2020-10-30 09:59:47 +00:00
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package keeper_test
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import (
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"strings"
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"time"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/tendermint/tendermint/crypto"
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2022-01-08 00:39:27 +00:00
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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2020-10-30 09:59:47 +00:00
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tmtime "github.com/tendermint/tendermint/types/time"
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"github.com/kava-labs/kava/app"
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2020-12-21 17:18:55 +00:00
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"github.com/kava-labs/kava/x/hard"
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"github.com/kava-labs/kava/x/hard/types"
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2022-01-08 00:39:27 +00:00
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pricefeedtypes "github.com/kava-labs/kava/x/pricefeed/types"
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2020-11-05 17:36:49 +00:00
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)
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const (
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USDX_CF = 1000000
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KAVA_CF = 1000000
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BTCB_CF = 100000000
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2020-11-09 21:52:08 +00:00
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BNB_CF = 100000000
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BUSD_CF = 100000000
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2020-10-30 09:59:47 +00:00
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)
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func (suite *KeeperTestSuite) TestBorrow() {
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type args struct {
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2020-11-12 15:50:54 +00:00
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usdxBorrowLimit sdk.Dec
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2020-11-05 17:36:49 +00:00
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priceKAVA sdk.Dec
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loanToValueKAVA sdk.Dec
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priceBTCB sdk.Dec
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loanToValueBTCB sdk.Dec
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2020-11-09 21:52:08 +00:00
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priceBNB sdk.Dec
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loanToValueBNB sdk.Dec
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2020-10-30 09:59:47 +00:00
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borrower sdk.AccAddress
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2020-11-05 17:36:49 +00:00
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depositCoins []sdk.Coin
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2020-11-09 21:52:08 +00:00
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previousBorrowCoins sdk.Coins
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2020-11-05 17:36:49 +00:00
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borrowCoins sdk.Coins
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2020-10-30 09:59:47 +00:00
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expectedAccountBalance sdk.Coins
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expectedModAccountBalance sdk.Coins
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}
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type errArgs struct {
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expectPass bool
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contains string
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}
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type borrowTest struct {
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name string
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args args
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errArgs errArgs
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}
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testCases := []borrowTest{
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{
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"valid",
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args{
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2020-11-12 15:50:54 +00:00
