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refactor/fix: use the shared_ptr<CWallet> where possible instead of getting the underlying pointer (#5052)

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* refactor/fix: use the shared_ptr<CWallet> where possible instead of getting the underlying pointer

This is also a fix in regards to the rpcevo.cpp file where the old code could result in a dangling pointer that could result in a crash as the shared_ptr we get back is discarded while the underlying ptr is still being used

* refactor: remove unneeded line

Co-authored-by: UdjinM6 <UdjinM6@users.noreply.github.com>

Co-authored-by: UdjinM6 <UdjinM6@users.noreply.github.com>
This commit is contained in:
PastaPastaPasta 2022-10-19 13:42:40 -05:00 committed by GitHub
parent f4bb06985f
commit ad660554aa
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 51 additions and 72 deletions
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16
src/rpc/coinjoin.cpp
View File

@ -34,7 +34,6 @@ static UniValue coinjoin(const JSONRPCRequest& request)
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
CWallet* const pwallet = wallet.get();
if (fMasternodeMode)
throw JSONRPCError(RPC_INTERNAL_ERROR, "Client-side mixing is not supported on masternodes");
@ -50,12 +49,12 @@ static UniValue coinjoin(const JSONRPCRequest& request)
}
}
auto it = coinJoinClientManagers.find(pwallet->GetName());
auto it = coinJoinClientManagers.find(wallet->GetName());
if (request.params[0].get_str() == "start") {
{
LOCK(pwallet->cs_wallet);
if (pwallet->IsLocked(true))
LOCK(wallet->cs_wallet);
if (wallet->IsLocked(true))
throw JSONRPCError(RPC_WALLET_UNLOCK_NEEDED, "Error: Please unlock wallet for mixing with walletpassphrase first.");
}
@ -156,15 +155,14 @@ static UniValue getcoinjoininfo(const JSONRPCRequest& request)
obj.pushKV("queue_size", coinJoinClientQueueManager->GetQueueSize());
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
CWallet* const pwallet = wallet.get();
if (!pwallet) {
if (!wallet) {
return obj;
}
coinJoinClientManagers.at(pwallet->GetName())->GetJsonInfo(obj);
coinJoinClientManagers.at(wallet->GetName())->GetJsonInfo(obj);
obj.pushKV("keys_left", pwallet->nKeysLeftSinceAutoBackup);
obj.pushKV("warnings", pwallet->nKeysLeftSinceAutoBackup < COINJOIN_KEYS_THRESHOLD_WARNING
obj.pushKV("keys_left", wallet->nKeysLeftSinceAutoBackup);
obj.pushKV("warnings", wallet->nKeysLeftSinceAutoBackup < COINJOIN_KEYS_THRESHOLD_WARNING
? "WARNING: keypool is almost depleted!" : "");
#endif // ENABLE_WALLET

