0g-chain/x/incentive/keeper/querier.go
Draco 614d4e40fe
Update cosmos-sdk to v0.47.7 (#1811)
* Update cometbft, cosmos, ethermint, and ibc-go

* Replace github.com/tendermint/tendermint by github.com/cometbft/cometbft

* Replace github.com/tendermint/tm-db by github.com/cometbft/cometbft-db

* Replace gogo/protobuf with cosmos/gogoproto & simapp replacement

* Replace cosmos-sdk/simapp/helpers with cosmos-sdk/testutil/sims

* Remove no longer used simulations

* Replace ibchost with ibcexported
See https://github.com/cosmos/ibc-go/blob/v7.2.2/docs/migrations/v6-to-v7.md#ibc-module-constants

* Add new consensus params keeper

* Add consensus keeper to blockers

* Fix keeper and module issues in app.go

* Add IsSendEnabledCoins and update SetParams interface changes

* Fix protobuf build for cosmos 47 (#1800)

* fix cp errors by using -f; fix lint by only linting our proto dir;
and use proofs.proto directly from ics23 for ibc-go v7

* run proto-all; commit updated third party deps and swagger changes

* regenerate proto files

* use correct gocosmos build plugin for buf

* re-gen all protobuf files to update paths for new gocosmos plugin

* update protoc and buf to latest versions

* fix staking keeper issues in app.go

* update tally handler for gov changes

* chain id fix and flag fixes

* update deps for cometbft 47.7 upgrade

* remove all module legacy queriers

* update stakingKeeper to pointer

* Replace ModuleCdc from govv1beta1 to govcodec

* remove simulations

* abci.LastCommitInfo → abci.CommitInfo

* Remove unused code in keys.go

* simapp.MakeTestEncodingConfig -> moduletestutil.MakeTestEncodingConfi

* Fix chain id issues in tests

* Fix remaining unit test issues

* Update changelog for upgrade

* Fix e2e tests using updated kvtool

* Update protonet to v47 compatible genesis

* Bump cometbft-db to v0.9.1-kava.1

* Update kvtool

* Remove extra changelog

* Fix merged rocksdb issues

* go mod cleanup

* Bump cometbft-db to v9 and go to 1.21

* Bump rocksdb version to v8.10.0

* Update kvtool to latest version

* Update gin to v1.9.0

* Use ibctm.ModuleName in app_test

* Fallback to genesis chain id instead of client toml

* Remove all simulations

* Fix cdp migrations issue with v47

* Update dependencies to correct tags

---------

Co-authored-by: Nick DeLuca <nickdeluca08@gmail.com>
2024-02-06 17:54:10 -05:00

145 lines
4.5 KiB
Go

package keeper
import (
"fmt"
sdkmath "cosmossdk.io/math"
sdk "github.com/cosmos/cosmos-sdk/types"
earntypes "github.com/kava-labs/kava/x/earn/types"
"github.com/kava-labs/kava/x/incentive/types"
liquidtypes "github.com/kava-labs/kava/x/liquid/types"
)
const (
SecondsPerYear = 31536000
)
// GetStakingAPR returns the total APR for staking and incentive rewards
func GetStakingAPR(ctx sdk.Context, k Keeper, params types.Params) (sdk.Dec, error) {
// Get staking APR + incentive APR
inflationRate := k.mintKeeper.GetMinter(ctx).Inflation
communityTax := k.distrKeeper.GetCommunityTax(ctx)
bondedTokens := k.stakingKeeper.TotalBondedTokens(ctx)
circulatingSupply := k.bankKeeper.GetSupply(ctx, types.BondDenom)
// Staking APR = (Inflation Rate * (1 - Community Tax)) / (Bonded Tokens / Circulating Supply)
stakingAPR := inflationRate.
Mul(sdk.OneDec().Sub(communityTax)).
Quo(sdk.NewDecFromInt(bondedTokens).
Quo(sdk.NewDecFromInt(circulatingSupply.Amount)))
// Get incentive APR
bkavaRewardPeriod, found := params.EarnRewardPeriods.GetMultiRewardPeriod(liquidtypes.DefaultDerivativeDenom)
