[taler-exchange] branch master updated: -more DB prep work towards reserve auditing with p2p payments

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grothoff pushed a commit to branch master
in repository exchange.

The following commit(s) were added to refs/heads/master by this push:
     new eccf37e4 -more DB prep work towards reserve auditing with p2p payments
eccf37e4 is described below

commit eccf37e450918e554425b7a9daef324cdaaa37a5
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Wed Jun 15 20:49:39 2022 +0200

    -more DB prep work towards reserve auditing with p2p payments
---
 src/auditor/taler-helper-auditor-reserves.c | 116 ++++++++++++++++++++++-
 src/exchangedb/plugin_exchangedb_postgres.c | 137 ++++++++++++++++++++++++++++
 src/include/taler_exchangedb_plugin.h       | 121 ++++++++++++++++++++++++
 3 files changed, 370 insertions(+), 4 deletions(-)

diff --git a/src/auditor/taler-helper-auditor-reserves.c 
b/src/auditor/taler-helper-auditor-reserves.c
index 5bfb4853..5ccd06a3 100644
--- a/src/auditor/taler-helper-auditor-reserves.c
+++ b/src/auditor/taler-helper-auditor-reserves.c
@@ -1308,6 +1308,111 @@ verify_reserve_balance (void *cls,
 }
 
