mirror of
https://github.com/XRPLF/rippled.git
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1d42c4f6de
Per XLS-0095, we are taking steps to rename ripple(d) to xrpl(d). This change specifically removes all copyright notices referencing Ripple, XRPLF, and certain affiliated contributors upon mutual agreement, so the notice in the LICENSE.md file applies throughout. Copyright notices referencing external contributions remain as-is. Duplicate verbiage is also removed.
640 lines
21 KiB
C++
640 lines
21 KiB
C++
#include <test/jtx.h>
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#include <xrpl/protocol/TxFlags.h>
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#include <xrpl/protocol/jss.h>
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namespace ripple {
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namespace test {
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class SetTrust_test : public beast::unit_test::suite
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{
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FeatureBitset const disallowIncoming{featureDisallowIncoming};
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public:
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void
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testTrustLineDelete()
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{
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testcase(
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"Test deletion of trust lines: revert trust line limit to zero");
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using namespace jtx;
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Env env(*this);
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Account const alice = Account{"alice"};
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Account const becky = Account{"becky"};
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env.fund(XRP(10000), becky, alice);
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env.close();
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// becky wants to hold at most 50 tokens of alice["USD"]
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// becky is the customer, alice is the issuer
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// becky can be sent at most 50 tokens of alice's USD
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env(trust(becky, alice["USD"](50)));
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env.close();
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// Since the settings of the trust lines are non-default for both
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// alice and becky, both of them will be charged an owner reserve
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// Irrespective of whether the issuer or the customer initiated
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// the trust-line creation, both will be charged
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env.require(lines(alice, 1));
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env.require(lines(becky, 1));
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// Fetch the trust-lines via RPC for verification
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Json::Value jv;
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jv["account"] = becky.human();
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auto beckyLines = env.rpc("json", "account_lines", to_string(jv));
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jv["account"] = alice.human();
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auto aliceLines = env.rpc("json", "account_lines", to_string(jv));
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BEAST_EXPECT(aliceLines[jss::result][jss::lines].size() == 1);
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BEAST_EXPECT(beckyLines[jss::result][jss::lines].size() == 1);
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// reset the trust line limits to zero
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env(trust(becky, alice["USD"](0)));
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env.close();
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// the reset of the trust line limits deletes the trust-line
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// this occurs despite the authorization of the trust-line by the
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// issuer(alice, in this unit test)
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env.require(lines(becky, 0));
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env.require(lines(alice, 0));
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// second verification check via RPC calls
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jv["account"] = becky.human();
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beckyLines = env.rpc("json", "account_lines", to_string(jv));
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jv["account"] = alice.human();
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aliceLines = env.rpc("json", "account_lines", to_string(jv));
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BEAST_EXPECT(aliceLines[jss::result][jss::lines].size() == 0);
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BEAST_EXPECT(beckyLines[jss::result][jss::lines].size() == 0);
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// additionally, verify that account_objects is an empty array
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jv["account"] = becky.human();
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auto const beckyObj = env.rpc("json", "account_objects", to_string(jv));
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BEAST_EXPECT(beckyObj[jss::result][jss::account_objects].size() == 0);
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jv["account"] = alice.human();
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auto const aliceObj = env.rpc("json", "account_objects", to_string(jv));
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BEAST_EXPECT(aliceObj[jss::result][jss::account_objects].size() == 0);
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}
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void
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testTrustLineResetWithAuthFlag()
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{
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testcase(
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"Reset trust line limit with Authorised Lines: Verify "
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"deletion of trust lines");
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using namespace jtx;
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Env env(*this);
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Account const alice = Account{"alice"};
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Account const becky = Account{"becky"};
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env.fund(XRP(10000), becky, alice);
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env.close();
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// alice wants to ensure that all holders of her tokens are authorised
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env(fset(alice, asfRequireAuth));
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env.close();
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// becky wants to hold at most 50 tokens of alice["USD"]
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// becky is the customer, alice is the issuer
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// becky can be sent at most 50 tokens of alice's USD
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env(trust(becky, alice["USD"](50)));
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env.close();
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// alice authorizes becky to hold alice["USD"] tokens
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env(trust(alice, alice["USD"](0), becky, tfSetfAuth));
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env.close();
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// Since the settings of the trust lines are non-default for both
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// alice and becky, both of them will be charged an owner reserve
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// Irrespective of whether the issuer or the customer initiated
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// the trust-line creation, both will be charged
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env.require(lines(alice, 1));
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env.require(lines(becky, 1));
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// Fetch the trust-lines via RPC for verification
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Json::Value jv;
