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[GNUnet-SVN] [taler-exchange] branch master updated: simplify analysis b
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From: |
gnunet |
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Subject: |
[GNUnet-SVN] [taler-exchange] branch master updated: simplify analysis by returning denom_pub with rest of coin transaction data instead of bothering fetching with coin history |
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Date: |
Sun, 19 Mar 2017 01:55:40 +0100 |
This is an automated email from the git hooks/post-receive script.
grothoff pushed a commit to branch master
in repository exchange.
The following commit(s) were added to refs/heads/master by this push:
new 9b4d063 simplify analysis by returning denom_pub with rest of coin
transaction data instead of bothering fetching with coin history
9b4d063 is described below
commit 9b4d0634e15fd026a887b4e425abc2a75ddeff04
Author: Christian Grothoff <address@hidden>
AuthorDate: Sun Mar 19 01:55:37 2017 +0100
simplify analysis by returning denom_pub with rest of coin transaction data
instead of bothering fetching with coin history
---
src/auditor/taler-auditor.c | 209 +++-------------------------
src/exchangedb/plugin_exchangedb_postgres.c | 22 ++-
src/exchangedb/test_exchangedb.c | 6 +
src/include/taler_exchangedb_plugin.h | 6 +
4 files changed, 53 insertions(+), 190 deletions(-)
diff --git a/src/auditor/taler-auditor.c b/src/auditor/taler-auditor.c
index 845858a..1dd9a87 100644
--- a/src/auditor/taler-auditor.c
+++ b/src/auditor/taler-auditor.c
@@ -26,10 +26,6 @@
*
* TODO:
* - FIXME: do proper transaction history check in #check_transaction_history()
- * - OPTIMIZE/SIMPLIFY: modify auditordb to return DK when we inquire about
deposit/refresh/refund,
- * so we can avoid the costly #get_coin_summary with the transaction history
building
- * (at least during #analyze_coins); the logic may be partially useful in
- * #analyze_merchants (but we won't need the cache!)
*/
#include "platform.h"
#include <gnunet/gnunet_util_lib.h>
@@ -972,33 +968,6 @@ analyze_reserves (void *cls)
coin, checking deposits, refunds, refresh* and known_coins
tables */
-/**
- * Summary data we keep per coin.
- */
-struct CoinSummary
-{
- /**
- * Denomination of the coin with fee structure.
- */
- const struct TALER_EXCHANGEDB_DenominationKeyInformationP *dki;
-
- /**
- * Hash of @e coin_pub.
- */
- struct GNUNET_HashCode coin_hash;
-
- /**
- * Public key of the coin.
- */
- struct TALER_CoinSpendPublicKeyP coin_pub;
-
- /**
- * List of transactions this coin was involved in.
- */
- struct TALER_EXCHANGEDB_TransactionList *tl;
-
-};
-
/**
* Summary data we keep per denomination.
@@ -1037,18 +1006,6 @@ struct CoinContext
{
/**
- * Map for tracking information about coins.
- */
- struct GNUNET_CONTAINER_MultiHashMap *coins;
-
- /**
- * Array of the coins in @e coins. Used to expire coins
- * in a circular ring-buffer like fashion (to keep the
- * working set in @e coins bounded).
- */
- struct CoinSummary summaries[MAX_COIN_SUMMARIES];
-
- /**
* Map for tracking information about denominations.
*/
struct GNUNET_CONTAINER_MultiHashMap *denominations;
@@ -1142,8 +1099,8 @@ init_denomination (const struct GNUNET_HashCode
*denom_hash,
*/
static struct DenominationSummary *
get_balance_summary (struct CoinContext *cc,
- const struct
TALER_EXCHANGEDB_DenominationKeyInformationP *dki,
- const struct GNUNET_HashCode *dh)
+ const struct TALER_EXCHANGEDB_DenominationKeyInformationP
*dki,
+ const struct GNUNET_HashCode *dh)
{
struct DenominationSummary *ds;
@@ -1277,126 +1234,6 @@ sync_denomination (void *cls,
/**
- * Release memory occupied by a coin summary. Note that
- * the actual @a value is NOT allocated (comes from the
- * ring buffer), only the members of the struct need to be
- * freed.
