/// <summary>
/// Creates a new chain with the provided genesis transactions and Smart Contract Zero.
/// </summary>
/// <returns>The new chain async.</returns>
/// <param name="">The new chain id which will be derived from the creator address.</param>
/// <param name="genesisTransactions">The transactions to be executed in the genesis block.</param>
public async Task <Chain> CreateNewChainAsync(IEnumerable <Transaction> genesisTransactions)
{
try
{
var blockHeader = new BlockHeader
{
Height = AElfConstants.GenesisBlockHeight,
PreviousBlockHash = Hash.Empty,
Time = new Timestamp {
Seconds = 0
},
ChainId = _blockchainService.GetChainId()
};
var transactions = genesisTransactions.ToList();
var block = await _blockExecutingService.ExecuteBlockAsync(blockHeader, transactions);
var chain = await _blockchainService.CreateChainAsync(block, transactions);
await _blockchainExecutingService.ExecuteBlocksAttachedToLongestChain(chain, BlockAttachOperationStatus.LongestChainFound);
return(await _blockchainService.GetChainAsync());
}
catch (Exception e)
{
Logger.LogError(e, "Create new chain failed.");
throw;
}
}
/// <summary>
/// Creates a new chain with the provided and Smart Contract Zero.
/// </summary>
/// <returns>The new chain async.</returns>
/// <param name="">The new chain id which will be derived from the creator address.</param>
/// <param name="genesisTransactions">The transactions to be executed in the genesis block.</param>
public async Task <Chain> CreateNewChainAsync(IEnumerable <Transaction> genesisTransactions)
{
try
{
var blockHeader = new BlockHeader
{
Height = KernelConstants.GenesisBlockHeight,
PreviousBlockHash = Hash.Empty,
Time = Timestamp.FromDateTime(DateTime.MinValue.ToUniversalTime()),
ChainId = _blockchainService.GetChainId()
};
var block = await _blockExecutingService.ExecuteBlockAsync(blockHeader, genesisTransactions);
var chain = await _blockchainService.CreateChainAsync(block);
await _blockchainExecutingService.ExecuteBlocksAttachedToLongestChain(chain, BlockAttachOperationStatus.LongestChainFound);
return(await _blockchainService.GetChainAsync());
}
catch (Exception e)
{
Logger.LogError("CreateNewChainAsync Error: " + e);
throw;
}
}
public async Task AttachBlockAsync(Block block)
{
var chain = await _blockchainService.GetChainAsync();
var status = await _blockchainService.AttachBlockToChainAsync(chain, block);
await _blockchainExecutingService.ExecuteBlocksAttachedToLongestChain(chain, status);
}
public void ExecuteBlocksAttachedToLongestChainTest()
{
AsyncHelper.RunSync(async() =>
{
var chain = await _blockchainService.GetChainAsync();
await _blockchainExecutingService.ExecuteBlocksAttachedToLongestChain(chain,
BlockAttachOperationStatus.LongestChainFound);
});
_counter.Increment();
}
public async Task AttachBlockAsync(Block block)
{
var existBlock = await _blockchainService.GetBlockHeaderByHashAsync(block.GetHash());
if (existBlock != null)
{
Logger.LogDebug($"Try attaching block but already exist, {block}");
return;
}
if (!await _blockValidationService.ValidateBlockBeforeAttachAsync(block))
{
Logger.LogWarning($"Validate block failed (before attach to chain), {block}");
return;
}
await _blockchainService.AddBlockAsync(block);
var chain = await _blockchainService.GetChainAsync();
var status = await _blockchainService.AttachBlockToChainAsync(chain, block);
await _blockchainExecutingService.ExecuteBlocksAttachedToLongestChain(chain, status);
}
