@ -30,9 +30,10 @@
# include <chrono>
# include <libdevcore/Log.h>
# include <libdevcore/Exceptions.h>
# include <libdevcore/Guards.h>
# include <libethcore/Common.h>
# include <libethcore/BlockInfo.h>
# include <libd evcor e/Guards .h>
# include <libevm/ExtVMFa ce.h>
# include "BlockDetails.h"
# include "Account.h"
# include "Transaction.h"
@ -61,7 +62,7 @@ struct BlockChainNote: public LogChannel { static const char* name() { return "=
// TODO: Move all this Genesis stuff into Genesis.h/.cpp
std : : map < Address , Account > const & genesisState ( ) ;
ldb : : Slice toSlice ( h256 _h , unsigned _sub = 0 ) ;
ldb : : Slice toSlice ( h256 const & _h , unsigned _sub = 0 ) ;
using BlocksHash = std : : map < h256 , bytes > ;
using TransactionHashes = h256s ;
@ -105,37 +106,42 @@ public:
h256s import ( bytes const & _block , OverlayDB const & _stateDB ) ;
/// Returns true if the given block is known (though not necessarily a part of the canon chain).
bool isKnown ( h256 _hash ) const ;
bool isKnown ( h256 const & _hash ) const ;
/// Get the familial details concerning a block (or the most recent mined if none given). Thread-safe.
BlockInfo info ( h256 _hash ) const { return BlockInfo ( block ( _hash ) ) ; }
BlockInfo info ( h256 const & _hash ) const { return BlockInfo ( block ( _hash ) ) ; }
BlockInfo info ( ) const { return BlockInfo ( block ( ) ) ; }
/// Get a block (RLP format) for the given hash (or the most recent mined if none given). Thread-safe.
bytes block ( h256 _hash ) const ;
bytes block ( h256 const & _hash ) const ;
bytes block ( ) const { return block ( currentHash ( ) ) ; }
/// Get the familial details concerning a block (or the most recent mined if none given). Thread-safe.
BlockDetails details ( h256 _hash ) const { return queryExtras < BlockDetails , ExtraDetails > ( _hash , m_details , x_details , NullBlockDetails ) ; }
BlockDetails details ( h256 const & _hash ) const { return queryExtras < BlockDetails , ExtraDetails > ( _hash , m_details , x_details , NullBlockDetails ) ; }
BlockDetails details ( ) const { return details ( currentHash ( ) ) ; }
/// Get the transactions' log blooms of a block (or the most recent mined if none given). Thread-safe.
BlockLogBlooms logBlooms ( h256 _hash ) const { return queryExtras < BlockLogBlooms , ExtraLogBlooms > ( _hash , m_logBlooms , x_logBlooms , NullBlockLogBlooms ) ; }
BlockLogBlooms logBlooms ( h256 const & _hash ) const { return queryExtras < BlockLogBlooms , ExtraLogBlooms > ( _hash , m_logBlooms , x_logBlooms , NullBlockLogBlooms ) ; }
BlockLogBlooms logBlooms ( ) const { return logBlooms ( currentHash ( ) ) ; }
/// Get the transactions' receipts of a block (or the most recent mined if none given). Thread-safe.
BlockReceipts receipts ( h256 _hash ) const { return queryExtras < BlockReceipts , ExtraReceipts > ( _hash , m_receipts , x_receipts , NullBlockReceipts ) ; }
BlockReceipts receipts ( h256 const & _hash ) const { return queryExtras < BlockReceipts , ExtraReceipts > ( _hash , m_receipts , x_receipts , NullBlockReceipts ) ; }
BlockReceipts receipts ( ) const { return receipts ( currentHash ( ) ) ; }
/// Get a list of transaction hashes for a given block. Thread-safe.
TransactionHashes transactionHashes ( h256 _hash ) const { auto b = block ( _hash ) ; RLP rlp ( b ) ; h256s ret ; for ( auto t : rlp [ 1 ] ) ret . push_back ( sha3 ( t . data ( ) ) ) ; return ret ; }
TransactionHashes transactionHashes ( h256 const & _hash ) const { auto b = block ( _hash ) ; RLP rlp ( b ) ; h256s ret ; for ( auto t : rlp [ 1 ] ) ret . push_back ( sha3 ( t . data ( ) ) ) ; return ret ; }
TransactionHashes transactionHashes ( ) const { return transactionHashes ( currentHash ( ) ) ; }
/// Get a list of uncle hashes for a given block. Thread-safe.
UncleHashes uncleHashes ( h256 _hash ) const { auto b = block ( _hash ) ; RLP rlp ( b ) ; h256s ret ; for ( auto t : rlp [ 2 ] ) ret . push_back ( sha3 ( t . data ( ) ) ) ; return ret ; }
UncleHashes uncleHashes ( h256 const & _hash ) const { auto b = block ( _hash ) ; RLP rlp ( b ) ; h256s ret ; for ( auto t : rlp [ 2 ] ) ret . push_back ( sha3 ( t . data ( ) ) ) ; return ret ; }
UncleHashes uncleHashes ( ) const { return uncleHashes ( currentHash ( ) ) ; }
h256 numberHash ( u256 _index ) const { if ( ! _index ) return genesisHash ( ) ; return queryExtras < BlockHash , ExtraBlockHash > ( h256 ( _index ) , m_blockHashes , x_blockHashes , NullBlockHash ) . value ; }
/// Get the hash for a given block's number.
h256 numberHash ( unsigned _i ) const { if ( ! _i ) return genesisHash ( ) ; return queryExtras < BlockHash , ExtraBlockHash > ( h256 ( u256 ( _i ) ) , m_blockHashes , x_blockHashes , NullBlockHash ) . value ; }
/// Get the last N hashes for a given block. (N is determined by the LastHashes type.)