- *
- * @param cls the `struct CoinContext`
- * @param key the hash of the coin's public key
- * @param value a `struct DenominationSummary`
- * @return #GNUNET_OK (continue to iterate)
- */
-static int
-free_coin (void *cls,
- const struct GNUNET_HashCode *denom_hash,
- void *value)
-{
- struct CoinContext *cc = cls;
- struct CoinSummary *cs = value;
-
- GNUNET_assert (GNUNET_YES ==
- GNUNET_CONTAINER_multihashmap_remove (cc->coins,
- &cs->coin_hash,
- cs));
- edb->free_coin_transaction_list (edb->cls,
- cs->tl);
- cs->tl = NULL;
- return GNUNET_OK;
-}
-
-
-/**
- * Obtain information about the coin from the cache or the database.
- *
- * If we obtain this information for the first time, also check that
- * the coin's transaction history is internally consistent.
- *
- * @param cc caching information
- * @param coin_pub public key of the coin to get information about
- * @return NULL on error
- */
-// OPTIMIZE/SIMPLIFY: replace by something that just gets the denomination
hash!
-// (makes this part WAY more efficient!)
-static struct CoinSummary *
-get_coin_summary (struct CoinContext *cc,
- const struct TALER_CoinSpendPublicKeyP *coin_pub)
-{
- struct CoinSummary *cs;
- struct GNUNET_HashCode chash;
- struct TALER_EXCHANGEDB_TransactionList *tl;
- const struct TALER_CoinPublicInfo *coin;
- const struct TALER_EXCHANGEDB_DenominationKeyInformationP *dki;
-
- /* Check cache */
- GNUNET_CRYPTO_hash (coin_pub,
- sizeof (*coin_pub),
- &chash);
- cs = GNUNET_CONTAINER_multihashmap_get (cc->coins,
- &chash);
- if (NULL != cs)
- return cs; /* cache hit */
-
- /* Get transaction history of @a coin_pub from DB */
- tl = edb->get_coin_transactions (edb->cls,
- esession,
- coin_pub);
- if (NULL == tl)
- {
- GNUNET_break (0);
- return NULL;
- }
-
- /* Obtain general denomination information about the coin */
- coin = NULL;
- switch (tl->type)
- {
- case TALER_EXCHANGEDB_TT_DEPOSIT:
- coin = &tl->details.deposit->coin;
- break;
- case TALER_EXCHANGEDB_TT_REFRESH_MELT:
- coin = &tl->details.melt->coin;
- break;
- case TALER_EXCHANGEDB_TT_REFUND:
- coin = &tl->details.refund->coin;
- break;
- }
- GNUNET_assert (NULL != coin); /* hard check that switch worked */
- if (GNUNET_OK !=
- get_denomination_info (&coin->denom_pub,
- &dki,
- NULL))
- {
- GNUNET_break (0);
- edb->free_coin_transaction_list (edb->cls,
- tl);
- return NULL;
- }
-
- /* allocate coin slot in ring buffer */
- if (MAX_COIN_SUMMARIES >= cc->summaries_off)
- cc->summaries_off = 0;
- cs = &cc->summaries[cc->summaries_off++];
- GNUNET_assert (GNUNET_OK ==
- free_coin (cc,
- &cs->coin_hash,
- cs));
-
- /* initialize 'cs' and add to cache */
- cs->coin_pub = *coin_pub;
- cs->coin_hash = chash;
- cs->tl = tl;
- cs->dki = dki;
- GNUNET_assert (GNUNET_YES ==
- GNUNET_CONTAINER_multihashmap_put (cc->coins,
- &cs->coin_hash,
- cs,
-
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
- return cs;
-}
-
-
-/**
* Function called with details about all withdraw operations.
* Updates the denomination balance and the overall balance as
* we now have additional coins that have been issued.
@@ -1470,11 +1307,11 @@ withdraw_cb (void *cls,
* goal of auditing the refresh's execution. Verifies the signature
* and updates our information about coins outstanding (the old coin's
* denomination has less, the fresh coins increased outstanding
- * balances). As a side-effect, #get_coin_summary will report
- * inconsistencies in the melted coin's balance.
