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-rw-r--r--src/main.h209
1 files changed, 19 insertions, 190 deletions
diff --git a/src/main.h b/src/main.h
index c5e5f2bfe6..9e0235fa57 100644
--- a/src/main.h
+++ b/src/main.h
@@ -581,204 +581,33 @@ 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);
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-07 04:46:33 +0000