//------------------------------------------------------------------------------ /* This file is part of rippled: https://github.com/ripple/rippled Copyright (c) 2012-2016 Ripple Labs Inc. Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ //============================================================================== #include #include #include namespace ripple { namespace test { class SetTrust_test : public beast::unit_test::suite { public: void testFreeTrustlines(bool thirdLineCreatesLE, bool createOnHighAcct) { if (thirdLineCreatesLE) testcase("Allow two free trustlines"); else testcase("Dynamic reserve for trustline"); using namespace jtx; Env env(*this); auto const gwA = Account{ "gwA" }; auto const gwB = Account{ "gwB" }; auto const acctC = Account{ "acctC" }; auto const acctD = Account{ "acctD" }; auto const & creator = createOnHighAcct ? acctD : acctC; auto const & assistor = createOnHighAcct ? acctC : acctD; auto const txFee = env.current()->fees().base; auto const baseReserve = env.current()->fees().accountReserve(0); auto const threelineReserve = env.current()->fees().accountReserve(3); env.fund(XRP(10000), gwA, gwB, assistor); // Fund creator with ... env.fund(baseReserve /* enough to hold an account */ + drops(3*txFee) /* and to pay for 3 transactions */, creator); env(trust(creator, gwA["USD"](100)), require(lines(creator,1))); env(trust(creator, gwB["USD"](100)), require(lines(creator,2))); if (thirdLineCreatesLE) { // creator does not have enough for the third trust line env(trust(creator, assistor["USD"](100)), ter(tecNO_LINE_INSUF_RESERVE), require(lines(creator, 2))); } else { // First establish opposite trust direction from assistor env(trust(assistor,creator["USD"](100)), require(lines(creator,3))); // creator does not have enough to create the other direction on //the existing trust line ledger entry env(trust(creator,assistor["USD"](100)),ter(tecINSUF_RESERVE_LINE)); } // Fund creator additional amount to cover env(pay(env.master,creator,STAmount{ threelineReserve - baseReserve })); if (thirdLineCreatesLE) { env(trust(creator,assistor["USD"](100)),require(lines(creator, 3))); } else { env(trust(creator, assistor["USD"](100)),require(lines(creator,3))); Json::Value jv; jv["account"] = creator.human(); auto const lines = env.rpc("json","account_lines", to_string(jv)); // Verify that all lines have 100 limit from creator BEAST_EXPECT(lines[jss::result][jss::lines].isArray()); BEAST_EXPECT(lines[jss::result][jss::lines].size() == 3); for (auto const & line : lines[jss::result][jss::lines]) { BEAST_EXPECT(line[jss::limit] == "100"); } } } Json::Value trust_explicit_amt(jtx::Account const & a, STAmount const & amt) { Json::Value jv; jv[jss::Account] = a.human(); jv[jss::LimitAmount] = amt.getJson(0); jv[jss::TransactionType] = "TrustSet"; jv[jss::Flags] = 0; return jv; } void testMalformedTransaction() { testcase("SetTrust checks for malformed transactions"); using namespace jtx; Env env{ *this }; auto const gw = Account{ "gateway" }; auto const alice = Account{ "alice" }; env.fund(XRP(10000), gw, alice); // Require valid tf flags for (std::uint64_t badFlag = 1u ; badFlag <= std::numeric_limits::max(); badFlag *= 2) { if( badFlag & tfTrustSetMask) env(trust(alice, gw["USD"](100), static_cast(badFlag)), ter(temINVALID_FLAG)); } // trust amount can't be XRP env(trust_explicit_amt(alice, drops(10000)), ter(temBAD_LIMIT)); // trust amount can't be badCurrency IOU env(trust_explicit_amt(alice, gw[ to_string(badCurrency())](100)), ter(temBAD_CURRENCY)); // trust amount can't be negative env(trust(alice, gw["USD"](-1000)), ter(temBAD_LIMIT)); // trust amount can't be from invalid issuer env(trust_explicit_amt(alice, STAmount{Issue{to_currency("USD"), noAccount()}, 100 }), ter(temDST_NEEDED)); // trust cannot be to self env(trust(alice, alice["USD"](100)), ter(temDST_IS_SRC)); // tfSetAuth flag should not be set if not required by lsfRequireAuth env(trust(alice, gw["USD"](100), tfSetfAuth), ter(tefNO_AUTH_REQUIRED)); } void testModifyQualityOfTrustline(bool createQuality, bool createOnHighAcct) { testcase << "SetTrust " << (createQuality ? "creates" : "removes") << " quality of trustline for " << (createOnHighAcct ? "high" : "low" ) << " account" ; using namespace jtx; Env env{ *this }; auto const alice = Account{ "alice" }; auto const bob = Account{ "bob" }; auto const & fromAcct = createOnHighAcct ? alice : bob; auto const & toAcct = createOnHighAcct ? bob : alice; env.fund(XRP(10000), fromAcct, toAcct); auto txWithoutQuality = trust(toAcct, fromAcct["USD"](100)); txWithoutQuality["QualityIn"] = "0"; txWithoutQuality["QualityOut"] = "0"; auto txWithQuality = txWithoutQuality; txWithQuality["QualityIn"] = "1000"; txWithQuality["QualityOut"] = "1000"; auto & tx1 = createQuality ? txWithQuality : txWithoutQuality; auto & tx2 = createQuality ? txWithoutQuality : txWithQuality; auto check_quality = [&](const bool exists) { Json::Value jv; jv["account"] = toAcct.human(); auto const lines = env.rpc("json","account_lines", to_string(jv)); auto quality = exists ? 1000 : 0; BEAST_EXPECT(lines[jss::result][jss::lines].isArray()); BEAST_EXPECT(lines[jss::result][jss::lines].size() == 1); BEAST_EXPECT(lines[jss::result][jss::lines][0u][jss::quality_in] == quality); BEAST_EXPECT(lines[jss::result][jss::lines][0u][jss::quality_out] == quality); }; env(tx1, require(lines(toAcct, 1)), require(lines(fromAcct, 1))); check_quality(createQuality); env(tx2, require(lines(toAcct, 1)), require(lines(fromAcct, 1))); check_quality(!createQuality); } void run() { testFreeTrustlines(true, false); testFreeTrustlines(false, true); testFreeTrustlines(false, true); // true, true case doesn't matter since creating a trustline ledger // entry requires reserve from the creator // independent of hi/low account ids for endpoints testMalformedTransaction(); testModifyQualityOfTrustline(false, false); testModifyQualityOfTrustline(false, true); testModifyQualityOfTrustline(true, false); testModifyQualityOfTrustline(true, true); } }; BEAST_DEFINE_TESTSUITE(SetTrust, app, ripple); } // test } // ripple