[#1466] adm: Do not use morph client in adm

Using morph client leads to requiring WebSocket endpoints.

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
This commit is contained in:
Pavel Karpy 2022-06-02 17:24:03 +03:00 committed by fyrchik
parent 60789dd475
commit 815e02f185
3 changed files with 409 additions and 170 deletions

View file

@ -19,7 +19,9 @@ import (
"github.com/nspcc-dev/neo-go/pkg/core/storage" "github.com/nspcc-dev/neo-go/pkg/core/storage"
"github.com/nspcc-dev/neo-go/pkg/core/transaction" "github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys" "github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
"github.com/nspcc-dev/neo-go/pkg/io" "github.com/nspcc-dev/neo-go/pkg/io"
"github.com/nspcc-dev/neo-go/pkg/network/payload"
"github.com/nspcc-dev/neo-go/pkg/rpc/client" "github.com/nspcc-dev/neo-go/pkg/rpc/client"
"github.com/nspcc-dev/neo-go/pkg/rpc/response/result" "github.com/nspcc-dev/neo-go/pkg/rpc/response/result"
"github.com/nspcc-dev/neo-go/pkg/smartcontract" "github.com/nspcc-dev/neo-go/pkg/smartcontract"
@ -143,7 +145,7 @@ func (l *localClient) CreateTxFromScript(script []byte, acc *wallet.Account, sys
tx.Signers = signers tx.Signers = signers
tx.ValidUntilBlock = l.bc.BlockHeight() + 2 tx.ValidUntilBlock = l.bc.BlockHeight() + 2
err = l.addNetworkFee(tx, netFee, accounts...) err = l.AddNetworkFee(tx, netFee, accounts...)
if err != nil { if err != nil {
return nil, fmt.Errorf("failed to add network fee: %w", err) return nil, fmt.Errorf("failed to add network fee: %w", err)
} }
@ -151,11 +153,36 @@ func (l *localClient) CreateTxFromScript(script []byte, acc *wallet.Account, sys
return tx, nil return tx, nil
} }
// addNetworkFee adds network fee for each witness script and optional extra func (l *localClient) GetCommittee() (keys.PublicKeys, error) {
// not used by `morph init` command
panic("unexpected call")
}
func (l *localClient) InvokeFunction(_ util.Uint160, _ string, _ []smartcontract.Parameter, _ []transaction.Signer) (*result.Invoke, error) {
// not used by `morph init` command
panic("unexpected call")
}
func (l *localClient) CalculateNotaryFee(_ uint8) (int64, error) {
// not used by `morph init` command
panic("unexpected call")
}
func (l *localClient) SignAndPushP2PNotaryRequest(_ *transaction.Transaction, _ []byte, _ int64, _ int64, _ uint32, _ *wallet.Account) (*payload.P2PNotaryRequest, error) {
// not used by `morph init` command
panic("unexpected call")
}
func (l *localClient) SignAndPushInvocationTx(_ []byte, _ *wallet.Account, _ int64, _ fixedn.Fixed8, _ []client.SignerAccount) (util.Uint256, error) {
// not used by `morph init` command
panic("unexpected call")
}
// AddNetworkFee adds network fee for each witness script and optional extra
// network fee to transaction. `accs` is an array signer's accounts. // network fee to transaction. `accs` is an array signer's accounts.
