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-rw-r--r--src/exchange-lib/testing_api_cmd_fakebank_transfer.c311
1 files changed, 311 insertions, 0 deletions
diff --git a/src/exchange-lib/testing_api_cmd_fakebank_transfer.c b/src/exchange-lib/testing_api_cmd_fakebank_transfer.c
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+++ b/src/exchange-lib/testing_api_cmd_fakebank_transfer.c
@@ -0,0 +1,311 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2018 Taler Systems SA
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ TALER; see the file COPYING. If not, see
+ <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file exchange-lib/testing_api_cmd_fakebank_transfer.c
+ * @brief implementation of a fakebank wire transfer command
+ * @author Christian Grothoff
+ * @author Marcello Stanisci
+ */
+#include "platform.h"
+#include "taler_json_lib.h"
+#include <gnunet/gnunet_curl_lib.h>
+#include "exchange_api_handle.h"
+#include "taler_bank_service.h"
+#include "taler_fakebank_lib.h"
+#include "taler_signatures.h"
+#include "taler_testing_lib.h"
+
+/**
+ *
+ */
+struct FakebankTransferState
+{
+
+ /**
+ * Label to another admin_add_incoming command if we
+ * should deposit into an existing reserve, NULL if
+ * a fresh reserve should be created.
+ */
+ const char *reserve_reference;
+
+ /**
+ * String describing the amount to add to the reserve.
+ */
+ struct TALER_Amount amount;
+
+ /**
+ * Wire transfer subject. NULL to use public key corresponding
+ * to @e reserve_priv or @e reserve_reference. Should only be
+ * set manually to test invalid wire transfer subjects.
+ */
+ const char *subject;
+
+ /**
+ * Sender (debit) account number.
+ */
+ uint64_t debit_account_no;
+
+ /**
+ * Receiver (credit) account number.
+ */
+ uint64_t credit_account_no;
+
+ /**
+ * Username to use for authentication.
+ */
+ const char *auth_username;
+
+ /**
+ * Password to use for authentication.
+ */
+ const char *auth_password;
+
+ /**
+ * Set (by the interpreter) to the reserve's private key
+ * we used to fill the reserve.
+ */
+ struct TALER_ReservePrivateKeyP reserve_priv;
+
+ /**
+ * Set to the API's handle during the operation.
+ */
+ struct TALER_BANK_AdminAddIncomingHandle *aih;
+
+ /**
+ * Interpreter state while command is running.
+ */
+ struct TALER_TESTING_Interpreter *is;
+
+ /**
+ * Set to the wire transfer's unique ID.
+ */
+ uint64_t serial_id;
+
+};
+
+
+/**
+ * Function called upon completion of our /admin/add/incoming request.
+ *
+ * @param cls closure with the interpreter state
+ * @param http_status HTTP response code, #MHD_HTTP_OK (200) for successful status request
+ * 0 if the exchange's reply is bogus (fails to follow the protocol)
+ * @param ec taler-specific error code, #TALER_EC_NONE on success
+ * @param serial_id unique ID of the wire transfer
+ * @param full_response full response from the exchange (for logging, in case of errors)
+ */
+static void
+add_incoming_cb (void *cls,
+ unsigned int http_status,
+ enum TALER_ErrorCode ec,
+ uint64_t serial_id,
+ const json_t *full_response)
+{
+ struct FakebankTransferState *fts = cls;
+ struct TALER_TESTING_Interpreter *is = fts->is;
+
+ fts->aih = NULL;
+ fts->serial_id = serial_id;
+ if (MHD_HTTP_OK != http_status)
+ {
+ GNUNET_break (0);
+ TALER_TESTING_interpreter_fail (is);
+ return;
+ }
+ TALER_TESTING_interpreter_next (is);
+}
+
+
+/**
+ * Runs the command. Note that upon return, the interpreter
+ * will not automatically run the next command, as the command
+ * may continue asynchronously in other scheduler tasks. Thus,
+ * the command must ensure to eventually call
+ * #TALER_TESTING_interpreter_next() or
+ * #TALER_TESTING_interpreter_fail().
+ *
+ * @param is interpreter state
+ */
+static void
+fakebank_transfer_run (void *cls,
+ const struct TALER_TESTING_Command *cmd,
+ struct TALER_TESTING_Interpreter *is)
+{
+ struct FakebankTransferState *fts = cls;
+ char *subject;
+ struct TALER_BANK_AuthenticationData auth;
+ struct TALER_ReservePublicKeyP reserve_pub;
+
+ if (NULL != fts->subject)
+ {
+ subject = GNUNET_strdup (fts->subject);
+ }
+ else
+ {
+ /* Use reserve public key as subject */
+#if FIXME_NEEDS_TRAIT
+ if (NULL != fts->reserve_reference)
+ {
+ ref = find_command (is,
+ fts->reserve_reference);
+ GNUNET_assert (NULL != ref);
+ GNUNET_assert (OC_ADMIN_ADD_INCOMING == ref->oc);
+ // FIXME: needs trait...
