mirror of https://github.com/status-im/go-waku.git
304 lines
9.5 KiB
Go
304 lines
9.5 KiB
Go
//go:build include_onchain_tests
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// +build include_onchain_tests
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package rln
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import (
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"context"
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"crypto/ecdsa"
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"crypto/rand"
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"errors"
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"math/big"
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"sync"
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"testing"
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"time"
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r "github.com/status-im/go-rln/rln"
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"github.com/ethereum/go-ethereum/accounts/abi/bind"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/ethclient"
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"github.com/status-im/go-waku/tests"
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"github.com/status-im/go-waku/waku/v2/protocol/relay"
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"github.com/status-im/go-waku/waku/v2/protocol/rln/contracts"
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"github.com/status-im/go-waku/waku/v2/utils"
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"github.com/stretchr/testify/suite"
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)
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const ETH_CLIENT_ADDRESS = "ws://localhost:8545"
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func TestWakuRLNRelayDynamicSuite(t *testing.T) {
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suite.Run(t, new(WakuRLNRelayDynamicSuite))
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}
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type WakuRLNRelayDynamicSuite struct {
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suite.Suite
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backend *ethclient.Client
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chainID *big.Int
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rlnAddr common.Address
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rlnContract *contracts.RLN
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u1PrivKey *ecdsa.PrivateKey
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u2PrivKey *ecdsa.PrivateKey
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u3PrivKey *ecdsa.PrivateKey
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u4PrivKey *ecdsa.PrivateKey
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u5PrivKey *ecdsa.PrivateKey
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}
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func (s *WakuRLNRelayDynamicSuite) SetupTest() {
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backend, err := ethclient.Dial(ETH_CLIENT_ADDRESS)
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s.Require().NoError(err)
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chainID, err := backend.ChainID(context.TODO())
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s.Require().NoError(err)
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// TODO: obtain account list from ganache mnemonic or from eth_accounts
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s.u1PrivKey, err = crypto.ToECDSA(common.FromHex("0x156ec84a451d8a2d0062993242b6c4e863647f5544ff8030f23578d4142f43f8"))
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s.Require().NoError(err)
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s.u2PrivKey, err = crypto.ToECDSA(common.FromHex("0xa00da43843ad6b5161ddbace48f293ac3f82f8a8257af34de4c32900bb6e9a97"))
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s.Require().NoError(err)
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s.u3PrivKey, err = crypto.ToECDSA(common.FromHex("0xa4c8d3ed78cd722521fac9d734c45187a4f5e887570be1f707a7bbce054c01ea"))
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s.Require().NoError(err)
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s.u4PrivKey, err = crypto.ToECDSA(common.FromHex("0x6b11ba548a7fd1958eb156877cc7bdd02d99d876b55381aa9b106c16b0b7a805"))
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s.Require().NoError(err)
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s.u5PrivKey, err = crypto.ToECDSA(common.FromHex("0x0410196287d0af405e5c16f610de52416bd48be74836dbca93d73e24bffb5a81"))
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s.Require().NoError(err)
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s.backend = backend
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s.chainID = chainID
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// Deploying contracts
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auth, err := bind.NewKeyedTransactorWithChainID(s.u1PrivKey, chainID)
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s.Require().NoError(err)
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poseidonHasherAddr, _, _, err := contracts.DeployPoseidonHasher(auth, backend)
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s.Require().NoError(err)
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rlnAddr, _, rlnContract, err := contracts.DeployRLN(auth, backend, MEMBERSHIP_FEE, big.NewInt(20), poseidonHasherAddr)
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s.Require().NoError(err)
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s.rlnAddr = rlnAddr
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s.rlnContract = rlnContract
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}
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func (s *WakuRLNRelayDynamicSuite) register(privKey *ecdsa.PrivateKey, commitment *big.Int) {
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auth, err := bind.NewKeyedTransactorWithChainID(privKey, s.chainID)
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s.Require().NoError(err)
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auth.Value = MEMBERSHIP_FEE
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auth.Context = context.TODO()
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tx, err := s.rlnContract.Register(auth, commitment)
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s.Require().NoError(err)
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_, err = bind.WaitMined(context.TODO(), s.backend, tx)
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s.Require().NoError(err)
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}
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func (s *WakuRLNRelayDynamicSuite) TestDynamicGroupManagement() {
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params, err := parametersKeyBytes()
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s.Require().NoError(err)
