How to use Start method of cdp Package

Best Rod code snippet using cdp.Start

keeper.go

Source:keeper.go

...25		auctionKeeper:  auctionKeeper,26		bankKeeper:     bankKeeper,27	}28}29// SeizeAndStartCollateralAuction pulls collateral out of a CDP and sells it in an auction for stable coin. Excess collateral goes to the original CDP owner.30// Known as Cat.bite in maker31// result: stable coin is transferred to module account, collateral is transferred from module account to buyer, (and any excess collateral is transferred to original CDP owner)32func (k Keeper) SeizeAndStartCollateralAuction(ctx sdk.Context, owner sdk.AccAddress, collateral types.Collateral) (auction.ID, sdk.Error) {33	// Get CDP34	var localCdp types.CDP35	var found bool36	switch collToken := collateral.Token.(type) {37	case cdp.BaseFT:38		localCdp, found = k.cdpKeeper.GetCDP(ctx, owner, collToken.GetName(), "")39	case cdp.BaseNFT:40		localCdp, found = k.cdpKeeper.GetCDP(ctx, owner, collToken.GetName(), collToken.ID)41	}42	if !found {43		return 0, sdk.ErrInternal("CDP not found")44	}45	// Calculate amount of collateral to sell in this auction46	params := k.GetParams(ctx).GetCollateralParams(localCdp.Collateral.Token.GetName())47	collateralToSell := sdk.MinInt(localCdp.Collateral.Amount, params.AuctionSize)48	// Calculate the corresponding maximum amount of stable coin to raise TODO test maths49	stableToRaise := sdk.NewDecFromInt(collateralToSell).Quo(sdk.NewDecFromInt(localCdp.Collateral.Amount)).Mul(sdk.NewDecFromInt(localCdp.Liquidity.Coin.Amount)).RoundInt()50	// Seize the collateral and debt from the CDP51	err := k.partialSeizeCDP(ctx, owner, collateral, collateralToSell, stableToRaise)52	if err != nil {53		return 0, err54	}55	// Start "forward reverse" auction type56	lot := sdk.NewCoin(localCdp.Collateral.Token.GetName(), collateralToSell)57	maxBid := sdk.NewCoin(k.cdpKeeper.GetStableDenom(), stableToRaise)58	auctionID, err := k.auctionKeeper.StartForwardReverseAuction(ctx, k.cdpKeeper.GetLiquidatorAccountAddress(), lot, maxBid, owner)59	if err != nil {60		panic(err) // TODO how can errors here be handled to be safe with the state update in PartialSeizeCDP?61	}62	return auctionID, nil63}64// StartDebtAuction sells off minted gov coin to raise set amounts of stable coin.65// Known as Vow.flop in maker66// result: minted gov coin moved to highest bidder, stable coin moved to moduleAccount67func (k Keeper) StartDebtAuction(ctx sdk.Context) (auction.ID, sdk.Error) {68	// Ensure amount of seized stable coin is 0 (ie Joy = 0)69	stableCoins := k.bankKeeper.GetCoins(ctx, k.cdpKeeper.GetLiquidatorAccountAddress()).AmountOf(k.cdpKeeper.GetStableDenom())70	if !stableCoins.IsZero() {71		return 0, sdk.ErrInternal("debt auction cannot be started as there is outstanding stable coins")72	}73	// check the seized debt is above a threshold74	params := k.GetParams(ctx)75	seizedDebt := k.GetSeizedDebt(ctx)76	if seizedDebt.Available().LT(params.DebtAuctionSize) {77		return 0, sdk.ErrInternal("not enough seized debt to start an auction")78	}79	// start reverse auction, selling minted gov coin for stable coin80	auctionID, err := k.auctionKeeper.StartReverseAuction(81		ctx,82		k.cdpKeeper.GetLiquidatorAccountAddress(),83		sdk.NewCoin(k.cdpKeeper.GetStableDenom(), params.DebtAuctionSize),84		sdk.NewInt64Coin(k.cdpKeeper.GetGovDenom(), 2^255-1), // TODO is there a way to avoid potentially minting infinite gov coin?85	)86	if err != nil {87		return 0, err88	}89	// Record amount of debt sent for auction. Debt can only be reduced in lock step with reducing stable coin90	seizedDebt.SentToAuction = seizedDebt.SentToAuction.Add(params.DebtAuctionSize)91	k.setSeizedDebt(ctx, seizedDebt)92	return auctionID, nil93}94// With no stability and liquidation fees, surplus auctions can never be run.95// StartSurplusAuction sells off excess stable coin in exchange for gov coin, which is burned96// Known as Vow.flap in maker97// result: stable coin removed from module account (eventually to buyer), gov coin transferred to module account98// func (k Keeper) StartSurplusAuction(ctx sdk.Context) (auction.ID, sdk.Error) {99// 	// TODO ensure seized debt is 0100// 	// check there is enough surplus to be sold101// 	surplus := k.bankKeeper.GetCoins(ctx, k.cdpKeeper.GetLiquidatorAccountAddress()).AmountOf(k.cdpKeeper.GetStableDenom())102// 	if surplus.LT(SurplusAuctionSize) {103// 		return 0, sdk.ErrInternal("not enough surplus stable coin to start an auction")104// 	}105// 	// start normal auction, selling stable coin106// 	auctionID, err := k.auctionKeeper.StartForwardAuction(107// 		ctx,108// 		k.cdpKeeper.GetLiquidatorAccountAddress(),109// 		sdk.NewCoin(k.cdpKeeper.GetStableDenom(), SurplusAuctionSize),110// 		sdk.NewInt64Coin(k.cdpKeeper.GetGovDenom(), 0),111// 	)112// 	if err != nil {113// 		return 0, err114// 	}115// 	// Starting the auction will remove coins from the account, so they don't need modified here.116// 	return auctionID, nil117// }118// PartialSeizeCDP seizes some collateral and debt from an under-collateralized CDP.119func (k Keeper) partialSeizeCDP(ctx sdk.Context, owner sdk.AccAddress, collateral types.Collateral, collateralToSeize sdk.Int, debtToSeize sdk.Int) sdk.Error { // aka Cat.bite120	// Seize debt and collateral in the cdp module. This also validates the inputs.121	err := k.cdpKeeper.PartialSeizeCDP(ctx, owner, collateral, collateralToSeize, debtToSeize)122	if err != nil {123		return err // cdp could be not found, or not under collateralized, or inputs invalid124	}125	// increment the total seized debt (Awe) by cdp.debt126	seizedDebt := k.GetSeizedDebt(ctx)127	seizedDebt.Total = seizedDebt.Total.Add(debtToSeize)128	k.setSeizedDebt(ctx, seizedDebt)129	// add cdp.collateral amount of coins to the moduleAccount (so they can be transferred to the auction later)...

