BlockUtils.h

Go to the documentation of this file.

 
#pragma once
#include "Block.h"
#include "Elements.h"
#include "EntityInfo.h"
 
namespace catapult { namespace crypto { class KeyPair; } }
 
namespace catapult { namespace model {
 
    // region hashes
 
    void CalculateBlockTransactionsHash(const std::vector<const TransactionInfo*>& transactionInfos, Hash256& blockTransactionsHash);
 
    GenerationHash CalculateGenerationHash(const GenerationHash& previousGenerationHash, const Key& publicKey);
 
    // endregion
 
    // region sign / verify
 
    void SignBlockHeader(const crypto::KeyPair& signer, Block& block);
 
    bool VerifyBlockHeaderSignature(const Block& block);
 
    // endregion
 
    // region fees
 
    struct BlockTransactionsInfo {
        uint32_t Count = 0;
 
        Amount TotalFee;
    };
 
    BlockTransactionsInfo CalculateBlockTransactionsInfo(const Block& block);
 
    // endregion
 
    // region create block
 
    using Transactions = std::vector<std::shared_ptr<const Transaction>>;
 
    struct PreviousBlockContext {
        PreviousBlockContext()
                : BlockHash()
                , GenerationHash()
                , BlockHeight(0)
                , Timestamp(0)
        {}
 
        explicit PreviousBlockContext(const BlockElement& blockElement)
                : BlockHash(blockElement.EntityHash)
                , GenerationHash(blockElement.GenerationHash)
                , BlockHeight(blockElement.Block.Height)
                , Timestamp(blockElement.Block.Timestamp)
        {}
 
        Hash256 BlockHash;
 
        catapult::GenerationHash GenerationHash;
 
        Height BlockHeight;
 
        catapult::Timestamp Timestamp;
    };
 
    std::unique_ptr<Block> CreateBlock(
            const PreviousBlockContext& context,
            NetworkIdentifier networkIdentifier,
            const Key& signerPublicKey,
            const Transactions& transactions);
 
    std::unique_ptr<Block> StitchBlock(const BlockHeader& blockHeader, const Transactions& transactions);
 
    // endregion
}}