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sequencer.go
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/
sequencer.go
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package keeper
import (
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/gridfoundation/gridiron/x/sequencer/types"
)
// SetSequencer set a specific sequencer in the store from its index
func (k Keeper) SetSequencer(ctx sdk.Context, sequencer types.Sequencer) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.SequencerKeyPrefix))
b := k.cdc.MustMarshal(&sequencer)
store.Set(types.SequencerKey(
sequencer.SequencerAddress,
), b)
}
// GetSequencer returns a sequencer from its index
func (k Keeper) GetSequencer(
ctx sdk.Context,
sequencerAddress string,
) (val types.Sequencer, found bool) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.SequencerKeyPrefix))
b := store.Get(types.SequencerKey(
sequencerAddress,
))
if b == nil {
return val, false
}
k.cdc.MustUnmarshal(b, &val)
return val, true
}
// RemoveSequencer removes a sequencer from the store
func (k Keeper) RemoveSequencer(
ctx sdk.Context,
sequencerAddress string,
) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.SequencerKeyPrefix))
store.Delete(types.SequencerKey(
sequencerAddress,
))
}
// GetAllSequencer returns all sequencer
func (k Keeper) GetAllSequencer(ctx sdk.Context) (list []types.Sequencer) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.SequencerKeyPrefix))
iterator := sdk.KVStorePrefixIterator(store, []byte{})
// nolint: errcheck
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var val types.Sequencer
k.cdc.MustUnmarshal(iterator.Value(), &val)
list = append(list, val)
}
return
}