exchange/src/exchangedb/spi/pg_aggregate.c
2023-03-27 09:55:00 -04:00

390 lines
14 KiB
C

#include "postgres.h"
#include "fmgr.h"
#include "utils/numeric.h"
#include "utils/builtins.h"
#include "executor/spi.h"
PG_MODULE_MAGIC;
PG_FUNCTION_INFO_V1(get_deposit_summary);
Datum get_deposit_summary(PG_FUNCTION_ARGS)
{
static SPIPlanPtr deposit_plan;
static SPIPlanPtr refund_plan;
static SPIPlanPtr refund_by_coin_plan;
static SPIPlanPtr norm_refund_by_coin_plan;
static SPIPlanPtr fully_refunded_by_coins_plan;
static SPIPlanPtr fees_plan;
int shard = PG_GETARG_INT32(0);
char * sql;
char *merchant_pub = text_to_cstring(PG_GETARG_TEXT_P(1));
char *wire_target_h_payto = text_to_cstring(PG_GETARG_TEXT_P(2));
char *wtid_raw = text_to_cstring(PG_GETARG_TEXT_P(3));
int refund_deadline = PG_GETARG_INT32(4);
int conn = SPI_connect();
if (conn != SPI_OK_CONNECT)
{
elog(ERROR, "DB connexion failed ! \n");
}
if ( deposit_plan == NULL
|| refund_plan == NULL
|| refund_by_coin_plan == NULL
|| norm_refund_by_coin_plan = NULL
|| fully_refunded_coins_plan = NULL
|| fees_plan == NULL )
{
if (deposit_plan == NULL)
{
int nargs = 3;
Oid argtypes[3];
argtypes[0] = INT8OID;
argtypes[1] = BYTEAOID;
argtypes[2] = BYTEAOID;
const char *dep_sql =
" UPDATE deposits"
" SET done=TRUE"
" WHERE NOT (done OR policy_blocked)"
" AND refund_deadline < $1"
" AND merchant_pub = $2"
" AND wire_target_h_payto = $3"
" RETURNING"
" deposit_serial_id"
" ,coin_pub"
" ,amount_with_fee_val AS amount_val"
" ,amount_with_fee_frac AS amount_frac";
SPIPlanPtr new_plan =
SPI_prepare(dep_sql, 4, argtypes});
if (new_plan == NULL)
{
elog(ERROR, "SPI_prepare for deposit failed ! \n");
}
deposit_plan = SPI_saveplan(new_plan);
if (deposit_plan == NULL)
{
elog(ERROR, "SPI_saveplan for deposit failed ! \n");
}
}
Datum values[4];
values[0] = Int64GetDatum(refund_deadline);
values[1] = CStringGetDatum(merchant_pub);
values[2] = CStringGetDatum(wire_target_h_payto);
int ret = SPI_execute_plan (deposit_plan,
values,
NULL,
true,
0);
if (ret != SPI_OK_UPDATE)
{
elog(ERROR, "Failed to execute subquery 1\n");
}
uint64_t *dep_deposit_serial_ids = palloc(sizeof(uint64_t) * SPI_processed);
BYTEA **dep_coin_pubs = palloc(sizeof(BYTEA *) * SPI_processed);
uint64_t *dep_amount_vals = palloc(sizeof(uint64_t) * SPI_processed);
uint32_t *dep_amount_fracs = palloc(sizeof(uint32_t) * SPI_processed);
for (unsigned int i = 0; i < SPI_processed; i++) {
HeapTuple tuple = SPI_tuptable->vals[i];
dep_deposit_serial_ids[i] =
DatumGetInt64(SPI_getbinval(tuple, SPI_tuptable->tupdesc, 1, &ret));
dep_coin_pubs[i] =
DatumGetByteaP(SPI_getbinval(tuple, SPI_tuptable->tupdesc, 2, &ret));
dep_amount_vals[i] =
DatumGetInt64(SPI_getbinval(tuple, SPI_tuptable->tupdesc, 3, &ret));
dep_amount_fracs[i] =
DatumGetInt32(SPI_getbinval(tuple, SPI_tuptable->tupdesc, 4, &ret));
}
if (refund_plan == NULL)
{
const char *ref_sql =
"ref AS ("
" SELECT"
" amount_with_fee_val AS refund_val"
