simulator.GenerateSideChainSend(sender, symbol, sourceChain, sender.Address, sideChain, sideAmount, 0);
            var blockA = simulator.EndBlock().FirstOrDefault();
            var evtsA  = blockA.GetEventsForTransaction(txA.Hash);

            // finish the chain transfer
            simulator.BeginBlock();
            var txB = simulator.GenerateSideChainSettlement(sender, nexus.RootChain, sideChain, blockA.Hash);

            Assert.IsTrue(simulator.EndBlock().Any());

            // we cant transfer the full side amount due to fees
            // TODO  calculate the proper fee values instead of this
            var txCostA = simulator.Nexus.RootChain.GetTransactionFee(txA);
            var txCostB = sideChain.GetTransactionFee(txB);

            sideAmount = sideAmount - txCostB;

            balance = sideChain.GetTokenBalance(symbol, sender.Address);
            Assert.IsTrue(balance == sideAmount);

            var extraFree = UnitConversion.ToBigInteger(0.01m, token.Decimals);

            sideAmount -= extraFree * 10;

            // do another side chain send using test user balance from apps to target chain
            simulator.BeginBlock();
            var txC    = simulator.GenerateSideChainSend(sender, symbol, sideChain, receiver.Address, targetChain, sideAmount, extraFree);
            var blockC = simulator.EndBlock().FirstOrDefault();

            var evtsC = blockC.GetEventsForTransaction(txC.Hash);

            var appSupplies          = new SupplySheet(symbol, sideChain, nexus);
            var childBalance         = appSupplies.GetChildBalance(sideChain.Storage, targetChain.Name);
            var expectedChildBalance = sideAmount + extraFree;

            // finish the chain transfer
            simulator.BeginBlock();
            var txD = simulator.GenerateSideChainSettlement(receiver, sideChain, targetChain, blockC.Hash);

            Assert.IsTrue(simulator.EndBlock().Any());

            // TODO  verify balances
        }
Esempio n. 8
0
        public void NftTransfer()
        {
            var owner = KeyPair.Generate();

            var simulator = new ChainSimulator(owner, 1234);
            var nexus     = simulator.Nexus;

            var chain = nexus.RootChain;

            var nftKey    = KeyPair.Generate();
            var nftSymbol = "COOL";
            var nftName   = "CoolToken";

            var sender   = KeyPair.Generate();
            var receiver = KeyPair.Generate();

            // Send some SOUL to the test user (required for gas used in "transfer" transaction)
            simulator.BeginBlock();
            simulator.GenerateTransfer(owner, sender.Address, chain, Nexus.FuelTokenSymbol, UnitConversion.ToBigInteger(1, Nexus.FuelTokenDecimals));
            simulator.EndBlock();

            // Create the token CoolToken as an NFT
            simulator.BeginBlock();
            simulator.GenerateToken(owner, nftSymbol, nftName, 0, 0, TokenFlags.Transferable);
            simulator.EndBlock();

            var token     = simulator.Nexus.GetTokenInfo(nftSymbol);
            var tokenData = new byte[] { 0x1, 0x3, 0x3, 0x7 };

            Assert.IsTrue(nexus.TokenExists(nftSymbol), "Can't find the token symbol");

            // verify nft presence on the sender pre-mint
            var ownerships     = new OwnershipSheet(nftSymbol);
            var ownedTokenList = ownerships.Get(chain.Storage, sender.Address);

            Assert.IsTrue(!ownedTokenList.Any(), "How does the sender already have a CoolToken?");

            // Mint a new CoolToken directly on the sender
            simulator.BeginBlock();
            simulator.MintNonFungibleToken(owner, sender.Address, nftSymbol, tokenData, new byte[0], 0);
            simulator.EndBlock();

            // verify nft presence on the sender post-mint
            ownedTokenList = ownerships.Get(chain.Storage, sender.Address);
            Assert.IsTrue(ownedTokenList.Count() == 1, "How does the sender not have one now?");

            //verify that the present nft is the same we actually tried to create
            var tokenId = ownedTokenList.ElementAt(0);
            var nft     = nexus.GetNFT(nftSymbol, tokenId);

            Assert.IsTrue(nft.ROM.SequenceEqual(tokenData) || nft.RAM.SequenceEqual(tokenData),
                          "And why is this NFT different than expected? Not the same data");

            // verify nft presence on the receiver pre-transfer
            ownedTokenList = ownerships.Get(chain.Storage, receiver.Address);
            Assert.IsTrue(!ownedTokenList.Any(), "How does the receiver already have a CoolToken?");

            // transfer that nft from sender to receiver
            simulator.BeginBlock();
            var txA = simulator.GenerateNftTransfer(sender, receiver.Address, chain, nftSymbol, tokenId);

            simulator.EndBlock();

