From 6bdb474dc9dd34e1a5b13ce9494a936cba77e027 Mon Sep 17 00:00:00 2001 From: Matt Corallo Date: Thu, 23 Apr 2015 21:42:49 -0700 Subject: [PATCH] Implement watchonly support in fundrawtransaction Some code and test cases stolen from Bryan Bishop (pull #5524). --- qa/rpc-tests/fundrawtransaction.py | 59 ++++++++++++++++++++++++++++-- src/coincontrol.h | 3 ++ src/wallet/rpcwallet.cpp | 19 +++++++--- src/wallet/wallet.cpp | 7 +++- src/wallet/wallet.h | 2 +- 5 files changed, 78 insertions(+), 12 deletions(-) diff --git a/qa/rpc-tests/fundrawtransaction.py b/qa/rpc-tests/fundrawtransaction.py index 80f1d1e12..deaf8b68f 100755 --- a/qa/rpc-tests/fundrawtransaction.py +++ b/qa/rpc-tests/fundrawtransaction.py @@ -13,14 +13,15 @@ class RawTransactionsTest(BitcoinTestFramework): def setup_chain(self): print("Initializing test directory "+self.options.tmpdir) - initialize_chain_clean(self.options.tmpdir, 3) + initialize_chain_clean(self.options.tmpdir, 4) def setup_network(self, split=False): - self.nodes = start_nodes(3, self.options.tmpdir) + self.nodes = start_nodes(4, self.options.tmpdir) connect_nodes_bi(self.nodes,0,1) connect_nodes_bi(self.nodes,1,2) connect_nodes_bi(self.nodes,0,2) + connect_nodes_bi(self.nodes,0,3) self.is_network_split=False self.sync_all() @@ -31,11 +32,20 @@ class RawTransactionsTest(BitcoinTestFramework): self.nodes[2].generate(1) self.sync_all() - self.nodes[0].generate(101) + self.nodes[0].generate(121) self.sync_all() + + watchonly_address = self.nodes[0].getnewaddress() + watchonly_pubkey = self.nodes[0].validateaddress(watchonly_address)["pubkey"] + watchonly_amount = 200 + self.nodes[3].importpubkey(watchonly_pubkey, "", True) + watchonly_txid = self.nodes[0].sendtoaddress(watchonly_address, watchonly_amount) + self.nodes[0].sendtoaddress(self.nodes[3].getnewaddress(), watchonly_amount / 10); + self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(),1.5); self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(),1.0); self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(),5.0); + self.sync_all() self.nodes[0].generate(1) self.sync_all() @@ -428,11 +438,12 @@ class RawTransactionsTest(BitcoinTestFramework): stop_nodes(self.nodes) wait_bitcoinds() - self.nodes = start_nodes(3, self.options.tmpdir) + self.nodes = start_nodes(4, self.options.tmpdir) connect_nodes_bi(self.nodes,0,1) connect_nodes_bi(self.nodes,1,2) connect_nodes_bi(self.nodes,0,2) + connect_nodes_bi(self.nodes,0,3) self.is_network_split=False self.sync_all() @@ -525,5 +536,45 @@ class RawTransactionsTest(BitcoinTestFramework): assert_equal(oldBalance+Decimal('50.19000000'), self.nodes[0].getbalance()) #0.19+block reward + ################################################## + # test a fundrawtransaction using only watchonly # + ################################################## + + inputs = [] + outputs = {self.nodes[2].getnewaddress() : watchonly_amount / 2} + rawtx = self.nodes[3].createrawtransaction(inputs, outputs) + + result = self.nodes[3].fundrawtransaction(rawtx, True) + res_dec = self.nodes[0].decoderawtransaction(result["hex"]) + assert_equal(len(res_dec["vin"]), 1) + assert_equal(res_dec["vin"][0]["txid"], watchonly_txid) + + assert_equal("fee" in result.keys(), True) + assert_greater_than(result["changepos"], -1) + + ############################################################### + # test fundrawtransaction using the entirety of watched funds # + ############################################################### + + inputs = [] + outputs = {self.nodes[2].getnewaddress() : watchonly_amount} + rawtx = self.nodes[3].createrawtransaction(inputs, outputs) + + result = self.nodes[3].fundrawtransaction(rawtx, True) + res_dec = self.nodes[0].decoderawtransaction(result["hex"]) + assert_equal(len(res_dec["vin"]), 2) + assert(res_dec["vin"][0]["txid"] == watchonly_txid or res_dec["vin"][1]["txid"] == watchonly_txid) + + assert_greater_than(result["fee"], 0) + assert_greater_than(result["changepos"], -1) + assert_equal(result["fee"] + res_dec["vout"][result["changepos"]]["value"], watchonly_amount / 10) + + signedtx = self.nodes[3].signrawtransaction(result["hex"]) + assert(not signedtx["complete"]) + signedtx = self.nodes[0].signrawtransaction(signedtx["hex"]) + assert(signedtx["complete"]) + self.nodes[0].sendrawtransaction(signedtx["hex"]) + + if __name__ == '__main__': RawTransactionsTest().main() diff --git a/src/coincontrol.h b/src/coincontrol.h index 3e8de83c3..74d524c0a 100644 --- a/src/coincontrol.h +++ b/src/coincontrol.h @@ -14,6 +14,8 @@ public: CTxDestination destChange; //! If false, allows unselected inputs, but requires all selected inputs be used bool fAllowOtherInputs; + //! Includes watch only