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-rw-r--r--src/main.cpp170
1 files changed, 4 insertions, 166 deletions
diff --git a/src/main.cpp b/src/main.cpp
index 5b330536fd..3c4b108c8b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -228,128 +228,6 @@ CBlockIndex *CChain::FindFork(const CBlockLocator &locator) const {
return Genesis();
}
-//////////////////////////////////////////////////////////////////////////////
-//
-// CCoinsView implementations
-//
-
-bool CCoinsView::GetCoins(const uint256 &txid, CCoins &coins) { return false; }
-bool CCoinsView::SetCoins(const uint256 &txid, const CCoins &coins) { return false; }
-bool CCoinsView::HaveCoins(const uint256 &txid) { return false; }
-uint256 CCoinsView::GetBestBlock() { return uint256(0); }
-bool CCoinsView::SetBestBlock(const uint256 &hashBlock) { return false; }
-bool CCoinsView::BatchWrite(const std::map<uint256, CCoins> &mapCoins, const uint256 &hashBlock) { return false; }
-bool CCoinsView::GetStats(CCoinsStats &stats) { return false; }
-
-
-CCoinsViewBacked::CCoinsViewBacked(CCoinsView &viewIn) : base(&viewIn) { }
-bool CCoinsViewBacked::GetCoins(const uint256 &txid, CCoins &coins) { return base->GetCoins(txid, coins); }
-bool CCoinsViewBacked::SetCoins(const uint256 &txid, const CCoins &coins) { return base->SetCoins(txid, coins); }
-bool CCoinsViewBacked::HaveCoins(const uint256 &txid) { return base->HaveCoins(txid); }
-uint256 CCoinsViewBacked::GetBestBlock() { return base->GetBestBlock(); }
-bool CCoinsViewBacked::SetBestBlock(const uint256 &hashBlock) { return base->SetBestBlock(hashBlock); }
-void CCoinsViewBacked::SetBackend(CCoinsView &viewIn) { base = &viewIn; }
-bool CCoinsViewBacked::BatchWrite(const std::map<uint256, CCoins> &mapCoins, const uint256 &hashBlock) { return base->BatchWrite(mapCoins, hashBlock); }
-bool CCoinsViewBacked::GetStats(CCoinsStats &stats) { return base->GetStats(stats); }
-
-CCoinsViewCache::CCoinsViewCache(CCoinsView &baseIn, bool fDummy) : CCoinsViewBacked(baseIn), hashBlock(0) { }
-
-bool CCoinsViewCache::GetCoins(const uint256 &txid, CCoins &coins) {
- if (cacheCoins.count(txid)) {
- coins = cacheCoins[txid];
- return true;
- }
- if (base->GetCoins(txid, coins)) {
- cacheCoins[txid] = coins;
- return true;
- }
- return false;
-}
-
-std::map<uint256,CCoins>::iterator CCoinsViewCache::FetchCoins(const uint256 &txid) {
- std::map<uint256,CCoins>::iterator it = cacheCoins.lower_bound(txid);
- if (it != cacheCoins.end() && it->first == txid)
- return it;
- CCoins tmp;
- if (!base->GetCoins(txid,tmp))
- return cacheCoins.end();
- std::map<uint256,CCoins>::iterator ret = cacheCoins.insert(it, std::make_pair(txid, CCoins()));
- tmp.swap(ret->second);
- return ret;
-}
-
-CCoins &CCoinsViewCache::GetCoins(const uint256 &txid) {
- std::map<uint256,CCoins>::iterator it = FetchCoins(txid);
- assert(it != cacheCoins.end());
- return it->second;
-}
-
-bool CCoinsViewCache::SetCoins(const uint256 &txid, const CCoins &coins) {
- cacheCoins[txid] = coins;
- return true;
-}
-
-bool CCoinsViewCache::HaveCoins(const uint256 &txid) {
- return FetchCoins(txid) != cacheCoins.end();
-}
-
-uint256 CCoinsViewCache::GetBestBlock() {
- if (hashBlock == uint256(0))
- hashBlock = base->GetBestBlock();
- return hashBlock;
-}
-
-bool CCoinsViewCache::SetBestBlock(const uint256 &hashBlockIn) {
- hashBlock = hashBlockIn;
- return true;
-}
-
-bool CCoinsViewCache::BatchWrite(const std::map<uint256, CCoins> &mapCoins, const uint256 &hashBlockIn) {
- for (std::map<uint256, CCoins>::const_iterator it = mapCoins.begin(); it != mapCoins.end(); it++)
- cacheCoins[it->first] = it->second;
- hashBlock = hashBlockIn;
- return true;
-}
-
-bool CCoinsViewCache::Flush() {
- bool fOk = base->BatchWrite(cacheCoins, hashBlock);
- if (fOk)
- cacheCoins.clear();
- return fOk;
-}
-
-unsigned int CCoinsViewCache::GetCacheSize() {
- return cacheCoins.size();
-}
-
-/** Helper; lookup from tip (used calling mempool.check()
- NOTE: code calling this MUST hold the cs_main lock so
- another thread doesn't modify pcoinsTip. When we switch
- to C++11 this should be replaced by lambda expressions...
