add: fixed ed25519 cryptography, added ethereum subscription, solana client integration into node, miner and consensus changes

.gitignore

@@ -20,4 +20,6 @@
 eth-contracts/node_modules
 /dione
 /.dione-config.toml
+/.dione-config-2.toml
+/.dione-config-3.toml
 eth-contracts/build

config/config.go

@@ -9,6 +9,7 @@ import (
 type Config struct {
 	ListenPort             int            `mapstructure:"listen_port"`
 	ListenAddr             string         `mapstructure:"listen_addr"`
+	IsBootstrap            bool           `mapstructure:"is_bootstrap"`
 	BootstrapNodes         []string       `mapstructure:"bootstrap_node_multiaddr"`
 	Rendezvous             string         `mapstructure:"rendezvous"`
 	Ethereum               EthereumConfig `mapstructure:"ethereum"`
@@ -23,6 +24,7 @@ type EthereumConfig struct {
 	PrivateKey                   string `mapstructure:"private_key"`
 	OracleEmitterContractAddress string `mapstructure:"oracle_emitter_contract_address"`
 	AggregatorContractAddress    string `mapstructure:"aggregator_contract_address"`
+	DioneStakingContractAddress  string `mapstructure:"dione_staking_address"`
 }
 
 type FilecoinConfig struct {

consensus/consensus.go

@@ -11,9 +11,9 @@ import (
 type ConsensusState int
 
 const (
-	consensusPrePrepared ConsensusState = 0x0
+	ConsensusPrePrepared ConsensusState = 0x0
-	consensusPrepared    ConsensusState = 0x1
+	ConsensusPrepared    ConsensusState = 0x1
-	consensusCommitted   ConsensusState = 0x2
+	ConsensusCommitted   ConsensusState = 0x2
 
 	testValidData = "test"
 )
@@ -60,7 +60,7 @@ func (pcm *PBFTConsensusManager) NewTestConsensus(data string, consensusID strin
 	msg.Payload["data"] = data
 	pcm.psb.BroadcastToServiceTopic(&msg)
 
-	cData.State = consensusPrePrepared
+	cData.State = ConsensusPrePrepared
 	logrus.Debug("started new consensus: " + consensusID)
 }
 
@@ -99,7 +99,7 @@ func (pcm *PBFTConsensusManager) handlePreparedMessage(message *models.Message)
 			logrus.Warn("Unable to send COMMIT message: " + err.Error())
 			return
 		}
-		data.State = consensusPrepared
+		data.State = ConsensusPrepared
 	}
 }
 
@@ -115,7 +115,7 @@ func (pcm *PBFTConsensusManager) handleCommitMessage(message *models.Message) {
 
 	data.mutex.Lock()
 	defer data.mutex.Unlock()
-	if data.State == consensusCommitted {
+	if data.State == ConsensusCommitted {
 		logrus.Debug("consensus already finished, dropping COMMIT message")
 		return
 	}
@@ -125,7 +125,7 @@ func (pcm *PBFTConsensusManager) handleCommitMessage(message *models.Message) {
 	data.commitCount++
 
 	if data.commitCount > 2*pcm.maxFaultNodes+1 {
-		data.State = consensusCommitted
+		data.State = ConsensusCommitted
 		data.result = message.Payload["data"].(string)
 		logrus.Debug("consensus successfully finished with result: " + data.result)
 		data.onConsensusFinishCallback(data.result)

consensus/miner.go

@@ -2,9 +2,13 @@ package consensus
 
 import (
 	"context"
+	"encoding/json"
 	"sync"
 
 	"github.com/Secured-Finance/dione/beacon"
+	"github.com/Secured-Finance/dione/contracts/oracleEmitter"
+	"github.com/Secured-Finance/dione/solana"
+	solTypes "github.com/Secured-Finance/dione/solana/types"
 
 	"github.com/libp2p/go-libp2p-core/peer"
 
@@ -23,6 +27,7 @@ type Miner struct {
 	mutex        sync.Mutex
 	beacon       beacon.BeaconNetworks
 	ethClient    *ethclient.EthereumClient
+	solanaClient *solana.SolanaClient
 	minerStake   types.BigInt
 	networkStake types.BigInt
 }
@@ -33,6 +38,7 @@ func NewMiner(
 	api WalletAPI,
 	beacon beacon.BeaconNetworks,
 	ethClient *ethclient.EthereumClient,
+	solanaClient *solana.SolanaClient,
 ) *Miner {
 	return &Miner{
 		address:      address,
@@ -40,6 +46,7 @@ func NewMiner(
 		api:          api,
 		beacon:       beacon,
 		ethClient:    ethClient,
+		solanaClient: solanaClient,
 	}
 }
 
@@ -68,7 +75,7 @@ func (m *Miner) UpdateCurrentStakeInfo() error {
 	return nil
 }
 
-func (m *Miner) MineTask(ctx context.Context, payload []byte) (*types.DioneTask, error) {
+func (m *Miner) MineTask(ctx context.Context, event *oracleEmitter.OracleEmitterNewOracleRequest, sign SignFunc) (*types.DioneTask, error) {
 	bvals, err := beacon.BeaconEntriesForTask(ctx, m.beacon)
 	if err != nil {
 		return nil, xerrors.Errorf("failed to get beacon entries: %w", err)
@@ -94,13 +101,30 @@ func (m *Miner) MineTask(ctx context.Context, payload []byte) (*types.DioneTask,
 	if winner == nil {
 		return nil, nil
 	}
+
+	res, err := m.solanaClient.GetTransaction(event.RequestParams)
+	if err != nil {
+		return nil, xerrors.Errorf("Couldn't get solana request: %w", err)
+	}
+	response := res.Body()
+	var txRes solTypes.TxResponse
+	if err = json.Unmarshal(response, &txRes); err != nil {
+		return nil, xerrors.Errorf("Couldn't unmarshal solana response: %w", err)
+	}
+	blockHash := txRes.Result.Transaction.Message.RecentBlockhash
+	signature, err := sign(ctx, m.address, response)
+	if err != nil {
+		return nil, xerrors.Errorf("Couldn't sign solana response: %w", err)
+	}
+
 	return &types.DioneTask{
 		Miner:         m.address,
 		Ticket:        ticket,
 		ElectionProof: winner,
 		BeaconEntries: bvals,
-		Payload:       payload,
+		Payload:       response,
-		// TODO: signature
+		BlockHash:     blockHash,
+		Signature:     signature,
 		DrandRound:    types.DrandRound(rbase.Round),
 	}, nil
 }

ethclient/ethereum.go

@@ -5,8 +5,9 @@ import (
 	"math/big"
 
 	"github.com/Secured-Finance/dione/contracts/aggregator"
+	"github.com/Secured-Finance/dione/contracts/dioneStaking"
 	stakingContract "github.com/Secured-Finance/dione/contracts/dioneStaking"
-	oracleEmitter "github.com/Secured-Finance/dione/contracts/oracleemitter"
+	oracleEmitter "github.com/Secured-Finance/dione/contracts/oracleEmitter"
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
@@ -44,7 +45,7 @@ func NewEthereumClient() *EthereumClient {
 	return ethereumClient
 }
 