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usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
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2020-11-05 17:36:49 +00:00
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priceKAVA: sdk.MustNewDecFromStr("5.00"),
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loanToValueKAVA: sdk.MustNewDecFromStr("0.6"),
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priceBTCB: sdk.MustNewDecFromStr("0.00"),
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loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
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2020-11-09 21:52:08 +00:00
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priceBNB: sdk.MustNewDecFromStr("0.00"),
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loanToValueBNB: sdk.MustNewDecFromStr("0.01"),
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2020-10-30 09:59:47 +00:00
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borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
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2020-11-05 17:36:49 +00:00
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depositCoins: []sdk.Coin{sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))},
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2020-11-09 21:52:08 +00:00
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previousBorrowCoins: sdk.NewCoins(),
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2020-11-05 17:36:49 +00:00
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borrowCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(20*KAVA_CF))),
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2020-11-11 08:57:14 +00:00
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expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(20*KAVA_CF)), sdk.NewCoin("btcb", sdk.NewInt(100*BTCB_CF)), sdk.NewCoin("bnb", sdk.NewInt(100*BNB_CF)), sdk.NewCoin("xyz", sdk.NewInt(1))),
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2020-11-09 21:52:08 +00:00
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expectedModAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(1080*KAVA_CF)), sdk.NewCoin("usdx", sdk.NewInt(200*USDX_CF)), sdk.NewCoin("busd", sdk.NewInt(100*BUSD_CF))),
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2020-10-30 09:59:47 +00:00
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},
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errArgs{
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expectPass: true,
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contains: "",
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},
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},
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2020-11-03 09:46:08 +00:00
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{
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2020-11-05 17:36:49 +00:00
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"invalid: loan-to-value limited",
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2020-11-03 09:46:08 +00:00
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args{
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usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
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priceKAVA: sdk.MustNewDecFromStr("5.00"),
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loanToValueKAVA: sdk.MustNewDecFromStr("0.6"),
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priceBTCB: sdk.MustNewDecFromStr("0.00"),
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loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
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2020-11-09 21:52:08 +00:00
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priceBNB: sdk.MustNewDecFromStr("0.00"),
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loanToValueBNB: sdk.MustNewDecFromStr("0.01"),
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2020-11-03 09:46:08 +00:00
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borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
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2020-11-05 17:36:49 +00:00
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depositCoins: []sdk.Coin{sdk.NewCoin("ukava", sdk.NewInt(20*KAVA_CF))}, // 20 KAVA x $5.00 price = $100
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borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(61*USDX_CF))), // 61 USDX x $1 price = $61
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2020-11-09 21:52:08 +00:00
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expectedAccountBalance: sdk.NewCoins(),
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expectedModAccountBalance: sdk.NewCoins(),
