CNS-213: created templates for filter code

x/pairing/keeper/filters/filter.go

@@ -0,0 +1,20 @@
+package filters
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	epochstoragetypes "github.com/lavanet/lava/x/epochstorage/types"
+	projectstypes "github.com/lavanet/lava/x/projects/types"
+)
+
+type Filter interface {
+	Filter(ctx sdk.Context, stakeEntry []epochstoragetypes.StakeEntry) []bool
+	InitFilter(strictestPolicy projectstypes.Policy) bool // return if filter is usable (by the policy)
+}
+
+func GetAllFilters() []Filter {
+	var selectedProvidersFilter SelectedProvidersFilter
+	var frozenProvidersFilter FrozenProvidersFilter
+
+	filters := []Filter{&selectedProvidersFilter, &frozenProvidersFilter}
+	return filters
+}

x/pairing/keeper/filters/frozen_providers_filter.go

@@ -0,0 +1,17 @@
+package filters
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	epochstoragetypes "github.com/lavanet/lava/x/epochstorage/types"
+	projectstypes "github.com/lavanet/lava/x/projects/types"
+)
+
+type FrozenProvidersFilter struct{}
+
+func (*FrozenProvidersFilter) Filter(ctx sdk.Context, stakeEntry []epochstoragetypes.StakeEntry) []bool {
+	return nil
+}
+
+func (*FrozenProvidersFilter) InitFilter(strictestPolicy projectstypes.Policy) bool {
+	return false
+}

x/pairing/keeper/filters/selected_providers_filter.go

@@ -0,0 +1,19 @@
+package filters
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	epochstoragetypes "github.com/lavanet/lava/x/epochstorage/types"
+	projectstypes "github.com/lavanet/lava/x/projects/types"
+)
+
+type SelectedProvidersFilter struct {
+	selectedProviders []epochstoragetypes.StakeEntry
+}
+
+func (*SelectedProvidersFilter) Filter(ctx sdk.Context, stakeEntry []epochstoragetypes.StakeEntry) []bool {
+	return nil
+}
+
+func (*SelectedProvidersFilter) InitFilter(strictestPolicy projectstypes.Policy) bool {
+	return false
+}