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Use free balance rather than total balance for elections phragmen #10646
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When looking at the maximum value a user can vote in Phragmen Elections, we should use the
free_balance
rather than thetotal_balance
, else the pallet can create locks larger than the user has available balance, and will be in constant debt to the lock even when transferring more funds.This update ensures we only allow voting up to the
free_balance
of the user, after any reserves have been placed for voting in the first place.