/// <summary>
/// Suggested block validation runs basic checks that can be executed before going through the expensive EVM processing.
/// </summary>
/// <param name="block">A block to validate</param>
/// <returns><value>True</value> if the <paramref name="block"/> is valid, otherwise <value>False</value></returns>
public bool ValidateSuggestedBlock(Block block)
{
Transaction[] txs = block.Transactions;
IReleaseSpec spec = _specProvider.GetSpec(block.Number);
for (int i = 0; i < txs.Length; i++)
{
if (!_txValidator.IsWellFormed(txs[i], spec))
{
if (_logger.IsDebug)
{
_logger.Debug($"Invalid block ({block.ToString(Block.Format.FullHashAndNumber)}) - invalid transaction ({txs[i].Hash})");
}
return(false);
}
}
if (spec.MaximumUncleCount < block.Uncles.Length)
{
_logger.Debug($"Invalid block ({block.ToString(Block.Format.FullHashAndNumber)}) - uncle count is {block.Uncles.Length} (MAX: {spec.MaximumUncleCount})");
return(false);
}
if (block.Header.UnclesHash != UnclesHash.Calculate(block))
{
_logger.Debug($"Invalid block ({block.ToString(Block.Format.FullHashAndNumber)}) - invalid uncles hash");
return(false);
}
if (!_unclesValidator.Validate(block.Header, block.Uncles))
{
_logger.Debug($"Invalid block ({block.ToString(Block.Format.FullHashAndNumber)}) - invalid uncles");
return(false);
}
bool blockHeaderValid = _headerValidator.Validate(block.Header);
if (!blockHeaderValid)
{
if (_logger.IsDebug)
{
_logger.Debug($"Invalid block ({block.ToString(Block.Format.FullHashAndNumber)}) - invalid header");
}
return(false);
}
Keccak txRoot = new TxTrie(block.Transactions).RootHash;
if (txRoot != block.Header.TxRoot)
{
if (_logger.IsDebug)
{
_logger.Debug($"Invalid block ({block.ToString(Block.Format.FullHashAndNumber)}) tx root {txRoot} != stated tx root {block.Header.TxRoot}");
}
return(false);
}
return(true);
}
public bool Validate(BlockHeader header, BlockHeader[] uncles)
{
if (_poSSwitcher.IsPostMerge(header))
{
return(true);
}
return(_preMergeUnclesValidator.Validate(header, uncles));
}
