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| author | Pieter Wuille <pieter.wuille@gmail.com> | 2017-04-25 11:29:39 -0700 |
|---|---|---|
| committer | Pieter Wuille <pieter.wuille@gmail.com> | 2017-06-01 12:59:38 -0700 |
| commit | 50830796889ecaa458871f1db878c255dd2554cb (patch) | |
| tree | 32f3b55294a28d5328821b334a6b31be40d024d9 /src/net_processing.cpp | |
| parent | 4ec0d9e794e3f338e1ebb8b644ae890d2c2da2ee (diff) | |
Switch CCoinsView and chainstate db from per-txid to per-txout
This patch makes several related changes:
* Changes the CCoinsView virtual methods (GetCoins, HaveCoins, ...)
to be COutPoint/Coin-based rather than txid/CCoins-based.
* Changes the chainstate db to a new incompatible format that is also
COutPoint/Coin based.
* Implements reconstruction code for hash_serialized_2.
* Adapts the coins_tests unit tests (thanks to Russell Yanofsky).
A side effect of the new CCoinsView model is that we can no longer
use the (unreliable) test for transaction outputs in the UTXO set
to determine whether we already have a particular transaction.
Diffstat (limited to 'src/net_processing.cpp')
| -rw-r--r-- | src/net_processing.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/src/net_processing.cpp b/src/net_processing.cpp index 3102c2ef9a..1c99d047ed 100644 --- a/src/net_processing.cpp +++ b/src/net_processing.cpp @@ -911,12 +911,11 @@ bool static AlreadyHave(const CInv& inv) EXCLUSIVE_LOCKS_REQUIRED(cs_main) recentRejects->reset(); } - // Use pcoinsTip->HaveCoinsInCache as a quick approximation to exclude - // requesting or processing some txs which have already been included in a block return recentRejects->contains(inv.hash) || mempool.exists(inv.hash) || mapOrphanTransactions.count(inv.hash) || - pcoinsTip->HaveCoinsInCache(inv.hash); + pcoinsTip->HaveCoinsInCache(COutPoint(inv.hash, 0)) || // Best effort: only try output 0 and 1 + pcoinsTip->HaveCoinsInCache(COutPoint(inv.hash, 1)); } case MSG_BLOCK: case MSG_WITNESS_BLOCK: |