55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
package keeper
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
|
|
errorsmod "cosmossdk.io/errors"
|
|
"cosmossdk.io/x/nft"
|
|
|
|
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
|
|
)
|
|
|
|
var _ nft.MsgServer = Keeper{}
|
|
|
|
// Send implements Send method of the types.MsgServer.
|
|
func (k Keeper) Send(ctx context.Context, msg *nft.MsgSend) (*nft.MsgSendResponse, error) {
|
|
if len(msg.ClassId) == 0 {
|
|
return nil, nft.ErrEmptyClassID
|
|
}
|
|
|
|
if len(msg.Id) == 0 {
|
|
return nil, nft.ErrEmptyNFTID
|
|
}
|
|
|
|
sender, err := k.ac.StringToBytes(msg.Sender)
|
|
if err != nil {
|
|
return nil, errorsmod.Wrapf(sdkerrors.ErrInvalidAddress, "Invalid sender address (%s)", msg.Sender)
|
|
}
|
|
|
|
receiver, err := k.ac.StringToBytes(msg.Receiver)
|
|
if err != nil {
|
|
return nil, errorsmod.Wrapf(sdkerrors.ErrInvalidAddress, "Invalid receiver address (%s)", msg.Receiver)
|
|
}
|
|
|
|
owner := k.GetOwner(ctx, msg.ClassId, msg.Id)
|
|
if !bytes.Equal(owner, sender) {
|
|
return nil, errorsmod.Wrapf(sdkerrors.ErrUnauthorized, "%s is not the owner of nft %s", msg.Sender, msg.Id)
|
|
}
|
|
|
|
if err := k.Transfer(ctx, msg.ClassId, msg.Id, receiver); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if err = k.EventService.EventManager(ctx).Emit(&nft.EventSend{
|
|
ClassId: msg.ClassId,
|
|
Id: msg.Id,
|
|
Sender: msg.Sender,
|
|
Receiver: msg.Receiver,
|
|
}); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &nft.MsgSendResponse{}, nil
|
|
}
|