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impliment book offers for async etl

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This commit is contained in:
Nathan Nichols
2021-05-06 23:07:52 -05:00
parent ee763ec1ea 20b8059151
commit ce49de4fee
12 changed files with 534 additions and 347 deletions
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15
handlers/BookOffers.cpp
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@@ -280,16 +280,16 @@ doBookOffers(
}
auto start = std::chrono::system_clock::now();
std::cout << "getting Book Offers" << std::endl;
auto [offers, retCursor] =
auto [offers, retCursor, warning] =
backend.fetchBookOffers(bookBase, *ledgerSequence, limit, cursor);
std::cout << "got Book Offers" << std::endl;
auto end = std::chrono::system_clock::now();
BOOST_LOG_TRIVIAL(warning) << "Time loading books from Postgres: "
BOOST_LOG_TRIVIAL(warning) << "Time loading books: "
<< ((end - start).count() / 1000000000.0);
if(warning)
response["warning"] = *warning;
response["offers"] = boost::json::value(boost::json::array_kind);
boost::json::array& jsonOffers = response.at("offers").as_array();
@@ -324,6 +324,11 @@ doBookOffers(
<< ((end - start).count() / 1000000000.0);
if (retCursor)
response["cursor"] = ripple::strHex(*retCursor);
if (warning)
response["warning"] =
"Periodic database update in progress. Data for this book as of "
"this ledger "
"may be incomplete. Data should be complete within one minute";
return response;
}

10
handlers/LedgerData.cpp
View File

@@ -100,6 +100,16 @@ doLedgerData(
response["num_results"] = results.size();
response["db_time"] = time;
response["time_per_result"] = time / (results.size() ? results.size() : 1);
if (page.warning)
{
response["warning"] =
"Periodic database update in progress. Data for this ledger may be "
"incomplete. Data should be complete "
"within a few minutes. Other RPC calls are not affected, "
"regardless of ledger. This "
"warning is only present on the first "
"page of the ledger";
}
return response;
}