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Refactor: Require scriptPubKey to get wallet SigningProvider

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This commit does not change behavior. It passes new CScript arguments to
signing functions, but the arguments aren't currently used.
This commit is contained in:
Andrew Chow 2019-10-07 14:11:34 -04:00
parent 4b0c718f8f
commit d0dab897af
8 changed files with 127 additions and 51 deletions
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18
src/interfaces/wallet.cpp
View file

@ -117,8 +117,22 @@ public:
std::string error;
return m_wallet->GetNewDestination(type, label, dest, error);
}
bool getPubKey(const CKeyID& address, CPubKey& pub_key) override { return m_wallet->GetLegacyScriptPubKeyMan()->GetPubKey(address, pub_key); }
bool getPrivKey(const CKeyID& address, CKey& key) override { return m_wallet->GetLegacyScriptPubKeyMan()->GetKey(address, key); }
bool getPubKey(const CScript& script, const CKeyID& address, CPubKey& pub_key) override
{
const SigningProvider* provider = m_wallet->GetSigningProvider(script);
if (provider) {
return provider->GetPubKey(address, pub_key);
}
return false;
}
bool getPrivKey(const CScript& script, const CKeyID& address, CKey& key) override
{
const SigningProvider* provider = m_wallet->GetSigningProvider(script);
if (provider) {
return provider->GetKey(address, key);
}
return false;
}
bool isSpendable(const CTxDestination& dest) override { return m_wallet->IsMine(dest) & ISMINE_SPENDABLE; }
bool haveWatchOnly() override
{

4
src/interfaces/wallet.h
View file

@ -81,10 +81,10 @@ public:
virtual bool getNewDestination(const OutputType type, const std::string label, CTxDestination& dest) = 0;
//! Get public key.
virtual bool getPubKey(const CKeyID& address, CPubKey& pub_key) = 0;
virtual bool getPubKey(const CScript& script, const CKeyID& address, CPubKey& pub_key) = 0;
//! Get private key.
virtual bool getPrivKey(const CKeyID& address, CKey& key) = 0;
virtual bool getPrivKey(const CScript& script, const CKeyID& address, CKey& key) = 0;
//! Return whether wallet has private key.
virtual bool isSpendable(const CTxDestination& dest) = 0;

2
src/qt/coincontroldialog.cpp
View file

@ -468,7 +468,7 @@ void CoinControlDialog::updateLabels(WalletModel *model, QDialog* dialog)
{
CPubKey pubkey;
PKHash *pkhash = boost::get<PKHash>(&address);
if (pkhash && model->wallet().getPubKey(CKeyID(*pkhash), pubkey))
if (pkhash && model->wallet().getPubKey(out.txout.scriptPubKey, CKeyID(*pkhash), pubkey))
{
nBytesInputs += (pubkey.IsCompressed() ? 148 : 180);
}

2
src/qt/signverifymessagedialog.cpp
View file

@ -136,7 +136,7 @@ void SignVerifyMessageDialog::on_signMessageButton_SM_clicked()
}
CKey key;
if (!model->wallet().getPrivKey(CKeyID(*pkhash), key))
if (!model->wallet().getPrivKey(GetScriptForDestination(destination), CKeyID(*pkhash), key))
{
ui->statusLabel_SM->setStyleSheet("QLabel { color: red; }");
ui->statusLabel_SM->setText(tr("Private key for the entered address is not available."));

27
src/wallet/psbtwallet.cpp
View file

@ -39,12 +39,35 @@ TransactionError FillPSBT(const CWallet* pwallet, PartiallySignedTransaction& ps
return TransactionError::SIGHASH_MISMATCH;
}
complete &= SignPSBTInput(HidingSigningProvider(pwallet->GetSigningProvider(), !sign, !bip32derivs), psbtx, i, sighash_type);
// Get the scriptPubKey to know which SigningProvider to use
CScript script;
if (!input.witness_utxo.IsNull()) {
script = input.witness_utxo.scriptPubKey;
} else if (input.non_witness_utxo) {
script = input.non_witness_utxo->vout[txin.prevout.n].scriptPubKey;
} else {
// There's no UTXO so we can just skip this now
complete = false;
continue;
}
SignatureData sigdata;
input.FillSignatureData(sigdata);
const SigningProvider* provider = pwallet->GetSigningProvider(script, sigdata);
if (!provider) {
complete = false;
continue;
}
complete &= SignPSBTInput(HidingSigningProvider(provider, !sign, !bip32derivs), psbtx, i, sighash_type);
}
// Fill in the bip32 keypaths and redeemscripts for the outputs so that hardware wallets can identify change
for (unsigned int i = 0; i < psbtx.tx->vout.size(); ++i) {
UpdatePSBTOutput(HidingSigningProvider(pwallet->GetSigningProvider(), true, !bip32derivs), psbtx, i);
const CTxOut& out = psbtx.tx->vout.at(i);
const SigningProvider* provider = pwallet->GetSigningProvider(out.scriptPubKey);
if (provider) {
UpdatePSBTOutput(HidingSigningProvider(provider, true, !bip32derivs), psbtx, i);
}
}
return TransactionError::OK;

