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-rw-r--r--src/mint/taler-mint-dbinit.c285
1 files changed, 285 insertions, 0 deletions
diff --git a/src/mint/taler-mint-dbinit.c b/src/mint/taler-mint-dbinit.c
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+++ b/src/mint/taler-mint-dbinit.c
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+/*
+ This file is part of TALER
+ (C) 2014 Christian Grothoff (and other contributing authors)
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
+*/
+
+/**
+ * @file taler-mint-dbinit.c
+ * @brief Create tables for the mint database.
+ * @author Florian Dold
+ */
+
+#include "platform.h"
+#include <gnunet/gnunet_util_lib.h>
+#include <libpq-fe.h>
+#include "mint.h"
+
+
+#define break_db_err(result) do { \
+ GNUNET_break(0); \
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Database failure: %s\n", PQresultErrorMessage (result)); \
+ PQclear (result); \
+ } while (0)
+
+
+static char *mint_base_dir;
+static struct GNUNET_CONFIGURATION_Handle *cfg;
+static PGconn *db_conn;
+static char *TALER_MINT_db_connection_cfg_str;
+
+
+int
+TALER_MINT_init_withdraw_tables (PGconn *conn)
+{
+ PGresult *result;
+ result = PQexec (conn,
+ "CREATE TABLE IF NOT EXISTS reserves"
+ "("
+ " reserve_pub BYTEA PRIMARY KEY"
+ ",balance_value INT4 NOT NULL"
+ ",balance_fraction INT4 NOT NULL"
+ ",balance_currency VARCHAR(4) NOT NULL"
+ ",status_sig BYTEA"
+ ",status_sign_pub BYTEA"
+ ",expiration_date INT8 NOT NULL"
+ ")");
+ if (PGRES_COMMAND_OK != PQresultStatus(result))
+ {
+ break_db_err (result);
+ return GNUNET_SYSERR;
+ }
+ PQclear (result);
+
+ result = PQexec (conn,
+ "CREATE TABLE IF NOT EXISTS collectable_blindcoins"
+ "("
+ "blind_ev BYTEA PRIMARY KEY"
+ ",blind_ev_sig BYTEA NOT NULL"
+ ",denom_pub BYTEA NOT NULL"
+ ",reserve_sig BYTEA NOT NULL"
+ ",reserve_pub BYTEA NOT NULL REFERENCES reserves (reserve_pub)"
+ ")");
+ if (PGRES_COMMAND_OK != PQresultStatus(result))
+ {
+ break_db_err (result);
+ return GNUNET_SYSERR;
+ }
+ PQclear (result);
+
+ result = PQexec (conn,
+ "CREATE TABLE IF NOT EXISTS known_coins "
+ "("
+ " coin_pub BYTEA NOT NULL PRIMARY KEY"
+ ",denom_pub BYTEA NOT NULL"
+ ",denom_sig BYTEA NOT NULL"
+ ",expended_value INT4 NOT NULL"
+ ",expended_fraction INT4 NOT NULL"
+ ",expended_currency VARCHAR(4) NOT NULL"
+ ",refresh_session_pub BYTEA"
+ ")");
+ if (PGRES_COMMAND_OK != PQresultStatus(result))
+ {
+ break_db_err (result);
+ return GNUNET_SYSERR;
+ }
+ PQclear (result);
+
+ result = PQexec (conn,
+ "CREATE TABLE IF NOT EXISTS refresh_sessions "
+ "("
+ " session_pub BYTEA PRIMARY KEY CHECK (length(session_pub) = 32)"
+ ",session_melt_sig BYTEA"
+ ",session_commit_sig BYTEA"
+ ",noreveal_index INT2 NOT NULL"
+ // non-zero if all reveals were ok
+ // and the new coin signatures are ready
+ ",reveal_ok BOOLEAN NOT NULL DEFAULT false"
+ ") ");
+ if (PGRES_COMMAND_OK != PQresultStatus(result))
+ {
+ break_db_err (result);
+ return GNUNET_SYSERR;
+ }
+ PQclear (result);
+
+ result = PQexec (conn,
+ "CREATE TABLE IF NOT EXISTS refresh_order "
+ "( "
+ " session_pub BYTEA NOT NULL REFERENCES refresh_sessions (session_pub)"
+ ",newcoin_index INT2 NOT NULL "
+ ",denom_pub BYTEA NOT NULL "
+ ",PRIMARY KEY (session_pub, newcoin_index)"
+ ") ");
+
+ if (PGRES_COMMAND_OK != PQresultStatus(result))
+ {
+ break_db_err (result);
+ return GNUNET_SYSERR;
+ }
+ PQclear (result);
+
+
+ result = PQexec (conn,
+ "CREATE TABLE IF NOT EXISTS refresh_commit_link"
+ "("
+ " session_pub BYTEA NOT NULL REFERENCES refresh_sessions (session_pub)"
+ ",transfer_pub BYTEA NOT NULL"
+ ",link_secret_enc BYTEA NOT NULL"
+ // index of the old coin in the customer's request
+ ",oldcoin_index INT2 NOT NULL"
+ // index for cut and choose,
+ // ranges from 0 to kappa-1
+ ",cnc_index INT2 NOT NULL"
+ ")");
+
+ if (PGRES_COMMAND_OK != PQresultStatus(result))
+ {
+ break_db_err (result);
+ return GNUNET_SYSERR;
+ }
+ PQclear (result);
+
+ result = PQexec (conn,
+ "CREATE TABLE IF NOT EXISTS refresh_commit_coin"
+ "("
+ " session_pub BYTEA NOT NULL REFERENCES refresh_sessions (session_pub) "
+ ",link_vector_enc BYTEA NOT NULL"
+ // index of the new coin in the customer's request
+ ",newcoin_index INT2 NOT NULL"
+ // index for cut and choose,
+ ",cnc_index INT2 NOT NULL"
+ ",coin_ev BYTEA NOT NULL"
+ ")");
+
+ if (PGRES_COMMAND_OK != PQresultStatus(result))
+ {
+ break_db_err (result);
+ return GNUNET_SYSERR;
+ }
+ PQclear (result);
+
+ result = PQexec (conn,
+ "CREATE TABLE IF NOT EXISTS refresh_melt"
+ "("
+ " session_pub BYTEA NOT NULL REFERENCES refresh_sessions (session_pub) "
+ ",coin_pub BYTEA NOT NULL REFERENCES known_coins (coin_pub) "
+ ",denom_pub BYTEA NOT NULL "
+ ",oldcoin_index INT2 NOT NULL"
+ ")");
+
+ if (PGRES_COMMAND_OK != PQresultStatus(result))
+ {
+ break_db_err (result);
+ return GNUNET_SYSERR;
+ }
+ PQclear (result);
+
+ result = PQexec (conn,
+ "CREATE TABLE IF NOT EXISTS refresh_collectable"
+ "("
+ " session_pub BYTEA NOT NULL REFERENCES refresh_sessions (session_pub) "
+ ",ev_sig BYTEA NOT NULL"
+ ",newcoin_index INT2 NOT NULL"
+ ")");
+
+ if (PGRES_COMMAND_OK != PQresultStatus(result))
+ {
+ break_db_err (result);
+ return GNUNET_SYSERR;
+ }
+ PQclear (result);
+
+ result = PQexec (conn,
+ "CREATE TABLE IF NOT EXISTS deposits "
+ "( "
+ " coin_pub BYTEA NOT NULL PRIMARY KEY CHECK (length(coin_pub)=32)"
+ ",denom_pub BYTEA NOT NULL CHECK (length(denom_pub)=32)"
+ ",transaction_id INT8 NOT NULL"
+ ",amount_currency VARCHAR(4) NOT NULL"
+ ",amount_value INT4 NOT NULL"
+ ",amount_fraction INT4 NOT NULL"
+ ",merchant_pub BYTEA NOT NULL"
+ ",h_contract BYTEA NOT NULL CHECK (length(h_contract)=64)"
+ ",h_wire BYTEA NOT NULL CHECK (length(h_wire)=64)"
+ ",coin_sig BYTEA NOT NULL CHECK (length(coin_sig)=64)"
+ ",wire TEXT NOT NULL"
+ ")");
+
+ if (PGRES_COMMAND_OK != PQresultStatus(result))
+ {
+ break_db_err (result);
+ return GNUNET_SYSERR;
+ }
+ PQclear (result);
+
+ return GNUNET_OK;
+}
+
+
+/**
+ * The main function of the serve tool
+ *
+ * @param argc number of arguments from the command line
+ * @param argv command line arguments
+ * @return 0 ok, 1 on error
+ */
+int
+main (int argc, char *const *argv)
+{
+ static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+ GNUNET_GETOPT_OPTION_HELP ("gnunet-mint-keyup OPTIONS"),
+ {'d', "mint-dir", "DIR",
+ "mint directory", 1,
+ &GNUNET_GETOPT_set_filename, &mint_base_dir},
+ GNUNET_GETOPT_OPTION_END
+ };
+
+ if (GNUNET_GETOPT_run ("taler-mint-serve", options, argc, argv) < 0)
+ return 1;
+
+ GNUNET_assert (GNUNET_OK == GNUNET_log_setup ("taler-mint-dbinit", "INFO", NULL));
+
+ if (NULL == mint_base_dir)
+ {
+ fprintf (stderr, "Mint base directory not given.\n");
+ return 1;
+ }
+
+ cfg = TALER_MINT_config_load (mint_base_dir);
+ if (NULL == cfg)
+ {
+ fprintf (stderr, "Can't load mint configuration.\n");
+ return 1;
+ }
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, "mint", "db", &TALER_MINT_db_connection_cfg_str))
+ {
+ fprintf (stderr, "Configuration 'mint.db' not found.\n");
+ return 42;
+ }
+ db_conn = PQconnectdb (TALER_MINT_db_connection_cfg_str);
+ if (CONNECTION_OK != PQstatus (db_conn))
+ {
+ fprintf (stderr, "Database connection failed: %s\n", PQerrorMessage (db_conn));
+ return 1;
+ }
+
+ if (GNUNET_OK != TALER_MINT_init_withdraw_tables (db_conn))
+ {
+ fprintf (stderr, "Failed to initialize database.\n");
+ return 1;
+ }
+
+ return 0;
+}
+