Method modify_margin_helper

python/ccxt/hyperliquid.py:3670–3707

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

        return self.modify_margin_helper(symbol, amount, 'reduce', params)

    def modify_margin_helper(self, symbol: str, amount, type, params={}) -> MarginModification:
        self.load_markets()
        market = self.market(symbol)
        asset = self.parse_to_int(market['baseId'])
        sz = self.parse_to_int(Precise.string_mul(self.amount_to_precision(symbol, amount), '1000000'))
        if type == 'reduce':
            sz = -sz
        nonce = self.milliseconds()
        updateAction = {
            'type': 'updateIsolatedMargin',
            'asset': asset,
            'isBuy': True,
            'ntli': sz,
        }
        vaultAddress = None
        vaultAddress, params = self.handle_option_and_params_2(params, 'modifyMargin', 'vaultAddress', 'subAccountAddress')
        vaultAddress = self.format_vault_address(vaultAddress)
        signature = self.sign_l1_action(updateAction, nonce, vaultAddress)
        request = {
            'action': updateAction,
            'nonce': nonce,
            'signature': signature,
            # 'vaultAddress': vaultAddress,
        }
        if vaultAddress is not None:
            request['vaultAddress'] = vaultAddress
        response = self.privatePostExchange(request)
        #
        #     {
        #         'response': {
        #             'type': 'default'
        #         },
        #         'status': 'ok'
        #     }
        #
        return self.extend(self.parse_margin_modification(response, market), {
            'code': self.safe_string(response, 'status'),
        })

    def parse_margin_modification(self, data: dict, market: Market = None) -> MarginModification:
        #