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WiP: age-withdraw, finished reveal-request, 10/n

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- /age-withdraw/$ACH/reveal handler now fully implemented
- for consistency with api: rename of tables from withdraw_age_... to
  age_withdraw
This commit is contained in:
Özgür Kesim 2023-05-01 14:05:58 +02:00
parent af3c92f9d5
commit 1a63275d98
Signed by: oec
GPG Key ID: 3D76A56D79EDD9D7
12 changed files with 304 additions and 163 deletions
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157
src/exchange/taler-exchange-httpd_age-withdraw_reveal.c
View File

@ -22,6 +22,8 @@
#include <gnunet/gnunet_util_lib.h>
#include <jansson.h>
#include <microhttpd.h>
#include "taler-exchange-httpd_metrics.h"
#include "taler_exchangedb_plugin.h"
#include "taler_mhd_lib.h"
#include "taler-exchange-httpd_mhd.h"
#include "taler-exchange-httpd_age-withdraw_reveal.h"
@ -387,12 +389,10 @@ denomination_is_valid (
struct TEH_DenominationKey *dks,
MHD_RESULT *result)
{
dks = TEH_keys_denomination_by_hash2 (
ksh,
dks = TEH_keys_denomination_by_hash2 (ksh,
denom_h,
connection,
result);
if (NULL == dks)
{
/* The denomination doesn't exist */
@ -784,6 +784,43 @@ verify_commitment_and_max_age (
}
/**
* @brief Send a response for "/age-withdraw/$RCH/reveal"
*
* @param connection The http connection to the client to send the reponse to
* @param num_coins Number of new coins with age restriction for which we reveal data
* @param awrcs array of @a num_coins signatures revealed
* @return a MHD result code
*/
static MHD_RESULT
reply_age_withdraw_reveal_success (
struct MHD_Connection *connection,
unsigned int num_coins,
const struct TALER_EXCHANGEDB_AgeWithdrawRevealedCoin *awrcs)
{
json_t *list = json_array ();
GNUNET_assert (NULL != list);
for (unsigned int index = 0;
index < num_coins;
index++)
{
json_t *obj = GNUNET_JSON_PACK (
TALER_JSON_pack_blinded_denom_sig ("ev_sig",
&awrcs[index].coin_sig));
GNUNET_assert (0 ==
json_array_append_new (list,
obj));
}
return TALER_MHD_REPLY_JSON_PACK (
connection,
MHD_HTTP_OK,
GNUNET_JSON_pack_array_steal ("ev_sigs",
list));
}
/**
* @brief Signs and persists the undisclosed coins
*
@ -796,7 +833,7 @@ verify_commitment_and_max_age (
* @return GNUNET_OK on success, GNUNET_SYSERR otherwise
*/
static enum GNUNET_GenericReturnValue
finalize_age_withdraw_and_sign (
sign_and_finalize_age_withdraw (
struct MHD_Connection *connection,
const struct TALER_AgeWithdrawCommitmentHashP *h_commitment,
const uint32_t num_coins,
@ -806,7 +843,9 @@ finalize_age_withdraw_and_sign (
{
enum GNUNET_GenericReturnValue ret = GNUNET_SYSERR;
struct TEH_CoinSignData csds[num_coins];
struct TALER_BlindedDenominationSignature bss[num_coins];
struct TALER_BlindedDenominationSignature bds[num_coins];
struct TALER_EXCHANGEDB_AgeWithdrawRevealedCoin awrcs[num_coins];
enum GNUNET_DB_QueryStatus qs;
for (uint32_t i = 0; i<num_coins; i++)
{
@ -814,13 +853,13 @@ finalize_age_withdraw_and_sign (
csds[i].bp = &coin_evs[i];
