mirror of
https://github.com/0glabs/0g-chain.git
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4eef80b47f
* remove references to savings rate * removing savings rate module account in auth migration * use compact json * fix non-determinism is cdp migration
116 lines
4.3 KiB
Go
116 lines
4.3 KiB
Go
package v0_13
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import (
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"sort"
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"time"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/auth"
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authexported "github.com/cosmos/cosmos-sdk/x/auth/exported"
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"github.com/cosmos/cosmos-sdk/x/supply"
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v0_13cdp "github.com/kava-labs/kava/x/cdp"
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v0_11cdp "github.com/kava-labs/kava/x/cdp/legacy/v0_11"
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)
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// MigrateCDP migrates from a v0.11 cdp genesis state to a v0.13 cdp genesis state
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func MigrateCDP(oldGenState v0_11cdp.GenesisState) v0_13cdp.GenesisState {
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var newCDPs v0_13cdp.CDPs
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var newDeposits v0_13cdp.Deposits
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var newCollateralParams v0_13cdp.CollateralParams
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var newGenesisAccumulationTimes v0_13cdp.GenesisAccumulationTimes
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var previousAccumulationTime time.Time
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var totalPrincipals v0_13cdp.GenesisTotalPrincipals
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newStartingID := oldGenState.StartingCdpID
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totalPrincipalMap := make(map[string]sdk.Int)
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for _, cdp := range oldGenState.CDPs {
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newCDP := v0_13cdp.NewCDPWithFees(cdp.ID, cdp.Owner, cdp.Collateral, cdp.Type, cdp.Principal, cdp.AccumulatedFees, cdp.FeesUpdated, sdk.OneDec())
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if previousAccumulationTime.Before(cdp.FeesUpdated) {
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previousAccumulationTime = cdp.FeesUpdated
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}
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_, found := totalPrincipalMap[cdp.Type]
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if !found {
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totalPrincipalMap[cdp.Type] = sdk.ZeroInt()
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}
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totalPrincipalMap[cdp.Type] = totalPrincipalMap[cdp.Type].Add(newCDP.GetTotalPrincipal().Amount)
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newCDPs = append(newCDPs, newCDP)
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}
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for _, cp := range oldGenState.Params.CollateralParams {
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newCollateralParam := v0_13cdp.NewCollateralParam(cp.Denom, cp.Type, cp.LiquidationRatio, cp.DebtLimit, cp.StabilityFee, cp.AuctionSize, cp.LiquidationPenalty, cp.Prefix, cp.SpotMarketID, cp.LiquidationMarketID, sdk.MustNewDecFromStr("0.01"), sdk.NewInt(10), cp.ConversionFactor)
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newCollateralParams = append(newCollateralParams, newCollateralParam)
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newGenesisAccumulationTime := v0_13cdp.NewGenesisAccumulationTime(cp.Type, previousAccumulationTime, sdk.OneDec())
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newGenesisAccumulationTimes = append(newGenesisAccumulationTimes, newGenesisAccumulationTime)
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}
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for _, dep := range oldGenState.Deposits {
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newDep := v0_13cdp.NewDeposit(dep.CdpID, dep.Depositor, dep.Amount)
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newDeposits = append(newDeposits, newDep)
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}
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for ctype, tp := range totalPrincipalMap {
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totalPrincipal := v0_13cdp.NewGenesisTotalPrincipal(ctype, tp)
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totalPrincipals = append(totalPrincipals, totalPrincipal)
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}
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sort.Slice(totalPrincipals, func(i, j int) bool { return totalPrincipals[i].CollateralType < totalPrincipals[j].CollateralType })
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oldDebtParam := oldGenState.Params.DebtParam
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newDebtParam := v0_13cdp.NewDebtParam(oldDebtParam.Denom, oldDebtParam.ReferenceAsset, oldDebtParam.ConversionFactor, oldDebtParam.DebtFloor)
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newGlobalDebtLimit := oldGenState.Params.GlobalDebtLimit
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newParams := v0_13cdp.NewParams(newGlobalDebtLimit, newCollateralParams, newDebtParam, oldGenState.Params.SurplusAuctionThreshold, oldGenState.Params.SurplusAuctionLot, oldGenState.Params.DebtAuctionThreshold, oldGenState.Params.DebtAuctionLot, false)
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return v0_13cdp.NewGenesisState(
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newParams,
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newCDPs,
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newDeposits,
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newStartingID,
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oldGenState.DebtDenom,
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oldGenState.GovDenom,
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newGenesisAccumulationTimes,
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totalPrincipals,
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)
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}
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// MigrateAuth migrates from a v0.11 auth genesis state to a v0.13
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func MigrateAuth(genesisState auth.GenesisState) auth.GenesisState {
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savingsRateMaccCoins := sdk.NewCoins()
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savingsMaccAddr := supply.NewModuleAddress(v0_11cdp.SavingsRateMacc)
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savingsRateMaccIndex := 0
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liquidatorMaccIndex := 0
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for idx, acc := range genesisState.Accounts {
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if acc.GetAddress().Equals(savingsMaccAddr) {
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savingsRateMaccCoins = acc.GetCoins()
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savingsRateMaccIndex = idx
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err := acc.SetCoins(acc.GetCoins().Sub(acc.GetCoins()))
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if err != nil {
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panic(err)
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}
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}
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if acc.GetAddress().Equals(supply.NewModuleAddress(v0_13cdp.LiquidatorMacc)) {
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liquidatorMaccIndex = idx
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}
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}
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liquidatorAcc := genesisState.Accounts[liquidatorMaccIndex]
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err := liquidatorAcc.SetCoins(liquidatorAcc.GetCoins().Add(savingsRateMaccCoins...))
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if err != nil {
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panic(err)
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}
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genesisState.Accounts[liquidatorMaccIndex] = liquidatorAcc
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genesisState.Accounts = removeIndex(genesisState.Accounts, savingsRateMaccIndex)
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return genesisState
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}
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func removeIndex(accs authexported.GenesisAccounts, index int) authexported.GenesisAccounts {
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ret := make(authexported.GenesisAccounts, 0)
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ret = append(ret, accs[:index]...)
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return append(ret, accs[index+1:]...)
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}
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