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-rw-r--r--src/exchangedb/pg_get_coin_transactions.h26
1 files changed, 17 insertions, 9 deletions
diff --git a/src/exchangedb/pg_get_coin_transactions.h b/src/exchangedb/pg_get_coin_transactions.h
index d49b97bc6..c19df3874 100644
--- a/src/exchangedb/pg_get_coin_transactions.h
+++ b/src/exchangedb/pg_get_coin_transactions.h
@@ -27,23 +27,31 @@
/**
- * Compile a list of all (historic) transactions performed with the given coin
- * (/refresh/melt, /deposit, /refund and /recoup operations).
- * Should return 0 if @a etag is already current, otherwise
- * return the full history and update @a etag. @a etag
- * should be set to the last row ID of the given coin
- * in the coin history table.
+ * Compile a list of (historic) transactions performed with the given coin
+ * (melt, refund, recoup and deposit operations). Should return 0 if the @a
+ * coin_pub is unknown, otherwise determine @a etag_out and if it is past @a
+ * etag_in return the history after @a start_off. @a etag_out should be set
+ * to the last row ID of the given @a coin_pub in the coin history table.
*
- * @param cls the `struct PostgresClosure` with the plugin-specific state
+ * @param cls the @e cls of this struct with the plugin-specific state
* @param coin_pub coin to investigate
- * @param[in,out] etag known etag, updated to current etag * @param[out] tlp set to list of transactions, NULL if coin is fresh
+ * @param start_off starting offset from which on to return entries
+ * @param etag_in up to this offset the client already has a response, do not
+ * return anything unless @a etag_out will be larger
+ * @param[out] etag_out set to the latest history offset known for this @a coin_pub
+ * @param[out] tlp set to list of transactions, set to NULL if coin has no
+ * transaction history past @a start_off or if @a etag_in is equal
+ * to the value written to @a etag_out.
* @return database transaction status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_coin_transactions (
void *cls,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
- uint64_t *etag,
+ uint64_t start_off,
+ uint64_t etag_in,
+ uint64_t *etag_out,
struct TALER_EXCHANGEDB_TransactionList **tlp);
+
#endif