core: more fix on light node synchronization (#32)

Fix gas calculation in governance contract.
Correctly register round height when processing pending blocks. We
should register the mapping when we get the pending block instead of
waiting for block confirmation.

2 files changed, 7 insertions, 8 deletions

diff --git a/dex/config.go b/dex/config.go
index e78a698a9..438e959e3 100644
--- a/dex/config.go
+++ b/dex/config.go
@@ -48,8 +48,8 @@ var DefaultConfig = Config{
 	},
 	BlockProposerEnabled: false,
 	DefaultGasPrice:      big.NewInt(params.GWei),
-	GasFloor:             8000000,
-	GasCeil:              8000000,
+	GasFloor:             80000000,
+	GasCeil:              80000000,
 	GasLimitTolerance:    1000000,
 }
 
diff --git a/dex/governance.go b/dex/governance.go
index 0251d2afd..f555b3508 100644
--- a/dex/governance.go
+++ b/dex/governance.go
@@ -79,6 +79,7 @@ func (d *DexconGovernance) getGovStateAtRound(round uint64) *vm.GovernanceStateH
 
 	state, _, err := d.b.StateAndHeaderByNumber(ctx, rpc.BlockNumber(blockHeight))
 	if state == nil || err != nil {
+		log.Error("Failed to retrieve governance state", "round", round, "height", blockHeight)
 		return nil
 	}
 	return &vm.GovernanceStateHelper{state}
@@ -119,17 +120,15 @@ func (d *DexconGovernance) sendGovTx(ctx context.Context, data []byte) error {
 		return err
 	}
 
-	log.Info("sendGovTx", "nonce", nonce)
-
-	// Increase gasPrice to 5 times of suggested gas price to make sure it will
+	// Increase gasPrice to 10 times of suggested gas price to make sure it will
 	// be included in time.
-	gasPrice = new(big.Int).Mul(gasPrice, big.NewInt(5))
+	gasPrice = new(big.Int).Mul(gasPrice, big.NewInt(10))
 
 	tx := types.NewTransaction(
 		nonce,
 		vm.GovernanceContractAddress,
 		big.NewInt(0),
-		uint64(2000000),
+		uint64(10000000),
 		gasPrice,
 		data)
 
@@ -140,7 +139,7 @@ func (d *DexconGovernance) sendGovTx(ctx context.Context, data []byte) error {
 		return err
 	}
 
-	log.Info("Send governance transaction", "fullhash", tx.Hash().Hex())
+	log.Info("Send governance transaction", "fullhash", tx.Hash().Hex(), "nonce", nonce)
 
 	return d.b.SendTx(ctx, tx)
 }