Move to frostfs-node

Signed-off-by: Pavel Karpy <p.karpy@yadro.com>

cmd/frostfs-adm/internal/modules/morph/initialize_transfer.go

@@ -0,0 +1,190 @@
+package morph
+
+import (
+	"fmt"
+
+	"github.com/nspcc-dev/neo-go/pkg/core/native"
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
+	"github.com/nspcc-dev/neo-go/pkg/io"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/gas"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/neo"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	scContext "github.com/nspcc-dev/neo-go/pkg/smartcontract/context"
+	"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/wallet"
+)
+
+const (
+	gasInitialTotalSupply = 30000000 * native.GASFactor
+	// initialAlphabetGASAmount represents the amount of GAS given to each alphabet node.
+	initialAlphabetGASAmount = 10_000 * native.GASFactor
+	// initialProxyGASAmount represents the amount of GAS given to a proxy contract.
+	initialProxyGASAmount = 50_000 * native.GASFactor
+)
+
+func (c *initializeContext) transferFunds() error {
+	ok, err := c.transferFundsFinished()
+	if ok || err != nil {
+		if err == nil {
+			c.Command.Println("Stage 1: already performed.")
+		}
+		return err
+	}
+
+	var transfers []rpcclient.TransferTarget
+	for _, acc := range c.Accounts {
+		to := acc.Contract.ScriptHash()
+		transfers = append(transfers,
+			rpcclient.TransferTarget{
+				Token:   gas.Hash,
+				Address: to,
+				Amount:  initialAlphabetGASAmount,
+			},
+		)
+	}
+
+	// It is convenient to have all funds at the committee account.
+	transfers = append(transfers,
+		rpcclient.TransferTarget{
+			Token:   gas.Hash,
+			Address: c.CommitteeAcc.Contract.ScriptHash(),
+			Amount:  (gasInitialTotalSupply - initialAlphabetGASAmount*int64(len(c.Wallets))) / 2,
+		},
+		rpcclient.TransferTarget{
+			Token:   neo.Hash,
+			Address: c.CommitteeAcc.Contract.ScriptHash(),
+			Amount:  native.NEOTotalSupply,
+		},
+	)
+
+	tx, err := createNEP17MultiTransferTx(c.Client, c.ConsensusAcc, 0, transfers, []rpcclient.SignerAccount{{
+		Signer: transaction.Signer{
+			Account: c.ConsensusAcc.Contract.ScriptHash(),
+			Scopes:  transaction.CalledByEntry,
+		},
+		Account: c.ConsensusAcc,
+	}})
+	if err != nil {
+		return fmt.Errorf("can't create transfer transaction: %w", err)
+	}
+
+	if err := c.multiSignAndSend(tx, consensusAccountName); err != nil {
+		return fmt.Errorf("can't send transfer transaction: %w", err)
+	}
+
+	return c.awaitTx()
+}
+
+func (c *initializeContext) transferFundsFinished() (bool, error) {
+	acc := c.Accounts[0]
+
+	res, err := c.Client.NEP17BalanceOf(gas.Hash, acc.Contract.ScriptHash())
+	return res > initialAlphabetGASAmount/2, err
+}
+
+func (c *initializeContext) multiSignAndSend(tx *transaction.Transaction, accType string) error {
+	if err := c.multiSign(tx, accType); err != nil {
+		return err
+	}
+
+	return c.sendTx(tx, c.Command, false)
+}
+
+func (c *initializeContext) multiSign(tx *transaction.Transaction, accType string) error {
+	network, err := c.Client.GetNetwork()
+	if err != nil {
+		// error appears only if client
+		// has not been initialized
+		panic(err)
+	}
+
+	// Use parameter context to avoid dealing with signature order.
+	pc := scContext.NewParameterContext("", network, tx)
+	h := c.CommitteeAcc.Contract.ScriptHash()
+	if accType == consensusAccountName {
+		h = c.ConsensusAcc.Contract.ScriptHash()
+	}
+	for _, w := range c.Wallets {
+		acc, err := getWalletAccount(w, accType)
+		if err != nil {
+			return fmt.Errorf("can't find %s wallet account: %w", accType, err)
+		}
+
+		priv := acc.PrivateKey()
+		sign := priv.SignHashable(uint32(network), tx)
+		if err := pc.AddSignature(h, acc.Contract, priv.PublicKey(), sign); err != nil {
+			return fmt.Errorf("can't add signature: %w", err)
+		}
+		if len(pc.Items[h].Signatures) == len(acc.Contract.Parameters) {
+			break
+		}
+	}
+
+	w, err := pc.GetWitness(h)
+	if err != nil {
+		return fmt.Errorf("incomplete signature: %w", err)
+	}
+
+	for i := range tx.Signers {
+		if tx.Signers[i].Account == h {
+			if i < len(tx.Scripts) {
+				tx.Scripts[i] = *w
+			} else if i == len(tx.Scripts) {
+				tx.Scripts = append(tx.Scripts, *w)
+			} else {
+				panic("BUG: invalid signing order")
+			}
+			return nil
+		}
+	}
+
+	return fmt.Errorf("%s account was not found among transaction signers", accType)
+}
+
+func (c *initializeContext) transferGASToProxy() error {
+	proxyCs := c.getContract(proxyContract)
+
+	bal, err := c.Client.NEP17BalanceOf(gas.Hash, proxyCs.Hash)
+	if err != nil || bal > 0 {
+		return err
+	}
+
+	tx, err := createNEP17MultiTransferTx(c.Client, c.CommitteeAcc, 0, []rpcclient.TransferTarget{{
+		Token:   gas.Hash,
+		Address: proxyCs.Hash,
+		Amount:  initialProxyGASAmount,
+	}}, nil)
+	if err != nil {
+		return err
+	}
+
+	if err := c.multiSignAndSend(tx, committeeAccountName); err != nil {
+		return err
+	}
+
+	return c.awaitTx()
+}
+
+func createNEP17MultiTransferTx(c Client, acc *wallet.Account, netFee int64,
+	recipients []rpcclient.TransferTarget, cosigners []rpcclient.SignerAccount) (*transaction.Transaction, error) {
+	from := acc.Contract.ScriptHash()
+
+	w := io.NewBufBinWriter()
+	for i := range recipients {
+		emit.AppCall(w.BinWriter, recipients[i].Token, "transfer", callflag.All,
+			from, recipients[i].Address, recipients[i].Amount, recipients[i].Data)
+		emit.Opcodes(w.BinWriter, opcode.ASSERT)
+	}
+	if w.Err != nil {
+		return nil, fmt.Errorf("failed to create transfer script: %w", w.Err)
+	}
+	return c.CreateTxFromScript(w.Bytes(), acc, -1, netFee, append([]rpcclient.SignerAccount{{
+		Signer: transaction.Signer{
+			Account: from,
+			Scopes:  transaction.CalledByEntry,
+		},
+		Account: acc,
+	}}, cosigners...))
+}