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[#1748] neofs-adm: Refactor NNS price handling

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Make `nnsRegisterDomainScript` simpler.

Signed-off-by: Evgenii Stratonikov <evgeniy@morphbits.ru>
This commit is contained in:
Evgenii Stratonikov 2022-09-02 11:16:59 +03:00 • committed by fyrchik
parent 9290a7e1fe
commit 11e6f03aa2
3 changed files with 63 additions and 51 deletions
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88
cmd/neofs-adm/internal/modules/morph/initialize_nns.go
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@ -4,12 +4,10 @@ import (
"encoding/hex"
"errors"
"fmt"
"math/big"
"strconv"
"strings"
"time"
"github.com/nspcc-dev/neo-go/pkg/core/native"
"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/io"
@ -84,49 +82,82 @@ func (c *initializeContext) setNNS() error {
func (c *initializeContext) updateNNSGroup(nnsHash util.Uint160, pub *keys.PublicKey) error {
bw := io.NewBufBinWriter()
sysFee, err := c.emitUpdateNNSGroupScript(bw, nnsHash, pub)
if err != nil || sysFee == 0 {
needUpdate, needRegister, err := c.emitUpdateNNSGroupScript(bw, nnsHash, pub)
if !needUpdate || err != nil {
return err
}
return c.sendCommitteeTx(bw.Bytes(), sysFee, true)
script := bw.Bytes()
if needRegister {
w := io.NewBufBinWriter()
emit.Instruction(w.BinWriter, opcode.INITSSLOT, []byte{1})
wrapRegisterScriptWithPrice(w, nnsHash, script)
script = w.Bytes()
}
return c.sendCommitteeTx(script, -1, true)
}
func (c *initializeContext) emitUpdateNNSGroupScript(bw *io.BufBinWriter, nnsHash util.Uint160, pub *keys.PublicKey) (int64, error) {
// 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 := nnsIsAvailable(c.Client, nnsHash, morphClient.NNSGroupKeyName)
if err != nil {
return 0, err
return false, false, err
}
if !isAvail {
currentPub, err := nnsResolveKey(c.Client, nnsHash, morphClient.NNSGroupKeyName)
if err != nil {
return 0, err
return false, false, err
}
if pub.Equal(currentPub) {
return 0, nil
return true, false, nil
}
}
sysFee := int64(native.GASFactor)
if isAvail {
emit.AppCall(bw.BinWriter, nnsHash, "register", callflag.All,
morphClient.NNSGroupKeyName, c.CommitteeAcc.Contract.ScriptHash(),
"ops@nspcc.ru", int64(3600), int64(600), int64(defaultExpirationTime), int64(3600))
emit.Opcodes(bw.BinWriter, opcode.ASSERT)
sysFee += defaultRegisterSysfee
}
emit.AppCall(bw.BinWriter, nnsHash, "addRecord", callflag.All,
"group.neofs", int64(nns.TXT), hex.EncodeToString(pub.Bytes()))
return sysFee, bw.Err
return false, isAvail, nil
}
func getAlphabetNNSDomain(i int) string {
return alphabetContract + strconv.FormatUint(uint64(i), 10) + ".neofs"
}
func (c *initializeContext) nnsRegisterDomainScript(nnsHash, expectedHash util.Uint160, domain string, setPrice bool) ([]byte, bool, error) {
// 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 := nnsIsAvailable(c.Client, nnsHash, domain)
if err != nil {
return nil, false, err
@ -134,33 +165,11 @@ func (c *initializeContext) nnsRegisterDomainScript(nnsHash, expectedHash util.U
if ok {
bw := io.NewBufBinWriter()
var price *big.Int
if setPrice {
res, err := invokeFunction(c.Client, nnsHash, "getPrice", nil, nil)
if err != nil || res.State != vmstate.Halt.String() || len(res.Stack) == 0 {
return nil, false, errors.New("could not get NNS's price")
}
price, err = res.Stack[0].TryInteger()
if err != nil {
return nil, false, fmt.Errorf("unexpected `GetPrice` stack returned: %w", err)
}
// set minimal registration price
emit.AppCall(bw.BinWriter, nnsHash, "setPrice", callflag.All, 1)
}
// register domain
emit.AppCall(bw.BinWriter, nnsHash, "register", callflag.All,
domain, c.CommitteeAcc.Contract.ScriptHash(),
"ops@nspcc.ru", int64(3600), int64(600), int64(defaultExpirationTime), int64(3600))
emit.Opcodes(bw.BinWriter, opcode.ASSERT)
if setPrice {
// set registration price back
emit.AppCall(bw.BinWriter, nnsHash, "setPrice", callflag.All, price)
}
if bw.Err != nil {
panic(bw.Err)
}
@ -175,17 +184,18 @@ func (c *initializeContext) nnsRegisterDomainScript(nnsHash, expectedHash util.U
}
func (c *initializeContext) nnsRegisterDomain(nnsHash, expectedHash util.Uint160, domain string) error {
script, ok, err := c.nnsRegisterDomainScript(nnsHash, expectedHash, domain, true)
script, ok, err := c.nnsRegisterDomainScript(nnsHash, expectedHash, domain)
if ok || err != nil {
return err
}
w := io.NewBufBinWriter()
w.WriteBytes(script)
emit.Instruction(w.BinWriter, opcode.INITSSLOT, []byte{1})
wrapRegisterScriptWithPrice(w, nnsHash, script)
emit.AppCall(w.BinWriter, nnsHash, "addRecord", callflag.All,
domain, int64(nns.TXT), expectedHash.StringLE())
sysFee := int64(defaultRegisterSysfee + native.GASFactor)
return c.sendCommitteeTx(w.Bytes(), sysFee, true)
return c.sendCommitteeTx(w.Bytes(), -1, true)
}
func (c *initializeContext) nnsRootRegistered(nnsHash util.Uint160, zone string) (bool, error) {