diff options
Diffstat (limited to 'src/chainparams.h')
-rw-r--r-- | src/chainparams.h | 47 |
1 files changed, 34 insertions, 13 deletions
diff --git a/src/chainparams.h b/src/chainparams.h index d8b25c7220..5c2351eea6 100644 --- a/src/chainparams.h +++ b/src/chainparams.h @@ -10,15 +10,11 @@ #include <consensus/params.h> #include <primitives/block.h> #include <protocol.h> +#include <util/hash_type.h> #include <memory> #include <vector> -struct SeedSpec6 { - uint8_t addr[16]; - uint16_t port; -}; - typedef std::map<int, uint256> MapCheckpoints; struct CCheckpointData { @@ -30,6 +26,28 @@ struct CCheckpointData { } }; +struct AssumeutxoHash : public BaseHash<uint256> { + explicit AssumeutxoHash(const uint256& hash) : BaseHash(hash) {} +}; + +/** + * Holds configuration for use during UTXO snapshot load and validation. The contents + * here are security critical, since they dictate which UTXO snapshots are recognized + * as valid. + */ +struct AssumeutxoData { + //! The expected hash of the deserialized UTXO set. + const AssumeutxoHash hash_serialized; + + //! Used to populate the nChainTx value, which is used during BlockManager::LoadBlockIndex(). + //! + //! We need to hardcode the value here because this is computed cumulatively using block data, + //! which we do not necessarily have at the time of snapshot load. + const unsigned int nChainTx; +}; + +using MapAssumeutxo = std::map<int, const AssumeutxoData>; + /** * Holds various statistics on transactions within a chain. Used to estimate * verification progress during chain sync. @@ -44,10 +62,7 @@ struct ChainTxData { /** * CChainParams defines various tweakable parameters of a given instance of the - * Bitcoin system. There are three: the main network on which people trade goods - * and services, the public test network which gets reset from time to time and - * a regression test mode which is intended for private networks only. It has - * minimal difficulty to ensure that blocks can be found instantly. + * Bitcoin system. */ class CChainParams { @@ -64,7 +79,7 @@ public: const Consensus::Params& GetConsensus() const { return consensus; } const CMessageHeader::MessageStartChars& MessageStart() const { return pchMessageStart; } - int GetDefaultPort() const { return nDefaultPort; } + uint16_t GetDefaultPort() const { return nDefaultPort; } const CBlock& GenesisBlock() const { return genesis; } /** Default value for -checkmempool and -checkblockindex argument */ @@ -88,15 +103,20 @@ public: const std::vector<std::string>& DNSSeeds() const { return vSeeds; } const std::vector<unsigned char>& Base58Prefix(Base58Type type) const { return base58Prefixes[type]; } const std::string& Bech32HRP() const { return bech32_hrp; } - const std::vector<SeedSpec6>& FixedSeeds() const { return vFixedSeeds; } + const std::vector<uint8_t>& FixedSeeds() const { return vFixedSeeds; } const CCheckpointData& Checkpoints() const { return checkpointData; } + + //! Get allowed assumeutxo configuration. + //! @see ChainstateManager + const MapAssumeutxo& Assumeutxo() const { return m_assumeutxo_data; } + const ChainTxData& TxData() const { return chainTxData; } protected: CChainParams() {} Consensus::Params consensus; CMessageHeader::MessageStartChars pchMessageStart; - int nDefaultPort; + uint16_t nDefaultPort; uint64_t nPruneAfterHeight; uint64_t m_assumed_blockchain_size; uint64_t m_assumed_chain_state_size; @@ -105,12 +125,13 @@ protected: std::string bech32_hrp; std::string strNetworkID; CBlock genesis; - std::vector<SeedSpec6> vFixedSeeds; + std::vector<uint8_t> vFixedSeeds; bool fDefaultConsistencyChecks; bool fRequireStandard; bool m_is_test_chain; bool m_is_mockable_chain; CCheckpointData checkpointData; + MapAssumeutxo m_assumeutxo_data; ChainTxData chainTxData; }; |