-func (c *EthereumClient) Initialize(ctx context.Context, url, privateKey, oracleEmitterContractAddress, aggregatorContractAddress string) error {
+func (c *EthereumClient) Initialize(ctx context.Context, url, privateKey, oracleEmitterContractAddress, aggregatorContractAddress, dioneStakingAddress string) error {
 	client, err := ethclient.Dial(url)
 	if err != nil {
 		return err
@@ -66,6 +67,10 @@ func (c *EthereumClient) Initialize(ctx context.Context, url, privateKey, oracle
 	if err != nil {
 		return err
 	}
+	stakingContract, err := dioneStaking.NewDioneStaking(common.HexToAddress(dioneStakingAddress), client)
+	if err != nil {
+		return err
+	}
 	c.oracleEmitter = &oracleEmitter.OracleEmitterSession{
 		Contract: emitter,
 		CallOpts: bind.CallOpts{
@@ -96,6 +101,21 @@ func (c *EthereumClient) Initialize(ctx context.Context, url, privateKey, oracle
 			Context:  context.Background(),
 		},
 	}
+	c.dioneStaking = &dioneStaking.DioneStakingSession{
+		Contract: stakingContract,
+		CallOpts: bind.CallOpts{
+			Pending: true,
+			From:    authTransactor.From,
+			Context: context.Background(),
+		},
+		TransactOpts: bind.TransactOpts{
+			From:     authTransactor.From,
+			Signer:   authTransactor.Signer,
+			GasLimit: 0,   // 0 automatically estimates gas limit
+			GasPrice: nil, // nil automatically suggests gas price
+			Context:  context.Background(),
+		},
+	}
 	return nil
 }
 
@@ -103,12 +123,12 @@ func (c *EthereumClient) GetEthAddress() *common.Address {
 	return c.ethAddress
 }
 
-func (c *EthereumClient) SubscribeOnOracleEvents() (chan *oracleEmitter.OracleEmitterNewOracleRequest, event.Subscription, error) {
+func (c *EthereumClient) SubscribeOnOracleEvents(ctx context.Context) (chan *oracleEmitter.OracleEmitterNewOracleRequest, event.Subscription, error) {
 	resChan := make(chan *oracleEmitter.OracleEmitterNewOracleRequest)
 	requestsFilter := c.oracleEmitter.Contract.OracleEmitterFilterer
 	subscription, err := requestsFilter.WatchNewOracleRequest(&bind.WatchOpts{
 		Start:   nil, //last block
-		Context: nil,
+		Context: ctx,
 	}, resChan)
 	if err != nil {
 		return nil, nil, err

node/ethereum.go

@@ -0,0 +1,49 @@
+package node
+
+import (
+	"context"
+
+	"github.com/Secured-Finance/dione/consensus"
+	"github.com/sirupsen/logrus"
+)
+
+func (n *Node) subscribeOnEthContracts(ctx context.Context) {
+	eventChan, subscription, err := n.Ethereum.SubscribeOnOracleEvents(ctx)
+	if err != nil {
+		logrus.Fatal("Can't subscribe on ethereum contracts, exiting... ", err)
+	}
+
+	go func() {
+	EventLoop:
+		for {
+			select {
+			case event := <-eventChan:
+				{
+					task, err := n.Miner.MineTask(ctx, event, n.Wallet.WalletSign)
+					if err != nil {
+						logrus.Fatal("Error with mining algorithm, exiting... ", err)
+					}
+					logrus.Info("BlockHash for Solana transaction: ", task.BlockHash)
+					logrus.Info("Started new consensus round with ID: ", task.BlockHash)
+					n.ConsensusManager.NewTestConsensus(string(task.BlockHash), task.BlockHash, func(finalData string) {
+						if finalData != string(task.BlockHash) {
+							logrus.Warn("Expected final data to be %s, not %s", finalData)
+						}
+					})
+
+					if n.ConsensusManager.Consensuses[task.BlockHash].State == consensus.ConsensusCommitted {
+						logrus.Info("Consensus ID: ", task.BlockHash, " was successfull")
+						logrus.Info("Submitting on-chain result: ", task.BlockHash, "for consensus ID: ", task.BlockHash)
+						if err := n.Ethereum.SubmitRequestAnswer(event.RequestID, task.BlockHash, event.CallbackAddress, event.CallbackMethodID); err != nil {
+							logrus.Warn("Can't submit request to ethereum chain: ", err)
+						}
+					}
+				}
+			case <-ctx.Done():
+				break EventLoop
+			case <-subscription.Err():
+				logrus.Fatal("Error with ethereum subscription, exiting... ", err)
+			}
+		}
+	}()
+}

