[#687] neofs-adm: register candidates

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgenii Stratonikov 2021-07-22 10:57:11 +03:00 committed by Alex Vanin
parent 0efc7b7fee
commit df1b26c708
2 changed files with 128 additions and 2 deletions

View file

@ -68,8 +68,15 @@ func initializeSideChainCmd(cmd *cobra.Command, args []string) error {
return err
}
// TODO 5. Setup NeoFS contracts addresses in NNS.
// TODO 6. Register candidates and call alphabet.Vote.
cmd.Println("Stage 5: register candidates.")
if err := initCtx.registerCandidates(); err != nil {
return err
}
cmd.Println("Stage 6: transfer NEO to alphabet contracts.")
if err := initCtx.transferNEOToAlphabetContracts(); err != nil {
return err
}
cmd.Println("endpoint:", viper.GetString(endpointFlag))
cmd.Println("alphabet-wallets:", viper.GetString(alphabetWalletsFlag))

View file

@ -0,0 +1,119 @@
package morph
import (
"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"
"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"
"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"
)
// initialAlphabetNEOAmount represents total amount of GAS distributed between alphabet nodes.
const initialAlphabetNEOAmount = native.NEOTotalSupply
func (c *initializeContext) registerCandidates() error {
neoHash, err := c.Client.GetNativeContractHash(nativenames.Neo)
if err != nil {
return err
}
res, err := c.Client.InvokeFunction(neoHash, "getCandidates", []smartcontract.Parameter{}, nil)
if err != nil {
return err
}
if res.State == vm.HaltState.String() && len(res.Stack) > 0 {
arr, ok := res.Stack[0].Value().([]stackitem.Item)
if ok && len(arr) > 0 {
return nil
}
}
regPrice, err := c.Client.GetCandidateRegisterPrice()
if err != nil {
return fmt.Errorf("can't fetch registration price: %w", err)
}
sysGas := regPrice + native.GASFactor // + 1 GAS
for _, w := range c.Wallets {
acc, err := getWalletAccount(w, singleAccountName)
if err != nil {
return err
}
w := io.NewBufBinWriter()
emit.AppCall(w.BinWriter, neoHash, "registerCandidate", callflag.States, acc.PrivateKey().PublicKey().Bytes())
emit.Opcodes(w.BinWriter, opcode.ASSERT)
h, err := c.Client.SignAndPushInvocationTx(w.Bytes(), acc, sysGas, 0, []client.SignerAccount{{
Signer: transaction.Signer{
Account: acc.Contract.ScriptHash(),
Scopes: transaction.CalledByEntry,
},
Account: acc,
}})
if err != nil {
return err
}
c.Hashes = append(c.Hashes, h)
}
return c.awaitTx()
}
func (c *initializeContext) transferNEOToAlphabetContracts() error {
neoHash, err := c.Client.GetNativeContractHash(nativenames.Neo)
if err != nil {
return err
}
ok, err := c.transferNEOFinished(neoHash)
if ok || err != nil {
return err
}
ctrPath, err := c.Command.Flags().GetString(contractsInitFlag)
if err != nil {
return fmt.Errorf("missing contracts path: %w", err)
}
cs, err := c.readContract(ctrPath, alphabetContract)
if err != nil {
return fmt.Errorf("can't read alphabet contract: %w", err)
}
amount := initialAlphabetNEOAmount / len(c.Wallets)
bw := io.NewBufBinWriter()
for _, w := range c.Wallets {
acc, err := getWalletAccount(w, singleAccountName)
if err != nil {
return err
}
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)
}
if err := c.sendCommitteeTx(bw.Bytes(), -1); 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
}