[#306] Reduce number of policy contract invocations

Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>

api/handler/api.go

@@ -15,7 +15,6 @@ import (
 	cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/netmap"
 	"git.frostfs.info/TrueCloudLab/policy-engine/pkg/chain"
-	"git.frostfs.info/TrueCloudLab/policy-engine/pkg/engine"
 	"go.uber.org/zap"
 )
 
@@ -55,23 +54,10 @@ type (
 
 	// APE is Access Policy Engine that needs to save policy and acl info to different places.
 	APE interface {
-		MorphRuleChainStorage
-		PolicyStorage
-	}
-
-	// MorphRuleChainStorage is a similar to engine.MorphRuleChainStorage
-	// but doesn't know anything about tx.
-	MorphRuleChainStorage interface {
-		AddChain(target engine.Target, c *chain.Chain) error
-		RemoveChain(target engine.Target, chainID chain.ID) error
-		ListChains(target engine.Target) ([]*chain.Chain, error)
-	}
-
-	// PolicyStorage is interface to save intact initial user provided policy.
-	PolicyStorage interface {
-		PutPolicy(namespace string, cnrID cid.ID, policy []byte) error
-		GetPolicy(namespace string, cnrID cid.ID) ([]byte, error)
-		DeletePolicy(namespace string, cnrID cid.ID) error
+		PutBucketPolicy(ns string, cnrID cid.ID, policy []byte, s3Chain *chain.Chain) error
+		DeleteBucketPolicy(ns string, cnrID cid.ID, chainID chain.ID) error
+		GetBucketPolicy(ns string, cnrID cid.ID) ([]byte, error)
+		SaveACLChains(ns string, chains []*chain.Chain) error
 	}
 
 	frostfsIDDisabled struct{}