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authorChristian Grothoff <christian@grothoff.org>2018-10-19 11:01:40 +0200
committerChristian Grothoff <christian@grothoff.org>2018-10-19 11:01:49 +0200
commitfb952babf67c41dedf3fac6b9d89eccf7fc10b2e (patch)
tree2194d42b483b70cb01acc7a36e6e6b9821720376 /src/include/taler_exchangedb_plugin.h
parent9114794bee49af5d7c38d7f69a31808e4dedb6b1 (diff)
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reduce redundant data fetch (#5444)
Diffstat (limited to 'src/include/taler_exchangedb_plugin.h')
-rw-r--r--src/include/taler_exchangedb_plugin.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/include/taler_exchangedb_plugin.h b/src/include/taler_exchangedb_plugin.h
index 580a628c6..ee58dd437 100644
--- a/src/include/taler_exchangedb_plugin.h
+++ b/src/include/taler_exchangedb_plugin.h
@@ -1607,6 +1607,23 @@ struct TALER_EXCHANGEDB_Plugin
/**
+ * Lookup noreveal index of a previous melt operation under the given
+ * @a rc.
+ *
+ * @param cls the `struct PostgresClosure` with the plugin-specific state
+ * @param session database handle to use
+ * @param rc commitment hash to use to locate the operation
+ * @param[out] refresh_melt where to store the result
+ * @return transaction status
+ */
+ enum GNUNET_DB_QueryStatus
+ (*get_melt_index) (void *cls,
+ struct TALER_EXCHANGEDB_Session *session,
+ const struct TALER_RefreshCommitmentP *rc,
+ uint32_t *noreveal_index);
+
+
+ /**
* Store in the database which coin(s) the wallet wanted to create
* in a given refresh operation and all of the other information
* we learned or created in the /refresh/reveal step.