smeb_y/0g-chain
1
0
Fork 0
mirror of https://github.com/0glabs/0g-chain.git synced 2025-02-23 04:26:02 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity
28fa4b7993
0g-chain/x/hard/keeper/borrow_test.go
Solovyov1796 28fa4b7993 rename go mod path
2024-09-25 15:00:59 +00:00

891 lines
36 KiB
Go
Raw Blame History

package keeper_test
import (
"time"
"github.com/kava-labs/kava/x/hard/keeper"
sdkmath "cosmossdk.io/math"
"github.com/cometbft/cometbft/crypto"
tmproto "github.com/cometbft/cometbft/proto/tendermint/types"
tmtime "github.com/cometbft/cometbft/types/time"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/0glabs/0g-chain/app"
"github.com/0glabs/0g-chain/x/hard"
"github.com/0glabs/0g-chain/x/hard/types"
pricefeedtypes "github.com/0glabs/0g-chain/x/pricefeed/types"
)
const (
USDX_CF = 1000000
KAVA_CF = 1000000
BTCB_CF = 100000000
BNB_CF = 100000000
BUSD_CF = 100000000
)
func (suite *KeeperTestSuite) TestBorrow() {
type setupArgs struct {
usdxBorrowLimit sdk.Dec
priceKAVA sdk.Dec
loanToValueKAVA sdk.Dec
priceBTCB sdk.Dec
loanToValueBTCB sdk.Dec
priceBNB sdk.Dec
loanToValueBNB sdk.Dec
borrower sdk.AccAddress
depositCoins []sdk.Coin
initialBorrowCoins sdk.Coins
}
type borrowArgs struct {
borrowCoins sdk.Coins
wantErr string
}
type expected struct {
expectedAccountBalance sdk.Coins
expectedModAccountBalance sdk.Coins
expectPass bool
contains string
}
type borrowTest struct {
name string
setup setupArgs
borrows []borrowArgs
expected []expected
}
testCases := []borrowTest{
{
name: "valid",
setup: setupArgs{
usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
priceKAVA: sdk.MustNewDecFromStr("5.00"),
loanToValueKAVA: sdk.MustNewDecFromStr("0.6"),
priceBTCB: sdk.MustNewDecFromStr("0.00"),
loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
priceBNB: sdk.MustNewDecFromStr("0.00"),
loanToValueBNB: sdk.MustNewDecFromStr("0.01"),
borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
depositCoins: []sdk.Coin{sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))},
initialBorrowCoins: sdk.NewCoins(),
},
expected: []expected{
{
expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(20*KAVA_CF)), sdk.NewCoin("btcb", sdkmath.NewInt(100*BTCB_CF)), sdk.NewCoin("bnb", sdkmath.NewInt(100*BNB_CF)), sdk.NewCoin("xyz", sdkmath.NewInt(1))),
expectedModAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1080*KAVA_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(200*USDX_CF)), sdk.NewCoin("busd", sdkmath.NewInt(100*BUSD_CF))),
expectPass: true,
},
},
borrows: []borrowArgs{
{
borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(20*KAVA_CF))),
wantErr: "",
},
},
},
{
name: "invalid: loan-to-value limited",
setup: setupArgs{
usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
priceKAVA: sdk.MustNewDecFromStr("5.00"),
loanToValueKAVA: sdk.MustNewDecFromStr("0.6"),
priceBTCB: sdk.MustNewDecFromStr("0.00"),
loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
priceBNB: sdk.MustNewDecFromStr("0.00"),
loanToValueBNB: sdk.MustNewDecFromStr("0.01"),
borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
depositCoins: []sdk.Coin{sdk.NewCoin("ukava", sdkmath.NewInt(20*KAVA_CF))}, // 20 KAVA x $5.00 price = $100
initialBorrowCoins: sdk.NewCoins(),
},
expected: []expected{
{
expectedAccountBalance: sdk.NewCoins(),
expectedModAccountBalance: sdk.NewCoins(),
expectPass: false,
contains: "exceeds the allowable amount as determined by the collateralization ratio",
},
},
borrows: []borrowArgs{
{
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(61*USDX_CF))), // 61 USDX x $1 price = $61
wantErr: "",
},
},
},
{
name: "valid: multiple deposits",
setup: setupArgs{
usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
priceKAVA: sdk.MustNewDecFromStr("2.00"),
loanToValueKAVA: sdk.MustNewDecFromStr("0.80"),
priceBTCB: sdk.MustNewDecFromStr("10000.00"),
loanToValueBTCB: sdk.MustNewDecFromStr("0.10"),
priceBNB: sdk.MustNewDecFromStr("0.00"),
loanToValueBNB: sdk.MustNewDecFromStr("0.01"),
borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF)), sdk.NewCoin("btcb", sdkmath.NewInt(0.1*BTCB_CF))),
initialBorrowCoins: sdk.NewCoins(),
},
expected: []expected{
{
expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF)), sdk.NewCoin("btcb", sdkmath.NewInt(99.9*BTCB_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(180*USDX_CF)), sdk.NewCoin("bnb", sdkmath.NewInt(100*BNB_CF)), sdk.NewCoin("xyz", sdkmath.NewInt(1))),
expectedModAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1050*KAVA_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(20*USDX_CF)), sdk.NewCoin("btcb", sdkmath.NewInt(0.1*BTCB_CF)), sdk.NewCoin("busd", sdkmath.NewInt(100*BUSD_CF))),
expectPass: true,
contains: "exceeds the allowable amount as determined by the collateralization ratio",
},
},
borrows: []borrowArgs{
{
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(180*USDX_CF))),
wantErr: "",
},
},
},
{
name: "invalid: multiple deposits",
setup: setupArgs{
usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
priceKAVA: sdk.MustNewDecFromStr("2.00"),
loanToValueKAVA: sdk.MustNewDecFromStr("0.80"),
priceBTCB: sdk.MustNewDecFromStr("10000.00"),
loanToValueBTCB: sdk.MustNewDecFromStr("0.10"),
priceBNB: sdk.MustNewDecFromStr("0.00"),
loanToValueBNB: sdk.MustNewDecFromStr("0.01"),
borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF)), sdk.NewCoin("btcb", sdkmath.NewInt(0.1*BTCB_CF))),
initialBorrowCoins: sdk.NewCoins(),
},
expected: []expected{
{
expectedAccountBalance: sdk.NewCoins(),
expectedModAccountBalance: sdk.NewCoins(),
expectPass: false,
contains: "exceeds the allowable amount as determined by the collateralization ratio",
},
},
borrows: []borrowArgs{
{
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(181*USDX_CF))),
wantErr: "",
},
},
},
{
name: "valid: multiple previous borrows",
setup: setupArgs{
usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
priceKAVA: sdk.MustNewDecFromStr("2.00"),
loanToValueKAVA: sdk.MustNewDecFromStr("0.8"),
priceBTCB: sdk.MustNewDecFromStr("0.00"),
loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
priceBNB: sdk.MustNewDecFromStr("5.00"),
loanToValueBNB: sdk.MustNewDecFromStr("0.8"),
borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
depositCoins: sdk.NewCoins(sdk.NewCoin("bnb", sdkmath.NewInt(30*BNB_CF)), sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF))), // (50 KAVA x $2.00 price = $100) + (30 BNB x $5.00 price = $150) = $250
initialBorrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(99*USDX_CF)), sdk.NewCoin("busd", sdkmath.NewInt(100*BUSD_CF))),
},
expected: []expected{
{
expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF)), sdk.NewCoin("btcb", sdkmath.NewInt(100*BTCB_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF)), sdk.NewCoin("busd", sdkmath.NewInt(100*BUSD_CF)), sdk.NewCoin("bnb", sdkmath.NewInt(70*BNB_CF)), sdk.NewCoin("xyz", sdkmath.NewInt(1))),
expectedModAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1050*KAVA_CF)), sdk.NewCoin("bnb", sdkmath.NewInt(30*BUSD_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF))),
expectPass: true,
},
},
borrows: []borrowArgs{
{
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(1*USDX_CF))),
wantErr: "",
},
},
},
{
name: "invalid: over loan-to-value with multiple previous borrows",
setup: setupArgs{
usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
priceKAVA: sdk.MustNewDecFromStr("2.00"),
loanToValueKAVA: sdk.MustNewDecFromStr("0.8"),
priceBTCB: sdk.MustNewDecFromStr("0.00"),
loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
priceBNB: sdk.MustNewDecFromStr("5.00"),
loanToValueBNB: sdk.MustNewDecFromStr("0.8"),
borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
depositCoins: sdk.NewCoins(sdk.NewCoin("bnb", sdkmath.NewInt(30*BNB_CF)), sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF))), // (50 KAVA x $2.00 price = $100) + (30 BNB x $5.00 price = $150) = $250
initialBorrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF)), sdk.NewCoin("busd", sdkmath.NewInt(100*BUSD_CF))),
},
expected: []expected{
{
expectedAccountBalance: sdk.NewCoins(),
expectedModAccountBalance: sdk.NewCoins(),
expectPass: false,
contains: "exceeds the allowable amount as determined by the collateralization ratio",
},
},
borrows: []borrowArgs{
{
