0g-chain/x/hard/legacy/v0_16/migrate.go

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package v0_16
import (
sdkmath "cosmossdk.io/math"
sdk "github.com/cosmos/cosmos-sdk/types"
v015hard "github.com/kava-labs/kava/x/hard/legacy/v0_15"
v016hard "github.com/kava-labs/kava/x/hard/types"
)
// Denom generated via: echo -n transfer/channel-0/uatom | shasum -a 256 | awk '{printf "ibc/%s",toupper($1)}'
const UATOM_IBC_DENOM = "ibc/27394FB092D2ECCD56123C74F36E4C1F926001CEADA9CA97EA622B25F41E5EB2"
func migrateParams(params v015hard.Params) v016hard.Params {
var moneyMarkets []v016hard.MoneyMarket
for _, mm := range params.MoneyMarkets {
moneyMarket := v016hard.MoneyMarket{
Denom: mm.Denom,
BorrowLimit: v016hard.BorrowLimit{
HasMaxLimit: mm.BorrowLimit.HasMaxLimit,
MaximumLimit: mm.BorrowLimit.MaximumLimit,
LoanToValue: mm.BorrowLimit.LoanToValue,
},
SpotMarketID: mm.SpotMarketID,
ConversionFactor: mm.ConversionFactor,
InterestRateModel: v016hard.InterestRateModel{
BaseRateAPY: mm.InterestRateModel.BaseRateAPY,
BaseMultiplier: mm.InterestRateModel.BaseMultiplier,
Kink: mm.InterestRateModel.Kink,
JumpMultiplier: mm.InterestRateModel.JumpMultiplier,
},
ReserveFactor: mm.ReserveFactor,
KeeperRewardPercentage: mm.KeeperRewardPercentage,
}
moneyMarkets = append(moneyMarkets, moneyMarket)
}
atomMoneyMarket := v016hard.MoneyMarket{
Denom: UATOM_IBC_DENOM,
BorrowLimit: v016hard.BorrowLimit{
HasMaxLimit: true,
MaximumLimit: sdk.NewDec(25000000000),
LoanToValue: sdk.MustNewDecFromStr("0.5"),
},
SpotMarketID: "atom:usd:30",
ConversionFactor: sdkmath.NewInt(1000000),
InterestRateModel: v016hard.InterestRateModel{
BaseRateAPY: sdk.ZeroDec(),
BaseMultiplier: sdk.MustNewDecFromStr("0.05"),
Kink: sdk.MustNewDecFromStr("0.8"),
JumpMultiplier: sdk.NewDec(5),
},
ReserveFactor: sdk.MustNewDecFromStr("0.025"),
KeeperRewardPercentage: sdk.MustNewDecFromStr("0.02"),
}
moneyMarkets = append(moneyMarkets, atomMoneyMarket)
return v016hard.Params{
MoneyMarkets: moneyMarkets,
MinimumBorrowUSDValue: params.MinimumBorrowUSDValue,
}
}
func migrateDeposits(oldDeposits v015hard.Deposits) v016hard.Deposits {
deposits := make(v016hard.Deposits, len(oldDeposits))
for i, deposit := range oldDeposits {
interestFactors := make(v016hard.SupplyInterestFactors, len(deposit.Index))
for j, interestFactor := range deposit.Index {
interestFactors[j] = v016hard.SupplyInterestFactor{
Denom: interestFactor.Denom,
Value: interestFactor.Value,
}
}
deposits[i] = v016hard.Deposit{
Depositor: deposit.Depositor,
Amount: deposit.Amount,
Index: interestFactors,
}
}
return deposits
}
func migratePrevAccTimes(oldPrevAccTimes v015hard.GenesisAccumulationTimes) v016hard.GenesisAccumulationTimes {
prevAccTimes := make(v016hard.GenesisAccumulationTimes, len(oldPrevAccTimes))
for i, prevAccTime := range oldPrevAccTimes {
prevAccTimes[i] = v016hard.GenesisAccumulationTime{
CollateralType: prevAccTime.CollateralType,
PreviousAccumulationTime: prevAccTime.PreviousAccumulationTime,
SupplyInterestFactor: prevAccTime.SupplyInterestFactor,
BorrowInterestFactor: prevAccTime.BorrowInterestFactor,
}
}
return prevAccTimes
}
func migrateBorrows(oldBorrows v015hard.Borrows) v016hard.Borrows {
borrows := make(v016hard.Borrows, len(oldBorrows))
for i, borrow := range oldBorrows {
interestFactors := make(v016hard.BorrowInterestFactors, len(borrow.Index))
for j, interestFactor := range borrow.Index {
interestFactors[j] = v016hard.BorrowInterestFactor{
Denom: interestFactor.Denom,
Value: interestFactor.Value,
}
}
borrows[i] = v016hard.Borrow{
Borrower: borrow.Borrower,
Amount: borrow.Amount,
Index: interestFactors,
}
}
return borrows
}
// Migrate converts v0.15 hard state and returns it in v0.16 format
func Migrate(oldState v015hard.GenesisState) *v016hard.GenesisState {
return &v016hard.GenesisState{
Params: migrateParams(oldState.Params),
PreviousAccumulationTimes: migratePrevAccTimes(oldState.PreviousAccumulationTimes),
Deposits: migrateDeposits(oldState.Deposits),
Borrows: migrateBorrows(oldState.Borrows),
TotalSupplied: oldState.TotalSupplied,
TotalBorrowed: oldState.TotalBorrowed,
TotalReserves: oldState.TotalReserves,
}
}