Merge branch 'master' of git+ssh://taler.net/var/git/mint

18 files changed, 369 insertions, 741 deletions

diff --git a/src/include/taler_json_lib.h b/src/include/taler_json_lib.h
index 63cb81791..8bdcf2709 100644
--- a/src/include/taler_json_lib.h
+++ b/src/include/taler_json_lib.h
@@ -53,18 +53,6 @@ TALER_json_from_abs (struct GNUNET_TIME_Absolute stamp);
 
 
 /**
- * Convert a signature (with purpose) to a JSON object representation.
- *
- * @param purpose purpose of the signature
- * @param signature the signature
- * @return the JSON reporesentation of the signature with purpose
- */
-json_t *
-TALER_json_from_eddsa_sig (const struct GNUNET_CRYPTO_EccSignaturePurpose *purpose,
-                           const struct GNUNET_CRYPTO_EddsaSignature *signature);
-
-
-/**
  * Convert RSA public key to JSON.
  *
  * @param pk public key to convert
@@ -93,7 +81,8 @@ TALER_json_from_rsa_signature (struct GNUNET_CRYPTO_rsa_Signature *sig);
  * @return json string that encodes @a data
  */
 json_t *
-TALER_json_from_data (const void *data, size_t size);
+TALER_json_from_data (const void *data,
+                      size_t size);
 
 
 /**
diff --git a/src/include/taler_signatures.h b/src/include/taler_signatures.h
index 3bdc4eee1..ea9ed600a 100644
--- a/src/include/taler_signatures.h
+++ b/src/include/taler_signatures.h
@@ -132,6 +132,12 @@
  */
 #define TALER_SIGNATURE_MERCHANT_REFUND 1102
 
+/**
+ * Signature where the merchant confirms that he needs the wire
+ * transfer identifier for a deposit operation.
+ */
+#define TALER_SIGNATURE_MERCHANT_DEPOSIT_WTID 1103
+
 
 /*********************/
 /* Wallet signatures */
@@ -300,8 +306,7 @@ struct TALER_DepositRequestPS
 
   /**
    * The Merchant's public key.  Allows the merchant to later refund
-   * the transaction.  All zeros if nobody is allowed to refund the
-   * transaction later.
+   * the transaction or to inquire about the wire transfer identifier.
    */
   struct TALER_MerchantPublicKeyP merchant;
 
@@ -372,8 +377,7 @@ struct TALER_DepositConfirmationPS
 
   /**
    * The Merchant's public key.  Allows the merchant to later refund
-   * the transaction.  All zeros if nobody is allowed to refund the
-   * transaction later.
+   * the transaction or to inquire about the wire transfer identifier.
    */
   struct TALER_MerchantPublicKeyP merchant;
 
@@ -791,6 +795,56 @@ struct TALER_MintWireSupportMethodsPS
 };
 
 
+/**
+ * @brief Format used to generate the signature on a request to obtain
+ * the wire transfer identifier associated with a deposit.
+ */
+struct TALER_DepositTrackPS
+{
+  /**
+   * Purpose must be #TALER_SIGNATURE_MERCHANT_DEPOSIT_WTID.
+   */
+  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
+
+  /**
+   * Hash over the contract for which this deposit is made.
+   */
+  struct GNUNET_HashCode h_contract GNUNET_PACKED;
+
+  /**
+   * Hash over the wiring information of the merchant.
+   */
+  struct GNUNET_HashCode h_wire GNUNET_PACKED;
+
+  /**
+   * Merchant-generated transaction ID to detect duplicate
+   * transactions.  The merchant must communicate a merchant-unique ID
+   * to the customer for each transaction.  Note that different coins
+   * that are part of the same transaction can use the same
+   * transaction ID.  The transaction ID is useful for later disputes,
+   * and the merchant's contract offer (@e h_contract) with the
+   * customer should include the offer's term and transaction ID
+   * signed with a key from the merchant.
+   */
+  uint64_t transaction_id GNUNET_PACKED;
+
+  /**
+   * The Merchant's public key.  The deposit inquiry request is to be
+   * signed by the corresponding private key (using EdDSA).
+   */
+  struct TALER_MerchantPublicKeyP merchant;
+
+  /**
+   * The coin's public key.  This is the value that must have been
+   * signed (blindly) by the Mint.
+   */
+  struct TALER_CoinSpendPublicKeyP coin_pub;
+
+};
+
+
+
+
 GNUNET_NETWORK_STRUCT_END
 
 #endif
diff --git a/src/mint-lib/mint_api_common.c b/src/mint-lib/mint_api_common.c
index d8e83c785..fd85fbdc4 100644
--- a/src/mint-lib/mint_api_common.c
+++ b/src/mint-lib/mint_api_common.c
@@ -62,13 +62,20 @@ TALER_MINT_verify_coin_history_ (const char *currency,
   {
     json_t *transaction;
     struct TALER_Amount amount;
-    struct GNUNET_CRYPTO_EccSignaturePurpose *purpose;
+    struct TALER_CoinSpendSignatureP sig;
+    void *details;
+    size_t details_size;
+    const char *type;
     struct MAJ_Specification spec[] = {
       MAJ_spec_amount ("amount",
                        &amount),
-      MAJ_spec_eddsa_signed_purpose ("signature",
-                                     &purpose,
-                                     &coin_pub->eddsa_pub),
+      MAJ_spec_string ("type",
+                       &type),
+      MAJ_spec_fixed_auto ("signature",
+                           &sig),
+      MAJ_spec_varsize ("details",
+                        &details,
+                        &details_size),
       MAJ_spec_end
     };
 
@@ -81,57 +88,90 @@ TALER_MINT_verify_coin_history_ (const char *currency,
       GNUNET_break_op (0);
       return GNUNET_SYSERR;
     }
-    switch (ntohl (purpose->purpose))
+    if (0 == strcasecmp (type,
+                         "DEPOSIT"))
     {
-    case TALER_SIGNATURE_WALLET_COIN_DEPOSIT:
-      {
-        const struct TALER_DepositRequestPS *dr;
-        struct TALER_Amount dr_amount;
+      const struct TALER_DepositRequestPS *dr;
+      struct TALER_Amount dr_amount;
 
