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Track total trustlines and avoid duplications

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This commit is contained in:
Ed Hennis
2022-02-18 18:28:49 -05:00
committed by manojsdoshi
parent e836375d99
commit 04bd5878f1
8 changed files with 373 additions and 185 deletions
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64
src/test/app/Path_test.cpp
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@@ -1378,6 +1378,69 @@ public:
}
}
void
noripple_combinations()
{
using namespace jtx;
// This test will create trust lines with various values of the noRipple
// flag. alice <-> george <-> bob george will sort of act like a
// gateway, but use a different name to avoid the usual assumptions
// about gateways.
auto const alice = Account("alice");
auto const bob = Account("bob");
auto const george = Account("george");
auto const USD = george["USD"];
auto test = [&](std::string casename,
bool aliceRipple,
bool bobRipple,
bool expectPath) {
testcase(casename);
Env env = pathTestEnv();
env.fund(XRP(10000), noripple(alice, bob, george));
env.close();
// Set the same flags at both ends of the trustline, even though
// only george's matter.
env(trust(
alice,
USD(100),
aliceRipple ? tfClearNoRipple : tfSetNoRipple));
env(trust(
george,
alice["USD"](100),
aliceRipple ? tfClearNoRipple : tfSetNoRipple));
env(trust(
bob, USD(100), bobRipple ? tfClearNoRipple : tfSetNoRipple));
env(trust(
george,
bob["USD"](100),
bobRipple ? tfClearNoRipple : tfSetNoRipple));
env.close();
env(pay(george, alice, USD(70)));
env.close();
auto [st, sa, da] =
find_paths(env, "alice", "bob", Account("bob")["USD"](5));
BEAST_EXPECT(equal(da, bob["USD"](5)));
if (expectPath)
{
BEAST_EXPECT(st.size() == 1);
BEAST_EXPECT(same(st, stpath("george")));
BEAST_EXPECT(equal(sa, alice["USD"](5)));
}
else
{
BEAST_EXPECT(st.size() == 0);
BEAST_EXPECT(equal(sa, XRP(0)));
}
};
test("ripple -> ripple", true, true, true);
test("ripple -> no ripple", true, false, true);
test("no ripple -> ripple", false, true, true);
test("no ripple -> no ripple", false, false, false);
}
void
run() override
{
@@ -1401,6 +1464,7 @@ public:
trust_auto_clear_trust_auto_clear();
xrp_to_xrp();
receive_max();
noripple_combinations();
// The following path_find_NN tests are data driven tests
// that were originally implemented in js/coffee and migrated