code.vegaprotocol.io/vega@v0.79.0/core/execution/spot/liquidity_provision.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 spot
    17  
    18  import (
    19  	"context"
    20  	"errors"
    21  
    22  	"code.vegaprotocol.io/vega/core/types"
    23  )
    24  
    25  var ErrCommitmentAmountTooLow = errors.New("commitment amount is too low")
    26  
    27  // SubmitLiquidityProvision forwards a LiquidityProvisionSubmission to the Liquidity Engine.
    28  func (m *Market) SubmitLiquidityProvision(ctx context.Context, sub *types.LiquidityProvisionSubmission, party, deterministicID string) error {
    29  	if err := m.liquidity.SubmitLiquidityProvision(ctx, sub, party, deterministicID, m.mkt.State); err != nil {
    30  		return err
    31  	}
    32  
    33  	// add the party to the list of all parties involved with
    34  	// this market
    35  	m.addParty(party)
    36  	return nil
    37  }
    38  
    39  // AmendLiquidityProvision forwards a LiquidityProvisionAmendment to the Liquidity Engine.
    40  func (m *Market) AmendLiquidityProvision(ctx context.Context, lpa *types.LiquidityProvisionAmendment, party string, deterministicID string) error {
    41  	return m.liquidity.AmendLiquidityProvision(ctx, lpa, party, deterministicID, m.mkt.State)
    42  }
    43  
    44  // CancelLiquidityProvision forwards a LiquidityProvisionCancel to the Liquidity Engine.
    45  func (m *Market) CancelLiquidityProvision(ctx context.Context, cancel *types.LiquidityProvisionCancellation, party string) error {
    46  	err := m.liquidity.CancelLiquidityProvision(ctx, party)
    47  	m.updateLiquidityFee(ctx)
    48  	// and remove the party from the equity share like calculation
    49  	m.equityShares.SetPartyStake(party, nil)
    50  	// force update of shares so they are updated for all
    51  	// _ = m.equityShares.SharesExcept(m.liquidity.GetInactiveParties())
    52  
    53  	return err
    54  }