29
src/rpc/governance.cpp
View File

@ -149,11 +149,10 @@ static UniValue gobject_prepare(const JSONRPCRequest& request)
{
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
CWallet* const pwallet = wallet.get();
gobject_prepare_help(request);
EnsureWalletIsUnlocked(pwallet);
EnsureWalletIsUnlocked(wallet.get());
// ASSEMBLE NEW GOVERNANCE OBJECT FROM USER PARAMETERS
@ -200,7 +199,7 @@ static UniValue gobject_prepare(const JSONRPCRequest& request)
g_txindex->BlockUntilSyncedToCurrentChain();
}
LOCK(pwallet->cs_wallet);
LOCK(wallet->cs_wallet);
{
LOCK(cs_main);
@ -225,7 +224,7 @@ static UniValue gobject_prepare(const JSONRPCRequest& request)
bool fork_active = WITH_LOCK(cs_main, return VersionBitsTipState(Params().GetConsensus(), Consensus::DEPLOYMENT_DIP0024) == ThresholdState::ACTIVE);
if (!pwallet->GetBudgetSystemCollateralTX(tx, govobj.GetHash(), govobj.GetMinCollateralFee(fork_active), outpoint)) {
if (!wallet->GetBudgetSystemCollateralTX(tx, govobj.GetHash(), govobj.GetMinCollateralFee(fork_active), outpoint)) {
std::string err = "Error making collateral transaction for governance object. Please check your wallet balance and make sure your wallet is unlocked.";
if (!request.params[5].isNull() && !request.params[6].isNull()) {
err += "Please verify your specified output is valid and is enough for the combined proposal fee and transaction fee.";
@ -233,14 +232,14 @@ static UniValue gobject_prepare(const JSONRPCRequest& request)
throw JSONRPCError(RPC_INTERNAL_ERROR, err);
}
if (!pwallet->WriteGovernanceObject({hashParent, nRevision, nTime, tx->GetHash(), strDataHex})) {
if (!wallet->WriteGovernanceObject({hashParent, nRevision, nTime, tx->GetHash(), strDataHex})) {
throw JSONRPCError(RPC_INTERNAL_ERROR, "WriteGovernanceObject failed");
}
// -- send the tx to the network
{
LOCK(cs_main);
pwallet->CommitTransaction(tx, {}, {});
wallet->CommitTransaction(tx, {}, {});
}
LogPrint(BCLog::GOBJECT, "gobject_prepare -- GetDataAsPlainString = %s, hash = %s, txid = %s\n",
@ -268,17 +267,15 @@ static UniValue gobject_list_prepared(const JSONRPCRequest& request)
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
CWallet* const pwallet = wallet.get();
EnsureWalletIsUnlocked(pwallet);
EnsureWalletIsUnlocked(wallet.get());
int64_t nCount = request.params.empty() ? 10 : ParseInt64V(request.params[0], "count");
if (nCount < 0) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Negative count");
}
// Get a list of all prepared governance objects stored in the wallet
LOCK(pwallet->cs_wallet);
std::vector<const CGovernanceObject*> vecObjects = pwallet->GetGovernanceObjects();
LOCK(wallet->cs_wallet);
std::vector<const CGovernanceObject*> vecObjects = wallet->GetGovernanceObjects();
// Sort the vector by the object creation time/hex data
std::sort(vecObjects.begin(), vecObjects.end(), [](const CGovernanceObject* a, const CGovernanceObject* b) {
bool fGreater = a->GetCreationTime() > b->GetCreationTime();
@ -608,7 +605,6 @@ static UniValue gobject_vote_many(const JSONRPCRequest& request)
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
CWallet* const pwallet = wallet.get();
uint256 hash = ParseHashV(request.params[0], "Object hash");
std::string strVoteSignal = request.params[1].get_str();
@ -626,9 +622,9 @@ static UniValue gobject_vote_many(const JSONRPCRequest& request)
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid vote outcome. Please use one of the following: 'yes', 'no' or 'abstain'");
}
EnsureWalletIsUnlocked(pwallet);
EnsureWalletIsUnlocked(wallet.get());
LegacyScriptPubKeyMan* spk_man = pwallet->GetLegacyScriptPubKeyMan();
LegacyScriptPubKeyMan* spk_man = wallet->GetLegacyScriptPubKeyMan();
if (!spk_man) {
throw JSONRPCError(RPC_WALLET_ERROR, "This type of wallet does not support this command");
}
@ -668,7 +664,6 @@ static UniValue gobject_vote_alias(const JSONRPCRequest& request)
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
CWallet* const pwallet = wallet.get();
uint256 hash = ParseHashV(request.params[0], "Object hash");
std::string strVoteSignal = request.params[1].get_str();
@ -686,7 +681,7 @@ static UniValue gobject_vote_alias(const JSONRPCRequest& request)
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid vote outcome. Please use one of the following: 'yes', 'no' or 'abstain'");
}
EnsureWalletIsUnlocked(pwallet);
EnsureWalletIsUnlocked(wallet.get());
uint256 proTxHash = ParseHashV(request.params[3], "protx-hash");
auto dmn = deterministicMNManager->GetListAtChainTip().GetValidMN(proTxHash);
@ -694,7 +689,7 @@ static UniValue gobject_vote_alias(const JSONRPCRequest& request)
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid or unknown proTxHash");
}
LegacyScriptPubKeyMan* spk_man = pwallet->GetLegacyScriptPubKeyMan();
LegacyScriptPubKeyMan* spk_man = wallet->GetLegacyScriptPubKeyMan();
if (!spk_man) {
throw JSONRPCError(RPC_WALLET_ERROR, "This type of wallet does not support this command");
}