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(1*USDX_CF))),
wantErr: "",
},
},
},
{
name: "invalid: no price for asset",
setup: setupArgs{
usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
priceKAVA: sdk.MustNewDecFromStr("5.00"),
loanToValueKAVA: sdk.MustNewDecFromStr("0.6"),
priceBTCB: sdk.MustNewDecFromStr("0.00"),
loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
priceBNB: sdk.MustNewDecFromStr("0.00"),
loanToValueBNB: sdk.MustNewDecFromStr("0.01"),
borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
initialBorrowCoins: sdk.NewCoins(),
},
expected: []expected{
{
expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(20*KAVA_CF)), sdk.NewCoin("btcb", sdkmath.NewInt(100*BTCB_CF)), sdk.NewCoin("bnb", sdkmath.NewInt(100*BNB_CF)), sdk.NewCoin("xyz", sdkmath.NewInt(1))),
expectedModAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1080*KAVA_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(200*USDX_CF)), sdk.NewCoin("busd", sdkmath.NewInt(100*BUSD_CF))),
expectPass: false,
contains: "no price found for market",
},
},
borrows: []borrowArgs{
{
borrowCoins: sdk.NewCoins(sdk.NewCoin("xyz", sdkmath.NewInt(1))),
wantErr: "",
},
},
},
{
name: "invalid: borrow exceed module account balance",
setup: setupArgs{
usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
priceKAVA: sdk.MustNewDecFromStr("2.00"),
loanToValueKAVA: sdk.MustNewDecFromStr("0.8"),
priceBTCB: sdk.MustNewDecFromStr("0.00"),
loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
priceBNB: sdk.MustNewDecFromStr("0.00"),
loanToValueBNB: sdk.MustNewDecFromStr("0.01"),
borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))),
initialBorrowCoins: sdk.NewCoins(),
},
expected: []expected{
{
expectedAccountBalance: sdk.NewCoins(),
expectedModAccountBalance: sdk.NewCoins(),
expectPass: false,
contains: "exceeds borrowable module account balance",
},
},
borrows: []borrowArgs{
{
borrowCoins: sdk.NewCoins(sdk.NewCoin("busd", sdkmath.NewInt(101*BUSD_CF))),
wantErr: "",
},
},
},
{
name: "invalid: over global asset borrow limit",
setup: setupArgs{
usdxBorrowLimit: sdk.MustNewDecFromStr("20000000"),
priceKAVA: sdk.MustNewDecFromStr("2.00"),
loanToValueKAVA: sdk.MustNewDecFromStr("0.8"),
priceBTCB: sdk.MustNewDecFromStr("0.00"),
loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
priceBNB: sdk.MustNewDecFromStr("0.00"),
loanToValueBNB: sdk.MustNewDecFromStr("0.01"),
borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF))),
initialBorrowCoins: sdk.NewCoins(),
},
expected: []expected{
{
expectedAccountBalance: sdk.NewCoins(),
expectedModAccountBalance: sdk.NewCoins(),
expectPass: false,
contains: "fails global asset borrow limit validation",
},
},
borrows: []borrowArgs{
{
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(25*USDX_CF))),
wantErr: "",
},
},
},
{
name: "invalid: borrowing an individual coin type results in a borrow that's under the minimum USD borrow limit",
setup: setupArgs{
usdxBorrowLimit: sdk.MustNewDecFromStr("20000000"),
priceKAVA: sdk.MustNewDecFromStr("2.00"),
loanToValueKAVA: sdk.MustNewDecFromStr("0.8"),
priceBTCB: sdk.MustNewDecFromStr("0.00"),
loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
priceBNB: sdk.MustNewDecFromStr("0.00"),
loanToValueBNB: sdk.MustNewDecFromStr("0.01"),
borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF))),
initialBorrowCoins: sdk.NewCoins(),
},
expected: []expected{
{
expectedAccountBalance: sdk.NewCoins(),
expectedModAccountBalance: sdk.NewCoins(),
expectPass: false,
contains: "below the minimum borrow limit",
},
},
borrows: []borrowArgs{
{
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(5*USDX_CF))),
wantErr: "",
},
},
},
{
name: "invalid: borrowing multiple coins results in a borrow that's under the minimum USD borrow limit",
setup: setupArgs{
usdxBorrowLimit: sdk.MustNewDecFromStr("20000000"),
priceKAVA: sdk.MustNewDecFromStr("2.00"),
loanToValueKAVA: sdk.MustNewDecFromStr("0.8"),
priceBTCB: sdk.MustNewDecFromStr("0.00"),
loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
priceBNB: sdk.MustNewDecFromStr("0.00"),
loanToValueBNB: sdk.MustNewDecFromStr("0.01"),
borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF))),
