Ejemplo n.º 1
0
        public async Task MerklePathTest()
        {
            Init();
            var chainId = Mock.ChainId1;

            _contract = new SideChainContractShim(Mock, AddressHelpers.GetSystemContractAddress(chainId, SmartContractType.SideChainContract.ToString()));
            ulong pHeight = 1;
            ParentChainBlockRootInfo parentChainBlockRootInfo = new ParentChainBlockRootInfo
            {
                ChainId = chainId,
                Height  = pHeight,
                SideChainTransactionsRoot = Hash.Generate(),
                SideChainBlockHeadersRoot = Hash.Generate()
            };
            ParentChainBlockInfo parentChainBlockInfo = new ParentChainBlockInfo
            {
                Root = parentChainBlockRootInfo
            };

            parentChainBlockInfo.IndexedBlockInfo.Add(0, new MerklePath
            {
                Path = { Hash.FromString("Block1"), Hash.FromString("Block2"), Hash.FromString("Block3") }
            });
            await _contract.WriteParentChainBLockInfo(parentChainBlockInfo);

            ChainConfig.Instance.ChainId = chainId.DumpHex();
            var crossChainInfo = new CrossChainInfo(Mock.StateStore);
            var merklepath     = crossChainInfo.GetTxRootMerklePathInParentChain(0);

            Assert.NotNull(merklepath);
            Assert.Equal(parentChainBlockInfo.IndexedBlockInfo[0], merklepath);

            var parentHeight = crossChainInfo.GetParentChainCurrentHeight();

            Assert.Equal(pHeight, parentHeight);
            var boundHeight = crossChainInfo.GetBoundParentChainHeight(0);

            Assert.Equal(parentChainBlockRootInfo.Height, boundHeight);

            var boundBlockInfo = crossChainInfo.GetBoundParentChainBlockInfo(parentChainBlockRootInfo.Height);

            Assert.Equal(parentChainBlockInfo, boundBlockInfo);
        }
Ejemplo n.º 2
0
        public async Task VerifyTransactionTest()
        {
            Init();
            var chainId = Mock.ChainId1;

            ChainConfig.Instance.ChainId = chainId.DumpHex();
            _contract = new SideChainContractShim(Mock, AddressHelpers.GetSystemContractAddress(chainId, SmartContractType.SideChainContract.ToString()));
            ulong pHeight = 1;
            ParentChainBlockRootInfo pcbr1 = new ParentChainBlockRootInfo
            {
                ChainId = chainId,
                Height  = pHeight,
                SideChainTransactionsRoot = Hash.Generate(),
                SideChainBlockHeadersRoot = Hash.Generate()
            };
            ParentChainBlockInfo pcb1 = new ParentChainBlockInfo
            {
                Root = pcbr1
            };

            pcb1.IndexedBlockInfo.Add(0, new MerklePath
            {
                Path = { Hash.FromString("Block1"), Hash.FromString("Block2"), Hash.FromString("Block3") }
            });
            await _contract.WriteParentChainBLockInfo(pcb1);

            var crossChainInfo = new CrossChainInfo(Mock.StateStore);
            var parentHeight   = crossChainInfo.GetParentChainCurrentHeight();

            Assert.Equal(pHeight, parentHeight);

            Transaction t1 = new Transaction
            {
                From       = Address.FromString("1"),
                To         = Address.FromString("2"),
                MethodName = "test",
                Sig        = new Signature
                {
                    P = ByteString.Empty,
                    R = ByteString.Empty,
                },
                Params         = ByteString.Empty,
                RefBlockNumber = 0,
                RefBlockPrefix = ByteString.Empty
            };
            var hashCount = 10;

            var list1 = new List <Hash> {
                t1.GetHash()
            };

            for (int i = 0; i < hashCount; i++)
            {
                list1.Add(Hash.Generate());
            }

            var bmt1 = new BinaryMerkleTree();

            bmt1.AddNodes(list1);
            var root1        = bmt1.ComputeRootHash();
            var sc1BlockInfo = new SideChainBlockInfo
            {
                Height            = pHeight,
                BlockHeaderHash   = Hash.Generate(),
                ChainId           = Hash.Generate(),
                TransactionMKRoot = root1
            };

            Transaction t2 = new Transaction
            {
                From       = Address.FromString("3"),
                To         = Address.FromString("4"),
                MethodName = "test",
                Sig        = new Signature
                {
                    P = ByteString.Empty,
                    R = ByteString.Empty,
                },
                Params         = ByteString.Empty,
                RefBlockNumber = 1,
                RefBlockPrefix = ByteString.Empty
            };
            var list2 = new List <Hash> {
                t2.GetHash(), Hash.FromString("d"), Hash.FromString("e"), Hash.FromString("f"), Hash.FromString("a"), Hash.FromString("b"), Hash.FromString("c")
            };
            var bmt2 = new BinaryMerkleTree();

            bmt2.AddNodes(list2);
            var root2        = bmt2.ComputeRootHash();
            var sc2BlockInfo = new SideChainBlockInfo
            {
                Height            = pHeight,
                BlockHeaderHash   = Hash.Generate(),
                ChainId           = Hash.Generate(),
                TransactionMKRoot = root2
            };

            var block = new Block
            {
                Header = new BlockHeader(),
                Body   = new BlockBody()
            };

            block.Body.IndexedInfo.Add(new List <SideChainBlockInfo> {
                sc1BlockInfo, sc2BlockInfo
            });
            block.Body.CalculateMerkleTreeRoots();

            pHeight = 2;
            ParentChainBlockRootInfo parentChainBlockRootInfo = new ParentChainBlockRootInfo
            {
                ChainId = chainId,
                Height  = pHeight,
                SideChainTransactionsRoot = block.Body.SideChainTransactionsRoot,
                SideChainBlockHeadersRoot = Hash.FromString("SideChainBlockHeadersRoot")
            };

            ParentChainBlockInfo parentChainBlockInfo = new ParentChainBlockInfo
            {
                Root = parentChainBlockRootInfo
            };
            var tree       = block.Body.BinaryMerkleTreeForSideChainTransactionRoots;
            var pathForTx1 = bmt1.GenerateMerklePath(0);

            Assert.Equal(root1, pathForTx1.ComputeRootWith(t1.GetHash()));
            var pathForSc1Block = tree.GenerateMerklePath(0);

            pathForTx1.Path.AddRange(pathForSc1Block.Path);

            var pathForTx2      = bmt2.GenerateMerklePath(0);
            var pathForSc2Block = tree.GenerateMerklePath(1);

            pathForTx2.Path.AddRange(pathForSc2Block.Path);

            //parentChainBlockInfo.IndexedBlockInfo.Add(1, tree.GenerateMerklePath(0));
            await _contract.WriteParentChainBLockInfo(parentChainBlockInfo);

            //crossChainInfo = new CrossChainInfo(Mock.StateStore);
            parentHeight = crossChainInfo.GetParentChainCurrentHeight();
            Assert.Equal(pHeight, parentHeight);

            var b = await _contract.VerifyTransaction(t1.GetHash(), pathForTx1, parentChainBlockRootInfo.Height);

            Assert.True(b);

            b = await _contract.VerifyTransaction(t2.GetHash(), pathForTx2, parentChainBlockRootInfo.Height);

            Assert.True(b);
        }