dex: bug fix to allow running geth without crashing

3 files changed, 50 insertions, 45 deletions

diff --git a/dex/backend.go b/dex/backend.go
index 2b4db94c4..d01ab8040 100644
--- a/dex/backend.go
+++ b/dex/backend.go
@@ -108,11 +108,14 @@ func New(ctx *node.ServiceContext, config *Config) (*Dexon, error) {
 	}
 	dex := &Dexon{
 		config:         config,
+		chainDb:        chainDb,
+		chainConfig:    chainConfig,
 		eventMux:       ctx.EventMux,
 		accountManager: ctx.AccountManager,
 		shutdownChan:   make(chan bool),
 		networkID:      config.NetworkId,
 		bloomRequests:  make(chan chan *bloombits.Retrieval),
+		bloomIndexer:   NewBloomIndexer(chainDb, params.BloomBitsBlocks, params.BloomConfirms),
 		network:        network,
 		blockdb:        db,
 		engine:         dexcon.New(&params.DexconConfig{}),
@@ -143,9 +146,9 @@ func New(ctx *node.ServiceContext, config *Config) (*Dexon, error) {
 
 	dex.APIBackend = &DexAPIBackend{dex, nil}
 	gpoParams := config.GPO
-	//if gpoParams.Default == nil {
-	//  gpoParams.Default = config.MinerGasPrice
-	//}
+	if gpoParams.Default == nil {
+		gpoParams.Default = config.DefaultGasPrice
+	}
 	dex.APIBackend.gpo = gasprice.NewOracle(dex.APIBackend, gpoParams)
 
 	dex.governance = NewDexconGovernance(dex.APIBackend, dex.chainConfig, config.PrivateKey)
diff --git a/dex/config.go b/dex/config.go
index 7e33ae05f..a3b682de0 100644
--- a/dex/config.go
+++ b/dex/config.go
@@ -29,6 +29,7 @@ import (
 	"github.com/dexon-foundation/dexon/core"
 	"github.com/dexon-foundation/dexon/dex/gasprice"
 	"github.com/dexon-foundation/dexon/eth/downloader"
+	"github.com/dexon-foundation/dexon/params"
 )
 
 // DefaultConfig contains default settings for use on the Ethereum main net.
@@ -47,7 +48,7 @@ var DefaultConfig = Config{
 		Blocks:     20,
 		Percentile: 60,
 	},
-
+	DefaultGasPrice:   big.NewInt(params.GWei),
 	GasFloor:          8000000,
 	GasCeil:           8000000,
 	GasLimitTolerance: 1000000,
@@ -96,6 +97,7 @@ type Config struct {
 	TrieTimeout        time.Duration
 
 	// For calculate gas limit
+	DefaultGasPrice   *big.Int
 	GasFloor          uint64
 	GasCeil           uint64
 	GasLimitTolerance uint64
diff --git a/dex/governance.go b/dex/governance.go
index 3f50ae408..369cc2f0c 100644
--- a/dex/governance.go
+++ b/dex/governance.go
@@ -92,6 +92,34 @@ func (d *DexconGovernance) Configuration(round uint64) *coreTypes.Config {
 	}
 }
 
+func (d *DexconGovernance) sendGovTx(ctx context.Context, data []byte) error {
+	gasPrice, err := d.b.SuggestPrice(ctx)
+	if err != nil {
+		return err
+	}
+
+	nonce, err := d.b.GetPoolNonce(ctx, d.address)
+	if err != nil {
+		return err
+	}
+
+	tx := types.NewTransaction(
+		nonce,
+		vm.GovernanceContractAddress,
+		big.NewInt(0),
+		uint64(200000),
+		gasPrice,
+		data)
+
+	signer := types.NewEIP155Signer(d.chainConfig.ChainID)
+
+	tx, err = types.SignTx(tx, signer, d.privateKey)
+	if err != nil {
+		return err
+	}
+	return d.b.SendTx(ctx, tx)
+}
+
 // CRS returns the CRS for a given round.
 func (d *DexconGovernance) CRS(round uint64) coreCommon.Hash {
 	s := d.getGovStateAtRound(round)
@@ -104,14 +132,14 @@ func (d *DexconGovernance) ProposeCRS(signedCRS []byte) {
 
 	res, err := method.Inputs.Pack(signedCRS)
 	if err != nil {
-		log.Error("failed to pack proposeCRS input: %s", err)
+		log.Error("failed to pack proposeCRS input", "err", err)
 		return
 	}
 
 	data := append(method.Id(), res...)
 	err = d.sendGovTx(context.Background(), data)
 	if err != nil {
-		log.Error("failed to send proposeCRS tx: %s", err)
+		log.Error("failed to send proposeCRS tx", "err", err)
 	}
 }
 
