Interface IBlockMetadata

A common interface for blocks that do not have any proofs nor transactions (but only TxHash).

Namespace: Libplanet.Types.Blocks
Assembly: Libplanet.Types.dll
Syntax
public interface IBlockMetadata

Properties

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Index

The height of the block.

Declaration
long Index { get; }
Property Value
Type Description
Int64
Remarks

Zero means it is a genesis block. Not allowed to be negative.

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LastCommit

The BlockCommit about previous block's vote information.

Declaration
BlockCommit LastCommit { get; }
Property Value
Type Description
BlockCommit
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Miner

The address of the miner.

Declaration
Address Miner { get; }
Property Value
Type Description
Address
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PreviousHash

The previous block's hash. If it's a genesis block (i.e., its Index is 0) this must be null.

Declaration
BlockHash? PreviousHash { get; }
Property Value
Type Description
Nullable<BlockHash>
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ProtocolVersion

The protocol version number.

Declaration
int ProtocolVersion { get; }
Property Value
Type Description
Int32
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PublicKey

The public key of the Miner. This is used for verifying the signature.

Although this is nullable type-wise, it is mandatory where ProtocolVersion is 2 or later. As blocks had not been signed in the previous protocol versions, the type of this is nullable.

Declaration
PublicKey PublicKey { get; }
Property Value
Type Description
PublicKey
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Timestamp

The time the block is created.

Declaration
DateTimeOffset Timestamp { get; }
Property Value
Type Description
DateTimeOffset
Remarks

This is always UTC.

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TxHash

The hash of all transactions in the block. This is null if the block has no transactions.

Declaration
HashDigest<SHA256>? TxHash { get; }
Property Value
Type Description
Nullable<HashDigest<SHA256>>

Extension Methods