node/node.go

@@ -70,6 +70,7 @@ func (n *Node) setupNode(ctx context.Context, prvKey crypto.PrivKey, pexDiscover
 	if err != nil {
 		logrus.Fatal(err)
 	}
+	n.setupSolanaClient()
 	n.setupPubsub()
 	n.setupConsensusManager(n.Config.ConsensusMaxFaultNodes)
 	err = n.setupBeacon()
@@ -84,10 +85,11 @@ func (n *Node) setupNode(ctx context.Context, prvKey crypto.PrivKey, pexDiscover
 	if err != nil {
 		logrus.Fatal(err)
 	}
+	n.subscribeOnEthContracts(ctx)
 }
 
 func (n *Node) setupMiner() error {
-	n.Miner = consensus.NewMiner(n.Host.ID(), *n.Ethereum.GetEthAddress(), n.Wallet, n.Beacon, n.Ethereum)
+	n.Miner = consensus.NewMiner(n.Host.ID(), *n.Ethereum.GetEthAddress(), n.Wallet, n.Beacon, n.Ethereum, n.Solana)
 	return nil
 }
 
@@ -129,6 +131,7 @@ func (n *Node) setupEthereumClient() error {
 		n.Config.Ethereum.PrivateKey,
 		n.Config.Ethereum.OracleEmitterContractAddress,
 		n.Config.Ethereum.AggregatorContractAddress,
+		n.Config.Ethereum.DioneStakingContractAddress,
 	)
 }
 
@@ -177,7 +180,9 @@ func (n *Node) setupLibp2pHost(ctx context.Context, privateKey crypto.PrivKey, p
 		}
 		bootstrapMaddrs = append(bootstrapMaddrs, maddr)
 	}
-
+	if n.Config.IsBootstrap {
+		bootstrapMaddrs = nil
+	}
 	discovery, err := pex.NewPEXDiscovery(host, bootstrapMaddrs, pexDiscoveryUpdateTime)
 	if err != nil {
 		logrus.Fatal("Can't set up PEX discovery protocol, exiting... ", err)

sigs/ed25519/ed25519.go

@@ -22,13 +22,13 @@ func (ed25519Signer) GenPrivate() ([]byte, error) {
 }
 
 func (ed25519Signer) ToPublic(priv []byte) ([]byte, error) {
-	privKey := ed25519.NewKeyFromSeed(priv)
+	var privKey ed25519.PrivateKey = priv
 	pubKey := privKey.Public().(ed25519.PublicKey)
 	return pubKey, nil
 }
 
 func (ed25519Signer) Sign(p []byte, msg []byte) ([]byte, error) {
-	privKey := ed25519.NewKeyFromSeed(p)
+	var privKey ed25519.PrivateKey = p
 	return ed25519.Sign(privKey, msg), nil
 }
 

solana/client.go

@@ -44,7 +44,7 @@ func (c *SolanaClient) GetTransaction(txHash string) (*fasthttp.Response, error)
 	req.Header.SetMethod("POST")
 	req.Header.SetContentType("application/json")
 	requestBody := rpc.NewRequestBody("getConfirmedTransaction")
-	requestBody.Params = append(requestBody.Params, txHash, "base58")
+	requestBody.Params = append(requestBody.Params, txHash, "json")
 	body, err := json.Marshal(requestBody)
 	if err != nil {
 		return nil, fmt.Errorf("Failed to marshal request body %v", err)