-        if (ntohl (purpose->size) != sizeof (struct TALER_DepositRequestPS))
-        {
-          GNUNET_break (0);
-          MAJ_parse_free (spec);
-          return GNUNET_SYSERR;
-        }
-        dr = (const struct TALER_DepositRequestPS *) purpose;
-        TALER_amount_ntoh (&dr_amount,
-                           &dr->amount_with_fee);
-        if (0 != TALER_amount_cmp (&dr_amount,
-                                   &amount))
-        {
-          GNUNET_break (0);
-          MAJ_parse_free (spec);
-          return GNUNET_SYSERR;
-        }
+      if (details_size != sizeof (struct TALER_DepositRequestPS))
+      {
+        GNUNET_break_op (0);
+        MAJ_parse_free (spec);
+        return GNUNET_SYSERR;
       }
-      break;
-    case TALER_SIGNATURE_WALLET_COIN_MELT:
+      dr = (const struct TALER_DepositRequestPS *) details;
+      if (details_size != ntohl (dr->purpose.size))
       {
-        const struct TALER_RefreshMeltCoinAffirmationPS *rm;
-        struct TALER_Amount rm_amount;
-
-        if (ntohl (purpose->size) != sizeof (struct TALER_RefreshMeltCoinAffirmationPS))
+        GNUNET_break_op (0);
+        MAJ_parse_free (spec);
+        return GNUNET_SYSERR;
+      }
+      if (GNUNET_OK !=
+          GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_WALLET_COIN_DEPOSIT,
+                                      &dr->purpose,
+                                      &sig.eddsa_signature,
+                                      &coin_pub->eddsa_pub))
         {
-          GNUNET_break (0);
-          MAJ_parse_free (spec);
-          return GNUNET_SYSERR;
-        }
-        rm = (const struct TALER_RefreshMeltCoinAffirmationPS *) purpose;
-        TALER_amount_ntoh (&rm_amount,
-                           &rm->amount_with_fee);
-        if (0 != TALER_amount_cmp (&rm_amount,
-                                   &amount))
+        GNUNET_break_op (0);
+        MAJ_parse_free (spec);
+        return GNUNET_SYSERR;
+      }
+
+       // FIXME: check sig!
+      TALER_amount_ntoh (&dr_amount,
+                         &dr->amount_with_fee);
+      if (0 != TALER_amount_cmp (&dr_amount,
+                                 &amount))
         {
           GNUNET_break (0);
           MAJ_parse_free (spec);
           return GNUNET_SYSERR;
         }
+    }
+    else if (0 == strcasecmp (type,
+                              "MELT"))
+    {
+      const struct TALER_RefreshMeltCoinAffirmationPS *rm;
+      struct TALER_Amount rm_amount;
+
+      if (details_size != sizeof (struct TALER_RefreshMeltCoinAffirmationPS))
+      {
+        GNUNET_break_op (0);
+        MAJ_parse_free (spec);
+        return GNUNET_SYSERR;
+      }
+      rm = (const struct TALER_RefreshMeltCoinAffirmationPS *) details;
+      if (details_size != ntohl (rm->purpose.size))
+      {
+        GNUNET_break_op (0);
+        MAJ_parse_free (spec);
+        return GNUNET_SYSERR;
+      }
+      if (GNUNET_OK !=
+          GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_WALLET_COIN_MELT,
+                                      &rm->purpose,
+                                      &sig.eddsa_signature,
+                                      &coin_pub->eddsa_pub))
+      {
+        GNUNET_break_op (0);
+        MAJ_parse_free (spec);
+        return GNUNET_SYSERR;
+      }
+      TALER_amount_ntoh (&rm_amount,
+                         &rm->amount_with_fee);
+      if (0 != TALER_amount_cmp (&rm_amount,
+                                 &amount))
+      {
+        GNUNET_break_op (0);
+        MAJ_parse_free (spec);
+        return GNUNET_SYSERR;
       }
-      break;
-    default:
+    }
+    else
+    {
       /* signature not supported, new version on server? */
-      GNUNET_break (0);
+      GNUNET_break_op (0);
       MAJ_parse_free (spec);
       return GNUNET_SYSERR;
     }
diff --git a/src/mint-lib/mint_api_deposit.c b/src/mint-lib/mint_api_deposit.c
index 541317763..bf00ffa28 100644
--- a/src/mint-lib/mint_api_deposit.c
+++ b/src/mint-lib/mint_api_deposit.c
@@ -312,6 +312,39 @@ verify_signatures (const struct TALER_MINT_DenomPublicKey *dki,
                      &dki->fee_deposit);
   dr.merchant = *merchant_pub;
   dr.coin_pub = *coin_pub;
+  
+  char *contract_str = GNUNET_STRINGS_data_to_string_alloc (h_contract,
+                                                            sizeof (struct GNUNET_HashCode));
+  char *wire_str = GNUNET_STRINGS_data_to_string_alloc (h_wire,
+                                                        sizeof (struct GNUNET_HashCode));
+  char *merchant_pub_str = GNUNET_STRINGS_data_to_string_alloc (merchant_pub,
+                                                                sizeof (struct TALER_MerchantPublicKeyP));
+  char *coin_pub_str = GNUNET_STRINGS_data_to_string_alloc (coin_pub,
+                                                            sizeof (struct TALER_CoinSpendPublicKeyP));
+  printf ("verifying:\ncontract [%s]\nwire [%s]\n"
+          "timestamp [%llu]\nrefund deadline [%llu]\n"
+	  "transaction id [%llu]\namount [%s %llu.%lu]\n"
+	  "fee deposit [%s %llu.%lu]\nmerch pub [%s]\n"
+	  "coin pub [%s]\n",
+	  contract_str,
+	  wire_str,
+	  timestamp.abs_value_us,
+	  refund_deadline.abs_value_us,
+	  transaction_id,
+	  amount->currency,
+	  amount->value,
+	  amount->fraction,
+	  dki->fee_deposit.currency,
+	  dki->fee_deposit.value,
+	  dki->fee_deposit.fraction,
+          merchant_pub_str,
+	  coin_pub_str);
+
+  GNUNET_free (contract_str);
+  GNUNET_free (wire_str);
+  GNUNET_free (merchant_pub_str);
+  GNUNET_free (coin_pub_str);
+
   if (GNUNET_OK !=
       GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_WALLET_COIN_DEPOSIT,
                                   &dr.purpose,
diff --git a/src/mint-lib/mint_api_json.c b/src/mint-lib/mint_api_json.c
index 46f54d948..a728a5495 100644
--- a/src/mint-lib/mint_api_json.c
+++ b/src/mint-lib/mint_api_json.c
@@ -213,49 +213,6 @@ parse_json (json_t *root,
       }
       break;
 
