[{"constant":false,"inputs":[{"name":"srcToken","type":"address"},{"name":"srcAmount","type":"uint256"},{"name":"destToken","type":"address"},{"name":"destAddress","type":"address"},{"name":"conversionRate","type":"uint256"},{"name":"validate","type":"bool"}],"name":"trade","outputs":[{"name":"","type":"bool"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[{"name":"src","type":"address"},{"name":"dest","type":"address"},{"name":"srcQty","type":"uint256"},{"name":"blockNumber","type":"uint256"}],"name":"getConversionRate","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"}]