- **/
-static CCoins &LookupFromTip(const uint256& hash) {
- return pcoinsTip->GetCoins(hash);
-}
-
-/** CCoinsView that brings transactions from a memorypool into view.
- It does not check for spendings by memory pool transactions. */
-CCoinsViewMemPool::CCoinsViewMemPool(CCoinsView &baseIn, CTxMemPool &mempoolIn) : CCoinsViewBacked(baseIn), mempool(mempoolIn) { }
-
-bool CCoinsViewMemPool::GetCoins(const uint256 &txid, CCoins &coins) {
- if (base->GetCoins(txid, coins))
- return true;
- CTransaction tx;
- if (mempool.lookup(txid, tx)) {
- coins = CCoins(tx, MEMPOOL_HEIGHT);
- return true;
- }
- return false;
-}
-
-bool CCoinsViewMemPool::HaveCoins(const uint256 &txid) {
- return mempool.exists(txid) || base->HaveCoins(txid);
-}
-
CCoinsViewCache *pcoinsTip = NULL;
CBlockTreeDB *pblocktree = NULL;
@@ -1416,25 +1294,6 @@ void UpdateTime(CBlockHeader& block, const CBlockIndex* pindexPrev)
-const CTxOut &CCoinsViewCache::GetOutputFor(const CTxIn& input)
-{
- const CCoins &coins = GetCoins(input.prevout.hash);
- assert(coins.IsAvailable(input.prevout.n));
- return coins.vout[input.prevout.n];
-}
-
-int64_t CCoinsViewCache::GetValueIn(const CTransaction& tx)
-{
- if (tx.IsCoinBase())
- return 0;
-
- int64_t nResult = 0;
- for (unsigned int i = 0; i < tx.vin.size(); i++)
- nResult += GetOutputFor(tx.vin[i]).nValue;
-
- return nResult;
-}
-
void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCache &inputs, CTxUndo &txundo, int nHeight, const uint256 &txhash)
{
// mark inputs spent
@@ -1451,27 +1310,6 @@ void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCach
assert(inputs.SetCoins(txhash, CCoins(tx, nHeight)));
}
-bool CCoinsViewCache::HaveInputs(const CTransaction& tx)
-{
- if (!tx.IsCoinBase()) {
- // first check whether information about the prevout hash is available
- for (unsigned int i = 0; i < tx.vin.size(); i++) {
- const COutPoint &prevout = tx.vin[i].prevout;
- if (!HaveCoins(prevout.hash))
- return false;
- }
-
- // then check whether the actual outputs are available
- for (unsigned int i = 0; i < tx.vin.size(); i++) {
- const COutPoint &prevout = tx.vin[i].prevout;
- const CCoins &coins = GetCoins(prevout.hash);
- if (!coins.IsAvailable(prevout.n))
- return false;
- }
- }
- return true;
-}
-
bool CScriptCheck::operator()() const {
const CScript &scriptSig = ptxTo->vin[nIn].scriptSig;
if (!VerifyScript(scriptSig, scriptPubKey, *ptxTo, nIn, nFlags, nHashType))
@@ -1841,7 +1679,7 @@ bool ConnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex, C
bool SetBestChain(CValidationState &state, CBlockIndex* pindexNew)
{
- mempool.check(&LookupFromTip);
+ mempool.check(pcoinsTip);
// All modifications to the coin state will be done in this cache.
// Only when all have succeeded, we push it to pcoinsTip.
@@ -1966,7 +1804,7 @@ bool SetBestChain(CValidationState &state, CBlockIndex* pindexNew)
mempool.removeConflicts(tx);
}
- mempool.check(&LookupFromTip);
+ mempool.check(pcoinsTip);
// Update best block in wallet (so we can detect restored wallets)
if ((pindexNew->nHeight % 20160) == 0 || (!fIsInitialDownload && (pindexNew->nHeight % 144) == 0))
@@ -3540,7 +3378,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
CValidationState state;
if (AcceptToMemoryPool(mempool, state, tx, true, &fMissingInputs))
{
- mempool.check(&LookupFromTip);
+ mempool.check(pcoinsTip);
RelayTransaction(tx, inv.hash);
mapAlreadyAskedFor.erase(inv);
vWorkQueue.push_back(inv.hash);
@@ -3576,7 +3414,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
vEraseQueue.push_back(orphanHash);
LogPrint("mempool", " removed orphan tx %s\n", orphanHash.ToString().c_str());
}
- mempool.check(&LookupFromTip);
+ mempool.check(pcoinsTip);
}
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-01 17:29:42 +0000