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