Zero-knowledge P&L Prover
USAGE:
commit <symbol> <quantity> (<price> [force] | market)
inherit <symbol> <quantity>
deliver <symbol>
snapshot
prove
verify [<proof_file>]
show market (all [save] | <symbol>)
show report [from <start>] [to (<end> | now)]
show snapshot
export snapshot
version
where <start> and <end> is in format yyyyMMddHHmm