The bid page should be adjusted to the Dutch auction.
Things to change:
Instead of entering a ZCHF amount, the user has to specify the amount of VOL tokens that they want to acquire. By default, this should be set to the remaining collateral amount
Below that, we should show the expected costs in ZCHF.
Clicking the ZCHF the user has in the wallet should fill in "min(wallet / price, available collateral)" into the text box, such that the expected costs match what the user has in the wallet (if there is enough collateral available)
The bid page should be adjusted to the Dutch auction.
Things to change: