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add marker to book offers

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This commit is contained in:
CJ Cobb
2021-02-08 10:42:35 -05:00
parent da54bfff73
commit 1ce82412db
2 changed files with 33 additions and 6 deletions
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17
handlers/BookOffers.cpp
View File

@@ -297,13 +297,26 @@ doBookOffers(
request.at("limit").kind() == boost::json::kind::int64)
limit = request.at("limit").as_int64();
ripple::uint256 cursor;
if (request.contains("cursor"))
{
cursor.parseHex(request.at("cursor").as_string().c_str());
}
ripple::Book book = {
{pay_currency, pay_issuer}, {get_currency, get_issuer}};
auto start = std::chrono::system_clock::now();
ripple::uint256 bookBase = getBookBase(book);
std::vector<CassandraFlatMapBackend::LedgerObject> offers =
backend.doBookOffers(bookBase, *sequence);
std::vector<CassandraFlatMapBackend::LedgerObject> offers;
if (!cursor.isZero())
{
offers = backend.doBookOffers(bookBase, *sequence, cursor);
}
else
{
offers = backend.doBookOffers(bookBase, *sequence);
}
auto end = std::chrono::system_clock::now();
BOOST_LOG_TRIVIAL(warning) << "Time loading books from Postgres: "

22
reporting/ReportingBackend.h
View File

@@ -487,7 +487,7 @@ public:
query << "CREATE TABLE IF NOT EXISTS " << tableName << "books"
<< " ( book blob, sequence bigint, key blob, deleted_at "
"bigint, PRIMARY KEY "
"(book, key))";
"(book, key)) WITH CLUSTERING ORDER BY (key ASC)";
statement = makeStatement(query.str().c_str(), 0);
fut = cass_session_execute(session_.get(), statement);
rc = cass_future_error_code(fut);
@@ -810,8 +810,9 @@ public:
query = {};
query << "SELECT key FROM " << tableName << "books "
<< " WHERE book = ? AND sequence <= ? AND deleted_at > ? "
"ALLOW FILTERING";
<< " WHERE book = ? AND sequence <= ? AND deleted_at > ? AND"
" key > ? "
" ORDER BY key ASC LIMIT 300 ALLOW FILTERING";
prepare_future =
cass_session_prepare(session_.get(), query.str().c_str());
@@ -1242,7 +1243,10 @@ public:
}
std::vector<LedgerObject>
doBookOffers(ripple::uint256 const& book, uint32_t sequence) const
doBookOffers(
ripple::uint256 const& book,
uint32_t sequence,
ripple::uint256 const& cursor = {}) const
{
BOOST_LOG_TRIVIAL(debug) << "Starting doBookOffers";
CassStatement* statement = cass_prepared_bind(getBook_);
@@ -1277,7 +1281,17 @@ public:
<< ", " << cass_error_desc(rc);
return {};
}
rc = cass_statement_bind_bytes(
statement, 3, static_cast<cass_byte_t const*>(cursor.data()), 32);
if (rc != CASS_OK)
{
cass_statement_free(statement);
BOOST_LOG_TRIVIAL(error)
<< "Binding Cassandra book to doBookOffers query: " << rc
<< ", " << cass_error_desc(rc);
return {};
}
CassFuture* fut;
do
{