Buy Gnosis tokens with geth

Question

How to participate to Gnosis pre-sale using geth javascript console?

In gnosis official blog is described how to do it using parity but there's no information on how to do it using geth.

Answer 1

start geth console

$ geth --fast console

in console :

var gnosisAuctionABI = [{"inputs":[{"type":"address","name":""}],"constant":true,"name":"bids","payable":false,"outputs":[{"type":"uint256","name":""}],"type":"function"},{"inputs":[{"type":"address","name":"receiver"}],"constant":false,"name":"bid","payable":true,"outputs":[{"type":"uint256","name":"amount"}],"type":"function"},{"inputs":[{"type":"address","name":"receiver"}],"constant":false,"name":"claimTokens","payable":false,"outputs":[],"type":"function"},{"inputs":[{"indexed":true,"type":"address","name":"sender"},{"indexed":false,"type":"uint256","name":"amount"}],"type":"event","name":"BidSubmission","anonymous":false}]

var gnosisAuction = eth.contract(gnosisAuctionABI).at("0x1d0dcc8d8bcafa8e8502beaeef6cbd49d3affcdc");

var myAccount = "{your account}".toLowerCase(); var amount = 0.1; /* ethers you want to spend */

personal.unlockAccount(myAccount); gnosisAuction.bid(myAccount, {from: myAccount, value:web3.toWei(amount), gas: 150000});