mirror of https://github.com/status-im/go-waku.git
332 lines
10 KiB
Go
332 lines
10 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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"bytes"
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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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"os"
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"testing"
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"time"
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"github.com/waku-org/go-zerokit-rln/rln"
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r "github.com/waku-org/go-zerokit-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/stretchr/testify/suite"
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"github.com/waku-org/go-waku/tests"
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"github.com/waku-org/go-waku/waku/v2/protocol/relay"
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"github.com/waku-org/go-waku/waku/v2/protocol/rln/contracts"
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"github.com/waku-org/go-waku/waku/v2/protocol/rln/group_manager"
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"github.com/waku-org/go-waku/waku/v2/protocol/rln/group_manager/dynamic"
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"github.com/waku-org/go-waku/waku/v2/timesource"
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"github.com/waku-org/go-waku/waku/v2/utils"
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)
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var MEMBERSHIP_FEE = big.NewInt(1000000000000000) // wei - 0.001 eth
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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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clientAddr string
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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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s.clientAddr = os.Getenv("GANACHE_NETWORK_RPC_URL")
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if s.clientAddr == "" {
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s.clientAddr = "ws://localhost:8545"
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}
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backend, err := ethclient.Dial(s.clientAddr)
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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, handler func(evt *contracts.RLNMemberRegistered) error) {
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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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receipt, err := bind.WaitMined(context.TODO(), s.backend, tx)
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s.Require().NoError(err)
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evt, err := s.rlnContract.ParseMemberRegistered(*receipt.Logs[0])
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s.Require().NoError(err)
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if handler != nil {
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err = handler(evt)
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s.Require().NoError(err)
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}
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}
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func (s *WakuRLNRelayDynamicSuite) TestDynamicGroupManagement() {
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// Create a RLN instance
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rlnInstance, err := r.NewRLN()
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s.Require().NoError(err)
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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.Background(), port, rand.Reader)
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s.Require().NoError(err)
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relay := relay.NewWakuRelay(nil, 0, timesource.NewDefaultClock(), utils.Logger())
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relay.SetHost(host)
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err = relay.Start(context.TODO())
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defer relay.Stop()
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s.Require().NoError(err)
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rt, err := group_manager.NewMerkleRootTracker(5, rlnInstance)
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s.Require().NoError(err)
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gm, err := dynamic.NewDynamicGroupManager(s.clientAddr, s.u1PrivKey, s.rlnAddr, "./test_onchain.json", "", false, nil, utils.Logger())
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s.Require().NoError(err)
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// initialize the WakuRLNRelay
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rlnRelay := &WakuRLNRelay{
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rootTracker: rt,
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groupManager: gm,
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relay: relay,
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RLN: rlnInstance,
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log: utils.Logger(),
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nullifierLog: make(map[r.MerkleNode][]r.ProofMetadata),
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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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err = rlnRelay.Start(context.Background())
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s.Require().NoError(err)
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// register user
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gm.Register(context.TODO())
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handler := func(evt *contracts.RLNMemberRegistered) error {
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pubkey := rln.Bytes32(evt.Pubkey.Bytes())
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if !bytes.Equal(pubkey[:], keyPair2.IDCommitment[:]) {
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return errors.New("not found")
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}
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return rlnInstance.InsertMember(pubkey)
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}
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// register member with contract
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s.register(s.u2PrivKey, dynamic.ToBigInt(keyPair2.IDCommitment[:]), handler)
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time.Sleep(2 * time.Second)
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}
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func (s *WakuRLNRelayDynamicSuite) TestInsertKeyMembershipContract() {
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s.register(s.u1PrivKey, big.NewInt(20), nil)
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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) TestMerkleTreeConstruction() {
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// Create a RLN instance
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rlnInstance, err := r.NewRLN()
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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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err = rlnInstance.InsertMember(keyPair1.IDCommitment)
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s.Require().NoError(err)
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err = rlnInstance.InsertMember(keyPair2.IDCommitment)
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s.Require().NoError(err)
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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, dynamic.ToBigInt(keyPair1.IDCommitment[:]), nil)
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s.register(s.u1PrivKey, dynamic.ToBigInt(keyPair2.IDCommitment[:]), nil)
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// Creating relay
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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.Background(), port, rand.Reader)
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s.Require().NoError(err)
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relay := relay.NewWakuRelay(nil, 0, timesource.NewDefaultClock(), utils.Logger())
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relay.SetHost(host)
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err = relay.Start(context.TODO())
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defer relay.Stop()
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s.Require().NoError(err)
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// Subscribing to topic
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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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gm, err := dynamic.NewDynamicGroupManager(s.clientAddr, s.u1PrivKey, s.rlnAddr, "./test_onchain.json", "", false, nil, utils.Logger())
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s.Require().NoError(err)
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rlnRelay, err := New(relay, gm, RLNRELAY_PUBSUB_TOPIC, RLNRELAY_CONTENT_TOPIC, nil, timesource.NewDefaultClock(), utils.Logger())
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s.Require().NoError(err)
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// PreRegistering the keypair
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membershipIndex := rln.MembershipIndex(0)
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gm.SetCredentials(keyPair1, &membershipIndex)
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err = rlnRelay.Start(context.TODO())
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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(2 * 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.Background(), port1, rand.Reader)
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s.Require().NoError(err)
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relay1 := relay.NewWakuRelay(nil, 0, timesource.NewDefaultClock(), utils.Logger())
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relay1.SetHost(host1)
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err = relay1.Start(context.TODO())
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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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gm1, err := dynamic.NewDynamicGroupManager(s.clientAddr, s.u1PrivKey, s.rlnAddr, "./test_onchain.json", "", false, nil, utils.Logger())
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s.Require().NoError(err)
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rlnRelay1, err := New(relay1, gm1, RLNRELAY_PUBSUB_TOPIC, RLNRELAY_CONTENT_TOPIC, nil, timesource.NewDefaultClock(), utils.Logger())
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s.Require().NoError(err)
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err = rlnRelay1.Start(context.TODO())
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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.Background(), port2, rand.Reader)
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s.Require().NoError(err)
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relay2 := relay.NewWakuRelay(nil, 0, timesource.NewDefaultClock(), utils.Logger())
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relay2.SetHost(host2)
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err = relay2.Start(context.TODO())
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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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gm2, err := dynamic.NewDynamicGroupManager(s.clientAddr, s.u2PrivKey, s.rlnAddr, "./test_onchain.json", "", false, nil, utils.Logger())
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s.Require().NoError(err)
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rlnRelay2, err := New(relay2, gm2, RLNRELAY_PUBSUB_TOPIC, RLNRELAY_CONTENT_TOPIC, nil, timesource.NewDefaultClock(), utils.Logger())
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s.Require().NoError(err)
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err = rlnRelay2.Start(context.TODO())
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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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idx1, err := rlnRelay1.groupManager.MembershipIndex()
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s.Require().NoError(err)
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idx2, err := rlnRelay2.groupManager.MembershipIndex()
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s.Require().NoError(err)
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s.Require().Equal(r.MembershipIndex(0), idx1)
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s.Require().Equal(r.MembershipIndex(1), idx2)
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}
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