" ,amount_with_fee_frac AS refund_frac"
" ,coin_pub"
" ,deposit_serial_id"
" FROM refunds"
" WHERE coin_pub IN (SELECT coin_pub FROM dep)"
" AND deposit_serial_id IN (SELECT deposit_serial_id FROM dep)) ";
SPIPlanPtr new_plan = SPI_prepare(ref_sql, 0, NULL);
if (new_plan == NULL)
elog (ERROR, "SPI_prepare for refund failed ! \n");
refund_plan = SPI_saveplan(new_plan);
if (refund_plan == NULL)
{
elog(ERROR, "SPI_saveplan for refund failed ! \n");
}
}
int64t_t *ref_deposit_serial_ids = palloc(sizeof(int64_t) * SPI_processed);
int res = SPI_execute_plan (refund_plan, NULL, NULL, false, 0);
if (res != SPI_OK_SELECT)
{
elog(ERROR, "Failed to execute subquery 2\n");
}
SPITupleTable *tuptable = SPI_tuptable;
TupleDesc tupdesc = tuptable->tupdesc;
for (unsigned int i = 0; i < SPI_processed; i++)
{
HeapTuple tuple = tuptable->vals[i];
Datum refund_val = SPI_getbinval(tuple, tupdesc, 1, &refund_val_isnull);
Datum refund_frac = SPI_getbinval(tuple, tupdesc, 2, &refund_frac_isnull);
Datum coin_pub = SPI_getbinval(tuple, tupdesc, 3, &coin_pub_isnull);
Datum deposit_serial_id = SPI_getbinval(tuple, tupdesc, 4, &deposit_serial_id_isnull);
if (refund_val_isnull
|| refund_frac_isnull
|| coin_pub_isnull
|| deposit_serial_id_isnull )
{
elog(ERROR, "Failed to retrieve data from subquery 2");
}
uint64_t refund_val_int = DatumGetUInt64(refund_val);
uint32_t refund_frac_int = DatumGetUInt32(refund_frac);
BYTEA coin_pub = DatumGetByteaP(coin_pub);
ref_deposit_serial_ids = DatumGetInt64(deposit_serial_id);
refund *new_refund = (refund*) palloc(sizeof(refund));
new_refund->coin_pub = coin_pub_str;
new_refund->deposit_serial_id = deposit_serial_id_int;
new_refund->amount_with_fee_val = refund_val_int;
new_refund->amount_with_fee_frac = refund_frac_int;
}
if (refund_by_coin_plan == NULL)
{
const char *ref_by_coin_sql =
"ref_by_coin AS ("
" SELECT"
" SUM(refund_val) AS sum_refund_val"
" ,SUM(refund_frac) AS sum_refund_frac"
" ,coin_pub"
" ,deposit_serial_id"
" FROM ref"
" GROUP BY coin_pub, deposit_serial_id) ";
SPIPlanPtr new_plan = SPI_prepare (ref_by_coin_sql, 0, NULL);
if (new_plan == NULL)
elog(ERROR, "SPI_prepare for refund by coin failed ! \n");
refund_by_coin_plan = SPI_saveplan (new_plan);
if (refund_by_coin_plan == NULL)
elog(ERROR, "SPI_saveplan for refund failed");
}
int res = SPI_execute_plan (refund_by_coin_plan, NULL, NULL, false, 0);
if (res != SPI_OK_SELECT)
{
elog(ERROR, "Failed to execute subquery 2\n");
}
SPITupleTable *tuptable = SPI_tuptable;
TupleDesc tupdesc = tuptable->tupdesc;
for (unsigned int i = 0; i < SPI_processed; i++)
{
HeapTuple tuple = tuptable->vals[i];
Datum sum_refund_val = SPI_getbinval(tuple, tupdesc, 1, &refund_val_isnull);
Datum sum_refund_frac = SPI_getbinval(tuple, tupdesc, 2, &refund_frac_isnull);
Datum coin_pub = SPI_getbinval(tuple, tupdesc, 3, &coin_pub_isnull);
Datum deposit_serial_id_int = SPI_getbinval(tuple, tupdesc, 4, &deposit_serial_id_isnull);
if (refund_val_isnull
|| refund_frac_isnull
|| coin_pub_isnull
|| deposit_serial_id_isnull )
{
elog(ERROR, "Failed to retrieve data from subquery 2");
}
uint64_t s_refund_val_int = DatumGetUInt64(sum_refund_val);
uint32_t s_refund_frac_int = DatumGetUInt32(sum_refund_frac);
BYTEA coin_pub = DatumGetByteaP(coin_pub);
uint64_t deposit_serial_id_int = DatumGetInt64(deposit_serial_id_int);
refund *new_refund_by_coin = (refund*) palloc(sizeof(refund));
new_refund_by_coin->coin_pub = coin_pub;
new_refund_by_coin->deposit_serial_id = deposit_serial_id_int;
new_refund_by_coin->refund_amount_with_fee_val = s_refund_val_int;
new_refund_by_coin->refund_amount_with_fee_frac = s_refund_frac_int;
}
if (norm_refund_by_coin_plan == NULL)
{
const char *norm_ref_by_coin_sql =
"norm_ref_by_coin AS ("
" SELECT"
" coin_pub"
" ,deposit_serial_id"
" FROM ref_by_coin) ";
SPIPlanPtr new_plan = SPI_prepare (norm_ref_by_coin_sql, 0, NULL);
if (new_plan == NULL)
elog(ERROR, "SPI_prepare for norm refund by coin failed ! \n");
norm_refund_by_coin_plan = SPI_saveplan(new_plan);
if (norm_refund_by_coin_plan == NULL)
elog(ERROR, "SPI_saveplan for norm refund by coin failed ! \n");
}
double norm_refund_val =
((double)new_refund_by_coin->refund_amount_with_fee_val
+ (double)new_refund_by_coin->refund_amount_with_fee_frac) / 100000000;
double norm_refund_frac =
(double)new_refund_by_coin->refund_amount_with_fee_frac % 100000000;
if (fully_refunded_coins_plan == NULL)
{
const char *fully_refunded_coins_sql =
"fully_refunded_coins AS ("
" SELECT"
" dep.coin_pub"
" FROM norm_ref_by_coin norm"
" JOIN dep"
" ON (norm.coin_pub = dep.coin_pub"
" AND norm.deposit_serial_id = dep.deposit_serial_id"
" AND norm.norm_refund_val = dep.amount_val"
" AND norm.norm_refund_frac = dep.amount_frac)) ";
SPIPlanPtr new_plan =
SPI_prepare(fully_refunded_coins_sql, 0, NULL);
if (new_plan == NULL)
elog (ERROR, "SPI_prepare for fully refunded coins failed ! \n");
fully_refunded_coins_plan = SPI_saveplan(new_plan);
if (fully_refunded_coins_plan == NULL)
elog (ERROR, "SPI_saveplan for fully refunded coins failed ! \n");
}
int res = SPI_execute_plan(fully_refunded_coins_sql);
if ( res != SPI_OK_SELECT)
elog(ERROR, "Failed to execute subquery 4\n");
SPITupleTable * tuptable = SPI_tuptable;
TupleDesc tupdesc = tuptable->tupdesc;
BYTEA coin_pub = SPI_getbinval(tuple, tupdesc, 1, &coin_pub_isnull);
if (fees_plan == NULL)
{
const char *fees_sql =
"SELECT "
" denom.fee_deposit_val AS fee_val, "
" denom.fee_deposit_frac AS fee_frac, "
" cs.deposit_serial_id "
"FROM dep cs "
"JOIN known_coins kc USING (coin_pub) "
"JOIN denominations denom USING (denominations_serial) "
"WHERE coin_pub NOT IN (SELECT coin_pub FROM fully_refunded_coins)";
SPIPlanPtr new_plan =
SPI_prepare(fees_sql, 0, NULL);
if (new_plan == NULL)
{
elog(ERROR, "SPI_prepare for fees failed ! \n");
}
fees_plan = SPI_saveplan(new_plan);
if (fees_plan == NULL)
{
elog(ERROR, "SPI_saveplan for fees failed ! \n");
}
}
}
int fees_ntuples;
SPI_execute(fees_sql, true, 0);
if (SPI_result_code() != SPI_OK_SELECT)
{
ereport(
ERROR,
(errcode(ERRCODE_INTERNAL_ERROR),
errmsg("deposit fee query failed: error code %d \n", SPI_result_code())));
}
fees_ntuples = SPI_processed;
if (fees_ntuples > 0)
{
for (i = 0; i < fees_ntuples; i++)
{
Datum fee_val_datum =
SPI_getbinval(SPI_tuptable->vals[i], SPI_tuptable->tupdesc, 1, &fee_null);
Datum fee_frac_datum =
SPI_getbinval(SPI_tuptable->vals[i], SPI_tuptable->tupdesc, 2, &fee_null);
Datum deposit_id_datum =
SPI_getbinval(SPI_tuptable->vals[i], SPI_tuptable->tupdesc, 3, &deposit_null);
if (!fee_null && !deposit_null)
{
int64 fee_val = DatumGetInt64(fee_val_datum);
int32 fee_frac = DatumGetInt32(fee_frac_datum);
int64 deposit_id = DatumGetInt64(deposit_id_datum);
sum_fee_value += fee_val;
sum_fee_fraction += fee_frac;
char *insert_agg_sql =
psprintf(
"INSERT INTO "
"aggregation_tracking(deposit_serial_id, wtid_raw)"
" VALUES (%lld, '%s')",
deposit_id, wtid_raw);
SPI_execute(insert_agg_sql, false, 0);
}
}
}
TupleDesc tupdesc;
SPITupleTable *tuptable = SPI_tuptable;
HeapTuple tuple;
Datum result;
if (tuptable == NULL || SPI_processed != 1)
{
ereport(
ERROR,
(errcode(ERRCODE_INTERNAL_ERROR),
errmsg("Unexpected result \n")));
}
tupdesc = SPI_tuptable->tupdesc;
tuple = SPI_tuptable->vals[0];
result = HeapTupleGetDatum(tuple);
TupleDesc result_desc = CreateTemplateTupleDesc(6, false);
TupleDescInitEntry(result_desc, (AttrNumber) 1, "sum_deposit_value", INT8OID, -1, 0);
TupleDescInitEntry(result_desc, (AttrNumber) 2, "sum_deposit_fraction", INT4OID, -1, 0);
TupleDescInitEntry(result_desc, (AttrNumber) 3, "sum_refund_value", INT8OID, -1, 0);
TupleDescInitEntry(result_desc, (AttrNumber) 4, "sum_refund_fraction", INT4OID, -1, 0);
TupleDescInitEntry(result_desc, (AttrNumber) 5, "sum_fee_value", INT8OID, -1, 0);
TupleDescInitEntry(result_desc, (AttrNumber) 6, "sum_fee_fraction", INT4OID, -1, 0);
int ret = SPI_prepare(sql, 4, argtypes);
if (ret != SPI_OK_PREPARE)
{
elog(ERROR, "Failed to prepare statement: %s \n", sql);
}
ret = SPI_execute_plan(plan, args, nulls, true, 0);
if (ret != SPI_OK_SELECT)
{
elog(ERROR, "Failed to execute statement: %s \n", sql);
}
if (SPI_processed > 0)
{
HeapTuple tuple;
Datum values[6];
bool nulls[6] = {false};
values[0] =
SPI_getbinval(SPI_tuptable->vals[0], SPI_tuptable->tupdesc, 1, &nulls[0]);
values[1] =
SPI_getbinval(SPI_tuptable->vals[0], SPI_tuptable->tupdesc, 2, &nulls[1]);
values[2] =
SPI_getbinval(SPI_tuptable->vals[0], SPI_tuptable->tupdesc, 3, &nulls[2]);
values[3] =
SPI_getbinval(SPI_tuptable->vals[0], SPI_tuptable->tupdesc, 4, &nulls[3]);
values[4] =
SPI_getbinval(SPI_tuptable->vals[0], SPI_tuptable->tupdesc, 5, &nulls[4]);
values[5] =
SPI_getbinval(SPI_tuptable->vals[0], SPI_tuptable->tupdesc, 6, &nulls[5]);
tuple = heap_form_tuple(result_desc, values, nulls);
PG_RETURN_DATUM(HeapTupleGetDatum(tuple));
}
SPI_finish();
PG_RETURN_NULL();
}