forked from TrueCloudLab/frostfs-node
291 lines
9.2 KiB
Go
291 lines
9.2 KiB
Go
package morph
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import (
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"encoding/hex"
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"errors"
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"fmt"
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"strconv"
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"time"
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"github.com/TrueCloudLab/frostfs-contract/nns"
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morphClient "github.com/TrueCloudLab/frostfs-node/pkg/morph/client"
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"github.com/nspcc-dev/neo-go/pkg/core/state"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/encoding/address"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/rpcclient"
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"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
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"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm/emit"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
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)
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const defaultExpirationTime = 10 * 365 * 24 * time.Hour / time.Second
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func (c *initializeContext) setNNS() error {
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nnsCs, err := c.Client.GetContractStateByID(1)
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if err != nil {
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return err
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}
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ok, err := c.nnsRootRegistered(nnsCs.Hash, "frostfs")
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if err != nil {
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return err
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} else if !ok {
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bw := io.NewBufBinWriter()
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emit.AppCall(bw.BinWriter, nnsCs.Hash, "register", callflag.All,
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"frostfs", c.CommitteeAcc.Contract.ScriptHash(),
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"ops@nspcc.ru", int64(3600), int64(600), int64(defaultExpirationTime), int64(3600))
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emit.Opcodes(bw.BinWriter, opcode.ASSERT)
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if err := c.sendCommitteeTx(bw.Bytes(), true); err != nil {
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return fmt.Errorf("can't add domain root to NNS: %w", err)
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}
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if err := c.awaitTx(); err != nil {
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return err
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}
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}
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alphaCs := c.getContract(alphabetContract)
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for i, acc := range c.Accounts {
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alphaCs.Hash = state.CreateContractHash(acc.Contract.ScriptHash(), alphaCs.NEF.Checksum, alphaCs.Manifest.Name)
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domain := getAlphabetNNSDomain(i)
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if err := c.nnsRegisterDomain(nnsCs.Hash, alphaCs.Hash, domain); err != nil {
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return err
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}
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c.Command.Printf("NNS: Set %s -> %s\n", domain, alphaCs.Hash.StringLE())
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}
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for _, ctrName := range contractList {
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cs := c.getContract(ctrName)
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domain := ctrName + ".frostfs"
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if err := c.nnsRegisterDomain(nnsCs.Hash, cs.Hash, domain); err != nil {
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return err
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}
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c.Command.Printf("NNS: Set %s -> %s\n", domain, cs.Hash.StringLE())
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}
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groupKey := c.ContractWallet.Accounts[0].PrivateKey().PublicKey()
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err = c.updateNNSGroup(nnsCs.Hash, groupKey)
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if err != nil {
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return err
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}
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c.Command.Printf("NNS: Set %s -> %s\n", morphClient.NNSGroupKeyName, hex.EncodeToString(groupKey.Bytes()))
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return c.awaitTx()
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}
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func (c *initializeContext) updateNNSGroup(nnsHash util.Uint160, pub *keys.PublicKey) error {
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bw := io.NewBufBinWriter()
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needUpdate, needRegister, err := c.emitUpdateNNSGroupScript(bw, nnsHash, pub)
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if !needUpdate || err != nil {
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return err
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}
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script := bw.Bytes()
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if needRegister {
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w := io.NewBufBinWriter()
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emit.Instruction(w.BinWriter, opcode.INITSSLOT, []byte{1})
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wrapRegisterScriptWithPrice(w, nnsHash, script)
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script = w.Bytes()
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}
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return c.sendCommitteeTx(script, true)
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}
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// emitUpdateNNSGroupScript emits script for updating group key stored in NNS.
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// First return value is true iff the key is already there and nothing should be done.
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// Second return value is true iff a domain registration code was emitted.
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func (c *initializeContext) emitUpdateNNSGroupScript(bw *io.BufBinWriter, nnsHash util.Uint160, pub *keys.PublicKey) (bool, bool, error) {
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isAvail, err := nnsIsAvailable(c.Client, nnsHash, morphClient.NNSGroupKeyName)
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if err != nil {
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return false, false, err
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}
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if !isAvail {
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currentPub, err := nnsResolveKey(c.ReadOnlyInvoker, nnsHash, morphClient.NNSGroupKeyName)
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if err != nil {
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return false, false, err
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}
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if pub.Equal(currentPub) {
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return true, false, nil
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}
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}
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if isAvail {
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emit.AppCall(bw.BinWriter, nnsHash, "register", callflag.All,
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morphClient.NNSGroupKeyName, c.CommitteeAcc.Contract.ScriptHash(),
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"ops@nspcc.ru", int64(3600), int64(600), int64(defaultExpirationTime), int64(3600))
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emit.Opcodes(bw.BinWriter, opcode.ASSERT)
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}
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emit.AppCall(bw.BinWriter, nnsHash, "deleteRecords", callflag.All, "group.frostfs", int64(nns.TXT))
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emit.AppCall(bw.BinWriter, nnsHash, "addRecord", callflag.All,
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"group.frostfs", int64(nns.TXT), hex.EncodeToString(pub.Bytes()))
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return false, isAvail, nil
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}
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func getAlphabetNNSDomain(i int) string {
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return alphabetContract + strconv.FormatUint(uint64(i), 10) + ".frostfs"
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}
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// wrapRegisterScriptWithPrice wraps a given script with `getPrice`/`setPrice` calls for NNS.
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// It is intended to be used for a single transaction, and not as a part of other scripts.
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// It is assumed that script already contains static slot initialization code, the first one
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// (with index 0) is used to store the price.
