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more optimizations of tables with foreign keys

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This commit is contained in:
Christian Grothoff 2021-01-09 13:18:01 +01:00
parent 260e287685
commit 02ecf68a3d
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GPG Key ID: 939E6BE1E29FC3CC
3 changed files with 218 additions and 71 deletions
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50
src/exchangedb/exchange-0002.sql
View File

@ -231,6 +231,56 @@ COMMENT ON COLUMN recoup_refresh.rrc_serial
IS 'Identifies the h_blind_ev of the recouped coin (as h_coin_ev).';
-- Change 'rc' in refresh_transfer_keys and refresh_revealed_coins tables to 'melt_serial_id'
ALTER TABLE refresh_transfer_keys
ADD COLUMN melt_serial_id INT8 REFERENCES refresh_commitments (melt_serial_id) ON DELETE CASCADE;
UPDATE refresh_transfer_keys
SET melt_serial_id=d.melt_serial_id
FROM refresh_transfer_keys o
INNER JOIN refresh_commitments d ON (d.rc = o.rc);
ALTER TABLE refresh_transfer_keys
ALTER COLUMN melt_serial_id SET NOT NULL;
ALTER TABLE refresh_transfer_keys
DROP COLUMN rc;
COMMENT ON COLUMN refresh_transfer_keys.melt_serial_id
IS 'Identifies the refresh commitment (rc) of the operation.';
ALTER TABLE refresh_revealed_coins
ADD COLUMN melt_serial_id INT8 REFERENCES refresh_commitments (melt_serial_id) ON DELETE CASCADE;
UPDATE refresh_revealed_coins
SET melt_serial_id=d.melt_serial_id
FROM refresh_revealed_coins o
INNER JOIN refresh_commitments d ON (d.rc = o.rc);
ALTER TABLE refresh_revealed_coins
ALTER COLUMN melt_serial_id SET NOT NULL;
ALTER TABLE refresh_revealed_coins
DROP COLUMN rc;
COMMENT ON COLUMN refresh_revealed_coins.melt_serial_id
IS 'Identifies the refresh commitment (rc) of the operation.';
-- Change 'merchant_pub' and 'h_contract_terms' and 'known_coin_id' in 'refunds' table
-- to 'deposit_serial_id' instead!
ALTER TABLE refunds
ADD COLUMN deposit_serial_id INT8 REFERENCES deposits (deposit_serial_id) ON DELETE CASCADE;
UPDATE refunds
SET deposit_serial_id=d.deposit_serial_id
FROM refunds o
INNER JOIN deposits d
ON ( (d.known_coin_id = o.known_coin_id) AND
(d.h_contract_terms = o.h_contract_terms) AND
(d.merchant_pub = o.merchant_pub) );
ALTER TABLE refunds
ALTER COLUMN deposit_serial_id SET NOT NULL;
ALTER TABLE refunds
DROP COLUMN merchant_pub,
DROP COLUMN h_contract_terms,
DROP COLUMN known_coin_id;
COMMENT ON COLUMN refunds.deposit_serial_id
IS 'Identifies ONLY the merchant_pub, h_contract_terms and known_coin_id. Multiple deposits may match a refund, this only identifies one of them.';
-- Create additional tables...
CREATE TABLE IF NOT EXISTS auditors

85
src/exchangedb/plugin_exchangedb_postgres.c
View File

@ -781,16 +781,22 @@ postgres_get_session (void *cls)
/* Store information about the desired denominations for a
refresh operation, used in #postgres_insert_refresh_reveal() */
GNUNET_PQ_make_prepare ("insert_refresh_revealed_coin",
"WITH rcx AS"
" (SELECT melt_serial_id"
" FROM refresh_commitments"
" WHERE rc=$1)"
"INSERT INTO refresh_revealed_coins "
"(rc "
"(melt_serial_id "
",freshcoin_index "
",link_sig "
",denominations_serial "
",coin_ev"
",h_coin_ev"
",ev_sig"
") SELECT $1, $2, $3, denominations_serial, $5, $6, $7 "
") SELECT rcx.melt_serial_id, $2, $3, "
" denominations_serial, $5, $6, $7 "
" FROM denominations"
" CROSS JOIN rcx"
" WHERE denom_pub_hash=$4;",
7),
/* Obtain information about the coins created in a refresh
@ -805,6 +811,8 @@ postgres_get_session (void *cls)
" FROM refresh_revealed_coins"
" JOIN denominations denom "
" USING (denominations_serial)"
" JOIN refresh_commitments"
" USING (melt_serial_id)"
" WHERE rc=$1"
" ORDER BY freshcoin_index ASC;",
1),
@ -813,11 +821,12 @@ postgres_get_session (void *cls)
keys we learned */
GNUNET_PQ_make_prepare ("insert_refresh_transfer_keys",
"INSERT INTO refresh_transfer_keys "
"(rc"
"(melt_serial_id"
",transfer_pub"
",transfer_privs"
") VALUES "
"($1, $2, $3);",
") SELECT melt_serial_id, $2, $3"
" FROM refresh_commitments"
" WHERE rc=$1",
3),
/* Used in #postgres_get_refresh_reveal() to retrieve transfer
keys from /refresh/reveal */
@ -826,23 +835,24 @@ postgres_get_session (void *cls)
" transfer_pub"
",transfer_privs"
" FROM refresh_transfer_keys"
" JOIN refresh_commitments"
" USING (melt_serial_id)"
" WHERE rc=$1;",
1),
/* Used in #postgres_insert_refund() to store refund information */
GNUNET_PQ_make_prepare ("insert_refund",
"INSERT INTO refunds "
"(known_coin_id "
",merchant_pub "
"(deposit_serial_id "
",merchant_sig "
",h_contract_terms "
",rtransaction_id "
",amount_with_fee_val "
",amount_with_fee_frac "
") SELECT known_coin_id, $2, $3, $4, $5, $6, $7"
" FROM known_coins"
" WHERE coin_pub=$1",
") SELECT deposit_serial_id, $3, $5, $6, $7"
" FROM deposits"
" JOIN known_coins USING (known_coin_id)"
" WHERE coin_pub=$1"
" AND h_contract_terms=$4"
" AND merchant_pub=$2",
7),
/* Query the 'refunds' by coin public key */
GNUNET_PQ_make_prepare ("get_refunds_by_coin",
@ -851,12 +861,13 @@ postgres_get_session (void *cls)
",merchant_sig"
",h_contract_terms"
",rtransaction_id"
",amount_with_fee_val"
",amount_with_fee_frac"
",refunds.amount_with_fee_val"
",refunds.amount_with_fee_frac"
",denom.fee_refund_val "
",denom.fee_refund_frac "
",refund_serial_id"
" FROM refunds"
" JOIN deposits USING (deposit_serial_id)"
" JOIN known_coins USING (known_coin_id)"
" JOIN denominations denom USING (denominations_serial)"
" WHERE coin_pub=$1;",
@ -864,9 +875,10 @@ postgres_get_session (void *cls)
/* Query the 'refunds' by coin public key, merchant_pub and contract hash */
GNUNET_PQ_make_prepare ("get_refunds_by_coin_and_contract",
"SELECT"
" amount_with_fee_val"
",amount_with_fee_frac"
" refunds.amount_with_fee_val"
",refunds.amount_with_fee_frac"
" FROM refunds"
" JOIN deposits USING (deposit_serial_id)"
" JOIN known_coins USING (known_coin_id)"
" WHERE coin_pub=$1"
" AND merchant_pub=$2"
@ -881,10 +893,11 @@ postgres_get_session (void *cls)
",rtransaction_id"
",denom.denom_pub"
",kc.coin_pub"
",amount_with_fee_val"
",amount_with_fee_frac"
",refunds.amount_with_fee_val"
",refunds.amount_with_fee_frac"
",refund_serial_id"
" FROM refunds"
" JOIN deposits USING (deposit_serial_id)"
" JOIN known_coins kc USING (known_coin_id)"
" JOIN denominations denom ON (kc.denominations_serial = denom.denominations_serial)"
" WHERE refund_serial_id>=$1"
@ -1086,9 +1099,9 @@ postgres_get_session (void *cls)
",rrc.link_sig"
" FROM refresh_commitments"
" JOIN refresh_revealed_coins rrc"
" USING (rc)"
" USING (melt_serial_id)"
" JOIN refresh_transfer_keys tp"
" USING (rc)"
" USING (melt_serial_id)"
" JOIN denominations denoms"
" ON (rrc.denominations_serial = denoms.denominations_serial)"
" WHERE old_known_coin_id="
@ -1239,16 +1252,17 @@ postgres_get_session (void *cls)
",wire_deadline"
",tiny"
",done"
" FROM deposits"
" FROM deposits d"
" JOIN known_coins USING (known_coin_id)"
" WHERE wire_deadline >= $1"
" AND wire_deadline < $2"
" AND NOT (EXISTS (SELECT 1"
" FROM refunds"
" WHERE (refunds.known_coin_id = deposits.known_coin_id))"
" JOIN deposits dx USING (deposit_serial_id)"
" WHERE (dx.known_coin_id = d.known_coin_id))"
" OR EXISTS (SELECT 1"
" FROM aggregation_tracking"
" WHERE (aggregation_tracking.deposit_serial_id = deposits.deposit_serial_id)))"
" WHERE (aggregation_tracking.deposit_serial_id = d.deposit_serial_id)))"
" ORDER BY wire_deadline ASC",
2),
/* Used in #postgres_select_wire_out_above_serial_id() */
@ -1364,10 +1378,10 @@ postgres_get_session (void *cls)
" FROM recoup_refresh"
" INNER JOIN refresh_revealed_coins rrc"
" USING (rrc_serial)"
" INNER JOIN refresh_commitments rc"
" ON (rrc.rc = rc.rc)"
" INNER JOIN refresh_commitments rfc"
" ON (rrc.melt_serial_id = rfc.melt_serial_id)"
" INNER JOIN known_coins old_coins"
" ON (rc.old_known_coin_id = old_coins.known_coin_id)"
" ON (rfc.old_known_coin_id = old_coins.known_coin_id)"
" INNER JOIN known_coins new_coins"
" ON (new_coins.known_coin_id = recoup_refresh.known_coin_id)"
" INNER JOIN denominations new_denoms"
@ -1442,7 +1456,7 @@ postgres_get_session (void *cls)
" (SELECT rrc.rrc_serial"
" FROM refresh_commitments"
" JOIN refresh_revealed_coins rrc"
" USING (rc)"
" USING (melt_serial_id)"
" WHERE old_known_coin_id="
" (SELECT known_coin_id"
" FROM known_coins"
@ -1518,10 +1532,10 @@ postgres_get_session (void *cls)
" FROM recoup_refresh"
" JOIN refresh_revealed_coins rrc"
" USING (rrc_serial)"
" JOIN refresh_commitments rc"
" ON (rrc.rc = rc.rc)"
" JOIN refresh_commitments rfc"
" ON (rrc.melt_serial_id = rfc.melt_serial_id)"
" JOIN known_coins old_coins"
" ON (rc.old_known_coin_id = old_coins.known_coin_id)"
" ON (rfc.old_known_coin_id = old_coins.known_coin_id)"
" JOIN known_coins coins"
" ON (recoup_refresh.known_coin_id = coins.known_coin_id)"
" JOIN denominations denoms"
@ -1543,7 +1557,7 @@ postgres_get_session (void *cls)
"SELECT"
" okc.coin_pub AS old_coin_pub"
" FROM refresh_revealed_coins rrc"
" JOIN refresh_commitments rcom USING (rc)"
" JOIN refresh_commitments rcom USING (melt_serial_id)"
" JOIN known_coins okc ON (rcom.old_known_coin_id = okc.known_coin_id)"
" WHERE h_coin_ev=$1"
" LIMIT 1;",
@ -2041,6 +2055,7 @@ postgres_get_session (void *cls)
",rrc_serial"
",denominations_serial"
" FROM refresh_revealed_coins"
" JOIN refresh_commitments USING (melt_serial_id)"
" ORDER BY rrc_serial ASC;",
0),
GNUNET_PQ_make_prepare (
@ -2051,6 +2066,7 @@ postgres_get_session (void *cls)
",transfer_pub"
",transfer_privs"
" FROM refresh_transfer_keys"
" JOIN refresh_commitments USING (melt_serial_id)"
" ORDER BY rtc_serial ASC;",
0),
GNUNET_PQ_make_prepare ("select_above_serial_by_table_deposits",
@ -2080,10 +2096,11 @@ postgres_get_session (void *cls)
",merchant_sig"
",h_contract_terms"
",rtransaction_id"
",amount_with_fee_val"
",amount_with_fee_frac"
",refunds.amount_with_fee_val"
",refunds.amount_with_fee_frac"
",known_coin_id"
" FROM refunds"
" JOIN deposits USING (deposit_serial_id)"
" ORDER BY refund_serial_id ASC;",
0),
GNUNET_PQ_make_prepare ("select_above_serial_by_table_wire_out",

154
src/include/taler_exchangedb_plugin.h
View File

@ -75,6 +75,32 @@ struct TALER_EXCHANGEDB_DenominationKeyInformationP
GNUNET_NETWORK_STRUCT_END
/**
* Meta data about an exchange online signing key.
*/
struct TALER_EXCHANGEDB_SignkeyMetaData
{
/**
* Start time of the validity period for this key.
*/
struct GNUNET_TIME_Absolute start;
/**
* The exchange will sign messages with this key between @e start and this time.
*/
struct GNUNET_TIME_Absolute expire_sign;
/**
* When do signatures with this sign key become invalid?
* After this point, these signatures cannot be used in (legal)
* disputes anymore, as the Exchange is then allowed to destroy its side
* of the evidence. @e expire_legal is expected to be significantly
* larger than @e expire_sign (by a year or more).
*/
struct GNUNET_TIME_Absolute expire_legal;
};
/**
* Enumeration of all of the tables replicated by exchange-auditor
@ -194,16 +220,97 @@ struct TALER_EXCHANGEDB_TableData
uint64_t denominations_serial;
} reserves_out;
struct {} auditors;
struct {} auditor_denom_sigs;
struct {} exchange_sign_keys;
struct {} signkey_revocations;
struct {} known_coins;
struct {} refresh_commitments;
struct {} refresh_revealed_coins;
struct {} refresh_transfer_keys;
struct {} deposits;
struct {} refunds;
struct
{
struct TALER_AuditorPublicKeyP auditor_pub;
char *auditor_url;
char *auditor_name;
bool is_active;
struct GNUNET_TIME_Absolute last_change;
} auditors;
struct
{
uint64_t auditor_uuid;
uint64_t denominations_serial;
struct TALER_AuditorSignatureP auditor_sig;
} auditor_denom_sigs;
struct
{
struct TALER_ExchangePublicKeyP exchange_pub;
struct TALER_MasterSignatureP master_sig;
struct TALER_EXCHANGEDB_SignkeyMetaData meta;
} exchange_sign_keys;
struct
{
uint64_t esk_serial;
struct TALER_MasterSignatureP master_sig;
} signkey_revocations;
struct
{
struct TALER_CoinSpendPublicKeyP coin_pub;
struct TALER_DenominationSignature denom_sig;
uint64_t denominations_serial;
} known_coins;
struct
{
struct TALER_RefreshCommitmentP rc;
struct TALER_CoinSpendSignatureP old_coin_sig;
struct TALER_Amount amount_with_fee;
uint32_t noreveal_index;
uint64_t old_known_coin_id;
} refresh_commitments;
struct
{
uint64_t freshcoin_index;
struct TALER_CoinSpendSignatureP link_sig;
void *coin_ev;
size_t coin_ev_size;
// h_coin_ev omitted, to be recomputed!
struct TALER_DenominationSignature ev_sig;
uint64_t denominations_serial;
uint64_t melt_serial_id;
} refresh_revealed_coins;
struct
{
struct TALER_TransferPublicKeyP tp;
struct TALER_TransferPrivateKeyP tprivs[TALER_CNC_KAPPA - 1];
uint64_t melt_serial_id;
} refresh_transfer_keys;
struct
{
struct TALER_Amount amount_with_fee;
struct GNUNET_TIME_Absolute wallet_timestamp;
struct GNUNET_TIME_Absolute exchange_timestamp;
struct GNUNET_TIME_Absolute refund_deadline;
struct GNUNET_TIME_Absolute wire_deadline;
struct TALER_MerchantPublicKeyP merchant_pub;
struct GNUNET_HashCode h_contract_terms;
// h_wire omitted, to be recomputed!
struct TALER_CoinSpendSignatureP coin_sig;
json_t *wire;
bool tiny;
bool done;
uint64_t known_coin_id;
} deposits;
struct
{
struct TALER_MerchantPublicKeyP merchant_pub; // FIXME
struct TALER_MerchantSignatureP merchant_sig;
struct GNUNET_HashCode h_contract_terms; // FIXME
uint64_t rtransaction_id;
struct TALER_Amount amount_with_fee;
uint64_t known_coin_id;
} refunds;
struct {} wire_out;
struct {} aggregation_tracking;
struct {} wire_fee;
@ -463,33 +570,6 @@ typedef void
bool recoup_possible);
/**
* Meta data about an exchange online signing key.
*/
struct TALER_EXCHANGEDB_SignkeyMetaData
{
/**
* Start time of the validity period for this key.
*/
struct GNUNET_TIME_Absolute start;
/**
* The exchange will sign messages with this key between @e start and this time.
*/
struct GNUNET_TIME_Absolute expire_sign;
/**
* When do signatures with this sign key become invalid?
* After this point, these signatures cannot be used in (legal)
* disputes anymore, as the Exchange is then allowed to destroy its side
* of the evidence. @e expire_legal is expected to be significantly
* larger than @e expire_sign (by a year or more).
*/
struct GNUNET_TIME_Absolute expire_legal;
};
/**
* Signature of a function called with information about the exchange's
* online signing keys.