Check if `new(big.Int)` will be efficient later and replace
all `big.NewInt()` in code or leave it as it is.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
Some transfers from container owners into bank account may
fail due to lack of assets, so we have to deal with remaining
amount of assets in banking account.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
Basic settlement context is a main structure that
implement logic of basic settlement phases: collecting
assets from container owners and then distributing them
to storage nodes.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
