Method set_margin

python/ccxt/lighter.py:3024–3065

Either adds or reduces margin in an isolated position in order to set the margin to a specific value :param str symbol: unified market symbol of the market to set margin in :param float amount: the amount to set the margin to :param dict [params]: parameters specific

(self, symbol: str, amount: float, params={})

        return self.set_margin(symbol, amount, self.extend(request, params))

    def set_margin(self, symbol: str, amount: float, params={}) -> MarginModification:
        """
        Either adds or reduces margin in an isolated position in order to set the margin to a specific value
        :param str symbol: unified market symbol of the market to set margin in
        :param float amount: the amount to set the margin to
        :param dict [params]: parameters specific to the bingx api endpoint
        :param str [params.accountIndex]: account index
        :param str [params.apiKeyIndex]: api key index
        :returns dict: A `margin structure <https://docs.ccxt.com/?id=add-margin-structure>`
        """
        self.load_markets()
        apiKeyIndex = None
        apiKeyIndex, params = self.handle_api_key_index(params, 'setMargin', 'apiKeyIndex', 'api_key_index')
        direction = self.safe_integer(params, 'direction')  # 1 increase margin 0 decrease margin
        if direction is None:
            raise ArgumentsRequired(self.id + ' setMargin() requires a direction parameter either 1(increase margin) or 0(decrease margin)')
        if not self.in_array(direction, [0, 1]):
            raise ArgumentsRequired(self.id + ' setMargin() requires a direction parameter either 1(increase margin) or 0(decrease margin)')
        if symbol is None:
            raise ArgumentsRequired(self.id + ' setMargin() requires a symbol argument')
        accountIndex = None
        accountIndex, params = self.handle_account_index(params, 'setMargin', 'accountIndex', 'account_index')
        strAccountIndex = self.number_to_string(accountIndex)
        strApiKeyIndex = self.number_to_string(apiKeyIndex)
        signer = self.load_account(self.options['chainId'], self.get_lighter_private_key(strAccountIndex, strApiKeyIndex), strApiKeyIndex, strAccountIndex, params)
        market = self.market(symbol)
        nonce = self.fetch_nonce(accountIndex, apiKeyIndex, params)
        signRaw = {
            'market_index': self.parse_to_int(market['id']),
            'usdc_amount': self.parse_to_int(Precise.string_mul(self.pow('10', '6'), self.currency_to_precision('USDC', amount))),
            'direction': direction,
            'nonce': nonce,
            'api_key_index': apiKeyIndex,
            'account_index': accountIndex,
        }
        txType, txInfo = self.lighter_sign_update_margin(signer, self.extend(signRaw, params))
        request = {
            'tx_type': txType,
            'tx_info': txInfo,
        }
        response = self.publicPostSendTx(request)
        return self.parse_margin_modification(response, market)

    def parse_margin_modification(self, data: dict, market: Market = None) -> MarginModification:
        timestamp = self.safe_integer(data, 'predicted_execution_time_ms')