}
/* First, sign the the blinded coins */
/* Sign the the blinded coins first */
{
enum TALER_ErrorCode ec;
ec = TEH_keys_denomination_batch_sign (csds,
num_coins,
false,
bss);
bds);
if (TALER_EC_NONE != ec)
{
GNUNET_break (0);
@ -831,12 +870,104 @@ finalize_age_withdraw_and_sign (
}
}
/* TODO[oec]:
* - in a transaction: save the coins.
* - add signature response
*/
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Signatures ready, starting DB interaction\n");
#pragma message "FIXME[oec]: implement finalize_age_withdraw_and_sign"
/* Prepare the data for insertion */
for (uint32_t i = 0; i<num_coins; i++)
{
TALER_coin_ev_hash (&coin_evs[i],
csds[i].h_denom_pub,
&awrcs[i].h_coin_ev);
awrcs[i].h_denom_pub = *csds[i].h_denom_pub;
awrcs[i].coin_sig = bds[i];
}
/* Persist operation result in DB, transactionally */
for (unsigned int r = 0; r < MAX_TRANSACTION_COMMIT_RETRIES; r++)
{
bool changed = false;
/* Transaction start */
if (GNUNET_OK !=
TEH_plugin->start (TEH_plugin->cls,
"insert_age_withdraw_reveal batch"))
{
GNUNET_break (0);
ret = TALER_MHD_reply_with_error (connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
TALER_EC_GENERIC_DB_START_FAILED,
NULL);
goto cleanup;
}
qs = TEH_plugin->insert_age_withdraw_reveal (TEH_plugin->cls,
h_commitment,
num_coins,
awrcs);
if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
{
TEH_plugin->rollback (TEH_plugin->cls);
continue;
}
else if (GNUNET_DB_STATUS_HARD_ERROR == qs)
{
GNUNET_break (0);
TEH_plugin->rollback (TEH_plugin->cls);
ret = TALER_MHD_reply_with_error (connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
TALER_EC_GENERIC_DB_STORE_FAILED,
"insert_age_withdraw_reveal");
goto cleanup;
}
changed = (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qs);
/* Commit the transaction */
qs = TEH_plugin->commit (TEH_plugin->cls);
if (qs >= 0)
{
if (changed)
TEH_METRICS_num_success[TEH_MT_SUCCESS_AGE_WITHDRAW_REVEAL]++;
break; /* success */
}
else if (GNUNET_DB_STATUS_HARD_ERROR == qs)
{
GNUNET_break (0);
TEH_plugin->rollback (TEH_plugin->cls);
ret = TALER_MHD_reply_with_error (connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
TALER_EC_GENERIC_DB_COMMIT_FAILED,
NULL);
goto cleanup;
}
else
{
TEH_plugin->rollback (TEH_plugin->cls);
}
} /* end of retry */
if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
{
GNUNET_break (0);
TEH_plugin->rollback (TEH_plugin->cls);
ret = TALER_MHD_reply_with_error (connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
TALER_EC_GENERIC_DB_SOFT_FAILURE,
NULL);
goto cleanup;
}
/* Generate final (positive) response */
ret = reply_age_withdraw_reveal_success (connection,
num_coins,
awrcs);
cleanup:
// TODO[oec]: handle error cases
// TODO[oec]: cleanup!
return ret;
}
@ -922,7 +1053,7 @@ TEH_handler_age_withdraw_reveal (
break;
/* Finally, sign and persist the coins */
if (GNUNET_OK != finalize_age_withdraw_and_sign (
if (GNUNET_OK != sign_and_finalize_age_withdraw (
rc->connection,
&actx.commitment.h_commitment,
actx.num_coins,