rewards.go

Source:rewards.go

...12	if !found {13		k.SetPreviousCdpMintingAccrualTime(ctx, rewardPeriod.CollateralType, ctx.BlockTime())14		return nil15	}16	timeElapsed := CalculateTimeElapsed(rewardPeriod.Start, rewardPeriod.End, ctx.BlockTime(), previousAccrualTime)17	if timeElapsed.IsZero() {18		return nil19	}20	if rewardPeriod.RewardsPerSecond.Amount.IsZero() {21		k.SetPreviousCdpMintingAccrualTime(ctx, rewardPeriod.CollateralType, ctx.BlockTime())22		return nil23	}24	denoms, _ := k.GetGenesisDenoms(ctx)25	totalPrincipal := k.cdpKeeper.GetTotalPrincipal(ctx, rewardPeriod.CollateralType, denoms.PrincipalDenom).ToDec()26	if totalPrincipal.IsZero() {27		k.SetPreviousCdpMintingAccrualTime(ctx, rewardPeriod.CollateralType, ctx.BlockTime())28		return nil29	}30	newRewards := timeElapsed.Mul(rewardPeriod.RewardsPerSecond.Amount)...

keeper_test.go

Source:keeper_test.go

...6	sdk "github.com/cosmos/cosmos-sdk/types"7	"github.com/cosmos/cosmos-sdk/x/mock"8	"github.com/stretchr/testify/require"9)10func TestKeeper_SeizeAndStartCollateralAuction(t *testing.T) {11	// Setup12	ctx, k := setupTestKeepers()13	_, addrs := mock.GeneratePrivKeyAddressPairs(1)14	cdp.InitGenesis(ctx, k.cdpKeeper, cdp.DefaultGenesisState())15	InitGenesis(ctx, k.liquidatorKeeper, DefaultGenesisState())16	pricefeed.InitGenesis(ctx, k.pricefeedKeeper, pricefeed.GenesisState{Assets: []pricefeed.Asset{{"btc", "a description"}}})17	k.pricefeedKeeper.SetPrice(ctx, addrs[0], "btc", sdk.MustNewDecFromStr("8000.00"), i(999999999))18	k.pricefeedKeeper.SetCurrentPrices(ctx)19	k.bankKeeper.AddCoins(ctx, addrs[0], cs(c("btc", 100)))20	k.cdpKeeper.ModifyCDP(ctx, addrs[0], "btc", i(3), i(16000))21	k.pricefeedKeeper.SetPrice(ctx, addrs[0], "btc", sdk.MustNewDecFromStr("7999.99"), i(999999999))22	k.pricefeedKeeper.SetCurrentPrices(ctx)23	// Run test function24	auctionID, err := k.liquidatorKeeper.SeizeAndStartCollateralAuction(ctx, addrs[0], "btc")25	// Check CDP26	require.NoError(t, err)27	cdp, found := k.cdpKeeper.GetCDP(ctx, addrs[0], "btc")28	require.True(t, found)29	require.Equal(t, cdp.CollateralAmount, i(2)) // original amount - params.CollateralAuctionSize30	require.Equal(t, cdp.Debt, i(10667))         // original debt scaled by amount of collateral removed31	// Check auction exists32	_, found = k.auctionKeeper.GetAuction(ctx, auctionID)33	require.True(t, found)34	// TODO check auction values are correct?35}36func TestKeeper_StartDebtAuction(t *testing.T) {37	// Setup38	ctx, k := setupTestKeepers()39	InitGenesis(ctx, k.liquidatorKeeper, DefaultGenesisState())40	initSDebt := SeizedDebt{i(2000), i(0)}41	k.liquidatorKeeper.setSeizedDebt(ctx, initSDebt)42	// Execute43	auctionID, err := k.liquidatorKeeper.StartDebtAuction(ctx)44	// Check45	require.NoError(t, err)46	require.Equal(t,47		SeizedDebt{48			initSDebt.Total,49			initSDebt.SentToAuction.Add(k.liquidatorKeeper.GetParams(ctx).DebtAuctionSize),50		},51		k.liquidatorKeeper.GetSeizedDebt(ctx),52	)53	_, found := k.auctionKeeper.GetAuction(ctx, auctionID)54	require.True(t, found)55	// TODO check auction values are correct?56}57// func TestKeeper_StartSurplusAuction(t *testing.T) {58// 	// Setup59// 	ctx, k := setupTestKeepers()60// 	initSurplus := i(2000)61// 	k.liquidatorKeeper.bankKeeper.AddCoins(ctx, k.cdpKeeper.GetLiquidatorAccountAddress(), cs(sdk.NewCoin(k.cdpKeeper.GetStableDenom(), initSurplus)))62// 	k.liquidatorKeeper.setSeizedDebt(ctx, i(0))63// 	// Execute64// 	auctionID, err := k.liquidatorKeeper.StartSurplusAuction(ctx)65// 	// Check66// 	require.NoError(t, err)67// 	require.Equal(t,68// 		initSurplus.Sub(SurplusAuctionSize),69// 		k.liquidatorKeeper.bankKeeper.GetCoins(ctx,70// 			k.cdpKeeper.GetLiquidatorAccountAddress(),71// 		).AmountOf(k.cdpKeeper.GetStableDenom()),72// 	)73// 	_, found := k.auctionKeeper.GetAuction(ctx, auctionID)74// 	require.True(t, found)75// }76func TestKeeper_partialSeizeCDP(t *testing.T) {77	// Setup78	ctx, k := setupTestKeepers()...

Start

Using AI Code Generation

1import (2func main() {3    ctx, cancel := chromedp.NewContext(4        context.Background(),5        chromedp.WithLogf(log.Printf),6    defer cancel()7    err := chromedp.Run(ctx,8        chromedp.WaitVisible(`#hplogo`, chromedp.ByID),9        chromedp.OuterHTML(`html`, &res),10    if err != nil {11        log.Fatal(err)12    }13    fmt.Println(res)14}15import (16func main() {17    c, err := chromedp.New()18    if err != nil {19        log.Fatal(err)20    }21    defer c.Shutdown()22    err = c.Run(context.Background(), chromedp.Tasks{23        chromedp.WaitVisible(`#hplogo`, chromedp.ByID),24        chromedp.OuterHTML(`html`, &res),25    })26    if err != nil {27        log.Fatal(err)28    }29    fmt.Println(res)30}31import (32func main() {33    c, err := chromedp.New()34    if err != nil {35        log.Fatal(err)36    }37    defer c.Shutdown()38    err = c.Run(context.Background(), chromedp.Tasks{39        chromedp.WaitVisible(`#hplogo`, chromedp.ByID),40        chromedp.OuterHTML(`html`, &res),41    })42    if err != nil {43        log.Fatal(err)44    }45    fmt.Println(res)46}

Start

Using AI Code Generation

1import (2func main() {3	irisFile, err := os.Open("iris.csv")4	if err != nil {5		log.Fatal(err)6	}7	defer irisFile.Close()8	irisDF := dataframe.ReadCSV(irisFile)9	fmt.Println(irisDF)10}11import (12func main() {13	irisFile, err := os.Open("iris.csv")14	if err != nil {15		log.Fatal(err)16	}

