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Merge pull request #185 from pegnet/develop
PIP 10 implementation
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,100 @@ | ||
| package config | ||
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| import ( | ||
| "github.com/Factom-Asset-Tokens/factom" | ||
| "github.com/pegnet/pegnetd/fat/fat2" | ||
| ) | ||
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| var ( | ||
| OPRChain = factom.NewBytes32("a642a8674f46696cc47fdb6b65f9c87b2a19c5ea8123b3d2f0c13b6f33a9d5ef") | ||
| SPRChain = factom.NewBytes32("d5e395125335a21cef0ceca528168e87fe929fdac1f156870c1b1be6502448b4") | ||
| TransactionChain = factom.NewBytes32("cffce0f409ebba4ed236d49d89c70e4bd1f1367d86402a3363366683265a242d") | ||
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| // Acivation Heights | ||
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| PegnetActivation uint32 = 206421 | ||
| GradingV2Activation uint32 = 210330 | ||
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| // TransactionConversionActivation indicates when tx/conversions go live on mainnet. | ||
| // Target Activation Height is Oct 7, 2019 15 UTC | ||
| TransactionConversionActivation uint32 = 213237 | ||
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| // This is when PEG is priced by the market cap equation | ||
| // Estimated to be Oct 14 2019, 15:00:00 UTC | ||
| PEGPricingActivation uint32 = 214287 | ||
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| // OneWaypFCTConversions makes pFCT a 1 way conversion. This means pFCT->pXXX, | ||
| // but no asset can go into pFCT. AKA pXXX -/> pFCT. | ||
| // The only way to aquire pFCT is to burn FCT. The burn command will remain. | ||
| // Estimated to be Nov 25, 2019 17:47:00 UTC | ||
| OneWaypFCTConversions uint32 = 220346 | ||
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| // Once this is activated, a maximum amount of PEG of 5,000 can be | ||
| // converted per block. At a future height, a dynamic bank should be used. | ||
| // Estimated to be Dec 9, 2019, 17:00 UTC | ||
| PegnetConversionLimitActivation uint32 = 222270 | ||
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| // This is when PEG price is determined by the exchange price | ||
| // Estimated to be Dec 9, 2019, 17:00 UTC | ||
| PEGFreeFloatingPriceActivation uint32 = 222270 | ||
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| // V4OPRUpdate indicates the activation of additional currencies and ecdsa keys. | ||
| // Estimated to be Feb 12, 2020, 18:00 UTC | ||
| V4OPRUpdate uint32 = 231620 | ||
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| // V20HeightActivation indicates the activation of PegNet 2.0. | ||
| // Estimated to be Aug 19th 2020 14:00 UTC | ||
| V20HeightActivation uint32 = 258796 | ||
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| // Activation height for developer rewards | ||
| V20DevRewardsHeightActivation uint32 = 260118 | ||
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| // SprSignatureActivation indicates the activation of SPR Signature. | ||
| // Estimated to be Aug 28th 2020 | ||
| SprSignatureActivation uint32 = 260118 | ||
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| // OneWaypAssetsConversions makes some pAssets a 1 way conversion. | ||
| // pDCR, pDGB, pDOGE, pHBAR, pONT, pRVN, pBAT, pALGO, pBIF, pETB, pKES, pNGN, pRWF, pTZS, pUGX | ||
| // These pAssets have got small marketcap, and these will be disabled for conversion. | ||
| // Estimated to be Dec 3th 2020 | ||
| OneWaySmallAssetsConversions uint32 = 274036 | ||
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| // V202EnhanceActivation indicates the activation of PegNet 2.0.2. | ||
| // Estimated to be Dec 3th 2020 | ||
| V202EnhanceActivation uint32 = 274036 | ||
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| // V204EnhanceActivation indicates the activation of PegNet 2.0.4. | ||
| // Estimated to be Mar 16th 2021 | ||
| V204EnhanceActivation uint32 = 288878 | ||
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| // V204EnhanceActivation indicates the activation that burns remaining airdrop amount. | ||
| // Estimated to be April 16th 2021 | ||
| V204BurnMintedTokenActivation uint32 = 294206 | ||
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| // PIP10AveragingActivation changes conversions to use the lesser of a rolling average and market price | ||
| // for the source of a conversion, and the higher of the rolling average and the market price for the | ||
| // target of a conversion | ||
| // | ||
| // Activation of 2.0.5 | ||
| PIP10AverageActivation uint32 = 295190 | ||
| ) | ||
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| func SetAllActivations(act uint32) { | ||
| PegnetActivation = act | ||
| GradingV2Activation = act | ||
| TransactionConversionActivation = act | ||
| PEGPricingActivation = act | ||
| OneWaypFCTConversions = act | ||
| PegnetConversionLimitActivation = act | ||
| PEGFreeFloatingPriceActivation = act | ||
| fat2.Fat2RCDEActivation = act | ||
| V4OPRUpdate = act | ||
| V20HeightActivation = act | ||
| V20DevRewardsHeightActivation = act | ||
| OneWaySmallAssetsConversions = act | ||
| SprSignatureActivation = act | ||
| V202EnhanceActivation = act | ||
| V204EnhanceActivation = act | ||
| V204BurnMintedTokenActivation = act | ||
| PIP10AverageActivation = act | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| package node | ||
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| import ( | ||
| "context" | ||
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| "github.com/pegnet/pegnetd/fat/fat2" | ||