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2020-11-05 17:36:49 +00:00
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},
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errArgs{
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expectPass: false,
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2020-12-08 13:28:01 +00:00
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contains: "exceeds the allowable amount as determined by the collateralization ratio",
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2020-11-05 17:36:49 +00:00
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},
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},
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{
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"valid: multiple deposits",
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args{
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2020-11-12 15:50:54 +00:00
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usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
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priceKAVA: sdk.MustNewDecFromStr("2.00"),
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loanToValueKAVA: sdk.MustNewDecFromStr("0.80"),
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priceBTCB: sdk.MustNewDecFromStr("10000.00"),
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loanToValueBTCB: sdk.MustNewDecFromStr("0.10"),
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2020-11-09 21:52:08 +00:00
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priceBNB: sdk.MustNewDecFromStr("0.00"),
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loanToValueBNB: sdk.MustNewDecFromStr("0.01"),
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2020-11-05 17:36:49 +00:00
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borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
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2020-12-18 16:05:21 +00:00
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depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(50*KAVA_CF)), sdk.NewCoin("btcb", sdk.NewInt(0.1*BTCB_CF))),
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2020-11-05 17:36:49 +00:00
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borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(180*USDX_CF))),
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2020-11-11 08:57:14 +00:00
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expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(50*KAVA_CF)), sdk.NewCoin("btcb", sdk.NewInt(99.9*BTCB_CF)), sdk.NewCoin("usdx", sdk.NewInt(180*USDX_CF)), sdk.NewCoin("bnb", sdk.NewInt(100*BNB_CF)), sdk.NewCoin("xyz", sdk.NewInt(1))),
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2020-11-09 21:52:08 +00:00
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expectedModAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(1050*KAVA_CF)), sdk.NewCoin("usdx", sdk.NewInt(20*USDX_CF)), sdk.NewCoin("btcb", sdk.NewInt(0.1*BTCB_CF)), sdk.NewCoin("busd", sdk.NewInt(100*BUSD_CF))),
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2020-11-05 17:36:49 +00:00
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},
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errArgs{
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expectPass: true,
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contains: "",
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},
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},
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{
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"invalid: multiple deposits",
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args{
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2020-11-12 15:50:54 +00:00
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usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
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2020-11-05 17:36:49 +00:00
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priceKAVA: sdk.MustNewDecFromStr("2.00"),
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loanToValueKAVA: sdk.MustNewDecFromStr("0.80"),
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priceBTCB: sdk.MustNewDecFromStr("10000.00"),
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loanToValueBTCB: sdk.MustNewDecFromStr("0.10"),
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2020-11-09 21:52:08 +00:00
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priceBNB: sdk.MustNewDecFromStr("0.00"),
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loanToValueBNB: sdk.MustNewDecFromStr("0.01"),
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2020-11-05 17:36:49 +00:00