@@ -126,34 +154,6 @@ func (d *DexconGovernance) NodeSet(round uint64) []coreCrypto.PublicKey {
 	return pks
 }
 
-func (d *DexconGovernance) sendGovTx(ctx context.Context, data []byte) error {
-	gasPrice, err := d.b.SuggestPrice(ctx)
-	if err != nil {
-		return err
-	}
-
-	nonce, err := d.b.GetPoolNonce(ctx, d.address)
-	if err != nil {
-		return err
-	}
-
-	tx := types.NewTransaction(
-		nonce,
-		vm.GovernanceContractAddress,
-		big.NewInt(0),
-		uint64(200000),
-		gasPrice,
-		data)
-
-	signer := types.NewEIP155Signer(d.chainConfig.ChainID)
-
-	tx, err = types.SignTx(tx, signer, d.privateKey)
-	if err != nil {
-		return err
-	}
-	return d.b.SendTx(ctx, tx)
-}
-
 // NotifyRoundHeight register the mapping between round and height.
 func (d *DexconGovernance) NotifyRoundHeight(targetRound, consensusHeight uint64) {
 	method := vm.GovernanceContractName2Method["snapshotRound"]
@@ -161,14 +161,14 @@ func (d *DexconGovernance) NotifyRoundHeight(targetRound, consensusHeight uint64
 	res, err := method.Inputs.Pack(
 		big.NewInt(int64(targetRound)), big.NewInt(int64(consensusHeight)))
 	if err != nil {
-		log.Error("failed to pack snapshotRound input: %s", err)
+		log.Error("failed to pack snapshotRound input", "err", err)
 		return
 	}
 
 	data := append(method.Id(), res...)
 	err = d.sendGovTx(context.Background(), data)
 	if err != nil {
-		log.Error("failed to send snapshotRound tx: %s", err)
+		log.Error("failed to send snapshotRound tx", "err", err)
 	}
 }
 
@@ -178,20 +178,20 @@ func (d *DexconGovernance) AddDKGComplaint(round uint64, complaint *coreTypes.DK
 
 	encoded, err := rlp.EncodeToBytes(complaint)
 	if err != nil {
-		log.Error("failed to RLP encode complaint to bytes: %s", err)
+		log.Error("failed to RLP encode complaint to bytes", "err", err)
 		return
 	}
 
 	res, err := method.Inputs.Pack(big.NewInt(int64(round)), encoded)
 	if err != nil {
-		log.Error("failed to pack addDKGComplaint input: %s", err)
+		log.Error("failed to pack addDKGComplaint input", "err", err)
 		return
 	}
 
 	data := append(method.Id(), res...)
 	err = d.sendGovTx(context.Background(), data)
 	if err != nil {
-		log.Error("failed to send addDKGComplaint tx: %s", err)
+		log.Error("failed to send addDKGComplaint tx", "err", err)
 	}
 }
 
@@ -215,20 +215,20 @@ func (d *DexconGovernance) AddDKGMasterPublicKey(round uint64, masterPublicKey *
 
 	encoded, err := rlp.EncodeToBytes(masterPublicKey)
 	if err != nil {
-		log.Error("failed to RLP encode mpk to bytes: %s", err)
+		log.Error("failed to RLP encode mpk to bytes", "err", err)
 		return
 	}
 
 	res, err := method.Inputs.Pack(big.NewInt(int64(round)), encoded)
 	if err != nil {
-		log.Error("failed to pack addDKGMasterPublicKey input: %s", err)
+		log.Error("failed to pack addDKGMasterPublicKey input", "err", err)
 		return
 	}
 
 	data := append(method.Id(), res...)
 	err = d.sendGovTx(context.Background(), data)
 	if err != nil {
-		log.Error("failed to send addDKGMasterPublicKey tx: %s", err)
+		log.Error("failed to send addDKGMasterPublicKey tx", "err", err)
 	}
 }
 
@@ -252,20 +252,20 @@ func (d *DexconGovernance) AddDKGFinalize(round uint64, final *coreTypes.DKGFina
 
 	encoded, err := rlp.EncodeToBytes(final)
 	if err != nil {
-		log.Error("failed to RLP encode finalize to bytes: %s", err)
+		log.Error("failed to RLP encode finalize to bytes", "err", err)
 		return
 	}
 
 	res, err := method.Inputs.Pack(big.NewInt(int64(round)), encoded)
 	if err != nil {
-		log.Error("failed to pack addDKGFinalize input: %s", err)
+		log.Error("failed to pack addDKGFinalize input", "err", err)
 		return
 	}
 
 	data := append(method.Id(), res...)
 	err = d.sendGovTx(context.Background(), data)
 	if err != nil {
-		log.Error("failed to send addDKGFinalize tx: %s", err)
+		log.Error("failed to send addDKGFinalize tx", "err", err)
 	}
 }