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[taler-exchange] 02/02: remove unused/unusable coin_sig, return correct
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From: |
gnunet |
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Subject: |
[taler-exchange] 02/02: remove unused/unusable coin_sig, return correct coin_pub in recoup-reveal failure context |
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Date: |
Fri, 10 Jul 2020 22:33:11 +0200 |
This is an automated email from the git hooks/post-receive script.
grothoff pushed a commit to branch master
in repository exchange.
commit ddf95c491af05732220ac35c6fb1bea48e6f4050
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Fri Jul 10 22:33:04 2020 +0200
remove unused/unusable coin_sig, return correct coin_pub in recoup-reveal
failure context
---
src/exchange/taler-exchange-httpd_responses.c | 6 +--
src/exchangedb/plugin_exchangedb_postgres.c | 11 ++++
src/include/taler_exchangedb_plugin.h | 2 +-
src/include/taler_signatures.h | 2 +-
src/lib/exchange_api_common.c | 12 +++--
src/testing/test_exchange_api.c | 77 +++++++++++++++++++--------
6 files changed, 78 insertions(+), 32 deletions(-)
diff --git a/src/exchange/taler-exchange-httpd_responses.c
b/src/exchange/taler-exchange-httpd_responses.c
index 444729a2..4bcb9e7a 100644
--- a/src/exchange/taler-exchange-httpd_responses.c
+++ b/src/exchange/taler-exchange-httpd_responses.c
@@ -250,7 +250,7 @@ TEH_RESPONSE_compile_transaction_history (
TALER_SIGNATURE_EXCHANGE_CONFIRM_RECOUP_REFRESH),
.purpose.size = htonl (sizeof (pc)),
.timestamp = GNUNET_TIME_absolute_hton (pr->timestamp),
- .coin_pub = *coin_pub,
+ .coin_pub = pr->coin.coin_pub,
.old_coin_pub = pr->old_coin_pub
};
@@ -273,7 +273,7 @@ TEH_RESPONSE_compile_transaction_history (
if (0 !=
json_array_append_new (
history,
- json_pack ("{s:s, s:o, s:o, s:o, s:o, s:o, s:o}",
+ json_pack ("{s:s, s:o, s:o, s:o, s:o, s:o}",
"type",
"OLD-COIN-RECOUP",
"amount",
@@ -284,8 +284,6 @@ TEH_RESPONSE_compile_transaction_history (
GNUNET_JSON_from_data_auto (&epub),
"coin_pub",
GNUNET_JSON_from_data_auto (&pr->coin.coin_pub),
- "coin_sig",
- GNUNET_JSON_from_data_auto (&pr->coin_sig),
"timestamp",
GNUNET_JSON_from_time_abs (pr->timestamp))))
{
diff --git a/src/exchangedb/plugin_exchangedb_postgres.c
b/src/exchangedb/plugin_exchangedb_postgres.c
index 8e45d671..7934639b 100644
--- a/src/exchangedb/plugin_exchangedb_postgres.c
+++ b/src/exchangedb/plugin_exchangedb_postgres.c
@@ -4553,6 +4553,11 @@ postgres_get_coin_transactions (
params,
work[i].cb,
&chc);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Coin %s yielded %d transactions of type %s\n",
+ TALER_B2S (coin_pub),
+ qs,
+ work[i].statement);
if ( (0 > qs) ||
(chc.failed) )
{
@@ -6913,6 +6918,9 @@ postgres_insert_recoup_request (
GNUNET_break (0);
return GNUNET_DB_STATUS_HARD_ERROR;
}
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Inserting recoup for coin %s\n",
+ TALER_B2S (&coin->coin_pub));
expiry = GNUNET_TIME_absolute_add (timestamp,
pg->legal_reserve_expiration_time);
reserve.gc = GNUNET_TIME_absolute_max (expiry,
@@ -6976,6 +6984,9 @@ postgres_insert_recoup_refresh_request (
(void) cls;
/* now store actual recoup information */
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Inserting recoup-refresh for coin %s\n",
+ TALER_B2S (&coin->coin_pub));
qs = GNUNET_PQ_eval_prepared_non_select (session->conn,
"recoup_refresh_insert",
params);
diff --git a/src/include/taler_exchangedb_plugin.h
b/src/include/taler_exchangedb_plugin.h
index 8b4e63cd..f5e5dccc 100644
--- a/src/include/taler_exchangedb_plugin.h
+++ b/src/include/taler_exchangedb_plugin.h
@@ -373,7 +373,7 @@ struct TALER_EXCHANGEDB_RecoupRefreshListEntry
/**
* Blinding factor supplied to prove to the exchange that
- * the coin came from this reserve.
+ * the coin came from this @e old_coin_pub.
*/
struct TALER_DenominationBlindingKeyP coin_blind;
diff --git a/src/include/taler_signatures.h b/src/include/taler_signatures.h
index 3e4b893f..4e24c519 100644
--- a/src/include/taler_signatures.h
+++ b/src/include/taler_signatures.h
@@ -1219,7 +1219,7 @@ struct TALER_RecoupRequestPS
struct TALER_CoinSpendPublicKeyP coin_pub;
/**
- * Hash of the denomination public key of the coin.
+ * Hash of the (revoked) denomination public key of the coin.
*/
struct GNUNET_HashCode h_denom_pub;
diff --git a/src/lib/exchange_api_common.c b/src/lib/exchange_api_common.c
index feaef7b3..743adb0f 100644
--- a/src/lib/exchange_api_common.c
+++ b/src/lib/exchange_api_common.c
@@ -876,10 +876,11 @@ TALER_EXCHANGE_verify_coin_history (
TALER_amount_hton (&pc.recoup_amount,
&amount);
if (GNUNET_OK !=
- GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_EXCHANGE_CONFIRM_RECOUP,
- &pc,
- &exchange_sig.eddsa_signature,
- &exchange_pub.eddsa_pub))
+ GNUNET_CRYPTO_eddsa_verify (
+ TALER_SIGNATURE_EXCHANGE_CONFIRM_RECOUP_REFRESH,
+ &pc,
+ &exchange_sig.eddsa_signature,
+ &exchange_pub.eddsa_pub))
{
GNUNET_break_op (0);
return GNUNET_SYSERR;
@@ -890,6 +891,9 @@ TALER_EXCHANGE_verify_coin_history (
{
/* signature not supported, new version on server? */
GNUNET_break_op (0);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unexpected type `%s' in response\n",
+ type);
GNUNET_assert (GNUNET_SYSERR == add);
return GNUNET_SYSERR;
}
diff --git a/src/testing/test_exchange_api.c b/src/testing/test_exchange_api.c
index b8ec3699..410c1a49 100644
--- a/src/testing/test_exchange_api.c
+++ b/src/testing/test_exchange_api.c
@@ -675,28 +675,61 @@ run (void *cls,
"recoup-reveal-coin-1b",
"recoup-melt-coin-1b",
"EUR:5"),
-#if 1
- /* "over-spend" 10 EUR recoup-refreshed coin */
- TALER_TESTING_cmd_deposit ("recoup-refresh-deposit-failing",
- "recoup-withdraw-coin-1b",
- 0,
- bc.user42_payto,
- "{\"items\":[{\"name\":\"more ice
cream\",\"value\":1}]}",
- GNUNET_TIME_UNIT_ZERO,
- "EUR:11.5",
- MHD_HTTP_OK),
- // FIXME: yes, we expect 'CONFLICT', but the
- // coin history we get is totally wrong!
- /* "spend" 10 EUR recoup-refreshed coin */
- TALER_TESTING_cmd_deposit ("recoup-refresh-deposit-ok",
- "recoup-withdraw-coin-1b",
- 0,
- bc.user42_payto,
- "{\"items\":[{\"name\":\"more ice
cream\",\"value\":1}]}",
- GNUNET_TIME_UNIT_ZERO,
- "EUR:9.5", /* FIXME: pick 'right' amount! */
- MHD_HTTP_OK),
-#endif
+ /* melt 10 EUR coin *again* to get 1 EUR refreshed coin */
+ TALER_TESTING_cmd_melt ("recoup-remelt-coin-1a",
+ "recoup-withdraw-coin-1b",
+ MHD_HTTP_OK,
+ "EUR:1",
+ NULL),
+ TALER_TESTING_cmd_refresh_reveal ("recoup-reveal-coin-1a",
+ "recoup-remelt-coin-1a",
+ MHD_HTTP_OK),
+ /* Try melting for more than the residual value to provoke an error */
+ TALER_TESTING_cmd_melt ("recoup-remelt-coin-1b",
+ "recoup-withdraw-coin-1b",
+ MHD_HTTP_OK,
+ "EUR:1",
+ NULL),
+ TALER_TESTING_cmd_melt ("recoup-remelt-coin-1c",
+ "recoup-withdraw-coin-1b",
+ MHD_HTTP_OK,
+ "EUR:1",
+ NULL),
+ TALER_TESTING_cmd_melt ("recoup-remelt-coin-1d",
+ "recoup-withdraw-coin-1b",
+ MHD_HTTP_OK,
+ "EUR:1",
+ NULL),
+ TALER_TESTING_cmd_melt ("recoup-remelt-coin-1e",
+ "recoup-withdraw-coin-1b",
+ MHD_HTTP_OK,
+ "EUR:1",
+ NULL),
+ TALER_TESTING_cmd_melt ("recoup-remelt-coin-1f",
+ "recoup-withdraw-coin-1b",
+ MHD_HTTP_OK,
+ "EUR:1",
+ NULL),
+ TALER_TESTING_cmd_melt ("recoup-remelt-coin-1g",
+ "recoup-withdraw-coin-1b",
+ MHD_HTTP_OK,
+ "EUR:1",
+ NULL),
+ TALER_TESTING_cmd_melt ("recoup-remelt-coin-1h",
+ "recoup-withdraw-coin-1b",
+ MHD_HTTP_OK,
+ "EUR:1",
+ NULL),
+ TALER_TESTING_cmd_melt ("recoup-remelt-coin-1i",
+ "recoup-withdraw-coin-1b",
+ MHD_HTTP_OK,
+ "EUR:1",
+ NULL),
+ TALER_TESTING_cmd_melt ("recoup-remelt-coin-1b-failing",
+ "recoup-withdraw-coin-1b",
+ MHD_HTTP_CONFLICT,
+ "EUR:1",
+ NULL),
/* Re-withdraw from this reserve */
TALER_TESTING_cmd_withdraw_amount ("recoup-withdraw-coin-2",
"recoup-create-reserve-1",
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