diff options
Diffstat (limited to 'src/main.h')
| -rw-r--r-- | src/main.h | 231 |
1 files changed, 27 insertions, 204 deletions
diff --git a/src/main.h b/src/main.h index c5e5f2bfe6..ea86a2bcc0 100644 --- a/src/main.h +++ b/src/main.h @@ -119,6 +119,8 @@ struct CBlockTemplate; void RegisterWallet(CWallet* pwalletIn); /** Unregister a wallet from core */ void UnregisterWallet(CWallet* pwalletIn); +/** Unregister all wallets from core */ +void UnregisterAllWallets(); /** Push an updated transaction to all registered wallets */ void SyncWithWallets(const uint256 &hash, const CTransaction& tx, const CBlock* pblock = NULL, bool fUpdate = false); @@ -157,16 +159,6 @@ bool ProcessMessages(CNode* pfrom); bool SendMessages(CNode* pto, bool fSendTrickle); /** Run an instance of the script checking thread */ void ThreadScriptCheck(); -/** Run the miner threads */ -void GenerateBitcoins(bool fGenerate, CWallet* pwallet); -/** Generate a new block, without valid proof-of-work */ -CBlockTemplate* CreateNewBlock(CReserveKey& reservekey); -/** Modify the extranonce in a block */ -void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce); -/** Do mining precalculation */ -void FormatHashBuffers(CBlock* pblock, char* pmidstate, char* pdata, char* phash1); -/** Check mined block */ -bool CheckWork(CBlock* pblock, CWallet& wallet, CReserveKey& reservekey); /** Check whether a block hash satisfies the proof-of-work requirement specified by nBits */ bool CheckProofOfWork(uint256 hash, unsigned int nBits); /** Calculate the minimum amount of work a received block needs, without knowing its direct parent */ @@ -183,6 +175,8 @@ bool GetTransaction(const uint256 &hash, CTransaction &tx, uint256 &hashBlock, b bool SetBestChain(CValidationState &state, CBlockIndex* pindexNew); /** Find the best known block, and make it the tip of the block chain */ bool ConnectBestBlock(CValidationState &state); +int64 GetBlockValue(int nHeight, int64 nFees); +unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHeader *pblock); void UpdateTime(CBlockHeader& block, const CBlockIndex* pindexPrev); @@ -316,7 +310,7 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, CCoinsViewCach std::vector<CScriptCheck> *pvChecks = NULL); // Apply the effects of this transaction on the UTXO set represented by view -bool UpdateCoins(const CTransaction& tx, CCoinsViewCache &view, CTxUndo &txundo, int nHeight, const uint256 &txhash); +void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCache &inputs, CTxUndo &txundo, int nHeight, const uint256 &txhash); // Context-independent validity checks bool CheckTransaction(const CTransaction& tx, CValidationState& state); @@ -324,7 +318,7 @@ bool CheckTransaction(const CTransaction& tx, CValidationState& state); /** Check for standard transaction types @return True if all outputs (scriptPubKeys) use only standard transaction forms */ -bool IsStandardTx(const CTransaction& tx); +bool IsStandardTx(const CTransaction& tx, std::string& reason); bool IsFinalTx(const CTransaction &tx, int nBlockHeight = 0, int64 nBlockTime = 0); @@ -581,204 +575,33 @@ public: }; -class CBlock : public CBlockHeader -{ -public: - // network and disk - std::vector<CTransaction> vtx; - - // memory only - mutable std::vector<uint256> vMerkleTree; - - CBlock() - { - SetNull(); - } - - CBlock(const CBlockHeader &header) - { - SetNull(); - *((CBlockHeader*)this) = header; - } - - IMPLEMENT_SERIALIZE - ( - READWRITE(*(CBlockHeader*)this); - READWRITE(vtx); - ) - - void