initialBorrowCoins: sdk.NewCoins(),
},
expected: []expected{
{
expectedAccountBalance: sdk.NewCoins(),
expectedModAccountBalance: sdk.NewCoins(),
expectPass: false,
contains: "below the minimum borrow limit",
},
},
borrows: []borrowArgs{
{
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(5*USDX_CF)), sdk.NewCoin("ukava", sdkmath.NewInt(2*USDX_CF))),
wantErr: "",
},
},
},
{
name: "valid borrow multiple blocks",
setup: setupArgs{
usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
priceKAVA: sdk.MustNewDecFromStr("5.00"),
loanToValueKAVA: sdk.MustNewDecFromStr("0.6"),
priceBTCB: sdk.MustNewDecFromStr("0.00"),
loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
priceBNB: sdk.MustNewDecFromStr("0.00"),
loanToValueBNB: sdk.MustNewDecFromStr("0.01"),
borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
depositCoins: []sdk.Coin{sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))},
initialBorrowCoins: sdk.NewCoins(),
},
expected: []expected{
{
expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(20*KAVA_CF)), sdk.NewCoin("btcb", sdkmath.NewInt(100*BTCB_CF)), sdk.NewCoin("bnb", sdkmath.NewInt(100*BNB_CF)), sdk.NewCoin("xyz", sdkmath.NewInt(1))),
expectedModAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1080*KAVA_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(200*USDX_CF)), sdk.NewCoin("busd", sdkmath.NewInt(100*BUSD_CF))),
expectPass: true,
},
{
expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(40*KAVA_CF)), sdk.NewCoin("btcb", sdkmath.NewInt(100*BTCB_CF)), sdk.NewCoin("bnb", sdkmath.NewInt(100*BNB_CF)), sdk.NewCoin("xyz", sdkmath.NewInt(1))),
expectedModAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1060*KAVA_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(200*USDX_CF)), sdk.NewCoin("busd", sdkmath.NewInt(100*BUSD_CF))),
expectPass: true,
},
},
borrows: []borrowArgs{
{
borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(20*KAVA_CF))),
wantErr: "",
},
{
borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(20*KAVA_CF))),
wantErr: "",
},
},
},
{
name: "valid borrow followed by protocol reserves exceed available cash for busd when borrowing from ukava",
setup: setupArgs{
usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
priceKAVA: sdk.MustNewDecFromStr("5.00"),
loanToValueKAVA: sdk.MustNewDecFromStr("0.8"),
priceBTCB: sdk.MustNewDecFromStr("0.00"),
loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
priceBNB: sdk.MustNewDecFromStr("5.00"),
loanToValueBNB: sdk.MustNewDecFromStr("0.8"),
borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
depositCoins: sdk.NewCoins(sdk.NewCoin("bnb", sdkmath.NewInt(30*BNB_CF)), sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF))),
initialBorrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(99*USDX_CF)), sdk.NewCoin("busd", sdkmath.NewInt(100*BUSD_CF))),
},
expected: []expected{
{
expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF)), sdk.NewCoin("btcb", sdkmath.NewInt(100*BTCB_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF)), sdk.NewCoin("busd", sdkmath.NewInt(100*BUSD_CF)), sdk.NewCoin("bnb", sdkmath.NewInt(70*BNB_CF)), sdk.NewCoin("xyz", sdkmath.NewInt(1))),
expectedModAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1050*KAVA_CF)), sdk.NewCoin("bnb", sdkmath.NewInt(30*BUSD_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF))),
expectPass: true,
},
{
expectedAccountBalance: sdk.NewCoins(
sdk.NewCoin("ukava", sdkmath.NewInt(51*KAVA_CF)), // now should be 1 ukava more
sdk.NewCoin("btcb", sdkmath.NewInt(100*BTCB_CF)),
sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF)),
sdk.NewCoin("busd", sdkmath.NewInt(100*BUSD_CF)),
sdk.NewCoin("bnb", sdkmath.NewInt(70*BNB_CF)),
sdk.NewCoin("xyz", sdkmath.NewInt(1)),
),
expectedModAccountBalance: sdk.NewCoins(
sdk.NewCoin("ukava", sdkmath.NewInt(1049*KAVA_CF)), // now should be 1 ukava less
sdk.NewCoin("bnb", sdkmath.NewInt(30*BUSD_CF)),
sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF)),
),
expectPass: true,
},
},
borrows: []borrowArgs{
{
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(1*USDX_CF))),
wantErr: "",
},
{
borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1*KAVA_CF))),
wantErr: "",
},
},
},
{
name: "valid borrow followed by protocol reserves exceed available cash for busd when borrowing from busd",
setup: setupArgs{
usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
priceKAVA: sdk.MustNewDecFromStr("2.00"),
loanToValueKAVA: sdk.MustNewDecFromStr("0.8"),
priceBTCB: sdk.MustNewDecFromStr("0.00"),
loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
priceBNB: sdk.MustNewDecFromStr("5.00"),
loanToValueBNB: sdk.MustNewDecFromStr("0.8"),
borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
depositCoins: sdk.NewCoins(sdk.NewCoin("bnb", sdkmath.NewInt(30*BNB_CF)), sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF))),
initialBorrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(99*USDX_CF)), sdk.NewCoin("busd", sdkmath.NewInt(100*BUSD_CF))),
},
expected: []expected{
{
expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(50*KAVA_CF)), sdk.NewCoin("btcb", sdkmath.NewInt(100*BTCB_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF)), sdk.NewCoin("busd", sdkmath.NewInt(100*BUSD_CF)), sdk.NewCoin("bnb", sdkmath.NewInt(70*BNB_CF)), sdk.NewCoin("xyz", sdkmath.NewInt(1))),
expectedModAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(1050*KAVA_CF)), sdk.NewCoin("bnb", sdkmath.NewInt(30*BUSD_CF)), sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF))),
expectPass: true,
},
{
expectedAccountBalance: sdk.NewCoins(),
expectedModAccountBalance: sdk.NewCoins(),
expectPass: false,
contains: "insolvency - protocol reserves exceed available cash",
},
},
borrows: []borrowArgs{
{
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(1*USDX_CF))),
wantErr: "",
},
{
borrowCoins: sdk.NewCoins(sdk.NewCoin("busd", sdkmath.NewInt(100*BUSD_CF))),
wantErr: "",
},
},
},
}
for _, tc := range testCases {
suite.Run(tc.name, func() {
// Initialize test app and set context
tApp := app.NewTestApp()
ctx := tApp.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
// Auth module genesis state
authGS := app.NewFundedGenStateWithCoins(
tApp.AppCodec(),
[]sdk.Coins{
sdk.NewCoins(
sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF)),
sdk.NewCoin("btcb", sdkmath.NewInt(100*BTCB_CF)),
sdk.NewCoin("bnb", sdkmath.NewInt(100*BNB_CF)),
sdk.NewCoin("xyz", sdkmath.NewInt(1)),
),
},
[]sdk.AccAddress{tc.setup.borrower},
)
// hard module genesis state
hardGS := types.NewGenesisState(types.NewParams(
types.MoneyMarkets{
types.NewMoneyMarket("usdx", types.NewBorrowLimit(true, tc.setup.usdxBorrowLimit, sdk.MustNewDecFromStr("1")), "usdx:usd", sdkmath.NewInt(USDX_CF), types.NewInterestRateModel(sdk.MustNewDecFromStr("0.05"), sdk.MustNewDecFromStr("2"), sdk.MustNewDecFromStr("0.8"), sdk.MustNewDecFromStr("10")), sdk.MustNewDecFromStr("0.05"), sdk.ZeroDec()),
types.NewMoneyMarket("busd", types.NewBorrowLimit(false, sdk.NewDec(100000000*BUSD_CF), sdk.MustNewDecFromStr("1")), "busd:usd", sdkmath.NewInt(BUSD_CF), types.NewInterestRateModel(sdk.MustNewDecFromStr("0.05"), sdk.MustNewDecFromStr("2"), sdk.MustNewDecFromStr("0.8"), sdk.MustNewDecFromStr("10")), sdk.MustNewDecFromStr("0.05"), sdk.ZeroDec()),
types.NewMoneyMarket("ukava", types.NewBorrowLimit(false, sdk.NewDec(100000000*KAVA_CF), tc.setup.loanToValueKAVA), "kava:usd", sdkmath.NewInt(KAVA_CF), types.NewInterestRateModel(sdk.MustNewDecFromStr("0.05"), sdk.MustNewDecFromStr("2"), sdk.MustNewDecFromStr("0.8"), sdk.MustNewDecFromStr("10")), sdk.MustNewDecFromStr("0.99"), sdk.ZeroDec()),
types.NewMoneyMarket("btcb", types.NewBorrowLimit(false, sdk.NewDec(100000000*BTCB_CF), tc.setup.loanToValueBTCB), "btcb:usd", sdkmath.NewInt(BTCB_CF), types.NewInterestRateModel(sdk.MustNewDecFromStr("0.05"), sdk.MustNewDecFromStr("2"), sdk.MustNewDecFromStr("0.8"), sdk.MustNewDecFromStr("10")), sdk.MustNewDecFromStr("0.05"), sdk.ZeroDec()),
types.NewMoneyMarket("bnb", types.NewBorrowLimit(false, sdk.NewDec(100000000*BNB_CF), tc.setup.loanToValueBNB), "bnb:usd", sdkmath.NewInt(BNB_CF), types.NewInterestRateModel(sdk.MustNewDecFromStr("0.05"), sdk.MustNewDecFromStr("2"), sdk.MustNewDecFromStr("0.8"), sdk.MustNewDecFromStr("10")), sdk.MustNewDecFromStr("0.05"), sdk.ZeroDec()),