40
src/wallet/rpcwallet.cpp
View file

@ -550,7 +550,11 @@ static UniValue signmessage(const JSONRPCRequest& request)
throw JSONRPCError(RPC_TYPE_ERROR, "Address does not refer to key");
}
const SigningProvider* provider = pwallet->GetSigningProvider();
CScript script_pub_key = GetScriptForDestination(*pkhash);
const SigningProvider* provider = pwallet->GetSigningProvider(script_pub_key);
if (!provider) {
throw JSONRPCError(RPC_WALLET_ERROR, "Private key not available");
}
CKey key;
CKeyID keyID(*pkhash);
@ -2933,7 +2937,8 @@ static UniValue listunspent(const JSONRPCRequest& request)
entry.pushKV("label", i->second.name);
}
const SigningProvider* provider = pwallet->GetSigningProvider();
const SigningProvider* provider = pwallet->GetSigningProvider(scriptPubKey);
if (provider) {
if (scriptPubKey.IsPayToScriptHash()) {
const CScriptID& hash = CScriptID(boost::get<ScriptHash>(address));
CScript redeemScript;
@ -2964,6 +2969,7 @@ static UniValue listunspent(const JSONRPCRequest& request)
}
}
}
}
entry.pushKV("scriptPubKey", HexStr(scriptPubKey.begin(), scriptPubKey.end()));
entry.pushKV("amount", ValueFromAmount(out.tx->tx->vout[out.i].nValue));
@ -2971,9 +2977,12 @@ static UniValue listunspent(const JSONRPCRequest& request)
entry.pushKV("spendable", out.fSpendable);
entry.pushKV("solvable", out.fSolvable);
if (out.fSolvable) {
auto descriptor = InferDescriptor(scriptPubKey, *pwallet->GetLegacyScriptPubKeyMan());
const SigningProvider* provider = pwallet->GetSigningProvider(scriptPubKey);
if (provider) {
auto descriptor = InferDescriptor(scriptPubKey, *provider);
entry.pushKV("desc", descriptor->ToString());
}
}
if (avoid_reuse) entry.pushKV("reused", reused);
entry.pushKV("safe", out.fSafe);
results.push_back(entry);
@ -3281,8 +3290,22 @@ UniValue signrawtransactionwithwallet(const JSONRPCRequest& request)
// Parse the prevtxs array
ParsePrevouts(request.params[1], nullptr, coins);
std::set<const SigningProvider*> providers;
for (const std::pair<COutPoint, Coin> coin_pair : coins) {
const SigningProvider* provider = pwallet->GetSigningProvider(coin_pair.second.out.scriptPubKey);
if (provider) {
providers.insert(std::move(provider));
}
}
if (providers.size() == 0) {
// When there are no available providers, use DUMMY_SIGNING_PROVIDER so we can check if the tx is complete
providers.insert(&DUMMY_SIGNING_PROVIDER);
}
UniValue result(UniValue::VOBJ);
SignTransaction(mtx, &*pwallet->GetLegacyScriptPubKeyMan(), coins, request.params[2], result);
for (const SigningProvider* provider : providers) {
SignTransaction(mtx, provider, coins, request.params[2], result);
}
return result;
}
@ -3648,9 +3671,10 @@ static UniValue DescribeWalletAddress(CWallet* pwallet, const CTxDestination& de
{
UniValue ret(UniValue::VOBJ);
UniValue detail = DescribeAddress(dest);
CScript script = GetScriptForDestination(dest);
const SigningProvider* provider = nullptr;
if (pwallet) {
provider = pwallet->GetSigningProvider();
provider = pwallet->GetSigningProvider(script);
}
ret.pushKVs(detail);
ret.pushKVs(boost::apply_visitor(DescribeWalletAddressVisitor(provider), dest));
@ -3742,11 +3766,11 @@ UniValue getaddressinfo(const JSONRPCRequest& request)
CScript scriptPubKey = GetScriptForDestination(dest);
ret.pushKV("scriptPubKey", HexStr(scriptPubKey.begin(), scriptPubKey.end()));
const SigningProvider* provider = pwallet->GetSigningProvider();
const SigningProvider* provider = pwallet->GetSigningProvider(scriptPubKey);
isminetype mine = pwallet->IsMine(dest);
ret.pushKV("ismine", bool(mine & ISMINE_SPENDABLE));
bool solvable = IsSolvable(*provider, scriptPubKey);
bool solvable = provider && IsSolvable(*provider, scriptPubKey);
ret.pushKV("solvable", solvable);
if (solvable) {
ret.pushKV("desc", InferDescriptor(scriptPubKey, *provider)->ToString());
@ -3759,7 +3783,7 @@ UniValue getaddressinfo(const JSONRPCRequest& request)
}
ret.pushKV("ischange", pwallet->IsChange(scriptPubKey));
ScriptPubKeyMan* spk_man = pwallet->GetScriptPubKeyMan();
ScriptPubKeyMan* spk_man = pwallet->GetScriptPubKeyMan(scriptPubKey);
if (spk_man) {
CKeyID key_id = GetKeyForDestination(*provider, dest);
const CKeyMetadata* meta = nullptr;