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jv["account"] = becky.human();
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auto beckyLines = env.rpc("json", "account_lines", to_string(jv));
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jv["account"] = alice.human();
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auto aliceLines = env.rpc("json", "account_lines", to_string(jv));
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BEAST_EXPECT(aliceLines[jss::result][jss::lines].size() == 1);
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BEAST_EXPECT(beckyLines[jss::result][jss::lines].size() == 1);
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// reset the trust line limits to zero
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env(trust(becky, alice["USD"](0)));
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env.close();
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// the reset of the trust line limits deletes the trust-line
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// this occurs despite the authorization of the trust-line by the
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// issuer(alice, in this unit test)
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env.require(lines(becky, 0));
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env.require(lines(alice, 0));
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// second verification check via RPC calls
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jv["account"] = becky.human();
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beckyLines = env.rpc("json", "account_lines", to_string(jv));
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jv["account"] = alice.human();
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aliceLines = env.rpc("json", "account_lines", to_string(jv));
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BEAST_EXPECT(aliceLines[jss::result][jss::lines].size() == 0);
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BEAST_EXPECT(beckyLines[jss::result][jss::lines].size() == 0);
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}
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void
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testFreeTrustlines(
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FeatureBitset features,
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bool thirdLineCreatesLE,
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bool createOnHighAcct)
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{
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if (thirdLineCreatesLE)
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testcase("Allow two free trustlines");
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else
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testcase("Dynamic reserve for trustline");
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using namespace jtx;
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Env env(*this, features);
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auto const gwA = Account{"gwA"};
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auto const gwB = Account{"gwB"};
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auto const acctC = Account{"acctC"};
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auto const acctD = Account{"acctD"};
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auto const& creator = createOnHighAcct ? acctD : acctC;
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auto const& assistor = createOnHighAcct ? acctC : acctD;
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auto const txFee = env.current()->fees().base;
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auto const baseReserve = env.current()->fees().reserve;
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auto const threelineReserve = env.current()->fees().accountReserve(3);
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env.fund(XRP(10000), gwA, gwB, assistor);
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// Fund creator with ...
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env.fund(
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baseReserve /* enough to hold an account */
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+ drops(3 * txFee) /* and to pay for 3 transactions */,
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creator);
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env(trust(creator, gwA["USD"](100)), require(lines(creator, 1)));
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env(trust(creator, gwB["USD"](100)), require(lines(creator, 2)));
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if (thirdLineCreatesLE)
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{
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// creator does not have enough for the third trust line
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env(trust(creator, assistor["USD"](100)),
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ter(tecNO_LINE_INSUF_RESERVE),
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require(lines(creator, 2)));
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}
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else
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{
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// First establish opposite trust direction from assistor
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env(trust(assistor, creator["USD"](100)),
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require(lines(creator, 3)));
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// creator does not have enough to create the other direction on
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// the existing trust line ledger entry
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env(trust(creator, assistor["USD"](100)),
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ter(tecINSUF_RESERVE_LINE));
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}
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// Fund creator additional amount to cover
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env(pay(env.master, creator, STAmount{threelineReserve - baseReserve}));
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if (thirdLineCreatesLE)
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{
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env(trust(creator, assistor["USD"](100)),
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require(lines(creator, 3)));
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}
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else
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{
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env(trust(creator, assistor["USD"](100)),
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require(lines(creator, 3)));
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Json::Value jv;
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jv["account"] = creator.human();
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auto const lines = env.rpc("json", "account_lines", to_string(jv));
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// Verify that all lines have 100 limit from creator
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BEAST_EXPECT(lines[jss::result][jss::lines].isArray());
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BEAST_EXPECT(lines[jss::result][jss::lines].size() == 3);
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for (auto const& line : lines[jss::result][jss::lines])
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{
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BEAST_EXPECT(line[jss::limit] == "100");
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}
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}
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}
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void
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testTicketSetTrust(FeatureBitset features)
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{
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testcase("SetTrust using a ticket");
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using namespace jtx;
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// Verify that TrustSet transactions can use tickets.
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Env env{*this, features};
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auto const gw = Account{"gateway"};
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auto const alice = Account{"alice"};
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auto const USD = gw["USD"];
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env.fund(XRP(10000), gw, alice);
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env.close();
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// Cannot pay alice without a trustline.
