0g-chain/x/auction/genesis.go

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package auction
import (
"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/kava-labs/kava/x/auction/types"
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)
// InitGenesis initializes the store state from a genesis state.
func InitGenesis(ctx sdk.Context, keeper Keeper, supplyKeeper types.SupplyKeeper, gs GenesisState) {
if err := gs.Validate(); err != nil {
panic(fmt.Sprintf("failed to validate %s genesis state: %s", ModuleName, err))
}
keeper.SetNextAuctionID(ctx, gs.NextAuctionID)
keeper.SetParams(ctx, gs.Params)
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totalAuctionCoins := sdk.NewCoins()
for _, a := range gs.Auctions {
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keeper.SetAuction(ctx, a)
// find the total coins that should be present in the module account
totalAuctionCoins = totalAuctionCoins.Add(a.GetModuleAccountCoins()...)
}
// check if the module account exists
moduleAcc := supplyKeeper.GetModuleAccount(ctx, ModuleName)
if moduleAcc == nil {
panic(fmt.Sprintf("%s module account has not been set", ModuleName))
}
// check module coins match auction coins
// Note: Other sdk modules do not check this, instead just using the existing module account coins, or if zero, setting them.
if !moduleAcc.GetCoins().IsEqual(totalAuctionCoins) {
panic(fmt.Sprintf("total auction coins (%s) do not equal (%s) module account (%s) ", moduleAcc.GetCoins(), ModuleName, totalAuctionCoins))
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}
}
// ExportGenesis returns a GenesisState for a given context and keeper.
func ExportGenesis(ctx sdk.Context, keeper Keeper) GenesisState {
nextAuctionID, err := keeper.GetNextAuctionID(ctx)
if err != nil {
panic(err)
}
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params := keeper.GetParams(ctx)
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genAuctions := GenesisAuctions{} // return empty list instead of nil if no auctions
keeper.IterateAuctions(ctx, func(a Auction) bool {
ga, ok := a.(types.GenesisAuction)
if !ok {
panic("could not convert stored auction to GenesisAuction type")
}
genAuctions = append(genAuctions, ga)
return false
})
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return NewGenesisState(nextAuctionID, params, genAuctions)
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}