36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
#include "stdafx.h"
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#include "SiaCommon.h"
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#include <ttmath/ttmath.h>
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using namespace Sia::Api;
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/*
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// avgHostMetric computes the average of the metric given by `metric` on the
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// list of `hosts`.
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const avgHostMetric = (hosts, metric) = >
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hosts.reduce((sum, host) = > sum.add(host[metric]), new BigNumber(0))
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.dividedBy(hosts.size)
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// avgStorageCost returns the average storage cost from a list of hosts given a
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// period (blocks) and redundancy.
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const avgStorageCost = (hosts, period, redundancy) = >
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avgHostMetric(hosts, 'storageprice')
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.times(period)
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.plus(avgHostMetric(hosts, 'uploadbandwidthprice'))
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.times(redundancy)
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.plus(avgHostMetric(hosts, 'downloadbandwidthprice'))
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// Compute an estimated amount of storage from an amount of funds (Hastings)
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// and a list of hosts.
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export const estimatedStorage = (funds, hosts) = > {
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const validHosts = List(hosts).take(28)
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const avgStorage = avgStorageCost(validHosts, allowancePeriod, baseRedundancy)
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let fee = SiaAPI.siacoinsToHastings(baseFee)
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fee = fee.plus(avgHostMetric(validHosts, 'contractprice').times(ncontracts))
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fee = fee.plus(funds.minus(fee).times(siafundRate))
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return '~' + readableFilesize(Math.max(0, funds.minus(fee).dividedBy(avgStorage).toNumber().toPrecision(1)))
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}
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*/ |