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-rw-r--r--eth/backend.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/eth/backend.go b/eth/backend.go
index f4282d59f..cab83588c 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -19,6 +19,7 @@ package eth
import (
"bytes"
+ "errors"
"fmt"
"math/big"
"os"
@@ -243,6 +244,9 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
glog.V(logger.Info).Infoln("WARNING: Wrote default ethereum genesis block")
}
+ if config.ChainConfig == nil {
+ return nil, errors.New("missing chain config")
+ }
eth.chainConfig = config.ChainConfig
eth.chainConfig.VmConfig = vm.Config{
EnableJit: config.EnableJit,