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// Create a RLN instance
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rlnInstance, err := r.NewRLN(params)
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s.Require().NoError(err)
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keyPair, err := rlnInstance.MembershipKeyGen()
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s.Require().NoError(err)
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// initialize the WakuRLNRelay
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rlnPeer := &WakuRLNRelay{
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ctx: context.TODO(),
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membershipIndex: r.MembershipIndex(0),
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membershipContractAddress: s.rlnAddr,
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ethClientAddress: ETH_CLIENT_ADDRESS,
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ethAccountPrivateKey: s.u1PrivKey,
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RLN: rlnInstance,
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log: utils.Logger(),
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nullifierLog: make(map[r.Epoch][]r.ProofMetadata),
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membershipKeyPair: *keyPair,
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}
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// generate another membership key pair
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keyPair2, err := rlnInstance.MembershipKeyGen()
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s.Require().NoError(err)
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wg := &sync.WaitGroup{}
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wg.Add(2)
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handler := func(pubkey r.IDCommitment, index r.MembershipIndex) error {
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if pubkey == keyPair.IDCommitment || pubkey == keyPair2.IDCommitment {
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wg.Done()
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}
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if !rlnInstance.InsertMember(pubkey) {
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return errors.New("couldn't insert member")
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}
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return nil
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}
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// mount the handler for listening to the contract events
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go rlnPeer.HandleGroupUpdates(handler)
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// Register first member
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s.register(s.u1PrivKey, toBigInt(keyPair.IDCommitment[:]))
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// Register second member
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s.register(s.u2PrivKey, toBigInt(keyPair2.IDCommitment[:]))
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wg.Wait()
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}
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func (s *WakuRLNRelayDynamicSuite) TestInsertKeyMembershipContract() {
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s.register(s.u1PrivKey, big.NewInt(20))
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// Batch Register
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auth, err := bind.NewKeyedTransactorWithChainID(s.u2PrivKey, s.chainID)
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s.Require().NoError(err)
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auth.Value = MEMBERSHIP_FEE.Mul(big.NewInt(2), MEMBERSHIP_FEE)
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auth.Context = context.TODO()
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tx, err := s.rlnContract.RegisterBatch(auth, []*big.Int{big.NewInt(20), big.NewInt(21)})
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s.Require().NoError(err)
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_, err = bind.WaitMined(context.TODO(), s.backend, tx)
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s.Require().NoError(err)
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}
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func (s *WakuRLNRelayDynamicSuite) TestRegistrationProcedure() {
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params, err := parametersKeyBytes()
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s.Require().NoError(err)
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// Create a RLN instance
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rlnInstance, err := r.NewRLN(params)
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s.Require().NoError(err)
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keyPair, err := rlnInstance.MembershipKeyGen()
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s.Require().NoError(err)
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// initialize the WakuRLNRelay
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rlnPeer := &WakuRLNRelay{
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ctx: context.TODO(),
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membershipIndex: r.MembershipIndex(0),
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membershipContractAddress: s.rlnAddr,
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ethClientAddress: ETH_CLIENT_ADDRESS,
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ethAccountPrivateKey: s.u1PrivKey,
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RLN: rlnInstance,
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log: utils.Logger(),
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nullifierLog: make(map[r.Epoch][]r.ProofMetadata),
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membershipKeyPair: *keyPair,
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}
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_, err = rlnPeer.Register(context.TODO())
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s.Require().NoError(err)
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}
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func (s *WakuRLNRelayDynamicSuite) TestMerkleTreeConstruction() {
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params, err := parametersKeyBytes()
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s.Require().NoError(err)
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// Create a RLN instance
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rlnInstance, err := r.NewRLN(params)
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s.Require().NoError(err)
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keyPair1, err := rlnInstance.MembershipKeyGen()
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s.Require().NoError(err)
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keyPair2, err := rlnInstance.MembershipKeyGen()
