private static BlockPolicyViolationException ValidateMinerAuthorityRaw(
Block <NCAction> block,
IVariableSubPolicy <ImmutableHashSet <Address> > authorizedMinersPolicy)
{
// For genesis block, any miner can mine.
if (block.Index == 0)
{
return(null);
}
// If not an authorized mining block index, any miner can mine.
else if (!authorizedMinersPolicy.IsTargetIndex(block.Index))
{
return(null);
}
// Otherwise, block's miner should be one of the authorized miners.
else if (authorizedMinersPolicy.Getter(block.Index).Contains(block.Miner))
{
return(null);
}
else
{
return(new BlockPolicyViolationException(
$"The block #{block.Index} {block.Hash} is not mined by an authorized miner."));
}
}
internal static BlockPolicyViolationException ValidateNextBlockRaw(
BlockChain <NCAction> blockChain,
Block <NCAction> nextBlock,
IVariableSubPolicy <HashAlgorithmType> hashAlgorithmTypePolicy,
IVariableSubPolicy <int> maxBlockBytesPolicy,
IVariableSubPolicy <int> minTransactionsPerBlockPolicy,
IVariableSubPolicy <int> maxTransactionsPerBlockPolicy,
IVariableSubPolicy <int> maxTransactionsPerSignerPerBlockPolicy,
IVariableSubPolicy <ImmutableHashSet <Address> > authorizedMinersPolicy,
IVariableSubPolicy <ImmutableHashSet <Address> > permissionedMinersPolicy)
{
if (ValidateHashAlgorithmTypeRaw(
nextBlock,
hashAlgorithmTypePolicy) is InvalidBlockHashAlgorithmTypeException ibhate)
{
return(ibhate);
}
else if (ValidateBlockBytesRaw(
nextBlock,
maxBlockBytesPolicy) is InvalidBlockBytesLengthException ibble)
{
return(ibble);
}
else if (ValidateTxCountPerBlockRaw(
nextBlock,
minTransactionsPerBlockPolicy,
maxTransactionsPerBlockPolicy) is InvalidBlockTxCountException ibtce)
{
return(ibtce);
}
else if (ValidateTxCountPerSignerPerBlockRaw(
nextBlock,
maxTransactionsPerSignerPerBlockPolicy) is InvalidBlockTxCountPerSignerException ibtcpse)
{
return(ibtcpse);
}
else
{
if (nextBlock.Index == 0)
{
return(null);
}
else if (authorizedMinersPolicy.IsTargetIndex(nextBlock.Index))
{
return(ValidateMinerAuthorityRaw(
nextBlock,
authorizedMinersPolicy));
}
else if (permissionedMinersPolicy.IsTargetIndex(nextBlock.Index))
{
return(ValidateMinerPermissionRaw(
nextBlock,
permissionedMinersPolicy));
}
}
return(null);
}
private static BlockPolicyViolationException ValidateMinerPermissionRaw(
Block <NCAction> block,
IVariableSubPolicy <ImmutableHashSet <Address> > permissionedMinersPolicy)
{
// If the set of permissioned miners is empty, any miner can mine.
if (!permissionedMinersPolicy.IsTargetIndex(block.Index))
{
return(null);
}
else if (permissionedMinersPolicy.Getter(block.Index).Contains(block.Miner))
{
return(null);
}
else
{
return(new BlockPolicyViolationException(
$"Block #{block.Index} {block.Hash} is not mined by " +
$"a permissioned miner: {block.Miner}"));
}
}
internal static BlockPolicyViolationException ValidateNextBlockRaw(
BlockChain <NCAction> blockChain,
Block <NCAction> nextBlock,
IVariableSubPolicy <int> minTransactionsPerBlockPolicy,
IVariableSubPolicy <int> maxTransactionsPerBlockPolicy,
IVariableSubPolicy <int> maxTransactionsPerSignerPerBlockPolicy,
IVariableSubPolicy <ImmutableHashSet <Address> > authorizedMinersPolicy,
IVariableSubPolicy <ImmutableHashSet <Address> > permissionedMinersPolicy)
{
// FIXME: Tx count validation should be done in libplanet, not here.
// Should be removed once libplanet is updated.
if (ValidateTxCountPerBlockRaw(
nextBlock,
minTransactionsPerBlockPolicy,
maxTransactionsPerBlockPolicy,
maxTransactionsPerSignerPerBlockPolicy) is BlockPolicyViolationException bpve)
{
return(bpve);
}
else
{
if (nextBlock.Index == 0)
{
return(null);
}
else if (authorizedMinersPolicy.IsTargetIndex(nextBlock.Index))
{
return(ValidateMinerAuthorityRaw(
nextBlock,
authorizedMinersPolicy));
}
else if (permissionedMinersPolicy.IsTargetIndex(nextBlock.Index))
{
return(ValidateMinerPermissionRaw(
nextBlock,
permissionedMinersPolicy));
}
}
return(null);
}
private static bool IsAllowedToMineRaw(
Address miner,
long index,
IVariableSubPolicy <ImmutableHashSet <Address> > authorizedMinersPolicy,
IVariableSubPolicy <ImmutableHashSet <Address> > permissionedMinersPolicy)
{
// For genesis blocks, any miner is allowed to mine.
if (index == 0)
{
return(true);
}
else if (authorizedMinersPolicy.IsTargetIndex(index))
{
return(authorizedMinersPolicy.Getter(index).Contains(miner));
}
else if (permissionedMinersPolicy.IsTargetIndex(index))
{
return(permissionedMinersPolicy.Getter(index).Contains(miner));
}
// If none of the conditions apply, any miner is allowed to mine.
return(true);
}