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fix: Deduplicate oracle entries in get_aggregate_price RPC (#6586)

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Co-authored-by: Matt Van Horn <455140+mvanhorn@users.noreply.github.com>
Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-authored-by: Mayukha Vadari <mvadari@ripple.com>
Co-authored-by: Bart <bthomee@users.noreply.github.com>
This commit is contained in:
Matt Van Horn
2026-08-07 13:24:45 -07:00
committed by GitHub
parent abf5511d07
commit 798e889ec4
3 changed files with 51 additions and 0 deletions
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42
src/test/rpc/GetAggregatePrice_test.cpp
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@@ -320,6 +320,48 @@ public:
BEAST_EXPECT(ret[jss::median] == "74");
BEAST_EXPECT(ret[jss::time] == 946695000);
}
// Duplicate oracle entries should be deduplicated.
// Two separate oracles with different prices give size=2.
// Listing the first oracle twice in the query must not
// inflate the size to 3.
{
Env env(*this);
auto const baseFee = static_cast<int>(env.current()->fees().base.drops());
Account const owner1{"owner1"};
Account const owner2{"owner2"};
env.fund(XRP(1'000), owner1);
env.fund(XRP(1'000), owner2);
Oracle const oracle1(
env, {.owner = owner1, .series = {{"XRP", "USD", 740, 1}}, .fee = baseFee});
Oracle const oracle2(
env, {.owner = owner2, .series = {{"XRP", "USD", 840, 1}}, .fee = baseFee});
// Query with both oracles listed once
OraclesData const single = {
{owner1, oracle1.documentID()}, {owner2, oracle2.documentID()}};
auto const retSingle = Oracle::aggregatePrice(env, "XRP", "USD", single);
// Query with oracle1 listed twice
OraclesData const duplicated = {
{owner1, oracle1.documentID()},
{owner1, oracle1.documentID()},
{owner2, oracle2.documentID()}};
auto const retDup = Oracle::aggregatePrice(env, "XRP", "USD", duplicated);
// Results should be identical - duplicates must not be
// double-counted
BEAST_EXPECT(
retSingle[jss::entire_set][jss::size] == retDup[jss::entire_set][jss::size]);
BEAST_EXPECT(retDup[jss::entire_set][jss::size].asUInt() == 2);
BEAST_EXPECT(
retSingle[jss::entire_set][jss::mean] == retDup[jss::entire_set][jss::mean]);
BEAST_EXPECT(
retSingle[jss::entire_set][jss::standard_deviation] ==
retDup[jss::entire_set][jss::standard_deviation]);
BEAST_EXPECT(retSingle[jss::median] == retDup[jss::median]);
}
}
void