3
src/exchange/taler-exchange-httpd_metrics.h
View File

@ -61,7 +61,8 @@ enum TEH_MetricTypeSuccess
TEH_MT_SUCCESS_BATCH_WITHDRAW = 3,
TEH_MT_SUCCESS_MELT = 4,
TEH_MT_SUCCESS_REFRESH_REVEAL = 5,
TEH_MT_SUCCESS_COUNT = 6 /* MUST BE LAST! */
TEH_MT_SUCCESS_AGE_WITHDRAW_REVEAL = 6,
TEH_MT_SUCCESS_COUNT = 7 /* MUST BE LAST! */
};
/**

10
src/exchange/taler-exchange-httpd_refreshes_reveal.c
View File

@ -773,12 +773,17 @@ clean_age:
NULL);
goto cleanup;
}
for (unsigned int i = 0; i<rctx->num_fresh_coins; i++)
{
rrcs[i].coin_sig = bss[i];
rrcs[i].blinded_planchet = rcds[i].blinded_planchet;
}
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Signatures ready, starting DB interaction\n");
for (unsigned int r = 0; r<MAX_TRANSACTION_COMMIT_RETRIES; r++)
{
bool changed;
@ -795,12 +800,7 @@ clean_age:
NULL);
goto cleanup;
}
for (unsigned int i = 0; i<rctx->num_fresh_coins; i++)
{
struct TALER_EXCHANGEDB_RefreshRevealedCoin *rrc = &rrcs[i];
rrc->blinded_planchet = rcds[i].blinded_planchet;
}
qs = TEH_plugin->insert_refresh_reveal (
TEH_plugin->cls,
melt_serial_id,

54
src/exchangedb/0003-withdraw_age_commitments.sql → src/exchangedb/0003-age_withdraw_commitments.sql
View File