// Copied from neo-go with minor corrections (no need to support contract signers): // Copied from neo-go with minor corrections (no need to support contract signers):
// https://github.com/nspcc-dev/neo-go/blob/6ff11baa1b9e4c71ef0d1de43b92a8c541ca732c/pkg/rpc/client/rpc.go#L960 // https://github.com/nspcc-dev/neo-go/blob/6ff11baa1b9e4c71ef0d1de43b92a8c541ca732c/pkg/rpc/client/rpc.go#L960
func (l *localClient) addNetworkFee(tx *transaction.Transaction, extraFee int64, accs ...*wallet.Account) error { func (l *localClient) AddNetworkFee(tx *transaction.Transaction, extraFee int64, accs ...*wallet.Account) error {
if len(tx.Signers) != len(accs) { if len(tx.Signers) != len(accs) {
return errors.New("number of signers must match number of scripts") return errors.New("number of signers must match number of scripts")
} }

View file

@ -9,6 +9,9 @@ import (
"github.com/nspcc-dev/neo-go/pkg/config/netmode" "github.com/nspcc-dev/neo-go/pkg/config/netmode"
"github.com/nspcc-dev/neo-go/pkg/core/state" "github.com/nspcc-dev/neo-go/pkg/core/state"
"github.com/nspcc-dev/neo-go/pkg/core/transaction" "github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
"github.com/nspcc-dev/neo-go/pkg/network/payload"
"github.com/nspcc-dev/neo-go/pkg/rpc/client" "github.com/nspcc-dev/neo-go/pkg/rpc/client"
"github.com/nspcc-dev/neo-go/pkg/rpc/response/result" "github.com/nspcc-dev/neo-go/pkg/rpc/response/result"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger" "github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
@ -31,6 +34,11 @@ type Client interface {
NEP17BalanceOf(util.Uint160, util.Uint160) (int64, error) NEP17BalanceOf(util.Uint160, util.Uint160) (int64, error)
InvokeScript([]byte, []transaction.Signer) (*result.Invoke, error) InvokeScript([]byte, []transaction.Signer) (*result.Invoke, error)
SendRawTransaction(*transaction.Transaction) (util.Uint256, error) SendRawTransaction(*transaction.Transaction) (util.Uint256, error)
GetCommittee() (keys.PublicKeys, error)
CalculateNotaryFee(uint8) (int64, error)
AddNetworkFee(*transaction.Transaction, int64, ...*wallet.Account) error
SignAndPushInvocationTx([]byte, *wallet.Account, int64, fixedn.Fixed8, []client.SignerAccount) (util.Uint256, error)
SignAndPushP2PNotaryRequest(*transaction.Transaction, []byte, int64, int64, uint32, *wallet.Account) (*payload.P2PNotaryRequest, error)
} }
type clientContext struct { type clientContext struct {

View file

@ -7,12 +7,20 @@ import (
"github.com/nspcc-dev/neo-go/cli/flags" "github.com/nspcc-dev/neo-go/cli/flags"
"github.com/nspcc-dev/neo-go/cli/input" "github.com/nspcc-dev/neo-go/cli/input"
"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
"github.com/nspcc-dev/neo-go/pkg/core/state"
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys" "github.com/nspcc-dev/neo-go/pkg/crypto/keys"
neogocli "github.com/nspcc-dev/neo-go/pkg/rpc/client"
"github.com/nspcc-dev/neo-go/pkg/rpc/response/result"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/util" "github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/nspcc-dev/neo-go/pkg/wallet" "github.com/nspcc-dev/neo-go/pkg/wallet"
"github.com/nspcc-dev/neofs-node/cmd/neofs-adm/internal/modules/morph/internal" "github.com/nspcc-dev/neofs-node/cmd/neofs-adm/internal/modules/morph/internal"
"github.com/nspcc-dev/neofs-node/pkg/morph/client" "github.com/nspcc-dev/neofs-node/pkg/morph/client"
morphsubnet "github.com/nspcc-dev/neofs-node/pkg/morph/client/subnet"
"github.com/nspcc-dev/neofs-node/pkg/util/rand" "github.com/nspcc-dev/neofs-node/pkg/util/rand"
"github.com/nspcc-dev/neofs-sdk-go/subnet" "github.com/nspcc-dev/neofs-sdk-go/subnet"
subnetid "github.com/nspcc-dev/neofs-sdk-go/subnet/id" subnetid "github.com/nspcc-dev/neofs-sdk-go/subnet/id"
@ -21,12 +29,6 @@ import (
"github.com/spf13/viper" "github.com/spf13/viper"
) )
// cmdSubnet flags.
const (
// Neo RPC endpoint
flagSubnetEndpoint = endpointFlag
)
func viperBindFlags(cmd *cobra.Command, flags ...string) { func viperBindFlags(cmd *cobra.Command, flags ...string) {
for i := range flags { for i := range flags {
_ = viper.BindPFlag(flags[i], cmd.Flags().Lookup(flags[i])) _ = viper.BindPFlag(flags[i], cmd.Flags().Lookup(flags[i]))
@ -39,7 +41,7 @@ var cmdSubnet = &cobra.Command{
Short: "NeoFS subnet management.", Short: "NeoFS subnet management.",
PreRun: func(cmd *cobra.Command, _ []string) { PreRun: func(cmd *cobra.Command, _ []string) {
viperBindFlags(cmd, viperBindFlags(cmd,
flagSubnetEndpoint, endpointFlag,
) )
}, },
} }
@ -110,71 +112,11 @@ func readSubnetKey(key *keys.PrivateKey) error {
return nil return nil
} }
// calls initSubnetClientCheckNotary with unset checkNotary.
func initSubnetClient(c *morphsubnet.Client, key *keys.PrivateKey) error {
return initSubnetClientCheckNotary(c, key, false)
}
const ( const (
// enable notary // enable notary
flagSubnetNotary = "notary" flagSubnetNotary = "notary"
) )
// initializes morph subnet client with the specified private key.
//
// Parameters are read from:
// * contract address: flagSubnetContract;
// * endpoint: flagSubnetEndpoint.
//
// If checkNotary is set, notary mode is read from flagSubnetNotary.
func initSubnetClientCheckNotary(c *morphsubnet.Client, key *keys.PrivateKey, checkNotary bool) error {
// read endpoint
endpoint := viper.GetString(flagSubnetEndpoint)
if endpoint == "" {
return errors.New("missing endpoint")
}
// create base morph client
cMorph, err := client.New(key, endpoint)
if err != nil {
return err
}
// Error means group was not set in NNS, continue with Global scope in this case.
_ = cMorph.SetGroupSignerScope()
// read contract address
contractAddr, err := cMorph.NNSContractAddress(client.NNSSubnetworkContractName)
if err != nil {
return fmt.Errorf("read subnet contract address in NNS: %w", err)
}
// calc client mode
cMode := morphsubnet.NonNotary
if checkNotary && viper.GetBool(flagSubnetNotary) {
err = cMorph.EnableNotarySupport()
if err != nil {
return fmt.Errorf("enable notary support: %w", err)
}
cMode = morphsubnet.NotaryNonAlphabet
}
// init subnet morph client
var prmInit morphsubnet.InitPrm
prmInit.SetBaseClient(cMorph)
prmInit.SetContractAddress(contractAddr)
prmInit.SetMode(cMode)
if err := c.Init(prmInit); err != nil {
return fmt.Errorf("init call: %w", err)
}
return nil
}
// create subnet command. // create subnet command.
