added RPC start/stop support

28 files changed, 216 insertions, 125 deletions

diff --git a/rpc/api/admin.go b/rpc/api/admin.go
index 368375c93..7e79fd4d0 100644
--- a/rpc/api/admin.go
+++ b/rpc/api/admin.go
@@ -11,6 +11,7 @@ import (
 	"github.com/ethereum/go-ethereum/logger/glog"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc/codec"
+	"github.com/ethereum/go-ethereum/rpc/comms"
 	"github.com/ethereum/go-ethereum/rpc/shared"
 	"github.com/ethereum/go-ethereum/xeth"
 )
@@ -32,6 +33,8 @@ var (
 		"admin_chainSyncStatus": (*adminApi).ChainSyncStatus,
 		"admin_setSolc":         (*adminApi).SetSolc,
 		"admin_datadir":         (*adminApi).DataDir,
+		"admin_startRPC":        (*adminApi).StartRPC,
+		"admin_stopRPC":         (*adminApi).StopRPC,
 	}
 )
 
@@ -42,25 +45,25 @@ type adminhandler func(*adminApi, *shared.Request) (interface{}, error)
 type adminApi struct {
 	xeth     *xeth.XEth
 	ethereum *eth.Ethereum
-	methods  map[string]adminhandler
-	codec    codec.ApiCoder
+	codec    codec.Codec
+	coder    codec.ApiCoder
 }
 
 // create a new admin api instance
-func NewAdminApi(xeth *xeth.XEth, ethereum *eth.Ethereum, coder codec.Codec) *adminApi {
+func NewAdminApi(xeth *xeth.XEth, ethereum *eth.Ethereum, codec codec.Codec) *adminApi {
 	return &adminApi{
 		xeth:     xeth,
 		ethereum: ethereum,
-		methods:  AdminMapping,
-		codec:    coder.New(nil),
+		codec:    codec,
+		coder:    codec.New(nil),
 	}
 }
 
 // collection with supported methods
 func (self *adminApi) Methods() []string {
-	methods := make([]string, len(self.methods))
+	methods := make([]string, len(AdminMapping))
 	i := 0
-	for k := range self.methods {
+	for k := range AdminMapping {
 		methods[i] = k
 		i++
 	}
@@ -69,7 +72,7 @@ func (self *adminApi) Methods() []string {
 
 // Execute given request
 func (self *adminApi) Execute(req *shared.Request) (interface{}, error) {
-	if callback, ok := self.methods[req.Method]; ok {
+	if callback, ok := AdminMapping[req.Method]; ok {
 		return callback(self, req)
 	}
 
@@ -77,7 +80,7 @@ func (self *adminApi) Execute(req *shared.Request) (interface{}, error) {
 }
 
 func (self *adminApi) Name() string {
-	return AdminApiName
+	return shared.AdminApiName
 }
 
 func (self *adminApi) ApiVersion() string {
@@ -86,7 +89,7 @@ func (self *adminApi) ApiVersion() string {
 
 func (self *adminApi) AddPeer(req *shared.Request) (interface{}, error) {
 	args := new(AddPeerArgs)
-	if err := self.codec.Decode(req.Params, &args); err != nil {
+	if err := self.coder.Decode(req.Params, &args); err != nil {
 		return nil, shared.NewDecodeParamError(err.Error())
 	}
 
@@ -120,7 +123,7 @@ func hasAllBlocks(chain *core.ChainManager, bs []*types.Block) bool {
 
 func (self *adminApi) ImportChain(req *shared.Request) (interface{}, error) {
 	args := new(ImportExportChainArgs)
-	if err := self.codec.Decode(req.Params, &args); err != nil {
+	if err := self.coder.Decode(req.Params, &args); err != nil {
 		return nil, shared.NewDecodeParamError(err.Error())
 	}
 
@@ -163,7 +166,7 @@ func (self *adminApi) ImportChain(req *shared.Request) (interface{}, error) {
 
 func (self *adminApi) ExportChain(req *shared.Request) (interface{}, error) {
 	args := new(ImportExportChainArgs)
-	if err := self.codec.Decode(req.Params, &args); err != nil {
+	if err := self.coder.Decode(req.Params, &args); err != nil {
 		return nil, shared.NewDecodeParamError(err.Error())
 	}
 
