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| -rw-r--r-- | src/walletdb.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/walletdb.cpp b/src/walletdb.cpp index f7edd08458..d31db5e425 100644 --- a/src/walletdb.cpp +++ b/src/walletdb.cpp @@ -317,6 +317,12 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue, ssValue >> wkey; pkey = wkey.vchPrivKey; } + + // Old wallets store keys as "key" [pubkey] => [privkey] + // ... which was slow for wallets with lots of keys, because the public key is re-derived from the private key + // using EC operations as a checksum. + // Newer wallets store keys as "key"[pubkey] => [privkey][hash(pubkey,privkey)], which is much faster while + // remaining backwards-compatible. try { ssValue >> hash; |