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borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
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2020-12-18 16:05:21 +00:00
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depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(50*KAVA_CF)), sdk.NewCoin("btcb", sdk.NewInt(0.1*BTCB_CF))),
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2020-11-05 17:36:49 +00:00
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borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(181*USDX_CF))),
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2020-11-09 21:52:08 +00:00
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expectedAccountBalance: sdk.NewCoins(),
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expectedModAccountBalance: sdk.NewCoins(),
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2020-11-03 09:46:08 +00:00
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},
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errArgs{
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expectPass: false,
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2020-12-08 13:28:01 +00:00
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contains: "exceeds the allowable amount as determined by the collateralization ratio",
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2020-11-03 09:46:08 +00:00
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},
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},
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2020-11-09 21:52:08 +00:00
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{
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"valid: multiple previous borrows",
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args{
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2020-11-12 15:50:54 +00:00
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usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
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2020-11-09 21:52:08 +00:00
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priceKAVA: sdk.MustNewDecFromStr("2.00"),
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loanToValueKAVA: sdk.MustNewDecFromStr("0.8"),
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priceBTCB: sdk.MustNewDecFromStr("0.00"),
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loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
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priceBNB: sdk.MustNewDecFromStr("5.00"),
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loanToValueBNB: sdk.MustNewDecFromStr("0.8"),
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borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
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2020-12-18 16:05:21 +00:00
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depositCoins: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(30*BNB_CF)), sdk.NewCoin("ukava", sdk.NewInt(50*KAVA_CF))), // (50 KAVA x $2.00 price = $100) + (30 BNB x $5.00 price = $150) = $250
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2020-11-09 21:52:08 +00:00
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previousBorrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(99*USDX_CF)), sdk.NewCoin("busd", sdk.NewInt(100*BUSD_CF))),
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borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(1*USDX_CF))),
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2020-11-11 08:57:14 +00:00
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expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(50*KAVA_CF)), sdk.NewCoin("btcb", sdk.NewInt(100*BTCB_CF)), sdk.NewCoin("usdx", sdk.NewInt(100*USDX_CF)), sdk.NewCoin("busd", sdk.NewInt(100*BUSD_CF)), sdk.NewCoin("bnb", sdk.NewInt(70*BNB_CF)), sdk.NewCoin("xyz", sdk.NewInt(1))),
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2020-11-09 21:52:08 +00:00
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expectedModAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(1050*KAVA_CF)), sdk.NewCoin("bnb", sdk.NewInt(30*BUSD_CF)), sdk.NewCoin("usdx", sdk.NewInt(100*USDX_CF))),
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},
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errArgs{
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expectPass: true,
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contains: "",
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},
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},
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{
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"invalid: over loan-to-value with multiple previous borrows",
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args{