@@ -181,7 +184,7 @@ func (self *adminApi) ExportChain(req *shared.Request) (interface{}, error) {
 
 func (self *adminApi) Verbosity(req *shared.Request) (interface{}, error) {
 	args := new(VerbosityArgs)
-	if err := self.codec.Decode(req.Params, &args); err != nil {
+	if err := self.coder.Decode(req.Params, &args); err != nil {
 		return nil, shared.NewDecodeParamError(err.Error())
 	}
 
@@ -202,7 +205,7 @@ func (self *adminApi) ChainSyncStatus(req *shared.Request) (interface{}, error)
 
 func (self *adminApi) SetSolc(req *shared.Request) (interface{}, error) {
 	args := new(SetSolcArgs)
-	if err := self.codec.Decode(req.Params, &args); err != nil {
+	if err := self.coder.Decode(req.Params, &args); err != nil {
 		return nil, shared.NewDecodeParamError(err.Error())
 	}
 
@@ -212,3 +215,32 @@ func (self *adminApi) SetSolc(req *shared.Request) (interface{}, error) {
 	}
 	return solc.Info(), nil
 }
+
+func (self *adminApi) StartRPC(req *shared.Request) (interface{}, error) {
+	var err error
+	args := new(StartRPCArgs)
+	if err := self.coder.Decode(req.Params, &args); err != nil {
+		return nil, shared.NewDecodeParamError(err.Error())
+	}
+
+	cfg := comms.HttpConfig{
+		ListenAddress: args.ListenAddress,
+		ListenPort:    args.ListenPort,
+		CorsDomain:    args.CorsDomain,
+	}
+
+	if apis, err := ParseApiString(args.Apis, self.codec, self.xeth, self.ethereum); err == nil {
+		err = comms.StartHttp(cfg, self.codec, Merge(apis...))
+	}
+
+	if err == nil {
+		return true, nil
+	}
+
+	return false, err
+}
+
+func (self *adminApi) StopRPC(req *shared.Request) (interface{}, error) {
+	comms.StopHttp()
+	return true, nil
+}
diff --git a/rpc/api/admin_args.go b/rpc/api/admin_args.go
index 56bb57e20..5437971ca 100644
--- a/rpc/api/admin_args.go
+++ b/rpc/api/admin_args.go
@@ -95,3 +95,55 @@ func (args *SetSolcArgs) UnmarshalJSON(b []byte) (err error) {
 
 	return shared.NewInvalidTypeError("path", "not a string")
 }
+
+type StartRPCArgs struct {
+	ListenAddress string
+	ListenPort    uint
+	CorsDomain    string
+	Apis          string
+}
+
+func (args *StartRPCArgs) UnmarshalJSON(b []byte) (err error) {
+	var obj []interface{}
+	if err := json.Unmarshal(b, &obj); err != nil {
+		return shared.NewDecodeParamError(err.Error())
+	}
+
+	args.ListenAddress = "127.0.0.1"
+	args.ListenPort = 8545
+	args.Apis = "net,eth,web3"
+
+	if len(obj) >= 1 {
+		if addr, ok := obj[0].(string); ok {
+			args.ListenAddress = addr
+		} else {
+			return shared.NewInvalidTypeError("listenAddress", "not a string")
+		}
+	}
+
+	if len(obj) >= 2 {
+		if port, ok := obj[1].(float64); ok && port >= 0 && port <= 64*1024 {
+			args.ListenPort = uint(port)
+		} else {
+			return shared.NewInvalidTypeError("listenPort", "not a valid port number")
+		}
+	}
+
+	if len(obj) >= 3 {
+		if corsDomain, ok := obj[2].(string); ok {
+			args.CorsDomain = corsDomain
+		} else {
+			return shared.NewInvalidTypeError("corsDomain", "not a string")
+		}
+	}
+
+	if len(obj) >= 4 {
+		if apis, ok := obj[3].(string); ok {
+			args.Apis = apis
+		} else {
+			return shared.NewInvalidTypeError("apis", "not a string")
+		}
+	}
+
+	return nil
+}
diff --git a/rpc/api/admin_js.go b/rpc/api/admin_js.go
index c3e713c67..97642ade7 100644
--- a/rpc/api/admin_js.go
+++ b/rpc/api/admin_js.go
@@ -39,6 +39,20 @@ web3._extend({
 			params: 1,
 			inputFormatter: [web3._extend.utils.formatInputString],
 			outputFormatter: web3._extend.formatters.formatOutputString
+		}),
+		new web3._extend.Method({
+			name: 'startRPC',
+			call: 'admin_startRPC',
+			params: 4,
+			inputFormatter: [web3._extend.utils.formatInputString,web3._extend.utils.formatInputInteger,web3._extend.utils.formatInputString,web3._extend.utils.formatInputString],
+			outputFormatter: web3._extend.formatters.formatOutputBool
+		}),
+		new web3._extend.Method({
+			name: 'stopRPC',
+			call: 'admin_stopRPC',
+			params: 0,
+			inputFormatter: [],
+			outputFormatter: web3._extend.formatters.formatOutputBool
 		})
 	],
 	properties:
diff --git a/rpc/api/api.go b/rpc/api/api.go
index 10b448594..ca1ccb9a5 100644
--- a/rpc/api/api.go
+++ b/rpc/api/api.go
@@ -1,51 +1,10 @@
 package api
 
