ceremonyclient/nekryptology/test/dkg/2p/server.go

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2023-07-05 05:32:28 +00:00
//
// Copyright Coinbase, Inc. All Rights Reserved.
//
// SPDX-License-Identifier: Apache-2.0
//
package main
import (
"encoding/json"
"log"
"os"
"github.com/pkg/errors"
dkg "source.quilibrium.com/quilibrium/monorepo/nekryptology/pkg/dkg/gennaro2p"
)
type server struct {
p *dkg.Participant
l *log.Logger
}
type phase1Response struct {
R1 dkg.Round1Message `json:"r1"`
R2 dkg.Round2Message `json:"r2"`
}
// Runs server's R1 and R2
func (s *server) phase1(in *dkg.Round1Message) (*dkg.Round1Message, *dkg.Round2Message) {
// Setup logger
s.l = log.New(os.Stdout, "[server] ", log.Lshortfile|log.Lmsgprefix)
s.l.Println("Initializing server")
var err error
s.p, err = dkg.NewParticipant(serverSageSsid, clientSsid, in.Blind, curveScalar, curve)
dieOnError(err)
// DKG Round 1
s.l.Println("Running DKG round 1")
r1Out, err := s.p.Round1(nil)
dieOnError(err)
s.l.Printf("r1Out=%#v", r1Out)
// DKG Round 2
s.l.Println("Running DKG round 2")
r2out, err := s.p.Round2(in)
dieOnError(err)
s.l.Printf("r2out=%#v", r2out)
return r1Out, r2out
}
// Runs server's finalize
func (s *server) phase2(in *dkg.Round2Message) {
// DKG finalize
s.l.Println("Finalize DKG")
result, err := s.p.Finalize(in)
dieOnError(err)
s.l.Printf("result=%#v", result)
}
// Runs server's R1 and R2 with in/out in JSON
func (s *server) phase1Json(req []byte) []byte {
// Deserialize the Round1 input
in := &dkg.Round1Message{}
err := json.Unmarshal(req, &in)
dieOnError(errors.Wrapf(err, "unmarshaling Round1Message from req=%v", string(req)))
// Run phase 1 and marshal
r1, r2 := s.phase1(in)
out, err := json.Marshal(&phase1Response{*r1, *r2})
dieOnError(errors.Wrap(err, "marshaling phase1 response"))
return out
}
// Runs server's Finalize with in/out in JSON
func (s *server) phase2Json(req []byte) {
// Deserialize the Round2 input
in := &dkg.Round2Message{}
err := json.Unmarshal(req, &in)
dieOnError(errors.Wrapf(err, "unmarshaling Round2Message from req=%v", string(req)))
// Run finalize
s.phase2(in)
}