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fix division by zero edge case in reward calc #1876

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merged 1 commit into from Sep 28, 2020
Merged

fix division by zero edge case in reward calc #1876

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4 changes: 2 additions & 2 deletions shelley/chain-and-ledger/executable-spec/src/Shelley/Spec/Ledger/Rewards.hs
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Expand Up @@ -448,8 +448,8 @@ reward
Coin activeStake = fold . unStake $ stake
results = do
(hk, pparams) <- Map.toList poolParams
let sigma = fromIntegral pstake % fromIntegral totalStake
sigmaA = fromIntegral pstake % fromIntegral activeStake
let sigma = if totalStake == 0 then 0 else fromIntegral pstake % fromIntegral totalStake
sigmaA = if activeStake == 0 then 0 else fromIntegral pstake % fromIntegral activeStake
blocksProduced = Map.lookup hk b
actgr@(Stake s) = poolStake hk delegs stake
Coin pstake = fold s
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