types.NewMoneyMarket("xyz", types.NewBorrowLimit(false, sdk.NewDec(1), tc.setup.loanToValueBNB), "xyz:usd", sdkmath.NewInt(1), types.NewInterestRateModel(sdk.MustNewDecFromStr("0.05"), sdk.MustNewDecFromStr("2"), sdk.MustNewDecFromStr("0.8"), sdk.MustNewDecFromStr("10")), sdk.MustNewDecFromStr("0.05"), sdk.ZeroDec()),
},
sdk.NewDec(10),
), types.DefaultAccumulationTimes, types.DefaultDeposits, types.DefaultBorrows,
types.DefaultTotalSupplied, types.DefaultTotalBorrowed, types.DefaultTotalReserves,
)
// Pricefeed module genesis state
pricefeedGS := pricefeedtypes.GenesisState{
Params: pricefeedtypes.Params{
Markets: []pricefeedtypes.Market{
{MarketID: "usdx:usd", BaseAsset: "usdx", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
{MarketID: "busd:usd", BaseAsset: "busd", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
{MarketID: "kava:usd", BaseAsset: "kava", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
{MarketID: "btcb:usd", BaseAsset: "btcb", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
{MarketID: "bnb:usd", BaseAsset: "bnb", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
{MarketID: "xyz:usd", BaseAsset: "xyz", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
},
},
PostedPrices: []pricefeedtypes.PostedPrice{
{
MarketID: "usdx:usd",
OracleAddress: sdk.AccAddress{},
Price: sdk.MustNewDecFromStr("1.00"),
Expiry: time.Now().Add(1 * time.Hour),
},
{
MarketID: "busd:usd",
OracleAddress: sdk.AccAddress{},
Price: sdk.MustNewDecFromStr("1.00"),
Expiry: time.Now().Add(1 * time.Hour),
},
{
MarketID: "kava:usd",
OracleAddress: sdk.AccAddress{},
Price: tc.setup.priceKAVA,
Expiry: time.Now().Add(1 * time.Hour),
},
{
MarketID: "btcb:usd",
OracleAddress: sdk.AccAddress{},
Price: tc.setup.priceBTCB,
Expiry: time.Now().Add(1 * time.Hour),
},
{
MarketID: "bnb:usd",
OracleAddress: sdk.AccAddress{},
Price: tc.setup.priceBNB,
Expiry: time.Now().Add(1 * time.Hour),
},
},
}
// Initialize test application
tApp.InitializeFromGenesisStates(authGS,
app.GenesisState{pricefeedtypes.ModuleName: tApp.AppCodec().MustMarshalJSON(&pricefeedGS)},
app.GenesisState{types.ModuleName: tApp.AppCodec().MustMarshalJSON(&hardGS)})
// Mint coins to hard module account
bankKeeper := tApp.GetBankKeeper()
hardMaccCoins := sdk.NewCoins(
sdk.NewCoin("ukava", sdkmath.NewInt(1000*KAVA_CF)),
sdk.NewCoin("usdx", sdkmath.NewInt(200*USDX_CF)),
sdk.NewCoin("busd", sdkmath.NewInt(100*BUSD_CF)),
)
err := bankKeeper.MintCoins(ctx, types.ModuleAccountName, hardMaccCoins)
suite.Require().NoError(err)
keeper := tApp.GetHardKeeper()
suite.app = tApp
suite.ctx = ctx
suite.keeper = keeper
// Run BeginBlocker once to transition MoneyMarkets
hard.BeginBlocker(suite.ctx, suite.keeper)
suite.Require().NoError(suite.keeper.Deposit(suite.ctx, tc.setup.borrower, tc.setup.depositCoins))
// Execute user's previous borrows
if err = suite.keeper.Borrow(suite.ctx, tc.setup.borrower, tc.setup.initialBorrowCoins); tc.setup.initialBorrowCoins.IsZero() {
suite.Require().ErrorContains(err, "cannot borrow zero coins")
} else {
suite.Require().NoError(err)
}
for i, borrow := range tc.borrows {
// Now that our state is properly set up, execute the last borrow
err = suite.keeper.Borrow(suite.ctx, tc.setup.borrower, borrow.borrowCoins)
if tc.expected[i].expectPass {
suite.Require().NoError(err)
// Check borrower balance
acc := suite.getAccount(tc.setup.borrower)
suite.Require().Equal(tc.expected[i].expectedAccountBalance, suite.getAccountCoins(acc))
// Check module account balance
mAcc := suite.getModuleAccount(types.ModuleAccountName)
suite.Require().Equal(tc.expected[i].expectedModAccountBalance, suite.getAccountCoins(mAcc))
// Check that borrow struct is in store
_, f := suite.keeper.GetBorrow(suite.ctx, tc.setup.borrower)
suite.Require().True(f)
} else {
suite.Require().Error(err)
suite.Require().ErrorContains(err, tc.expected[i].contains)
}
blockDuration := time.Second * 3600 * 30 // long blocks to accumulate larger interest
runAtTime := suite.ctx.BlockTime().Add(blockDuration)
suite.ctx = suite.ctx.WithBlockTime(runAtTime)
// Run BeginBlocker once to transition MoneyMarkets