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2020-11-12 15:50:54 +00:00
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usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
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2020-11-09 21:52:08 +00:00
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priceKAVA: sdk.MustNewDecFromStr("2.00"),
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loanToValueKAVA: sdk.MustNewDecFromStr("0.8"),
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priceBTCB: sdk.MustNewDecFromStr("0.00"),
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loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
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priceBNB: sdk.MustNewDecFromStr("5.00"),
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loanToValueBNB: sdk.MustNewDecFromStr("0.8"),
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borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
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2020-12-18 16:05:21 +00:00
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depositCoins: sdk.NewCoins(sdk.NewCoin("bnb", sdk.NewInt(30*BNB_CF)), sdk.NewCoin("ukava", sdk.NewInt(50*KAVA_CF))), // (50 KAVA x $2.00 price = $100) + (30 BNB x $5.00 price = $150) = $250
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2020-11-09 21:52:08 +00:00
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previousBorrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(100*USDX_CF)), sdk.NewCoin("busd", sdk.NewInt(100*BUSD_CF))),
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borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(1*USDX_CF))),
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expectedAccountBalance: sdk.NewCoins(),
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expectedModAccountBalance: sdk.NewCoins(),
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},
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errArgs{
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expectPass: false,
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2020-12-08 13:28:01 +00:00
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contains: "exceeds the allowable amount as determined by the collateralization ratio",
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2020-11-09 21:52:08 +00:00
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},
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},
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2020-11-11 08:57:14 +00:00
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{
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"invalid: no price for asset",
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args{
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2020-11-12 15:50:54 +00:00
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usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
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2020-11-11 08:57:14 +00:00
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priceKAVA: sdk.MustNewDecFromStr("5.00"),
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loanToValueKAVA: sdk.MustNewDecFromStr("0.6"),
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priceBTCB: sdk.MustNewDecFromStr("0.00"),
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loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
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priceBNB: sdk.MustNewDecFromStr("0.00"),
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loanToValueBNB: sdk.MustNewDecFromStr("0.01"),
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borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
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2020-12-18 16:05:21 +00:00
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depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
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2020-11-11 08:57:14 +00:00
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previousBorrowCoins: sdk.NewCoins(),
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borrowCoins: sdk.NewCoins(sdk.NewCoin("xyz", sdk.NewInt(1))),
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expectedAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(20*KAVA_CF)), sdk.NewCoin("btcb", sdk.NewInt(100*BTCB_CF)), sdk.NewCoin("bnb", sdk.NewInt(100*BNB_CF)), sdk.NewCoin("xyz", sdk.NewInt(1))),
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expectedModAccountBalance: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(1080*KAVA_CF)), sdk.NewCoin("usdx", sdk.NewInt(200*USDX_CF)), sdk.NewCoin("busd", sdk.NewInt(100*BUSD_CF))),
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},