-    case MAJ_CMD_EDDSA_SIGNATURE:
-      {
-        struct TALER_CoinSpendSignatureP sig;
-        struct GNUNET_CRYPTO_EccSignaturePurpose *purpose;
-        size_t size;
-        struct MAJ_Specification sig_spec[] = {
-          MAJ_spec_fixed_auto ("eddsa_sig", &sig),
-          MAJ_spec_varsize ("eddsa_val", (void**) &purpose, &size),
-          MAJ_spec_end
-        };
-
-        if (GNUNET_OK !=
-            MAJ_parse_json (pos,
-                            sig_spec))
-        {
-          GNUNET_break_op (0);
-          MAJ_parse_free (sig_spec);
-          return i;
-        }
-        if (size != ntohl (purpose->size))
-        {
-          GNUNET_break_op (0);
-          MAJ_parse_free (sig_spec);
-          return i;
-        }
-
-        if (GNUNET_OK !=
-            GNUNET_CRYPTO_eddsa_verify (ntohl (purpose->purpose),
-                                        purpose,
-                                        &sig.eddsa_signature,
-                                        spec[i].details.eddsa_signature.pub_key))
-        {
-	  GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-		      "Failed to verify signature of purpose %u\n",
-		      ntohl (purpose->purpose));
-          GNUNET_break_op (0);
-          MAJ_parse_free (sig_spec);
-          return i;
-        }
-        *spec[i].details.eddsa_signature.purpose_p = purpose;
-      }
-      break;
-
     case MAJ_CMD_UINT16:
       {
         json_int_t val;
@@ -337,10 +294,6 @@ parse_free (struct MAJ_Specification *spec,
       GNUNET_CRYPTO_rsa_signature_free (*spec[i].details.rsa_signature);
       *spec[i].details.rsa_signature = NULL;
       break;
-    case MAJ_CMD_EDDSA_SIGNATURE:
-      GNUNET_free (*spec[i].details.eddsa_signature.purpose_p);
-      *spec[i].details.eddsa_signature.purpose_p = NULL;
-      break;
     case MAJ_CMD_JSON_OBJECT:
       json_decref (*spec[i].details.obj);
       *spec[i].details.obj = NULL;
@@ -535,28 +488,4 @@ MAJ_spec_rsa_signature (const char *name,
 }
 
 
-/**
- * Specification for parsing an EdDSA object signature with purpose.
- * Also validates the signature (!).
- *
- * @param name name of the JSON field
- * @param purpose_p where to store the purpose
- * @param pub_key public key to use for validation
- */
-struct MAJ_Specification
-MAJ_spec_eddsa_signed_purpose (const char *name,
-                               struct GNUNET_CRYPTO_EccSignaturePurpose **purpose_p,
-                               const struct GNUNET_CRYPTO_EddsaPublicKey *pub_key)
-{
-  struct MAJ_Specification ret =
-    {
-      .cmd = MAJ_CMD_EDDSA_SIGNATURE,
-      .field = name,
-      .details.eddsa_signature.purpose_p = purpose_p,
-      .details.eddsa_signature.pub_key = pub_key
-    };
-  return ret;
-}
-
-
 /* end of mint_api_json.c */
diff --git a/src/mint-lib/mint_api_json.h b/src/mint-lib/mint_api_json.h
index 2af5588e5..68809059e 100644
--- a/src/mint-lib/mint_api_json.h
+++ b/src/mint-lib/mint_api_json.h
@@ -69,11 +69,6 @@ enum MAJ_Command
   MAJ_CMD_RSA_SIGNATURE,
 
   /**
-   * Parse object with EdDSA signature and purpose at current position.
-   */
-  MAJ_CMD_EDDSA_SIGNATURE,
-
-  /**
    * Parse `const char *` JSON string at current position.
    */
   MAJ_CMD_STRING,
@@ -310,20 +305,6 @@ MAJ_spec_amount (const char *name,
 
 
 /**
- * Specification for parsing an EdDSA object signature with purpose.
- * Also validates the signature (!).
- *
- * @param name name of the JSON field
- * @param purpose_p where to store the purpose
- * @param pub_key public key to use for validation
- */
-struct MAJ_Specification
-MAJ_spec_eddsa_signed_purpose (const char *name,
-                               struct GNUNET_CRYPTO_EccSignaturePurpose **purpose_p,
-                               const struct GNUNET_CRYPTO_EddsaPublicKey *pub_key);
-
-
-/**
  * Specification for parsing an RSA public key.
  *
  * @param name name of the JSON field
diff --git a/src/mint-lib/mint_api_refresh.c b/src/mint-lib/mint_api_refresh.c
index c33d1714a..a779bdbc3 100644
--- a/src/mint-lib/mint_api_refresh.c
+++ b/src/mint-lib/mint_api_refresh.c
@@ -676,6 +676,7 @@ serialize_melt_data (const struct MeltData *md,
   unsigned int j;
 