+ * balances).
*
* @param cls closure
* @param rowid unique serial ID for the refresh session in our DB
+ * @param denom_pub denomination public key of @a coin_pub
* @param coin_pub public key of the coin
* @param coin_sig signature from the coin
* @param amount_with_fee amount that was deposited including fee
@@ -1486,6 +1323,7 @@ withdraw_cb (void *cls,
static int
refresh_session_cb (void *cls,
uint64_t rowid,
+ const struct TALER_DenominationPublicKey *denom_pub,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
const struct TALER_CoinSpendSignatureP *coin_sig,
const struct TALER_Amount *amount_with_fee,
@@ -1495,19 +1333,18 @@ refresh_session_cb (void *cls,
{
struct CoinContext *cc = cls;
struct TALER_RefreshMeltCoinAffirmationPS rmc;
- struct CoinSummary *cs;
const struct TALER_EXCHANGEDB_DenominationKeyInformationP *dki;
struct DenominationSummary *dso;
struct TALER_Amount amount_without_fee;
- cs = get_coin_summary (cc,
- coin_pub);
- if (NULL == cs)
+ if (GNUNET_OK !=
+ get_denomination_info (denom_pub,
+ &dki,
+ NULL))
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
- dki = cs->dki;
/* verify melt signature */
rmc.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_COIN_MELT);
@@ -1688,6 +1525,7 @@ refresh_session_cb (void *cls,
* @param rowid unique serial ID for the deposit in our DB
* @param timestamp when did the deposit happen
* @param merchant_pub public key of the merchant
+ * @param denom_pub denomination public key of @a coin_pub
* @param coin_pub public key of the coin
* @param coin_sig signature from the coin
* @param amount_with_fee amount that was deposited including fee
@@ -1705,6 +1543,7 @@ deposit_cb (void *cls,
uint64_t rowid,
struct GNUNET_TIME_Absolute timestamp,
const struct TALER_MerchantPublicKeyP *merchant_pub,
+ const struct TALER_DenominationPublicKey *denom_pub,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
const struct TALER_CoinSpendSignatureP *coin_sig,
const struct TALER_Amount *amount_with_fee,
@@ -1715,19 +1554,18 @@ deposit_cb (void *cls,
int done)
{
struct CoinContext *cc = cls;
- struct CoinSummary *cs;
const struct TALER_EXCHANGEDB_DenominationKeyInformationP *dki;
struct DenominationSummary *ds;
struct TALER_DepositRequestPS dr;
- cs = get_coin_summary (cc,
- coin_pub);
- if (NULL == cs)
+ if (GNUNET_OK !=
+ get_denomination_info (denom_pub,
+ &dki,
+ NULL))
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
- dki = cs->dki;
/* Verify deposit signature */
dr.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_COIN_DEPOSIT);
@@ -1803,6 +1641,7 @@ deposit_cb (void *cls,
*
* @param cls closure
* @param rowid unique serial ID for the refund in our DB
+ * @param denom_pub denomination public key of @a coin_pub
* @param coin_pub public key of the coin
* @param merchant_pub public key of the merchant
* @param merchant_sig signature of the merchant
@@ -1814,6 +1653,7 @@ deposit_cb (void *cls,
static int
refund_cb (void *cls,
uint64_t rowid,
+ const struct TALER_DenominationPublicKey *denom_pub,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
const struct TALER_MerchantPublicKeyP *merchant_pub,
const struct TALER_MerchantSignatureP *merchant_sig,
@@ -1822,21 +1662,20 @@ refund_cb (void *cls,
const struct TALER_Amount *amount_with_fee)
{
struct CoinContext *cc = cls;
- struct CoinSummary *cs;