            // verify nft presence on the receiver post-transfer
            ownedTokenList = ownerships.Get(chain.Storage, receiver.Address);
            Assert.IsTrue(ownedTokenList.Count() == 1, "How does the receiver not have one now?");

            //verify that the transfered nft is the same we actually tried to create
            tokenId = ownedTokenList.ElementAt(0);
            nft     = nexus.GetNFT(nftSymbol, tokenId);
            Assert.IsTrue(nft.ROM.SequenceEqual(tokenData) || nft.RAM.SequenceEqual(tokenData),
                          "And why is this NFT different than expected? Not the same data");
        }
Esempio n. 9
0
        public void SideChainTransferSameAccount()
        {
            var owner = KeyPair.Generate();

            var simulator = new ChainSimulator(owner, 1234);
            var nexus     = simulator.Nexus;

            var sourceChain = nexus.RootChain;
            var targetChain = nexus.FindChainByName("privacy");

            var symbol = Nexus.FuelTokenSymbol;

            var sender = KeyPair.Generate();

            var token          = nexus.GetTokenInfo(symbol);
            var originalAmount = UnitConversion.ToBigInteger(10, token.Decimals);
            var sideAmount     = originalAmount / 2;

            Assert.IsTrue(sideAmount > 0);

            // Send from Genesis address to "sender" user
            simulator.BeginBlock();
            simulator.GenerateTransfer(owner, sender.Address, nexus.RootChain, symbol, originalAmount);
            simulator.EndBlock();

            // verify test user balance
            var balance = nexus.RootChain.GetTokenBalance(symbol, sender.Address);

            Assert.IsTrue(balance == originalAmount);

            // do a side chain send using test user balance from root to account chain
            simulator.BeginBlock();
            var txA    = simulator.GenerateSideChainSend(sender, symbol, sourceChain, sender.Address, targetChain, sideAmount, 0);
            var blockA = simulator.EndBlock().FirstOrDefault();

            Assert.IsTrue(blockA != null);

            // finish the chain transfer from parent to child
            simulator.BeginBlock();
            var txB = simulator.GenerateSideChainSettlement(sender, sourceChain, targetChain, blockA.Hash);

            Assert.IsTrue(simulator.EndBlock().Any());

            // verify balances
            var feeB = targetChain.GetTransactionFee(txB);

            balance = targetChain.GetTokenBalance(symbol, sender.Address);
            Assert.IsTrue(balance == sideAmount - feeB);

            var feeA           = sourceChain.GetTransactionFee(txA);
            var leftoverAmount = originalAmount - (sideAmount + feeA);

            balance = sourceChain.GetTokenBalance(symbol, sender.Address);
            Assert.IsTrue(balance == leftoverAmount);

            sideAmount /= 2;
            simulator.BeginBlock();
            var txC    = simulator.GenerateSideChainSend(sender, symbol, targetChain, sender.Address, sourceChain, sideAmount, 0);
            var blockC = simulator.EndBlock().FirstOrDefault();

            Assert.IsTrue(blockC != null);

            // finish the chain transfer from child to parent
            simulator.BeginBlock();
            var txD = simulator.GenerateSideChainSettlement(sender, targetChain, sourceChain, blockC.Hash);

            Assert.IsTrue(simulator.EndBlock().Any());
        }
Esempio n. 10
0
        public void TransferToAccountName()
        {
            var owner     = KeyPair.Generate();
            var simulator = new ChainSimulator(owner, 1234);

            var nexus  = simulator.Nexus;
            var symbol = Nexus.FuelTokenSymbol;

            Func <KeyPair, string, bool> registerName = (keypair, name) =>
            {
                bool result = true;

                try
                {
                    simulator.BeginBlock();
                    var tx        = simulator.GenerateAccountRegistration(keypair, name);
                    var lastBlock = simulator.EndBlock().FirstOrDefault();

                    if (lastBlock != null)
                    {
                        Assert.IsTrue(tx != null);

                        var evts = lastBlock.GetEventsForTransaction(tx.Hash);
                        Assert.IsTrue(evts.Any(x => x.Kind == Blockchain.Contracts.EventKind.AddressRegister));
                    }
                }
                catch (Exception)
                {
                    result = false;
                }

                return(result);
            };

            var targetName = "hello";
            var testUser   = KeyPair.Generate();
            var token      = nexus.GetTokenInfo(symbol);
            var amount     = UnitConversion.ToBigInteger(10, token.Decimals);

            simulator.BeginBlock();
            simulator.GenerateTransfer(owner, testUser.Address, nexus.RootChain, symbol, amount);
            simulator.EndBlock();

            Assert.IsTrue(registerName(testUser, targetName));