hard.BeginBlocker(suite.ctx, suite.keeper)
}
})
}
}
func (suite *KeeperTestSuite) TestValidateBorrow() {
blockDuration := time.Second * 3600 * 24 // long blocks to accumulate larger interest
_, addrs := app.GeneratePrivKeyAddressPairs(5)
borrower := addrs[0]
initialBorrowerBalance := sdk.NewCoins(
sdk.NewCoin("ukava", sdkmath.NewInt(1000*KAVA_CF)),
sdk.NewCoin("usdx", sdkmath.NewInt(1000*KAVA_CF)),
)
model := types.NewInterestRateModel(sdk.MustNewDecFromStr("1.0"), sdk.MustNewDecFromStr("2"), sdk.MustNewDecFromStr("0.8"), sdk.MustNewDecFromStr("10"))
// Initialize test app and set context
tApp := app.NewTestApp()
ctx := tApp.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
// Auth module genesis state
authGS := app.NewFundedGenStateWithSameCoins(
tApp.AppCodec(),
initialBorrowerBalance,
[]sdk.AccAddress{borrower},
)
// Hard module genesis state
hardGS := types.NewGenesisState(
types.NewParams(
types.MoneyMarkets{
types.NewMoneyMarket("usdx",
types.NewBorrowLimit(false, sdk.NewDec(100000000*USDX_CF), sdk.MustNewDecFromStr("1")), // Borrow Limit
"usdx:usd", // Market ID
sdkmath.NewInt(USDX_CF), // Conversion Factor
model, // Interest Rate Model
sdk.MustNewDecFromStr("1.0"), // Reserve Factor (high)
sdk.MustNewDecFromStr("0.05")), // Keeper Reward Percent
types.NewMoneyMarket("ukava",
types.NewBorrowLimit(false, sdk.NewDec(100000000*KAVA_CF), sdk.MustNewDecFromStr("0.8")), // Borrow Limit
"kava:usd", // Market ID
sdkmath.NewInt(KAVA_CF), // Conversion Factor
model, // Interest Rate Model
sdk.MustNewDecFromStr("1.0"), // Reserve Factor (high)
sdk.MustNewDecFromStr("0.05")), // Keeper Reward Percent
},
sdk.NewDec(10),
),
types.DefaultAccumulationTimes,
types.DefaultDeposits,
types.DefaultBorrows,
types.DefaultTotalSupplied,
types.DefaultTotalBorrowed,
types.DefaultTotalReserves,
)
// Pricefeed module genesis state
pricefeedGS := pricefeedtypes.GenesisState{
Params: pricefeedtypes.Params{
Markets: []pricefeedtypes.Market{
{MarketID: "usdx:usd", BaseAsset: "usdx", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
{MarketID: "kava:usd", BaseAsset: "kava", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
},
},
PostedPrices: []pricefeedtypes.PostedPrice{
{
MarketID: "usdx:usd",
OracleAddress: sdk.AccAddress{},
Price: sdk.MustNewDecFromStr("1.00"),
Expiry: time.Now().Add(1 * time.Hour),
},
{
MarketID: "kava:usd",
OracleAddress: sdk.AccAddress{},
Price: sdk.MustNewDecFromStr("2.00"),
Expiry: time.Now().Add(1 * time.Hour),
},
},
}
// Initialize test application
tApp.InitializeFromGenesisStates(
authGS,
app.GenesisState{pricefeedtypes.ModuleName: tApp.AppCodec().MustMarshalJSON(&pricefeedGS)},
app.GenesisState{types.ModuleName: tApp.AppCodec().MustMarshalJSON(&hardGS)},
)
keeper := tApp.GetHardKeeper()
suite.app = tApp
suite.ctx = ctx
suite.keeper = keeper
var err error
// Run BeginBlocker once to transition MoneyMarkets
hard.BeginBlocker(suite.ctx, suite.keeper)
// Setup borrower with some collateral to borrow against, and some reserve in the protocol.
depositCoins := sdk.NewCoins(
sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF)),
sdk.NewCoin("usdx", sdkmath.NewInt(100*USDX_CF)),
)
err = suite.keeper.Deposit(suite.ctx, borrower, depositCoins)
suite.Require().NoError(err)
initialBorrowCoins := sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(70*KAVA_CF)))
err = suite.keeper.Borrow(suite.ctx, borrower, initialBorrowCoins)
suite.Require().NoError(err)
runAtTime := suite.ctx.BlockTime().Add(blockDuration)
suite.ctx = suite.ctx.WithBlockTime(runAtTime)
hard.BeginBlocker(suite.ctx, suite.keeper)
repayCoins := sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(100*KAVA_CF))) // repay everything including accumulated interest
err = suite.keeper.Repay(suite.ctx, borrower, borrower, repayCoins)
suite.Require().NoError(err)
// Get the total borrowable amount from the protocol, taking into account the reserves.
modAccBalance := suite.getAccountCoins(suite.getModuleAccountAtCtx(types.ModuleAccountName, suite.ctx))
reserves, found := suite.keeper.GetTotalReserves(suite.ctx)
suite.Require().True(found)
availableToBorrow := modAccBalance.Sub(reserves...)
// Test borrowing one over the available amount (try to borrow from the reserves)
err = suite.keeper.Borrow(
suite.ctx,
borrower,
sdk.NewCoins(sdk.NewCoin("ukava", availableToBorrow.AmountOf("ukava").Add(sdk.OneInt()))),
)
suite.Require().Error(err)
// Test borrowing exactly the limit
err = suite.keeper.Borrow(
suite.ctx,
borrower,
sdk.NewCoins(sdk.NewCoin("ukava", availableToBorrow.AmountOf("ukava"))),
)
suite.Require().NoError(err)
// now that it's all that you can borrow, we shouldn't be able to borrow anything
err = suite.keeper.Borrow(
suite.ctx,
borrower,
sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(2*USDX_CF))),
)
suite.Require().Error(err)
suite.Require().ErrorContains(err, "available to borrow: exceeds module account balance")
suite.ctx = suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(blockDuration))
hard.BeginBlocker(suite.ctx, suite.keeper)
// Should error since ukava has become insolvent at this point
err = suite.keeper.Borrow(
suite.ctx,
borrower,
sdk.NewCoins(sdk.NewCoin("ukava", availableToBorrow.AmountOf("ukava"))),
)
suite.Require().Error(err)
suite.Require().ErrorContains(err, "protocol reserves exceed available cash")
suite.ctx = suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(blockDuration))
hard.BeginBlocker(suite.ctx, suite.keeper)
err = suite.keeper.Borrow(
suite.ctx,
borrower,
sdk.NewCoins(sdk.NewCoin("usdx", sdkmath.NewInt(25*USDX_CF))),
)
suite.Require().NoError(err)
}
func (suite *KeeperTestSuite) TestFilterCoinsByDenoms() {
type args struct {
coins sdk.Coins
filterByCoins sdk.Coins
}
tests := []struct {
name string
args args
want sdk.Coins
}{
{
name: "more coins than filtered coins",
args: args{
coins: sdk.NewCoins(
sdk.NewCoin("ukava", sdkmath.NewInt(1000*KAVA_CF)),
sdk.NewCoin("usdx", sdkmath.NewInt(200*USDX_CF)),
sdk.NewCoin("busd", sdkmath.NewInt(100*BUSD_CF)),
),
filterByCoins: sdk.NewCoins(
sdk.NewCoin("usdx", sdkmath.NewInt(25*USDX_CF)),
sdk.NewCoin("ukava", sdkmath.NewInt(25*KAVA_CF)),
),
},
want: sdk.NewCoins(
sdk.NewCoin("usdx", sdkmath.NewInt(200*USDX_CF)),
sdk.NewCoin("ukava", sdkmath.NewInt(1000*KAVA_CF)),
),
},
{
name: "less coins than filtered coins",
args: args{
coins: sdk.NewCoins(
sdk.NewCoin("ukava", sdkmath.NewInt(1000*KAVA_CF)),
),
filterByCoins: sdk.NewCoins(
sdk.NewCoin("usdx", sdkmath.NewInt(25*USDX_CF)),
sdk.NewCoin("ukava", sdkmath.NewInt(25*KAVA_CF)),
),
},
want: sdk.NewCoins(
sdk.NewCoin("ukava", sdkmath.NewInt(1000*KAVA_CF)),
),
},
{
name: "no filter coins ",
args: args{
coins: sdk.NewCoins(
sdk.NewCoin("ukava", sdkmath.NewInt(1000*KAVA_CF)),
),
filterByCoins: sdk.NewCoins(),
},
want: sdk.NewCoins(),
},
{
name: "no coins ",
args: args{
coins: sdk.NewCoins(),
filterByCoins: sdk.NewCoins(
sdk.NewCoin("usdx", sdkmath.NewInt(25*USDX_CF))),
},
want: sdk.NewCoins(),
},
}
for _, tt := range tests {
suite.Run(tt.name, func() {
got := keeper.FilterCoinsByDenoms(tt.args.coins, tt.args.filterByCoins)
suite.Require().Equal(tt.want, got)
})
}
}
Reference in New Issue View Git Blame Copy Permalink