@ -14,24 +14,24 @@
-- TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
--
CREATE FUNCTION create_table_withdraw_age_commitments(
CREATE FUNCTION create_table_age_withdraw_commitments(
IN partition_suffix VARCHAR DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR DEFAULT 'withdraw_age_commitments';
table_name VARCHAR DEFAULT 'age_withdraw_commitments';
BEGIN
PERFORM create_partitioned_table(
'CREATE TABLE %I'
'(withdraw_age_commitment_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
',h_commitment BYTEA PRIMARY KEY CHECK (LENGTH(h_commitment)=64)'
'(age_withdraw_commitment_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
',h_commitment BYTEA CHECK (LENGTH(h_commitment)=64)'
',amount_with_fee_val INT8 NOT NULL'
',amount_with_fee_frac INT4 NOT NULL'
',max_age INT2 NOT NULL'
',reserve_pub BYTEA NOT NULL CHECK (LENGTH(reserve_pub)=32)'
',reserve_sig BYTEA CHECK (LENGTH(reserve_sig)=64)'
',reserve_pub BYTEA CHECK (LENGTH(reserve_pub)=32)'
',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)'
',noreveal_index INT4 NOT NULL'
') %s ;'
,table_name
@ -77,42 +77,46 @@ END
$$;
CREATE FUNCTION constrain_table_withdraw_age_commitments(
CREATE FUNCTION constrain_table_age_withdraw_commitments(
IN partition_suffix VARCHAR
)
RETURNS void
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR DEFAULT 'withdraw_age_commitments';
table_name VARCHAR DEFAULT 'age_withdraw_commitments';
BEGIN
table_name = concat_ws('_', table_name, partition_suffix);
EXECUTE FORMAT (
'ALTER TABLE ' || table_name ||
' ADD PRIMARY KEY (h_commitment, reserve_pub);'
' ADD PRIMARY KEY (h_commitment);'
);
EXECUTE FORMAT (
'ALTER TABLE ' || table_name ||
' ADD CONSTRAINT ' || table_name || '_withdraw_age_commitment_id_key'
' UNIQUE (withdraw_age_commitment_id);'
' ADD CONSTRAINT ' || table_name || '_h_commitment_reserve_pub_key'
' UNIQUE (h_commitment, reserve_pub);'
);
EXECUTE FORMAT (
'ALTER TABLE ' || table_name ||
' ADD CONSTRAINT ' || table_name || '_age_withdraw_commitment_id_key'
' UNIQUE (age_withdraw_commitment_id);'
);
END
$$;
CREATE FUNCTION foreign_table_withdraw_age_commitments()
CREATE FUNCTION foreign_table_age_withdraw_commitments()
RETURNS void
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR DEFAULT 'withdraw_age_commitments';
table_name VARCHAR DEFAULT 'age_withdraw_commitments';
BEGIN
EXECUTE FORMAT (
'ALTER TABLE ' || table_name ||
' ADD CONSTRAINT ' || table_name || '_foreign_reserve_pub'
' FOREIGN KEY (reserve_pub)'
' REFERENCES reserves (reserve_pub) ON DELETE CASCADE;'
' REFERENCES reserves(reserve_pub) ON DELETE CASCADE;'
);
END
$$;
@ -124,19 +128,7 @@ INSERT INTO exchange_tables
,action
,partitioned
,by_range)
VALUES
('withdraw_age_commitments'
,'exchange-0003'
,'create'
,TRUE
,FALSE),
('withdraw_age_commitments'
,'exchange-0003'
,'constrain'
,TRUE
,FALSE),
('withdraw_age_commitments'
,'exchange-0003'
,'foreign'
,TRUE
,FALSE);
VALUES
('age_withdraw_commitments', 'exchange-0003', 'create', TRUE ,FALSE),
('age_withdraw_commitments', 'exchange-0003', 'constrain',TRUE ,FALSE),
('age_withdraw_commitments', 'exchange-0003', 'foreign', TRUE ,FALSE);

33
src/exchangedb/0003-withdraw_age_reveals.sql → src/exchangedb/0003-age_withdraw_reveals.sql
View File

