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deal with persisting wire/aggregation fee data in auditor

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This commit is contained in:
Christian Grothoff 2017-03-20 04:17:06 +01:00
parent 9fe8da0cc6
commit 73321daf5a
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GPG Key ID: 939E6BE1E29FC3CC
3 changed files with 291 additions and 27 deletions
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30
src/auditor/taler-auditor.c
View File

@ -1923,6 +1923,7 @@ analyze_aggregations (void *cls)
struct AggregationContext ac;
struct WirePlugin *wc;
struct WireFeeInfo *wfi;
int have_balance;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Analyzing aggregations\n");
@ -1931,7 +1932,16 @@ analyze_aggregations (void *cls)
ac.wire_tail = NULL;
ac.fee_head = NULL;
ac.fee_tail = NULL;
/* FIXME: load existing value from DB! */
have_balance = adb->get_wire_fee_summary (adb->cls,
asession,
&master_pub,
&ac.total_aggregation_fees);
if (GNUNET_SYSERR == have_balance)
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
if (GNUNET_NO == have_balance)
GNUNET_assert (GNUNET_OK ==
TALER_amount_get_zero (currency,
&ac.total_aggregation_fees));
@ -1966,9 +1976,23 @@ analyze_aggregations (void *cls)
GNUNET_break (0);
return GNUNET_SYSERR;
}
/* FIXME: store aggregation fee total to DB! */
if (GNUNET_NO == have_balance)
ac.ret = adb->insert_wire_fee_summary (adb->cls,
asession,
&master_pub,
&ac.total_aggregation_fees);
else
ac.ret = adb->update_wire_fee_summary (adb->cls,
asession,
&master_pub,
&ac.total_aggregation_fees);
if (GNUNET_OK != ac.ret)
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
report_aggregation_fee_balance (&ac.total_aggregation_fees);
return ac.ret;
return GNUNET_OK;
}

189
src/auditordb/plugin_auditordb_postgres.c
View File

@ -228,6 +228,8 @@ postgres_drop_tables (void *cls)
"DROP TABLE IF EXISTS denomination_pending;");
SQLEXEC_ (conn,
"DROP TABLE IF EXISTS auditor_reserve_balance;");
SQLEXEC_ (conn,
"DROP TABLE IF EXISTS auditor_wire_fee_balance;");
SQLEXEC_ (conn,
"DROP TABLE IF EXISTS auditor_reserves;");
SQLEXEC_ (conn,
@ -340,6 +342,15 @@ postgres_create_tables (void *cls)
",withdraw_fee_balance_curr VARCHAR("TALER_CURRENCY_LEN_STR") NOT NULL"
")");
/* Table with the sum of the balances of all wire fees
(by exchange's master public key) */
SQLEXEC ("CREATE TABLE IF NOT EXISTS auditor_wire_fee_balance"
"(master_pub BYTEA PRIMARY KEY CHECK (LENGTH(master_pub)=32)"
",wire_fee_balance_val INT8 NOT NULL"
",wire_fee_balance_frac INT4 NOT NULL"
",wire_fee_balance_curr VARCHAR("TALER_CURRENCY_LEN_STR") NOT NULL"
")");
/* Table with all of the outstanding denomination coins that the
exchange is aware of. "last_deposit_serial_id" marks the
deposit_serial_id from "deposits" about this denomination key
@ -686,6 +697,36 @@ postgres_prepare (PGconn *db_conn)
" WHERE master_pub=$1;",
1, NULL);
/* Used in #postgres_insert_wire_fee_summary() */
PREPARE ("auditor_wire_fee_balance_insert",
"INSERT INTO auditor_wire_fee_balance"
"(master_pub"
",wire_fee_balance_val"
",wire_fee_balance_frac"
",wire_fee_balance_curr"
") VALUES ($1,$2,$3,$4)",
4, NULL);
/* Used in #postgres_update_wire_fee_summary() */
PREPARE ("auditor_wire_fee_balance_update",
"UPDATE auditor_wire_fee_balance SET"
" wire_fee_balance_val=$1"
",wire_fee_balance_frac=$2"
",wire_fee_balance_curr=$3"
" WHERE master_pub=$4;",
4, NULL);
/* Used in #postgres_get_wire_fee_summary() */
PREPARE ("auditor_wire_fee_balance_select",
"SELECT"
" wire_fee_balance_val"
",wire_fee_balance_frac"
",wire_fee_balance_curr"
" FROM auditor_wire_fee_balance"
" WHERE master_pub=$1;",
1, NULL);
/* Used in #postgres_insert_denomination_balance() */
PREPARE ("denomination_pending_insert",
"INSERT INTO denomination_pending "
@ -1787,6 +1828,150 @@ postgres_get_reserve_summary (void *cls,
}
/**
* Insert information about exchange's wire fee balance. There must not be an
* existing record for the same @a master_pub.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param session connection to use
* @param master_pub master public key of the exchange
* @param wire_fee_balance amount the exchange gained in wire fees
* @return #GNUNET_OK on success; #GNUNET_SYSERR on failure
*/
static int
postgres_insert_wire_fee_summary (void *cls,
struct TALER_AUDITORDB_Session *session,
const struct TALER_MasterPublicKeyP *master_pub,
const struct TALER_Amount *wire_fee_balance)
{
PGresult *result;
int ret;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (master_pub),
TALER_PQ_query_param_amount (wire_fee_balance),
GNUNET_PQ_query_param_end
};
result = GNUNET_PQ_exec_prepared (session->conn,
"auditor_wire_fee_balance_insert",
params);
if (PGRES_COMMAND_OK != PQresultStatus (result))
{
ret = GNUNET_SYSERR;
BREAK_DB_ERR (result);
}
else
{
ret = GNUNET_OK;
}
PQclear (result);
return ret;
}
/**
* Insert information about exchange's wire fee balance. Destructively updates an
* existing record, which must already exist.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param session connection to use
* @param master_pub master public key of the exchange
* @param wire_fee_balance amount the exchange gained in wire fees
* @return #GNUNET_OK on success; #GNUNET_SYSERR on failure
*/
static int
postgres_update_wire_fee_summary (void *cls,
struct TALER_AUDITORDB_Session *session,
const struct TALER_MasterPublicKeyP *master_pub,
const struct TALER_Amount *wire_fee_balance)
{
PGresult *result;
int ret;
struct GNUNET_PQ_QueryParam params[] = {
TALER_PQ_query_param_amount (wire_fee_balance),
GNUNET_PQ_query_param_auto_from_type (master_pub),
GNUNET_PQ_query_param_end
};
result = GNUNET_PQ_exec_prepared (session->conn,
"auditor_wire_fee_balance_update",
params);
if (PGRES_COMMAND_OK != PQresultStatus (result))
{
ret = GNUNET_SYSERR;
BREAK_DB_ERR (result);
}
else
{
ret = GNUNET_OK;
}
PQclear (result);
return ret;
}
/**
* Get summary information about an exchanges wire fee balance.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param session connection to use
* @param master_pub master public key of the exchange
* @param[out] wire_fee_balance set amount the exchange gained in wire fees
* @return #GNUNET_OK on success; #GNUNET_NO if there is no known
* record about this exchange; #GNUNET_SYSERR on failure
*/
static int
postgres_get_wire_fee_summary (void *cls,
struct TALER_AUDITORDB_Session *session,
const struct TALER_MasterPublicKeyP *master_pub,
struct TALER_Amount *wire_fee_balance)
{
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (master_pub),
GNUNET_PQ_query_param_end
};
PGresult *result;
result = GNUNET_PQ_exec_prepared (session->conn,
"auditor_wire_fee_balance_select",
params);
if (PGRES_TUPLES_OK !=
PQresultStatus (result))
{
BREAK_DB_ERR (result);
PQclear (result);
return GNUNET_SYSERR;
}
int nrows = PQntuples (result);
if (0 == nrows)
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
"postgres_get_wire_fee_summary() returned 0 matching rows\n");
PQclear (result);
return GNUNET_NO;
}
GNUNET_assert (1 == nrows);
struct GNUNET_PQ_ResultSpec rs[] = {
TALER_PQ_result_spec_amount ("wire_fee_balance", wire_fee_balance),
GNUNET_PQ_result_spec_end
};
if (GNUNET_OK !=
GNUNET_PQ_extract_result (result, rs, 0))
{
GNUNET_break (0);
PQclear (result);
return GNUNET_SYSERR;
}
PQclear (result);
return GNUNET_OK;
}
/**
* Insert information about a denomination key's balances. There
* must not be an existing record for the denomination key.
@ -2727,6 +2912,10 @@ libtaler_plugin_auditordb_postgres_init (void *cls)
plugin->update_reserve_summary = &postgres_update_reserve_summary;
plugin->insert_reserve_summary = &postgres_insert_reserve_summary;
plugin->get_wire_fee_summary = &postgres_get_wire_fee_summary;
plugin->update_wire_fee_summary = &postgres_update_wire_fee_summary;
plugin->insert_wire_fee_summary = &postgres_insert_wire_fee_summary;
plugin->get_denomination_balance = &postgres_get_denomination_balance;
plugin->update_denomination_balance = &postgres_update_denomination_balance;
plugin->insert_denomination_balance = &postgres_insert_denomination_balance;

51
src/include/taler_auditordb_plugin.h
View File

@ -491,6 +491,57 @@ struct TALER_AUDITORDB_Plugin
struct TALER_Amount *withdraw_fee_balance);
/**
* Insert information about exchange's wire fee balance. There must not be an
* existing record for the same @a master_pub.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param session connection to use
* @param master_pub master public key of the exchange
* @param wire_fee_balance amount the exchange gained in wire fees
* @return #GNUNET_OK on success; #GNUNET_SYSERR on failure
*/
int
(*insert_wire_fee_summary)(void *cls,
struct TALER_AUDITORDB_Session *session,
const struct TALER_MasterPublicKeyP *master_pub,
const struct TALER_Amount *wire_fee_balance);
/**
* Insert information about exchange's wire fee balance. Destructively updates an
* existing record, which must already exist.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param session connection to use
* @param master_pub master public key of the exchange
* @param wire_fee_balance amount the exchange gained in wire fees
* @return #GNUNET_OK on success; #GNUNET_SYSERR on failure
*/
int
(*update_wire_fee_summary)(void *cls,
struct TALER_AUDITORDB_Session *session,
const struct TALER_MasterPublicKeyP *master_pub,
const struct TALER_Amount *wire_fee_balance);
/**
* Get summary information about an exchanges wire fee balance.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param session connection to use
* @param master_pub master public key of the exchange
* @param[out] wire_fee_balance set amount the exchange gained in wire fees
* @return #GNUNET_OK on success; #GNUNET_NO if there is no known
* record about this exchange; #GNUNET_SYSERR on failure
*/
int
(*get_wire_fee_summary)(void *cls,
struct TALER_AUDITORDB_Session *session,
const struct TALER_MasterPublicKeyP *master_pub,
struct TALER_Amount *wire_fee_balance);
/**
* Insert information about a denomination key's balances. There
* must not be an existing record for the denomination key.