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pool_metadata.go
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/
pool_metadata.go
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package keeper
import (
"encoding/binary"
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/MonikaCat/neutron/v2/x/dex/types"
)
// SetPoolMetadata set a specific poolMetadata in the store
func (k Keeper) SetPoolMetadata(ctx sdk.Context, poolMetadata types.PoolMetadata) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.PoolMetadataKeyPrefix))
b := k.cdc.MustMarshal(&poolMetadata)
store.Set(GetPoolMetadataIDBytes(poolMetadata.Id), b)
}
// GetPoolMetadata returns a poolMetadata from its id
func (k Keeper) GetPoolMetadata(ctx sdk.Context, id uint64) (val types.PoolMetadata, found bool) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.PoolMetadataKeyPrefix))
b := store.Get(GetPoolMetadataIDBytes(id))
if b == nil {
return val, false
}
k.cdc.MustUnmarshal(b, &val)
return val, true
}
func (k Keeper) GetPoolMetadataByDenom(
ctx sdk.Context,
denom string,
) (pm types.PoolMetadata, err error) {
poolID, err := types.ParsePoolIDFromDenom(denom)
if err != nil {
return pm, err
}
pm, found := k.GetPoolMetadata(ctx, poolID)
if !found {
return pm, types.ErrInvalidPoolDenom
}
return pm, nil
}
// RemovePoolMetadata removes a poolMetadata from the store
func (k Keeper) RemovePoolMetadata(ctx sdk.Context, id uint64) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.PoolMetadataKeyPrefix))
store.Delete(GetPoolMetadataIDBytes(id))
}
// GetAllPoolMetadata returns all poolMetadata
func (k Keeper) GetAllPoolMetadata(ctx sdk.Context) (list []types.PoolMetadata) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.PoolMetadataKeyPrefix))
iterator := sdk.KVStorePrefixIterator(store, []byte{})
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var val types.PoolMetadata
k.cdc.MustUnmarshal(iterator.Value(), &val)
list = append(list, val)
}
return
}
// GetPoolMetadataIDBytes returns the byte representation of the ID
func GetPoolMetadataIDBytes(id uint64) []byte {
bz := make([]byte, 8)
binary.BigEndian.PutUint64(bz, id)
return bz
}