@ -14,25 +14,24 @@
-- TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
--
CREATE FUNCTION create_table_withdraw_age_revealed_coins(
CREATE FUNCTION create_table_age_withdraw_revealed_coins(
IN partition_suffix VARCHAR DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR DEFAULT 'withdraw_age_revealed_coins';
table_name VARCHAR DEFAULT 'age_withdraw_revealed_coins';
BEGIN
PERFORM create_partitioned_table(
'CREATE TABLE %I'
'(withdraw_age_revealed_coins_id BIGINT GENERATED BY DEFAULT AS IDENTITY' -- UNIQUE
'(age_withdraw_revealed_coins_id BIGINT GENERATED BY DEFAULT AS IDENTITY' -- UNIQUE
',h_commitment BYTEA NOT NULL CHECK (LENGTH(h_commitment)=64)'
',freshcoin_index INT4 NOT NULL'
',denominations_serial INT8 NOT NULL'
',coin_ev BYTEA NOT NULL'
',h_coin_ev BYTEA CHECK (LENGTH(h_coin_ev)=64)'
',ev_sig BYTEA NOT NULL'
',ewv BYTEA NOT NULL'
') %s ;'
,table_name
,'PARTITION BY HASH (h_commitment)'
@ -79,30 +78,24 @@ BEGIN
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'Exchange contributed values in the creation of the fresh coin (see /csr)'
,'ewv'
,table_name
,partition_suffix
);
END
$$;
CREATE FUNCTION constrain_table_withdraw_age_revealed_coins(
CREATE FUNCTION constrain_table_age_withdraw_revealed_coins(
IN partition_suffix VARCHAR
)
RETURNS void
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR DEFAULT 'withdraw_age_revealed_coins';
table_name VARCHAR DEFAULT 'age_withdraw_revealed_coins';
BEGIN
table_name = concat_ws('_', table_name, partition_suffix);
EXECUTE FORMAT (
'ALTER TABLE ' || table_name ||
' ADD CONSTRAINT ' || table_name || '_withdraw_age_revealed_coins_id_key'
' UNIQUE (withdraw_age_revealed_coins_id);'
' ADD CONSTRAINT ' || table_name || '_age_withdraw_revealed_coins_id_key'
' UNIQUE (age_withdraw_revealed_coins_id);'
);
EXECUTE FORMAT (
'ALTER TABLE ' || table_name ||
@ -112,18 +105,18 @@ BEGIN
END
$$;
CREATE FUNCTION foreign_table_withdraw_age_revealed_coins()
CREATE FUNCTION foreign_table_age_withdraw_revealed_coins()
RETURNS void
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR DEFAULT 'withdraw_age_revealed_coins';
table_name VARCHAR DEFAULT 'age_withdraw_revealed_coins';
BEGIN
EXECUTE FORMAT (
'ALTER TABLE ' || table_name ||
' ADD CONSTRAINT ' || table_name || '_foreign_h_commitment'
' FOREIGN KEY (h_commitment)'
' REFERENCES withdraw_age_commitments (h_commitment) ON DELETE CASCADE;'
' REFERENCES age_withdraw_commitments (h_commitment) ON DELETE CASCADE;'
);
EXECUTE FORMAT (
'ALTER TABLE ' || table_name ||
@ -142,17 +135,17 @@ INSERT INTO exchange_tables
,partitioned
,by_range)
VALUES
('withdraw_age_revealed_coins'
('age_withdraw_revealed_coins'
,'exchange-0003'
,'create'
,TRUE
,FALSE),
('withdraw_age_revealed_coins'
('age_withdraw_revealed_coins'
,'exchange-0003'
,'constrain'
,TRUE
,FALSE),
('withdraw_age_revealed_coins'
('age_withdraw_revealed_coins'
,'exchange-0003'
,'foreign'
,TRUE

2
src/exchangedb/exchange-0003.sql.in
View File

@ -25,6 +25,8 @@ SET search_path TO exchange;
#include "0003-aml_status.sql"
#include "0003-aml_staff.sql"
#include "0003-aml_history.sql"
#include "0003-age_withdraw_commitments.sql"
#include "0003-age_withdraw_reveals.sql"
COMMIT;

2
src/exchangedb/pg_get_age_withdraw_info.c
View File

@ -69,7 +69,7 @@ TEH_PG_get_age_withdraw_info (
",amount_with_fee_val"
",amount_with_fee_frac"
",noreveal_index"
" FROM withdraw_age_commitments"
" FROM age_withdraw_commitments"
" WHERE reserve_pub=$1 and h_commitment=$2;");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"get_age_withdraw_info",

4
src/exchangedb/pg_insert_age_withdraw_reveal.c
View File

@ -42,8 +42,8 @@ TEH_PG_insert_age_withdraw_reveal (
/* TODO */
#if 0
PREPARE (pg,
"insert_withdraw_age_revealed_coin",
"INSERT INTO withdraw_age_reveals "
"insert_age_withdraw_revealed_coin",
"INSERT INTO age_withdraw_reveals "
"(h_commitment "
",freshcoin_index "
",denominations_serial "