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errArgs{
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expectPass: false,
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contains: "no price found for market",
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},
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},
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2020-11-11 15:05:17 +00:00
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{
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"invalid: borrow exceed module account balance",
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args{
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2020-11-12 15:50:54 +00:00
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usdxBorrowLimit: sdk.MustNewDecFromStr("100000000000"),
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2020-11-11 15:05:17 +00:00
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priceKAVA: sdk.MustNewDecFromStr("2.00"),
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loanToValueKAVA: sdk.MustNewDecFromStr("0.8"),
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priceBTCB: sdk.MustNewDecFromStr("0.00"),
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loanToValueBTCB: sdk.MustNewDecFromStr("0.01"),
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priceBNB: sdk.MustNewDecFromStr("0.00"),
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loanToValueBNB: sdk.MustNewDecFromStr("0.01"),
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borrower: sdk.AccAddress(crypto.AddressHash([]byte("test"))),
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2020-12-18 16:05:21 +00:00
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depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF))),
|
2020-11-11 15:05:17 +00:00
|
|
|
previousBorrowCoins: sdk.NewCoins(),
|
|
|
|
|
borrowCoins: sdk.NewCoins(sdk.NewCoin("busd", sdk.NewInt(101*BUSD_CF))),
|
|
|
|
|
expectedAccountBalance: sdk.NewCoins(),
|
|
|
|
|
expectedModAccountBalance: sdk.NewCoins(),
|
|
|
|
|
},
|
|
|
|
|
errArgs{
|
|
|
|
|
expectPass: false,
|
2021-02-16 14:45:57 +00:00
|
|
|
contains: "exceeds borrowable module account balance",
|
2020-11-11 15:05:17 +00:00
|
|
|
},
|
|
|
|
|
},
|
2020-11-12 15:50:54 +00:00
|
|
|
{
|
|
|
|
|
"invalid: over global asset borrow limit",
|
|
|
|
|
args{
|
|
|
|
|
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"))),
|
2020-12-18 16:05:21 +00:00
|
|
|
depositCoins: sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(50*KAVA_CF))),
|
2020-11-12 15:50:54 +00:00
|
|
|
previousBorrowCoins: sdk.NewCoins(),
|
|
|
|
|
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(25*USDX_CF))),
|
|
|
|
|
expectedAccountBalance: sdk.NewCoins(),
|
|
|
|
|
expectedModAccountBalance: sdk.NewCoins(),
|
|
|
|
|
},
|
|
|
|
|
errArgs{
|
|
|
|
|
expectPass: false,
|
|
|
|
|
contains: "fails global asset borrow limit validation",
|
|
|
|
|
},
|
|
|
|
|
},
|
2021-02-12 15:28:05 +00:00
|
|
|
{
|
|
|
|
|
"invalid: borrowing an individual coin type results in a borrow that's under the minimum USD borrow limit",
|
|
|
|
|
args{
|
|
|
|
|
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", sdk.NewInt(50*KAVA_CF))),
|
|
|
|
|
previousBorrowCoins: sdk.NewCoins(),
|
|
|
|
|
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(5*USDX_CF))),
|
|
|
|
|
expectedAccountBalance: sdk.NewCoins(),
|
|
|
|
|
expectedModAccountBalance: sdk.NewCoins(),
|
|
|
|
|
},
|
|
|
|
|
errArgs{
|
|
|
|
|
expectPass: false,
|
|
|
|
|
contains: "below the minimum borrow limit",
|
|
|
|
|
},
|
|
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"invalid: borrowing multiple coins results in a borrow that's under the minimum USD borrow limit",
|
|
|
|
|
args{
|
|
|
|
|
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", sdk.NewInt(50*KAVA_CF))),
|
|
|
|
|
previousBorrowCoins: sdk.NewCoins(),
|
|
|
|
|
borrowCoins: sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(5*USDX_CF)), sdk.NewCoin("ukava", sdk.NewInt(2*USDX_CF))),
|
|
|
|
|
expectedAccountBalance: sdk.NewCoins(),
|
|
|
|
|
expectedModAccountBalance: sdk.NewCoins(),
|
|
|
|
|
},
|
|
|
|
|
errArgs{
|
|
|
|
|
expectPass: false,
|
|
|
|
|
contains: "below the minimum borrow limit",
|
|
|
|
|
},
|
|
|
|
|
},
|
2020-10-30 09:59:47 +00:00
|
|
|
}
|
|
|
|
|
for _, tc := range testCases {
|
|
|
|
|
suite.Run(tc.name, func() {
|
|
|
|
|
// Initialize test app and set context
|
|
|
|
|
tApp := app.NewTestApp()
|
2022-01-08 00:39:27 +00:00
|
|
|
ctx := tApp.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
|
2020-11-05 17:36:49 +00:00
|
|
|
|
|
|
|
|
// Auth module genesis state
|
2022-01-08 00:39:27 +00:00
|
|
|
authGS := app.NewFundedGenStateWithCoins(
|
|
|
|
|
tApp.AppCodec(),
|
|
|
|
|
[]sdk.Coins{
|
|
|
|
|
sdk.NewCoins(
|
|
|
|
|