5
src/rpc/masternode.cpp
View File

@ -196,15 +196,14 @@ static UniValue masternode_outputs(const JSONRPCRequest& request)
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
CWallet* const pwallet = wallet.get();
// Find possible candidates
std::vector<COutput> vPossibleCoins;
CCoinControl coin_control;
coin_control.nCoinType = CoinType::ONLY_MASTERNODE_COLLATERAL;
{
LOCK(pwallet->cs_wallet);
pwallet->AvailableCoins(vPossibleCoins, true, &coin_control);
LOCK(wallet->cs_wallet);
wallet->AvailableCoins(vPossibleCoins, true, &coin_control);
}
UniValue outputsArr(UniValue::VARR);
for (const auto& out : vPossibleCoins) {

73
src/rpc/rpcevo.cpp
View File

@ -194,7 +194,7 @@ static void FundSpecialTx(CWallet* pwallet, CMutableTransaction& tx, const Speci
ds << payload;
tx.vExtraPayload.assign(ds.begin(), ds.end());
static CTxOut dummyTxOut(0, CScript() << OP_RETURN);
static const CTxOut dummyTxOut(0, CScript() << OP_RETURN);
std::vector<CRecipient> vecSend;
bool dummyTxOutAdded = false;
@ -446,10 +446,9 @@ static UniValue protx_register(const JSONRPCRequest& request)
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
CWallet* const pwallet = wallet.get();
if (isExternalRegister || isFundRegister) {
EnsureWalletIsUnlocked(pwallet);
EnsureWalletIsUnlocked(wallet.get());
}
size_t paramIdx = 0;
@ -485,8 +484,8 @@ static UniValue protx_register(const JSONRPCRequest& request)
paramIdx += 2;
// TODO unlock on failure
LOCK(pwallet->cs_wallet);
pwallet->LockCoin(ptx.collateralOutpoint);
LOCK(wallet->cs_wallet);
wallet->LockCoin(ptx.collateralOutpoint);
}
if (request.params[paramIdx].get_str() != "") {
@ -533,7 +532,7 @@ static UniValue protx_register(const JSONRPCRequest& request)
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, std::string("Invalid Dash address: ") + request.params[paramIdx + 6].get_str());
}
FundSpecialTx(pwallet, tx, ptx, fundDest);
FundSpecialTx(wallet.get(), tx, ptx, fundDest);
UpdateSpecialTxInputsHash(tx, ptx);
bool fSubmit{true};
@ -580,7 +579,7 @@ static UniValue protx_register(const JSONRPCRequest& request)
return ret;
} else {
// lets prove we own the collateral
LegacyScriptPubKeyMan* spk_man = pwallet->GetLegacyScriptPubKeyMan();
LegacyScriptPubKeyMan* spk_man = wallet->GetLegacyScriptPubKeyMan();
if (!spk_man) {
throw JSONRPCError(RPC_WALLET_ERROR, "This type of wallet does not support this command");
}
@ -602,9 +601,8 @@ static UniValue protx_register_submit(const JSONRPCRequest& request)
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
CWallet* const pwallet = wallet.get();
EnsureWalletIsUnlocked(pwallet);
EnsureWalletIsUnlocked(wallet.get());
CMutableTransaction tx;
if (!DecodeHexTx(tx, request.params[0].get_str())) {
@ -656,9 +654,8 @@ static UniValue protx_update_service(const JSONRPCRequest& request)
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
CWallet* const pwallet = wallet.get();
EnsureWalletIsUnlocked(pwallet);
EnsureWalletIsUnlocked(wallet.get());
CProUpServTx ptx;
ptx.nVersion = CProUpServTx::CURRENT_VERSION;
