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Explicitly parameterise FundingStream in specification

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Jack Grigg 2019-01-25 02:08:06 +00:00
parent cffde64533
commit 36d4481d7e
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1 changed files with 10 additions and 6 deletions
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zip-0207.rst
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@ -57,8 +57,10 @@ ZIPs.
The value of a funding stream at a given block height is defined as::
FundingStream.Value(height) =
floor((BlockReward(height) * FundingStream.ValueNumerator) / FundingStream.ValueDenominator)
FundingStream[FUND].Value(height) =
floor((
BlockReward(height) * FundingStream[FUND].ValueNumerator
) / FundingStream[FUND].ValueDenominator)
An active funding stream at a given block height is defined as a funding stream for which the block height is
less than its end height, but not less than its start height.
@ -68,11 +70,13 @@ halving interval, creating a roughly-monthly sequence of funding periods. The ad
block height is defined as follows (using ``HalvingInterval`` as-defined in [#protocol-constants]_)::
AddressChangeInterval = HalvingInterval / 48
FundingStream.AddressIndex(height) =
floor((height - FundingStream.StartHeight) / AddressChangeInterval)
Address(height) = FundingStream.Addresses[FundingStream.AddressIndex(height)]
FundingStream[FUND].AddressIndex(height) =
floor((
height - FundingStream[FUND].StartHeight
) / AddressChangeInterval)
Address(height) = FundingStream[FUND].Addresses[FundingStream[FUND].AddressIndex(height)]
- TODO: Fix ``FundingStream.AddressIndex`` to line funding periods up across funding streams.
- TODO: Fix ``FundingStream[FUND].AddressIndex`` to line funding periods up across funding streams.
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