var cmdSubnetCreate = &cobra.Command{ var cmdSubnetCreate = &cobra.Command{
Use: "create", Use: "create",
@ -231,24 +173,9 @@ var cmdSubnetCreate = &cobra.Command{
return fmt.Errorf("marshal subnet info: %w", err) return fmt.Errorf("marshal subnet info: %w", err)
} }
// initialize morph subnet client err = invokeMethod(key, true, "put", binID, key.PublicKey().Bytes(), binInfo)
var cSubnet morphsubnet.Client
err = initSubnetClientCheckNotary(&cSubnet, &key, true)
if err != nil { if err != nil {
return fmt.Errorf("init subnet client: %w", err) return fmt.Errorf("morph invocation: %w", err)
}
// prepare call parameters and create subnet
var prm morphsubnet.PutPrm
prm.SetID(binID)
prm.SetOwner(key.PublicKey().Bytes())
prm.SetInfo(binInfo)
_, err = cSubnet.Put(prm)
if err != nil {
return fmt.Errorf("morph call: %w", err)
} }
cmd.Printf("Create subnet request sent successfully. ID: %s.\n", &id) cmd.Printf("Create subnet request sent successfully. ID: %s.\n", &id)
@ -303,22 +230,9 @@ var cmdSubnetRemove = &cobra.Command{
return fmt.Errorf("marshal subnet ID: %w", err) return fmt.Errorf("marshal subnet ID: %w", err)
} }
// initialize morph subnet client err = invokeMethod(key, false, "delete", binID)
var cSubnet morphsubnet.Client
err = initSubnetClient(&cSubnet, &key)
if err != nil { if err != nil {
return fmt.Errorf("init subnet client: %w", err) return fmt.Errorf("morph invocation: %w", err)
}
// prepare call parameters and remove subnet
var prm morphsubnet.DeletePrm
prm.SetID(binID)
_, err = cSubnet.Delete(prm)
if err != nil {
return fmt.Errorf("morph call: %w", err)
} }
cmd.Println("Remove subnet request sent successfully.") cmd.Println("Remove subnet request sent successfully.")
@ -360,9 +274,6 @@ var cmdSubnetGet = &cobra.Command{
return fmt.Errorf("marshal subnet ID: %w", err) return fmt.Errorf("marshal subnet ID: %w", err)
} }
// initialize morph subnet client
var cSubnet morphsubnet.Client
// use random key to fetch the data // use random key to fetch the data
// we could use raw neo-go client to perform testInvoke // we could use raw neo-go client to perform testInvoke
// without keys, as it is done in other commands // without keys, as it is done in other commands
@ -371,25 +282,23 @@ var cmdSubnetGet = &cobra.Command{
return fmt.Errorf("init subnet client: %w", err) return fmt.Errorf("init subnet client: %w", err)
} }
err = initSubnetClient(&cSubnet, key) res, err := testInvokeMethod(*key, "get", binID)
if err != nil { if err != nil {
return fmt.Errorf("init subnet client: %w", err) return fmt.Errorf("morph invocation: %w", err)
} }
// prepare call parameters and read subnet if len(res) == 0 {
var prm morphsubnet.GetPrm return errors.New("subnet does not exist")
}
prm.SetID(binID) data, err := client.BytesFromStackItem(res[0])
res, err := cSubnet.Get(prm)
if err != nil { if err != nil {
return fmt.Errorf("morph call: %w", err) return fmt.Errorf("decoding contract response: %w", err)
} }
// decode info // decode info
var info subnet.Info var info subnet.Info
if err = info.Unmarshal(data); err != nil {
if err = info.Unmarshal(res.Info()); err != nil {
return fmt.Errorf("decode subnet info: %w", err) return fmt.Errorf("decode subnet info: %w", err)
} }
@ -473,7 +382,10 @@ func manageSubnetAdmins(cmd *cobra.Command, rm bool) error {
} }
// prepare call parameters // prepare call parameters
var prm morphsubnet.ManageAdminsPrm prm := make([]interface{}, 0, 3)
prm = append(prm, binID)
var method string
if viper.GetBool(flagSubnetAdminClient) { if viper.GetBool(flagSubnetAdminClient) {
// read group ID and encode it // read group ID and encode it
@ -489,28 +401,26 @@ func manageSubnetAdmins(cmd *cobra.Command, rm bool) error {
return fmt.Errorf("marshal group ID: %w", err) return fmt.Errorf("marshal group ID: %w", err)
} }
prm.SetClient()
prm.SetGroup(binGroupID)
}
prm.SetSubnet(binID)
prm.SetAdmin(binAdminKey)
if rm { if rm {
prm.SetRemove() method = "removeClientAdmin"
} else {
method = "addClientAdmin"
} }
// initialize morph subnet client prm = append(prm, binGroupID)
var cSubnet morphsubnet.Client } else {
if rm {
err = initSubnetClient(&cSubnet, &key) method = "removeNodeAdmin"
if err != nil { } else {
return fmt.Errorf("init subnet client: %w", err) method = "addNodeAdmin"
}
} }
_, err = cSubnet.ManageAdmins(prm) prm = append(prm, binAdminKey)
err = invokeMethod(key, false, method, prm...)
