ed80f704d0
Make IR processor of NeoFS contract to handle `Bind`/`Unbind` notification events. The processor verifies the format of wallet script hash and public keys, and call NeoFS ID client wrapper in order to approve adding/removing keys from NeoFS account. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
110 lines
2 KiB
Go
110 lines
2 KiB
Go
package neofs
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import (
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"crypto/elliptic"
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"fmt"
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"github.com/mr-tron/base58"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/encoding/address"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neofs-node/pkg/morph/event/neofs"
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"go.uber.org/zap"
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)
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type bindCommon interface {
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User() []byte
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Keys() [][]byte
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}
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func (np *Processor) processBind(e bindCommon) {
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if !np.alphabetState.IsAlphabet() {
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np.log.Info("non alphabet mode, ignore bind")
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return
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}
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c := &bindCommonContext{
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bindCommon: e,
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}
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_, c.bind = e.(neofs.Bind)
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err := np.checkBindCommon(c)
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if err != nil {
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np.log.Error("invalid manage key event",
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zap.Bool("bind", c.bind),
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zap.String("error", err.Error()),
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)
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return
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}
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np.approveBindCommon(c)
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}
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type bindCommonContext struct {
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bindCommon
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bind bool
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scriptHash util.Uint160
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}
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func (np *Processor) checkBindCommon(e *bindCommonContext) error {
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var err error
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e.scriptHash, err = util.Uint160DecodeBytesBE(e.User())
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if err != nil {
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return err
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}
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curve := elliptic.P256()
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for _, key := range e.Keys() {
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_, err = keys.NewPublicKeyFromBytes(key, curve)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func (np *Processor) approveBindCommon(e *bindCommonContext) {
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// calculate wallet address
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// TODO: implement some utilities in API Go lib to do it
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scriptHash := e.User()
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u160, err := util.Uint160DecodeBytesBE(scriptHash)
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if err != nil {
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np.log.Error("could not decode script hash from bytes",
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zap.String("error", err.Error()),
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)
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return
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}
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wallet, err := base58.Decode(address.Uint160ToString(u160))
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if err != nil {
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np.log.Error("could not decode wallet address",
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zap.String("error", err.Error()),
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)
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return
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}
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err = np.neofsIDClient.ManageKeys(wallet, e.Keys(), e.bind)
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if err != nil {
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var typ string
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if e.bind {
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typ = "bind"
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} else {
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typ = "unbind"
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}
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np.log.Error(fmt.Sprintf("could not approve %s", typ),
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zap.String("error", err.Error()),
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)
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}
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}
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