60
src/exchangedb/pg_insert_records_by_table.c
View File

@ -2062,39 +2062,39 @@ irbt_cb_table_purse_deletion (struct PostgresClosure *pg,
/**
* Function called with withdraw_age_commitments records to insert into table.
* Function called with age_withdraw_commitments records to insert into table.
*
* @param pg plugin context
* @param td record to insert
*/
static enum GNUNET_DB_QueryStatus
irbt_cb_table_withdraw_age_commitments (struct PostgresClosure *pg,
irbt_cb_table_age_withdraw_commitments (struct PostgresClosure *pg,
const struct
TALER_EXCHANGEDB_TableData *td)
{
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_uint64 (&td->serial),
GNUNET_PQ_query_param_auto_from_type (
&td->details.withdraw_age_commitments.h_commitment),
&td->details.age_withdraw_commitments.h_commitment),
TALER_PQ_query_param_amount (
&td->details.withdraw_age_commitments.amount_with_fee),
&td->details.age_withdraw_commitments.amount_with_fee),
GNUNET_PQ_query_param_uint16 (
&td->details.withdraw_age_commitments.max_age),
&td->details.age_withdraw_commitments.max_age),
GNUNET_PQ_query_param_auto_from_type (
&td->details.withdraw_age_commitments.reserve_pub),
&td->details.age_withdraw_commitments.reserve_pub),
GNUNET_PQ_query_param_auto_from_type (
&td->details.withdraw_age_commitments.reserve_sig),
&td->details.age_withdraw_commitments.reserve_sig),
GNUNET_PQ_query_param_uint32 (
&td->details.withdraw_age_commitments.noreveal_index),
&td->details.age_withdraw_commitments.noreveal_index),
GNUNET_PQ_query_param_absolute_time (
&td->details.withdraw_age_commitments.timestamp),
&td->details.age_withdraw_commitments.timestamp),
GNUNET_PQ_query_param_end
};
PREPARE (pg,
"insert_into_table_withdraw_age_commitments",
"INSERT INTO withdraw_age_commitments"
"(withdraw_age_commitment_id"
"insert_into_table_age_withdraw_commitments",
"INSERT INTO age_withdraw_commitments"
"(age_withdraw_commitment_id"
",h_commitment"
",amount_with_fee_val"
",amount_with_fee_frac"
@ -2106,19 +2106,19 @@ irbt_cb_table_withdraw_age_commitments (struct PostgresClosure *pg,
") VALUES "
"($1, $2, $3, $4, $5, $6, $7, $8, $9);");
return GNUNET_PQ_eval_prepared_non_select (pg->conn,
"insert_into_table_withdraw_age_commitments",
"insert_into_table_age_withdraw_commitments",
params);
}
/**
* Function called with withdraw_age_revealed_coins records to insert into table.
* Function called with age_withdraw_revealed_coins records to insert into table.
*
* @param pg plugin context
* @param td record to insert
*/
static enum GNUNET_DB_QueryStatus
irbt_cb_table_withdraw_age_revealed_coins (struct PostgresClosure *pg,
irbt_cb_table_age_withdraw_revealed_coins (struct PostgresClosure *pg,
const struct
TALER_EXCHANGEDB_TableData *td)
{
@ -2126,26 +2126,26 @@ irbt_cb_table_withdraw_age_revealed_coins (struct PostgresClosure *pg,
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_uint64 (&td->serial),
GNUNET_PQ_query_param_auto_from_type (
&td->details.withdraw_age_revealed_coins.h_commitment),
&td->details.age_withdraw_revealed_coins.h_commitment),
GNUNET_PQ_query_param_uint32 (
&td->details.withdraw_age_revealed_coins.freshcoin_index),
&td->details.age_withdraw_revealed_coins.freshcoin_index),
GNUNET_PQ_query_param_uint64 (
&td->details.withdraw_age_revealed_coins.denominations_serial),
&td->details.age_withdraw_revealed_coins.denominations_serial),
GNUNET_PQ_query_param_fixed_size (
td->details.withdraw_age_revealed_coins.coin_ev,
td->details.withdraw_age_revealed_coins.coin_ev_size),
td->details.age_withdraw_revealed_coins.coin_ev,
td->details.age_withdraw_revealed_coins.coin_ev_size),
GNUNET_PQ_query_param_auto_from_type (&h_coin_ev),
TALER_PQ_query_param_blinded_denom_sig (
&td->details.withdraw_age_revealed_coins.ev_sig),
&td->details.age_withdraw_revealed_coins.ev_sig),
TALER_PQ_query_param_exchange_withdraw_values (
&td->details.withdraw_age_revealed_coins.ewv),
&td->details.age_withdraw_revealed_coins.ewv),
GNUNET_PQ_query_param_end
};
PREPARE (pg,
"insert_into_table_withdraw_age_revealed_coins",
"INSERT INTO withdraw_age_revealed_coins"
"(withdraw_age_revealed_coins_id"
"insert_into_table_age_withdraw_revealed_coins",
"INSERT INTO age_withdraw_revealed_coins"
"(age_withdraw_revealed_coins_id"
",h_commitment"
",freshcoin_index"
",denominations_serial"
@ -2156,12 +2156,12 @@ irbt_cb_table_withdraw_age_revealed_coins (struct PostgresClosure *pg,
") VALUES "
"($1, $2, $3, $4, $5, $6, $7, $8);");
GNUNET_CRYPTO_hash (td->details.withdraw_age_revealed_coins.coin_ev,
td->details.withdraw_age_revealed_coins.coin_ev_size,
GNUNET_CRYPTO_hash (td->details.age_withdraw_revealed_coins.coin_ev,
td->details.age_withdraw_revealed_coins.coin_ev_size,
&h_coin_ev);
return GNUNET_PQ_eval_prepared_non_select (pg->conn,
"insert_into_table_withdraw_age_revealed_coins",
"insert_into_table_age_withdraw_revealed_coins",
params);
}
@ -2314,10 +2314,10 @@ TEH_PG_insert_records_by_table (void *cls,
rh = &irbt_cb_table_purse_deletion;
break;
case TALER_EXCHANGEDB_RT_WITHDRAW_AGE_COMMITMENTS:
rh = &irbt_cb_table_withdraw_age_commitments;
rh = &irbt_cb_table_age_withdraw_commitments;
break;
case TALER_EXCHANGEDB_RT_WITHDRAW_AGE_REVEALED_COINS:
rh = &irbt_cb_table_withdraw_age_revealed_coins;
rh = &irbt_cb_table_age_withdraw_revealed_coins;
break;
}
if (NULL == rh)