if err != nil { if err != nil {
return fmt.Errorf("morph call: %w", err) return fmt.Errorf("morph invocation: %w", err)
} }
var op string var op string
@ -628,27 +538,16 @@ func manageSubnetClients(cmd *cobra.Command, rm bool) error {
return fmt.Errorf("marshal group ID: %w", err) return fmt.Errorf("marshal group ID: %w", err)
} }
var prm morphsubnet.ManageClientsPrm var method string
prm.SetGroup(binGroupID)
prm.SetSubnet(binID)
prm.SetClient(clientID.WalletBytes())
if rm { if rm {
prm.SetRemove() method = "removeUser"
} else {
method = "addUser"
} }
// initialize morph subnet client err = invokeMethod(key, false, method, binID, binGroupID, clientID.WalletBytes())
var cSubnet morphsubnet.Client
err = initSubnetClient(&cSubnet, &key)
if err != nil { if err != nil {
return fmt.Errorf("init subnet client: %w", err) return fmt.Errorf("morph invocation: %w", err)
}
_, err = cSubnet.ManageClients(prm)
if err != nil {
return fmt.Errorf("morph call: %w", err)
} }
var op string var op string
@ -728,26 +627,16 @@ func manageSubnetNodes(cmd *cobra.Command, rm bool) error {
return fmt.Errorf("node ID format: %w", err) return fmt.Errorf("node ID format: %w", err)
} }
var prm morphsubnet.ManageNodesPrm var method string
prm.SetSubnet(binID)
prm.SetNode(binNodeID)
if rm { if rm {
prm.SetRemove() method = "removeNode"
} else {
method = "addNode"
} }
// initialize morph subnet client err = invokeMethod(key, false, method, binID, binNodeID)
var cSubnet morphsubnet.Client
err = initSubnetClient(&cSubnet, &key)
if err != nil { if err != nil {
return fmt.Errorf("init subnet client: %w", err) return fmt.Errorf("morph invocation: %w", err)
}
_, err = cSubnet.ManageNodes(prm)
if err != nil {
return fmt.Errorf("morph call: %w", err)
} }
var op string var op string
@ -897,8 +786,8 @@ func init() {
// subnet global flags // subnet global flags
cmdSubnetFlags := cmdSubnet.PersistentFlags() cmdSubnetFlags := cmdSubnet.PersistentFlags()
cmdSubnetFlags.StringP(flagSubnetEndpoint, "r", "", "N3 RPC node endpoint") cmdSubnetFlags.StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
_ = cmdSubnet.MarkFlagRequired(flagSubnetEndpoint) _ = cmdSubnet.MarkFlagRequired(endpointFlag)
// add all subnet commands to corresponding command section // add all subnet commands to corresponding command section
addCommandInheritPreRun(cmdSubnet, addCommandInheritPreRun(cmdSubnet,
@ -910,3 +799,318 @@ func init() {
cmdSubnetNode, cmdSubnetNode,
) )
} }
func testInvokeMethod(key keys.PrivateKey, method string, args ...interface{}) ([]stackitem.Item, error) {
c, err := getN3Client(viper.GetViper())
if err != nil {
return nil, fmt.Errorf("morph client creation: %w", err)
}
nnsCs, err := c.GetContractStateByID(1)
if err != nil {
return nil, fmt.Errorf("NNS contract resolving: %w", err)
}
subnetHash, err := nnsResolveHash(c, nnsCs.Hash, subnetContract+".neofs")
if err != nil {
return nil, fmt.Errorf("subnet hash resolving: %w", err)
}
cosigner := []transaction.Signer{
{
Account: key.PublicKey().GetScriptHash(),
Scopes: transaction.Global,
},
}
res, err := invokeFunction(c, subnetHash, method, args, cosigner)
if err != nil {
return nil, fmt.Errorf("invocation parameters prepararion: %w", err)
}
err = checkInvocationResults(res)
if err != nil {
return nil, err
}
return res.Stack, nil
}
func invokeMethod(key keys.PrivateKey, tryNotary bool, method string, args ...interface{}) error {
c, err := getN3Client(viper.GetViper())
if err != nil {
return fmt.Errorf("morph client creation: %w", err)
}
if tryNotary {
cc, err := c.GetNativeContracts()
if err != nil {
return fmt.Errorf("native hashes: %w", err)
}
var notary bool
var notaryHash util.Uint160
for _, c := range cc {
if c.Manifest.Name == nativenames.Notary {
notary = len(c.UpdateHistory) > 0
notaryHash = c.Hash
break
}
}
if notary {
err = invokeNotary(c, key, method, notaryHash, args...)