   size = 0;
+  asize = (size_t) -1; /* make the compiler happy */
   buf = NULL;
   /* we do 2 iterations, #1 to determine total size, #2 to
      actually construct the buffer */
diff --git a/src/mint-lib/mint_api_reserve.c b/src/mint-lib/mint_api_reserve.c
index 57e8552cc..a726eca46 100644
--- a/src/mint-lib/mint_api_reserve.c
+++ b/src/mint-lib/mint_api_reserve.c
@@ -167,13 +167,14 @@ parse_reserve_history (json_t *history,
     else if (0 == strcasecmp (type,
                               "WITHDRAW"))
     {
-      struct GNUNET_CRYPTO_EccSignaturePurpose *purpose;
-      const struct TALER_WithdrawRequestPS *withdraw_purpose;
+      struct TALER_ReserveSignatureP sig;
+      struct TALER_WithdrawRequestPS withdraw_purpose;
       struct TALER_Amount amount_from_purpose;
       struct MAJ_Specification withdraw_spec[] = {
-        MAJ_spec_eddsa_signed_purpose ("signature",
-                                       &purpose,
-                                       &reserve_pub->eddsa_pub),
+        MAJ_spec_fixed_auto ("signature",
+                             &sig),
+        MAJ_spec_fixed_auto ("details",
+                             &withdraw_purpose),
         MAJ_spec_end
       };
       unsigned int i;
@@ -186,17 +187,19 @@ parse_reserve_history (json_t *history,
         GNUNET_break_op (0);
         return GNUNET_SYSERR;
       }
-      /* Check that the signature actually signed a withdraw request */
-      if ( (ntohl (purpose->purpose) != TALER_SIGNATURE_WALLET_RESERVE_WITHDRAW) ||
-           (ntohl (purpose->size) != sizeof (struct TALER_WithdrawRequestPS)) )
+      /* Check that the signature is a valid withdraw request */
+      if (GNUNET_OK !=
+          GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_WALLET_RESERVE_WITHDRAW,
+                                      &withdraw_purpose.purpose,
+                                      &sig.eddsa_signature,
+                                      &reserve_pub->eddsa_pub))
       {
         GNUNET_break_op (0);
         MAJ_parse_free (withdraw_spec);
         return GNUNET_SYSERR;
       }
-      withdraw_purpose = (const struct TALER_WithdrawRequestPS *) purpose;
       TALER_amount_ntoh (&amount_from_purpose,
-                         &withdraw_purpose->amount_with_fee);
+                         &withdraw_purpose.amount_with_fee);
       if (0 != TALER_amount_cmp (&amount,
                                  &amount_from_purpose))
       {
@@ -211,8 +214,8 @@ parse_reserve_history (json_t *history,
          "uuid" array to remember the hashes of all
          purposes, and compare the hashes to find
          duplicates. */
-      GNUNET_CRYPTO_hash (withdraw_purpose,
-                          ntohl (withdraw_purpose->purpose.size),
+      GNUNET_CRYPTO_hash (&withdraw_purpose,
+                          ntohl (withdraw_purpose.purpose.size),
                           &uuid[uuid_off]);
       for (i=0;i<uuid_off;i++)
       {
diff --git a/src/mint/Makefile.am b/src/mint/Makefile.am
index 1c7e1ca87..a115d63a0 100644
--- a/src/mint/Makefile.am
+++ b/src/mint/Makefile.am
@@ -19,6 +19,7 @@ taler_mint_httpd_SOURCES = \
   taler-mint-httpd_admin.c taler-mint-httpd_admin.h \
   taler-mint-httpd_deposit.c taler-mint-httpd_deposit.h \
   taler-mint-httpd_reserve.c taler-mint-httpd_reserve.h \
+  taler-mint-httpd_tracking.c taler-mint-httpd_tracking.h \
   taler-mint-httpd_wire.c taler-mint-httpd_wire.h \
   taler-mint-httpd_refresh.c taler-mint-httpd_refresh.h
 taler_mint_httpd_LDADD = \
@@ -36,7 +37,7 @@ taler_mint_httpd_SOURCES += \
 endif
 
 check_SCRIPTS = \
-  test_taler_mint_httpd.sh 
+  test_taler_mint_httpd.sh
 
 if HAVE_EXPENSIVE_TESTS
 check_SCRIPTS += \
diff --git a/src/mint/taler-mint-httpd.c b/src/mint/taler-mint-httpd.c
index b55004d91..26a440c95 100644
--- a/src/mint/taler-mint-httpd.c
+++ b/src/mint/taler-mint-httpd.c
@@ -33,6 +33,7 @@
 #include "taler-mint-httpd_reserve.h"
 #include "taler-mint-httpd_wire.h"
 #include "taler-mint-httpd_refresh.h"
+#include "taler-mint-httpd_tracking.h"
 #include "taler-mint-httpd_keystate.h"
 #if HAVE_DEVELOPER
 #include "taler-mint-httpd_test.h"
@@ -256,6 +257,19 @@ handle_mhd_request (void *cls,
         "Only POST is allowed", 0,
         &TMH_MHD_handler_send_json_pack_error, MHD_HTTP_METHOD_NOT_ALLOWED },
 
+      { "/wire/deposits", MHD_HTTP_METHOD_GET, "application/json",
+        NULL, 0,
+        &TMH_TRACKING_handler_wire_deposits, MHD_HTTP_OK },
+      { "/wire/deposits", NULL, "text/plain",
+        "Only GET is allowed", 0,
+        &TMH_MHD_handler_send_json_pack_error, MHD_HTTP_METHOD_NOT_ALLOWED },
+      { "/deposit/wtid", MHD_HTTP_METHOD_POST, "application/json",
+        NULL, 0,
+        &TMH_TRACKING_handler_deposit_wtid, MHD_HTTP_OK },
+      { "/deposit/wtid", NULL, "text/plain",
+        "Only POST is allowed", 0,
+        &TMH_MHD_handler_send_json_pack_error, MHD_HTTP_METHOD_NOT_ALLOWED },
+
 #if HAVE_DEVELOPER
       /* Client crypto-interoperability test functions */
       { "/test", MHD_HTTP_METHOD_POST, "application/json",
diff --git a/src/mint/taler-mint-httpd_responses.c b/src/mint/taler-mint-httpd_responses.c
index a018f68d3..3b04fdb3c 100644
--- a/src/mint/taler-mint-httpd_responses.c
+++ b/src/mint/taler-mint-httpd_responses.c
@@ -404,10 +404,11 @@ TMH_RESPONSE_reply_deposit_success (struct MHD_Connection *connection,
 static json_t *
 compile_transaction_history (const struct TALER_MINTDB_TransactionList *tl)
 {
-  json_t *transaction;
+  json_t *details;
   const char *type;
   struct TALER_Amount value;
   json_t *history;
+  const struct TALER_CoinSpendSignatureP *sig;
   const struct TALER_MINTDB_TransactionList *pos;
 