sdk.NewCoin("ukava", sdk.NewInt(100*KAVA_CF)),
|
|
|
|
|
sdk.NewCoin("btcb", sdk.NewInt(100*BTCB_CF)),
|
|
|
|
|
sdk.NewCoin("bnb", sdk.NewInt(100*BNB_CF)),
|
|
|
|
|
sdk.NewCoin("xyz", sdk.NewInt(1)),
|
|
|
|
|
),
|
|
|
|
|
},
|
2020-10-30 09:59:47 +00:00
|
|
|
[]sdk.AccAddress{tc.args.borrower},
|
2022-01-08 00:39:27 +00:00
|
|
|
)
|
2020-11-05 17:36:49 +00:00
|
|
|
|
2020-12-21 17:18:55 +00:00
|
|
|
// hard module genesis state
|
|
|
|
|
hardGS := types.NewGenesisState(types.NewParams(
|
2020-10-30 09:59:47 +00:00
|
|
|
types.MoneyMarkets{
|
2021-02-10 14:59:23 +00:00
|
|
|
types.NewMoneyMarket("usdx", types.NewBorrowLimit(true, tc.args.usdxBorrowLimit, sdk.MustNewDecFromStr("1")), "usdx:usd", sdk.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", sdk.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.args.loanToValueKAVA), "kava:usd", sdk.NewInt(KAVA_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("btcb", types.NewBorrowLimit(false, sdk.NewDec(100000000*BTCB_CF), tc.args.loanToValueBTCB), "btcb:usd", sdk.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.args.loanToValueBNB), "bnb:usd", sdk.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.args.loanToValueBNB), "xyz:usd", sdk.NewInt(1), types.NewInterestRateModel(sdk.MustNewDecFromStr("0.05"), sdk.MustNewDecFromStr("2"), sdk.MustNewDecFromStr("0.8"), sdk.MustNewDecFromStr("10")), sdk.MustNewDecFromStr("0.05"), sdk.ZeroDec()),
|
2020-10-30 09:59:47 +00:00
|
|
|
},
|
2021-02-12 15:28:05 +00:00
|
|
|
sdk.NewDec(10),
|
2021-01-23 05:17:40 +00:00
|
|
|
), types.DefaultAccumulationTimes, types.DefaultDeposits, types.DefaultBorrows,
|
|
|
|
|
types.DefaultTotalSupplied, types.DefaultTotalBorrowed, types.DefaultTotalReserves,
|
|
|
|
|
)
|
2020-11-05 17:36:49 +00:00
|
|
|
|
|
|
|
|
// Pricefeed module genesis state
|
2022-01-08 00:39:27 +00:00
|
|
|
pricefeedGS := pricefeedtypes.GenesisState{
|
|
|
|
|
Params: pricefeedtypes.Params{
|
|
|
|
|
Markets: []pricefeedtypes.Market{
|
2020-11-09 21:52:08 +00:00
|
|
|
{MarketID: "usdx:usd", BaseAsset: "usdx", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
|
|
|
|
|
{MarketID: "busd:usd", BaseAsset: "busd", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
|
2020-11-05 17:36:49 +00:00
|
|
|
{MarketID: "kava:usd", BaseAsset: "kava", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
|
|
|
|
|
{MarketID: "btcb:usd", BaseAsset: "btcb", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
|
2020-11-09 21:52:08 +00:00
|
|
|
{MarketID: "bnb:usd", BaseAsset: "bnb", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
|
2020-11-11 08:57:14 +00:00
|
|
|
{MarketID: "xyz:usd", BaseAsset: "xyz", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
|
2020-11-05 17:36:49 +00:00
|
|
|
},
|
|
|
|
|
},
|
2022-01-08 00:39:27 +00:00
|
|
|
PostedPrices: []pricefeedtypes.PostedPrice{
|
2020-11-05 17:36:49 +00:00
|
|
|
{
|
|
|
|
|
MarketID: "usdx:usd",
|
|
|
|
|
OracleAddress: sdk.AccAddress{},
|
|
|
|
|
Price: sdk.MustNewDecFromStr("1.00"),
|
|
|
|
|
Expiry: time.Now().Add(1 * time.Hour),
|
|
|
|
|
},
|
2020-11-09 21:52:08 +00:00
|
|
|
{
|
|
|
|
|
MarketID: "busd:usd",
|
|
|
|
|
OracleAddress: sdk.AccAddress{},
|
|
|
|
|
Price: sdk.MustNewDecFromStr("1.00"),
|
|
|
|
|
Expiry: time.Now().Add(1 * time.Hour),
|
|
|
|
|
},
|
2020-11-05 17:36:49 +00:00
|
|
|
{
|
|
|
|
|
MarketID: "kava:usd",
|
|
|
|
|
OracleAddress: sdk.AccAddress{},
|
|
|
|
|
Price: tc.args.priceKAVA,
|
|
|
|
|
Expiry: time.Now().Add(1 * time.Hour),
|
|
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
MarketID: "btcb:usd",
|
|
|
|
|
OracleAddress: sdk.AccAddress{},
|
|
|
|
|
Price: tc.args.priceBTCB,
|
|
|
|
|
Expiry: time.Now().Add(1 * time.Hour),
|
|
|
|
|
},
|
2020-11-09 21:52:08 +00:00
|
|
|
{
|
|
|
|
|
MarketID: "bnb:usd",
|
|
|
|
|
OracleAddress: sdk.AccAddress{},
|
|
|
|
|
Price: tc.args.priceBNB,
|
|
|
|
|
Expiry: time.Now().Add(1 * time.Hour),
|
|
|
|
|
},
|
2020-11-05 17:36:49 +00:00
|
|
|
},
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Initialize test application
|
|
|
|
|
tApp.InitializeFromGenesisStates(authGS,
|
2022-01-08 00:39:27 +00:00
|
|
|
app.GenesisState{pricefeedtypes.ModuleName: tApp.AppCodec().MustMarshalJSON(&pricefeedGS)},
|
|
|
|
|
app.GenesisState{types.ModuleName: tApp.AppCodec().MustMarshalJSON(&hardGS)})
|
2020-11-05 17:36:49 +00:00
|
|
|
|
2020-12-21 17:18:55 +00:00
|
|
|
// Mint coins to hard module account
|
2022-01-08 00:39:27 +00:00
|
|
|
bankKeeper := tApp.GetBankKeeper()
|
2020-12-21 17:18:55 +00:00
|
|
|
hardMaccCoins := sdk.NewCoins(sdk.NewCoin("ukava", sdk.NewInt(1000*KAVA_CF)),
|
2020-11-09 21:52:08 +00:00
|
|
|
sdk.NewCoin("usdx", sdk.NewInt(200*USDX_CF)), sdk.NewCoin("busd", sdk.NewInt(100*BUSD_CF)))
|
2022-01-08 00:39:27 +00:00
|
|
|
err := bankKeeper.MintCoins(ctx, types.ModuleAccountName, hardMaccCoins)
|