solana/types/transaction.go

@@ -0,0 +1,45 @@
+package types
+
+type TxResponse struct {
+	Jsonrpc string   `json:"jsonrpc"`
+	Result  TxResult `json:"result"`
+	ID      int      `json:"id"`
+}
+
+type TxStatus struct {
+	Ok interface{} `json:"Ok"`
+}
+type TxMeta struct {
+	Err               interface{}   `json:"err"`
+	Fee               int           `json:"fee"`
+	InnerInstructions []interface{} `json:"innerInstructions"`
+	LogMessages       []interface{} `json:"logMessages"`
+	PostBalances      []interface{} `json:"postBalances"`
+	PreBalances       []interface{} `json:"preBalances"`
+	Status            TxStatus      `json:"status"`
+}
+type TxHeader struct {
+	NumReadonlySignedAccounts   int `json:"numReadonlySignedAccounts"`
+	NumReadonlyUnsignedAccounts int `json:"numReadonlyUnsignedAccounts"`
+	NumRequiredSignatures       int `json:"numRequiredSignatures"`
+}
+type TxInstructions struct {
+	Accounts       []int  `json:"accounts"`
+	Data           string `json:"data"`
+	ProgramIDIndex int    `json:"programIdIndex"`
+}
+type Message struct {
+	AccountKeys     []string         `json:"accountKeys"`
+	Header          TxHeader         `json:"header"`
+	Instructions    []TxInstructions `json:"instructions"`
+	RecentBlockhash string           `json:"recentBlockhash"`
+}
+type Transaction struct {
+	Message    Message  `json:"message"`
+	Signatures []string `json:"signatures"`
+}
+type TxResult struct {
+	Meta        TxMeta      `json:"meta"`
+	Slot        int         `json:"slot"`
+	Transaction Transaction `json:"transaction"`
+}

types/signature.go

@@ -17,6 +17,17 @@ const (
 	SigTypeEd25519 = SigType(iota)
 )
 
+func (t SigType) Name() (string, error) {
+	switch t {
+	case SigTypeUnknown:
+		return "unknown", nil
+	case SigTypeEd25519:
+		return "ed25519", nil
+	default:
+		return "", fmt.Errorf("invalid signature type: %d", t)
+	}
+}
+
 const SignatureMaxLength = 200
 
 type Signature struct {

types/task.go

@@ -36,6 +36,31 @@ type DioneTask struct {
 	Signature     *Signature
 	DrandRound    DrandRound
 	Payload       []byte
+	BlockHash     string
+}
+
+func NewDioneTask(
+	t TaskType,
+	miner peer.ID,
+	ticket *Ticket,
+	electionProof *ElectionProof,
+	beacon []BeaconEntry,
+	sig *Signature,
+	drand DrandRound,
+	payload []byte,
+	blockHash string,
+) *DioneTask {
+	return &DioneTask{
+		Type:          t,
+		Miner:         miner,
+		Ticket:        ticket,
+		ElectionProof: electionProof,
+		BeaconEntries: beacon,
+		Signature:     sig,
+		DrandRound:    drand,
+		Payload:       payload,
+		BlockHash:     blockHash,
+	}
 }
 
 var tasksPerEpoch = NewInt(config.TasksPerEpoch)

wallet/wallet.go

@@ -7,6 +7,7 @@ import (
 	"github.com/libp2p/go-libp2p-core/peer"
 
 	"github.com/Secured-Finance/dione/sigs"
+	_ "github.com/Secured-Finance/dione/sigs/ed25519" // enable ed25519 signatures
 	"github.com/Secured-Finance/dione/types"
 	"github.com/filecoin-project/go-address"
 	"github.com/sirupsen/logrus"
@@ -107,11 +108,13 @@ func (w *LocalWallet) tryFind(addr peer.ID) (types.KeyInfo, error) {
 	if err != nil {
 		return types.KeyInfo{}, err
 	}
+	logrus.Info("tAddress: ", tAddress)
 
 	ki, err = w.keystore.Get(KNamePrefix + tAddress)
 	if err != nil {
 		return types.KeyInfo{}, err
 	}
+	logrus.Info("ki from tryFind: ", ki)
 
 	// We found it with the testnet prefix
 	// Add this KeyInfo with the mainnet prefix address string