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Merge #14880: 0.17: Backport #14453

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dcb032dcdf qa: Ensure wallet unload during walletpassphrase timeout (João Barbosa)
75b5d8c4ea rpc: Fix wallet unload during walletpassphrase timeout (João Barbosa)

Pull request description:

  Backport #14453 to 0.17

Tree-SHA512: fce0adccbb07b6635bb773a71beb4a9b814bceb77bbe7bbc5bcb7d151aabb1148c791622f58c990afe202012ca1971cd466cb536fc6f37e22cdc58738720b593
This commit is contained in:
MarcoFalke
2018-12-06 13:07:21 -05:00
parent 8b8b3a9a5f dcb032dcdf
commit abae8aeff1
2 changed files with 21 additions and 8 deletions
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20
src/wallet/rpcwallet.cpp
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@@ -2546,13 +2546,6 @@ static UniValue keypoolrefill(const JSONRPCRequest& request)
}
static void LockWallet(CWallet* pWallet)
{
LOCK(pWallet->cs_wallet);
pWallet->nRelockTime = 0;
pWallet->Lock();
}
static UniValue walletpassphrase(const JSONRPCRequest& request)
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
@@ -2622,7 +2615,18 @@ static UniValue walletpassphrase(const JSONRPCRequest& request)
pwallet->TopUpKeyPool();
pwallet->nRelockTime = GetTime() + nSleepTime;
RPCRunLater(strprintf("lockwallet(%s)", pwallet->GetName()), std::bind(LockWallet, pwallet), nSleepTime);
// Keep a weak pointer to the wallet so that it is possible to unload the
// wallet before the following callback is called. If a valid shared pointer
// is acquired in the callback then the wallet is still loaded.
std::weak_ptr<CWallet> weak_wallet = wallet;
RPCRunLater(strprintf("lockwallet(%s)", pwallet->GetName()), [weak_wallet] {
if (auto shared_wallet = weak_wallet.lock()) {
LOCK(shared_wallet->cs_wallet);
shared_wallet->Lock();
shared_wallet->nRelockTime = 0;
}
}, nSleepTime);
return NullUniValue;
}