LastHashes lastHashes ( ) const { return lastHashes ( number ( ) ) ; }
LastHashes lastHashes ( unsigned _i ) const ;
/** Get the block blooms for a number of blocks. Thread-safe.
* @ returns the object pertaining to the blocks :
@ -158,15 +164,15 @@ public:
std : : vector < unsigned > withBlockBloom ( LogBloom const & _b , unsigned _earliest , unsigned _latest , unsigned _topLevel , unsigned _index ) const ;
/// Get a transaction from its hash. Thread-safe.
bytes transaction ( h256 _transactionHash ) const { TransactionAddress ta = queryExtras < TransactionAddress , ExtraTransactionAddress > ( _transactionHash , m_transactionAddresses , x_transactionAddresses , NullTransactionAddress ) ; if ( ! ta ) return bytes ( ) ; return transaction ( ta . blockHash , ta . index ) ; }
std : : pair < h256 , unsigned > transactionLocation ( h256 _transactionHash ) const { TransactionAddress ta = queryExtras < TransactionAddress , ExtraTransactionAddress > ( _transactionHash , m_transactionAddresses , x_transactionAddresses , NullTransactionAddress ) ; if ( ! ta ) return std : : pair < h256 , unsigned > ( h256 ( ) , 0 ) ; return std : : make_pair ( ta . blockHash , ta . index ) ; }
bytes transaction ( h256 const & _transactionHash ) const { TransactionAddress ta = queryExtras < TransactionAddress , ExtraTransactionAddress > ( _transactionHash , m_transactionAddresses , x_transactionAddresses , NullTransactionAddress ) ; if ( ! ta ) return bytes ( ) ; return transaction ( ta . blockHash , ta . index ) ; }
std : : pair < h256 , unsigned > transactionLocation ( h256 const & _transactionHash ) const { TransactionAddress ta = queryExtras < TransactionAddress , ExtraTransactionAddress > ( _transactionHash , m_transactionAddresses , x_transactionAddresses , NullTransactionAddress ) ; if ( ! ta ) return std : : pair < h256 , unsigned > ( h256 ( ) , 0 ) ; return std : : make_pair ( ta . blockHash , ta . index ) ; }
/// Get a block's transaction (RLP format) for the given block hash (or the most recent mined if none given) & index. Thread-safe.
bytes transaction ( h256 _blockHash , unsigned _i ) const { bytes b = block ( _blockHash ) ; return RLP ( b ) [ 1 ] [ _i ] . data ( ) . toBytes ( ) ; }
bytes transaction ( h256 const & _blockHash , unsigned _i ) const { bytes b = block ( _blockHash ) ; return RLP ( b ) [ 1 ] [ _i ] . data ( ) . toBytes ( ) ; }
bytes transaction ( unsigned _i ) const { return transaction ( currentHash ( ) , _i ) ; }
/// Get a number for the given hash (or the most recent mined if none given). Thread-safe.
unsigned number ( h256 _hash ) const { return details ( _hash ) . number ; }
unsigned number ( h256 const & _hash ) const { return details ( _hash ) . number ; }
unsigned number ( ) const { return number ( currentHash ( ) ) ; }
/// Get a given block (RLP format). Thread-safe.
@ -178,7 +184,7 @@ public:
/// Get all blocks not allowed as uncles given a parent (i.e. featured as uncles/main in parent, parent + 1, ... parent + 5).
/// @returns set including the header-hash of every parent (including @a _parent) up to and including generation +5
/// togther with all their quoted uncles.
h256Set allUnclesFrom ( h256 _parent ) const ;
h256Set allUnclesFrom ( h256 const & _parent ) const ;
/** @returns the hash of all blocks between @a _from and @a _to, all blocks are ordered first by a number of
* blocks that are parent - to - child , then two sibling blocks , then a number of blocks that are child - to - parent .
@ -194,7 +200,7 @@ public:
* treeRoute ( 1 b , 2 a ) = = { 1 b , 1 a , 2 a } ; // *o_common == g
* @ endcode
*/
h256s treeRoute ( h256 _from , h256 _to , h256 * o_common = nullptr , bool _pre = true , bool _post = true ) const ;
h256s treeRoute ( h256 const & _from , h256 const & _to , h256 * o_common = nullptr , bool _pre = true , bool _post = true ) const ;
struct Statistics
{
@ -219,7 +225,7 @@ private:
void open ( std : : string _path , bool _killExisting = false ) ;
void close ( ) ;
template < class T , unsigned N > T queryExtras ( h256 _h , std : : map < h256 , T > & _m , boost : : shared_mutex & _x , T const & _n ) const
template < class T , unsigned N > T queryExtras ( h256 const & _h , std : : map < h256 , T > & _m , boost : : shared_mutex & _x , T const & _n ) const
{
{
ReadGuard l ( _x ) ;
@ -268,6 +274,11 @@ private:
void noteUsed ( h256 const & _h , unsigned _extra = ( unsigned ) - 1 ) const ;
std : : chrono : : system_clock : : time_point m_lastCollection ;
void noteCanonChanged ( ) const { Guard l ( x_lastLastHashes ) ; m_lastLastHashes . clear ( ) ; }
mutable Mutex x_lastLastHashes ;
mutable LastHashes m_lastLastHashes ;
mutable unsigned m_lastLastHashesNumber = ( unsigned ) - 1 ;
void updateStats ( ) const ;
mutable Statistics m_lastStats ;
subtly
10 years ago