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func wrapRegisterScriptWithPrice(w *io.BufBinWriter, nnsHash util.Uint160, s []byte) {
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if len(s) == 0 {
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return
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}
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emit.AppCall(w.BinWriter, nnsHash, "getPrice", callflag.All)
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emit.Opcodes(w.BinWriter, opcode.STSFLD0)
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emit.AppCall(w.BinWriter, nnsHash, "setPrice", callflag.All, 1)
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w.WriteBytes(s)
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emit.Opcodes(w.BinWriter, opcode.LDSFLD0, opcode.PUSH1, opcode.PACK)
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emit.AppCallNoArgs(w.BinWriter, nnsHash, "setPrice", callflag.All)
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if w.Err != nil {
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panic(fmt.Errorf("BUG: can't wrap register script: %w", w.Err))
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}
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}
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func (c *initializeContext) nnsRegisterDomainScript(nnsHash, expectedHash util.Uint160, domain string) ([]byte, bool, error) {
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ok, err := nnsIsAvailable(c.Client, nnsHash, domain)
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if err != nil {
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return nil, false, err
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}
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if ok {
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bw := io.NewBufBinWriter()
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emit.AppCall(bw.BinWriter, nnsHash, "register", callflag.All,
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domain, c.CommitteeAcc.Contract.ScriptHash(),
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"ops@nspcc.ru", int64(3600), int64(600), int64(defaultExpirationTime), int64(3600))
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emit.Opcodes(bw.BinWriter, opcode.ASSERT)
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if bw.Err != nil {
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panic(bw.Err)
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}
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return bw.Bytes(), false, nil
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}
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s, err := nnsResolveHash(c.ReadOnlyInvoker, nnsHash, domain)
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if err != nil {
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return nil, false, err
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}
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return nil, s == expectedHash, nil
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}
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func (c *initializeContext) nnsRegisterDomain(nnsHash, expectedHash util.Uint160, domain string) error {
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script, ok, err := c.nnsRegisterDomainScript(nnsHash, expectedHash, domain)
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if ok || err != nil {
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return err
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}
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w := io.NewBufBinWriter()
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emit.Instruction(w.BinWriter, opcode.INITSSLOT, []byte{1})
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wrapRegisterScriptWithPrice(w, nnsHash, script)
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emit.AppCall(w.BinWriter, nnsHash, "deleteRecords", callflag.All, domain, int64(nns.TXT))
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emit.AppCall(w.BinWriter, nnsHash, "addRecord", callflag.All,
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domain, int64(nns.TXT), expectedHash.StringLE())
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emit.AppCall(w.BinWriter, nnsHash, "addRecord", callflag.All,
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domain, int64(nns.TXT), address.Uint160ToString(expectedHash))
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return c.sendCommitteeTx(w.Bytes(), true)
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}
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func (c *initializeContext) nnsRootRegistered(nnsHash util.Uint160, zone string) (bool, error) {
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res, err := c.CommitteeAct.Call(nnsHash, "isAvailable", "name."+zone)
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if err != nil {
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return false, err
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}
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return res.State == vmstate.Halt.String(), nil
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}
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var errMissingNNSRecord = errors.New("missing NNS record")
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// Returns errMissingNNSRecord if invocation fault exception contains "token not found".
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func nnsResolveHash(inv *invoker.Invoker, nnsHash util.Uint160, domain string) (util.Uint160, error) {
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item, err := nnsResolve(inv, nnsHash, domain)
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if err != nil {
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return util.Uint160{}, err
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}
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return parseNNSResolveResult(item)
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}
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func nnsResolve(inv *invoker.Invoker, nnsHash util.Uint160, domain string) (stackitem.Item, error) {
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return unwrap.Item(inv.Call(nnsHash, "resolve", domain, int64(nns.TXT)))
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}
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func nnsResolveKey(inv *invoker.Invoker, nnsHash util.Uint160, domain string) (*keys.PublicKey, error) {
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item, err := nnsResolve(inv, nnsHash, domain)
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if err != nil {
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return nil, err
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}
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v, ok := item.Value().(stackitem.Null)
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if ok {
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return nil, errors.New("NNS record is missing")
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}
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bs, err := v.TryBytes()
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if err != nil {
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return nil, errors.New("malformed response")
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}
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return keys.NewPublicKeyFromString(string(bs))
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}
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// parseNNSResolveResult parses the result of resolving NNS record.
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// It works with multiple formats (corresponding to multiple NNS versions).
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// If array of hashes is provided, it returns only the first one.
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func parseNNSResolveResult(res stackitem.Item) (util.Uint160, error) {
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arr, ok := res.Value().([]stackitem.Item)
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if !ok {
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arr = []stackitem.Item{res}
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}
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if _, ok := res.Value().(stackitem.Null); ok || len(arr) == 0 {
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return util.Uint160{}, errors.New("NNS record is missing")
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}
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for i := range arr {
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bs, err := arr[i].TryBytes()
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if err != nil {
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continue
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}
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// We support several formats for hash encoding, this logic should be maintained in sync
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// with nnsResolve from pkg/morph/client/nns.go
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h, err := util.Uint160DecodeStringLE(string(bs))
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if err == nil {
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return h, nil
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}
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h, err = address.StringToUint160(string(bs))
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if err == nil {
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return h, nil
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}
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}
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return util.Uint160{}, errors.New("no valid hashes are found")
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}
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func nnsIsAvailable(c Client, nnsHash util.Uint160, name string) (bool, error) {
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switch ct := c.(type) {
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case *rpcclient.Client:
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return ct.NNSIsAvailable(nnsHash, name)
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default:
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b, err := unwrap.Bool(invokeFunction(c, nnsHash, "isAvailable", []any{name}, nil))
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if err != nil {
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return false, fmt.Errorf("`isAvailable`: invalid response: %w", err)
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}
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return b, nil
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}
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}
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