tx handler

2025-11-20 11:45:53 +00:00 · 2020-12-23 13:18:39 -05:00
parent 251c6f6c49
commit 943cac57ea
10 changed files with 314 additions and 37 deletions
--- a/handlers/Tx.cpp
+++ b/handlers/Tx.cpp
@@ -0,0 +1,69 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of rippled: https://github.com/ripple/rippled
+    Copyright (c) 2012-2014 Ripple Labs Inc.
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#include <handlers/RPCHelpers.h>
+#include <reporting/Pg.h>
+#include <reporting/ReportingBackend.h>
+
+// {
+//   transaction: <hex>
+// }
+
+boost::json::object
+doTx(
+    boost::json::object const& request,
+    CassandraFlatMapBackend const& backend,
+    std::shared_ptr<PgPool>& postgres)
+{
+    boost::json::object response;
+    if (!request.contains("transaction"))
+    {
+        response["error"] = "Please specify a transaction hash";
+        return response;
+    }
+    ripple::uint256 hash;
+    if (!hash.parseHex(request.at("transaction").as_string().c_str()))
+    {
+        response["error"] = "Error parsing transaction hash";
+        return response;
+    }
+
+    auto range = getLedgerRange(postgres);
+    if (!range)
+    {
+        response["error"] = "Database is empty";
+        return response;
+    }
+
+    auto dbResponse = backend.fetchTransaction(hash.data());
+    if (!dbResponse)
+    {
+        response["error"] = "Transaction not found in Cassandra";
+        response["ledger_range"] = std::to_string(range->lower()) + " - " +
+            std::to_string(range->upper());
+
+        return response;
+    }
+
+    auto [sttx, meta] = deserializeTxPlusMeta(dbResponse.value());
+    response["transaction"] = getJson(*sttx);
+    response["meta"] = getJson(*meta);
+    return response;
+}
+