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https://github.com/0glabs/0g-chain.git
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8d199746cd
Co-authored-by: rhuairahrighairigh <ruaridh.odonnell@gmail.com> Co-authored-by: John Maheswaran <john@kava.io> Co-authored-by: Kevin Davis <kjydavis3@gmail.com>
66 lines
2.6 KiB
Go
66 lines
2.6 KiB
Go
package simulation
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import (
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"fmt"
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"time"
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"github.com/cosmos/cosmos-sdk/codec"
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"github.com/cosmos/cosmos-sdk/types/module"
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"github.com/cosmos/cosmos-sdk/x/simulation"
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"github.com/kava-labs/kava/x/pricefeed/types"
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pricefeed "github.com/kava-labs/kava/x/pricefeed/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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// RandomizedGenState generates a random GenesisState for pricefeed
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func RandomizedGenState(simState *module.SimulationState) {
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// get the params with xrp, btc and bnb to usd
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// getPricefeedSimulationParams is defined to return params with xrp:usd, btc:usd, bnb:usd
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params := getPricefeedSimulationParams()
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markets := []types.Market{}
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genPrices := []types.PostedPrice{}
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// chose one account to be the oracle
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oracle := simState.Accounts[simulation.RandIntBetween(simState.Rand, 0, len(simState.Accounts))]
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for _, market := range params.Markets {
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updatedMarket := types.Market{market.MarketID, market.BaseAsset, market.QuoteAsset, []sdk.AccAddress{oracle.Address}, true}
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markets = append(markets, updatedMarket)
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genPrice := types.PostedPrice{market.MarketID, oracle.Address, getInitialPrice(market.MarketID), simState.GenTimestamp.Add(time.Hour * 24)}
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genPrices = append(genPrices, genPrice)
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}
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params = types.NewParams(markets)
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pricefeedGenesis := types.NewGenesisState(params, genPrices)
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fmt.Printf("Selected randomly generated %s parameters:\n%s\n", types.ModuleName, codec.MustMarshalJSONIndent(simState.Cdc, pricefeedGenesis))
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simState.GenState[types.ModuleName] = simState.Cdc.MustMarshalJSON(pricefeedGenesis)
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}
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// getPricefeedSimulationParams returns the params with xrp:usd, btc:usd, bnb:usd
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func getPricefeedSimulationParams() types.Params {
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// SET UP THE PRICEFEED GENESIS STATE
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pricefeedGenesis := pricefeed.GenesisState{
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Params: pricefeed.Params{
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Markets: []pricefeed.Market{
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pricefeed.Market{MarketID: "btc:usd", BaseAsset: "btc", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
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pricefeed.Market{MarketID: "xrp:usd", BaseAsset: "xrp", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
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pricefeed.Market{MarketID: "bnb:usd", BaseAsset: "bnb", QuoteAsset: "usd", Oracles: []sdk.AccAddress{}, Active: true},
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},
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},
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}
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return pricefeedGenesis.Params
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}
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// getInitialPrice gets the starting price for each of the base assets
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func getInitialPrice(marketId string) (price sdk.Dec) {
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switch marketId {
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case "btc:usd":
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return sdk.MustNewDecFromStr("7000")
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case "bnb:usd":
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return sdk.MustNewDecFromStr("14")
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case "xrp:usd":
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return sdk.MustNewDecFromStr("0.2")
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}
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panic(fmt.Sprintf("Invalid marketId in getInitialPrice: %s\n", marketId))
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}
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