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@ -581,128 +581,6 @@ public: |
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}; |
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}; |
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class CBlock : public CBlockHeader |
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{ |
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public: |
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// network and disk
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std::vector<CTransaction> vtx; |
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// memory only
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mutable std::vector<uint256> vMerkleTree; |
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CBlock() |
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{ |
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SetNull(); |
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} |
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CBlock(const CBlockHeader &header) |
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{ |
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SetNull(); |
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*((CBlockHeader*)this) = header; |
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} |
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IMPLEMENT_SERIALIZE |
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( |
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READWRITE(*(CBlockHeader*)this); |
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READWRITE(vtx); |
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) |
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void SetNull() |
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{ |
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CBlockHeader::SetNull(); |
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vtx.clear(); |
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vMerkleTree.clear(); |
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} |
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CBlockHeader GetBlockHeader() const |
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{ |
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CBlockHeader block; |
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block.nVersion = nVersion; |
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block.hashPrevBlock = hashPrevBlock; |
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block.hashMerkleRoot = hashMerkleRoot; |
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block.nTime = nTime; |
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block.nBits = nBits; |
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block.nNonce = nNonce; |
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return block; |
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} |
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uint256 BuildMerkleTree() const |
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{ |
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vMerkleTree.clear(); |
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BOOST_FOREACH(const CTransaction& tx, vtx) |
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vMerkleTree.push_back(tx.GetHash()); |
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int j = 0; |
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for (int nSize = vtx.size(); nSize > 1; nSize = (nSize + 1) / 2) |
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{ |
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for (int i = 0; i < nSize; i += 2) |
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{ |
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int i2 = std::min(i+1, nSize-1); |
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vMerkleTree.push_back(Hash(BEGIN(vMerkleTree[j+i]), END(vMerkleTree[j+i]), |
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BEGIN(vMerkleTree[j+i2]), END(vMerkleTree[j+i2]))); |
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} |
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j += nSize; |
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} |
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return (vMerkleTree.empty() ? 0 : vMerkleTree.back()); |
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} |
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const uint256 &GetTxHash(unsigned int nIndex) const { |
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assert(vMerkleTree.size() > 0); // BuildMerkleTree must have been called first
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assert(nIndex < vtx.size()); |
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return vMerkleTree[nIndex]; |
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} |
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std::vector<uint256> GetMerkleBranch(int nIndex) const |
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{ |
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if (vMerkleTree.empty()) |
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BuildMerkleTree(); |
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std::vector<uint256> vMerkleBranch; |
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int j = 0; |
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for (int nSize = vtx.size(); nSize > 1; nSize = (nSize + 1) / 2) |
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{ |
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int i = std::min(nIndex^1, nSize-1); |
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vMerkleBranch.push_back(vMerkleTree[j+i]); |
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nIndex >>= 1; |
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j += nSize; |
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} |
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return vMerkleBranch; |
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} |
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static uint256 CheckMerkleBranch(uint256 hash, const std::vector<uint256>& vMerkleBranch, int nIndex) |
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{ |
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if (nIndex == -1) |
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return 0; |
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BOOST_FOREACH(const uint256& otherside, vMerkleBranch) |
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{ |
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if (nIndex & 1) |
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hash = Hash(BEGIN(otherside), END(otherside), BEGIN(hash), END(hash)); |
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else |
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hash = Hash(BEGIN(hash), END(hash), BEGIN(otherside), END(otherside)); |
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nIndex >>= 1; |
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} |
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return hash; |
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} |
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void print() const |
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{ |
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printf("CBlock(hash=%s, ver=%d, hashPrevBlock=%s, hashMerkleRoot=%s, nTime=%u, nBits=%08x, nNonce=%u, vtx=%"PRIszu")\n", |
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GetHash().ToString().c_str(), |
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nVersion, |
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hashPrevBlock.ToString().c_str(), |
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hashMerkleRoot.ToString().c_str(), |
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nTime, nBits, nNonce, |
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vtx.size()); |
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for (unsigned int i = 0; i < vtx.size(); i++) |
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{ |
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printf(" "); |
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vtx[i].print(); |
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} |
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printf(" vMerkleTree: "); |
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for (unsigned int i = 0; i < vMerkleTree.size(); i++) |
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printf("%s ", vMerkleTree[i].ToString().c_str()); |
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printf("\n"); |
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} |
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}; |
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/** Functions for disk access for blocks */ |
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/** Functions for disk access for blocks */ |
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bool WriteBlockToDisk(CBlock& block, CDiskBlockPos& pos); |
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bool WriteBlockToDisk(CBlock& block, CDiskBlockPos& pos); |
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