   history = json_array ();
@@ -420,7 +421,7 @@ compile_transaction_history (const struct TALER_MINTDB_TransactionList *tl)
         struct TALER_DepositRequestPS dr;
         const struct TALER_MINTDB_Deposit *deposit = pos->details.deposit;
 
-        type = "deposit";
+        type = "DEPOSIT";
         value = deposit->amount_with_fee;
         dr.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_COIN_DEPOSIT);
         dr.purpose.size = htonl (sizeof (struct TALER_DepositRequestPS));
@@ -435,12 +436,12 @@ compile_transaction_history (const struct TALER_MINTDB_TransactionList *tl)
                            &deposit->deposit_fee);
         dr.merchant = deposit->merchant_pub;
         dr.coin_pub = deposit->coin.coin_pub;
-
+        sig = &deposit->csig;
 	/* internal sanity check before we hand out a bogus sig... */
         if (GNUNET_OK !=
             GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_WALLET_COIN_DEPOSIT,
                                         &dr.purpose,
-                                        &deposit->csig.eddsa_signature,
+                                        &sig->eddsa_signature,
                                         &deposit->coin.coin_pub.eddsa_pub))
 	{
 	  GNUNET_break (0);
@@ -448,8 +449,8 @@ compile_transaction_history (const struct TALER_MINTDB_TransactionList *tl)
 	  return NULL;
 	}
 
-        transaction = TALER_json_from_eddsa_sig (&dr.purpose,
-                                                 &deposit->csig.eddsa_signature);
+        details = TALER_json_from_data (&dr.purpose,
+                                        sizeof (struct TALER_DepositRequestPS));
         break;
       }
     case TALER_MINTDB_TT_REFRESH_MELT:
@@ -457,7 +458,7 @@ compile_transaction_history (const struct TALER_MINTDB_TransactionList *tl)
         struct TALER_RefreshMeltCoinAffirmationPS ms;
         const struct TALER_MINTDB_RefreshMelt *melt = pos->details.melt;
 
-        type = "melt";
+        type = "MELT";
         value = melt->amount_with_fee;
         ms.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_COIN_MELT);
         ms.purpose.size = htonl (sizeof (struct TALER_RefreshMeltCoinAffirmationPS));
@@ -467,12 +468,12 @@ compile_transaction_history (const struct TALER_MINTDB_TransactionList *tl)
         TALER_amount_hton (&ms.melt_fee,
                            &melt->melt_fee);
         ms.coin_pub = melt->coin.coin_pub;
-
+        sig = &melt->coin_sig;
 	/* internal sanity check before we hand out a bogus sig... */
         if (GNUNET_OK !=
             GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_WALLET_COIN_MELT,
                                         &ms.purpose,
-                                        &melt->coin_sig.eddsa_signature,
+                                        &sig->eddsa_signature,
                                         &melt->coin.coin_pub.eddsa_pub))
 	{
 	  GNUNET_break (0);
@@ -480,18 +481,20 @@ compile_transaction_history (const struct TALER_MINTDB_TransactionList *tl)
 	  return NULL;
 	}
 