const struct TALER_EXCHANGEDB_DenominationKeyInformationP *dki;
struct DenominationSummary *ds;
struct TALER_RefundRequestPS rr;
struct TALER_Amount amount_without_fee;
struct TALER_Amount refund_fee;
- cs = get_coin_summary (cc,
- coin_pub);
- if (NULL == cs)
+ if (GNUNET_OK !=
+ get_denomination_info (denom_pub,
+ &dki,
+ NULL))
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
- dki = cs->dki;
/* verify refund signature */
rr.purpose.purpose = htonl (TALER_SIGNATURE_MERCHANT_REFUND);
@@ -1946,8 +1785,6 @@ analyze_coins (void *cls)
&cc.risk));
}
- cc.coins = GNUNET_CONTAINER_multihashmap_create (1024,
- GNUNET_NO);
cc.denominations = GNUNET_CONTAINER_multihashmap_create (256,
GNUNET_NO);
@@ -2004,10 +1841,6 @@ analyze_coins (void *cls)
&sync_denomination,
&cc);
GNUNET_CONTAINER_multihashmap_destroy (cc.denominations);
- GNUNET_CONTAINER_multihashmap_iterate (cc.coins,
- &free_coin,
- &cc);
- GNUNET_CONTAINER_multihashmap_destroy (cc.coins);
if (GNUNET_YES == dret)
dret = adb->update_balance_summary (adb->cls,
diff --git a/src/exchangedb/plugin_exchangedb_postgres.c
b/src/exchangedb/plugin_exchangedb_postgres.c
index f57ac5a..536a558 100644
--- a/src/exchangedb/plugin_exchangedb_postgres.c
+++ b/src/exchangedb/plugin_exchangedb_postgres.c
@@ -799,7 +799,7 @@ postgres_prepare (PGconn *db_conn)
",denom.fee_refresh_curr "
",num_newcoins"
",noreveal_index"
- " FROM refresh_sessions "
+ " FROM refresh_sessions"
" JOIN known_coins ON (refresh_sessions.old_coin_pub =
known_coins.coin_pub)"
" JOIN denominations denom USING (denom_pub)"
" WHERE session_hash=$1 ",
@@ -809,7 +809,8 @@ postgres_prepare (PGconn *db_conn)
refresh session with id '\geq' the given parameter */
PREPARE ("audit_get_refresh_sessions_incr",
"SELECT"
- " old_coin_pub"
+ " known_coins.denom_pub"
+ ",old_coin_pub"
",old_coin_sig"
",amount_with_fee_val"
",amount_with_fee_frac"
@@ -819,6 +820,7 @@ postgres_prepare (PGconn *db_conn)
",melt_serial_id"
",session_hash"
" FROM refresh_sessions"
+ " JOIN known_coins ON (refresh_sessions.old_coin_pub =
known_coins.coin_pub)"
" WHERE melt_serial_id>=$1"
" ORDER BY melt_serial_id ASC",
1, NULL);
@@ -905,12 +907,14 @@ postgres_prepare (PGconn *db_conn)
",merchant_sig"
",h_proposal_data"
",rtransaction_id"
+ ",known_coins.denom_pub"
",coin_pub"
",amount_with_fee_val"
",amount_with_fee_frac"
",amount_with_fee_curr"
",refund_serial_id"
" FROM refunds"
+ " JOIN known_coins ON (coin_pub)"
" WHERE refund_serial_id>=$1"
" ORDER BY refund_serial_id ASC",
1, NULL);
@@ -1040,6 +1044,7 @@ postgres_prepare (PGconn *db_conn)
",amount_with_fee_curr"
",timestamp"
",merchant_pub"
+ ",known_coins.denom_pub"
",coin_pub"
",coin_sig"
",refund_deadline"
@@ -1049,6 +1054,7 @@ postgres_prepare (PGconn *db_conn)
",done"
",deposit_serial_id"
" FROM deposits"
+ " JOIN known_coins ON (coin_pub)"
" WHERE ("
" (deposit_serial_id>=$1)"
" )"
@@ -4853,6 +4859,7 @@ postgres_select_deposits_above_serial_id (void *cls,
for (i=0;i<nrows;i++)
{
struct TALER_EXCHANGEDB_Deposit deposit;
+ struct TALER_DenominationPublicKey denom_pub;
uint8_t done = 0;
uint64_t rowid;
struct GNUNET_PQ_ResultSpec rs[] = {
@@ -4862,6 +4869,8 @@ postgres_select_deposits_above_serial_id (void *cls,
&deposit.timestamp),
GNUNET_PQ_result_spec_auto_from_type ("merchant_pub",
&deposit.merchant_pub),
+ GNUNET_PQ_result_spec_rsa_public_key ("denom_pub",
+ &denom_pub.rsa_public_key),
GNUNET_PQ_result_spec_auto_from_type ("coin_pub",
&deposit.coin.coin_pub),
GNUNET_PQ_result_spec_auto_from_type ("coin_sig",
@@ -4893,6 +4902,7 @@ postgres_select_deposits_above_serial_id (void *cls,
rowid,
deposit.timestamp,
&deposit.merchant_pub,
+ &denom_pub,
&deposit.coin.coin_pub,
&deposit.csig,
&deposit.amount_with_fee,
@@ -4957,6 +4967,7 @@ postgres_select_refreshs_above_serial_id (void *cls,
for (i=0;i<nrows;i++)
{
+ struct TALER_DenominationPublicKey denom_pub;
struct TALER_CoinSpendPublicKeyP coin_pub;
struct TALER_CoinSpendSignatureP coin_sig;
struct TALER_Amount amount_with_fee;
@@ -4966,6 +4977,8 @@ postgres_select_refreshs_above_serial_id (void *cls,
struct GNUNET_HashCode session_hash;
struct GNUNET_PQ_ResultSpec rs[] = {
+ GNUNET_PQ_result_spec_rsa_public_key ("denom_pub",
+ &denom_pub.rsa_public_key),
GNUNET_PQ_result_spec_auto_from_type ("old_coin_pub",
&coin_pub),
GNUNET_PQ_result_spec_auto_from_type ("old_coin_sig",
@@ -4993,6 +5006,7 @@ postgres_select_refreshs_above_serial_id (void *cls,
}
cb (cb_cls,
rowid,
+ &denom_pub,
&coin_pub,
&coin_sig,
&amount_with_fee,
@@ -5054,6 +5068,7 @@ postgres_select_refunds_above_serial_id (void *cls,
for (i=0;i<nrows;i++)
{
struct TALER_EXCHANGEDB_Refund refund;
+ struct TALER_DenominationPublicKey denom_pub;
uint64_t rowid;
struct GNUNET_PQ_ResultSpec rs[] = {
@@ -5065,6 +5080,8 @@ postgres_select_refunds_above_serial_id (void *cls,
&refund.h_proposal_data),
GNUNET_PQ_result_spec_uint64 ("rtransaction_id",
&refund.rtransaction_id),
+ GNUNET_PQ_result_spec_rsa_public_key ("denom_pub",
+ &denom_pub.rsa_public_key),
GNUNET_PQ_result_spec_auto_from_type ("coin_pub",
&refund.coin.coin_pub),
TALER_PQ_result_spec_amount ("amount_with_fee",
@@ -5084,6 +5101,7 @@ postgres_select_refunds_above_serial_id (void *cls,
}
cb (cb_cls,
rowid,
+ &denom_pub,
&refund.coin.coin_pub,
&refund.merchant_pub,
&refund.merchant_sig,
diff --git a/src/exchangedb/test_exchangedb.c b/src/exchangedb/test_exchangedb.c
index d645abe..c7f9799 100644
--- a/src/exchangedb/test_exchangedb.c
+++ b/src/exchangedb/test_exchangedb.c
@@ -481,6 +481,7 @@ static unsigned int auditor_row_cnt;
*
* @param cls closure
* @param rowid unique serial ID for the refresh session in our DB
+ * @param denom_pub denomination of the @a coin_pub
* @param coin_pub public key of the coin
* @param coin_sig signature from the coin
* @param amount_with_fee amount that was deposited including fee
@@ -492,6 +493,7 @@ static unsigned int auditor_row_cnt;
static int
audit_refresh_session_cb (void *cls,
uint64_t rowid,
+ const struct TALER_DenominationPublicKey *denom_pub,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
const struct TALER_CoinSpendSignatureP *coin_sig,
const struct TALER_Amount *amount_with_fee,
@@ -927,6 +929,7 @@ deposit_cb (void *cls,
* @param rowid unique serial ID for the deposit in our DB
* @param timestamp when did the deposit happen
* @param merchant_pub public key of the merchant
+ * @param denom_pub denomination of the @a coin_pub
* @param coin_pub public key of the coin
* @param coin_sig signature from the coin
* @param amount_with_fee amount that was deposited including fee
@@ -944,6 +947,7 @@ audit_deposit_cb (void *cls,
uint64_t rowid,
struct GNUNET_TIME_Absolute timestamp,
const struct TALER_MerchantPublicKeyP *merchant_pub,
+ const struct TALER_DenominationPublicKey *denom_pub,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
const struct TALER_CoinSpendSignatureP *coin_sig,
const struct TALER_Amount *amount_with_fee,
@@ -964,6 +968,7 @@ audit_deposit_cb (void *cls,
*
* @param cls closure
* @param rowid unique serial ID for the refund in our DB
+ * @param denom_pub denomination of the @a coin_pub
* @param coin_pub public key of the coin
* @param merchant_pub public key of the merchant
* @param merchant_sig signature of the merchant
@@ -976,6 +981,7 @@ audit_deposit_cb (void *cls,
static int
audit_refund_cb (void *cls,
uint64_t rowid,
+ const struct TALER_DenominationPublicKey *denom_pub,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
const struct TALER_MerchantPublicKeyP *merchant_pub,
const struct TALER_MerchantSignatureP *merchant_sig,
diff --git a/src/include/taler_exchangedb_plugin.h
b/src/include/taler_exchangedb_plugin.h
index 970a57f..9e5a050 100644
--- a/src/include/taler_exchangedb_plugin.h
+++ b/src/include/taler_exchangedb_plugin.h
@@ -592,6 +592,7 @@ typedef void
* @param rowid unique serial ID for the deposit in our DB
* @param timestamp when did the deposit happen
* @param merchant_pub public key of the merchant
+ * @param denom_pub denomination public key of @a coin_pub
* @param coin_pub public key of the coin
* @param coin_sig signature from the coin
* @param amount_with_fee amount that was deposited including fee
@@ -609,6 +610,7 @@ typedef int
uint64_t rowid,
struct GNUNET_TIME_Absolute timestamp,
const struct TALER_MerchantPublicKeyP
*merchant_pub,
+ const struct TALER_DenominationPublicKey
*denom_pub,
const struct TALER_CoinSpendPublicKeyP
*coin_pub,
const struct TALER_CoinSpendSignatureP
*coin_sig,
const struct TALER_Amount *amount_with_fee,
@@ -625,6 +627,7 @@ typedef int
*
* @param cls closure
* @param rowid unique serial ID for the refresh session in our DB
+ * @param denom_pub denomination public key of @a coin_pub
* @param coin_pub public key of the coin
* @param coin_sig signature from the coin
* @param amount_with_fee amount that was deposited including fee
@@ -636,6 +639,7 @@ typedef int
typedef int
(*TALER_EXCHANGEDB_RefreshSessionCallback)(void *cls,
uint64_t rowid,
+ const struct
TALER_DenominationPublicKey *denom_pub,
const struct
TALER_CoinSpendPublicKeyP *coin_pub,
const struct
TALER_CoinSpendSignatureP *coin_sig,
const struct TALER_Amount
*amount_with_fee,
@@ -650,6 +654,7 @@ typedef int
*
* @param cls closure
* @param rowid unique serial ID for the refund in our DB
+ * @param denom_pub denomination public key of @a coin_pub
* @param coin_pub public key of the coin
* @param merchant_pub public key of the merchant
* @param merchant_sig signature of the merchant
@@ -661,6 +666,7 @@ typedef int
typedef int
(*TALER_EXCHANGEDB_RefundCallback)(void *cls,
uint64_t rowid,
+ const struct TALER_DenominationPublicKey
*denom_pub,
const struct TALER_CoinSpendPublicKeyP
*coin_pub,
const struct TALER_MerchantPublicKeyP
*merchant_pub,
const struct TALER_MerchantSignatureP
*merchant_sig,
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- [GNUnet-SVN] [taler-exchange] branch master updated: simplify analysis by returning denom_pub with rest of coin transaction data instead of bothering fetching with coin history,
gnunet <=