frostfs-node/cmd/neofs-adm/internal/modules/morph/initialize_nns.go
Evgenii Stratonikov c78350846a [#687] neofs-adm: set aliases for contract hashes in NNS
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2021-07-26 16:04:05 +03:00

100 lines
2.9 KiB
Go

package morph
import (
"fmt"
nns "github.com/nspcc-dev/neo-go/examples/nft-nd-nns"
"github.com/nspcc-dev/neo-go/pkg/core/native"
"github.com/nspcc-dev/neo-go/pkg/core/state"
"github.com/nspcc-dev/neo-go/pkg/io"
"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"
)
const defaultNameServiceDomainPrice = 10_0000_0000
const defaultNameServiceSysfee = 4000_0000
const defaultRegisterSysfee = 10_0000_0000 + defaultNameServiceDomainPrice
func (c *initializeContext) setNNS() error {
ctrPath, err := c.Command.Flags().GetString(contractsInitFlag)
if err != nil {
return fmt.Errorf("missing contracts path: %w", err)
}
cs, err := c.readContract(ctrPath, nnsContract)
if err != nil {
return err
}
h := state.CreateContractHash(c.CommitteeAcc.Contract.ScriptHash(), cs.NEF.Checksum, cs.Manifest.Name)
ok, err := c.nnsRootRegistered(h)
if err != nil {
return err
} else if !ok {
bw := io.NewBufBinWriter()
emit.AppCall(bw.BinWriter, h, "addRoot", callflag.All, "neofs")
if err := c.sendCommitteeTx(bw.Bytes(), -1); err != nil {
return fmt.Errorf("can't add domain root to NNS: %w", err)
}
if err := c.awaitTx(); err != nil {
return err
}
}
for _, ctrName := range contractList {
cs, err := c.readContract(ctrPath, ctrName)
if err != nil {
return err
}
cs.Hash = state.CreateContractHash(c.CommitteeAcc.Contract.ScriptHash(), cs.NEF.Checksum, cs.Manifest.Name)
domain := ctrName + ".neofs"
if ok, err := c.nnsDomainAvailable(h, domain); err != nil {
return err
} else if !ok {
continue
}
bw := io.NewBufBinWriter()
emit.AppCall(bw.BinWriter, h, "register", callflag.All,
domain, c.CommitteeAcc.Contract.ScriptHash())
emit.Opcodes(bw.BinWriter, opcode.ASSERT)
emit.AppCall(bw.BinWriter, h, "setRecord", callflag.All,
domain, int64(nns.TXT), cs.Hash.StringLE())
sysFee := int64(defaultRegisterSysfee + native.GASFactor)
if err := c.sendCommitteeTx(bw.Bytes(), sysFee); err != nil {
return err
}
}
return c.awaitTx()
}
func (c *initializeContext) nnsRootRegistered(nnsHash util.Uint160) (bool, error) {
params := []smartcontract.Parameter{{Type: smartcontract.StringType, Value: "name.neofs"}}
res, err := c.Client.InvokeFunction(nnsHash, "isAvailable", params, nil)
if err != nil {
return false, err
}
return res.State == vm.HaltState.String(), nil
}
func (c *initializeContext) nnsDomainAvailable(nnsHash util.Uint160, domain string) (bool, error) {
params := []smartcontract.Parameter{{Type: smartcontract.StringType, Value: domain}}
res, err := c.Client.InvokeFunction(nnsHash, "isAvailable", params, nil)
if err != nil {
return false, err
}
if len(res.Stack) == 0 {
return true, nil
}
if ok, err := res.Stack[0].TryBool(); err == nil {
return ok, nil
}
return true, nil
}