package morph import ( "encoding/hex" "errors" "fmt" "strconv" "time" "git.frostfs.info/TrueCloudLab/frostfs-contract/nns" morphUtil "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/morph/util" morphClient "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client" "github.com/nspcc-dev/neo-go/pkg/core/state" "github.com/nspcc-dev/neo-go/pkg/crypto/keys" "github.com/nspcc-dev/neo-go/pkg/encoding/address" "github.com/nspcc-dev/neo-go/pkg/io" "github.com/nspcc-dev/neo-go/pkg/rpcclient/management" "github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag" "github.com/nspcc-dev/neo-go/pkg/util" "github.com/nspcc-dev/neo-go/pkg/vm/emit" "github.com/nspcc-dev/neo-go/pkg/vm/opcode" "github.com/nspcc-dev/neo-go/pkg/vm/vmstate" ) const defaultExpirationTime = 10 * 365 * 24 * time.Hour / time.Second const frostfsOpsEmail = "ops@frostfs.info" func setNNS(c *InitializeContext) error { r := management.NewReader(c.ReadOnlyInvoker) nnsCs, err := r.GetContractByID(1) if err != nil { return err } ok, err := c.NNSRootRegistered(nnsCs.Hash, "frostfs") if err != nil { return err } else if !ok { bw := io.NewBufBinWriter() emit.AppCall(bw.BinWriter, nnsCs.Hash, "register", callflag.All, "frostfs", c.CommitteeAcc.Contract.ScriptHash(), frostfsOpsEmail, int64(3600), int64(600), int64(defaultExpirationTime), int64(3600)) emit.Opcodes(bw.BinWriter, opcode.ASSERT) if err := c.SendCommitteeTx(bw.Bytes(), true); err != nil { return fmt.Errorf("can't add domain root to NNS: %w", err) } if err := c.AwaitTx(); err != nil { return err } } alphaCs := c.GetContract(morphUtil.AlphabetContract) for i, acc := range c.Accounts { alphaCs.Hash = state.CreateContractHash(acc.Contract.ScriptHash(), alphaCs.NEF.Checksum, alphaCs.Manifest.Name) domain := getAlphabetNNSDomain(i) if err := nnsRegisterDomain(c, nnsCs.Hash, alphaCs.Hash, domain); err != nil { return err } c.Command.Printf("NNS: Set %s -> %s\n", domain, alphaCs.Hash.StringLE()) } for _, ctrName := range contractList { cs := c.GetContract(ctrName) domain := ctrName + ".frostfs" if err := nnsRegisterDomain(c, nnsCs.Hash, cs.Hash, domain); err != nil { return err } c.Command.Printf("NNS: Set %s -> %s\n", domain, cs.Hash.StringLE()) } groupKey := c.ContractWallet.Accounts[0].PrivateKey().PublicKey() err = updateNNSGroup(c, nnsCs.Hash, groupKey) if err != nil { return err } c.Command.Printf("NNS: Set %s -> %s\n", morphClient.NNSGroupKeyName, hex.EncodeToString(groupKey.Bytes())) return c.AwaitTx() } func updateNNSGroup(c *InitializeContext, nnsHash util.Uint160, pub *keys.PublicKey) error { bw := io.NewBufBinWriter() keyAlreadyAdded, domainRegCodeEmitted, err := c.EmitUpdateNNSGroupScript(bw, nnsHash, pub) if keyAlreadyAdded || err != nil { return err } script := bw.Bytes() if domainRegCodeEmitted { w := io.NewBufBinWriter() emit.Instruction(w.BinWriter, opcode.INITSSLOT, []byte{1}) wrapRegisterScriptWithPrice(w, nnsHash, script) script = w.Bytes() } return c.SendCommitteeTx(script, true) } // EmitUpdateNNSGroupScript emits script for updating group key stored in NNS. // First return value is true iff the key is already there and nothing should be done. // Second return value is true iff a domain registration code was emitted. func (c *InitializeContext) EmitUpdateNNSGroupScript(bw *io.BufBinWriter, nnsHash util.Uint160, pub *keys.PublicKey) (bool, bool, error) { isAvail, err := morphUtil.NNSIsAvailable(c.Client, nnsHash, morphClient.NNSGroupKeyName) if err != nil { return