-        transaction = TALER_json_from_eddsa_sig (&ms.purpose,
-                                                 &melt->coin_sig.eddsa_signature);
+        details = TALER_json_from_data (&ms.purpose,
+                                        sizeof (struct TALER_RefreshMeltCoinAffirmationPS));
       }
       break;
     default:
       GNUNET_assert (0);
     }
     json_array_append_new (history,
-                           json_pack ("{s:s, s:o, s:o}",
+                           json_pack ("{s:s, s:o, s:o, s:o}",
                                       "type", type,
                                       "amount", TALER_json_from_amount (&value),
-                                      "signature", transaction));
+                                      "signature", TALER_json_from_data (sig,
+                                                                         sizeof (struct TALER_CoinSpendSignatureP)),
+                                      "details", details));
   }
   return history;
 }
@@ -539,7 +542,6 @@ compile_reserve_history (const struct TALER_MINTDB_ReserveHistory *rh,
   struct TALER_Amount withdraw_total;
   struct TALER_Amount value;
   json_t *json_history;
-  json_t *transaction;
   int ret;
   const struct TALER_MINTDB_ReserveHistory *pos;
   struct TALER_WithdrawRequestPS wr;
@@ -609,14 +611,13 @@ compile_reserve_history (const struct TALER_MINTDB_ReserveHistory *rh,
       GNUNET_CRYPTO_rsa_public_key_hash (pos->details.withdraw->denom_pub.rsa_public_key,
                                          &wr.h_denomination_pub);
       wr.h_coin_envelope = pos->details.withdraw->h_coin_envelope;
-
-      transaction = TALER_json_from_eddsa_sig (&wr.purpose,
-                                               &pos->details.withdraw->reserve_sig.eddsa_signature);
-
       json_array_append_new (json_history,
-                             json_pack ("{s:s, s:o, s:o}",
+                             json_pack ("{s:s, s:o, s:o, s:o}",
                                         "type", "WITHDRAW",
-                                        "signature", transaction,
+                                        "signature", TALER_json_from_data (&pos->details.withdraw->reserve_sig,
+                                                                           sizeof (struct TALER_ReserveSignatureP)),
+                                        "details", TALER_json_from_data (&wr,
+                                                                         sizeof (wr)),
                                         "amount", TALER_json_from_amount (&value)));
       break;
     }
diff --git a/src/mint/taler-mint-httpd_tracking.c b/src/mint/taler-mint-httpd_tracking.c
new file mode 100644
index 000000000..beb4b4dd1
--- /dev/null
+++ b/src/mint/taler-mint-httpd_tracking.c
@@ -0,0 +1,75 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2014, 2015 GNUnet e.V.
+
+  TALER is free software; you can redistribute it and/or modify it under the
+  terms of the GNU Affero General Public License as published by the Free Software
+  Foundation; either version 3, or (at your option) any later version.
+
+  TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more details.
+
+  You should have received a copy of the GNU Affero General Public License along with
+  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file taler-mint-httpd_tracking.c
+ * @brief Handle wire transfer tracking-related requests
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <gnunet/gnunet_util_lib.h>
+#include <jansson.h>
+#include <microhttpd.h>
+#include <pthread.h>
+#include "taler-mint-httpd_parsing.h"
+#include "taler-mint-httpd_tracking.h"
+#include "taler-mint-httpd_responses.h"
+
+
+/**
+ * Handle a "/wire/deposits" request.
+ *
+ * @param rh context of the handler
+ * @param connection the MHD connection to handle
+ * @param[in,out] connection_cls the connection's closure (can be updated)
+ * @param upload_data upload data
+ * @param[in,out] upload_data_size number of bytes (left) in @a upload_data
+ * @return MHD result code
+ */
+int
+TMH_TRACKING_handler_wire_deposits (struct TMH_RequestHandler *rh,
+                                    struct MHD_Connection *connection,
+                                    void **connection_cls,
+                                    const char *upload_data,
+                                    size_t *upload_data_size)
+{
+  GNUNET_break (0); // not implemented
+  return MHD_NO;
+}
+
+
+/**
+ * Handle a "/deposit/wtid" request.
+ *
+ * @param rh context of the handler
+ * @param connection the MHD connection to handle
+ * @param[in,out] connection_cls the connection's closure (can be updated)
+ * @param upload_data upload data
+ * @param[in,out] upload_data_size number of bytes (left) in @a upload_data
+ * @return MHD result code
+  */
+int
+TMH_TRACKING_handler_deposit_wtid (struct TMH_RequestHandler *rh,
+                                   struct MHD_Connection *connection,
+                                   void **connection_cls,
+                                   const char *upload_data,
+                                   size_t *upload_data_size)
+{
+  GNUNET_break (0); // not implemented
+  return MHD_NO;
+}
+
+
+/* end of taler-mint-httpd_tracking.c */
diff --git a/src/mint/taler-mint-httpd_tracking.h b/src/mint/taler-mint-httpd_tracking.h
new file mode 100644
index 000000000..9ec4c6827
--- /dev/null
+++ b/src/mint/taler-mint-httpd_tracking.h
@@ -0,0 +1,65 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2014, 2015 GNUnet e.V.
+
+  TALER is free software; you can redistribute it and/or modify it under the
+  terms of the GNU Affero General Public License as published by the Free Software
+  Foundation; either version 3, or (at your option) any later version.
+
+  TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more details.
+
+  You should have received a copy of the GNU Affero General Public License along with
+  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file taler-mint-httpd_tracking.h
+ * @brief Handle wire transfer tracking-related requests
+ * @author Christian Grothoff
+ */
+#ifndef TALER_MINT_HTTPD_TRACKING_H
+#define TALER_MINT_HTTPD_TRACKING_H
+
+#include <gnunet/gnunet_util_lib.h>
+#include <microhttpd.h>
+#include "taler-mint-httpd.h"
+
+
+/**
+ * Handle a "/wire/deposits" request.
+ *
+ * @param rh context of the handler
+ * @param connection the MHD connection to handle
+ * @param[in,out] connection_cls the connection's closure (can be updated)
+ * @param upload_data upload data
+ * @param[in,out] upload_data_size number of bytes (left) in @a upload_data
+ * @return MHD result code
+ */
+int
+TMH_TRACKING_handler_wire_deposits (struct TMH_RequestHandler *rh,
+                                    struct MHD_Connection *connection,
+                                    void **connection_cls,
+                                    const char *upload_data,
+                                    size_t *upload_data_size);
+
+
+/**
+ * Handle a "/deposit/wtid" request.
+ *
+ * @param rh context of the handler
+ * @param connection the MHD connection to handle
+ * @param[in,out] connection_cls the connection's closure (can be updated)
+ * @param upload_data upload data
+ * @param[in,out] upload_data_size number of bytes (left) in @a upload_data
+ * @return MHD result code
+  */
+int
+TMH_TRACKING_handler_deposit_wtid (struct TMH_RequestHandler *rh,
+                                   struct MHD_Connection *connection,
+                                   void **connection_cls,
+                                   const char *upload_data,
+                                   size_t *upload_data_size);
+
+
+#endif
diff --git a/src/util/json.c b/src/util/json.c
index 9f7623b2a..cea0118e1 100644
--- a/src/util/json.c
+++ b/src/util/json.c
@@ -104,40 +104,6 @@ TALER_json_from_abs (struct GNUNET_TIME_Absolute stamp)
 