            // Send from Genesis address to test user
            var transferAmount = 1;

            var initialFuelBalance = simulator.Nexus.RootChain.GetTokenBalance(symbol, testUser.Address);

            simulator.BeginBlock();
            simulator.GenerateCustomTransaction(owner, () =>
                                                ScriptUtils.BeginScript().AllowGas(owner.Address, Address.Null, 1, 9999)
                                                .CallContract("token", "TransferTokens", owner.Address, targetName, token.Symbol, transferAmount)
                                                .SpendGas(owner.Address).EndScript());
            simulator.EndBlock();

            var finalFuelBalance = simulator.Nexus.RootChain.GetTokenBalance(symbol, testUser.Address);

            Assert.IsTrue(finalFuelBalance - initialFuelBalance == transferAmount);
        }
Esempio n. 11
0
        public void AccountRegister()
        {
            var owner     = KeyPair.Generate();
            var simulator = new ChainSimulator(owner, 1234);

            var nexus  = simulator.Nexus;
            var symbol = Nexus.FuelTokenSymbol;

            Func <KeyPair, string, bool> registerName = (keypair, name) =>
            {
                bool result = true;

                try
                {
                    simulator.BeginBlock();
                    var tx        = simulator.GenerateAccountRegistration(keypair, name);
                    var lastBlock = simulator.EndBlock().FirstOrDefault();

                    if (lastBlock != null)
                    {
                        Assert.IsTrue(tx != null);

                        var evts = lastBlock.GetEventsForTransaction(tx.Hash);
                        Assert.IsTrue(evts.Any(x => x.Kind == Blockchain.Contracts.EventKind.AddressRegister));
                    }
                }
                catch (Exception)
                {
                    result = false;
                }

                return(result);
            };

            var testUser = KeyPair.Generate();

            var token  = nexus.GetTokenInfo(symbol);
            var amount = UnitConversion.ToBigInteger(10, token.Decimals);

            // Send from Genesis address to test user
            simulator.BeginBlock();
            simulator.GenerateTransfer(owner, testUser.Address, nexus.RootChain, symbol, amount);
            simulator.EndBlock();

            // verify test user balance
            var balance = nexus.RootChain.GetTokenBalance(symbol, testUser.Address);

            Assert.IsTrue(balance == amount);

            var targetName = "hello";

            Assert.IsTrue(targetName == targetName.ToLower());

            Assert.IsFalse(registerName(testUser, targetName.Substring(3)));
            Assert.IsFalse(registerName(testUser, targetName.ToUpper()));
            Assert.IsFalse(registerName(testUser, targetName + "!"));
            Assert.IsTrue(registerName(testUser, targetName));

            var currentName = nexus.LookUpAddressName(testUser.Address);

            Assert.IsTrue(currentName == targetName);

            var someAddress = nexus.LookUpName(targetName);

            Assert.IsTrue(someAddress == testUser.Address);

            Assert.IsFalse(registerName(testUser, "other"));
        }
Esempio n. 12
0
        public void TestNachoPurchase()
        {
            var owner     = KeyPair.Generate();
            var simulator = new ChainSimulator(owner, 1234);

            var tokenSupply = ToBigInteger(69931640.63m, NACHO_TOKEN_DECIMALS);

            simulator.BeginBlock();
            simulator.GenerateToken(owner, NACHO_SYMBOL, NACHO_SYMBOL, Nexus.PlatformName, Hash.FromString(NACHO_SYMBOL), tokenSupply, NACHO_TOKEN_DECIMALS, Fungible | Transferable | Finite | Divisible);
            simulator.MintTokens(owner, owner.Address, NACHO_SYMBOL, tokenSupply);
            simulator.EndBlock();

            var buyer    = KeyPair.Generate();
            var receiver = KeyPair.Generate();
            var nexus    = simulator.Nexus;

            simulator.BeginBlock();
            simulator.GenerateTransfer(owner, buyer.Address, nexus.RootChain, FuelTokenSymbol, 100000000);
            simulator.MintTokens(owner, owner.Address, FiatTokenSymbol,
                                 new BigInteger("1000000000000000000000000000000000000000000000000", 10) * GetUnitValue(FiatTokenDecimals));
            //simulator.GenerateTransfer(owner, buyer.Address, nexus.RootChain, Nexus.FiatTokenSymbol, 1000000 * UnitConversion.GetUnitValue(Nexus.FiatTokenDecimals));
            simulator.EndBlock();

            var ownerFiat = simulator.Nexus.RootChain.GetTokenBalance(Nexus.FiatTokenSymbol, owner.Address);

            decimal requiredMoney = 0;

            for (int stage = 0; stage < stageCount; stage++)
            {
                for (int milestone = 1; milestone <= milestoneCount; milestone++)
                {
                    decimal milestoneTokens = stageTokenAmount[stage] * milestone / 10m;
                    milestoneTokens = Math.Round(milestoneTokens, 2, AwayFromZero);

                    decimal milestoneTokensPerUsd = stageTokensPerUsd[stage] * tokenDecreaseFactor[stage];
                    milestoneTokensPerUsd = Math.Round(milestoneTokensPerUsd, 3, AwayFromZero);

                    requiredMoney += milestoneTokens / milestoneTokensPerUsd;

