Как купить токены GNT с помощью myetherwallet

это мой первый раз, когда я покупаю токены Ethereum в основной сети. Возможно, я делаю что-то не так, поэтому я готов услышать любые комментарии или намеки на этот процесс. Мой адрес Эфириума в основной сети: https://etherscan.io/address/0x919ae3010329decba980259d1e624be6028d16c7 .

Через https://www.myetherwallet.com/#contracts я попытался вызвать контракт TokenSeller https://github.com/bokkypoobah/TokenTrader/wiki/TokenSeller-And-TokenSellerFactory , как описано на https://cryptoderivatives.market/token . /ГНТ

Я просто заинтересован в покупке нескольких токенов Golem Network (GNT), потратив в основном 0,1 эфира только для тестирования. Поэтому я выполнил метод createSaleContract() по адресу contractAddress 0xb1eb96f752c624dc784d80961a1accfaf348c923 и ABI:

[{"constant":false,"inputs":[{"name":"tokenAddress","type":"address"},{"name":"tokens","type":"uint256"}],"name":"ownerWithdrawERC20Token","outputs":[{"name":"ok","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"tradeContract","type":"address"}],"name":"verify","outputs":[{"name":"valid","type":"bool"},{"name":"owner","type":"address"},{"name":"asset","type":"address"},{"name":"sellPrice","type":"uint256"},{"name":"units","type":"uint256"},{"name":"sellsTokens","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"asset","type":"address"},{"name":"sellPrice","type":"uint256"},{"name":"units","type":"uint256"},{"name":"sellsTokens","type":"bool"}],"name":"createSaleContract","outputs":[{"name":"seller","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"type":"function"},{"payable":false,"type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"ownerAddress","type":"address"},{"indexed":true,"name":"tokenSellerAddress","type":"address"},{"indexed":true,"name":"asset","type":"address"},{"indexed":false,"name":"sellPrice","type":"uint256"},{"indexed":false,"name":"units","type":"uint256"},{"indexed":false,"name":"sellsTokens","type":"bool"}],"name":"TradeListing","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"tokenAddress","type":"address"},{"indexed":false,"name":"tokens","type":"uint256"}],"name":"OwnerWithdrewERC20Token","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"}],"name":"OwnershipTransferred","type":"event"}]

параметры вызова:

asset Golem => 0xa74476443119a942de498590fe1f2454d7d4ac0d
sellPrice .1
units 40 => rate .0025
sellsTokens true

результирующая транзакция:

Тех:

amount 0
gas limit 29091

необработанный TX:

{"nonce":"0x00","gasPrice":"0x098bca5a00","gasLimit":"0x71a3","to":"0xb1eb96f752c624dc784d80961a1accfaf348c923","value":"0x00","data":"0xc5e412e5000000000000000000000000a74476443119a942de498590fe1f2454d7d4ac0d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000280000000000000000000000000000000000000000000000000000000000000001","chainId":1}

Транзакция отправлена: https://etherscan.io/tx/0x6f739b16584e8e9d24ee34c79efbd60463da8cb6c3f05fdca74c6e400d5b0867

Но получил эту ошибку:

     Warning! Error encountered during contract execution [Bad jump destination]

Любые идеи? Спасибо!