 
 /**
- * Convert a signature (with purpose) to a JSON object representation.
- *
- * @param purpose purpose of the signature
- * @param signature the signature
- * @return the JSON reporesentation of the signature with purpose
- */
-json_t *
-TALER_json_from_eddsa_sig (const struct GNUNET_CRYPTO_EccSignaturePurpose *purpose,
-                           const struct GNUNET_CRYPTO_EddsaSignature *signature)
-{
-  json_t *root;
-  json_t *el;
-
-  root = json_object ();
-
-  el = json_integer ((json_int_t) ntohl (purpose->size));
-  json_object_set_new (root, "size", el);
-
-  el = json_integer ((json_int_t) ntohl (purpose->purpose));
-  json_object_set_new (root, "purpose", el);
-
-  el = TALER_json_from_data (purpose,
-                             ntohl (purpose->size));
-  json_object_set_new (root, "eddsa_val", el);
-
-  el = TALER_json_from_data (signature,
-                             sizeof (struct GNUNET_CRYPTO_EddsaSignature));
-  json_object_set_new (root, "eddsa_sig", el);
-
-  return root;
-}
-
-
-/**
  * Convert RSA public key to JSON.
  *
  * @param pk public key to convert
diff --git a/website/README b/website/README
deleted file mode 100644
index 0031645dd..000000000
--- a/website/README
+++ /dev/null
@@ -1,3 +0,0 @@
-This directory is the root of the mint's website, mainly
-intended to provide a way to the user to wire funds to the
-mints in the act of creating a reserve.
diff --git a/website/fake_wire_transfer.php b/website/fake_wire_transfer.php
deleted file mode 100644
index a788a372e..000000000
--- a/website/fake_wire_transfer.php
+++ /dev/null
@@ -1,79 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-<title>Fake Wire Transfer</title>
-    <script>
-        /*
-        @licstart  The following is the entire license notice for the
-        JavaScript code in this page.
-
-        Copyright (C) 2014,2015 GNUnet e.V.
-
-        The JavaScript code in this page is free software: you can
-        redistribute it and/or modify it under the terms of the GNU
-        Lesser General Public License (GNU LGPL) as published by the Free Software
-        Foundation, either version 2.1 of the License, or (at your option)
-        any later version.  The code is distributed WITHOUT ANY WARRANTY;
-        without even the implied warranty of MERCHANTABILITY or FITNESS
-        FOR A PARTICULAR PURPOSE.  See the GNU LGPL for more details.
-
-        As additional permission under GNU LGPL version 2.1 section 7, you
-        may distribute non-source (e.g., minimized or compacted) forms of
-        that code without the copy of the GNU LGPL normally required by
-        section 4, provided you include this license notice and a URL
-        through which recipients can access the Corresponding Source.
-
-        @licend  The above is the entire license notice
-        for the JavaScript code in this page.
-        */
-    </script>
-</head>
-<body>
-<!-- 
-  This page's main aim is to forward the fake wire transfer
-  request to the demonstrator and to inform the customer
-  about the result.  In a real-world deployment, this
-  page would not be required as the customer would do a 
-  wire transfer with his bank instead.
-  -->
-<?php
-
-// Evaluate form
-$reserve_pk = $_POST['reserve_pk'];
-$kudos_amount = $_POST['kudos_amount'];
-$mint = $_SERVER['SERVER_NAME'];
-
-// pack the JSON
-$json = json_encode (array ('reserve_pub' => $reserve_pk, 
-                            'execution_date' => "/Date(" . time() . ")/",
-                            'wire' => array ('type' => 'test'),
-                            'amount' => array ('value' => intval($kudos_amount),
-	                                       'fraction' => 0,
-					       'currency' => 'KUDOS'))); // TODO 'KUDOS' example needs 'KUDOS' denom keys ..
-
-// craft the HTTP request
-$req = new http\Client\Request ("POST",
-                                "http://" . $mint . "/admin/add/incoming",
-			        array ("Content-Type" => "application/json"));
-$req->getBody()->append ($json);
-
-// execute HTTP request
-$client = new http\Client;
-$client->enqueue($req)->send ();
-$resp = $client->getResponse ();
-
-// evaluate response
-$status_code = $resp->getResponseCode ();
-http_response_code ($status_code);
-
-if ($status_code != 200) 
-{
-  echo "Error $status_code when faking the wire transfer. Please report to taler@gnu.org";
-}
-else
-{
-  echo "Pretend wire transfer successful. Exit through the <a href=\"http://toy.taler.net\">gift shop</a> and enjoy shopping!";
-}
-?>
-</body>
-</html>
diff --git a/website/index.html b/website/index.html
deleted file mode 100644
index c79f3bbbb..000000000
--- a/website/index.html
+++ /dev/null
@@ -1,114 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-  <title>Taler's "Toy" Shop</title>
-  <link rel="stylesheet" type="text/css" href="style.css">
-    <script>
-        /*
-        @licstart  The following is the entire license notice for the
-        JavaScript code in this page.
-
-        Copyright (C) 2015 GNUnet e.V.
-
-        The JavaScript code in this page is free software: you can
-        redistribute it and/or modify it under the terms of the GNU
-        Lesser General Public License (GNU LGPL) as published by the Free Software
-        Foundation, either version 2.1 of the License, or (at your option)
-        any later version.  The code is distributed WITHOUT ANY WARRANTY;
-        without even the implied warranty of MERCHANTABILITY or FITNESS
-        FOR A PARTICULAR PURPOSE.  See the GNU LGPL for more details.
-
-        As additional permission under GNU LGPL version 2.1 section 7, you
-        may distribute non-source (e.g., minimized or compacted) forms of
-        that code without the copy of the GNU LGPL normally required by
-        section 4, provided you include this license notice and a URL
-        through which recipients can access the Corresponding Source.
-
-        @licend  The above is the entire license notice
-        for the JavaScript code in this page.
-        */
-    </script>
-</head>
-<body id="css-zen-garden" onload="signal_me()">
