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author | Christian Grothoff <christian@grothoff.org> | 2023-09-19 11:55:09 +0200 |
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committer | Christian Grothoff <christian@grothoff.org> | 2023-09-19 11:55:09 +0200 |
commit | 2afcc8c70202c10b71f98c9e4b9766ae08656459 (patch) | |
tree | 783a86d49188ee615f338d18793878dc398c522b /src/include/taler_exchangedb_plugin.h | |
parent | dfe576f9379954ab8164da7521bef930d3af3948 (diff) | |
download | exchange-2afcc8c70202c10b71f98c9e4b9766ae08656459.tar.xz |
complete coin history DB logic to properly handle new ETags
Diffstat (limited to 'src/include/taler_exchangedb_plugin.h')
-rw-r--r-- | src/include/taler_exchangedb_plugin.h | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/src/include/taler_exchangedb_plugin.h b/src/include/taler_exchangedb_plugin.h index cc71f7770..fc11a292f 100644 --- a/src/include/taler_exchangedb_plugin.h +++ b/src/include/taler_exchangedb_plugin.h @@ -4652,23 +4652,29 @@ struct TALER_EXCHANGEDB_Plugin /** - * Compile a list of all (historic) transactions performed - * with the given coin (melt, refund, recoup and deposit 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 @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 (*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); |