                    Assert.IsTrue(requiredMoney >= 500, "unexpected order size: not enough for 40% bonus");

                    requiredMoney = requiredMoney / 1.4m;

                    var bigintMoney = ToBigInteger(requiredMoney, FiatTokenDecimals);

                    simulator.BeginBlock();
                    simulator.GenerateTransfer(owner, buyer.Address, nexus.RootChain, FiatTokenSymbol, bigintMoney);
                    simulator.EndBlock();

                    var initialNachos = simulator.Nexus.RootChain.GetTokenBalance(NACHO_SYMBOL, receiver.Address);
                    var initialFiat   = simulator.Nexus.RootChain.GetTokenBalance(Nexus.FiatTokenSymbol, receiver.Address);

                    simulator.BeginBlock();
                    simulator.GenerateCustomTransaction(buyer, ProofOfWork.None, () =>
                                                        ScriptUtils.BeginScript().AllowGas(buyer.Address, Address.Null, 1, 9999)
                                                        .CallContract("nacho", "BuyInApp", buyer.Address, FiatTokenSymbol, bigintMoney).
                                                        SpendGas(buyer.Address).EndScript());
                    simulator.EndBlock();

                    var finalNachos = simulator.Nexus.RootChain.GetTokenBalance(NACHO_SYMBOL, receiver.Address);
                    var finalFiat   = simulator.Nexus.RootChain.GetTokenBalance(Nexus.FiatTokenSymbol, receiver.Address);

                    var milestoneTokensBigInt = ToBigInteger(milestoneTokens, NACHO_TOKEN_DECIMALS);

                    Assert.IsTrue(finalNachos == initialNachos + milestoneTokensBigInt);
                    Assert.IsTrue(finalFiat == initialFiat - bigintMoney);
                }
            }
        }
Esempio n. 13
0
        public void SideChainTransferMultipleSteps()
        {
            var owner = KeyPair.Generate();

            var simulator = new ChainSimulator(owner, 1234, -1);
            var nexus     = simulator.Nexus;

            var sourceChain = nexus.RootChain;
            var appsChain   = nexus.FindChainByName("apps");

            var token = nexus.FuelToken;

            var sender   = KeyPair.Generate();
            var receiver = KeyPair.Generate();

            var originalAmount = UnitConversion.ToBigInteger(10, token.Decimals);
            var sideAmount     = originalAmount / 2;

            Assert.IsTrue(sideAmount > 0);

            var newChainName = "testing";

            // Send from Genesis address to "sender" user
            simulator.BeginBlock();
            simulator.GenerateTransfer(owner, sender.Address, nexus.RootChain, token, originalAmount);
            simulator.GenerateChain(owner, appsChain, newChainName);
            simulator.EndBlock();

            var targetChain = nexus.FindChainByName(newChainName);

            // verify test user balance
            var balance = nexus.RootChain.GetTokenBalance(token, sender.Address);

            Assert.IsTrue(balance == originalAmount);

            // do a side chain send using test user balance from root to apps chain
            simulator.BeginBlock();
            var txA    = simulator.GenerateSideChainSend(sender, token, sourceChain, sender.Address, appsChain, sideAmount, 0);
            var blockA = simulator.EndBlock().FirstOrDefault();

            // finish the chain transfer
            simulator.BeginBlock();
            var txB = simulator.GenerateSideChainSettlement(sender, nexus.RootChain, appsChain, blockA.Hash);

            Assert.IsTrue(simulator.EndBlock().Any());

            // we cant transfer the full side amount due to fees
            // TODO  calculate the proper fee values instead of this
            sideAmount /= 2;
            var extraFree = UnitConversion.ToBigInteger(0.01m, token.Decimals);

            // do another side chain send using test user balance from apps to target chain
            simulator.BeginBlock();
            var txC    = simulator.GenerateSideChainSend(sender, token, appsChain, receiver.Address, targetChain, sideAmount, extraFree);
            var blockC = simulator.EndBlock().FirstOrDefault();

            // finish the chain transfer
            simulator.BeginBlock();
            var txD = simulator.GenerateSideChainSettlement(sender, appsChain, targetChain, blockC.Hash);

            Assert.IsTrue(simulator.EndBlock().Any());

            // TODO  verify balances
        }