Method modify_leverage_and_margin_mode

python/ccxt/lighter.py:2858–2886

(self, leverage: int, marginMode: str, symbol: Str = None, params={})

        return self.modify_leverage_and_margin_mode(leverage, marginMode, symbol, params)

    def modify_leverage_and_margin_mode(self, leverage: int, marginMode: str, symbol: Str = None, params={}):
        self.load_markets()
        if (marginMode != 'cross') and (marginMode != 'isolated'):
            raise BadRequest(self.id + ' modifyLeverageAndMarginMode() requires a marginMode parameter that must be either cross or isolated')
        apiKeyIndex = None
        apiKeyIndex, params = self.handle_api_key_index(params, 'modifyLeverageAndMarginMode', 'apiKeyIndex', 'api_key_index')
        if symbol is None:
            raise ArgumentsRequired(self.id + ' modifyLeverageAndMarginMode() requires a symbol argument')
        accountIndex = None
        accountIndex, params = self.handle_account_index(params, 'modifyLeverageAndMarginMode', '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']),
            'initial_margin_fraction': self.parse_to_int(10000 / leverage),
            'margin_mode': 0 if (marginMode == 'cross') else 1,  # 0: CROSS, 1: ISOLATED
            'nonce': nonce,
            'api_key_index': apiKeyIndex,
            'account_index': accountIndex,
        }
        txType, txInfo = self.lighter_sign_update_leverage(signer, self.extend(signRaw, params))
        request = {
            'tx_type': txType,
            'tx_info': txInfo,
        }
        return self.publicPostSendTx(request)

    def cancel_order(self, id: str, symbol: Str = None, params={}):
        """