SetNull() - { - CBlockHeader::SetNull(); - vtx.clear(); - vMerkleTree.clear(); - } - - CBlockHeader GetBlockHeader() const - { - CBlockHeader block; - block.nVersion = nVersion; - block.hashPrevBlock = hashPrevBlock; - block.hashMerkleRoot = hashMerkleRoot; - block.nTime = nTime; - block.nBits = nBits; - block.nNonce = nNonce; - return block; - } - - uint256 BuildMerkleTree() const - { - vMerkleTree.clear(); - BOOST_FOREACH(const CTransaction& tx, vtx) - vMerkleTree.push_back(tx.GetHash()); - int j = 0; - for (int nSize = vtx.size(); nSize > 1; nSize = (nSize + 1) / 2) - { - for (int i = 0; i < nSize; i += 2) - { - int i2 = std::min(i+1, nSize-1); - vMerkleTree.push_back(Hash(BEGIN(vMerkleTree[j+i]), END(vMerkleTree[j+i]), - BEGIN(vMerkleTree[j+i2]), END(vMerkleTree[j+i2]))); - } - j += nSize; - } - return (vMerkleTree.empty() ? 0 : vMerkleTree.back()); - } - - const uint256 &GetTxHash(unsigned int nIndex) const { - assert(vMerkleTree.size() > 0); // BuildMerkleTree must have been called first - assert(nIndex < vtx.size()); - return vMerkleTree[nIndex]; - } - - std::vector<uint256> GetMerkleBranch(int nIndex) const - { - if (vMerkleTree.empty()) - BuildMerkleTree(); - std::vector<uint256> vMerkleBranch; - int j = 0; - for (int nSize = vtx.size(); nSize > 1; nSize = (nSize + 1) / 2) - { - int i = std::min(nIndex^1, nSize-1); - vMerkleBranch.push_back(vMerkleTree[j+i]); - nIndex >>= 1; - j += nSize; - } - return vMerkleBranch; - } - - static uint256 CheckMerkleBranch(uint256 hash, const std::vector<uint256>& vMerkleBranch, int nIndex) - { - if (nIndex == -1) - return 0; - BOOST_FOREACH(const uint256& otherside, vMerkleBranch) - { - if (nIndex & 1) - hash = Hash(BEGIN(otherside), END(otherside), BEGIN(hash), END(hash)); - else - hash = Hash(BEGIN(hash), END(hash), BEGIN(otherside), END(otherside)); - nIndex >>= 1; - } - return hash; - } - - bool WriteToDisk(CDiskBlockPos &pos) - { - // Open history file to append - CAutoFile fileout = CAutoFile(OpenBlockFile(pos), SER_DISK, CLIENT_VERSION); - if (!fileout) - return error("CBlock::WriteToDisk() : OpenBlockFile failed"); - - // Write index header - unsigned int nSize = fileout.GetSerializeSize(*this); - fileout << FLATDATA(Params().MessageStart()) << nSize; - - // Write block - long fileOutPos = ftell(fileout); - if (fileOutPos < 0) - return error("CBlock::WriteToDisk() : ftell failed"); - pos.nPos = (unsigned int)fileOutPos; - fileout << *this; - - // Flush stdio buffers and commit to disk before returning - fflush(fileout); - if (!IsInitialBlockDownload()) - FileCommit(fileout); - - return true; - } - - bool ReadFromDisk(const CDiskBlockPos &pos) - { - SetNull(); - - // Open history file to read - CAutoFile filein = CAutoFile(OpenBlockFile(pos, true), SER_DISK, CLIENT_VERSION); - if (!filein) - return error("CBlock::ReadFromDisk() : OpenBlockFile failed"); - // Read block - try { - filein >> *this; - } - catch (std::exception &e) { - return error("%s() : deserialize or I/O error", __PRETTY_FUNCTION__); - } +/** Functions for disk access for blocks */ +bool WriteBlockToDisk(CBlock& block, CDiskBlockPos& pos); +bool ReadBlockFromDisk(CBlock& block, const CDiskBlockPos& pos); +bool ReadBlockFromDisk(CBlock& block, const CBlockIndex* pindex); - // Check the header - if (!CheckProofOfWork(GetHash(), nBits)) - return error("CBlock::ReadFromDisk() : errors in block header"); - return true; - } +/** Functions for validating blocks and updating the block tree */ +/** Undo the effects of this block (with