59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
package postgres
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import (
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"context"
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"database/sql"
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"errors"
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"fmt"
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"tokenbridge-monitor/db"
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"tokenbridge-monitor/entity"
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sq "github.com/Masterminds/squirrel"
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)
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type blockTimestampsRepo basePostgresRepo
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func NewBlockTimestampsRepo(table string, db *db.DB) entity.BlockTimestampsRepo {
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return (*blockTimestampsRepo)(newBasePostgresRepo(table, db))
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}
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func (r *blockTimestampsRepo) Ensure(ctx context.Context, ts *entity.BlockTimestamp) error {
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q, args, err := sq.Insert(r.table).
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Columns("chain_id", "block_number", "timestamp").
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Values(ts.ChainID, ts.BlockNumber, ts.Timestamp).
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Suffix("ON CONFLICT (chain_id, block_number) DO UPDATE SET updated_at = NOW(), timestamp = EXCLUDED.timestamp").
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PlaceholderFormat(sq.Dollar).
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ToSql()
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if err != nil {
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return fmt.Errorf("can't build query: %w", err)
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}
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_, err = r.db.ExecContext(ctx, q, args...)
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if err != nil {
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return fmt.Errorf("can't insert block timestamp: %w", err)
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}
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return nil
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}
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func (r *blockTimestampsRepo) GetByBlockNumber(ctx context.Context, chainID string, blockNumber uint) (*entity.BlockTimestamp, error) {
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q, args, err := sq.Select("*").
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From(r.table).
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Where(sq.Eq{
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"chain_id": chainID,
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"block_number": blockNumber,
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}).
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PlaceholderFormat(sq.Dollar).
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ToSql()
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if err != nil {
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return nil, fmt.Errorf("can't build query: %w", err)
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}
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ts := new(entity.BlockTimestamp)
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err = r.db.GetContext(ctx, ts, q, args...)
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if err != nil {
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if errors.Is(err, sql.ErrNoRows) {
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return nil, db.ErrNotFound
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}
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return nil, fmt.Errorf("can't get block timestamp: %w", err)
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}
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return ts, nil
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}
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