Update AllowUpdate defaults to true (#455)

* use sensible defaults

* update CHANGELOG

CHANGELOG.md

@@ -4,6 +4,14 @@
 
 ### Relayer
 
+* [\#455](https://github.com/cosmos/relayer/pull/455) Set default client parameter to allow governance to update the client if expiry or misbehaviour freezing occurs. 
+
+## v0.8.3
+
+**2021/03/12**
+
+### Relayer
+
 * [\#453](https://github.com/cosmos/relayer/pull/453) Fix light block not found error on missing header
 * [\#449](https://github.com/cosmos/relayer/pull/449) Close database connection even if error occurs on initialization
 * [\#447](https://github.com/cosmos/relayer/pull/447) Add a light client database lock to prevent concurrency panics

cmd/raw.go

@@ -117,8 +117,8 @@ $ %s tx raw clnt ibc-1 ibc-0 ibconeclient`, appName, appName)),
 				dstHeader.GetHeight().(clienttypes.Height),
 				commitmenttypes.GetSDKSpecs(),
 				relayer.DefaultUpgradePath,
-				false,
-				false,
+				relayer.AllowUpdateAfterExpiry,
+				relayer.AllowUpdateAfterMisbehaviour,
 			)
 
 			return sendAndPrint([]sdk.Msg{chains[src].CreateClient(

relayer/chain.go

@@ -43,6 +43,9 @@ var (
 	rtyAtt    = retry.Attempts(rtyAttNum)
 	rtyDel    = retry.Delay(time.Millisecond * 400)
 	rtyErr    = retry.LastErrorOnly(true)
+
+	AllowUpdateAfterExpiry       = true
+	AllowUpdateAfterMisbehaviour = true
 )
 
 // Chain represents the necessary data for connecting to and indentifying a chain and its counterparites

relayer/client.go

@@ -50,8 +50,8 @@ func (c *Chain) CreateClients(dst *Chain) (modified bool, err error) {
 			dstUpdateHeader.GetHeight().(clienttypes.Height),
 			commitmenttypes.GetSDKSpecs(),
 			DefaultUpgradePath,
-			false,
-			false,
+			AllowUpdateAfterExpiry,
+			AllowUpdateAfterMisbehaviour,
 		)
 
 		// Check if an identical light client already exists
@@ -113,8 +113,8 @@ func (c *Chain) CreateClients(dst *Chain) (modified bool, err error) {
 			srcUpdateHeader.GetHeight().(clienttypes.Height),
 			commitmenttypes.GetSDKSpecs(),
 			DefaultUpgradePath,
-			false,
-			false,
+			AllowUpdateAfterExpiry,
+			AllowUpdateAfterMisbehaviour,
 		)
 
 		// Check if an identical light client already exists