fix(rpc): bind default json-rpc listen address to localhost

CHANGELOG.md

@@ -38,6 +38,9 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ## Unreleased
 
+### Bug Fixes
+* (rpc) [#1613](https://github.com/evmos/ethermint/pull/1613) Change the default json-rpc listen address to localhost.
+
 ## [v0.21.0-rc1] - 2022-1-13
 
 ### State Machine Breaking

go.mod

@@ -38,7 +38,6 @@ require (
 	github.com/tyler-smith/go-bip39 v1.1.0
 	golang.org/x/net v0.5.0
 	golang.org/x/text v0.6.0
-	golang.org/x/text v0.6.0
 	google.golang.org/genproto v0.0.0-20221118155620-16455021b5e6
 	google.golang.org/grpc v1.52.0
 	sigs.k8s.io/yaml v1.3.0

gomod2nix.toml

@@ -358,8 +358,8 @@ schema = 3
     version = "v0.0.5"
     hash = "sha256-/5i70IkH/qSW5KjGzv8aQNKh9tHoz98tqtL0K2DMFn4="
   [mod."github.com/onsi/ginkgo/v2"]
-    version = "v2.6.1"
-    hash = "sha256-OEiWYKCGPCaqL3vzSrHquHGm+Q8URT2anpanAVK5hRo="
+    version = "v2.7.0"
+    hash = "sha256-BKqQKCsPA73FaQwYpAY+QsWFHIncrG5jgRhC2IiNmCk="
   [mod."github.com/onsi/gomega"]
     version = "v1.24.2"
     hash = "sha256-iascSzzBT1Uv/XybezSblIwwrq78BU4a9BVB5MvK6MM="
@@ -496,23 +496,23 @@ schema = 3
     version = "v0.0.0-20220722155223-a9213eeb770e"
     hash = "sha256-kNgzydWRpjm0sZl4uXEs3LX5L0xjJtJRAFf/CTlYUN4="
   [mod."golang.org/x/net"]
-    version = "v0.4.0"
-    hash = "sha256-7IwGZh/xg4mQz88cJio2Ov5d3jGRXKj1itlAja/EAbQ="
+    version = "v0.5.0"
+    hash = "sha256-HpbIAiLs7S1+tVsaSSdbCPw1IK43A0bFFuSzPSyjLbo="
   [mod."golang.org/x/oauth2"]
     version = "v0.0.0-20221014153046-6fdb5e3db783"
     hash = "sha256-IoygidVNqyAZmN+3macDeIefK8hhJToygpcqlwehdYQ="
   [mod."golang.org/x/sync"]
     version = "v0.1.0"
     hash = "sha256-Hygjq9euZ0qz6TvHYQwOZEjNiTbTh1nSLRAWZ6KFGR8="
   [mod."golang.org/x/sys"]
-    version = "v0.3.0"
-    hash = "sha256-TIHhfYbZ99sCU1ZMikxwomXH5AEtD/lA1VMMW+UAhbU="
+    version = "v0.4.0"
+    hash = "sha256-jchMzHCH5dg+IL/F+LqaX/fyAcB/nvHQpfBjqwaRJH0="
   [mod."golang.org/x/term"]
-    version = "v0.3.0"
-    hash = "sha256-NKv2o8wz8DB/2W2h/muGEIHb+S06mBXZxhG254RpQ5s="
+    version = "v0.4.0"
+    hash = "sha256-wQKxHV10TU4vCU8Re2/hFmAbur/jRWEOB8QXBzgTFNY="
   [mod."golang.org/x/text"]
-    version = "v0.5.0"
-    hash = "sha256-ztH+xQyM/clOcQl+y/UEPcfNKbc3xApMbEPDDZ9up0o="
+    version = "v0.6.0"
+    hash = "sha256-+bpeRWR3relKACdal6NPj+eP5dnWCplTViArSN7/qA4="
   [mod."golang.org/x/xerrors"]
     version = "v0.0.0-20220907171357-04be3eba64a2"
     hash = "sha256-6+zueutgefIYmgXinOflz8qGDDDj0Zhv+2OkGhBTKno="

scripts/contract-test.sh

@@ -35,7 +35,7 @@ cat $HOME/.ethermint/config/genesis.json | jq '.app_state["mint"]["params"]["min
 "$PWD"/build/ethermintd validate-genesis
 
 # Start the node (remove the --pruning=nothing flag if historical queries are not needed) in background and log to file
-"$PWD"/build/ethermintd start --pruning=nothing --rpc.unsafe --json-rpc.address="0.0.0.0:8545" --keyring-backend test > ethermintd.log 2>&1 &
+"$PWD"/build/ethermintd start --pruning=nothing --rpc.unsafe --json-rpc.address="127.0.0.1:8545" --keyring-backend test > ethermintd.log 2>&1 &
 
 # Give ethermintd node enough time to launch
 sleep 5

scripts/ethermint-devnet.yaml

@@ -7,8 +7,8 @@ ethermint_9000-1:
     index-events:
       - ethereum_tx.ethereumTxHash
     json-rpc:
-      address: "0.0.0.0:{EVMRPC_PORT}"
-      ws-address: "0.0.0.0:{EVMRPC_PORT_WS}"
+      address: "127.0.0.1:{EVMRPC_PORT}"
+      ws-address: "127.0.0.1:{EVMRPC_PORT_WS}"
       api: "eth,net,web3,debug"
   validators:
     - coins: 1000000000000000000stake,10000000000000000000000aphoton

scripts/integration-test-all.sh

@@ -16,7 +16,7 @@ REMOVE_DATA_DIR=false
 RPC_PORT="854"
 # Ethereum JSONRPC Websocket
 WS_PORT="855"
-IP_ADDR="0.0.0.0"
+IP_ADDR="127.0.0.1"
 
 KEY="mykey"
 CHAINID="ethermint_9000-1"

scripts/start.sh

@@ -11,7 +11,7 @@ TEST_QTD=1
 
 #PORT AND RPC_PORT 3 initial digits, to be concat with a suffix later when node is initialized
 RPC_PORT="854"
-IP_ADDR="0.0.0.0"
+IP_ADDR="127.0.0.1"
 MODE="rpc"
 
 KEY="mykey"

server/config/config.go

@@ -35,13 +35,13 @@ const (
 	DefaultGRPCAddress = "0.0.0.0:9900"
 
 	// DefaultJSONRPCAddress is the default address the JSON-RPC server binds to.
-	DefaultJSONRPCAddress = "0.0.0.0:8545"
+	DefaultJSONRPCAddress = "127.0.0.1:8545"
 
 	// DefaultJSONRPCWsAddress is the default address the JSON-RPC WebSocket server binds to.
-	DefaultJSONRPCWsAddress = "0.0.0.0:8546"
+	DefaultJSONRPCWsAddress = "127.0.0.1:8546"
 
 	// DefaultJsonRPCMetricsAddress is the default address the JSON-RPC Metrics server binds to.
-	DefaultJSONRPCMetricsAddress = "0.0.0.0:6065"
+	DefaultJSONRPCMetricsAddress = "127.0.0.1:6065"
 
 	// DefaultEVMTracer is the default vm.Tracer type
 	DefaultEVMTracer = ""

tests/integration_tests/configs/default.jsonnet

@@ -13,8 +13,8 @@
       'minimum-gas-prices': '0aphoton',
       'index-events': ['ethereum_tx.ethereumTxHash'],
       'json-rpc': {
-        address: '0.0.0.0:{EVMRPC_PORT}',
-        'ws-address': '0.0.0.0:{EVMRPC_PORT_WS}',
+        address: '127.0.0.1:{EVMRPC_PORT}',
+        'ws-address': '127.0.0.1:{EVMRPC_PORT_WS}',
         api: 'eth,net,web3,debug',
         'feehistory-cap': 100,
         'block-range-cap': 10000,

testutil/network/network.go

@@ -332,7 +332,7 @@ func New(l Logger, baseDir string, cfg Config) (*Network, error) {
 				if err != nil {
 					return nil, err
 				}
-				appCfg.JSONRPC.Address = fmt.Sprintf("0.0.0.0:%s", jsonRPCPort)
+				appCfg.JSONRPC.Address = fmt.Sprintf("127.0.0.1:%s", jsonRPCPort)
 			}
 			appCfg.JSONRPC.Enable = true
 			appCfg.JSONRPC.API = config.GetAPINamespaces()