frostfs-node/cmd/neofs-adm/internal/modules/morph/initialize_register.go

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package morph
import (
"errors"
"fmt"
"github.com/nspcc-dev/neo-go/pkg/core/native"
"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/io"
"github.com/nspcc-dev/neo-go/pkg/rpc/client"
"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/stackitem"
"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
)
// initialAlphabetNEOAmount represents the total amount of GAS distributed between alphabet nodes.
const initialAlphabetNEOAmount = native.NEOTotalSupply
func (c *initializeContext) registerCandidates() error {
neoHash := c.nativeHash(nativenames.Neo)
res, err := invokeFunction(c.Client, neoHash, "getCandidates", nil, nil)
if err != nil {
return err
}
if res.State == vmstate.Halt.String() && len(res.Stack) > 0 {
arr, ok := res.Stack[0].Value().([]stackitem.Item)
if ok && len(arr) > 0 {
c.Command.Println("Candidates are already registered.")
return nil
}
}
regPrice, err := c.getCandidateRegisterPrice()
if err != nil {
return fmt.Errorf("can't fetch registration price: %w", err)
}
w := io.NewBufBinWriter()
emit.AppCall(w.BinWriter, neoHash, "setRegisterPrice", callflag.States, 1)
for _, acc := range c.Accounts {
emit.AppCall(w.BinWriter, neoHash, "registerCandidate", callflag.States, acc.PrivateKey().PublicKey().Bytes())
emit.Opcodes(w.BinWriter, opcode.ASSERT)
}
emit.AppCall(w.BinWriter, neoHash, "setRegisterPrice", callflag.States, regPrice)
if w.Err != nil {
panic(fmt.Sprintf("BUG: %v", w.Err))
}
signers := []client.SignerAccount{{
Signer: c.getSigner(false),
Account: c.CommitteeAcc,
}}
for i := range c.Accounts {
signers = append(signers, client.SignerAccount{
Signer: transaction.Signer{
Account: c.Accounts[i].Contract.ScriptHash(),
Scopes: transaction.CustomContracts,
AllowedContracts: []util.Uint160{neoHash},
},
Account: c.Accounts[i],
})
}
tx, err := c.Client.CreateTxFromScript(w.Bytes(), c.CommitteeAcc, -1, 0, signers)
if err != nil {
return fmt.Errorf("can't create tx: %w", err)
}
if err := c.multiSign(tx, committeeAccountName); err != nil {
return fmt.Errorf("can't sign a transaction: %w", err)
}
network, _ := c.Client.GetNetwork()
for i := range c.Accounts {
if err := c.Accounts[i].SignTx(network, tx); err != nil {
return fmt.Errorf("can't sign a transaction: %w", err)
}
}
return c.sendTx(tx, c.Command, true)
}
func (c *initializeContext) transferNEOToAlphabetContracts() error {
neoHash := c.nativeHash(nativenames.Neo)
ok, err := c.transferNEOFinished(neoHash)
if ok || err != nil {
return err
}
cs := c.getContract(alphabetContract)
amount := initialAlphabetNEOAmount / len(c.Wallets)
bw := io.NewBufBinWriter()
for _, acc := range c.Accounts {
h := state.CreateContractHash(acc.Contract.ScriptHash(), cs.NEF.Checksum, cs.Manifest.Name)
emit.AppCall(bw.BinWriter, neoHash, "transfer", callflag.All,
c.CommitteeAcc.Contract.ScriptHash(), h, int64(amount), nil)
emit.Opcodes(bw.BinWriter, opcode.ASSERT)
}
if err := c.sendCommitteeTx(bw.Bytes(), -1, false); err != nil {
return err
}
return c.awaitTx()
}
func (c *initializeContext) transferNEOFinished(neoHash util.Uint160) (bool, error) {
bal, err := c.Client.NEP17BalanceOf(neoHash, c.CommitteeAcc.Contract.ScriptHash())
return bal < native.NEOTotalSupply, err
}
var errGetPriceInvalid = errors.New("`getRegisterPrice`: invalid response")
func (c *initializeContext) getCandidateRegisterPrice() (int64, error) {
switch ct := c.Client.(type) {
case *client.Client:
return ct.GetCandidateRegisterPrice()
default:
neoHash := c.nativeHash(nativenames.Neo)
res, err := invokeFunction(c.Client, neoHash, "getRegisterPrice", nil, nil)
if err != nil {
return 0, err
}
if len(res.Stack) == 0 {
return 0, errGetPriceInvalid
}
bi, err := res.Stack[0].TryInteger()
if err != nil || !bi.IsInt64() {
return 0, errGetPriceInvalid
}
return bi.Int64(), nil
}
}