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Merge pull request #9 from ethereum/fix-quadratic-penalty 

fix quadratic_penalty_quotient
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Danny Ryan 2018-09-25 14:58:06 -05:00 committed by GitHub
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specs/casper_sharding_v2.1.md
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@ -374,7 +374,7 @@ Let `time_since_finality = block.slot_number - last_finalized_slot`, and let `B`
* `total_deposits = sum([v.balance for i, v in enumerate(validators) if i in get_active_validator_indices(validators, current_dynasty)])` and `total_deposits_in_ETH = total_deposits // 10**18` * `total_deposits = sum([v.balance for i, v in enumerate(validators) if i in get_active_validator_indices(validators, current_dynasty)])` and `total_deposits_in_ETH = total_deposits // 10**18`
* `reward_quotient = BASE_REWARD_QUOTIENT * int(sqrt(total_deposits_in_ETH))` (1/this is the per-slot max interest rate) * `reward_quotient = BASE_REWARD_QUOTIENT * int(sqrt(total_deposits_in_ETH))` (1/this is the per-slot max interest rate)
* `quadratic_penalty_quotient = int(sqrt(SQRT_E_DROP_TIME / SLOT_DURATION))` (after D slots, ~D<sup>2</sup>/2 divided by this is the portion lost by offline validators) * `quadratic_penalty_quotient = (SQRT_E_DROP_TIME / SLOT_DURATION)**2` (after D slots, ~D<sup>2</sup>/2 divided by this is the portion lost by offline validators)
For each slot `S` in the range `last_state_recalc - CYCLE_LENGTH ... last_state_recalc - 1`: For each slot `S` in the range `last_state_recalc - CYCLE_LENGTH ... last_state_recalc - 1`: