Add x/community Lend proposals (#1425)

* implement & register x/community lend proposals

* register proposals in x/community codec

* allow x/community macc to receive funds

* init lend from genesis in proposal tests

* test CommunityLendWithdrawProposal

* helpful comment on x/community keeper deps

* use RouteKey in module.go

.gitignore

@@ -10,6 +10,7 @@
 
 # Output of the go coverage tool
 *.out
+cover.html
 
 # Exclude build files
 vendor

app/app.go

@@ -508,20 +508,6 @@ func NewApp(
 
 	app.evmutilKeeper.SetEvmKeeper(app.evmKeeper)
 
-	app.communityKeeper = communitykeeper.NewKeeper(
-		app.accountKeeper,
-		app.bankKeeper,
-	)
-	app.kavadistKeeper = kavadistkeeper.NewKeeper(
-		appCodec,
-		keys[kavadisttypes.StoreKey],
-		kavadistSubspace,
-		app.bankKeeper,
-		app.accountKeeper,
-		app.communityKeeper,
-		app.loadBlockedMaccAddrs(),
-	)
-
 	app.transferKeeper = ibctransferkeeper.NewKeeper(
 		appCodec,
 		keys[ibctransfertypes.StoreKey],
@@ -620,6 +606,23 @@ func NewApp(
 		&savingsKeeper,
 		communitytypes.ModuleAccountName,
 	)
+
+	// x/community's deposit/withdraw to lend proposals depend on hard keeper.
+	app.communityKeeper = communitykeeper.NewKeeper(
+		app.accountKeeper,
+		app.bankKeeper,
+		hardKeeper,
+	)
+	app.kavadistKeeper = kavadistkeeper.NewKeeper(
+		appCodec,
+		keys[kavadisttypes.StoreKey],
+		kavadistSubspace,
+		app.bankKeeper,
+		app.accountKeeper,
+		app.communityKeeper,
+		app.loadBlockedMaccAddrs(),
+	)
+
 	app.kavamintKeeper = kavamintkeeper.NewKeeper(
 		appCodec,
 		keys[kavaminttypes.StoreKey],
@@ -694,6 +697,7 @@ func NewApp(
 		AddRoute(distrtypes.RouterKey, distr.NewCommunityPoolSpendProposalHandler(app.distrKeeper)).
 		AddRoute(kavadisttypes.RouterKey, kavadist.NewCommunityPoolMultiSpendProposalHandler(app.kavadistKeeper)).
 		AddRoute(earntypes.RouterKey, earn.NewCommunityPoolProposalHandler(app.earnKeeper)).
+		AddRoute(communitytypes.RouterKey, community.NewCommunityPoolProposalHandler(app.communityKeeper)).
 		AddRoute(committeetypes.RouterKey, committee.NewProposalHandler(app.committeeKeeper))
 	app.govKeeper = govkeeper.NewKeeper(
 		appCodec,
@@ -1046,14 +1050,22 @@ func (app *App) RegisterTendermintService(clientCtx client.Context) {
 // loadBlockedMaccAddrs returns a map indicating the blocked status of each module account address
 func (app *App) loadBlockedMaccAddrs() map[string]bool {
 	modAccAddrs := app.ModuleAccountAddrs()
-	kavadistMaccAddr := app.accountKeeper.GetModuleAddress(kavadisttypes.ModuleName)
-	earnMaccAddr := app.accountKeeper.GetModuleAddress(earntypes.ModuleName)
-	liquidMaccAddr := app.accountKeeper.GetModuleAddress(liquidtypes.ModuleName)
-	kavadistFundMaccAddr := app.accountKeeper.GetModuleAddress(kavadisttypes.FundModuleAccount)
+	allowedMaccs := map[string]bool{
+		// kavadist
+		app.accountKeeper.GetModuleAddress(kavadisttypes.ModuleName).String(): true,
+		// earn
+		app.accountKeeper.GetModuleAddress(earntypes.ModuleName).String(): true,
+		// liquid
+		app.accountKeeper.GetModuleAddress(liquidtypes.ModuleName).String(): true,
+		// kavadist fund
+		app.accountKeeper.GetModuleAddress(kavadisttypes.FundModuleAccount).String(): true,
+		// community
+		app.accountKeeper.GetModuleAddress(communitytypes.ModuleAccountName).String(): true,
+	}
 
 	for addr := range modAccAddrs {
-		// Set the kavadist and earn module account address as unblocked
-		if addr == kavadistMaccAddr.String() || addr == earnMaccAddr.String() || addr == liquidMaccAddr.String() || addr == kavadistFundMaccAddr.String() {
+		// Set allowed module accounts as unblocked
+		if allowedMaccs[addr] {
 			modAccAddrs[addr] = false
 		}
 	}

x/community/genesis_test.go

@@ -8,7 +8,6 @@ import (
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
 	"github.com/kava-labs/kava/x/community"
 	"github.com/kava-labs/kava/x/community/testutil"
-	"github.com/kava-labs/kava/x/community/types"
 )
 
 type genesisTestSuite struct {
@@ -32,12 +31,8 @@ func (suite *genesisTestSuite) TestInitGenesis() {
 		community.InitGenesis(suite.Ctx, suite.Keeper, accountKeeper)
 	})
 
-	communityPoolAddress := accountKeeper.GetModuleAddress(types.ModuleAccountName)
-	// hello, greppers!
-	suite.Equal("kava17d2wax0zhjrrecvaszuyxdf5wcu5a0p4qlx3t5", communityPoolAddress.String())
-
 	// check for module account this way b/c GetModuleAccount creates if not existing.
-	acc := accountKeeper.GetAccount(suite.Ctx, communityPoolAddress)
+	acc := accountKeeper.GetAccount(suite.Ctx, suite.MaccAddress)
 	suite.NotNil(acc)
 	_, ok := acc.(authtypes.ModuleAccountI)
 	suite.True(ok)

x/community/handler.go

@@ -0,0 +1,24 @@
+package community
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
+
+	"github.com/kava-labs/kava/x/community/keeper"
+	"github.com/kava-labs/kava/x/community/types"
+)
+
+// NewCommunityPoolProposalHandler handles x/community proposals.
+func NewCommunityPoolProposalHandler(k keeper.Keeper) govtypes.Handler {
+	return func(ctx sdk.Context, content govtypes.Content) error {
+		switch c := content.(type) {
+		case *types.CommunityPoolLendDepositProposal:
+			return keeper.HandleCommunityPoolLendDepositProposal(ctx, k, c)
+		case *types.CommunityPoolLendWithdrawProposal:
+			return keeper.HandleCommunityPoolLendWithdrawProposal(ctx, k, c)
+		default:
+			return sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unrecognized community proposal content type: %T", c)
+		}
+	}
+}

x/community/keeper/keeper.go

@@ -12,11 +12,12 @@ import (
 // Keeper of the community store
 type Keeper struct {
 	bankKeeper    types.BankKeeper
+	hardKeeper    types.HardKeeper
 	moduleAddress sdk.AccAddress
 }
 
 // NewKeeper creates a new community Keeper instance
-func NewKeeper(ak types.AccountKeeper, bk types.BankKeeper) Keeper {
+func NewKeeper(ak types.AccountKeeper, bk types.BankKeeper, hk types.HardKeeper) Keeper {
 	// ensure community module account is set
 	addr := ak.GetModuleAddress(types.ModuleAccountName)
 	if addr == nil {
@@ -25,6 +26,7 @@ func NewKeeper(ak types.AccountKeeper, bk types.BankKeeper) Keeper {
 
 	return Keeper{
 		bankKeeper:    bk,
+		hardKeeper:    hk,
 		moduleAddress: addr,
 	}
 }

x/community/keeper/proposal_handler.go

@@ -0,0 +1,17 @@
+package keeper
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+
+	"github.com/kava-labs/kava/x/community/types"
+)
+
+// HandleCommunityPoolLendDepositProposal is a handler for executing a passed community pool lend deposit proposal.
+func HandleCommunityPoolLendDepositProposal(ctx sdk.Context, k Keeper, p *types.CommunityPoolLendDepositProposal) error {
+	return k.hardKeeper.Deposit(ctx, k.moduleAddress, p.Amount)
+}
+
+// HandleCommunityPoolLendWithdrawProposal is a handler for executing a passed community pool lend withdraw proposal.
+func HandleCommunityPoolLendWithdrawProposal(ctx sdk.Context, k Keeper, p *types.CommunityPoolLendWithdrawProposal) error {
+	return k.hardKeeper.Withdraw(ctx, k.moduleAddress, p.Amount)
+}

x/community/keeper/proposal_handler_test.go

@@ -0,0 +1,312 @@
+package keeper_test
+
+import (
+	"fmt"
+	"testing"
+	"time"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/stretchr/testify/suite"
+	abcitypes "github.com/tendermint/tendermint/abci/types"
+	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
+	tmtime "github.com/tendermint/tendermint/types/time"
+
+	"github.com/kava-labs/kava/app"
+	"github.com/kava-labs/kava/x/community/keeper"
+	"github.com/kava-labs/kava/x/community/testutil"
+	"github.com/kava-labs/kava/x/community/types"
+	hardkeeper "github.com/kava-labs/kava/x/hard/keeper"
+	hardtypes "github.com/kava-labs/kava/x/hard/types"
+	pricefeedtypes "github.com/kava-labs/kava/x/pricefeed/types"
+)
+
+const chainID = "kavatest_2221-1"
+
+func ukava(amt int64) sdk.Coins {
+	return sdk.NewCoins(sdk.NewInt64Coin("ukava", amt))
+}
+func usdx(amt int64) sdk.Coins {
+	return sdk.NewCoins(sdk.NewInt64Coin("usdx", amt))
+}
+func otherdenom(amt int64) sdk.Coins {
+	return sdk.NewCoins(sdk.NewInt64Coin("other-denom", amt))
+}
+
+type proposalTestSuite struct {
+	suite.Suite
+
+	App         app.TestApp
+	Ctx         sdk.Context
+	Keeper      keeper.Keeper
+	MaccAddress sdk.AccAddress
+
+	hardKeeper hardkeeper.Keeper
+}
+
+func TestProposalTestSuite(t *testing.T) {
+	suite.Run(t, new(proposalTestSuite))
+}
+
+func (suite *proposalTestSuite) SetupTest() {
+	app.SetSDKConfig()
+
+	genTime := tmtime.Now()
+
+	hardGS, pricefeedGS := testutil.NewLendGenesisBuilder().
+		WithMarket("ukava", "kava:usd", sdk.OneDec()).
+		WithMarket("usdx", "usdx:usd", sdk.OneDec()).
+		Build()
+
+	tApp := app.NewTestApp()
+	ctx := tApp.NewContext(true, tmproto.Header{
+		Height:  1,
+		Time:    genTime,
+		ChainID: chainID,
+	})
+
+	tApp.InitializeFromGenesisStatesWithTimeAndChainID(
+		genTime, chainID,
+		app.GenesisState{hardtypes.ModuleName: tApp.AppCodec().MustMarshalJSON(&hardGS)},
+		app.GenesisState{pricefeedtypes.ModuleName: tApp.AppCodec().MustMarshalJSON(&pricefeedGS)},
+	)
+
+	suite.App = tApp
+	suite.Ctx = ctx
+	suite.Keeper = tApp.GetCommunityKeeper()
+	suite.MaccAddress = tApp.GetAccountKeeper().GetModuleAddress(types.ModuleAccountName)
+	suite.hardKeeper = suite.App.GetHardKeeper()
+
+	// give the community pool some funds
+	// ukava
+	err := suite.App.FundModuleAccount(suite.Ctx, types.ModuleAccountName, ukava(1e10))
+	suite.NoError(err)
+
+	// usdx
+	err = suite.App.FundModuleAccount(suite.Ctx, types.ModuleAccountName, usdx(1e10))
+	suite.NoError(err)
+
+	// other-denom
+	err = suite.App.FundModuleAccount(suite.Ctx, types.ModuleAccountName, otherdenom(1e10))
+	suite.NoError(err)
+}
+
+func (suite *proposalTestSuite) NextBlock() {
+	newTime := suite.Ctx.BlockTime().Add(6 * time.Second)
+	newHeight := suite.Ctx.BlockHeight() + 1
+
+	suite.App.EndBlocker(suite.Ctx, abcitypes.RequestEndBlock{})
+	suite.Ctx = suite.Ctx.WithBlockTime(newTime).WithBlockHeight(newHeight).WithChainID(chainID)
+	suite.App.BeginBlocker(suite.Ctx, abcitypes.RequestBeginBlock{})
+}
+
+func (suite *proposalTestSuite) TestCommunityLendDepositProposal() {
+	testCases := []struct {
+		name             string
+		proposals        []*types.CommunityPoolLendDepositProposal
+		expectedErr      string
+		expectedDeposits []sdk.Coins
+	}{
+		{
+			name: "valid - one proposal, one denom",
+			proposals: []*types.CommunityPoolLendDepositProposal{
+				{Amount: ukava(1e8)},
+			},
+			expectedErr:      "",
+			expectedDeposits: []sdk.Coins{ukava(1e8)},
+		},
+		{
+			name: "valid - one proposal, multiple denoms",
+			proposals: []*types.CommunityPoolLendDepositProposal{
+				{Amount: ukava(1e8).Add(usdx(1e8)...)},
+			},
+			expectedErr:      "",
+			expectedDeposits: []sdk.Coins{ukava(1e8).Add(usdx(1e8)...)},
+		},
+		{
+			name: "valid - multiple proposals, same denom",
+			proposals: []*types.CommunityPoolLendDepositProposal{
+				{Amount: ukava(1e8)},
+				{Amount: ukava(1e9)},
+			},
+			expectedErr:      "",
+			expectedDeposits: []sdk.Coins{ukava(1e8 + 1e9)},
+		},
+		{
+			name: "valid - multiple proposals, different denoms",
+			proposals: []*types.CommunityPoolLendDepositProposal{
+				{Amount: ukava(1e8)},
+				{Amount: usdx(1e8)},
+			},
+			expectedErr:      "",
+			expectedDeposits: []sdk.Coins{ukava(1e8).Add(usdx(1e8)...)},
+		},
+		{
+			name: "invalid - insufficient balance",
+			proposals: []*types.CommunityPoolLendDepositProposal{
+				{
+					Description: "more coins than i have!",
+					Amount:      ukava(1e11),
+				},
+			},
+			expectedErr:      "insufficient funds",
+			expectedDeposits: []sdk.Coins{},
+		},
+		{
+			name: "invalid - invalid lend deposit (unsupported denom)",
+			proposals: []*types.CommunityPoolLendDepositProposal{
+				{Amount: otherdenom(1e9)},
+			},
+			expectedErr:      "invalid deposit denom",
+			expectedDeposits: []sdk.Coins{},
+		},
+	}
+
+	for _, tc := range testCases {
+		suite.Run(tc.name, func() {
+			suite.SetupTest()
+
+			for _, proposal := range tc.proposals {
+				err := keeper.HandleCommunityPoolLendDepositProposal(suite.Ctx, suite.Keeper, proposal)
+				if tc.expectedErr == "" {
+					suite.NoError(err)
+				} else {
+					suite.ErrorContains(err, tc.expectedErr)
+				}
+			}
+
+			deposits := suite.hardKeeper.GetDepositsByUser(suite.Ctx, suite.MaccAddress)
+			suite.Len(deposits, len(tc.expectedDeposits), "expected a deposit to lend")
+			for _, amt := range tc.expectedDeposits {
+				suite.Equal(amt, deposits[0].Amount, "expected amount to match")
+			}
+		})
+	}
+}
+
+func (suite *proposalTestSuite) TestCommunityLendWithdrawProposal() {
+	testCases := []struct {
+		name               string
+		initialDeposit     sdk.Coins
+		proposals          []*types.CommunityPoolLendWithdrawProposal
+		expectedErr        string
+		expectedWithdrawal sdk.Coins
+	}{
+		{
+			// in the week it would take a proposal to pass, the position would have grown
+			// to withdraw the entire position, it'd be safest to set a very high withdraw
+			name:           "valid - requesting withdrawal of more than total will withdraw all",
+			initialDeposit: ukava(1e9),
+			proposals: []*types.CommunityPoolLendWithdrawProposal{
+				{Amount: ukava(1e12)},
+			},
+			expectedErr:        "",
+			expectedWithdrawal: ukava(1e9),
+		},
+		{
+			name:           "valid - single proposal, single denom, full withdrawal",
+			initialDeposit: ukava(1e9),
+			proposals: []*types.CommunityPoolLendWithdrawProposal{
+				{Amount: ukava(1e9)},
+			},
+			expectedErr:        "",
+			expectedWithdrawal: ukava(1e9),
+		},
+		{
+			name:           "valid - single proposal, multiple denoms, full withdrawal",
+			initialDeposit: ukava(1e9).Add(usdx(1e9)...),
+			proposals: []*types.CommunityPoolLendWithdrawProposal{
+				{Amount: ukava(1e9).Add(usdx(1e9)...)},
+			},
+			expectedErr:        "",
+			expectedWithdrawal: ukava(1e9).Add(usdx(1e9)...),
+		},
+		{
+			name:           "valid - single proposal, partial withdrawal",
+			initialDeposit: ukava(1e9).Add(usdx(1e9)...),
+			proposals: []*types.CommunityPoolLendWithdrawProposal{
+				{Amount: ukava(1e8).Add(usdx(1e9)...)},
+			},
+			expectedErr:        "",
+			expectedWithdrawal: ukava(1e8).Add(usdx(1e9)...),
+		},
+		{
+			name:           "valid - multiple proposals, full withdrawal",
+			initialDeposit: ukava(1e9).Add(usdx(1e9)...),
+			proposals: []*types.CommunityPoolLendWithdrawProposal{
+				{Amount: ukava(1e9)},
+				{Amount: usdx(1e9)},
+			},
+			expectedErr:        "",
+			expectedWithdrawal: ukava(1e9).Add(usdx(1e9)...),
+		},
+		{
+			name:           "valid - multiple proposals, partial withdrawal",
+			initialDeposit: ukava(1e9).Add(usdx(1e9)...),
+			proposals: []*types.CommunityPoolLendWithdrawProposal{
+				{Amount: ukava(1e8)},
+				{Amount: usdx(1e8)},
+			},
+			expectedErr:        "",
+			expectedWithdrawal: ukava(1e8).Add(usdx(1e8)...),
+		},
+		{
+			name:           "invalid - nonexistent position, has no deposits",
+			initialDeposit: sdk.NewCoins(),
+			proposals: []*types.CommunityPoolLendWithdrawProposal{
+				{Amount: ukava(1e8)},
+			},
+			expectedErr:        "deposit not found",
+			expectedWithdrawal: sdk.NewCoins(),
+		},
+		{
+			name:           "invalid - nonexistent position, has deposits of different denom",
+			initialDeposit: ukava(1e8),
+			proposals: []*types.CommunityPoolLendWithdrawProposal{
+				{Amount: usdx(1e8)},
+			},
+			expectedErr:        "no coins of this type deposited",
+			expectedWithdrawal: sdk.NewCoins(),
+		},
+	}
+
+	for _, tc := range testCases {
+		suite.Run(tc.name, func() {
+			suite.SetupTest()
+
+			// setup initial deposit
+			if !tc.initialDeposit.IsZero() {
+				deposit := types.NewCommunityPoolLendDepositProposal("initial deposit", "has coins", tc.initialDeposit)
+				err := keeper.HandleCommunityPoolLendDepositProposal(suite.Ctx, suite.Keeper, deposit)
+				suite.NoError(err, "unexpected error while seeding lend deposit")
+			}
+
+			beforeBalance := suite.Keeper.GetModuleAccountBalance(suite.Ctx)
+
+			// run the proposals
+			for i, proposal := range tc.proposals {
+				fmt.Println("submitting proposal ", i, " ", suite.Ctx.ChainID())
+				err := keeper.HandleCommunityPoolLendWithdrawProposal(suite.Ctx, suite.Keeper, proposal)
+				if tc.expectedErr == "" {
+					suite.NoError(err)
+				} else {
+					suite.ErrorContains(err, tc.expectedErr)
+				}
+
+				suite.NextBlock()
+			}
+
+			// expect funds to be removed from hard deposit
+			expectedRemaining := tc.initialDeposit.Sub(tc.expectedWithdrawal)
+			deposits := suite.hardKeeper.GetDepositsByUser(suite.Ctx, suite.MaccAddress)
+			if expectedRemaining.IsZero() {
+				suite.Len(deposits, 0, "expected all deposits to be withdrawn")
+			} else {
+				suite.Len(deposits, 1, "expected user to have remaining deposit")
+				suite.Equal(expectedRemaining, deposits[0].Amount)
+			}
+
+			// expect funds to be distributed back to community pool
+			suite.App.CheckBalance(suite.T(), suite.Ctx, suite.MaccAddress, beforeBalance.Add(tc.expectedWithdrawal...))
+		})
+	}
+}

x/community/module.go

@@ -109,7 +109,7 @@ func (am AppModule) Route() sdk.Route { return sdk.Route{} }
 
 // QuerierRoute module querier route name
 // Deprecated: unused but necessary to fulfill AppModule interface
-func (AppModule) QuerierRoute() string { return "" }
+func (AppModule) QuerierRoute() string { return types.RouterKey }
 
 // LegacyQuerierHandler returns no sdk.Querier.
 // Deprecated: unused but necessary to fulfill AppModule interface

x/community/testutil/main.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/kava-labs/kava/app"
 	"github.com/kava-labs/kava/x/community/keeper"
+	"github.com/kava-labs/kava/x/community/types"
 )
 
 // Test suite used for all community tests
@@ -17,6 +18,8 @@ type Suite struct {
 	App    app.TestApp
 	Ctx    sdk.Context
 	Keeper keeper.Keeper
+
+	MaccAddress sdk.AccAddress
 }
 
 // The default state used by each test
@@ -30,6 +33,10 @@ func (suite *Suite) SetupTest() {
 	suite.App = tApp
 	suite.Ctx = ctx
 	suite.Keeper = tApp.GetCommunityKeeper()
+	communityPoolAddress := tApp.GetAccountKeeper().GetModuleAddress(types.ModuleAccountName)
+	// hello, greppers!
+	suite.Equal("kava17d2wax0zhjrrecvaszuyxdf5wcu5a0p4qlx3t5", communityPoolAddress.String())
+	suite.MaccAddress = communityPoolAddress
 }
 
 // CreateFundedAccount creates a random account and mints `coins` to it.

x/community/testutil/pricefeed_genesis_builder.go

@@ -0,0 +1,60 @@
+package testutil
+
+import (
+	"time"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	hardtypes "github.com/kava-labs/kava/x/hard/types"
+	pricefeedtypes "github.com/kava-labs/kava/x/pricefeed/types"
+)
+
+// lendGenesisBuilder builds the Hard and Pricefeed genesis states for setting up Kava Lend
+type lendGenesisBuilder struct {
+	hardMarkets []hardtypes.MoneyMarket
+	pfMarkets   []pricefeedtypes.Market
+	prices      []pricefeedtypes.PostedPrice
+}
+
+func NewLendGenesisBuilder() lendGenesisBuilder {
+	return lendGenesisBuilder{}
+}
+
+func (b lendGenesisBuilder) Build() (hardtypes.GenesisState, pricefeedtypes.GenesisState) {
+	hardGS := hardtypes.DefaultGenesisState()
+	hardGS.Params.MoneyMarkets = b.hardMarkets
+
+	pricefeedGS := pricefeedtypes.DefaultGenesisState()
+	pricefeedGS.Params.Markets = b.pfMarkets
+	pricefeedGS.PostedPrices = b.prices
+	return hardGS, pricefeedGS
+}
+
+func (b lendGenesisBuilder) WithMarket(denom, spotMarketId string, price sdk.Dec) lendGenesisBuilder {
+	// add hard money market
+	b.hardMarkets = append(b.hardMarkets,
+		hardtypes.NewMoneyMarket(
+			denom,
+			hardtypes.NewBorrowLimit(false, sdk.NewDec(1e15), sdk.MustNewDecFromStr("0.6")),
+			spotMarketId,
+			sdk.NewInt(1e6),
+			hardtypes.NewInterestRateModel(sdk.MustNewDecFromStr("0.05"), sdk.MustNewDecFromStr("2"), sdk.MustNewDecFromStr("0.8"), sdk.MustNewDecFromStr("10")),
+			sdk.MustNewDecFromStr("0.05"),
+			sdk.ZeroDec(),
+		),
+	)
+
+	// add pricefeed
+	b.pfMarkets = append(b.pfMarkets,
+		pricefeedtypes.Market{MarketID: spotMarketId, BaseAsset: denom, QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
+	)
+	b.prices = append(b.prices,
+		pricefeedtypes.PostedPrice{
+			MarketID:      spotMarketId,
+			OracleAddress: sdk.AccAddress{},
+			Price:         price,
+			Expiry:        time.Now().Add(100 * time.Hour),
+		},
+	)
+
+	return b
+}

x/community/types/codec.go

@@ -6,6 +6,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/types/msgservice"
 
 	cryptocodec "github.com/cosmos/cosmos-sdk/crypto/codec"
+	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
 )
@@ -13,6 +14,8 @@ import (
 // RegisterLegacyAminoCodec registers all the necessary types and interfaces for the module.
 func RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
 	cdc.RegisterConcrete(&MsgFundCommunityPool{}, "community/MsgFundCommunityPool", nil)
+	cdc.RegisterConcrete(&CommunityPoolLendDepositProposal{}, "kava/CommunityPoolLendDepositProposal", nil)
+	cdc.RegisterConcrete(&CommunityPoolLendWithdrawProposal{}, "kava/CommunityPoolLendWithdrawProposal", nil)
 }
 
 // RegisterInterfaces registers proto messages under their interfaces for unmarshalling,
@@ -21,6 +24,10 @@ func RegisterInterfaces(registry types.InterfaceRegistry) {
 	registry.RegisterImplementations((*sdk.Msg)(nil),
 		&MsgFundCommunityPool{},
 	)
+	registry.RegisterImplementations((*govtypes.Content)(nil),
+		&CommunityPoolLendDepositProposal{},
+		&CommunityPoolLendWithdrawProposal{},
+	)
 
 	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
 }

x/community/types/expected_keepers.go

@@ -18,3 +18,9 @@ type BankKeeper interface {
 	SendCoinsFromAccountToModule(ctx sdk.Context, senderAddr sdk.AccAddress, recipientModule string, amt sdk.Coins) error
 	SendCoinsFromModuleToAccount(ctx sdk.Context, senderModule string, recipientAddr sdk.AccAddress, amt sdk.Coins) error
 }
+
+// HardKeeper defines the contract needed to be fulfilled for Kava Lend dependencies.
+type HardKeeper interface {
+	Deposit(ctx sdk.Context, depositor sdk.AccAddress, coins sdk.Coins) error
+	Withdraw(ctx sdk.Context, depositor sdk.AccAddress, coins sdk.Coins) error
+}

x/community/types/keys.go

@@ -7,6 +7,9 @@ const (
 	// ModuleAccountName is the name of the module's account
 	ModuleAccountName = ModuleName
 
+	// RouterKey is the top-level router key for the module
+	RouterKey = ModuleName
+
 	// Query endpoints supported by community
 	QueryBalance = "balance"
 )