update client selection

modules/core/02-client/types/params.go

@@ -12,11 +12,13 @@ var (
 	// DefaultAllowedClients are "06-solomachine" and "07-tendermint"
 	DefaultAllowedClients = []string{exported.Solomachine, exported.Tendermint}
 
-	DefaultWASMClientEnabled = false
+	// DefaultWasmClientsEnabled is false
+	DefaultWasmClientsEnabled = false
 
 	// KeyAllowedClients is store's key for AllowedClients Params
 	KeyAllowedClients = []byte("AllowedClients")
 
+	// KeyWasmClientsEnabled indicates whether Wasm light clients are allowed
 	KeyWasmClientsEnabled = []byte("WasmClientsEnabled")
 )
 
@@ -35,7 +37,7 @@ func NewParams(wasmClientEnabled bool, allowedClients ...string) Params {
 
 // DefaultParams is the default parameter configuration for the ibc-client module
 func DefaultParams() Params {
-	return NewParams(DefaultWASMClientEnabled, DefaultAllowedClients...)
+	return NewParams(DefaultWasmClientsEnabled, DefaultAllowedClients...)
 }
 
 // Validate all ibc-client module parameters
@@ -58,6 +60,10 @@ func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
 
 // IsAllowedClient checks if the given client type is registered on the allowlist.
 func (p Params) IsAllowedClient(clientType string) bool {
+	if p.WasmClientsEnabled && isWasmClient(clientType) {
+		return true
+	}
+
 	for _, allowedClient := range p.AllowedClients {
 		if allowedClient == clientType {
 			return true
@@ -89,3 +95,7 @@ func validateClients(i interface{}) error {
 
 	return nil
 }
+
+func isWasmClient(clientType string) bool {
+	return strings.HasPrefix(clientType, exported.WasmClientPrefix)
+}

modules/core/exported/client.go

@@ -15,6 +15,9 @@ const (
 	// TypeClientMisbehaviour is the shared evidence misbehaviour type
 	TypeClientMisbehaviour string = "client_misbehaviour"
 
+	// WasmClientPrefix is used to indicate that the client is a on-chain Wasm blob.
+	WasmClientPrefix string = "wasm-"
+
 	// Solomachine is used to indicate that the light client is a solo machine.
 	Solomachine string = "06-solomachine"