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  • Libplanet
    • Address
    • AddressExtension
    • ByteUtil
    • Hashcash
    • Hashcash.Stamp
    • HashDigest<T>
    • HashDigestExtension
    • Nonce
  • Libplanet.Action
    • AccountStateGetter
    • ActionEvaluation
    • ActionTypeAttribute
    • IAccountStateDelta
    • IAction
    • IActionContext
    • IRandom
    • MissingActionTypeException
    • PolymorphicAction<T>
    • RandomExtension
    • UnexpectedlyTerminatedActionException
  • Libplanet.Blockchain
    • BlockChain<T>
    • BlockChain<T>.TipChangedEventArgs
    • IncompleteBlockStatesException
    • MineBlockEventArgs<T>
  • Libplanet.Blockchain.Policies
    • BlockPolicy<T>
    • IBlockPolicy<T>
  • Libplanet.Blocks
    • Block<T>
    • InvalidBlockDifficultyException
    • InvalidBlockException
    • InvalidBlockHashException
    • InvalidBlockIndexException
    • InvalidBlockNonceException
    • InvalidBlockPreviousHashException
    • InvalidBlockTimestampException
    • InvalidGenesisBlockException
  • Libplanet.Crypto
    • CryptoConfig
    • DefaultCryptoBackend
    • ICryptoBackend
    • InvalidCiphertextException
    • PrivateKey
    • PublicKey
    • SymmetricKey
  • Libplanet.KeyStore
    • IncorrectPassphraseException
    • InvalidKeyJsonException
    • KeyJsonException
    • MismatchedAddressException
    • ProtectedPrivateKey
    • UnsupportedKeyJsonException
  • Libplanet.KeyStore.Ciphers
    • Aes128Ctr
    • ICipher
  • Libplanet.KeyStore.Kdfs
    • IKdf
    • Pbkdf2<T>
    • Scrypt
  • Libplanet.Net
    • ActionExecutionState
    • BlockDownloadState
    • BoundPeer
    • DifferentAppProtocolVersionException
    • DifferentProtocolVersionEventArgs
    • IceServer
    • IceServerException
    • InvalidMessageException
    • NoSwarmContextException
    • Peer
    • PeerNotFoundException
    • PeerState
    • PreloadBlockDownloadFailEventArgs
    • PreloadState
    • StateDownloadState
    • Swarm<T>
    • SwarmException
  • Libplanet.Net.Protocols
    • PeerDiscoveryException
  • Libplanet.Serialization
    • SerializationInfoExtension
  • Libplanet.Store
    • BaseIndex<TKey, TVal>
    • BaseStore
    • BlockSet<T>
    • ChainIdNotFoundException
    • DefaultStore
    • IStore
    • StoreExtension
    • TransactionSet<T>
  • Libplanet.Tx
    • InvalidTxException
    • InvalidTxIdException
    • InvalidTxNonceException
    • InvalidTxPublicKeyException
    • InvalidTxSignatureException
    • InvalidTxUpdatedAddressesException
    • Transaction<T>
    • TxId

Interface IBlockPolicy<T>

An interface to determine if consecutive Block<T>s are valid, and to suggest how difficult a Nonce for a Block<T> to be mined.

Namespace: Libplanet.Blockchain.Policies
Assembly: Libplanet.dll
Syntax
public interface IBlockPolicy<T>
    where T : IAction, new()
Type Parameters
Name Description
T

An IAction type. It should match to Block<T>'s type parameter.

Properties

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BlockAction

A block action to execute and be rendered for every block.

Declaration
IAction BlockAction { get; }
Property Value
Type Description
IAction

Methods

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GetNextBlockDifficulty(BlockChain<T>)

Determines a right Difficulty for a new Block<T> to be mined right after the given blocks.

Declaration
long GetNextBlockDifficulty(BlockChain<T> blocks)
Parameters
Type Name Description
BlockChain<T> blocks

Consecutive Block<T>s to be followed by a new Block<T> to be mined.

Returns
Type Description
Int64

A right Difficulty for a new Block<T> to be mined.

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ValidateNextBlock(BlockChain<T>, Block<T>)

Checks if nextBlock is invalid, and if that returns the reason.

Note that it returns null when nextBlock is valid.

Declaration
InvalidBlockException ValidateNextBlock(BlockChain<T> blocks, Block<T> nextBlock)
Parameters
Type Name Description
BlockChain<T> blocks

Consecutive Block<T>s to append nextBlock.

Block<T> nextBlock

The next block to append to blocks.

Returns
Type Description
InvalidBlockException

The reason why the given blocks are invalid, or null if blocks are valid.

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