[#834] adm: Add commands to invoke methods of policy contract

Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>

cmd/frostfs-adm/internal/modules/morph/ape_util.go

@@ -0,0 +1,103 @@
+package morph
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/config"
+	parseutil "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/modules/util"
+	commonCmd "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common"
+	apechain "git.frostfs.info/TrueCloudLab/policy-engine/pkg/chain"
+	policyengine "git.frostfs.info/TrueCloudLab/policy-engine/pkg/engine"
+	morph "git.frostfs.info/TrueCloudLab/policy-engine/pkg/morph/policy"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/actor"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/management"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+func parseTarget(cmd *cobra.Command) policyengine.Target {
+	var targetType policyengine.TargetType
+	typ, _ := cmd.Flags().GetString(targetTypeFlag)
+	switch typ {
+	case namespaceTarget:
+		targetType = policyengine.Namespace
+	case containerTarget:
+		targetType = policyengine.Container
+	default:
+		commonCmd.ExitOnErr(cmd, "read target type error: %w", fmt.Errorf("unknown target type"))
+	}
+	name, _ := cmd.Flags().GetString(targetNameFlag)
+
+	return policyengine.Target{
+		Name: name,
+		Type: targetType,
+	}
+}
+
+func parseChainID(cmd *cobra.Command) apechain.ID {
+	chainID, _ := cmd.Flags().GetString(chainIDFlag)
+	if chainID == "" {
+		commonCmd.ExitOnErr(cmd, "read chain id error: %w",
+			fmt.Errorf("chain id cannot be empty"))
+	}
+	return apechain.ID(chainID)
+}
+
+func parseChain(cmd *cobra.Command) *apechain.Chain {
+	chain := new(apechain.Chain)
+
+	if ruleStmt, _ := cmd.Flags().GetString(ruleFlag); ruleStmt != "" {
+		parseErr := parseutil.ParseAPEChain(chain, []string{ruleStmt})
+		commonCmd.ExitOnErr(cmd, "ape chain parser error: %w", parseErr)
+	} else if ruleJSON, _ := cmd.Flags().GetString(ruleJSONFlag); ruleJSON != "" {
+		var rule []byte
+		if _, err := os.Stat(ruleJSON); err == nil {
+			rule, err = os.ReadFile(ruleJSON)
+			commonCmd.ExitOnErr(cmd, "read file error: %w", err)
+		} else {
+			rule = []byte(ruleJSON)
+			if !json.Valid(rule) {
+				commonCmd.ExitOnErr(cmd, "read raw rule error: %w",
+					fmt.Errorf("invalid JSON"))
+			}
+		}
+		err := chain.DecodeBytes(rule)
+		commonCmd.ExitOnErr(cmd, "chain decode error: %w", err)
+	} else {
+		commonCmd.ExitOnErr(cmd, "", fmt.Errorf("rule is not passed"))
+	}
+
+	chain.ID = parseChainID(cmd)
+
+	return chain
+}
+
+func newPolicyContractInterface(cmd *cobra.Command) (*morph.ContractStorage, *actor.Actor) {
+	v := viper.GetViper()
+	c, err := getN3Client(v)
+	commonCmd.ExitOnErr(cmd, "unable to create NEO rpc client: %w", err)
+
+	walletDir := config.ResolveHomePath(viper.GetString(alphabetWalletsFlag))
+	wallets, err := getAlphabetWallets(v, walletDir)
+	commonCmd.ExitOnErr(cmd, "unable to get alphabet wallets: %w", err)
+
+	committeeAcc, err := getWalletAccount(wallets[0], committeeAccountName)
+	commonCmd.ExitOnErr(cmd, "can't find committee account: %w", err)
+
+	ac, err := newActor(c, committeeAcc)
+	commonCmd.ExitOnErr(cmd, "can't create actor: %w", err)
+
+	inv := &ac.Invoker
+	var ch util.Uint160
+	r := management.NewReader(inv)
+	nnsCs, err := r.GetContractByID(1)
+	commonCmd.ExitOnErr(cmd, "can't get NNS contract state: %w", err)
+
+	ch, err = nnsResolveHash(inv, nnsCs.Hash, policyContract+".frostfs")
+	commonCmd.ExitOnErr(cmd, "unable to resolve policy contract hash: %w", err)
+
+	return morph.NewContractStorage(ac, ch), ac
+}