-    <div class="explanation" id="zen-explanation" role="article">
-      <h1>Welcome to the Taler "Demo" Mint</h1>
-      <p>Through this page, you can wire funds to our demonstrator mint
-         in order to create your reserves from where withdraw your coins.
-	 Once the reserve is created, the withdrawing of coins will be
-	 entirely handled by the wallet, with no intervention required
-	 to the user.
-      </p>
-      <p>
-      By clicking the button "Wire funds", your wallet will be triggered to
-      create a new reserve's key which needs to be pasted in the dedicated
-      field. Fill the desired amount to fund into the key's dialog, in order
-      to make the wallet check when the mint get all the funds for the reserve.
-      </p>
-
-    <input id="wire-funds-button" type="button" value="Wire funds" disabled=true
-      onclick='wire_funds();'></input>
-    </div>
-      <form id="reserve-form" name="tform" action="/fake_wire_transfer.php" method="POST">
-        <div class="participation" id="fake-wire">
-          <br>
-          Paste your reserve public key here (right-click, "paste"):
-          <input type="text" name="reserve_pk"></input>
-          <br>
-          Amount to credit to your reserve: 
-          <select id="amount" name="kudos_amount">
-            <option value="1">1 KUDOS</option>
-            <option value="2">2 KUDOS</option>
-            <option value="5">5 KUDOS</option>
-            <option value="10">10 KUDOS</option>
-            <option value="1000">1000 KUDOS</option>
-          </select>
-          <br>
-          <input type="submit" value="Submit"></input>
-          <br>
-        </div>
-      </form>
-    </div>
-  <script type="text/javascript">
-  
-  /* The wallet should send this signal only when:
-     - it gets installed
-     - it gets a 'taler-wire-mfirst' event */
-
-  document.body.addEventListener("taler-wallet-present",
-                                 has_taler_wallet_cb,
-				 false);
-
-  document.body.addEventListener("taler-unload",
-                                 no_taler_wallet_cb,
-				 false);
-
-  document.body.addEventListener("taler-load",
-                                 signal_me,
-				 false);
-
-
-
-  function wire_funds(){
-    var trigger = new Event("taler-create-reserve");
-    document.body.dispatchEvent(trigger);
-  };
-
-  /* The mint signals itself to the wallet */
-  function signal_me(){
-    var eve = new Event('taler-checkout-probe');
-    document.body.dispatchEvent(eve);
-  };
-
-  function has_taler_wallet_cb(){
-    var button = document.getElementById("wire-funds-button");
-    button.removeAttribute("disabled");
-  }
-
-  function no_taler_wallet_cb(){
-    var button = document.getElementById("wire-funds-button");
-    button.setAttribute("disabled", "true");
-  }
-
-  </script>
-</body>
-</html>
diff --git a/website/style.css b/website/style.css
deleted file mode 100644
index a476a630e..000000000
--- a/website/style.css
+++ /dev/null
@@ -1,328 +0,0 @@
-/* css Zen Garden submission 020 - 'Friendly Beaches' by Sophie G - www.sophie-g.net */
-/* css released under Creative Commons ShareAlike License v1.0 - http://creativecommons.org/licenses/sa/1.0/  */
-/* All associated graphics copyright 2003,  Sophie G */
-
-
-/* IMPORTANT */
-/* This design is not a template. You may not reproduce it elsewhere without the designer's written permission. */
-/* The CSS itself may freely be used for anything you wish, but the associated graphics belong to the designer. */
-/* What you may use - .css files. What you may not use - .jpg, .gif, and .png files. */
-
-
-
-body {
-	background-color: #FFFFFF;
-	margin: 0px;
-	padding: 10px;
-	font-family: Ubuntu, Tahoma, Sans;
-	font-size: 90%;
-}
-
-p {
-	line-height: 180%;
-}
-.page-wrapper {
-	background-color: #EDEEF0;
-	border: 1px solid #DAD5D9;
-	padding: 0px;
-	margin: 0px;
-}
-abbr {
-	border-bottom: 1px #6BA0D2 dashed;
-}
-header,h1 {
-	font-family: Impact, Georgia, serif;
-	background-color: #FFFFFF;
-}
-header h1 {
-	height: 190px;
-	margin: 0px;
-	background-color: black;
-	background-image: url(Gala.jpg);
-	background-repeat: no-repeat;
-}
-header h1, header h2 {
-	text-indent: 100%;
-	white-space: nowrap;
-	overflow: hidden;
-}
-header h2 {
-	background-color: #EDEEF0;
-	margin: 0px;
-	height: 24px;
-	padding: 0px 14px 2px 14px;
-	background-image: url(headerh2.gif);
-	background-repeat: no-repeat;
-}
-header h2 abbr {
-	color: #FFF;
-	border-bottom: 1px #FFF dashed;
-}
-.summary p:first-child {
-	position: absolute;
-	right: 21px;
-	top: 21px;
-	width: 12em;
-	height: 165px;
-	padding: 3px 0 0 0;
-	margin: 0px;
-	border: 1px solid #0C2953;
-	text-align: center;
-	font-size: 90%;
-	font-family: Impact, Georgia, serif;
-	line-height: 110%;
-	color: #FFF;
-	background-image: url(summary.jpg);
-	background-repeat: no-repeat;
-	background-position: 50% 100%; 
-	background-color: #0C2953;	
-}
-.preamble {
-	padding: 0px 15em 0px 3em;
-}
-.preamble h3 {
-	margin: 15px 0px 0px 0px;
-	padding: 6px 20px 2px 6px;
-	text-align: left;
-	font-size: 180%;
-	font-variant: small-caps;
-	color: #6BA0D2;
-	background-image: url(bordDroitPreambleh3.gif);
-	background-repeat: no-repeat;
-	background-position: 100% 0px;
-	background-color: #F6F7F7;
-}
-.preamble h3::before {
-	content: " ";
-	display: inline-block;
-	padding: 35px 0px 30px 48px;
-	background-image: url(preambleShell.jpg);
-	background-repeat: no-repeat;
-	background-position: 0px 50%;
-	vertical-align: middle;
-}
-.preamble p {
-	text-align: justify;
-}
-.preamble p:nth-child(2), .preamble p:nth-child(3) {
-	margin: 0px;
-	padding: 10px 20px 2px 6px;
-	background-image: url(bordDroitPreamble.gif);
-	background-repeat: repeat-y;
-	background-position: 100% 0px;
-	background-color: #F6F7F7;
-}
-.preamble p:nth-child(4) {
-	margin: 0px;
-	padding: 0px;
-	background-image: url(bordBasPreamble.gif);
-	background-repeat: no-repeat;
-	background-position: 100% 100%;
-	background-color: #F6F7F7;
-	padding: 10px 20px 20px 6px;
-}
-.preamble p:nth-child(4)::after {
-	content: " ";
-	display: block;
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