typedef std::map<uint256, CCoins> to CCoinsMap

This makes it possible to switch to a more efficient map type
without changing all occurences manually.

Merges half of #4413.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/txdb.cpp b/src/txdb.cpp
index 92137f71ff..52cd96283e 100644
--- a/src/txdb.cpp
+++ b/src/txdb.cpp
@@ -54,11 +54,11 @@ bool CCoinsViewDB::SetBestBlock(const uint256 &hashBlock) {
     return db.WriteBatch(batch);
 }
 
-bool CCoinsViewDB::BatchWrite(const std::map<uint256, CCoins> &mapCoins, const uint256 &hashBlock) {
+bool CCoinsViewDB::BatchWrite(const CCoinsMap &mapCoins, const uint256 &hashBlock) {
     LogPrint("coindb", "Committing %u changed transactions to coin database...\n", (unsigned int)mapCoins.size());
 
     CLevelDBBatch batch;
-    for (std::map<uint256, CCoins>::const_iterator it = mapCoins.begin(); it != mapCoins.end(); it++)
+    for (CCoinsMap::const_iterator it = mapCoins.begin(); it != mapCoins.end(); it++)
         BatchWriteCoins(batch, it->first, it->second);
     if (hashBlock != uint256(0))
         BatchWriteHashBestChain(batch, hashBlock);