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);
}
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);
}