|
|
|
|
suite.Require().NoError(err)
|
2020-11-05 17:36:49 +00:00
|
|
|
|
2020-12-21 17:18:55 +00:00
|
|
|
keeper := tApp.GetHardKeeper()
|
2020-10-30 09:59:47 +00:00
|
|
|
suite.app = tApp
|
|
|
|
|
suite.ctx = ctx
|
|
|
|
|
suite.keeper = keeper
|
|
|
|
|
|
2020-12-16 21:08:29 +00:00
|
|
|
// Run BeginBlocker once to transition MoneyMarkets
|
2020-12-21 17:18:55 +00:00
|
|
|
hard.BeginBlocker(suite.ctx, suite.keeper)
|
2020-12-16 21:08:29 +00:00
|
|
|
|
2020-12-18 16:05:21 +00:00
|
|
|
err = suite.keeper.Deposit(suite.ctx, tc.args.borrower, tc.args.depositCoins)
|
|
|
|
|
suite.Require().NoError(err)
|
2020-11-03 09:46:08 +00:00
|
|
|
|
2020-11-09 21:52:08 +00:00
|
|
|
// Execute user's previous borrows
|
|
|
|
|
err = suite.keeper.Borrow(suite.ctx, tc.args.borrower, tc.args.previousBorrowCoins)
|
2020-11-12 15:50:54 +00:00
|
|
|
if tc.args.previousBorrowCoins.IsZero() {
|
|
|
|
|
suite.Require().True(strings.Contains(err.Error(), "cannot borrow zero coins"))
|
|
|
|
|
} else {
|
|
|
|
|
suite.Require().NoError(err)
|
|
|
|
|
}
|
2020-11-09 21:52:08 +00:00
|
|
|
|
|
|
|
|
// Now that our state is properly set up, execute the last borrow
|
2020-11-05 17:36:49 +00:00
|
|
|
err = suite.keeper.Borrow(suite.ctx, tc.args.borrower, tc.args.borrowCoins)
|
2020-10-30 09:59:47 +00:00
|
|
|
|
|
|
|
|
if tc.errArgs.expectPass {
|
|
|
|
|
suite.Require().NoError(err)
|
2020-11-05 17:36:49 +00:00
|
|
|
|
|
|
|
|
// Check borrower balance
|
2020-10-30 09:59:47 +00:00
|
|
|
acc := suite.getAccount(tc.args.borrower)
|
2022-01-08 00:39:27 +00:00
|
|
|
suite.Require().Equal(tc.args.expectedAccountBalance, suite.getAccountCoins(acc))
|
2020-11-05 17:36:49 +00:00
|
|
|
|
|
|
|
|
// Check module account balance
|
2020-10-30 09:59:47 +00:00
|
|
|
mAcc := suite.getModuleAccount(types.ModuleAccountName)
|
2022-01-08 00:39:27 +00:00
|
|
|
suite.Require().Equal(tc.args.expectedModAccountBalance, suite.getAccountCoins(mAcc))
|
2020-11-05 17:36:49 +00:00
|
|
|
|
|
|
|
|
// Check that borrow struct is in store
|
2020-10-30 09:59:47 +00:00
|
|
|
_, f := suite.keeper.GetBorrow(suite.ctx, tc.args.borrower)
|
|
|
|
|
suite.Require().True(f)
|
|
|
|
|
} else {
|
|
|
|
|
suite.Require().Error(err)
|
|
|
|
|
suite.Require().True(strings.Contains(err.Error(), tc.errArgs.contains))
|
|
|
|
|
}
|
|
|
|
|
})
|
|
|
|
|
}
|
|
|
|
|
}
|
2021-03-09 19:11:13 +00:00
|
|
|
|
|
|
|
|
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", sdk.NewInt(1000*KAVA_CF)),
|
|
|
|
|
sdk.NewCoin("usdx", sdk.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()
|
2022-01-08 00:39:27 +00:00
|
|
|
ctx := tApp.NewContext(true, tmproto.Header{Height: 1, Time: tmtime.Now()})
|
2021-03-09 19:11:13 +00:00
|
|
|
|
|
|
|
|
// Auth module genesis state
|
2022-01-08 00:39:27 +00:00
|
|
|
authGS := app.NewFundedGenStateWithSameCoins(
|
|
|
|
|
tApp.AppCodec(),
|
|
|
|
|
initialBorrowerBalance,
|
2021-03-09 19:11:13 +00:00
|
|
|
[]sdk.AccAddress{borrower},
|
2022-01-08 00:39:27 +00:00
|
|
|
)
|
2021-03-09 19:11:13 +00:00
|
|
|
|
|
|
|
|
// 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
|
|
|
|
|
sdk.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
|
|
|
|
|
sdk.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
|
2022-01-08 00:39:27 +00:00
|
|
|
pricefeedGS := pricefeedtypes.GenesisState{
|
|
|
|
|
Params: pricefeedtypes.Params{
|
|
|
|
|
Markets: []pricefeedtypes.Market{
|
2021-03-09 19:11:13 +00:00
|
|
|
{MarketID: "usdx:usd", BaseAsset: "usdx", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
|
|
|
|
|
{MarketID: "kava:usd", BaseAsset: "kava", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
|
|
|
|
|
},
|
|
|
|
|
},
|
2022-01-08 00:39:27 +00:00
|
|
|
PostedPrices: []pricefeedtypes.PostedPrice{
|
2021-03-09 19:11:13 +00:00
|
|
|
{
|
|
|
|
|
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,
|
2022-01-08 00:39:27 +00:00
|
|
|
app.GenesisState{pricefeedtypes.ModuleName: tApp.AppCodec().MustMarshalJSON(&pricefeedGS)},
|
|
|
|
|
app.GenesisState{types.ModuleName: tApp.AppCodec().MustMarshalJSON(&hardGS)},
|
2021-03-09 19:11:13 +00:00
|
|
|
)
|
|
|
|
|
|
|
|
|
|
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", sdk.NewInt(100*KAVA_CF)),
|
|
|
|
|
sdk.NewCoin("usdx", sdk.NewInt(100*USDX_CF)),
|
|
|
|
|
)
|
|
|
|
|
err = suite.keeper.Deposit(suite.ctx, borrower, depositCoins)
|
|
|
|
|
suite.Require().NoError(err)
|
|
|
|
|
|
|
|
|
|
initialBorrowCoins := sdk.NewCoins(sdk.NewCoin("ukava", sdk.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", sdk.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.
|
2022-01-08 00:39:27 +00:00
|
|
|
modAccBalance := suite.getAccountCoins(suite.getModuleAccountAtCtx(types.ModuleAccountName, suite.ctx))
|
2021-03-09 19:11:13 +00:00
|
|
|
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)
|
|
|
|
|
}
|
