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msg_server_transfer.go
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/
msg_server_transfer.go
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package keeper
import (
"context"
"strings"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/jackalLabs/canine-chain/x/rns/types"
)
func (k Keeper) TransferName(ctx sdk.Context, creator string, receiever string, name string) error {
name = strings.ToLower(name)
sender, err := sdk.AccAddressFromBech32(creator)
if err != nil {
return err
}
name, tld, err := GetNameAndTLD(name)
if err != nil {
return err
}
whois, isFound := k.GetNames(ctx, name, tld)
admin := whois.Value
blockHeight := ctx.BlockHeight()
if !isFound {
return sdkerrors.Wrap(sdkerrors.ErrNotFound, "Name does not exist or has expired.")
}
if blockHeight > whois.Expires {
return sdkerrors.Wrap(sdkerrors.ErrNotFound, "Name does not exist or has expired.")
}
if admin != sender.String() {
return sdkerrors.Wrap(sdkerrors.ErrUnauthorized, "You are not the owner of that name.")
}
if whois.Locked > blockHeight {
return sdkerrors.Wrap(sdkerrors.ErrUnauthorized, "cannot transfer free name")
}
whois.Data = "{}"
whois.Value = receiever
// Write whois information to the store
k.SetNames(ctx, whois)
return nil
}
func (k msgServer) Transfer(goCtx context.Context, msg *types.MsgTransfer) (*types.MsgTransferResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
err := k.TransferName(ctx, msg.Creator, msg.Receiver, msg.Name)
return &types.MsgTransferResponse{}, err
}