66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
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package keeper
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import (
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"sort"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/nft"
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)
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// InitGenesis new nft genesis
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func (k Keeper) InitGenesis(ctx sdk.Context, data *nft.GenesisState) {
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for _, class := range data.Classes {
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if err := k.SaveClass(ctx, *class); err != nil {
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panic(err)
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}
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}
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for _, entry := range data.Entries {
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for _, nft := range entry.Nfts {
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owner, err := sdk.AccAddressFromBech32(entry.Owner)
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if err != nil {
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panic(err)
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}
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if err := k.Mint(ctx, *nft, owner); err != nil {
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panic(err)
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}
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}
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}
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}
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// ExportGenesis returns a GenesisState for a given context.
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func (k Keeper) ExportGenesis(ctx sdk.Context) *nft.GenesisState {
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classes := k.GetClasses(ctx)
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nftMap := make(map[string][]*nft.NFT)
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for _, class := range classes {
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nfts := k.GetNFTsOfClass(ctx, class.Id)
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for i, n := range nfts {
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owner := k.GetOwner(ctx, n.ClassId, n.Id)
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nftArr, ok := nftMap[owner.String()]
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if !ok {
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nftArr = make([]*nft.NFT, 0)
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}
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nftMap[owner.String()] = append(nftArr, &nfts[i])
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}
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}
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owners := make([]string, 0, len(nftMap))
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for owner := range nftMap {
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owners = append(owners, owner)
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}
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sort.Strings(owners)
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entries := make([]*nft.Entry, 0, len(nftMap))
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for _, owner := range owners {
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entries = append(entries, &nft.Entry{
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Owner: owner,
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Nfts: nftMap[owner],
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})
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}
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return &nft.GenesisState{
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Classes: classes,
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Entries: entries,
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}
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}
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