given index) on the UTXO set represented by coins. + * In case pfClean is provided, operation will try to be tolerant about errors, and *pfClean + * will be true if no problems were found. Otherwise, the return value will be false in case + * of problems. Note that in any case, coins may be modified. */ +bool DisconnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex, CCoinsViewCache& coins, bool* pfClean = NULL); +// Apply the effects of this block (with given index) on the UTXO set represented by coins +bool ConnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex, CCoinsViewCache& coins, bool fJustCheck = false); - void print() const - { - printf("CBlock(hash=%s, ver=%d, hashPrevBlock=%s, hashMerkleRoot=%s, nTime=%u, nBits=%08x, nNonce=%u, vtx=%"PRIszu")\n", - GetHash().ToString().c_str(), - nVersion, - hashPrevBlock.ToString().c_str(), - hashMerkleRoot.ToString().c_str(), - nTime, nBits, nNonce, - vtx.size()); - for (unsigned int i = 0; i < vtx.size(); i++) - { - printf(" "); - vtx[i].print(); - } - printf(" vMerkleTree: "); - for (unsigned int i = 0; i < vMerkleTree.size(); i++) - printf("%s ", vMerkleTree[i].ToString().c_str()); - printf("\n"); - } - - - /** Undo the effects of this block (with given index) on the UTXO set represented by coins. - * In case pfClean is provided, operation will try to be tolerant about errors, and *pfClean - * will be true if no problems were found. Otherwise, the return value will be false in case - * of problems. Note that in any case, coins may be modified. */ - bool DisconnectBlock(CValidationState &state, CBlockIndex *pindex, CCoinsViewCache &coins, bool *pfClean = NULL); - - // Apply the effects of this block (with given index) on the UTXO set represented by coins - bool ConnectBlock(CValidationState &state, CBlockIndex *pindex, CCoinsViewCache &coins, bool fJustCheck=false); - - // Read a block from disk - bool ReadFromDisk(const CBlockIndex* pindex); - - // Add this block to the block index, and if necessary, switch the active block chain to this - bool AddToBlockIndex(CValidationState &state, const CDiskBlockPos &pos); - - // Context-independent validity checks - bool CheckBlock(CValidationState &state, bool fCheckPOW=true, bool fCheckMerkleRoot=true) const; - - // Store block on disk - // if dbp is provided, the file is known to already reside on disk - bool AcceptBlock(CValidationState &state, CDiskBlockPos *dbp = NULL); -}; +// Add this block to the block index, and if necessary, switch the active block chain to this +bool AddToBlockIndex(CBlock& block, CValidationState& state, const CDiskBlockPos& pos); +// Context-independent validity checks +bool CheckBlock(const CBlock& block, CValidationState& state, bool fCheckPOW = true, bool fCheckMerkleRoot = true); +// Store block on disk +// if dbp is provided, the file is known to already reside on disk +bool AcceptBlock(CBlock& block, CValidationState& state, CDiskBlockPos* dbp = NULL); @@ -1258,8 +1081,8 @@ public: std::map<uint256, CTransaction> mapTx; std::map<COutPoint, CInPoint> mapNextTx; - bool accept(CValidationState &state, CTransaction &tx, bool fLimitFree, bool* pfMissingInputs); - bool addUnchecked(const uint256& hash, CTransaction &tx); + bool accept(CValidationState &state, const CTransaction &tx, bool fLimitFree, bool* pfMissingInputs); + bool addUnchecked(const uint256& hash, const CTransaction &tx); bool remove(const CTransaction &tx, bool fRecursive = false); bool removeConflicts(const CTransaction &tx); void clear(); |