22
src/wallet/wallet.cpp
View file

@ -1342,7 +1342,11 @@ bool CWallet::DummySignInput(CTxIn &tx_in, const CTxOut &txout, bool use_max_sig
const CScript& scriptPubKey = txout.scriptPubKey;
SignatureData sigdata;
const SigningProvider* provider = GetSigningProvider();
const SigningProvider* provider = GetSigningProvider(scriptPubKey);
if (!provider) {
// We don't know about this scriptpbuKey;
return false;
}
if (!ProduceSignature(*provider, use_max_sig ? DUMMY_MAXIMUM_SIGNATURE_CREATOR : DUMMY_SIGNATURE_CREATOR, scriptPubKey, sigdata)) {
return false;
@ -2096,7 +2100,7 @@ void CWallet::AvailableCoins(interfaces::Chain::Lock& locked_chain, std::vector<
continue;
}
const SigningProvider* provider = GetSigningProvider();
const SigningProvider* provider = GetSigningProvider(wtx.tx->vout[i].scriptPubKey);
bool solvable = provider ? IsSolvable(*provider, wtx.tx->vout[i].scriptPubKey) : false;
bool spendable = ((mine & ISMINE_SPENDABLE) != ISMINE_NO) || (((mine & ISMINE_WATCH_ONLY) != ISMINE_NO) && (coinControl && coinControl->fAllowWatchOnly && solvable));
@ -2333,8 +2337,9 @@ bool CWallet::SignTransaction(CMutableTransaction& tx)
const CAmount& amount = mi->second.tx->vout[input.prevout.n].nValue;
SignatureData sigdata;
const SigningProvider* provider = GetSigningProvider();
const SigningProvider* provider = GetSigningProvider(scriptPubKey);
if (!provider) {
// We don't know about this scriptpbuKey;
return false;
}
@ -2796,7 +2801,7 @@ bool CWallet::CreateTransaction(interfaces::Chain::Lock& locked_chain, const std
const CScript& scriptPubKey = coin.txout.scriptPubKey;
SignatureData sigdata;
const SigningProvider* provider = GetSigningProvider();
const SigningProvider* provider = GetSigningProvider(scriptPubKey);
if (!provider || !ProduceSignature(*provider, MutableTransactionSignatureCreator(&txNew, nIn, coin.txout.nValue, SIGHASH_ALL), scriptPubKey, sigdata))
{
strFailReason = _("Signing transaction failed").translated;
@ -4002,12 +4007,17 @@ bool CWallet::Lock()
return true;
}
ScriptPubKeyMan* CWallet::GetScriptPubKeyMan() const
ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const CScript& script) const
{
return m_spk_man.get();
}
const SigningProvider* CWallet::GetSigningProvider() const
const SigningProvider* CWallet::GetSigningProvider(const CScript& script) const
{
return m_spk_man.get();
}
const SigningProvider* CWallet::GetSigningProvider(const CScript& script, SignatureData& sigdata) const
{
return m_spk_man.get();
}

9
src/wallet/wallet.h
View file

@ -1113,8 +1113,13 @@ public:
LogPrintf(("%s " + fmt).c_str(), GetDisplayName(), parameters...);
};
ScriptPubKeyMan* GetScriptPubKeyMan() const;
const SigningProvider* GetSigningProvider() const;
//! Get the ScriptPubKeyMan for a script
ScriptPubKeyMan* GetScriptPubKeyMan(const CScript& script) const;
//! Get the SigningProvider for a script
const SigningProvider* GetSigningProvider(const CScript& script) const;
const SigningProvider* GetSigningProvider(const CScript& script, SignatureData& sigdata) const;
LegacyScriptPubKeyMan* GetLegacyScriptPubKeyMan() const;
// Temporary LegacyScriptPubKeyMan accessors and aliases.