false, false, err } if !isAvail { currentPub, err := morphUtil.NNSResolveKey(c.ReadOnlyInvoker, nnsHash, morphClient.NNSGroupKeyName) if err != nil { return false, false, err } if pub.Equal(currentPub) { return true, false, nil } } if isAvail { emit.AppCall(bw.BinWriter, nnsHash, "register", callflag.All, morphClient.NNSGroupKeyName, c.CommitteeAcc.Contract.ScriptHash(), frostfsOpsEmail, int64(3600), int64(600), int64(defaultExpirationTime), int64(3600)) emit.Opcodes(bw.BinWriter, opcode.ASSERT) } emit.AppCall(bw.BinWriter, nnsHash, "deleteRecords", callflag.All, "group.frostfs", int64(nns.TXT)) emit.AppCall(bw.BinWriter, nnsHash, "addRecord", callflag.All, "group.frostfs", int64(nns.TXT), hex.EncodeToString(pub.Bytes())) return false, isAvail, nil } func getAlphabetNNSDomain(i int) string { return morphUtil.AlphabetContract + strconv.FormatUint(uint64(i), 10) + ".frostfs" } // wrapRegisterScriptWithPrice wraps a given script with `getPrice`/`setPrice` calls for NNS. // It is intended to be used for a single transaction, and not as a part of other scripts. // It is assumed that script already contains static slot initialization code, the first one // (with index 0) is used to store the price. func wrapRegisterScriptWithPrice(w *io.BufBinWriter, nnsHash util.Uint160, s []byte) { if len(s) == 0 { return } emit.AppCall(w.BinWriter, nnsHash, "getPrice", callflag.All) emit.Opcodes(w.BinWriter, opcode.STSFLD0) emit.AppCall(w.BinWriter, nnsHash, "setPrice", callflag.All, 1) w.WriteBytes(s) emit.Opcodes(w.BinWriter, opcode.LDSFLD0, opcode.PUSH1, opcode.PACK) emit.AppCallNoArgs(w.BinWriter, nnsHash, "setPrice", callflag.All) if w.Err != nil { panic(fmt.Errorf("BUG: can't wrap register script: %w", w.Err)) } } func (c *InitializeContext) NNSRegisterDomainScript(nnsHash, expectedHash util.Uint160, domain string) ([]byte, bool, error) { ok, err := morphUtil.NNSIsAvailable(c.Client, nnsHash, domain) if err != nil { return nil, false, err } if ok { bw := io.NewBufBinWriter() emit.AppCall(bw.BinWriter, nnsHash, "register", callflag.All, domain, c.CommitteeAcc.Contract.ScriptHash(), frostfsOpsEmail, int64(3600), int64(600), int64(defaultExpirationTime), int64(3600)) emit.Opcodes(bw.BinWriter, opcode.ASSERT) if bw.Err != nil { panic(bw.Err) } return bw.Bytes(), false, nil } s, err := morphUtil.NNSResolveHash(c.ReadOnlyInvoker, nnsHash, domain) if err != nil { return nil, false, err } return nil, s == expectedHash, nil } func nnsRegisterDomain(c *InitializeContext, nnsHash, expectedHash util.Uint160, domain string) error { script, ok, err := c.NNSRegisterDomainScript(nnsHash, expectedHash, domain) if ok || err != nil { return err } w := io.NewBufBinWriter() emit.Instruction(w.BinWriter, opcode.INITSSLOT, []byte{1}) wrapRegisterScriptWithPrice(w, nnsHash, script) emit.AppCall(w.BinWriter, nnsHash, "deleteRecords", callflag.All, domain, int64(nns.TXT)) emit.AppCall(w.BinWriter, nnsHash, "addRecord", callflag.All, domain, int64(nns.TXT), expectedHash.StringLE()) emit.AppCall(w.BinWriter, nnsHash, "addRecord", callflag.All, domain, int64(nns.TXT), address.Uint160ToString(expectedHash)) return c.SendCommitteeTx(w.Bytes(), true) } func (c *InitializeContext) NNSRootRegistered(nnsHash util.Uint160, zone string) (bool, error) { res, err := c.CommitteeAct.Call(nnsHash, "isAvailable", "name."+zone) if err != nil { return false, err } return res.State == vmstate.Halt.String(), nil } var errMissingNNSRecord = errors.New("missing NNS record")