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Merge bitcoin/bitcoin#23644: wallet: Replace confusing getAdjustedTime() with GetTime()

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fa37e798b2 wallet: Replace confusing getAdjustedTime() with GetTime() (MarcoFalke)

Pull request description:

  Setting `nTimeReceived` to the adjusted time has several issues:

  * `m_best_block_time` is set to the "unadjusted" time, thus a comparison of the two times is like comparing apples to oranges. In the worst case this opens up an attack vector where remote peers can force a premature re-broadcast of wallet txs.
  * The RPC documentation for `"timereceived"` doesn't mention that the network adjusted time is used, possibly confusing users when the time reported by RPC is off by a few seconds compared to their local timestamp.

  Fix all issues by replacing the call with `GetTime()`. Also a style fix: Use non-narrowing integer conversion in the RPC method.

ACKs for top commit:
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    Code-review ACK fa37e798b2
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Tree-SHA512: 8d020ba400521246b7aed4b6c41319fc70552e8c69e929a5994500375466a9edac02a0ae64b803dbc6695df22276489561a23bd6e030c44c97d288f7b9b2b3fa
This commit is contained in:
MarcoFalke
2021-12-07 09:01:59 +01:00
parent 08dcc5912d fa37e798b2
commit 42b25025fa
4 changed files with 2 additions and 7 deletions
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3
src/wallet/wallet.cpp
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@ -915,7 +915,7 @@ CWalletTx* CWallet::AddToWallet(CTransactionRef tx, const TxState& state, const
bool fInsertedNew = ret.second;
bool fUpdated = update_wtx && update_wtx(wtx, fInsertedNew);
if (fInsertedNew) {
wtx.nTimeReceived = chain().getAdjustedTime();
wtx.nTimeReceived = GetTime();
wtx.nOrderPos = IncOrderPosNext(&batch);
wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, &wtx));
wtx.nTimeSmart = ComputeTimeSmart(wtx, rescanning_old_block);
@ -1303,7 +1303,6 @@ void CWallet::updatedBlockTip()
m_best_block_time = GetTime();
}
void CWallet::BlockUntilSyncedToCurrentChain() const {
AssertLockNotHeld(cs_wallet);
// Skip the queue-draining stuff if we know we're caught up with