 import (
-	"strings"
-
 	"github.com/ethereum/go-ethereum/rpc/shared"
 )
 
-const (
-	AdminApiName    = "admin"
-	EthApiName      = "eth"
-	DbApiName       = "db"
-	DebugApiName    = "debug"
-	MergedApiName   = "merged"
-	MinerApiName    = "miner"
-	NetApiName      = "net"
-	ShhApiName      = "shh"
-	TxPoolApiName   = "txpool"
-	PersonalApiName = "personal"
-	Web3ApiName     = "web3"
-
-	JsonRpcVersion = "2.0"
-)
-
-var (
-	// All API's
-	AllApis = strings.Join([]string{
-		AdminApiName, DbApiName, EthApiName, DebugApiName, MinerApiName, NetApiName,
-		ShhApiName, TxPoolApiName, PersonalApiName, Web3ApiName,
-	}, ",")
-)
-
-// Ethereum RPC API interface
-type EthereumApi interface {
-	// API identifier
-	Name() string
-
-	// API version
-	ApiVersion() string
-
-	// Execute the given request and returns the response or an error
-	Execute(*shared.Request) (interface{}, error)
-
-	// List of supported RCP methods this API provides
-	Methods() []string
-}
-
 // Merge multiple API's to a single API instance
-func Merge(apis ...EthereumApi) EthereumApi {
+func Merge(apis ...shared.EthereumApi) shared.EthereumApi {
 	return newMergedApi(apis...)
 }
diff --git a/rpc/api/args.go b/rpc/api/args.go
index 4ef1b26e7..fc85448e6 100644
--- a/rpc/api/args.go
+++ b/rpc/api/args.go
@@ -2,6 +2,7 @@ package api
 
 import (
 	"encoding/json"
+
 	"github.com/ethereum/go-ethereum/rpc/shared"
 )
 
@@ -54,4 +55,4 @@ func (args *FilterStringArgs) UnmarshalJSON(b []byte) (err error) {
 	}
 	args.Word = argstr
 	return nil
-}
\ No newline at end of file
+}
diff --git a/rpc/api/args_test.go b/rpc/api/args_test.go
index 4153d5432..a30f247bc 100644
--- a/rpc/api/args_test.go
+++ b/rpc/api/args_test.go
@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"math/big"
 	"testing"
+
 	"github.com/ethereum/go-ethereum/rpc/shared"
 )
 
diff --git a/rpc/api/db.go b/rpc/api/db.go
index 745269168..6f10d6447 100644
--- a/rpc/api/db.go
+++ b/rpc/api/db.go
@@ -63,7 +63,7 @@ func (self *dbApi) Execute(req *shared.Request) (interface{}, error) {
 }
 
 func (self *dbApi) Name() string {
-	return DbApiName
+	return shared.DbApiName
 }
 
 func (self *dbApi) ApiVersion() string {
diff --git a/rpc/api/debug.go b/rpc/api/debug.go
index 5b6a449dc..b451d8662 100644
--- a/rpc/api/debug.go
+++ b/rpc/api/debug.go
@@ -71,7 +71,7 @@ func (self *debugApi) Execute(req *shared.Request) (interface{}, error) {
 }
 
 func (self *debugApi) Name() string {
-	return DebugApiName
+	return shared.DebugApiName
 }
 
 func (self *debugApi) ApiVersion() string {
diff --git a/rpc/api/eth.go b/rpc/api/eth.go
index cafa05e34..0bb8d449b 100644
--- a/rpc/api/eth.go
+++ b/rpc/api/eth.go
@@ -100,7 +100,7 @@ func (self *ethApi) Execute(req *shared.Request) (interface{}, error) {
 }
 