+ fts->reserve_priv = ref->details.admin_add_incoming.reserve_priv;
+ }
+ else
+ {
+#endif
+ struct GNUNET_CRYPTO_EddsaPrivateKey *priv;
+
+ priv = GNUNET_CRYPTO_eddsa_key_create ();
+ fts->reserve_priv.eddsa_priv = *priv;
+ GNUNET_free (priv);
+#if FIXME_NEEDS_TRAIT
+ }
+#endif
+ GNUNET_CRYPTO_eddsa_key_get_public (&fts->reserve_priv.eddsa_priv,
+ &reserve_pub.eddsa_pub);
+ subject = GNUNET_STRINGS_data_to_string_alloc (&reserve_pub,
+ sizeof (reserve_pub));
+ }
+
+ auth.method = TALER_BANK_AUTH_BASIC;
+ auth.details.basic.username = (char *) fts->auth_username;
+ auth.details.basic.password = (char *) fts->auth_password;
+ fts->is = is;
+ fts->aih
+ = TALER_BANK_admin_add_incoming (TALER_TESTING_interpreter_get_context (is),
+ "http://localhost:8082/", /* bank URL: FIXME */
+ &auth,
+ "https://exchange.com/", /* exchange URL: FIXME */
+ subject,
+ &fts->amount,
+ fts->debit_account_no,
+ fts->credit_account_no,
+ &add_incoming_cb,
+ fts);
+ GNUNET_free (subject);
+ if (NULL == fts->aih)
+ {
+ GNUNET_break (0);
+ TALER_TESTING_interpreter_fail (is);
+ return;
+ }
+}
+
+
+/**
+ * Clean up after the command. Run during forced termination
+ * (CTRL-C) or test failure or test success.
+ *
+ * @param cls closure
+ */
+static void
+fakebank_transfer_cleanup (void *cls,
+ const struct TALER_TESTING_Command *cmd)
+{
+ struct FakebankTransferState *fts = cls;
+
+ if (NULL != fts->aih)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Command %s did not complete\n",
+ cmd->label);
+ TALER_BANK_admin_add_incoming_cancel (fts->aih);
+ }
+ GNUNET_free (fts);
+}
+
+
+/**
+ * Extract information from a command that is useful for other
+ * commands.
+ *
+ * @param cls closure
+ * @param ret[out] result (could be anything)
+ * @param trait name of the trait
+ * @param selector more detailed information about which object
+ * to return in case there were multiple generated
+ * by the command
+ * @return #GNUNET_OK on success
+ */
+static int
+fakebank_transfer_traits (void *cls,
+ void **ret,
+ const char *trait,
+ const char *selector)
+{
+ struct FakebankTransferState *fts = cls;
+ struct TALER_TESTING_Trait traits[] = {
+ TALER_TESTING_make_trait_reserve_priv (NULL,
+ &fts->reserve_priv),
+ TALER_TESTING_trait_end ()
+ };
+
+ if (NULL != fts->subject)
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR; /* we do NOT create a reserve private key */
+ }
+ return TALER_TESTING_get_trait (traits,
+ ret,
+ trait,
+ selector);
+}
+
+
+/**
+ * Create fakebank_transfer command.
+ *
+ */
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_fakebank_transfer (const char *label,
+ const char *amount,
+ uint64_t debit_account_no,
+ uint64_t credit_account_no,
+ const char *auth_username,
+ const char *auth_password)
+{
+ struct TALER_TESTING_Command cmd;
+ struct FakebankTransferState *fts;
+
+ fts = GNUNET_new (struct FakebankTransferState);
+ fts->credit_account_no = credit_account_no;
+ fts->debit_account_no = debit_account_no;
+ fts->auth_username = auth_username;
+ fts->auth_password = auth_password;
+ if (GNUNET_OK !=
+ TALER_string_to_amount (amount,
+ &fts->amount))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to parse amount `%s' at %s\n",
+ amount,
+ label);
+ GNUNET_assert (0);
+ }
+ cmd.cls = fts;
+ cmd.label = label;
+ cmd.run = &fakebank_transfer_run;
+ cmd.cleanup = &fakebank_transfer_cleanup;
+ cmd.traits = &fakebank_transfer_traits;
+ return cmd;
+}
+
+
+/* end of testing_api_cmd_fakebank_transfer.c */