Changeset View
Changeset View
Standalone View
Standalone View
src/wallet/rpcwallet.cpp
| Show First 20 Lines • Show All 2,322 Lines • ▼ Show 20 Lines | RPCHelpMan{ | ||||
| HelpExampleCli("walletpassphrase", "\"my pass phrase\" 60") + | HelpExampleCli("walletpassphrase", "\"my pass phrase\" 60") + | ||||
| "\nLock the wallet again (before 60 seconds)\n" + | "\nLock the wallet again (before 60 seconds)\n" + | ||||
| HelpExampleCli("walletlock", "") + "\nAs a JSON-RPC call\n" + | HelpExampleCli("walletlock", "") + "\nAs a JSON-RPC call\n" + | ||||
| HelpExampleRpc("walletpassphrase", "\"my pass phrase\", 60")}, | HelpExampleRpc("walletpassphrase", "\"my pass phrase\", 60")}, | ||||
| } | } | ||||
| .Check(request); | .Check(request); | ||||
| int64_t nSleepTime; | int64_t nSleepTime; | ||||
| int64_t relock_time; | |||||
| // Prevent concurrent calls to walletpassphrase with the same wallet. | |||||
| LOCK(pwallet->m_unlock_mutex); | |||||
| { | { | ||||
| LOCK(pwallet->cs_wallet); | LOCK(pwallet->cs_wallet); | ||||
| if (!pwallet->IsCrypted()) { | if (!pwallet->IsCrypted()) { | ||||
| throw JSONRPCError(RPC_WALLET_WRONG_ENC_STATE, | throw JSONRPCError(RPC_WALLET_WRONG_ENC_STATE, | ||||
| "Error: running with an unencrypted wallet, but " | "Error: running with an unencrypted wallet, but " | ||||
| "walletpassphrase was called."); | "walletpassphrase was called."); | ||||
| } | } | ||||
| Show All 31 Lines | LOCK(pwallet->m_unlock_mutex); | ||||
| throw JSONRPCError( | throw JSONRPCError( | ||||
| RPC_WALLET_PASSPHRASE_INCORRECT, | RPC_WALLET_PASSPHRASE_INCORRECT, | ||||
| "Error: The wallet passphrase entered was incorrect."); | "Error: The wallet passphrase entered was incorrect."); | ||||
| } | } | ||||
| pwallet->TopUpKeyPool(); | pwallet->TopUpKeyPool(); | ||||
| pwallet->nRelockTime = GetTime() + nSleepTime; | pwallet->nRelockTime = GetTime() + nSleepTime; | ||||
| relock_time = pwallet->nRelockTime; | |||||
| } | } | ||||
| // rpcRunLater must be called without cs_wallet held otherwise a deadlock | // rpcRunLater must be called without cs_wallet held otherwise a deadlock | ||||
| // can occur. The deadlock would happen when RPCRunLater removes the | // can occur. The deadlock would happen when RPCRunLater removes the | ||||
| // previous timer (and waits for the callback to finish if already running) | // previous timer (and waits for the callback to finish if already running) | ||||
| // and the callback locks cs_wallet. | // and the callback locks cs_wallet. | ||||
| AssertLockNotHeld(wallet->cs_wallet); | AssertLockNotHeld(wallet->cs_wallet); | ||||
| // Keep a weak pointer to the wallet so that it is possible to unload the | // 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 | // wallet before the following callback is called. If a valid shared pointer | ||||
| // is acquired in the callback then the wallet is still loaded. | // is acquired in the callback then the wallet is still loaded. | ||||
| std::weak_ptr<CWallet> weak_wallet = wallet; | std::weak_ptr<CWallet> weak_wallet = wallet; | ||||
| pwallet->chain().rpcRunLater( | pwallet->chain().rpcRunLater( | ||||
| strprintf("lockwallet(%s)", pwallet->GetName()), | strprintf("lockwallet(%s)", pwallet->GetName()), | ||||
| [weak_wallet] { | [weak_wallet, relock_time] { | ||||
| if (auto shared_wallet = weak_wallet.lock()) { | if (auto shared_wallet = weak_wallet.lock()) { | ||||
| LOCK(shared_wallet->cs_wallet); | LOCK(shared_wallet->cs_wallet); | ||||
| // Skip if this is not the most recent rpcRunLater callback. | |||||
| if (shared_wallet->nRelockTime != relock_time) { | |||||
| return; | |||||
| } | |||||
| shared_wallet->Lock(); | shared_wallet->Lock(); | ||||
| shared_wallet->nRelockTime = 0; | shared_wallet->nRelockTime = 0; | ||||
| } | } | ||||
| }, | }, | ||||
| nSleepTime); | nSleepTime); | ||||
| return NullUniValue; | return NullUniValue; | ||||
| } | } | ||||
| ▲ Show 20 Lines • Show All 2,685 Lines • Show Last 20 Lines | |||||