castVote(proposalId, support): weight

$castVote(proposalId, support): weight$

• Reverts if proposal is not $Active$
• Reverts if voting $weight$ of $msg.sender$ is 0
• Reverts if $msg.sender$ already voted
• Gets votes from the previous epoch as $weight$ of $msg.sender$
• Accounts for $msg.sender$ $support$ vote
• Returns $weight$ of $msg.sender$.