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authorChristian Grothoff <christian@grothoff.org>2018-01-18 16:55:16 +0100
committerChristian Grothoff <christian@grothoff.org>2018-01-18 16:55:16 +0100
commit5c3d25eb29ec9b36dfd09eb65abcad5fd2421142 (patch)
treed079f1ad1cb2596601c0da94e71e1bb9c20b28e1
parent63c96a1903c22263cf299f3e944decd91c6773bf (diff)
downloadexchange-5c3d25eb29ec9b36dfd09eb65abcad5fd2421142.tar.gz
exchange-5c3d25eb29ec9b36dfd09eb65abcad5fd2421142.tar.bz2
exchange-5c3d25eb29ec9b36dfd09eb65abcad5fd2421142.zip
implement #5254
-rw-r--r--src/exchange-lib/exchange_api_handle.c2
-rw-r--r--src/exchange/taler-exchange-httpd_keystate.c21
-rw-r--r--src/include/taler_exchange_service.h7
3 files changed, 28 insertions, 2 deletions
diff --git a/src/exchange-lib/exchange_api_handle.c b/src/exchange-lib/exchange_api_handle.c
index 22e64b938..2810a6066 100644
--- a/src/exchange-lib/exchange_api_handle.c
+++ b/src/exchange-lib/exchange_api_handle.c
@@ -575,6 +575,8 @@ decode_keys_json (const json_t *resp_obj,
&pub),
GNUNET_JSON_spec_absolute_time ("list_issue_date",
&list_issue_date),
+ GNUNET_JSON_spec_relative_time ("reserve_closing_delay",
+ &key_data->reserve_closing_delay),
GNUNET_JSON_spec_end()
};
diff --git a/src/exchange/taler-exchange-httpd_keystate.c b/src/exchange/taler-exchange-httpd_keystate.c
index 801d6fee6..f57451a70 100644
--- a/src/exchange/taler-exchange-httpd_keystate.c
+++ b/src/exchange/taler-exchange-httpd_keystate.c
@@ -1183,6 +1183,7 @@ build_keys_response (const struct ResponseFactoryContext *rfc,
struct TALER_ExchangeKeySetPS ks;
struct TALER_ExchangeSignatureP sig;
char *keys_json;
+ struct GNUNET_TIME_Relative reserve_closing_delay;
void *keys_jsonz;
size_t keys_jsonz_size;
int comp;
@@ -1287,13 +1288,29 @@ build_keys_response (const struct ResponseFactoryContext *rfc,
GNUNET_CRYPTO_eddsa_sign (&rfc->key_state->current_sign_key_issue.signkey_priv.eddsa_priv,
&ks.purpose,
&sig.eddsa_signature));
-
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_time (cfg,
+ "exchangedb",
+ "IDLE_RESERVE_EXPIRATION_TIME",
+ &reserve_closing_delay))
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "exchangedb",
+ "IDLE_RESERVE_EXPIRATION_TIME");
+ /* use default */
+ reserve_closing_delay = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_WEEKS,
+ 4);
+ }
/* Build /keys response */
- keys = json_pack ("{s:s, s:o, s:O, s:O, s:o, s:o, s:o, s:o, s:o}",
+ keys = json_pack ("{s:s, s:o, s:o, s:O, s:O,"
+ " s:o, s:o, s:o, s:o, s:o}",
+ /* 1-5 */
"version", TALER_PROTOCOL_VERSION,
"master_public_key", GNUNET_JSON_from_data_auto (&TEH_master_public_key),
+ "reserve_closing_delay", GNUNET_JSON_from_time_rel (reserve_closing_delay),
"signkeys", rfc->sign_keys_array,
"payback", rfc->payback_array,
+ /* 6-10 */
"denoms", rbc.denom_keys_array,
"auditors", rbc.auditors_array,
"list_issue_date", GNUNET_JSON_from_time_abs (rfc->key_state->reload_time),
diff --git a/src/include/taler_exchange_service.h b/src/include/taler_exchange_service.h
index 2d9460e22..30ea4ce66 100644
--- a/src/include/taler_exchange_service.h
+++ b/src/include/taler_exchange_service.h
@@ -206,6 +206,13 @@ struct TALER_EXCHANGE_Keys
char *version;
/**
+ * How long after a reserve went idle will the exchange close it?
+ * This is an approximate number, not cryptographically signed by
+ * the exchange (advisory-only, may change anytime).
+ */
+ struct GNUNET_TIME_Relative reserve_closing_delay;
+
+ /**
* Timestamp indicating the /keys generation.
*/
struct GNUNET_TIME_Absolute list_issue_date;