From 82b0eda3ef736ea59c425141dba7d19c762248e5 Mon Sep 17 00:00:00 2001 From: Christian Grothoff Date: Sun, 21 Jan 2018 15:39:48 +0100 Subject: new test interpreter architecture, first draft --- .gitignore | 1 + src/exchange-lib/Makefile.am | 45 ++- src/exchange-lib/test_exchange_api.c | 4 +- src/exchange-lib/test_exchange_api_new.c | 332 +++++++++++++++++++++ .../testing_api_cmd_fakebank_transfer.c | 311 +++++++++++++++++++ src/exchange-lib/testing_api_cmd_withdraw.c | 193 ++++++++++++ src/exchange-lib/testing_api_loop.c | 327 ++++++++++++++++++++ src/exchange-lib/testing_api_trait_coin_priv.c | 67 +++++ src/exchange-lib/testing_api_trait_reserve_priv.c | 65 ++++ src/exchange-lib/testing_api_traits.c | 70 +++++ src/include/Makefile.am | 1 + src/include/taler_testing_lib.h | 262 ++++++++++++++++ 12 files changed, 1671 insertions(+), 7 deletions(-) create mode 100644 src/exchange-lib/test_exchange_api_new.c create mode 100644 src/exchange-lib/testing_api_cmd_fakebank_transfer.c create mode 100644 src/exchange-lib/testing_api_cmd_withdraw.c create mode 100644 src/exchange-lib/testing_api_loop.c create mode 100644 src/exchange-lib/testing_api_trait_coin_priv.c create mode 100644 src/exchange-lib/testing_api_trait_reserve_priv.c create mode 100644 src/exchange-lib/testing_api_traits.c create mode 100644 src/include/taler_testing_lib.h diff --git a/.gitignore b/.gitignore index 16a2c2d74..7bf23b48a 100644 --- a/.gitignore +++ b/.gitignore @@ -92,3 +92,4 @@ contrib/auditor-report.log contrib/auditor-report.tex contrib/auditor-report.pdf src/bank-lib/taler-bank-transfer +src/exchange-lib/test_exchange_api_new diff --git a/src/exchange-lib/Makefile.am b/src/exchange-lib/Makefile.am index 8aad8c9df..202e52a4d 100644 --- a/src/exchange-lib/Makefile.am +++ b/src/exchange-lib/Makefile.am @@ -7,12 +7,12 @@ if USE_COVERAGE endif lib_LTLIBRARIES = \ - libtalerexchange.la + libtalerexchange.la \ + libtalertesting.la libtalerexchange_la_LDFLAGS = \ -version-info 4:0:0 \ -no-undefined - libtalerexchange_la_SOURCES = \ exchange_api_common.c \ exchange_api_handle.c exchange_api_handle.h \ @@ -25,7 +25,6 @@ libtalerexchange_la_SOURCES = \ exchange_api_track_transaction.c \ exchange_api_track_transfer.c \ exchange_api_wire.c - libtalerexchange_la_LIBADD = \ $(top_builddir)/src/json/libtalerjson.la \ $(top_builddir)/src/util/libtalerutil.la \ @@ -35,6 +34,26 @@ libtalerexchange_la_LIBADD = \ -ljansson \ $(XLIB) + +libtalertesting_la_LDFLAGS = \ + -version-info 0:0:0 \ + -no-undefined +libtalertesting_la_SOURCES = \ + testing_api_loop.c \ + testing_api_traits.c \ + testing_api_cmd_fakebank_transfer.c \ + testing_api_trait_reserve_priv.c \ + testing_api_trait_coin_priv.c + +libtalertesting_la_LIBADD = \ + $(top_builddir)/src/json/libtalerjson.la \ + $(top_builddir)/src/util/libtalerutil.la \ + -lgnunetcurl \ + -lgnunetjson \ + -lgnunetutil \ + -ljansson \ + $(XLIB) + if HAVE_LIBCURL libtalerexchange_la_LIBADD += -lcurl else @@ -45,12 +64,14 @@ endif check_PROGRAMS = \ test_exchange_api \ - test_exchange_api_keys_cherry_picking + test_exchange_api_keys_cherry_picking \ + test_exchange_api_new AM_TESTS_ENVIRONMENT=export TALER_PREFIX=$${TALER_PREFIX:-@libdir@};export PATH=$${TALER_PREFIX:-@prefix@}/bin:$$PATH; TESTS = \ - $(check_PROGRAMS) + test_exchange_api \ + test_exchange_api_keys_cherry_picking test_exchange_api_SOURCES = \ test_exchange_api.c @@ -65,6 +86,20 @@ test_exchange_api_LDADD = \ -lgnunetutil \ -ljansson +test_exchange_api_new_SOURCES = \ + test_exchange_api_new.c +test_exchange_api_new_LDADD = \ + libtalertesting.la \ + libtalerexchange.la \ + $(LIBGCRYPT_LIBS) \ + $(top_builddir)/src/bank-lib/libtalerfakebank.la \ + $(top_builddir)/src/bank-lib/libtalerbank.la \ + $(top_builddir)/src/json/libtalerjson.la \ + $(top_builddir)/src/util/libtalerutil.la \ + -lgnunetcurl \ + -lgnunetutil \ + -ljansson + test_exchange_api_keys_cherry_picking_SOURCES = \ test_exchange_api_keys_cherry_picking.c test_exchange_api_keys_cherry_picking_LDADD = \ diff --git a/src/exchange-lib/test_exchange_api.c b/src/exchange-lib/test_exchange_api.c index bccd4f99c..a276d5cab 