/
msg_server.go
42 lines (34 loc) · 1.02 KB
/
msg_server.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/cosmos/cosmos-sdk/x/nft"
)
var _ nft.MsgServer = Keeper{}
// Send implement Send method of the types.MsgServer.
func (k Keeper) Send(goCtx context.Context, msg *nft.MsgSend) (*nft.MsgSendResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
sender, err := sdk.AccAddressFromBech32(msg.Sender)
if err != nil {
return nil, err
}
owner := k.GetOwner(ctx, msg.ClassId, msg.Id)
if !owner.Equals(sender) {
return nil, sdkerrors.Wrapf(sdkerrors.ErrUnauthorized, "%s is not the owner of nft %s", sender, msg.Id)
}
receiver, err := sdk.AccAddressFromBech32(msg.Receiver)
if err != nil {
return nil, err
}
if err := k.Transfer(ctx, msg.ClassId, msg.Id, receiver); err != nil {
return nil, err
}
ctx.EventManager().EmitTypedEvent(&nft.EventSend{
ClassId: msg.ClassId,
Id: msg.Id,
Sender: msg.Sender,
Receiver: msg.Receiver,
})
return &nft.MsgSendResponse{}, nil
}