code.vegaprotocol.io/vega@v0.79.0/commands/update_margin_mode.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 commands
    17  
    18  import (
    19  	"fmt"
    20  
    21  	"code.vegaprotocol.io/vega/libs/num"
    22  	commandspb "code.vegaprotocol.io/vega/protos/vega/commands/v1"
    23  )
    24  
    25  func CheckUpdateMarginMode(cmd *commandspb.UpdateMarginMode) error {
    26  	return checkUpdateMarginMode(cmd).ErrorOrNil()
    27  }
    28  
    29  func checkUpdateMarginMode(cmd *commandspb.UpdateMarginMode) Errors {
    30  	errs := NewErrors()
    31  
    32  	if cmd == nil {
    33  		return errs.FinalAddForProperty("update_margin_mode", ErrIsRequired)
    34  	}
    35  
    36  	if cmd.Mode == commandspb.UpdateMarginMode_MODE_UNSPECIFIED {
    37  		errs.AddForProperty("update_margin_mode.margin_mode", ErrIsNotValid)
    38  	}
    39  
    40  	if _, ok := commandspb.UpdateMarginMode_Mode_name[int32(cmd.Mode)]; !ok {
    41  		errs.AddForProperty("update_margin_mode.margin_mode", ErrIsNotValid)
    42  	}
    43  
    44  	if cmd.Mode == commandspb.UpdateMarginMode_MODE_CROSS_MARGIN && cmd.MarginFactor != nil {
    45  		errs.AddForProperty("update_margin_mode.margin_factor", fmt.Errorf("margin factor must not be defined when margin mode is cross margin"))
    46  	}
    47  
    48  	if cmd.Mode == commandspb.UpdateMarginMode_MODE_ISOLATED_MARGIN && (cmd.MarginFactor == nil || len(*cmd.MarginFactor) == 0) {
    49  		errs.AddForProperty("update_margin_mode.margin_factor", fmt.Errorf("margin factor must be defined when margin mode is isolated margin"))
    50  	}
    51  
    52  	if cmd.Mode == commandspb.UpdateMarginMode_MODE_ISOLATED_MARGIN && cmd.MarginFactor != nil && len(*cmd.MarginFactor) > 0 {
    53  		if factor, err := num.DecimalFromString(*cmd.MarginFactor); err != nil {
    54  			errs.AddForProperty("update_margin_mode.margin_factor", ErrIsNotValidNumber)
    55  		} else if factor.LessThanOrEqual(num.DecimalZero()) {
    56  			errs.AddForProperty("update_margin_mode.margin_factor", ErrMustBePositive)
    57  		}
    58  	}
    59  	if len(cmd.MarketId) == 0 {
    60  		errs.AddForProperty("update_margin_mode.market_id", ErrIsRequired)
    61  	}
    62  
    63  	return errs
    64  }