100644 --- a/src/exchange-lib/test_exchange_api.c +++ b/src/exchange-lib/test_exchange_api.c @@ -3612,7 +3612,7 @@ run (void *cls) .details.refund.fee = "EUR:0.01", .details.refund.deposit_ref = "deposit-refund-1b", }, - /* Run transfers. This will do the transfer as refund deadline + /* Run transfers. This will do the transfer as refund deadline was 0, except of course because the refund succeeded, the transfer should no longer be done. */ { .oc = OC_RUN_AGGREGATOR, @@ -3621,7 +3621,7 @@ run (void *cls) { .oc = OC_CHECK_BANK_TRANSFERS_EMPTY, .label = "check-refund-fast-not-run" }, - + /* ************** End of refund API testing************* */ /* ************** Test /payback API ************* */ diff --git a/src/exchange-lib/test_exchange_api_new.c b/src/exchange-lib/test_exchange_api_new.c new file mode 100644 index 000000000..573e900f5 --- /dev/null +++ b/src/exchange-lib/test_exchange_api_new.c @@ -0,0 +1,332 @@ +/* + This file is part of TALER + Copyright (C) 2014-2018 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 +*/ +/** + * @file exchange/test_exchange_api_new.c + * @brief testcase to test exchange's HTTP API interface + * @author Sree Harsha Totakura + * @author Christian Grothoff + */ +#include "platform.h" +#include "taler_util.h" +#include "taler_signatures.h" +#include "taler_exchange_service.h" +#include "taler_json_lib.h" +#include +#include +#include "taler_bank_service.h" +#include "taler_fakebank_lib.h" +#include "taler_testing_lib.h" + + +/** + * Is the configuration file is set to include wire format 'test'? + */ +#define WIRE_TEST 1 + +/** + * Is the configuration file is set to include wire format 'sepa'? + */ +#define WIRE_SEPA 1 + +/** + * Account number of the exchange at the bank. + */ +#define EXCHANGE_ACCOUNT_NO 2 + +/** + * Handle to access the exchange. + */ +// static struct TALER_EXCHANGE_Handle *exchange; + + +/** + * Pipe used to communicate child death via signal. + */ +static struct GNUNET_DISK_PipeHandle *sigpipe; + +/** + * Handle to the exchange process. + */ +static struct GNUNET_OS_Process *exchanged; + + +/** + * Handle to our fakebank. + */ +static struct TALER_FAKEBANK_Handle *fakebank; + + + + +/** + * Function run when the test terminates (good or bad). + * Cleans up our state. + * + * @param cls NULL + */ +static void +do_shutdown (void *cls) +{ + if (NULL != fakebank) + { + TALER_FAKEBANK_stop (fakebank); + fakebank = NULL; + } +} + + +/** + * Main function that will tell the interpreter what to do. + * + * @param cls closure + */ +static void +run (void *cls, + struct TALER_TESTING_Interpreter *is) +{ + struct TALER_TESTING_Command commands[] = { + TALER_TESTING_cmd_fakebank_transfer ("create-reserve-1", + "EUR:5.01", + 42, + EXCHANGE_ACCOUNT_NO, + "user42", + "pass42"), + TALER_TESTING_cmd_end () + }; + + fakebank = TALER_FAKEBANK_start (8082); + TALER_TESTING_run (is, + commands); + GNUNET_SCHEDULER_add_shutdown (&do_shutdown, + NULL); +} + + +/** + * Signal handler called for SIGCHLD. Triggers the + * respective handler by writing to the trigger pipe. + */ +static void +sighandler_child_death () +{ + static char c; + int old_errno = errno; /* back-up errno */ + + GNUNET_break (1 == + GNUNET_DISK_file_write (GNUNET_DISK_pipe_handle + (sigpipe, GNUNET_DISK_PIPE_END_WRITE), + &c, sizeof (c))); + errno = old_errno; /* restore errno */ +} + + + +/** + * Remove files from previous runs + */ +static void +cleanup_files () +{ + struct GNUNET_CONFIGURATION_Handle *cfg; + char *dir; + + cfg = GNUNET_CONFIGURATION_create (); + if (GNUNET_OK != + GNUNET_CONFIGURATION_load (cfg, + "test_exchange_api.conf")) + { + GNUNET_break (0); + GNUNET_CONFIGURATION_destroy (cfg); + exit (77); + } + GNUNET_assert (GNUNET_OK == + GNUNET_CONFIGURATION_get_value_filename (cfg, + "exchange", + "keydir", + &dir)); + if (GNUNET_YES == + GNUNET_DISK_directory_test (dir, + GNUNET_NO)) + GNUNET_break (GNUNET_OK == + GNUNET_DISK_directory_remove (dir)); + GNUNET_free (dir); + GNUNET_CONFIGURATION_destroy (cfg); +} + + + + +int +main (int argc, + char * const *argv) +{ + struct GNUNET_OS_Process *proc; + struct GNUNET_SIGNAL_Context *shc_chld; + enum GNUNET_OS_ProcessStatusType type; + unsigned long code; + unsigned int iter; + int result; + + /* These might get in the way... */ + unsetenv ("XDG_DATA_HOME"); + unsetenv ("XDG_CONFIG_HOME"); + GNUNET_log_setup ("test-exchange-api", + "INFO", + NULL); + if (GNUNET_OK != + GNUNET_NETWORK_test_port_free (IPPROTO_TCP, + 8081)) + { + fprintf (stderr, + "Required port %u not available, skipping.