if err != nil {
return fmt.Errorf("notary invocation: %w", err)
}
return nil
}
}
err = invokeNonNotary(c, key, method, args...)
if err != nil {
return fmt.Errorf("non-notary invocation: %w", err)
}
return nil
}
func invokeNonNotary(c Client, key keys.PrivateKey, method string, args ...interface{}) error {
nnsCs, err := c.GetContractStateByID(1)
if err != nil {
return fmt.Errorf("NNS contract resolving: %w", err)
}
subnetHash, err := nnsResolveHash(c, nnsCs.Hash, subnetContract+".neofs")
if err != nil {
return fmt.Errorf("subnet hash resolving: %w", err)
}
acc := wallet.NewAccountFromPrivateKey(&key)
cosigner := []transaction.Signer{
{
Account: key.PublicKey().GetScriptHash(),
Scopes: transaction.Global,
},
}
cosignerAcc := []neogocli.SignerAccount{
{
Signer: cosigner[0],
Account: acc,
},
}
test, err := invokeFunction(c, subnetHash, method, args, cosigner)
if err != nil {
return fmt.Errorf("test invocation: %w", err)
}
err = checkInvocationResults(test)
if err != nil {
return err
}
_, err = c.SignAndPushInvocationTx(test.Script, acc, test.GasConsumed, 0, cosignerAcc)
if err != nil {
return fmt.Errorf("sending transaction: %w", err)
}
return nil
}
func invokeNotary(c Client, key keys.PrivateKey, method string, notaryHash util.Uint160, args ...interface{}) error {
nnsCs, err := c.GetContractStateByID(1)
if err != nil {
return fmt.Errorf("NNS contract resolving: %w", err)
}
subnetHash, err := nnsResolveHash(c, nnsCs.Hash, subnetContract+".neofs")
if err != nil {
return fmt.Errorf("subnet hash resolving: %w", err)
}
alphabet, err := c.GetCommittee()
if err != nil {
return fmt.Errorf("alphabet list: %w", err)
}
multisigScript, err := smartcontract.CreateDefaultMultiSigRedeemScript(alphabet)
if err != nil {
return fmt.Errorf("alphabet multi-signature script: %w", err)
}
cosigners, err := notaryCosigners(c, notaryHash, nnsCs, key, hash.Hash160(multisigScript))
if err != nil {
return fmt.Errorf("cosigners collecting: %w", err)
}
// make test invocation of the method
test, err := invokeFunction(c, subnetHash, method, args, cosigners)
if err != nil {
return fmt.Errorf("test invocation: %w", err)
}
err = checkInvocationResults(test)
if err != nil {
return err
}
multisigAccount := &wallet.Account{
Contract: &wallet.Contract{
Script: multisigScript,
},
}
bc, err := c.GetBlockCount()
if err != nil {
return fmt.Errorf("blockchain height: %w", err)
}
signersNumber := uint8(smartcontract.GetDefaultHonestNodeCount(len(alphabet)) + 1) // alphabet multisig + key signature
// notaryRequestValidity is number of blocks during
// witch notary request is considered valid
const notaryRequestValidity = 100
mainTx := &transaction.Transaction{
Nonce: rand.Uint32(),
SystemFee: test.GasConsumed,
ValidUntilBlock: bc + notaryRequestValidity,
Script: test.Script,
Attributes: []transaction.Attribute{
{
Type: transaction.NotaryAssistedT,
Value: &transaction.NotaryAssisted{NKeys: signersNumber},
},
},
Signers: cosigners,
}
notaryFee, err := c.CalculateNotaryFee(signersNumber)
if err != nil {
return err
}
acc := wallet.NewAccountFromPrivateKey(&key)
aa := notaryAccounts(multisigAccount, acc)
err = c.AddNetworkFee(mainTx, notaryFee, aa...)