@ -715,7 +712,7 @@ static UniValue protx_update_service(const JSONRPCRequest& request)
}
}
FundSpecialTx(pwallet, tx, ptx, feeSource);
FundSpecialTx(wallet.get(), tx, ptx, feeSource);
SignSpecialTxPayloadByHash(tx, ptx, keyOperator);
SetTxPayload(tx, ptx);
@ -752,9 +749,8 @@ static UniValue protx_update_registrar(const JSONRPCRequest& request)
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
CWallet* const pwallet = wallet.get();
EnsureWalletIsUnlocked(pwallet);
EnsureWalletIsUnlocked(wallet.get());
CProUpRegTx ptx;
ptx.nVersion = CProUpRegTx::CURRENT_VERSION;
@ -785,7 +781,7 @@ static UniValue protx_update_registrar(const JSONRPCRequest& request)
ptx.scriptPayout = GetScriptForDestination(payoutDest);
}
LegacyScriptPubKeyMan* spk_man = pwallet->GetLegacyScriptPubKeyMan();
LegacyScriptPubKeyMan* spk_man = wallet->GetLegacyScriptPubKeyMan();
if (!spk_man) {
throw JSONRPCError(RPC_WALLET_ERROR, "This type of wallet does not support this command");
}
@ -809,7 +805,7 @@ static UniValue protx_update_registrar(const JSONRPCRequest& request)
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, std::string("Invalid Dash address: ") + request.params[4].get_str());
}
FundSpecialTx(pwallet, tx, ptx, feeSourceDest);
FundSpecialTx(wallet.get(), tx, ptx, feeSourceDest);
SignSpecialTxPayloadByHash(tx, ptx, keyOwner);
SetTxPayload(tx, ptx);
@ -845,9 +841,8 @@ static UniValue protx_revoke(const JSONRPCRequest& request)
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
if (!wallet) return NullUniValue;
CWallet* const pwallet = wallet.get();
EnsureWalletIsUnlocked(pwallet);
EnsureWalletIsUnlocked(wallet.get());
CProUpRevTx ptx;
ptx.nVersion = CProUpRevTx::CURRENT_VERSION;
@ -880,17 +875,17 @@ static UniValue protx_revoke(const JSONRPCRequest& request)
CTxDestination feeSourceDest = DecodeDestination(request.params[3].get_str());
if (!IsValidDestination(feeSourceDest))
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, std::string("Invalid Dash address: ") + request.params[3].get_str());
FundSpecialTx(pwallet, tx, ptx, feeSourceDest);
FundSpecialTx(wallet.get(), tx, ptx, feeSourceDest);
} else if (dmn->pdmnState->scriptOperatorPayout != CScript()) {
// Using funds from previousely specified operator payout address
CTxDestination txDest;
ExtractDestination(dmn->pdmnState->scriptOperatorPayout, txDest);
FundSpecialTx(pwallet, tx, ptx, txDest);
FundSpecialTx(wallet.get(), tx, ptx, txDest);
} else if (dmn->pdmnState->scriptPayout != CScript()) {
// Using funds from previousely specified masternode payout address
CTxDestination txDest;
ExtractDestination(dmn->pdmnState->scriptPayout, txDest);
FundSpecialTx(pwallet, tx, ptx, txDest);
FundSpecialTx(wallet.get(), tx, ptx, txDest);
} else {
throw JSONRPCError(RPC_INTERNAL_ERROR, "No payout or fee source addresses found, can't revoke");
}
@ -1002,16 +997,12 @@ static UniValue protx_list(const JSONRPCRequest& request)
{
protx_list_help(request);
CWallet* pwallet;
std::shared_ptr<CWallet> wallet{nullptr};
#ifdef ENABLE_WALLET
try {
