code: func (b *backendInstance) GetTransactionByHash(ctx context.Context,
  	hash common.Hash) (*types.Transaction, bool, error) {
  	ctx2, cancel := b.addTimeout(ctx)
  	defer cancel()
  
  	tx, pending, err := b.conn.ethClient().TransactionByHash(ctx2, hash)
  	if err != nil {
  		err = fmt.Errorf("failed to get transaction by hash: %s", err)
  	}
  	return tx, pending, err
  }
docs: // TransactionByHash returns the transaction with the given hash.