100 lines
2.9 KiB
Go
100 lines
2.9 KiB
Go
package morph
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import (
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"fmt"
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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/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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ctrPath, err := c.Command.Flags().GetString(contractsInitFlag)
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if err != nil {
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return fmt.Errorf("missing contracts path: %w", err)
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}
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cs, err := c.readContract(ctrPath, 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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for _, ctrName := range contractList {
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cs, err := c.readContract(ctrPath, 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 ok, err := c.nnsDomainAvailable(h, domain); err != nil {
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return err
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} else if !ok {
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continue
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}
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bw := io.NewBufBinWriter()
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emit.AppCall(bw.BinWriter, h, "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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emit.AppCall(bw.BinWriter, h, "setRecord", callflag.All,
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domain, int64(nns.TXT), cs.Hash.StringLE())
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sysFee := int64(defaultRegisterSysfee + native.GASFactor)
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if err := c.sendCommitteeTx(bw.Bytes(), sysFee); err != nil {
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return err
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}
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}
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return c.awaitTx()
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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 (c *initializeContext) nnsDomainAvailable(nnsHash util.Uint160, domain string) (bool, error) {
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params := []smartcontract.Parameter{{Type: smartcontract.StringType, Value: domain}}
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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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if len(res.Stack) == 0 {
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return true, nil
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}
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if ok, err := res.Stack[0].TryBool(); err == nil {
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return ok, nil
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}
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return true, nil
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}
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