/
asset_stats.go
204 lines (171 loc) · 5.8 KB
/
asset_stats.go
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package history
import (
"context"
"fmt"
"strings"
sq "github.com/Masterminds/squirrel"
"github.com/lantah/go/services/orbitr/internal/db2"
"github.com/lantah/go/support/db"
"github.com/lantah/go/support/errors"
"github.com/lantah/go/xdr"
)
func assetStatToMap(assetStat ExpAssetStat) map[string]interface{} {
return map[string]interface{}{
"asset_type": assetStat.AssetType,
"asset_code": assetStat.AssetCode,
"asset_issuer": assetStat.AssetIssuer,
"accounts": assetStat.Accounts,
"balances": assetStat.Balances,
"amount": assetStat.Amount,
"num_accounts": assetStat.NumAccounts,
"contract_id": assetStat.ContractID,
}
}
func assetStatToPrimaryKeyMap(assetStat ExpAssetStat) map[string]interface{} {
return map[string]interface{}{
"asset_type": assetStat.AssetType,
"asset_code": assetStat.AssetCode,
"asset_issuer": assetStat.AssetIssuer,
}
}
// InsertAssetStats a set of asset stats into the exp_asset_stats
func (q *Q) InsertAssetStats(ctx context.Context, assetStats []ExpAssetStat, batchSize int) error {
builder := &db.BatchInsertBuilder{
Table: q.GetTable("exp_asset_stats"),
MaxBatchSize: batchSize,
}
for _, assetStat := range assetStats {
if err := builder.Row(ctx, assetStatToMap(assetStat)); err != nil {
return errors.Wrap(err, "could not insert asset assetStat row")
}
}
if err := builder.Exec(ctx); err != nil {
return errors.Wrap(err, "could not exec asset assetStats insert builder")
}
return nil
}
// InsertAssetStat a single asset assetStat row into the exp_asset_stats
// Returns number of rows affected and error.
func (q *Q) InsertAssetStat(ctx context.Context, assetStat ExpAssetStat) (int64, error) {
sql := sq.Insert("exp_asset_stats").SetMap(assetStatToMap(assetStat))
result, err := q.Exec(ctx, sql)
if err != nil {
return 0, err
}
return result.RowsAffected()
}
// UpdateAssetStat updates a row in the exp_asset_stats table.
// Returns number of rows affected and error.
func (q *Q) UpdateAssetStat(ctx context.Context, assetStat ExpAssetStat) (int64, error) {
sql := sq.Update("exp_asset_stats").
SetMap(assetStatToMap(assetStat)).
Where(assetStatToPrimaryKeyMap(assetStat))
result, err := q.Exec(ctx, sql)
if err != nil {
return 0, err
}
return result.RowsAffected()
}
// RemoveAssetStat removes a row in the exp_asset_stats table.
func (q *Q) RemoveAssetStat(ctx context.Context, assetType xdr.AssetType, assetCode, assetIssuer string) (int64, error) {
sql := sq.Delete("exp_asset_stats").
Where(map[string]interface{}{
"asset_type": assetType,
"asset_code": assetCode,
"asset_issuer": assetIssuer,
})
result, err := q.Exec(ctx, sql)
if err != nil {
return 0, err
}
return result.RowsAffected()
}
// GetAssetStat returns a row in the exp_asset_stats table.
func (q *Q) GetAssetStat(ctx context.Context, assetType xdr.AssetType, assetCode, assetIssuer string) (ExpAssetStat, error) {
sql := selectAssetStats.Where(map[string]interface{}{
"asset_type": assetType,
"asset_code": assetCode,
"asset_issuer": assetIssuer,
})
var assetStat ExpAssetStat
err := q.Get(ctx, &assetStat, sql)
return assetStat, err
}
func (q *Q) GetAssetStatByContract(ctx context.Context, contractID [32]byte) (ExpAssetStat, error) {
sql := selectAssetStats.Where("contract_id = ?", contractID[:])
var assetStat ExpAssetStat
err := q.Get(ctx, &assetStat, sql)
return assetStat, err
}
func (q *Q) GetAssetStatByContracts(ctx context.Context, contractIDs [][32]byte) ([]ExpAssetStat, error) {
contractIDBytes := make([][]byte, len(contractIDs))
for i := range contractIDs {
contractIDBytes[i] = contractIDs[i][:]
}
sql := selectAssetStats.Where(map[string]interface{}{"contract_id": contractIDBytes})
var assetStats []ExpAssetStat
err := q.Select(ctx, &assetStats, sql)
return assetStats, err
}
func parseAssetStatsCursor(cursor string) (string, string, error) {
parts := strings.SplitN(cursor, "_", 3)
if len(parts) != 3 {
return "", "", fmt.Errorf("invalid asset stats cursor: %v", cursor)
}
code, issuer, assetType := parts[0], parts[1], parts[2]
var issuerAccount xdr.AccountId
var asset xdr.Asset
if err := issuerAccount.SetAddress(issuer); err != nil {
return "", "", errors.Wrap(
err,
fmt.Sprintf("invalid issuer in asset stats cursor: %v", cursor),
)
}
if err := asset.SetCredit(code, issuerAccount); err != nil {
return "", "", errors.Wrap(
err,
fmt.Sprintf("invalid asset stats cursor: %v", cursor),
)
}
if _, ok := xdr.StringToAssetType[assetType]; !ok {
return "", "", errors.Errorf("invalid asset type in asset stats cursor: %v", cursor)
}
return code, issuer, nil
}
// GetAssetStats returns a page of exp_asset_stats rows.
func (q *Q) GetAssetStats(ctx context.Context, assetCode, assetIssuer string, page db2.PageQuery) ([]ExpAssetStat, error) {
sql := selectAssetStats
filters := map[string]interface{}{}
if assetCode != "" {
filters["asset_code"] = assetCode
}
if assetIssuer != "" {
filters["asset_issuer"] = assetIssuer
}
if len(filters) > 0 {
sql = sql.Where(filters)
}
var cursorComparison, orderBy string
switch page.Order {
case "asc":
cursorComparison, orderBy = ">", "asc"
case "desc":
cursorComparison, orderBy = "<", "desc"
default:
return nil, fmt.Errorf("invalid page order %s", page.Order)
}
if page.Cursor != "" {
cursorCode, cursorIssuer, err := parseAssetStatsCursor(page.Cursor)
if err != nil {
return nil, err
}
sql = sql.Where("((asset_code, asset_issuer) "+cursorComparison+" (?,?))", cursorCode, cursorIssuer)
}
sql = sql.OrderBy("(asset_code, asset_issuer) " + orderBy).Limit(page.Limit)
var results []ExpAssetStat
if err := q.Select(ctx, &results, sql); err != nil {
return nil, errors.Wrap(err, "could not run select query")
}
return results, nil
}
var selectAssetStats = sq.Select("exp_asset_stats.*").From("exp_asset_stats")