eth: update default gas price when not mining too

1 files changed, 9 insertions, 1 deletions

diff --git a/eth/api.go b/eth/api.go
index 88b3dbbf9..81570988c 100644
--- a/eth/api.go
+++ b/eth/api.go
@@ -154,7 +154,11 @@ func (api *PrivateMinerAPI) Start(threads *int) error {
 	// Start the miner and return
 	if !api.e.IsMining() {
 		// Propagate the initial price point to the transaction pool
-		api.e.txPool.SetGasPrice(api.e.gasPrice)
+		api.e.lock.RLock()
+		price := api.e.gasPrice
+		api.e.lock.RUnlock()
+
+		api.e.txPool.SetGasPrice(price)
 		return api.e.StartMining(true)
 	}
 	return nil
@@ -182,6 +186,10 @@ func (api *PrivateMinerAPI) SetExtra(extra string) (bool, error) {
 
 // SetGasPrice sets the minimum accepted gas price for the miner.
 func (api *PrivateMinerAPI) SetGasPrice(gasPrice hexutil.Big) bool {
+	api.e.lock.Lock()
+	api.e.gasPrice = (*big.Int)(&gasPrice)
+	api.e.lock.Unlock()
+
 	api.e.txPool.SetGasPrice((*big.Int)(&gasPrice))
 	return true
 }