 
+/**
+ * Function called with details about purse deposits that have been made, with
+ * the goal of auditing the deposit's execution.
+ *
+ * @param cls closure
+ * @param rowid unique serial ID for the deposit in our DB
+ * @param deposit deposit details
+ * @param denom_pub denomination public key of @a coin_pub
+ * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop
+ */
+static enum GNUNET_GenericReturnValue
+handle_purse_deposits (
+  void *cls,
+  uint64_t rowid,
+  const struct TALER_EXCHANGEDB_PurseDeposit *deposit,
+  const struct TALER_DenominationPublicKey *denom_pub)
+{
+  GNUNET_break (0); // FIXME
+  /* Credit purse value (if last op)! */
+  return GNUNET_SYSERR;
+}
+
+
+/**
+ * Function called with details about purse
+ * merges that have been made, with
+ * the goal of auditing the purse merge execution.
+ *
+ * @param cls closure
+ * @param rowid unique serial ID for the deposit in our DB
+ * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop
+ */
+static enum GNUNET_GenericReturnValue
+handle_purse_merged (
+  void *cls,
+  uint64_t rowid,
+  const char *partner_base_url,
+  const struct TALER_Amount *amount,
+  enum TALER_WalletAccountMergeFlags flags,
+  const struct TALER_PurseMergePublicKeyP *merge_pub,
+  const struct TALER_ReservePublicKeyP *reserve_pub,
+  const struct TALER_PurseMergeSignatureP *merge_sig,
+  const struct TALER_PurseContractPublicKeyP *purse_pub,
+  struct GNUNET_TIME_Timestamp merge_timestamp)
+{
+  GNUNET_break (0); // FIXME
+  /* Credit purse value (if last op)! */
+  return GNUNET_SYSERR;
+}
+
+
+/**
+ * Function called with details about
+ * account merge requests that have been made, with
+ * the goal of auditing the account merge execution.
+ *
+ * @param cls closure
+ * @param rowid unique serial ID for the deposit in our DB
+ * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop
+ */
+static enum GNUNET_GenericReturnValue
+handle_account_merged (
+  void *cls,
+  uint64_t rowid,
+  const struct TALER_ReservePublicKeyP *reserve_pub,
+  const struct TALER_PurseContractPublicKeyP *purse_pub,
+  const struct TALER_PrivateContractHashP *h_contract_terms,
+  struct GNUNET_TIME_Timestamp purse_expiration,
+  const struct TALER_Amount *amount,
+  uint32_t min_age,
+  enum TALER_WalletAccountMergeFlags flags,
+  const struct TALER_Amount *purse_fee,
+  struct GNUNET_TIME_Timestamp merge_timestamp,
+  struct TALER_ReserveSignatureP *reserve_sig)
+{
+  GNUNET_break (0); // FIXME
+  /* Debit purse fee */
+  return GNUNET_SYSERR;
+}
+
+
+/**
+ * Function called with details about
+ * history requests that have been made, with
+ * the goal of auditing the history request execution.
+ *
+ * @param cls closure
+ * @param rowid unique serial ID for the deposit in our DB
+ * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop
+ */
+static enum GNUNET_GenericReturnValue
+handle_history_request (
+  void *cls,
+  uint64_t rowid,
+  const struct TALER_Amount *history_fee,
+  const struct GNUNET_TIME_Timestamp ts,
+  const struct TALER_ReservePublicKeyP *reserve_pub,
+  const struct TALER_ReserveSignatureP *reserve_sig)
+{
+  GNUNET_break (0); // FIXME
+  /* Debit purse fee */
+  return GNUNET_SYSERR;
+}
+
+
 /**
  * Analyze reserves for being well-formed.
  *
@@ -1410,10 +1515,10 @@ analyze_reserves (void *cls)
     GNUNET_break (GNUNET_DB_STATUS_SOFT_ERROR == qs);
     return qs;
   }
-#if FIXME
+  /* Credit purse value (if last op)! */
   qs = TALER_ARL_edb->select_purse_merges_above_serial_id (
     TALER_ARL_edb->cls,
-    ppr.last_purse_merge_serial_id,
+    ppr.last_purse_merges_serial_id,
     &handle_purse_merged,
     &rc);
   if (qs < 0)
@@ -1421,7 +1526,6 @@ analyze_reserves (void *cls)
     GNUNET_break (GNUNET_DB_STATUS_SOFT_ERROR == qs);
     return qs;
   }
-
   qs = TALER_ARL_edb->select_purse_deposits_above_serial_id (
     TALER_ARL_edb->cls,
     ppr.last_purse_deposits_serial_id,
@@ -1432,9 +1536,10 @@ analyze_reserves (void *cls)
     GNUNET_break (GNUNET_DB_STATUS_SOFT_ERROR == qs);
     return qs;
   }
+  /* Charge purse fee! */
   qs = TALER_ARL_edb->select_account_merges_above_serial_id (
     TALER_ARL_edb->cls,
-    ppr.last_account_merge_serial_id,
+    ppr.last_account_merges_serial_id,
     &handle_account_merged,
     &rc);
   if (qs < 0)
@@ -1442,6 +1547,7 @@ analyze_reserves (void *cls)
     GNUNET_break (GNUNET_DB_STATUS_SOFT_ERROR == qs);
     return qs;
   }
+  /* Charge history fee! */
   qs = TALER_ARL_edb->select_history_requests_above_serial_id (
     TALER_ARL_edb->cls,
     ppr.last_history_requests_serial_id,
@@ -1452,6 +1558,8 @@ analyze_reserves (void *cls)
     GNUNET_break (GNUNET_DB_STATUS_SOFT_ERROR == qs);
     return qs;
   }
+#if FIXME
+  /* TODO: do we even care about these? */
   qs = TALER_ARL_edb->select_close_requests_above_serial_id (
     TALER_ARL_edb->cls,
     ppr.last_close_requests_serial_id,
diff --git a/src/exchangedb/plugin_exchangedb_postgres.c 
b/src/exchangedb/plugin_exchangedb_postgres.c
index 20b3ba36..eab50e10 100644
--- a/src/exchangedb/plugin_exchangedb_postgres.c
+++ b/src/exchangedb/plugin_exchangedb_postgres.c
@@ -1521,6 +1521,71 @@ prepare_statements (struct PostgresClosure *pg)
       " )"
       " ORDER BY purse_deposit_serial_id ASC;",
       1),
+
+    GNUNET_PQ_make_prepare (
+      "audit_get_account_merges_incr",
+      "SELECT"
+      " am.account_merge_request_serial_id"
+      ",am.reserve_pub"
+      ",am.purse_pub"
+      ",pr.h_contract_terms"
+      ",pr.purse_expiration"
+      ",pr.amount_with_fee_val"
+      ",pr.amount_with_fee_frac"
+      ",pr.age_limit"
+      ",pr.flags"
+      ",pr.purse_fee_val"
+      ",pr.purse_fee_frac"
+      ",pm.merge_timestamp"
+      ",am.reserve_sig"
+      " FROM account_merges am"
+      " JOIN purse_requests pr USING (purse_pub)"
+      " JOIN purse_merges pm USING (purse_pub)"
+      " WHERE ("
+      "  (account_merge_request_serial_id>=$1)"
+      " )"
+      " ORDER BY account_merge_request_serial_id ASC;",
+      1),
+
+    GNUNET_PQ_make_prepare (
+      "audit_get_purse_merges_incr",
+      "SELECT"
+      " pm.purse_merge_request_serial_id"
+      ",partner_base_url"
+      ",pr.amount_with_fee_val"
+      ",pr.amount_with_fee_frac"
+      ",pr.flags"
+      ",pr.merge_pub"
+      ",pm.reserve_pub"
+      ",pm.merge_sig"
+      ",pm.purse_pub"
+      ",pm.merge_timestamp"
+      " FROM purse_merges pm"
+      " JOIN purse_requests pr USING (purse_pub)"
+      " LEFT JOIN partners USING (partner_serial_id)"
+      " WHERE ("
+      "  (purse_merge_request_serial_id>=$1)"
+      " )"
+      " ORDER BY purse_merge_request_serial_id ASC;",
+      1),
+
+    GNUNET_PQ_make_prepare (
+      "audit_get_history_requests_incr",
+      "SELECT"
+      " history_request_serial_id"
+      ",history_fee_val"
+      ",history_fee_frac"
+      ",request_timestamp"
+      ",reserve_pub"
+      ",reserve_sig"
+      " FROM history_requests"
+      " WHERE ("
+      "  (history_request_serial_id>=$1)"
+      " )"
+      " ORDER BY history_request_serial_id ASC;",
+      1),
+
+
     GNUNET_PQ_make_prepare (
       "audit_get_purse_deposits_by_purse",
       "SELECT"
@@ -10558,6 +10623,72 @@ postgres_select_purse_deposits_above_serial_id (
 }
 