if !found {
// No incentive rewards for bkava, only staking rewards
return stakingAPR, nil
}
// Total amount of bkava in earn vaults, this may be lower than total bank
// supply of bkava as some bkava may not be deposited in earn vaults
totalEarnBkavaDeposited := sdk.ZeroInt()
var iterErr error
k.earnKeeper.IterateVaultRecords(ctx, func(record earntypes.VaultRecord) (stop bool) {
if !k.liquidKeeper.IsDerivativeDenom(ctx, record.TotalShares.Denom) {
return false
}
vaultValue, err := k.earnKeeper.GetVaultTotalValue(ctx, record.TotalShares.Denom)
if err != nil {
iterErr = err
return false
}
totalEarnBkavaDeposited = totalEarnBkavaDeposited.Add(vaultValue.Amount)
return false
})
if iterErr != nil {
return sdk.ZeroDec(), iterErr
}
// Incentive APR = rewards per second * seconds per year / total supplied to earn vaults
// Override collateral type to use "kava" instead of "bkava" when fetching
incentiveAPY, err := GetAPYFromMultiRewardPeriod(ctx, k, types.BondDenom, bkavaRewardPeriod, totalEarnBkavaDeposited)
if err != nil {
return sdk.ZeroDec(), err
}
totalAPY := stakingAPR.Add(incentiveAPY)
return totalAPY, nil
}
// GetAPYFromMultiRewardPeriod calculates the APY for a given MultiRewardPeriod
func GetAPYFromMultiRewardPeriod(
ctx sdk.Context,
k Keeper,
collateralType string,
rewardPeriod types.MultiRewardPeriod,
totalSupply sdkmath.Int,
) (sdk.Dec, error) {
if totalSupply.IsZero() {
return sdk.ZeroDec(), nil
}
// Get USD value of collateral type
collateralUSDValue, err := k.pricefeedKeeper.GetCurrentPrice(ctx, getMarketID(collateralType))
if err != nil {
return sdk.ZeroDec(), fmt.Errorf(
"failed to get price for incentive collateralType %s with market ID %s: %w",
collateralType, getMarketID(collateralType), err,
)
}
// Total USD value of the collateral type total supply
totalSupplyUSDValue := sdk.NewDecFromInt(totalSupply).Mul(collateralUSDValue.Price)
totalUSDRewardsPerSecond := sdk.ZeroDec()
// In many cases, RewardsPerSecond are assets that are different from the
// CollateralType, so we need to use the USD value of CollateralType and
// RewardsPerSecond to determine the APY.
for _, reward := range rewardPeriod.RewardsPerSecond {
// Get USD value of 1 unit of reward asset type, using TWAP
rewardDenomUSDValue, err := k.pricefeedKeeper.GetCurrentPrice(ctx, getMarketID(reward.Denom))
if err != nil {
return sdk.ZeroDec(), fmt.Errorf("failed to get price for RewardsPerSecond asset %s: %w", reward.Denom, err)
}
rewardPerSecond := sdk.NewDecFromInt(reward.Amount).Mul(rewardDenomUSDValue.Price)
totalUSDRewardsPerSecond = totalUSDRewardsPerSecond.Add(rewardPerSecond)
}
// APY = USD rewards per second * seconds per year / USD total supplied
apy := totalUSDRewardsPerSecond.
MulInt64(SecondsPerYear).
Quo(totalSupplyUSDValue)
return apy, nil
}
func getMarketID(denom string) string {
// Rewrite denoms as pricefeed has different names for some assets,
// e.g. "ukava" -> "kava", "erc20/multichain/usdc" -> "usdc"
// bkava is not included as it is handled separately
// TODO: Replace hardcoded conversion with possible params set somewhere
// to be more flexible. E.g. a map of denoms to pricefeed market denoms in
// pricefeed params.
switch denom {
case types.BondDenom:
denom = "kava"
case "erc20/multichain/usdc":
denom = "usdc"
case "erc20/multichain/usdt":
denom = "usdt"
case "erc20/multichain/dai":
denom = "dai"
}
return fmt.Sprintf("%s:usd:30", denom)
}