From 345c141bad275828b35a4299a44e9d357998d6a4 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sat, 23 Apr 2022 20:50:27 +0200
Subject: -work on p2p payments

---
 src/exchange/taler-exchange-httpd_keys.c          |  6 ++++++
 src/exchange/taler-exchange-httpd_purses_create.c |  3 ++-
 src/exchangedb/plugin_exchangedb_postgres.c       |  5 ++++-
 src/lib/exchange_api_purse_create_with_deposit.c  | 10 +++++++++-
 src/util/wallet_signatures.c                      |  2 +-
 5 files changed, 22 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/exchange/taler-exchange-httpd_keys.c b/src/exchange/taler-exchange-httpd_keys.c
index e0ca24a65..7aff0903b 100644
--- a/src/exchange/taler-exchange-httpd_keys.c
+++ b/src/exchange/taler-exchange-httpd_keys.c
@@ -2257,6 +2257,9 @@ global_fee_info_cb (
   struct TEH_KeyStateHandle *ksh = cls;
   struct TEH_GlobalFee *gf;
 
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+              "Found global fees with %u purses\n",
+              purse_account_limit);
   gf = GNUNET_new (struct TEH_GlobalFee);
   gf->start_date = start_date;
   gf->end_date = end_date;
@@ -2343,6 +2346,9 @@ build_key_state (struct HelperState *hs,
   qs = TEH_plugin->get_global_fees (TEH_plugin->cls,
                                     &global_fee_info_cb,
                                     ksh);
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+              "Loading global fees from DB: %d\n",
+              qs);
   if (qs < 0)
   {
     GNUNET_break (GNUNET_DB_STATUS_SOFT_ERROR != qs);
diff --git a/src/exchange/taler-exchange-httpd_purses_create.c b/src/exchange/taler-exchange-httpd_purses_create.c
index f4f00bb23..ef1189530 100644
--- a/src/exchange/taler-exchange-httpd_purses_create.c
+++ b/src/exchange/taler-exchange-httpd_purses_create.c
@@ -496,7 +496,8 @@ parse_coin (struct MHD_Connection *connection,
                                          &coin->cpi.coin_pub,
                                          &coin->coin_sig))
   {
-    TALER_LOG_WARNING ("Invalid signature on /purses/$PID/create request\n");
+    TALER_LOG_WARNING (
+      "Invalid coin signature on /purses/$PID/create request\n");
     GNUNET_JSON_parse_free (spec);
     return (MHD_YES ==
             TALER_MHD_reply_with_error (connection,
diff --git a/src/exchangedb/plugin_exchangedb_postgres.c b/src/exchangedb/plugin_exchangedb_postgres.c
index ff2dcbf42..93d71e594 100644
--- a/src/exchangedb/plugin_exchangedb_postgres.c
+++ b/src/exchangedb/plugin_exchangedb_postgres.c
@@ -8535,7 +8535,10 @@ postgres_get_global_fees (void *cls,
 {
   struct PostgresClosure *pg = cls;
   struct GNUNET_TIME_Timestamp date
-    = GNUNET_TIME_timestamp_get ();
+    = GNUNET_TIME_absolute_to_timestamp (
+        GNUNET_TIME_absolute_subtract (
+          GNUNET_TIME_absolute_get (),
+          GNUNET_TIME_UNIT_YEARS));
   struct GNUNET_PQ_QueryParam params[] = {
     GNUNET_PQ_query_param_timestamp (&date),
     GNUNET_PQ_query_param_end
diff --git a/src/lib/exchange_api_purse_create_with_deposit.c b/src/lib/exchange_api_purse_create_with_deposit.c
index 48b9aad78..f6f8c2d86 100644
--- a/src/lib/exchange_api_purse_create_with_deposit.c
+++ b/src/lib/exchange_api_purse_create_with_deposit.c
@@ -329,11 +329,15 @@ TALER_EXCHANGE_purse_create_with_deposit (
   GNUNET_assert (NULL != deposit_arr);
   url = TEAH_path_to_url (exchange,
                           "/");
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+              "Signing with URL `%s'\n",
+              url);
   for (unsigned int i = 0; i<num_deposits; i++)
   {
     const struct TALER_EXCHANGE_PurseDeposit *deposit = &deposits[i];
     json_t *jdeposit;
     struct TALER_CoinSpendSignatureP coin_sig;
+    struct TALER_CoinSpendPublicKeyP coin_pub;
 #if FIXME_OEC
     struct TALER_AgeCommitmentHash agh;
     struct TALER_AgeCommitmentHash *aghp = NULL;
@@ -354,6 +358,8 @@ TALER_EXCHANGE_purse_create_with_deposit (
       return NULL;
     }
 #endif
+    GNUNET_CRYPTO_eddsa_key_get_public (&deposit->coin_priv.eddsa_priv,
+                                        &coin_pub.eddsa_pub);
     TALER_wallet_purse_deposit_sign (
       url,
       &pch->purse_pub,
@@ -376,7 +382,9 @@ TALER_EXCHANGE_purse_create_with_deposit (
       TALER_JSON_pack_denom_sig ("ub_sig",
                                  &deposit->denom_sig),
       GNUNET_JSON_pack_data_auto ("coin_sig",
-                                  &coin_sig));
+                                  &coin_sig),
+      GNUNET_JSON_pack_data_auto ("coin_pub",
+                                  &coin_pub));
     GNUNET_assert (0 ==
                    json_array_append_new (deposit_arr,
                                           jdeposit));
diff --git a/src/util/wallet_signatures.c b/src/util/wallet_signatures.c
index 5b98f46e4..f0ff2dc89 100644
--- a/src/util/wallet_signatures.c
+++ b/src/util/wallet_signatures.c
@@ -1251,7 +1251,7 @@ TALER_wallet_econtract_upload_verify (
   GNUNET_CRYPTO_hash (econtract,
                       econtract_size,
                       &pc.h_econtract);
-  return GNUNET_CRYPTO_eddsa_verify_ (TALER_SIGNATURE_WALLET_RESERVE_CLOSE,
+  return GNUNET_CRYPTO_eddsa_verify_ (TALER_SIGNATURE_WALLET_PURSE_ECONTRACT,
                                       &pc.purpose,
                                       &purse_sig->eddsa_signature,
                                       &purse_pub->eddsa_pub);
-- 
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