58
src/exchangedb/pg_lookup_records_by_table.c
View File

@ -2767,14 +2767,14 @@ lrbt_cb_table_purse_deletion (void *cls,
/**
* Function called with withdraw_age_commitments table entries.
* Function called with age_withdraw_commitments table entries.
*
* @param cls closure
* @param result the postgres result
* @param num_results the number of results in @a result
*/
static void
lrbt_cb_table_withdraw_age_commitments (void *cls,
lrbt_cb_table_age_withdraw_commitments (void *cls,
PGresult *result,
unsigned int num_results)
{
@ -2788,26 +2788,26 @@ lrbt_cb_table_withdraw_age_commitments (void *cls,
{
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_uint64 (
"withdraw_age_commitment_id",
"age_withdraw_commitment_id",
&td.serial),
GNUNET_PQ_result_spec_auto_from_type (
"h_commitment",
&td.details.withdraw_age_commitments.h_commitment),
&td.details.age_withdraw_commitments.h_commitment),
GNUNET_PQ_result_spec_uint16 (
"max_age",
&td.details.withdraw_age_commitments.max_age),
&td.details.age_withdraw_commitments.max_age),
TALER_PQ_RESULT_SPEC_AMOUNT (
"amount_with_fee",
&td.details.withdraw_age_commitments.amount_with_fee),
&td.details.age_withdraw_commitments.amount_with_fee),
GNUNET_PQ_result_spec_auto_from_type (
"reserve_pub",
&td.details.withdraw_age_commitments.reserve_pub),
&td.details.age_withdraw_commitments.reserve_pub),
GNUNET_PQ_result_spec_auto_from_type (
"reserve_sig",
&td.details.withdraw_age_commitments.reserve_sig),
&td.details.age_withdraw_commitments.reserve_sig),
GNUNET_PQ_result_spec_uint32 (
"noreveal_index",
&td.details.withdraw_age_commitments.noreveal_index),
&td.details.age_withdraw_commitments.noreveal_index),
GNUNET_PQ_result_spec_end
};
@ -2828,14 +2828,14 @@ lrbt_cb_table_withdraw_age_commitments (void *cls,
/**
* Function called with withdraw_age_revealed_coins table entries.
* Function called with age_withdraw_revealed_coins table entries.
*
* @param cls closure
* @param result the postgres result
* @param num_results the number of results in @a result
*/
static void
lrbt_cb_table_withdraw_age_revealed_coins (void *cls,
lrbt_cb_table_age_withdraw_revealed_coins (void *cls,
PGresult *result,
unsigned int num_results)
{
@ -2848,22 +2848,22 @@ lrbt_cb_table_withdraw_age_revealed_coins (void *cls,
{
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_uint64 (
"withdraw_age_revealed_coins_id",
"age_withdraw_revealed_coins_id",
&td.serial),
GNUNET_PQ_result_spec_auto_from_type (
"h_commitment",
&td.details.withdraw_age_revealed_coins.h_commitment),
&td.details.age_withdraw_revealed_coins.h_commitment),
GNUNET_PQ_result_spec_uint32 (
"freshcoin_index",
&td.details.withdraw_age_revealed_coins.freshcoin_index),
&td.details.age_withdraw_revealed_coins.freshcoin_index),
GNUNET_PQ_result_spec_uint64 (
"denominations_serial",
&td.details.withdraw_age_revealed_coins.denominations_serial),
&td.details.age_withdraw_revealed_coins.denominations_serial),
/* Note: h_coin_ev is recalculated */
GNUNET_PQ_result_spec_variable_size (
"coin_ev",
(void **) &td.details.withdraw_age_revealed_coins.coin_ev,
&td.details.withdraw_age_revealed_coins.coin_ev_size),
(void **) &td.details.age_withdraw_revealed_coins.coin_ev,
&td.details.age_withdraw_revealed_coins.coin_ev_size),
TALER_PQ_result_spec_blinded_denom_sig (
"ev_sig",
&td.details.refresh_revealed_coins.ev_sig),
@ -3598,9 +3598,9 @@ TEH_PG_lookup_records_by_table (void *cls,
rh = &lrbt_cb_table_purse_deletion;
break;
case TALER_EXCHANGEDB_RT_WITHDRAW_AGE_COMMITMENTS:
XPREPARE ("select_above_serial_by_table_withdraw_age_commitments",
XPREPARE ("select_above_serial_by_table_age_withdraw_commitments",
"SELECT"
" withdraw_age_commitment_id"
" age_withdraw_commitment_id"
",h_commitment"
",amount_with_fee_val"
",amount_with_fee_frac"
@ -3608,15 +3608,15 @@ TEH_PG_lookup_records_by_table (void *cls,
",reserve_pub"
",reserve_sig"
",noreveal_index"
" FROM withdraw_age_commitments"
" WHERE withdraw_age_commitment_id > $1"
" ORDER BY withdraw_age_commitment_id ASC;");
rh = &lrbt_cb_table_withdraw_age_commitments;
" FROM age_withdraw_commitments"
" WHERE age_withdraw_commitment_id > $1"
" ORDER BY age_withdraw_commitment_id ASC;");
rh = &lrbt_cb_table_age_withdraw_commitments;
break;
case TALER_EXCHANGEDB_RT_WITHDRAW_AGE_REVEALED_COINS:
XPREPARE ("select_above_serial_by_table_withdraw_age_revealed_coins",
XPREPARE ("select_above_serial_by_table_age_withdraw_revealed_coins",
"SELECT"
" withdraw_age_revealed_coins_serial_id"
" age_withdraw_revealed_coins_serial_id"
",h_commitment"
",freshcoin_index"
",denominations_serial"
@ -3624,10 +3624,10 @@ TEH_PG_lookup_records_by_table (void *cls,
",h_coin_ev"
",ev_sig"
",ewv"
" FROM withdraw_age_revealed_coins"
" WHERE withdraw_age_revealed_coins_serial_id > $1"
" ORDER BY withdraw_age_revealed_coins_serial_id ASC;");
rh = &lrbt_cb_table_withdraw_age_revealed_coins;
" FROM age_withdraw_revealed_coins"
" WHERE age_withdraw_revealed_coins_serial_id > $1"
" ORDER BY age_withdraw_revealed_coins_serial_id ASC;");
rh = &lrbt_cb_table_age_withdraw_revealed_coins;
break;
}
if (NULL == rh)