Start

Using AI Code Generation

1import (2func main() {3	irisFile, err := os.Open("iris.csv")4	if err != nil {5		log.Fatal(err)6	}7	defer irisFile.Close()8	irisDF := dataframe.ReadCSV(irisFile)9	r.SetObserved("Iris-setosa")10	r.SetVar(0, "Iris-versicolor")11	r.SetVar(1, "Iris-virginica")12	for i, floatVal := range irisDF.Col("sepal_length").Float() {13		r.Train(regression.DataPoint(floatVal, []float64{14			irisDF.Col("sepal_width").Float()[i],15			irisDF.Col("petal_length").Float()[i],16			irisDF.Col("petal_width").Float()[i],17		}))

Start

Using AI Code Generation

1import "fmt"2import "github.com/kniren/gota/dataframe"3import "github.com/sajari/regression"4import "io/ioutil"5import "log"6import "os"7import "path/filepath"8import "strings"9import "github.com/sajari/regression"10func main() {11f, err := os.Open("Advertising.csv")12if err != nil {13log.Fatal(err)14}15defer f.Close()16AdvertisingDF := dataframe.ReadCSV(f)17r.SetObserved("Sales")18r.SetVar(0, "TV")19r.SetVar(1, "Radio")20for i, floatVal := range AdvertisingDF.Col("TV").Float() {21r.Train(regression.DataPoint(floatVal, []float64{22AdvertisingDF.Col("Radio").Float()[i],23AdvertisingDF.Col("Sales").Float()[i],24}))25}26r.Run()27fmt.Printf("\nPredicted sales for TV = %0.2f, Radio = %0.2f: %0.2f\n\n",28tv, radio, r.Predict([]float64{tv, radio}))29}30import "fmt"31import "github.com/kniren/gota/dataframe"32import "github.com/sajari/regression"33import "io/ioutil"34import "log"35import "os"36import "path/filepath"37import "strings"38func main() {39f, err := os.Open("Advertising.csv")40if err != nil {41log.Fatal(err)42}43defer f.Close()44AdvertisingDF := dataframe.ReadCSV(f)45r.SetObserved("Sales")46r.SetVar(0, "TV")47r.SetVar(1, "Radio")48for i, floatVal := range AdvertisingDF.Col("TV").Float() {49r.Train(regression.DataPoint(floatVal, []float64{50AdvertisingDF.Col("Radio").Float()[i],51AdvertisingDF.Col("Sales").Float()[i],52}))53}54r.Run()

Start

Using AI Code Generation

1import (2func main() {3    if err != nil {4        log.Fatal(err)5    }6    defer c.Close()7    err = c.Run(chromedp.Tasks{8        chromedp.WaitVisible(`body`, chromedp.ByQuery),9        chromedp.OuterHTML(`body`, &res, chromedp.ByQuery),10    })11    if err != nil {12        log.Fatal(err)13    }14    log.Printf("res: %s", res)15}

Start

Using AI Code Generation

1import (2func main() {3	if err != nil {4		panic(err)5	}6	defer conn.Close()7	tab, err := conn.NewTab()8	if err != nil {9		panic(err)10	}11	defer tab.Close()12	if err != nil {13		panic(err)14	}15	tab.WaitLoad()16	title, err := tab.Title()17	if err != nil {18		panic(err)19	}20	fmt.Println("Page title:", title)21}22import (23func main() {24	if err != nil {25		panic(err)26	}27	defer conn.Close()28	tab, err := cdp.New(conn)29	if err != nil {30		panic(err)31	}32	defer tab.Close()33	if err != nil {34		panic(err)35	}36	tab.WaitLoad()37	title, err := tab.Title()38	if err != nil {39		panic(err)40	}41	fmt.Println("Page title:", title)42}43import (44func main() {45	if err != nil {46		panic(err)47	}48	defer conn.Close()49	tab, err := conn.NewTab()50	if err != nil {51		panic(err)52	}

Start

Using AI Code Generation

1func main() {2    c := cdp.New()3    c.Start()4}5func main() {6    c := cdp.New()7    c.Start()8}9func main() {10    c := cdp.New()11    c.Start()12}13func main() {14    c := cdp.New()15    c.Start()16}17func main() {18    c := cdp.New()19    c.Start()20}21func main() {22    c := cdp.New()23    c.Start()24}25func main() {26    c := cdp.New()27    c.Start()28}29func main() {30    c := cdp.New()31    c.Start()32}33func main() {34    c := cdp.New()35    c.Start()36}37func main() {38    c := cdp.New()39    c.Start()40}41func main() {42    c := cdp.New()43    c.Start()44}45func main() {46    c := cdp.New()47    c.Start()48}49func main() {50    c := cdp.New()51    c.Start()52}53func main() {54    c := cdp.New()55    c.Start()56}

Start

Using AI Code Generation

1import (2func main() {3	a := cdp.Start()4	fmt.Println(a)5}6import (7func main() {8	a := cdp.Start()9	fmt.Println(a)10}11func Start() int {12}

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