code.vegaprotocol.io/vega@v0.79.0/core/banking/cancel_transfer.go (about)

     1  // Copyright (C) 2023 Gobalsky Labs Limited
     2  //
     3  // This program is free software: you can redistribute it and/or modify
     4  // it under the terms of the GNU Affero General Public License as
     5  // published by the Free Software Foundation, either version 3 of the
     6  // License, or (at your option) any later version.
     7  //
     8  // This program is distributed in the hope that it will be useful,
     9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    11  // GNU Affero General Public License for more details.
    12  //
    13  // You should have received a copy of the GNU Affero General Public License
    14  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    15  
    16  package banking
    17  
    18  import (
    19  	"context"
    20  	"errors"
    21  	"fmt"
    22  
    23  	"code.vegaprotocol.io/vega/core/events"
    24  	"code.vegaprotocol.io/vega/core/types"
    25  )
    26  
    27  var (
    28  	ErrRecurringTransferDoesNotExists             = errors.New("recurring transfer does not exists")
    29  	ErrCannotCancelOtherPartiesRecurringTransfers = errors.New("cannot cancel other parties recurring transfers")
    30  )
    31  
    32  func (e *Engine) CancelTransferFunds(
    33  	ctx context.Context,
    34  	cancel *types.CancelTransferFunds,
    35  ) error {
    36  	// validation is simple, does the transfer
    37  	// exists
    38  	transfer, ok := e.recurringTransfersMap[cancel.TransferID]
    39  	if !ok {
    40  		return ErrRecurringTransferDoesNotExists
    41  	}
    42  
    43  	// Is the From party of the transfer
    44  	// the party which submitted the transaction?
    45  	if transfer.From != cancel.Party {
    46  		return ErrCannotCancelOtherPartiesRecurringTransfers
    47  	}
    48  
    49  	// all good, let's delete
    50  	e.deleteTransfer(cancel.TransferID)
    51  
    52  	// send an event because we are nice with the data-node
    53  	transfer.Status = types.TransferStatusCancelled
    54  	e.broker.Send(events.NewRecurringTransferFundsEventWithReason(ctx, transfer, "transfer cancelled", e.getGameID(transfer)))
    55  
    56  	return nil
    57  }
    58  
    59  func (e *Engine) CancelGovTransfer(ctx context.Context, ID string) error {
    60  	gTransfer, ok := e.recurringGovernanceTransfersMap[ID]
    61  	if !ok {
    62  		return fmt.Errorf("Governance transfer %s not found", ID)
    63  	}
    64  	e.deleteGovTransfer(ID)
    65  	gTransfer.Status = types.TransferStatusCancelled
    66  	e.broker.Send(events.NewGovTransferFundsEvent(ctx, gTransfer, gTransfer.Config.MaxAmount, e.getGovGameID(gTransfer)))
    67  	return nil
    68  }