20
src/exchangedb/pg_lookup_serial_by_table.c
View File

@ -427,22 +427,22 @@ TEH_PG_lookup_serial_by_table (void *cls,
statement = "select_serial_by_table_purse_deletion";
break;
case TALER_EXCHANGEDB_RT_WITHDRAW_AGE_COMMITMENTS:
XPREPARE ("select_serial_by_table_withdraw_age_commitments",
XPREPARE ("select_serial_by_table_age_withdraw_commitments",
"SELECT"
" withdraw_age_commitment_id AS serial"
" FROM withdraw_age_commitments"
" ORDER BY withdraw_age_commitment_id DESC"
" age_withdraw_commitment_id AS serial"
" FROM age_withdraw_commitments"
" ORDER BY age_withdraw_commitment_id DESC"
" LIMIT 1;");
statement = "select_serial_by_table_withdraw_age_commitments";
statement = "select_serial_by_table_age_withdraw_commitments";
break;
case TALER_EXCHANGEDB_RT_WITHDRAW_AGE_REVEALED_COINS:
XPREPARE ("select_serial_by_table_withdraw_age_revealed_coins",
XPREPARE ("select_serial_by_table_age_withdraw_revealed_coins",
"SELECT"
" withdraw_age_revealed_coins_id AS serial"
" FROM withdraw_age_revealed_coins"
" ORDER BY withdraw_age_revealed_coins_id DESC"
" age_withdraw_revealed_coins_id AS serial"
" FROM age_withdraw_revealed_coins"
" ORDER BY age_withdraw_revealed_coins_id DESC"
" LIMIT 1;");
statement = "select_serial_by_table_withdraw_age_revealed_coins";
statement = "select_serial_by_table_age_withdraw_revealed_coins";
break;
}
if (NULL == statement)

46
src/include/taler_exchangedb_plugin.h
View File

@ -760,7 +760,7 @@ struct TALER_EXCHANGEDB_TableData
struct TALER_ReserveSignatureP reserve_sig;
uint32_t noreveal_index;
struct GNUNET_TIME_Absolute timestamp;
} withdraw_age_commitments;
} age_withdraw_commitments;
struct
{
@ -772,7 +772,7 @@ struct TALER_EXCHANGEDB_TableData
struct TALER_ExchangeWithdrawValues ewv;
// h_coin_ev omitted, to be recomputed!
struct TALER_BlindedDenominationSignature ev_sig;
} withdraw_age_revealed_coins;
} age_withdraw_revealed_coins;
} details;
@ -1200,8 +1200,9 @@ struct TALER_EXCHANGEDB_AgeWithdrawCommitment
struct TALER_ReservePublicKeyP reserve_pub;
/**
* Signature confirming the age withdrawal, matching @e reserve_pub, @e
* maximum_age_group and @e h_commitment and @e total_amount_with_fee.
* Signature confirming the age withdrawal commitment, matching @e
* reserve_pub, @e maximum_age_group and @e h_commitment and @e
* total_amount_with_fee.
*/
struct TALER_ReserveSignatureP reserve_sig;
@ -2737,6 +2738,28 @@ struct TALER_EXCHANGEDB_CsRevealFreshCoinData
uint32_t coin_off;
};
/**
* Information about a coin that was revealed to the exchange
* during reveal.
*/
struct TALER_EXCHANGEDB_AgeWithdrawRevealedCoin
{
/**
* Hash of the public denomination key of the coin.
*/
struct TALER_DenominationHashP h_denom_pub;
/**
* Signature generated by the exchange over the coin (in blinded format).
*/
struct TALER_BlindedDenominationSignature coin_sig;
/**
* Blinded hash of the new coin
*/
struct TALER_BlindedCoinHashP h_coin_ev;
};
/**
* Generic KYC status for some operation.
@ -3810,19 +3833,18 @@ struct TALER_EXCHANGEDB_Plugin
* age restriction enabled in a given age-withdraw operation and the relevant
* information we learned or created in the reveal steop
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @param h_commitment The hash of the original age-withdraw commitment, which is a key into the withdraw_age_commitments table
* @param num_coins number of coins to generate, size of the @a coin_evs array
* TODO: oec
* @param cls The `struct PostgresClosure` with the plugin-specific state
* @param h_commitment The hash of the original age-withdraw commitment, which is a key into the age_withdraw_commitments table
* @param num_awrcs Number of coins to generate, size of the @a coin_evs array
* @param awrcs Array of @a num_awrcs information about coins to be created
* @return query execution status
*/
enum GNUNET_DB_QueryStatus
(*insert_age_withdraw_reveal)(
void *cls,
uint64_t h_commitment,
uint32_t num_coins
/* TODO: oec */
);
const struct TALER_AgeWithdrawCommitmentHashP *h_commitment,
uint32_t num_awrcs,
const struct TALER_EXCHANGEDB_AgeWithdrawRevealedCoin *awrcs);
/**
* Lookup in the database for the fresh coins with age-restriction that