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fix block reward math

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This commit is contained in:
whyrusleeping 2019-09-23 21:15:07 -07:00
parent 47d12417b3
commit 2f35a23f0f
1 changed files with 8 additions and 3 deletions
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11
chain/vm/vm.go
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@ -637,15 +637,20 @@ func DepositFunds(act *types.Actor, amt types.BigInt) {
func MiningRewardForBlock(height uint64) types.BigInt {
//decay := e^(ln(0.5) / (HalvingPeriodBlocks / AdjustmentPeriod)
decay := 0.9977869135615522
decay := 0.9977808404048861
totalMiningReward := types.FromFil(build.MiningRewardTotal)
dval := big.NewFloat(math.Pow(decay, float64(uint64(height/build.AdjustmentPeriod))))
iv := big.NewFloat(0).Mul(big.NewFloat(0).SetInt(totalMiningReward.Int), big.NewFloat(1-decay))
iv := big.NewFloat(0).Mul(
big.NewFloat(0).SetInt(totalMiningReward.Int),
big.NewFloat(1-decay),
)
reward, _ := iv.Mul(iv, dval).Int(nil)
//return (InitialReward * Math.pow(decay, Math.floor(height / adjustmentPeriod))) / adjustmentPeriod
reward, _ := big.NewFloat(0).Quo(iv.Mul(iv, dval), big.NewFloat(build.AdjustmentPeriod)).Int(nil)
return types.BigInt{reward}
}