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feeds.go
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feeds.go
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package keeper
import (
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/jackalLabs/canine-chain/v3/x/oracle/types"
)
// SetFeed set a specific Feed in the store from its index
func (k Keeper) SetFeed(ctx sdk.Context, feed types.Feed) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.FeedKeyPrefix))
f := k.cdc.MustMarshal(&feed)
store.Set(types.FeedKey(feed.Name), f)
}
// GetFeed returns a Feed from its index
func (k Keeper) GetFeed(
ctx sdk.Context,
index string,
) (val types.Feed, found bool) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.FeedKeyPrefix))
key := types.FeedKey(index)
if !store.Has(key) {
return types.Feed{}, false
}
k.cdc.MustUnmarshal(store.Get(key), &val)
return val, true
}
// RemoveFeed removes a Feed from the store
func (k Keeper) RemoveFeed(
ctx sdk.Context,
index string,
) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.FeedKeyPrefix))
store.Delete(types.FeedKey(
index,
))
}
// GetAllFeed returns all Feed
func (k Keeper) GetAllFeeds(ctx sdk.Context) (list []types.Feed) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.FeedKeyPrefix))
iterator := sdk.KVStorePrefixIterator(store, []byte{})
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var val types.Feed
k.cdc.MustUnmarshal(iterator.Value(), &val)
list = append(list, val)
}
return
}