0g-chain/x/pricefeed/keeper/msg_server.go
2024-08-03 15:03:23 +08:00

51 lines
1.1 KiB
Go

package keeper
import (
"context"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/0glabs/0g-chain/x/pricefeed/types"
)
type msgServer struct {
keeper Keeper
}
// NewMsgServerImpl returns an implementation of the pricefeed MsgServer interface
// for the provided Keeper.
func NewMsgServerImpl(keeper Keeper) types.MsgServer {
return &msgServer{keeper: keeper}
}
var _ types.MsgServer = msgServer{}
func (k msgServer) PostPrice(goCtx context.Context, msg *types.MsgPostPrice) (*types.MsgPostPriceResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
from, err := sdk.AccAddressFromBech32(msg.From)
if err != nil {
return nil, err
}
_, err = k.keeper.GetOracle(ctx, msg.MarketID, from)
if err != nil {
return nil, err
}
_, err = k.keeper.SetPrice(ctx, from, msg.MarketID, msg.Price, msg.Expiry)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.From),
),
)
return &types.MsgPostPriceResponse{}, nil
}