rpc: new RPC implementation with pub/sub support

rpc/api/mergedapi.go

@@ -39,9 +39,11 @@ func newMergedApi(apis ...shared.EthereumApi) *MergedApi {
 	mergedApi.methods = make(map[string]shared.EthereumApi)
 
 	for _, api := range apis {
-		mergedApi.apis[api.Name()] = api.ApiVersion()
-		for _, method := range api.Methods() {
-			mergedApi.methods[method] = api
+		if api != nil {
+			mergedApi.apis[api.Name()] = api.ApiVersion()
+			for _, method := range api.Methods() {
+				mergedApi.methods[method] = api
+			}
 		}
 	}
 	return mergedApi

rpc/api/personal_js.go

@@ -33,6 +33,11 @@ web3._extend({
 			call: 'personal_unlockAccount',
 			params: 3,
 			inputFormatter: [null, null, null]
+		}),
+		new web3._extend.Method({
+			name: 'lockAccount',
+			call: 'personal_lockAccount',
+			params: 1
 		})
 	],
 	properties:

rpc/api/utils.go

@@ -191,6 +191,8 @@ func ParseApiString(apistr string, codec codec.Codec, xeth *xeth.XEth, stack *no
 			apis[i] = NewPersonalApi(xeth, eth, codec)
 		case shared.Web3ApiName:
 			apis[i] = NewWeb3Api(xeth, codec)
+		case "rpc": // gives information about the RPC interface
+			continue
 		default:
 			return nil, fmt.Errorf("Unknown API '%s'", name)
 		}