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env(pay(gw, alice, USD(200)), ter(tecPATH_DRY));
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env.close();
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// Create a ticket.
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std::uint32_t const ticketSeq{env.seq(alice) + 1};
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env(ticket::create(alice, 1));
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env.close();
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// Use that ticket to create a trust line.
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env(trust(alice, USD(1000)), ticket::use(ticketSeq));
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env.close();
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// Now the payment succeeds.
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env(pay(gw, alice, USD(200)));
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env.close();
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}
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Json::Value
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trust_explicit_amt(jtx::Account const& a, STAmount const& amt)
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{
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Json::Value jv;
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jv[jss::Account] = a.human();
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jv[jss::LimitAmount] = amt.getJson(JsonOptions::none);
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jv[jss::TransactionType] = jss::TrustSet;
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jv[jss::Flags] = 0;
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return jv;
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}
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void
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testMalformedTransaction(FeatureBitset features)
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{
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testcase("SetTrust checks for malformed transactions");
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using namespace jtx;
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Env env{*this, features};
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auto const gw = Account{"gateway"};
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auto const alice = Account{"alice"};
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env.fund(XRP(10000), gw, alice);
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// Require valid tf flags
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for (std::uint64_t badFlag = 1u;
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badFlag <= std::numeric_limits<std::uint32_t>::max();
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badFlag *= 2)
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{
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if (badFlag & tfTrustSetMask)
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env(trust(
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alice,
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gw["USD"](100),
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static_cast<std::uint32_t>(badFlag)),
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ter(temINVALID_FLAG));
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}
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// trust amount can't be XRP
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env(trust_explicit_amt(alice, drops(10000)), ter(temBAD_LIMIT));
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// trust amount can't be badCurrency IOU
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env(trust_explicit_amt(alice, gw[to_string(badCurrency())](100)),
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ter(temBAD_CURRENCY));
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// trust amount can't be negative
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env(trust(alice, gw["USD"](-1000)), ter(temBAD_LIMIT));
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// trust amount can't be from invalid issuer
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env(trust_explicit_amt(
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alice, STAmount{Issue{to_currency("USD"), noAccount()}, 100}),
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ter(temDST_NEEDED));
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// trust cannot be to self
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env(trust(alice, alice["USD"](100)), ter(temDST_IS_SRC));
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// tfSetAuth flag should not be set if not required by lsfRequireAuth
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env(trust(alice, gw["USD"](100), tfSetfAuth), ter(tefNO_AUTH_REQUIRED));
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}
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void
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testExceedTrustLineLimit()
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{
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testcase(
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"Ensure that trust line limits are respected in payment "
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"transactions");
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using namespace jtx;
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Env env{*this};
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auto const gw = Account{"gateway"};
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auto const alice = Account{"alice"};
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env.fund(XRP(10000), gw, alice);
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// alice wants to hold at most 100 of gw's USD tokens
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env(trust(alice, gw["USD"](100)));
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env.close();
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// send a payment for a large quantity through the trust line
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env(pay(gw, alice, gw["USD"](200)), ter(tecPATH_PARTIAL));
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env.close();
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// on the other hand, smaller payments should succeed
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env(pay(gw, alice, gw["USD"](20)));
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env.close();
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}
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void
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testAuthFlagTrustLines()
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{
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testcase(
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"Ensure that authorised trust lines do not allow payments "
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"from unauthorised counter-parties");
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using namespace jtx;
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Env env{*this};
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auto const bob = Account{"bob"};
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auto const alice = Account{"alice"};
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env.fund(XRP(10000), bob, alice);
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// alice wants to ensure that all holders of her tokens are authorised
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env(fset(alice, asfRequireAuth));
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env.close();
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// create a trust line from bob to alice. bob wants to hold at most
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// 100 of alice's USD tokens. Note: alice hasn't authorised this
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// trust line yet.
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env(trust(bob, alice["USD"](100)));
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env.close();
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// send a payment from alice to bob, validate that the payment fails
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env(pay(alice, bob, alice["USD"](10)), ter(tecPATH_DRY));
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env.close();
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}
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void
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testTrustLineLimitsWithRippling()
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{
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testcase(
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"Check that trust line limits are respected in conjunction "
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"with rippling feature");
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using namespace jtx;
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Env env{*this};
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auto const bob = Account{"bob"};
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auto const alice = Account{"alice"};
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env.fund(XRP(10000), bob, alice);
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// create a trust line from bob to alice. bob wants to hold at most
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// 100 of alice's USD tokens.
