diff options
Diffstat (limited to 'src/exchangedb/pg_get_coin_transactions.h')
-rw-r--r-- | src/exchangedb/pg_get_coin_transactions.h | 26 |
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 |