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s.Require().NoError(err)
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r1 := rlnInstance.InsertMember(keyPair1.IDCommitment)
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r2 := rlnInstance.InsertMember(keyPair2.IDCommitment)
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s.Require().True(r1)
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s.Require().True(r2)
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// get the Merkle root
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expectedRoot, err := rlnInstance.GetMerkleRoot()
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s.Require().NoError(err)
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// register the members to the contract
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s.register(s.u1PrivKey, toBigInt(keyPair1.IDCommitment[:]))
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s.register(s.u1PrivKey, toBigInt(keyPair2.IDCommitment[:]))
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port, err := tests.FindFreePort(s.T(), "", 5)
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s.Require().NoError(err)
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host, err := tests.MakeHost(context.TODO(), port, rand.Reader)
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s.Require().NoError(err)
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relay, err := relay.NewWakuRelay(context.TODO(), host, nil, 0, utils.Logger())
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defer relay.Stop()
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s.Require().NoError(err)
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sub, err := relay.SubscribeToTopic(context.TODO(), RLNRELAY_PUBSUB_TOPIC)
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s.Require().NoError(err)
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defer sub.Unsubscribe()
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// mount the rln relay protocol in the on-chain/dynamic mode
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rlnRelay, err := RlnRelayDynamic(context.TODO(), relay, ETH_CLIENT_ADDRESS, nil, s.rlnAddr, keyPair1, r.MembershipIndex(0), RLNRELAY_PUBSUB_TOPIC, RLNRELAY_CONTENT_TOPIC, nil, utils.Logger())
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s.Require().NoError(err)
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// wait for the event to reach the group handler
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time.Sleep(1 * time.Second)
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// rln pks are inserted into the rln peer's Merkle tree and the resulting root
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// is expected to be the same as the calculatedRoot i.e., the one calculated outside of the mountRlnRelayDynamic proc
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calculatedRoot, err := rlnRelay.RLN.GetMerkleRoot()
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s.Require().NoError(err)
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s.Require().Equal(expectedRoot, calculatedRoot)
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}
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func (s *WakuRLNRelayDynamicSuite) TestCorrectRegistrationOfPeers() {
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// Node 1 ============================================================
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port1, err := tests.FindFreePort(s.T(), "", 5)
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s.Require().NoError(err)
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host1, err := tests.MakeHost(context.TODO(), port1, rand.Reader)
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s.Require().NoError(err)
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relay1, err := relay.NewWakuRelay(context.TODO(), host1, nil, 0, utils.Logger())
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defer relay1.Stop()
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s.Require().NoError(err)
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sub1, err := relay1.SubscribeToTopic(context.TODO(), RLNRELAY_PUBSUB_TOPIC)
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s.Require().NoError(err)
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defer sub1.Unsubscribe()
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// mount the rln relay protocol in the on-chain/dynamic mode
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rlnRelay1, err := RlnRelayDynamic(context.TODO(), relay1, ETH_CLIENT_ADDRESS, s.u1PrivKey, s.rlnAddr, nil, r.MembershipIndex(0), RLNRELAY_PUBSUB_TOPIC, RLNRELAY_CONTENT_TOPIC, nil, utils.Logger())
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s.Require().NoError(err)
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// Node 2 ============================================================
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port2, err := tests.FindFreePort(s.T(), "", 5)
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s.Require().NoError(err)
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host2, err := tests.MakeHost(context.TODO(), port2, rand.Reader)
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s.Require().NoError(err)
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relay2, err := relay.NewWakuRelay(context.TODO(), host2, nil, 0, utils.Logger())
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defer relay2.Stop()
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s.Require().NoError(err)
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sub2, err := relay2.SubscribeToTopic(context.TODO(), RLNRELAY_PUBSUB_TOPIC)
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s.Require().NoError(err)
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defer sub2.Unsubscribe()
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// mount the rln relay protocol in the on-chain/dynamic mode
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rlnRelay2, err := RlnRelayDynamic(context.TODO(), relay2, ETH_CLIENT_ADDRESS, s.u2PrivKey, s.rlnAddr, nil, r.MembershipIndex(0), RLNRELAY_PUBSUB_TOPIC, RLNRELAY_CONTENT_TOPIC, nil, utils.Logger())
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s.Require().NoError(err)
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// ==================================
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// the two nodes should be registered into the contract
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// since nodes are spun up sequentially
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// the first node has index 0 whereas the second node gets index 1
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s.Require().Equal(r.MembershipIndex(0), rlnRelay1.membershipIndex)
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s.Require().Equal(r.MembershipIndex(1), rlnRelay2.membershipIndex)
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}
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