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msg_server_market.go
102 lines (80 loc) · 3.23 KB
/
msg_server_market.go
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package keeper
import (
"context"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/furynet/xfury/x/market/types"
)
// AddMarket accepts ticket containing creation market and return response after processing
func (k msgServer) AddMarket(goCtx context.Context, msg *types.MsgAddMarket) (*types.MsgAddMarketResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
var addPayload types.MarketAddTicketPayload
if err := k.dvmKeeper.VerifyTicketUnmarshal(goCtx, msg.Ticket, &addPayload); err != nil {
return nil, sdkerrors.Wrapf(types.ErrInTicketVerification, "%s", err)
}
params := k.GetParams(ctx)
if err := addPayload.Validate(ctx, ¶ms); err != nil {
return nil, sdkerrors.Wrapf(types.ErrInTicketPayloadValidation, "%s", err)
}
_, found := k.Keeper.GetMarket(ctx, addPayload.UID)
if found {
return nil, types.ErrMarketAlreadyExist
}
var oddsUIDs []string
for _, odds := range addPayload.Odds {
oddsUIDs = append(oddsUIDs, odds.UID)
}
err := k.srKeeper.InitiateOrderBook(ctx, addPayload.UID, addPayload.SrContributionForHouse, oddsUIDs)
if err != nil {
return nil, sdkerrors.Wrapf(types.ErrInOrderBookInitiation, "%s", err)
}
market := types.NewMarket(
addPayload.UID,
msg.Creator,
addPayload.StartTS,
addPayload.EndTS,
addPayload.Odds,
params.NewMarketBetConstraints(addPayload.MinBetAmount, addPayload.BetFee),
addPayload.Meta,
addPayload.UID,
addPayload.SrContributionForHouse,
addPayload.Status,
)
k.Keeper.SetMarket(ctx, market)
emitTransactionEvent(ctx, types.TypeMsgCreateMarkets, market.UID, market.BookUID, msg.Creator)
return &types.MsgAddMarketResponse{
Error: "",
Data: &market,
}, nil
}
// UpdateMarket accepts ticket containing update market and return response after processing
func (k msgServer) UpdateMarket(goCtx context.Context, msg *types.MsgUpdateMarket) (*types.MsgUpdateMarketResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
var updatePayload types.MarketUpdateTicketPayload
if err := k.dvmKeeper.VerifyTicketUnmarshal(goCtx, msg.Ticket, &updatePayload); err != nil {
return nil, sdkerrors.Wrapf(types.ErrInTicketVerification, "%s", err)
}
market, found := k.Keeper.GetMarket(ctx, updatePayload.GetUID())
if !found {
return nil, types.ErrMarketNotFound
}
// if stored market is inactive it is not updatable
// active status can be changed to inactive or vice versa in the updating
if !market.IsUpdateAllowed() {
return nil, sdkerrors.Wrapf(types.ErrMarketCanNotBeAltered, "%s", market.Status)
}
params := k.GetParams(ctx)
// update market is not valid, return error
if err := updatePayload.Validate(ctx, ¶ms); err != nil {
return nil, sdkerrors.Wrapf(types.ErrInTicketPayloadValidation, "%s", err)
}
// replace current data with payload values
market.StartTS = updatePayload.StartTS
market.EndTS = updatePayload.EndTS
market.BetConstraints = params.NewMarketBetConstraints(updatePayload.MinBetAmount, updatePayload.BetFee)
market.Status = updatePayload.Status
// update market is successful, update the module state
k.Keeper.SetMarket(ctx, market)
emitTransactionEvent(ctx, types.TypeMsgUpdateMarkets, market.UID, market.BookUID, msg.Creator)
return &types.MsgUpdateMarketResponse{Data: &market}, nil
}