if err != nil {
return fmt.Errorf("notary network fee adding: %w", err)
}
mainTx.Scripts = notaryWitnesses(c, multisigAccount, acc, mainTx)
_, err = c.SignAndPushP2PNotaryRequest(mainTx,
[]byte{byte(opcode.RET)},
-1,
0,
40,
acc)
if err != nil {
return fmt.Errorf("sending notary request: %w", err)
}
return nil
}
func notaryCosigners(c Client, notaryHash util.Uint160, nnsCs *state.Contract,
key keys.PrivateKey, alphabetAccount util.Uint160) ([]transaction.Signer, error) {
proxyHash, err := nnsResolveHash(c, nnsCs.Hash, proxyContract+".neofs")
if err != nil {
return nil, fmt.Errorf("proxy hash resolving: %w", err)
}
return []transaction.Signer{
{
Account: proxyHash,
Scopes: transaction.None,
},
{
Account: alphabetAccount,
Scopes: transaction.Global,
},
{
Account: hash.Hash160(key.PublicKey().GetVerificationScript()),
Scopes: transaction.Global,
},
{
Account: notaryHash,
Scopes: transaction.None,
},
}, nil
}
func notaryAccounts(alphabet, acc *wallet.Account) []*wallet.Account {
return []*wallet.Account{
// proxy
{
Contract: &wallet.Contract{
Deployed: true,
},
},
alphabet,
// caller's account
acc,
// last one is a placeholder for notary contract account
{
Contract: &wallet.Contract{},
},
}
}
func notaryWitnesses(c Client, alphabet, acc *wallet.Account, tx *transaction.Transaction) []transaction.Witness {
ww := make([]transaction.Witness, 0, 4)
// empty proxy contract witness
ww = append(ww, transaction.Witness{
InvocationScript: []byte{},
VerificationScript: []byte{},
})
// alphabet multi-address witness
ww = append(ww, transaction.Witness{
InvocationScript: append(
[]byte{byte(opcode.PUSHDATA1), 64},
make([]byte, 64)...,
),
VerificationScript: alphabet.GetVerificationScript(),
})
magicNumber, _ := c.GetNetwork()
// caller's witness
ww = append(ww, transaction.Witness{
InvocationScript: append(
[]byte{byte(opcode.PUSHDATA1), 64},
acc.PrivateKey().SignHashable(uint32(magicNumber), tx)...),
VerificationScript: acc.GetVerificationScript(),
})
// notary contract witness
ww = append(ww, transaction.Witness{
InvocationScript: append(
[]byte{byte(opcode.PUSHDATA1), 64},
make([]byte, 64)...,
),
VerificationScript: []byte{},
})
return ww
}
func checkInvocationResults(res *result.Invoke) error {
if res.State != "HALT" {
return fmt.Errorf("test invocation state: %s, exception %s: ", res.State, res.FaultException)
}
if len(res.Script) == 0 {
return errors.New("empty invocation script")
}
return nil
}