 
+/**
+ * Select account merges above @a serial_id in monotonically increasing
+ * order.
+ *
+ * @param cls closure
+ * @param serial_id highest serial ID to exclude (select strictly larger)
+ * @param cb function to call on each result
+ * @param cb_cls closure for @a cb
+ * @return transaction status code
+ */
+static enum GNUNET_DB_QueryStatus
+postgres_select_account_merges_above_serial_id (
+  void *cls,
+  uint64_t serial_id,
+  TALER_EXCHANGEDB_AccountMergeCallback cb,
+  void *cb_cls)
+{
+  GNUNET_break (0); // FIXME: not implemented
+  return GNUNET_DB_STATUS_HARD_ERROR;
+}
+
+
+/**
+ * Select purse merges deposits above @a serial_id in monotonically increasing
+ * order.
+ *
+ * @param cls closure
+ * @param serial_id highest serial ID to exclude (select strictly larger)
+ * @param cb function to call on each result
+ * @param cb_cls closure for @a cb
+ * @return transaction status code
+ */
+static enum GNUNET_DB_QueryStatus
+postgres_select_purse_merges_above_serial_id (
+  void *cls,
+  uint64_t serial_id,
+  TALER_EXCHANGEDB_PurseMergeCallback cb,
+  void *cb_cls)
+{
+  GNUNET_break (0); // FIXME: not implemented
+  return GNUNET_DB_STATUS_HARD_ERROR;
+}
+
+
+/**
+ * Select history requests above @a serial_id in monotonically increasing
+ * order.
+ *
+ * @param cls closure
+ * @param serial_id highest serial ID to exclude (select strictly larger)
+ * @param cb function to call on each result
+ * @param cb_cls closure for @a cb
+ * @return transaction status code
+ */
+static enum GNUNET_DB_QueryStatus
+postgres_select_history_requests_above_serial_id (
+  void *cls,
+  uint64_t serial_id,
+  TALER_EXCHANGEDB_HistoryRequestCallback cb,
+  void *cb_cls)
+{
+  GNUNET_break (0); // FIXME: not implemented
+  return GNUNET_DB_STATUS_HARD_ERROR;
+}
+
+
 /**
  * Closure for #purse_refund_serial_helper_cb().
  */
@@ -15553,6 +15684,12 @@ libtaler_plugin_exchangedb_postgres_init (void *cls)
     = &postgres_select_deposits_above_serial_id;
   plugin->select_purse_deposits_above_serial_id
     = &postgres_select_purse_deposits_above_serial_id;
+  plugin->select_account_merges_above_serial_id
+    = &postgres_select_account_merges_above_serial_id;
+  plugin->select_purse_merges_above_serial_id
+    = &postgres_select_purse_merges_above_serial_id;
+  plugin->select_history_requests_above_serial_id
+    = &postgres_select_history_requests_above_serial_id;
   plugin->select_purse_refunds_above_serial_id
     = &postgres_select_purse_refunds_above_serial_id;
   plugin->select_purse_deposits_by_purse
diff --git a/src/include/taler_exchangedb_plugin.h 
b/src/include/taler_exchangedb_plugin.h
index eaac5cd3..afd850ad 100644
--- a/src/include/taler_exchangedb_plugin.h
+++ b/src/include/taler_exchangedb_plugin.h
@@ -2001,6 +2001,73 @@ typedef enum GNUNET_GenericReturnValue
   const struct TALER_DenominationPublicKey *denom_pub);
 
 
+/**
+ * Function called with details about
+ * account merge requests that have been made, with
+ * the goal of auditing the account merge execution.
+ *
+ * @param cls closure
+ * @param rowid unique serial ID for the deposit in our DB
+ * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop
+ */
+typedef enum GNUNET_GenericReturnValue
+(*TALER_EXCHANGEDB_AccountMergeCallback)(
+  void *cls,
+  uint64_t rowid,
+  const struct TALER_ReservePublicKeyP *reserve_pub,
+  const struct TALER_PurseContractPublicKeyP *purse_pub,
+  const struct TALER_PrivateContractHashP *h_contract_terms,
+  struct GNUNET_TIME_Timestamp purse_expiration,
+  const struct TALER_Amount *amount,
+  uint32_t min_age,
+  enum TALER_WalletAccountMergeFlags flags,
+  const struct TALER_Amount *purse_fee,
+  struct GNUNET_TIME_Timestamp merge_timestamp,
+  struct TALER_ReserveSignatureP *reserve_sig);
+
+
+/**
+ * Function called with details about purse
+ * merges that have been made, with
+ * the goal of auditing the purse merge execution.
+ *
+ * @param cls closure
+ * @param rowid unique serial ID for the deposit in our DB
+ * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop
+ */
+typedef enum GNUNET_GenericReturnValue
+(*TALER_EXCHANGEDB_PurseMergeCallback)(
+  void *cls,
+  uint64_t rowid,
+  const char *partner_base_url,
+  const struct TALER_Amount *amount,
+  enum TALER_WalletAccountMergeFlags flags,
+  const struct TALER_PurseMergePublicKeyP *merge_pub,
+  const struct TALER_ReservePublicKeyP *reserve_pub,
+  const struct TALER_PurseMergeSignatureP *merge_sig,
+  const struct TALER_PurseContractPublicKeyP *purse_pub,
+  struct GNUNET_TIME_Timestamp merge_timestamp);
+
+
+/**
+ * Function called with details about
+ * history requests that have been made, with
+ * the goal of auditing the history request execution.
+ *
+ * @param cls closure
+ * @param rowid unique serial ID for the deposit in our DB
+ * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop
+ */
+typedef enum GNUNET_GenericReturnValue
+(*TALER_EXCHANGEDB_HistoryRequestCallback)(
+  void *cls,
+  uint64_t rowid,
+  const struct TALER_Amount *history_fee,
+  const struct GNUNET_TIME_Timestamp ts,
+  const struct TALER_ReservePublicKeyP *reserve_pub,
+  const struct TALER_ReserveSignatureP *reserve_sig);
+
+
 /**
  * Function called with details about purse refunds that have been made, with
  * the goal of auditing the purse refund's execution.
@@ -4101,6 +4168,60 @@ struct TALER_EXCHANGEDB_Plugin
     void *cb_cls);
 
 
+  /**
+   * Select account merges above @a serial_id in monotonically increasing
+   * order.
+   *
+   * @param cls closure
+   * @param serial_id highest serial ID to exclude (select strictly larger)
+   * @param cb function to call on each result
+   * @param cb_cls closure for @a cb
+   * @return transaction status code
+   */
+  enum GNUNET_DB_QueryStatus
+  (*select_account_merges_above_serial_id)(
+    void *cls,
+    uint64_t serial_id,
+    TALER_EXCHANGEDB_AccountMergeCallback cb,
+    void *cb_cls);
+
+
+  /**
+   * Select purse merges deposits above @a serial_id in monotonically 
increasing
+   * order.
+   *
+   * @param cls closure
+   * @param serial_id highest serial ID to exclude (select strictly larger)
+   * @param cb function to call on each result
+   * @param cb_cls closure for @a cb
+   * @return transaction status code
+   */
+  enum GNUNET_DB_QueryStatus
+  (*select_purse_merges_above_serial_id)(
+    void *cls,
+    uint64_t serial_id,
+    TALER_EXCHANGEDB_PurseMergeCallback cb,
+    void *cb_cls);
+
+
+  /**
+   * Select history requests above @a serial_id in monotonically increasing
+   * order.
+   *
+   * @param cls closure
+   * @param serial_id highest serial ID to exclude (select strictly larger)
+   * @param cb function to call on each result
+   * @param cb_cls closure for @a cb
+   * @return transaction status code
+   */
+  enum GNUNET_DB_QueryStatus
+  (*select_history_requests_above_serial_id)(
+    void *cls,
+    uint64_t serial_id,
+    TALER_EXCHANGEDB_HistoryRequestCallback cb,
+    void *cb_cls);
+
+
   /**
    * Select purse refunds above @a serial_id in monotonically increasing
    * order.

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