128 lines
3.6 KiB
Go
128 lines
3.6 KiB
Go
package morph
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import (
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"fmt"
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"strconv"
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nns "github.com/nspcc-dev/neo-go/examples/nft-nd-nns"
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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/state"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/rpc/client"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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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"
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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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)
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const defaultNameServiceDomainPrice = 10_0000_0000
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const defaultNameServiceSysfee = 4000_0000
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const defaultRegisterSysfee = 10_0000_0000 + defaultNameServiceDomainPrice
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func (c *initializeContext) setNNS() error {
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cs, err := c.readContract(nnsContract)
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if err != nil {
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return err
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}
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h := state.CreateContractHash(c.CommitteeAcc.Contract.ScriptHash(), cs.NEF.Checksum, cs.Manifest.Name)
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ok, err := c.nnsRootRegistered(h)
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if err != nil {
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return err
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} else if !ok {
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bw := io.NewBufBinWriter()
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emit.AppCall(bw.BinWriter, h, "addRoot", callflag.All, "neofs")
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if err := c.sendCommitteeTx(bw.Bytes(), -1); err != nil {
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return fmt.Errorf("can't add domain root to NNS: %w", err)
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}
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if err := c.awaitTx(); err != nil {
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return err
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}
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}
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alphaCs, err := c.readContract(alphabetContract)
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if err != nil {
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return fmt.Errorf("can't read alphabet contract: %w", err)
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}
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for i, acc := range c.Accounts {
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alphaCs.Hash = state.CreateContractHash(acc.Contract.ScriptHash(), alphaCs.NEF.Checksum, alphaCs.Manifest.Name)
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domain := getAlphabetNNSDomain(i)
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if err := c.nnsRegisterDomain(h, alphaCs.Hash, domain); err != nil {
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return err
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}
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c.Command.Printf("NNS: Set %s -> %s\n", domain, alphaCs.Hash.StringLE())
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}
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for _, ctrName := range contractList {
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cs, err := c.readContract(ctrName)
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if err != nil {
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return err
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}
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cs.Hash = state.CreateContractHash(c.CommitteeAcc.Contract.ScriptHash(), cs.NEF.Checksum, cs.Manifest.Name)
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domain := ctrName + ".neofs"
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if err := c.nnsRegisterDomain(h, cs.Hash, domain); err != nil {
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return err
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}
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c.Command.Printf("NNS: Set %s -> %s\n", domain, cs.Hash.StringLE())
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}
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return c.awaitTx()
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}
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func getAlphabetNNSDomain(i int) string {
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return alphabetContract + strconv.FormatUint(uint64(i), 10) + ".neofs"
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}
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func (c *initializeContext) nnsRegisterDomain(nnsHash, expectedHash util.Uint160, domain string) error {
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ok, err := c.Client.NNSIsAvailable(nnsHash, domain)
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if err != nil {
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return err
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}
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bw := io.NewBufBinWriter()
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if ok {
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emit.AppCall(bw.BinWriter, nnsHash, "register", callflag.All,
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domain, c.CommitteeAcc.Contract.ScriptHash())
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emit.Opcodes(bw.BinWriter, opcode.ASSERT)
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} else {
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s, err := c.Client.NNSResolve(nnsHash, domain, nns.TXT)
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if err != nil {
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return err
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}
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if s == expectedHash.StringLE() {
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return nil
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}
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}
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emit.AppCall(bw.BinWriter, nnsHash, "setRecord", callflag.All,
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domain, int64(nns.TXT), expectedHash.StringLE())
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if bw.Err != nil {
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panic(bw.Err)
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}
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sysFee := int64(defaultRegisterSysfee + native.GASFactor)
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return c.sendCommitteeTx(bw.Bytes(), sysFee)
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}
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func (c *initializeContext) nnsRootRegistered(nnsHash util.Uint160) (bool, error) {
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params := []smartcontract.Parameter{{Type: smartcontract.StringType, Value: "name.neofs"}}
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res, err := c.Client.InvokeFunction(nnsHash, "isAvailable", params, nil)
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if err != nil {
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return false, err
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}
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return res.State == vm.HaltState.String(), nil
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}
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func nnsResolveHash(c *client.Client, nnsHash util.Uint160, domain string) (util.Uint160, error) {
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s, err := c.NNSResolve(nnsHash, domain, nns.TXT)
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if err != nil {
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return util.Uint160{}, err
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}
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return util.Uint160DecodeStringLE(s)
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}
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