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RequireAuth account can create offers to buy their currency

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Scott Schurr
2017-06-20 17:53:33 -07:00
committed by seelabs
parent d981bff8ea
commit afc791835e
2 changed files with 84 additions and 0 deletions
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77
src/test/app/Offer_test.cpp
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@@ -4322,6 +4322,82 @@ public:
env (pay (hotUS, coldEU, EUR(10)), sendmax (USD(11.1223326)));
}
void testSelfAuth (std::initializer_list<uint256> fs)
{
testcase ("Self Auth");
using namespace jtx;
Env env {*this, with_features (fs)};
auto const closeTime =
fix1449Time() +
100 * env.closed()->info().closeTimeResolution;
env.close (closeTime);
auto const gw = Account("gw");
auto const alice = Account("alice");
auto const gwUSD = gw["USD"];
auto const aliceUSD = alice["USD"];
env.fund (XRP(400000), gw, alice);
env.close();
// Test that gw can create an offer to buy gw's currency.
env (offer (gw, gwUSD(40), XRP(4000)));
env.close();
std::uint32_t const gwOfferSeq = env.seq (gw) - 1;
env.require (offers (gw, 1));
// Since gw has an offer out, gw should not be able to set RequireAuth.
env(fset (gw, asfRequireAuth), ter (tecOWNERS));
env.close();
// Cancel gw's offer so we can set RequireAuth.
env (offer_cancel (gw, gwOfferSeq));
env.close();
env.require (offers (gw, 0));
// gw now requires authorization for holders of its IOUs
env(fset (gw, asfRequireAuth));
env.close();
// The test behaves differently with or without FlowCross.
bool const flowCross =
std::find (fs.begin(), fs.end(), featureFlowCross) != fs.end();
// Before FlowCross an account with lsfRequireAuth set could not
// create an offer to buy their own currency. After FlowCross
// they can.
env (offer (gw, gwUSD(40), XRP(4000)),
ter (flowCross ? tesSUCCESS : tecNO_LINE));
env.close();
env.require (offers (gw, flowCross ? 1 : 0));
if (!flowCross)
// The rest of the test verifies FlowCross behavior.
return;
// Set up an authorized trust line and pay alice gwUSD 50.
env (trust (gw, aliceUSD(100)), txflags (tfSetfAuth));
env (trust (alice, gwUSD(100)));
env.close();
env (pay(gw, alice, gwUSD(50)));
env.close();
env.require (balance (alice, gwUSD(50)));
// alice's offer should cross gw's
env (offer (alice, XRP(4000), gwUSD(40)));
env.close();
env.require (offers (alice, 0));
env.require (balance (alice, gwUSD(10)));
env.require (offers (gw, 0));
}
void testTickSize (std::initializer_list<uint256> fs)
{
testcase ("Tick Size");
@@ -4497,6 +4573,7 @@ public:
testRequireAuth (fs);
testMissingAuth (fs);
testRCSmoketest (fs);
testSelfAuth (fs);
testTickSize (fs);
};
// The first three test variants below passed at one time in the past (and