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env(trust(bob, alice["USD"](100)));
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env.close();
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// archetypical payment transaction from alice to bob must succeed
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env(pay(alice, bob, alice["USD"](20)), ter(tesSUCCESS));
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env.close();
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// Issued tokens are fungible. i.e. alice's USD is identical to bob's
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// USD
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env(pay(bob, alice, bob["USD"](10)), ter(tesSUCCESS));
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env.close();
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// bob cannot place alice in his debt i.e. alice's balance of the USD
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// tokens cannot go below zero.
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env(pay(bob, alice, bob["USD"](11)), ter(tecPATH_PARTIAL));
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env.close();
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// payments that respect the trust line limits of alice should succeed
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env(pay(bob, alice, bob["USD"](10)), ter(tesSUCCESS));
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env.close();
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}
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void
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testModifyQualityOfTrustline(
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FeatureBitset features,
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bool createQuality,
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bool createOnHighAcct)
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{
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testcase << "SetTrust " << (createQuality ? "creates" : "removes")
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<< " quality of trustline for "
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<< (createOnHighAcct ? "high" : "low") << " account";
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using namespace jtx;
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Env env{*this, features};
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auto const alice = Account{"alice"};
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auto const bob = Account{"bob"};
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auto const& fromAcct = createOnHighAcct ? alice : bob;
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auto const& toAcct = createOnHighAcct ? bob : alice;
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env.fund(XRP(10000), fromAcct, toAcct);
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auto txWithoutQuality = trust(toAcct, fromAcct["USD"](100));
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txWithoutQuality["QualityIn"] = "0";
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txWithoutQuality["QualityOut"] = "0";
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auto txWithQuality = txWithoutQuality;
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txWithQuality["QualityIn"] = "1000";
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txWithQuality["QualityOut"] = "1000";
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auto& tx1 = createQuality ? txWithQuality : txWithoutQuality;
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auto& tx2 = createQuality ? txWithoutQuality : txWithQuality;
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auto check_quality = [&](bool const exists) {
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Json::Value jv;
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jv["account"] = toAcct.human();
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auto const lines = env.rpc("json", "account_lines", to_string(jv));
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auto quality = exists ? 1000 : 0;
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BEAST_EXPECT(lines[jss::result][jss::lines].isArray());
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BEAST_EXPECT(lines[jss::result][jss::lines].size() == 1);
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BEAST_EXPECT(
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lines[jss::result][jss::lines][0u][jss::quality_in] == quality);
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BEAST_EXPECT(
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lines[jss::result][jss::lines][0u][jss::quality_out] ==
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quality);
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};
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env(tx1, require(lines(toAcct, 1)), require(lines(fromAcct, 1)));
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check_quality(createQuality);
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env(tx2, require(lines(toAcct, 1)), require(lines(fromAcct, 1)));
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check_quality(!createQuality);
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}
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void
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testDisallowIncoming(FeatureBitset features)