addresses which match the ISMINE_WATCH_PUBKEY criteria + bool fAllowWatchOnly; CCoinControl() { @@ -24,6 +26,7 @@ public: { destChange = CNoDestination(); fAllowOtherInputs = false; + fAllowWatchOnly = false; setSelected.clear(); } diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp index 8d8893387..199a93456 100644 --- a/src/wallet/rpcwallet.cpp +++ b/src/wallet/rpcwallet.cpp @@ -2367,15 +2367,20 @@ UniValue fundrawtransaction(const UniValue& params, bool fHelp) if (!EnsureWalletIsAvailable(fHelp)) return NullUniValue; - if (fHelp || params.size() != 1) + if (fHelp || params.size() < 1 || params.size() > 2) throw runtime_error( - "fundrawtransaction \"hexstring\"\n" + "fundrawtransaction \"hexstring\" includeWatching\n" "\nAdd inputs to a transaction until it has enough in value to meet its out value.\n" "This will not modify existing inputs, and will add one change output to the outputs.\n" "Note that inputs which were signed may need to be resigned after completion since in/outputs have been added.\n" "The inputs added will not be signed, use signrawtransaction for that.\n" + "Note that all existing inputs must have their previous output transaction be in the wallet.\n" + "Note that all inputs selected must be of standard form and P2SH scripts must be" + "in the wallet using importaddress or addmultisigaddress (to calculate fees).\n" + "Only pay-to-pubkey, multisig, and P2SH versions thereof are currently supported for watch-only\n" "\nArguments:\n" - "1. \"hexstring\" (string, required) The hex string of the raw transaction\n" + "1. \"hexstring\" (string, required) The hex string of the raw transaction\n" + "2. includeWatching (boolean, optional, default false) Also select inputs which are watch only\n" "\nResult:\n" "{\n" " \"hex\": \"value\", (string) The resulting raw transaction (hex-encoded string)\n" @@ -2394,18 +2399,22 @@ UniValue fundrawtransaction(const UniValue& params, bool fHelp) + HelpExampleCli("sendrawtransaction", "\"signedtransactionhex\"") ); - RPCTypeCheck(params, boost::assign::list_of(UniValue::VSTR)); + RPCTypeCheck(params, boost::assign::list_of(UniValue::VSTR)(UniValue::VBOOL)); // parse hex string from parameter CTransaction origTx; if (!DecodeHexTx(origTx, params[0].get_str())) throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed"); + bool includeWatching = false; + if (params.size() > 1) + includeWatching = true; + CMutableTransaction tx(origTx); CAmount nFee; string strFailReason; int nChangePos = -1; - if(!pwalletMain->FundTransaction(tx, nFee, nChangePos, strFailReason)) + if(!pwalletMain->FundTransaction(tx, nFee, nChangePos, strFailReason, includeWatching)) throw JSONRPCError(RPC_INTERNAL_ERROR, strFailReason); UniValue result(UniValue::VOBJ); diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index c11800863..5bc34f9ed 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -1524,7 +1524,9 @@ void CWallet::AvailableCoins(vector& vCoins, bool fOnlyConfirmed, const if (!(IsSpent(wtxid, i)) && mine != ISMINE_NO && !IsLockedCoin((*it).first, i) && (pcoin->vout[i].nValue > 0 || fIncludeZeroValue) && (!coinControl || !coinControl->HasSelected() || coinControl->fAllowOtherInputs || coinControl->IsSelected((*it).first, i))) - vCoins.push_back(COutput(pcoin, i, nDepth, (mine & ISMINE_SPENDABLE) != ISMINE_NO)); + vCoins.push_back(COutput(pcoin, i, nDepth, + ((mine & ISMINE_SPENDABLE) != ISMINE_NO) || + (coinControl && coinControl->fAllowWatchOnly && (mine & ISMINE_WATCH_PUBKEY) != ISMINE_NO))); } } } @@ -1740,7 +1742,7 @@ bool CWallet::SelectCoins(const CAmount& nTargetValue, set vecSend; @@ -1753,6 +1755,7 @@ bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount &nFeeRet, int& nC CCoinControl coinControl; coinControl.fAllowOtherInputs = true; + coinControl.fAllowWatchOnly = includeWatching; BOOST_FOREACH(const CTxIn& txin, tx.vin) coinControl.Select(txin.prevout); diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h index 003266ba1..faa509fc1 100644 --- a/src/wallet/wallet.h +++ b/src/wallet/wallet.h @@ -630,7 +630,7 @@ public: CAmount GetWatchOnlyBalance() const; CAmount GetUnconfirmedWatchOnlyBalance() const; CAmount GetImmatureWatchOnlyBalance() const; - bool FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nChangePosRet, std::string& strFailReason); + bool FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nChangePosRet, std::string& strFailReason, bool includeWatching); bool CreateTransaction(const std::vector& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, CAmount& nFeeRet, int& nChangePosRet, std::string& strFailReason, const CCoinControl *coinControl = NULL, bool sign = true); bool CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey);