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filters.go
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filters.go
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package models
import (
"encoding/json"
"errors"
"fmt"
"time"
"github.com/diadata-org/diadata/pkg/dia"
)
// SetFilter stores a filter point
func (datastore *DB) SetFilter(filter string, asset dia.Asset, exchange string, value float64, t time.Time) error {
// return datastore.SaveFilterInflux(filter, asset, exchange, value, t)
err := datastore.SaveFilterInflux(filter, asset, exchange, value, t)
if err != nil {
return err
}
err = datastore.setZSETValue(getKeyFilterZSET(getKey(filter, asset, exchange)), value, t.Unix(), BiggestWindow)
if err != nil {
return err
}
return err
}
func (datastore *DB) GetFilterPointsAsset(filter string, exchange string, address string, blockchain string, starttime time.Time, endtime time.Time) (*Points, error) {
exchangeQuery := "AND exchange='" + exchange + "' "
q := fmt.Sprintf("SELECT time,address,blockchain,exchange,filter,symbol,value FROM %s"+
" WHERE filter='%s' %s AND address='%s' and blockchain='%s' AND time>%d and time<=%d ORDER BY DESC",
influxDbFiltersTable, filter, exchangeQuery, address, blockchain, starttime.UnixNano(), endtime.UnixNano())
res, err := queryInfluxDB(datastore.influxClient, q)
if err != nil {
log.Errorln("GetFilterPoints", err)
}
log.Info("GetFilterPoints query: ", q, " returned ", len(res))
return &Points{
DataPoints: res,
}, err
}
// GetFilterPoints returns filter points from either a specific exchange or all exchanges.
// symbol is mapped to the underlying asset with biggest market cap.
func (datastore *DB) GetFilterPoints(filter string, exchange string, symbol string, scale string, starttime time.Time, endtime time.Time) (*Points, error) {
relDB, err := NewRelDataStore()
if err != nil {
log.Errorln("NewDataStore:", err)
}
// First get asset with @symbol with largest volume.
// topAsset, err := db.GetTopAssetByVolume(symbol, relDB)
sortedAssets, err := relDB.GetTopAssetByVolume(symbol)
if err != nil {
log.Error(err)
return &Points{}, err
}
if len(sortedAssets) == 0 {
return nil, errors.New("no traded assets found")
}
topAsset := sortedAssets[0]
exchangeQuery := "and exchange='" + exchange + "' "
table := ""
// 5m 30m 1h 4h 1d 1w
if scale != "" {
if filter == "VOL120" {
table = "a_year.filters_sum_"
} else {
table = "a_year.filters_mean_"
}
table = table + scale
} else {
table = influxDbFiltersTable
}
q := fmt.Sprintf("SELECT time,exchange,filter,symbol,value FROM %s"+
" WHERE filter='%s' %sand address='%s' and blockchain='%s' and time>%d and time<%d ORDER BY DESC",
table, filter, exchangeQuery, topAsset.Address, topAsset.Blockchain, starttime.UnixNano(), endtime.UnixNano())
res, err := queryInfluxDB(datastore.influxClient, q)
if err != nil {
log.Errorln("GetFilterPoints", err)
}
log.Info("GetFilterPoints query: ", q, " returned ", len(res))
return &Points{
DataPoints: res,
}, err
}
func (datastore *DB) GetFilter(filter string, topAsset dia.Asset, scale string, starttime time.Time, endtime time.Time) ([]dia.FilterPoint, error) {
var allFilters []dia.FilterPoint
table := ""
// 5m 30m 1h 4h 1d 1w
if scale != "" {
if filter == "VOL120" {
table = "a_year.filters_sum_"
} else {
table = "a_year.filters_mean_"
}
table = table + scale
} else {
table = influxDbFiltersTable
}
q := fmt.Sprintf("SELECT last(*) FROM %s"+
" WHERE filter='%s' and address='%s' and blockchain='%s' and time>%d and time<%d and allExchanges=true group by time(1d) fill(previous) ORDER BY DESC",
table, filter, topAsset.Address, topAsset.Blockchain, starttime.UnixNano(), endtime.UnixNano())
res, err := queryInfluxDB(datastore.influxClient, q)
if err != nil {
log.Errorln("GetFilterPoints", err)
}
log.Info("GetFilterPoints query: ", q, " returned ", len(res))
if len(res) > 0 && len(res[0].Series) > 0 {
for i := 0; i < len(res[0].Series[0].Values); i++ {
var filterpoint dia.FilterPoint
filterpoint.Time, err = time.Parse(time.RFC3339, res[0].Series[0].Values[i][0].(string))
if err != nil {
return allFilters, err
}
// if res[0].Series[0].Values[i][1] != nil {
// filterpoint.Exchange = res[0].Series[0].Values[i][1].(string)
// }
// if res[0].Series[0].Values[i][2] != nil {
// filterpoint.Name = res[0].Series[0].Values[i][2].(string)
// }
// if res[0].Series[0].Values[i][3] != nil {
// filterpoint.Asset.Symbol = res[0].Series[0].Values[i][3].(string)
// }
if res[0].Series[0].Values[i][2] != nil {
filterpoint.Value, err = res[0].Series[0].Values[i][2].(json.Number).Float64()
} else {
log.Errorln("res[0].Series[0].Values[i][2]", res[0].Series[0].Values[i][2])
}
if err != nil {
return allFilters, err
}
allFilters = append(allFilters, filterpoint)
}
} else {
return allFilters, errors.New("no filter points in time range")
}
return allFilters, err
}