Method CreateToken

x/token/keeper/msg_server_create_token.go:13–92

(goCtx context.Context, msg *types.MsgCreateToken)

)

func (ms msgServer) CreateToken(goCtx context.Context, msg *types.MsgCreateToken) (*types.MsgCreateTokenResponse, error) {

	if err := msg.ValidateBasic(); err != nil {
		return nil, err
	}

	ctx := sdk.UnwrapSDKContext(goCtx)

	// ex) GAMETOKEN -> ugametoken
	tokenID := "u" + strings.ToLower(msg.Symbol)

	err := ms.keeper.CheckCommonError(tokenID, msg.Symbol, msg.Name, msg.TotalSupply)

	if err != nil {
		return nil, err
	}

	_, isFound := ms.keeper.GetTokenData(ctx, tokenID)

	if isFound {
		return nil, errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "index already set")
	}

	// send minted coins to receiver
	receiver, err := sdk.AccAddressFromBech32(msg.Owner)
	if err != nil {
		return nil, err
	}

	const mintSequence = 1
	const burnSequence = 0

	var tokenData = types.TokenData{
		Owner:        msg.Owner,
		TokenID:      tokenID,
		Name:         msg.Name,
		Symbol:       msg.Symbol,
		TokenURI:     msg.TokenURI,
		TotalSupply:  msg.TotalSupply,
		Decimal:      msg.Decimal,
		Mintable:     msg.Mintable,
		Burnable:     msg.Burnable,
		MintSequence: mintSequence,
		BurnSequence: burnSequence,
	}

	ms.keeper.SetTokenData(ctx, tokenData)

	// bank module
	// mint
	newCoin := sdk.NewInt64Coin(tokenID, int64(msg.TotalSupply))
	err = ms.keeper.bankKeeper.MintCoins(ctx, types.ModuleName, sdk.NewCoins(newCoin))

	if err != nil {
		return nil, err
	}

	// transfer to account