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Clarify CCoinsViewMemPool documentation.

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Thanks to @sdaftuar for correcting my misunderstanding.
This commit is contained in:
Matt Corallo 2017-06-27 14:46:19 -04:00
parent acb11535cb
commit 381b8fc365
2 changed files with 8 additions and 1 deletions
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2
src/rpc/blockchain.cpp
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@ -991,7 +991,7 @@ UniValue gettxout(const JSONRPCRequest& request)
if (fMempool) {
LOCK(mempool.cs);
CCoinsViewMemPool view(pcoinsTip, mempool);
if (!view.GetCoin(out, coin) || mempool.isSpent(out)) { // TODO: filtering spent coins should be done by the CCoinsViewMemPool
if (!view.GetCoin(out, coin) || mempool.isSpent(out)) {
return NullUniValue;
}
} else {

7
src/txmempool.h
View File

@ -676,6 +676,13 @@ private:
/**
* CCoinsView that brings transactions from a memorypool into view.
* It does not check for spendings by memory pool transactions.
* Instead, it provides access to all Coins which are either unspent in the
* base CCoinsView, or are outputs from any mempool transaction!
* This allows transaction replacement to work as expected, as you want to
* have all inputs "available" to check signatures, and any cycles in the
* dependency graph are checked directly in AcceptToMemoryPool.
* It also allows you to sign a double-spend directly in signrawtransaction,
* as long as the conflicting transaction is not yet confirmed.
*/
class CCoinsViewMemPool : public CCoinsViewBacked
{