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
pwallet = wallet.get();
wallet = GetWalletForJSONRPCRequest(request);
} catch (...) {
pwallet = nullptr;
}
#else
pwallet = nullptr;
#endif
std::string type = "registered";
@ -1026,11 +1017,11 @@ static UniValue protx_list(const JSONRPCRequest& request)
}
if (type == "wallet") {
if (!pwallet) {
if (!wallet) {
throw std::runtime_error("\"protx list wallet\" not supported when wallet is disabled");
}
#ifdef ENABLE_WALLET
LOCK2(pwallet->cs_wallet, cs_main);
LOCK2(wallet->cs_wallet, cs_main);
if (request.params.size() > 4) {
protx_list_help(request);
@ -1044,7 +1035,7 @@ static UniValue protx_list(const JSONRPCRequest& request)
}
std::vector<COutPoint> vOutpts;
pwallet->ListProTxCoins(vOutpts);
wallet->ListProTxCoins(vOutpts);
std::set<COutPoint> setOutpts;
for (const auto& outpt : vOutpts) {
setOutpts.emplace(outpt);
@ -1053,11 +1044,11 @@ static UniValue protx_list(const JSONRPCRequest& request)
CDeterministicMNList mnList = deterministicMNManager->GetListForBlock(::ChainActive()[height]);
mnList.ForEachMN(false, [&](const auto& dmn) {
if (setOutpts.count(dmn.collateralOutpoint) ||
CheckWalletOwnsKey(pwallet, dmn.pdmnState->keyIDOwner) ||
CheckWalletOwnsKey(pwallet, dmn.pdmnState->keyIDVoting) ||
CheckWalletOwnsScript(pwallet, dmn.pdmnState->scriptPayout) ||
CheckWalletOwnsScript(pwallet, dmn.pdmnState->scriptOperatorPayout)) {
ret.push_back(BuildDMNListEntry(pwallet, dmn, detailed));
CheckWalletOwnsKey(wallet.get(), dmn.pdmnState->keyIDOwner) ||
CheckWalletOwnsKey(wallet.get(), dmn.pdmnState->keyIDVoting) ||
CheckWalletOwnsScript(wallet.get(), dmn.pdmnState->scriptPayout) ||
CheckWalletOwnsScript(wallet.get(), dmn.pdmnState->scriptOperatorPayout)) {
ret.push_back(BuildDMNListEntry(wallet.get(), dmn, detailed));
}
});
#endif
@ -1078,7 +1069,7 @@ static UniValue protx_list(const JSONRPCRequest& request)
CDeterministicMNList mnList = deterministicMNManager->GetListForBlock(::ChainActive()[height]);
bool onlyValid = type == "valid";
mnList.ForEachMN(onlyValid, [&](const auto& dmn) {
ret.push_back(BuildDMNListEntry(pwallet, dmn, detailed));
ret.push_back(BuildDMNListEntry(wallet.get(), dmn, detailed));
});
} else {
throw JSONRPCError(RPC_INVALID_PARAMETER, "invalid type specified");
@ -1110,16 +1101,12 @@ static UniValue protx_info(const JSONRPCRequest& request)
{
protx_info_help(request);
CWallet* pwallet;
std::shared_ptr<CWallet> wallet{nullptr};
#ifdef ENABLE_WALLET
try {
std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
pwallet = wallet.get();
wallet = GetWalletForJSONRPCRequest(request);
} catch (...) {
pwallet = nullptr;
}
#else
pwallet = nullptr;
#endif
if (g_txindex) {
@ -1132,7 +1119,7 @@ static UniValue protx_info(const JSONRPCRequest& request)
if (!dmn) {
throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("%s not found", proTxHash.ToString()));
}
return BuildDMNListEntry(pwallet, *dmn, true);
return BuildDMNListEntry(wallet.get(), *dmn, true);
}
static void protx_diff_help(const JSONRPCRequest& request)