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@ -253,6 +253,61 @@ bool CBlockTreeDB::LoadBlockIndexGuts(std::function<CBlockIndex*(const uint256&)
@@ -253,6 +253,61 @@ bool CBlockTreeDB::LoadBlockIndexGuts(std::function<CBlockIndex*(const uint256&)
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return true; |
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} |
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namespace { |
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//! Legacy class to deserialize pre-pertxout database entries without reindex.
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class CCoins |
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{ |
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public: |
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//! whether transaction is a coinbase
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bool fCoinBase; |
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//! unspent transaction outputs; spent outputs are .IsNull(); spent outputs at the end of the array are dropped
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std::vector<CTxOut> vout; |
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//! at which height this transaction was included in the active block chain
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int nHeight; |
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//! empty constructor
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CCoins() : fCoinBase(false), vout(0), nHeight(0) { } |
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template<typename Stream> |
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void Unserialize(Stream &s) { |
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unsigned int nCode = 0; |
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// version
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int nVersionDummy; |
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::Unserialize(s, VARINT(nVersionDummy)); |
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// header code
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::Unserialize(s, VARINT(nCode)); |
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fCoinBase = nCode & 1; |
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std::vector<bool> vAvail(2, false); |
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vAvail[0] = (nCode & 2) != 0; |
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vAvail[1] = (nCode & 4) != 0; |
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unsigned int nMaskCode = (nCode / 8) + ((nCode & 6) != 0 ? 0 : 1); |
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// spentness bitmask
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while (nMaskCode > 0) { |
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unsigned char chAvail = 0; |
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::Unserialize(s, chAvail); |
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for (unsigned int p = 0; p < 8; p++) { |
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bool f = (chAvail & (1 << p)) != 0; |
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vAvail.push_back(f); |
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} |
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if (chAvail != 0) |
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nMaskCode--; |
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} |
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// txouts themself
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vout.assign(vAvail.size(), CTxOut()); |
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for (unsigned int i = 0; i < vAvail.size(); i++) { |
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if (vAvail[i]) |
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::Unserialize(s, REF(CTxOutCompressor(vout[i]))); |
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} |
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// coinbase height
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::Unserialize(s, VARINT(nHeight)); |
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} |
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}; |
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} |
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/** Upgrade the database from older formats.
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* |
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* Currently implemented: from the per-tx utxo model (0.8..0.14.x) to per-txout. |
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