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{
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testcase("Create trustline with disallow incoming");
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using namespace test::jtx;
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// test flag doesn't set unless amendment enabled
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{
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Env env{*this, features - disallowIncoming};
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Account const alice{"alice"};
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env.fund(XRP(10000), alice);
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env(fset(alice, asfDisallowIncomingTrustline));
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env.close();
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auto const sle = env.le(alice);
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uint32_t flags = sle->getFlags();
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BEAST_EXPECT(!(flags & lsfDisallowIncomingTrustline));
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}
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// fixDisallowIncomingV1
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{
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for (bool const withFix : {true, false})
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{
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auto const amend = withFix
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? features | disallowIncoming
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: (features | disallowIncoming) - fixDisallowIncomingV1;
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Env env{*this, amend};
|
|
auto const dist = Account("dist");
|
|
auto const gw = Account("gw");
|
|
auto const USD = gw["USD"];
|
|
auto const distUSD = dist["USD"];
|
|
|
|
env.fund(XRP(1000), gw, dist);
|
|
env.close();
|
|
|
|
env(fset(gw, asfRequireAuth));
|
|
env.close();
|
|
|
|
env(fset(dist, asfDisallowIncomingTrustline));
|
|
env.close();
|
|
|
|
env(trust(dist, USD(10000)));
|
|
env.close();
|
|
|
|
// withFix: can set trustline
|
|
// withOutFix: cannot set trustline
|
|
auto const trustResult =
|
|
withFix ? ter(tesSUCCESS) : ter(tecNO_PERMISSION);
|
|
env(trust(gw, distUSD(10000)),
|
|
txflags(tfSetfAuth),
|
|
trustResult);
|
|
env.close();
|
|
|
|
auto const txResult =
|
|
withFix ? ter(tesSUCCESS) : ter(tecPATH_DRY);
|
|
env(pay(gw, dist, USD(1000)), txResult);
|
|
env.close();
|
|
}
|
|
}
|
|
|
|
Env env{*this, features | disallowIncoming};
|
|
|
|
auto const gw = Account{"gateway"};
|
|
auto const alice = Account{"alice"};
|
|
auto const bob = Account{"bob"};
|
|
auto const USD = gw["USD"];
|
|
|
|
env.fund(XRP(10000), gw, alice, bob);
|
|
env.close();
|
|
|
|
// Set flag on gateway
|
|
env(fset(gw, asfDisallowIncomingTrustline));
|
|
env.close();
|
|
|
|
// Create a trustline which will fail
|
|
env(trust(alice, USD(1000)), ter(tecNO_PERMISSION));
|
|
env.close();
|
|
|
|
// Unset the flag
|
|
env(fclear(gw, asfDisallowIncomingTrustline));
|
|
env.close();
|
|
|
|
// Create a trustline which will now succeed
|
|
env(trust(alice, USD(1000)));
|
|
env.close();
|
|
|
|
// Now the payment succeeds.
|
|
env(pay(gw, alice, USD(200)));
|
|
env.close();
|
|
|
|
// Set flag on gateway again
|
|
env(fset(gw, asfDisallowIncomingTrustline));
|
|
env.close();
|
|
|
|
// Destroy the balance by sending it back
|
|
env(pay(gw, alice, USD(200)));
|
|
env.close();
|
|
|
|
// The trustline still exists in default state
|
|
// So a further payment should work
|
|
env(pay(gw, alice, USD(200)));
|
|
env.close();
|
|
|
|
// Also set the flag on bob
|
|
env(fset(bob, asfDisallowIncomingTrustline));
|
|
env.close();
|
|
|
|
// But now bob can't open a trustline because he didn't already have one
|
|
env(trust(bob, USD(1000)), ter(tecNO_PERMISSION));
|
|
env.close();
|
|
|
|
// The gateway also can't open this trustline because bob has the flag
|
|
// set
|
|
env(trust(gw, bob["USD"](1000)), ter(tecNO_PERMISSION));
|
|
env.close();
|
|
|
|
// Unset the flag only on the gateway
|
|
env(fclear(gw, asfDisallowIncomingTrustline));
|
|
env.close();
|
|
|
|
// Now bob can open a trustline
|
|
env(trust(bob, USD(1000)));
|
|
env.close();
|
|
|
|
// And the gateway can send bob a balance
|
|
env(pay(gw, bob, USD(200)));
|
|
env.close();
|
|
}
|
|
|
|
void
|
|
testWithFeats(FeatureBitset features)
|
|
{
|
|
testFreeTrustlines(features, true, false);
|
|
testFreeTrustlines(features, false, true);
|
|
testFreeTrustlines(features, 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
|
|
testTicketSetTrust(features);
|
|
testMalformedTransaction(features);
|
|
testModifyQualityOfTrustline(features, false, false);
|
|
testModifyQualityOfTrustline(features, false, true);
|
|
testModifyQualityOfTrustline(features, true, false);
|
|
testModifyQualityOfTrustline(features, true, true);
|
|
testDisallowIncoming(features);
|
|
testTrustLineResetWithAuthFlag();
|
|
testTrustLineDelete();
|
|
testExceedTrustLineLimit();
|
|
testAuthFlagTrustLines();
|
|
testTrustLineLimitsWithRippling();
|
|
}
|
|
|
|
public:
|
|
void
|
|
run() override
|
|
{
|
|
using namespace test::jtx;
|
|
auto const sa = testable_amendments();
|
|
testWithFeats(sa - disallowIncoming);
|
|
testWithFeats(sa);
|
|
}
|
|
};
|
|
BEAST_DEFINE_TESTSUITE(SetTrust, app, ripple);
|
|
} // namespace test
|
|
} // namespace ripple
|