| ) | ||
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| var AveragePeriod = uint64(288) // Our Average Period is 2 days (144 10 minute blocks per day) | ||
| var AverageRequired = AveragePeriod / 2 // If we have at least half the rates, we can do conversions | ||
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| // getPegNetRateAverages | ||
| // Gets all the rates for the AveragePeriod (the number of blocks contributing to the average), and computes | ||
| // the average rate for all assets. If values are missing for an asset for any of the blocks in the AveragePeriod, | ||
| // then don't allow conversions by setting the averate to zero for that asset | ||
| // | ||
| // Return a map of averages of the form map[fat2.PTicker]uint64 | ||
| // | ||
| // Also note that if asked twice about the same height, we cache the response. | ||
| func (d *Pegnetd) GetPegNetRateAverages(ctx context.Context, height uint32) (Avg interface{}) { | ||
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| if d.LastAveragesHeight == height { // If a cache hit is detected, return the cache value | ||
| return d.LastAverages | ||
| } | ||
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| ratesOverPeriod := d.LastAveragesData // First collect all the values over the blocks | ||
| averages := map[fat2.PTicker]uint64{} // in the average period, then compute the averages | ||
| if ratesOverPeriod == nil { // If no map exists yet | ||
| ratesOverPeriod = map[fat2.PTicker][]uint64{} // create one. | ||
| } | ||
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| defer func() { // Always set up the cache when exiting the routine | ||
| d.LastAveragesData = ratesOverPeriod // Save the data we used to create averages | ||
| d.LastAveragesHeight = height // Save the height of this data | ||
| d.LastAverages = averages // Save the averages we computed | ||
| }() | ||
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| // collectRatesAtHeight | ||
| // This routine collects all the data used to compute an average. If any data is missing, then | ||
| // that data is represented by a zero. | ||
| collectRatesAtHeight := func(h uint32) { | ||
| for k := range ratesOverPeriod { // Make sure there is room for a new height | ||
| for len(ratesOverPeriod[k]) >= int(AveragePeriod) { // If at the limit or above, | ||
| copy(ratesOverPeriod[k], ratesOverPeriod[k][1:]) // Shift data down 1 element | ||
| ratesOverPeriod[k] = ratesOverPeriod[k][:len(ratesOverPeriod[k])-1] // And drop off the last value | ||
| } | ||
| } | ||
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| if rates, err := d.Pegnet.SelectRates(ctx, h); err != nil { // Pull the rates out of the database at each | ||
| panic("no recovery from a database error getting rates") | ||
| } else { | ||
| for k, v := range rates { // For all the rates | ||
| if ratesOverPeriod[k] == nil { // if no rates yet, at a slice for them | ||
| ratesOverPeriod[k] = []uint64{} // Allocate the slice | ||
| } | ||
| ratesOverPeriod[k] = append(ratesOverPeriod[k], v) // Add the rates we find | ||
| } | ||
| } | ||
| } | ||
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| switch { | ||
| // If the LastAveragesHeight is out of range given our current height, we just need to load | ||
| // all the values | ||
| case d.LastAveragesHeight+1 < height || d.LastAveragesHeight > height: | ||
| for k, v := range ratesOverPeriod { | ||
| if v != nil { | ||
| ratesOverPeriod[k] = ratesOverPeriod[k][:0] | ||
| } | ||
| } | ||
| startHeightS := int64(height) - (int64(AveragePeriod)) + 1 // startHeight is AveragePeriod before height+1 | ||
| // (add 1 so the block at height is included) | ||
| if startHeightS < 1 { // If AveragePeriod blocks don't exist, | ||
| startHeightS = 1 // then flour the start to 1 | ||
| } | ||
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| startHeight := uint32(startHeightS) | ||
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| for h := startHeight; h <= height; h++ { // Collect rates over the blocks (including height) | ||
| collectRatesAtHeight(h) // and add them to ratesOverPeriod | ||
| } | ||
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| // If all we need is the next height, then only collect that height. | ||
| case d.LastAveragesHeight+1 == height: | ||
| collectRatesAtHeight(height) // Add the current height to the dataset so far | ||
| } | ||
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| for k, v := range ratesOverPeriod { // The average rate is zero for any asset without | ||
| averages[k] = 0 // the number of required rates | ||
| if AveragePeriod-numberMissing(v) < AverageRequired { // Count the missing values, and if not enough | ||
| continue // skip it | ||
| } | ||
| for _, v2 := range v { // Sum up all the rates found for an asset | ||
| averages[k] += v2 // The assumption is that rates are no where near | ||
| } // 64 bits, so they won't overflow | ||
| averages[k] = averages[k] / uint64(len(v)) // Divide the sum of the rates by the number of rates | ||
| } | ||
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| return averages // Return the rates we found. | ||
| } | ||
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| func numberMissing(dataset []uint64) (numZeros uint64) { | ||
| for _, v := range dataset { | ||
| if v == 0 { | ||
| numZeros++ | ||
| } | ||
| } | ||
| if len(dataset) < int(AveragePeriod) { | ||
| numZeros += AveragePeriod - uint64(len(dataset)) | ||
| } | ||
| return numZeros | ||
| } |
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