\n", + 8081); + return 77; + } + if (GNUNET_OK != + GNUNET_NETWORK_test_port_free (IPPROTO_TCP, + 8082)) + { + fprintf (stderr, + "Required port %u not available, skipping.\n", + 8082); + return 77; + } + cleanup_files (); + + proc = GNUNET_OS_start_process (GNUNET_NO, + GNUNET_OS_INHERIT_STD_ALL, + NULL, NULL, NULL, + "taler-exchange-keyup", + "taler-exchange-keyup", + "-c", "test_exchange_api.conf", + "-o", "auditor.in", + NULL); + if (NULL == proc) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Failed to run `taler-exchange-keyup`, is your PATH correct?\n"); + return 77; + } + GNUNET_OS_process_wait (proc); + GNUNET_OS_process_destroy (proc); + + proc = GNUNET_OS_start_process (GNUNET_NO, + GNUNET_OS_INHERIT_STD_ALL, + NULL, NULL, NULL, + "taler-auditor-sign", + "taler-auditor-sign", + "-c", "test_exchange_api.conf", + "-u", "http://auditor/", + "-m", "98NJW3CQHZQGQXTY3K85K531XKPAPAVV4Q5V8PYYRR00NJGZWNVG", + "-r", "auditor.in", + "-o", "test_exchange_api_home/.local/share/taler/auditors/auditor.out", + NULL); + if (NULL == proc) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Failed to run `taler-exchange-keyup`, is your PATH correct?\n"); + return 77; + } + GNUNET_OS_process_wait (proc); + GNUNET_OS_process_destroy (proc); + + proc = GNUNET_OS_start_process (GNUNET_NO, + GNUNET_OS_INHERIT_STD_ALL, + NULL, NULL, NULL, + "taler-exchange-dbinit", + "taler-exchange-dbinit", + "-c", "test_exchange_api.conf", + "-r", + NULL); + if (NULL == proc) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Failed to run `taler-exchange-dbinit`, is your PATH correct?\n"); + return 77; + } + if (GNUNET_SYSERR == + GNUNET_OS_process_wait_status (proc, + &type, + &code)) + { + GNUNET_break (0); + GNUNET_OS_process_destroy (proc); + return 1; + } + GNUNET_OS_process_destroy (proc); + if ( (type == GNUNET_OS_PROCESS_EXITED) && + (0 != code) ) + { + fprintf (stderr, + "Failed to setup database\n"); + return 77; + } + if ( (type != GNUNET_OS_PROCESS_EXITED) || + (0 != code) ) + { + fprintf (stderr, + "Unexpected error running `taler-exchange-dbinit'!\n"); + return 1; + } + exchanged = GNUNET_OS_start_process (GNUNET_NO, + GNUNET_OS_INHERIT_STD_ALL, + NULL, NULL, NULL, + "taler-exchange-httpd", + "taler-exchange-httpd", + "-c", "test_exchange_api.conf", + "-i", + NULL); + /* give child time to start and bind against the socket */ + fprintf (stderr, + "Waiting for `taler-exchange-httpd' to be ready"); + iter = 0; + do + { + if (10 == iter) + { + fprintf (stderr, + "Failed to launch `taler-exchange-httpd' (or `wget')\n"); + GNUNET_OS_process_kill (exchanged, + SIGTERM); + GNUNET_OS_process_wait (exchanged); + GNUNET_OS_process_destroy (exchanged); + return 77; + } + fprintf (stderr, "."); + sleep (1); + iter++; + } + while (0 != system ("wget -q -t 1 -T 1 http://127.0.0.1:8081/keys -o /dev/null -O /dev/null")); + fprintf (stderr, "\n"); + sigpipe = GNUNET_DISK_pipe (GNUNET_NO, GNUNET_NO, + GNUNET_NO, GNUNET_NO); + GNUNET_assert (NULL != sigpipe); + shc_chld = GNUNET_SIGNAL_handler_install (GNUNET_SIGCHLD, + &sighandler_child_death); + + result = TALER_TESTING_setup (&run, NULL); + + GNUNET_SIGNAL_handler_uninstall (shc_chld); + shc_chld = NULL; + GNUNET_DISK_pipe_close (sigpipe); + GNUNET_break (0 == + GNUNET_OS_process_kill (exchanged, + SIGTERM)); + GNUNET_break (GNUNET_OK == + GNUNET_OS_process_wait (exchanged)); + GNUNET_OS_process_destroy (exchanged); + return (GNUNET_OK == result) ? 0 : 1; +} diff --git a/src/exchange-lib/testing_api_cmd_fakebank_transfer.c b/src/exchange-lib/testing_api_cmd_fakebank_transfer.c new file mode 100644 index 000000000..a5f5be34c --- /dev/null +++ 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 + +*/ +/** + * @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 +#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 */ diff --git a/src/exchange-lib/testing_api_cmd_withdraw.c b/src/exchange-lib/testing_api_cmd_withdraw.c new file mode 100644 index 000000000..bee467eb7 --- /dev/null +++ b/src/exchange-lib/testing_api_cmd_withdraw.c @@ -0,0 +1,193 @@ +/* + 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 + +*/ +/** + * @file exchange-lib/testing_api_cmd_withdraw.c + * @brief main interpreter loop for testcases + * @author Christian Grothoff + * @author Marcello Stanisci + */ +#include "platform.h" +#include "taler_json_lib.h" +#include +#include "exchange_api_handle.h" +#include "taler_signatures.h" + + +struct WithdrawState +{ + + /** + * Which reserve should we withdraw from? + */ + const char *reserve_reference; + + /** + * String describing the denomination value we should withdraw. + * A corresponding denomination key must exist in the exchange's + * offerings. Can be NULL if @e pk is set instead. + */ + struct TALER_Amount amount; + + /** + * If @e amount is NULL, this specifies the denomination key to + * use. Otherwise, this will be set (by the interpreter) to the + * denomination PK matching @e amount. + */ + const struct TALER_EXCHANGE_DenomPublicKey *pk; + + /** + * Set (by the interpreter) to the exchange's signature over the + * coin's public key. + */ + struct TALER_DenominationSignature sig; + + /** + * Private key material of the coin, set by the interpreter. + */ + struct TALER_PlanchetSecretsP ps; + + /** + * Withdraw handle (while operation is running). + */ + struct TALER_EXCHANGE_ReserveWithdrawHandle *wsh; + +}; + + + /** + * 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 i interpreter state + */ +static void +withdraw_run (void *cls, + struct TALER_TESTING_Interpreter *i) +{ + struct WithdrawState *ws = cls; + struct TALER_ReservePrivateKeyP rp; + struct TALER_TESTING_Command *create_reserve; + + create_reserve + = TALER_TESTING_interpreter_lookup_command (i, + ws->reserve_reference); + if (NULL == create_reserve) + { + GNUNET_break (0); + TALER_TESTING_interpreter_fail (i); + return; + } + if (GNUNET_OK != + TALER_TESTING_get_trait_reserve_priv (create_reserve, + NULL, + &rp)) + { + GNUNET_break (0); + TALER_TESTING_interpreter_fail (i); + return; + } + // ... trigger withdraw + // ... eventually: TALER_TESTING_interpreter_next (i); +} + + +/** + * Clean up after the command. Run during forced termination + * (CTRL-C) or test failure or test success. + * + * @param cls closure + */ +static void +withdraw_cleanup (void *cls) +{ + struct WithdrawState *ws = cls; + +} + + +/** + * 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 +withdraw_traits (void *cls, + void **ret, + const char *trait, + const char *selector) +{ + struct WithdrawState *ws = cls; + struct TALER_INTERPRETER_Trait traits[] = { + TALER_TESTING_make_trait_coin_priv (NULL /* only one coin */, + &ws->ps.coin_priv), +#if 0 + TALER_TESTING_make_trait_coin_blinding_key (NULL /* only one coin */, + &ws->ps.blinding_key), + TALER_TESTING_make_trait_coin_denomination_key (NULL /* only one coin */, + ws->pk), + TALER_TESTING_make_trait_coin_denomination_sig (NULL /* only one coin */, + &ws->sig), +#endif + TALER_TESTING_trait_end () + }; + + return TALER_TESTING_get_trait (traits, + ret, + trait, + selector); +} + + +/** + * Create withdraw command. + * + */ +struct TALER_TESTING_Command +TALER_TESTING_cmd_withdraw_amount (const char *label, + const char *reserve_reference, + const char *amount) +{ + struct TALER_TESTING_Command cmd; + struct WithdrawState *ws; + + ws = GNUNET_new (struct WithdrawState); + ws->reserve_reference = reserve_reference; + // convert amount -> ws->amount; + cmd.cls = ws; + cmd.label = label; + cmd.run = &withdraw_run; + cmd.cleanup = &withdraw_cleanup; + cmd.traits = &withdraw_traits; + return cmd; +} + + + + + +/* end of testing_api_cmd_withdraw.c */ diff --git a/src/exchange-lib/testing_api_loop.c b/src/exchange-lib/testing_api_loop.c new file mode 100644 index 000000000..ae721f65e --- /dev/null +++ b/src/exchange-lib/testing_api_loop.c @@ -0,0 +1,327 @@ +/* + 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 + +*/ +/** + * @file exchange-lib/testing_api_loop.c + * @brief main interpreter loop for testcases + * @author Christian Grothoff + * @author Marcello Stanisci + */ +#include "platform.h" +#include "taler_json_lib.h" +#include +#include "exchange_api_handle.h" +#include "taler_signatures.h" +#include "taler_testing_lib.h" + +/** + * Global state of the interpreter, used by a command + * to access information about other commands. + */ +struct TALER_TESTING_Interpreter +{ + + /** + * Commands the interpreter will run. + */ + struct TALER_TESTING_Command *commands; + + /** + * Interpreter task (if one is scheduled). + */ + struct GNUNET_SCHEDULER_Task *task; + + /** + * Main execution context for the main loop. + */ + struct GNUNET_CURL_Context *ctx; + + /** + * Context for running the CURL event loop. + */ + struct GNUNET_CURL_RescheduleContext *rc; + + /** + * Task run on timeout. + */ + struct GNUNET_SCHEDULER_Task *timeout_task; + + /** + * Instruction pointer. Tells #interpreter_run() which + * instruction to run next. + */ + unsigned int ip; + + /** + * Result of the testcases, #GNUNET_OK on success + */ + int result; + + /** + * Pipe used to communicate child death via signal. + */ + struct GNUNET_DISK_PipeHandle *sigpipe; + +}; + + +/** + * Lookup command by label. + * + * @param is interpreter state to search + * @param label label to look for + * @return NULL if command was not found + */ +const struct TALER_TESTING_Command * +TALER_TESTING_interpreter_lookup_command (struct TALER_TESTING_Interpreter *is, + const char *label) +{ + const struct TALER_TESTING_Command *cmd; + + if (NULL == label) + { + GNUNET_log (GNUNET_ERROR_TYPE_WARNING, + "Attempt to lookup command for empty label\n"); + return NULL; + } + for (unsigned int i=0;NULL != (cmd = &is->commands[i])->label;i++) + if ( (NULL != cmd->label) && + (0 == strcmp (cmd->label, + label)) ) + return cmd; + GNUNET_log (GNUNET_ERROR_TYPE_WARNING, + "Command not found: %s\n", + label); + return NULL; + +} + + +/** + * Obtain main execution context for the main loop. + */ +struct GNUNET_CURL_Context * +TALER_TESTING_interpreter_get_context (struct TALER_TESTING_Interpreter *i) +{ + return i->ctx; +} + + +/** + * Run the main interpreter loop that performs exchange operations. + * + * @param cls contains the `struct InterpreterState` + */ +static void +interpreter_run (void *cls); + + +/** + * Current command is done, run the next one. + */ +void +TALER_TESTING_interpreter_next (struct TALER_TESTING_Interpreter *i) +{ + if (GNUNET_SYSERR == i->result) + return; /* ignore, we already failed! */ + i->ip++; + i->task = GNUNET_SCHEDULER_add_now (&interpreter_run, + i); +} + + +/** + * Current command failed, clean up and fail the test case. + */ +void +TALER_TESTING_interpreter_fail (struct TALER_TESTING_Interpreter *i) +{ + i->result = GNUNET_SYSERR; + GNUNET_SCHEDULER_shutdown (); +} + + +/** + * Create command array terminator. + */ +struct TALER_TESTING_Command +TALER_TESTING_cmd_end (void) +{ + static struct TALER_TESTING_Command cmd; + + return cmd; +} + + +/** + * Run the main interpreter loop that performs exchange operations. + * + * @param cls contains the `struct TALER_TESTING_Interpreter` + */ +static void +interpreter_run (void *cls) +{ + struct TALER_TESTING_Interpreter *is = cls; + struct TALER_TESTING_Command *cmd = &is->commands[is->ip]; + + is->task = NULL; + + if (NULL == cmd->label) + { + is->result = GNUNET_OK; + GNUNET_SCHEDULER_shutdown (); + return; + } + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Running command `%s'\n", + cmd->label); + cmd->run (cmd->cls, + cmd, + is); +} + + +/** + * Function run when the test terminates (good or bad). + * Cleans up our state. + * + * @param cls the interpreter state. + */ +static void +do_shutdown (void *cls) +{ + struct TALER_TESTING_Interpreter *is = cls; + struct TALER_TESTING_Command *cmd; + + GNUNET_log (GNUNET_ERROR_TYPE_INFO, + "Executing shutdown at `%s'\n", + is->commands[is->ip].label); + for (unsigned int j=0;NULL != (cmd = &is->commands[j])->label;j++) + cmd->cleanup (cmd->cls, + cmd); + if (NULL != is->task) + { + GNUNET_SCHEDULER_cancel (is->task); + is->task = NULL; + } + if (NULL != is->ctx) + { + GNUNET_CURL_fini (is->ctx); + is->ctx = NULL; + } + if (NULL != is->rc) + { + GNUNET_CURL_gnunet_rc_destroy (is->rc); + is->rc = NULL; + } + if (NULL != is->timeout_task) + { + GNUNET_SCHEDULER_cancel (is->timeout_task); + is->timeout_task = NULL; + } + GNUNET_free_non_null (is->commands); +} + + +/** + * Function run when the test terminates (good or bad) with timeout. + * + * @param cls NULL + */ +static void +do_timeout (void *cls) +{ + struct TALER_TESTING_Interpreter *is = cls; + + is->timeout_task = NULL; + GNUNET_SCHEDULER_shutdown (); +} + + +void +TALER_TESTING_run (struct TALER_TESTING_Interpreter *is, + struct TALER_TESTING_Command *commands) +{ + unsigned int i; + + for (i=0;NULL != commands[i].label;i++) ; + is->commands = GNUNET_new_array (i + 1, + struct TALER_TESTING_Command); + memcpy (is->commands, + commands, + sizeof (struct TALER_TESTING_Command) * i); + is->timeout_task + = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply + (GNUNET_TIME_UNIT_SECONDS, 300), + &do_timeout, + is); + GNUNET_SCHEDULER_add_shutdown (&do_shutdown, + is); + is->task = GNUNET_SCHEDULER_add_now (&interpreter_run, + is); +} + + +struct MainContext +{ + TALER_TESTING_Main main_cb; + + void *main_cb_cls; + + struct TALER_TESTING_Interpreter *is; + +}; + + +static void +main_wrapper (void *cls) +{ + struct MainContext *main_ctx = cls; + struct TALER_TESTING_Interpreter *is = main_ctx->is; + + is->ctx = GNUNET_CURL_init (&GNUNET_CURL_gnunet_scheduler_reschedule, + &is->rc); + GNUNET_assert (NULL != is->ctx); + is->rc = GNUNET_CURL_gnunet_rc_create (is->ctx); + main_ctx->main_cb (main_ctx->main_cb_cls, + main_ctx->is); +} + + +/** + * Initialize scheduler loop and curl context for the testcase. + */ +int +TALER_TESTING_setup (TALER_TESTING_Main main_cb, + void *main_cb_cls) +{ + struct TALER_TESTING_Interpreter is; + struct MainContext main_ctx = { + .main_cb = main_cb, + .main_cb_cls = main_cb_cls, + .is = &is + }; + + memset (&is, + 0, + sizeof (is)); + GNUNET_SCHEDULER_run (&main_wrapper, + &main_ctx); + return is.result; +} + + +/* end of testing_api_loop.c */ diff --git a/src/exchange-lib/testing_api_trait_coin_priv.c b/src/exchange-lib/testing_api_trait_coin_priv.c new file mode 100644 index 000000000..0c10ee2b9 --- /dev/null +++ b/src/exchange-lib/testing_api_trait_coin_priv.c @@ -0,0 +1,67 @@ +/* + 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 + +*/ +/** + * @file exchange-lib/testing_api_traits.c + * @brief main interpreter loop for testcases + * @author Christian Grothoff + * @author Marcello Stanisci + */ +#include "platform.h" +#include "taler_json_lib.h" +#include +#include "exchange_api_handle.h" +#include "taler_signatures.h" +#include "taler_testing_lib.h" + +#define TALER_TESTING_TRAIT_COIN_PRIVATE_KEY "coin-private-key" + + +/** + * Obtain a coin private key from a @a cmd. + * + * @param cmd command to extract trait from + * @param selector which coin to pick if @a cmd has multiple on offer + * @param coin_priv[out] set to the private key of the coin + * @return #GNUNET_OK on success + */ +int +TALER_TESTING_get_trait_coin_priv (const struct TALER_TESTING_Command *cmd, + const char *selector, + struct TALER_CoinSpendPrivateKeyP **coin_priv) +{ + return cmd->traits (cmd->cls, + (void **) coin_priv, + TALER_TESTING_TRAIT_COIN_PRIVATE_KEY, + selector); +} + + +struct TALER_TESTING_Trait +TALER_TESTING_make_trait_coin_priv (const char *selector, + const struct TALER_CoinSpendPrivateKeyP *coin_priv) +{ + struct TALER_TESTING_Trait ret = { + .selector = selector, + .trait_name = TALER_TESTING_TRAIT_COIN_PRIVATE_KEY, + .ptr = (const void *) coin_priv + }; + + return ret; +} + + +/* end of testing_api_trait_coin_priv.c */ diff --git a/src/exchange-lib/testing_api_trait_reserve_priv.c b/src/exchange-lib/testing_api_trait_reserve_priv.c new file mode 100644 index 000000000..a849f7653 --- /dev/null +++ b/src/exchange-lib/testing_api_trait_reserve_priv.c @@ -0,0 +1,65 @@ +/* + 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 + +*/ +/** + * @file exchange-lib/testing_api_trait_reserve_priv.c + * @brief implements reserve private key trait + * @author Christian Grothoff + * @author Marcello Stanisci + */ +#include "platform.h" +#include "taler_json_lib.h" +#include +#include "exchange_api_handle.h" +#include "taler_signatures.h" +#include "taler_testing_lib.h" + +#define TALER_TESTING_TRAIT_RESERVE_PRIVATE_KEY "reserve-private-key" + +/** + * Obtain a reserve private key from a @a cmd. + * + * @param cmd command to extract trait from + * @param selector which coin to pick if @a cmd has multiple on offer + * @param reserve_priv[out] set to the private key of the reserve + * @return #GNUNET_OK on success + */ +int +TALER_TESTING_get_trait_reserve_priv (const struct TALER_TESTING_Command *cmd, + const char *selector, + struct TALER_ReservePrivateKeyP **reserve_priv) +{ + return cmd->traits (cmd->cls, + (void **) reserve_priv, + TALER_TESTING_TRAIT_RESERVE_PRIVATE_KEY, + selector); +} + + +struct TALER_TESTING_Trait +TALER_TESTING_make_trait_reserve_priv (const char *selector, + const struct TALER_ReservePrivateKeyP *reserve_priv) +{ + struct TALER_TESTING_Trait ret = { + .selector = selector, + .trait_name = TALER_TESTING_TRAIT_RESERVE_PRIVATE_KEY, + .ptr = (const void *) reserve_priv + }; + return ret; +} + + +/* end of testing_api_trait_reserve_priv.c */ diff --git a/src/exchange-lib/testing_api_traits.c b/src/exchange-lib/testing_api_traits.c new file mode 100644 index 000000000..3983d3209 --- /dev/null +++ b/src/exchange-lib/testing_api_traits.c @@ -0,0 +1,70 @@ +/* + 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 + +*/ +/** + * @file exchange-lib/testing_api_traits.c + * @brief loop for trait resolution + * @author Christian Grothoff + * @author Marcello Stanisci + */ +#include "platform.h" +#include "taler_json_lib.h" +#include +#include "exchange_api_handle.h" +#include "taler_signatures.h" +#include "taler_testing_lib.h" + + +struct TALER_TESTING_Trait +TALER_TESTING_trait_end () +{ + struct TALER_TESTING_Trait end = { + .selector = NULL, + .trait_name = NULL, + .ptr = NULL + }; + + return end; +} + + +int +TALER_TESTING_get_trait (const struct TALER_TESTING_Trait *traits, + void **ret, + const char *trait, + const char *selector) +{ + for (unsigned int i=0; + NULL != traits[i].trait_name; + i++) + { + if ( (0 == strcmp (trait, + traits[i].trait_name)) && + ( (NULL == selector) || + (0 == strcasecmp (selector, + traits[i].selector) ) ) ) + { + *ret = (void *) traits[i].ptr; + return GNUNET_OK; + } + } + /* FIXME: log */ + return GNUNET_SYSERR; +} + + + +/* end of testing_api_traits.c */ diff --git a/src/include/Makefile.am b/src/include/Makefile.am index 7a8f6e071..6583ad524 100644 --- a/src/include/Makefile.am +++ b/src/include/Makefile.am @@ -23,6 +23,7 @@ talerinclude_HEADERS = \ taler_exchangedb_plugin.h \ taler_fakebank_lib.h \ taler_json_lib.h \ + taler_testing_lib.h \ taler_util.h \ taler_pq_lib.h \ taler_signatures.h \ diff --git a/src/include/taler_testing_lib.h b/src/include/taler_testing_lib.h new file mode 100644 index 000000000..b998bf3f2 --- /dev/null +++ b/src/include/taler_testing_lib.h @@ -0,0 +1,262 @@ +/* + This file is part of TALER + (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 +*/ + +/** + * @file include/taler_testing_lib.h + * @brief API for writing an interpreter to test Taler components + * @author Christian Grothoff + * @author Marcello Stanisci + */ +#ifndef TALER_TESTING_LIB_H +#define TALER_TESTING_LIB_H + +#include "taler_util.h" +#include +#include "taler_json_lib.h" +#include + +/* ******************* Generic interpreter logic ****************** */ + +/** + * Global state of the interpreter, used by a command + * to access information about other commands. + */ +struct TALER_TESTING_Interpreter; + + +/** + * A command to be run by the interpreter. + */ +struct TALER_TESTING_Command +{ + + /** + * Closure for all commands with command-specific context + * information. + */ + void *cls; + + /** + * Label for the command. + */ + const char *label; + + /** + * 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 i interpreter state + */ + void + (*run)(void *cls, + const struct TALER_TESTING_Command *cmd, + struct TALER_TESTING_Interpreter *i); + + + /** + * Clean up after the command. Run during forced termination + * (CTRL-C) or test failure or test success. + * + * @param cls closure + */ + void + (*cleanup)(void *cls, + const struct TALER_TESTING_Command *cmd); + + /** + * 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 + */ + int + (*traits)(void *cls, + void **ret, + const char *trait, + const char *selector); + +}; + + +/** + * Lookup command by label. + */ +const struct TALER_TESTING_Command * +TALER_TESTING_interpreter_lookup_command (struct TALER_TESTING_Interpreter *i, + const char *label); + + +/** + * Obtain main execution context for the main loop. + */ +struct GNUNET_CURL_Context * +TALER_TESTING_interpreter_get_context (struct TALER_TESTING_Interpreter *is); + + +/** + * Current command is done, run the next one. + */ +void +TALER_TESTING_interpreter_next (struct TALER_TESTING_Interpreter *is); + +/** + * Current command failed, clean up and fail the test case. + */ +void +TALER_TESTING_interpreter_fail (struct TALER_TESTING_Interpreter *is); + +/** + * Create command array terminator. + */ +struct TALER_TESTING_Command +TALER_TESTING_cmd_end (void); + + +void +TALER_TESTING_run (struct TALER_TESTING_Interpreter *is, + struct TALER_TESTING_Command *commands); + + +typedef void +(*TALER_TESTING_Main)(void *cls, + struct TALER_TESTING_Interpreter *is); + + +/** + * Initialize scheduler loop and curl context for the testcase. + */ +int +TALER_TESTING_setup (TALER_TESTING_Main main_cb, + void *main_cb_cls); + + + + +/* ****************** Specific interpreter commands **************** */ + +/** + * Perform a wire transfer (formerly Admin-add-incoming) + * + * @return NULL on failure + */ +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); + + +/** + * Create withdraw command. + * + * @return NULL on failure + */ +struct TALER_TESTING_Command +TALER_TESTING_cmd_withdraw_amount (const char *label, + struct TALER_EXCHANGE_Handle *exchange, + const char *reserve_reference, + const char *amount, + unsigned int expected_response_code); + + + + +/* ********************** Generic trait logic for implementing traits ******************* */ + +/** + * A trait. + */ +struct TALER_TESTING_Trait +{ + const char *selector; + + const char *trait_name; + + const void *ptr; +}; + + + +struct TALER_TESTING_Trait +TALER_TESTING_trait_end (void); + + +int +TALER_TESTING_get_trait (const struct TALER_TESTING_Trait *traits, + void **ret, + const char *trait, + const char *selector); + + +/* ****************** Specific traits supported by this component *************** */ + +struct TALER_TESTING_Trait +TALER_TESTING_make_trait_reserve_priv (const char *selector, + const struct TALER_ReservePrivateKeyP *reserve_priv); + + +/** + * Obtain a reserve private key from a @a cmd. + * + * @param cmd command to extract trait from + * @param selector which coin to pick if @a cmd has multiple on offer + * @param reserve_priv[out] set to the private key of the reserve + * @return #GNUNET_OK on success + */ +int +TALER_TESTING_get_trait_reserve_priv (const struct TALER_TESTING_Command *cmd, + const char *selector, + struct TALER_ReservePrivateKeyP **reserve_priv); + + +/** + * @param selector + */ +struct TALER_TESTING_Trait +TALER_TESTING_make_trait_coin_priv (const char *selector, + const struct TALER_CoinSpendPrivateKeyP *coin_priv); + + +/** + * Obtain a coin private key from a @a cmd. + * + * @param cmd command to extract trait from + * @param selector which coin to pick if @a cmd has multiple on offer + * @param coin_priv[out] set to the private key of the coin + * @return #GNUNET_OK on success + */ +int +TALER_TESTING_get_trait_coin_priv (const struct TALER_TESTING_Command *cmd, + const char *selector, + struct TALER_CoinSpendPrivateKeyP **coin_priv); + + + + + +#endif -- cgit v1.2.3