Method transfer

js/src/cex.js:1569–1583

* @method * @name cex#transfer * @description transfer currency internally between wallets on the same account * @see https://trade.cex.io/docs/#rest-private-api-calls-internal-transfer * @param {string} code unified currency code * @param {float} amount amount to transfer

(code, amount, fromAccount, toAccount, params = {})

     * @returns {object} a [transfer structure]{@link https://docs.ccxt.com/?id=transfer-structure}
     */
    async transfer(code, amount, fromAccount, toAccount, params = {}) {
        let transfer = undefined;
        if (toAccount !== '' && fromAccount !== '') {
            transfer = await this.transferBetweenSubAccounts(code, amount, fromAccount, toAccount, params);
        }
        else {
            transfer = await this.transferBetweenMainAndSubAccount(code, amount, fromAccount, toAccount, params);
        }
        const fillResponseFromRequest = this.handleOption('transfer', 'fillResponseFromRequest', true);
        if (fillResponseFromRequest) {
            transfer['fromAccount'] = fromAccount;
            transfer['toAccount'] = toAccount;
        }
        return transfer;
    }
    async transferBetweenMainAndSubAccount(code, amount, fromAccount, toAccount, params = {}) {
        await this.loadMarkets();
        const currency = this.currency(code);