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open.go
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open.go
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package keeper
import (
errorsmod "cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
assetprofiletypes "github.com/elys-network/elys/x/assetprofile/types"
ptypes "github.com/elys-network/elys/x/parameter/types"
"github.com/elys-network/elys/x/perpetual/types"
)
func (k Keeper) Open(ctx sdk.Context, msg *types.MsgOpen, isBroker bool) (*types.MsgOpenResponse, error) {
entry, found := k.assetProfileKeeper.GetEntry(ctx, ptypes.BaseCurrency)
if !found {
return nil, errorsmod.Wrapf(assetprofiletypes.ErrAssetProfileNotFound, "asset %s not found", ptypes.BaseCurrency)
}
baseCurrency := entry.Denom
// Determine the type of position (long or short) and validate assets accordingly.
switch msg.Position {
case types.Position_LONG:
if err := types.CheckLongAssets(msg.Collateral.Denom, msg.TradingAsset, baseCurrency); err != nil {
return nil, err
}
case types.Position_SHORT:
if err := types.CheckShortAssets(msg.Collateral.Denom, msg.TradingAsset, baseCurrency); err != nil {
return nil, err
}
default:
return nil, errorsmod.Wrap(types.ErrInvalidPosition, msg.Position.String())
}
if err := k.OpenChecker.CheckUserAuthorization(ctx, msg); err != nil {
return nil, err
}
// check if existing mtp to consolidate
existingMtp := k.OpenChecker.CheckSameAssetPosition(ctx, msg)
if err := k.OpenChecker.CheckMaxOpenPositions(ctx); err != nil {
return nil, err
}
// Get pool id, amm pool, and perpetual pool
poolId, ammPool, pool, err := k.OpenChecker.PreparePools(ctx, msg.Collateral.Denom, msg.TradingAsset)
if err != nil {
return nil, err
}
if err := k.OpenChecker.CheckPoolHealth(ctx, poolId); err != nil {
return nil, err
}
var mtp *types.MTP
switch msg.Position {
case types.Position_LONG:
mtp, err = k.OpenChecker.OpenLong(ctx, poolId, msg, baseCurrency, isBroker)
if err != nil {
return nil, err
}
case types.Position_SHORT:
mtp, err = k.OpenChecker.OpenShort(ctx, poolId, msg, baseCurrency, isBroker)
if err != nil {
return nil, err
}
default:
return nil, errorsmod.Wrap(types.ErrInvalidPosition, msg.Position.String())
}
if existingMtp != nil {
return k.OpenConsolidate(ctx, existingMtp, mtp, msg, baseCurrency)
}
// calc and update open price
k.OpenChecker.UpdateOpenPrice(ctx, mtp, ammPool, baseCurrency)
k.OpenChecker.EmitOpenEvent(ctx, mtp)
if k.hooks != nil {
k.hooks.AfterPerpetualPositionOpen(ctx, ammPool, pool)
}
return &types.MsgOpenResponse{
Id: mtp.Id,
}, nil
}