 func (self *ethApi) Name() string {
-	return EthApiName
+	return shared.EthApiName
 }
 
 func (self *ethApi) ApiVersion() string {
diff --git a/rpc/api/mergedapi.go b/rpc/api/mergedapi.go
index 8cf4ae96e..bc4fa32e8 100644
--- a/rpc/api/mergedapi.go
+++ b/rpc/api/mergedapi.go
@@ -13,14 +13,14 @@ const (
 // combines multiple API's
 type MergedApi struct {
 	apis    map[string]string
-	methods map[string]EthereumApi
+	methods map[string]shared.EthereumApi
 }
 
 // create new merged api instance
-func newMergedApi(apis ...EthereumApi) *MergedApi {
+func newMergedApi(apis ...shared.EthereumApi) *MergedApi {
 	mergedApi := new(MergedApi)
 	mergedApi.apis = make(map[string]string, len(apis))
-	mergedApi.methods = make(map[string]EthereumApi)
+	mergedApi.methods = make(map[string]shared.EthereumApi)
 
 	for _, api := range apis {
 		mergedApi.apis[api.Name()] = api.ApiVersion()
@@ -54,7 +54,7 @@ func (self *MergedApi) Execute(req *shared.Request) (interface{}, error) {
 }
 
 func (self *MergedApi) Name() string {
-	return MergedApiName
+	return shared.MergedApiName
 }
 
 func (self *MergedApi) ApiVersion() string {
diff --git a/rpc/api/mergedapi_js.go b/rpc/api/mergedapi_js.go
deleted file mode 100644
index 778f64ec1..000000000
--- a/rpc/api/mergedapi_js.go
+++ /dev/null
@@ -1 +0,0 @@
-package api
diff --git a/rpc/api/miner.go b/rpc/api/miner.go
index 0b5e74f52..7a84cb9ae 100644
--- a/rpc/api/miner.go
+++ b/rpc/api/miner.go
@@ -66,7 +66,7 @@ func (self *minerApi) Methods() []string {
 }
 
 func (self *minerApi) Name() string {
-	return MinerApiName
+	return shared.MinerApiName
 }
 
 func (self *minerApi) ApiVersion() string {
diff --git a/rpc/api/net.go b/rpc/api/net.go
index 247c23827..761654661 100644
--- a/rpc/api/net.go
+++ b/rpc/api/net.go
@@ -63,7 +63,7 @@ func (self *netApi) Execute(req *shared.Request) (interface{}, error) {
 }
 
 func (self *netApi) Name() string {
-	return NetApiName
+	return shared.NetApiName
 }
 
 func (self *netApi) ApiVersion() string {
diff --git a/rpc/api/personal.go b/rpc/api/personal.go
index 7a6c91c82..b4a63ea7a 100644
--- a/rpc/api/personal.go
+++ b/rpc/api/personal.go
@@ -66,7 +66,7 @@ func (self *personalApi) Execute(req *shared.Request) (interface{}, error) {
 }
 
 func (self *personalApi) Name() string {
-	return PersonalApiName
+	return shared.PersonalApiName
 }
 
 func (self *personalApi) ApiVersion() string {
diff --git a/rpc/api/shh.go b/rpc/api/shh.go
index e83a7b22e..18a8fd15d 100644
--- a/rpc/api/shh.go
+++ b/rpc/api/shh.go
@@ -72,7 +72,7 @@ func (self *shhApi) Execute(req *shared.Request) (interface{}, error) {
 }
 
 func (self *shhApi) Name() string {
-	return ShhApiName
+	return shared.ShhApiName
 }
 
 func (self *shhApi) ApiVersion() string {
diff --git a/rpc/api/txpool.go b/rpc/api/txpool.go
index 64550bdaf..25ad6e9b2 100644
--- a/rpc/api/txpool.go
+++ b/rpc/api/txpool.go
@@ -60,7 +60,7 @@ func (self *txPoolApi) Execute(req *shared.Request) (interface{}, error) {
 }
 
 func (self *txPoolApi) Name() string {
-	return TxPoolApiName
+	return shared.TxPoolApiName
 }
 
 func (self *txPoolApi) ApiVersion() string {
diff --git a/rpc/api/utils.go b/rpc/api/utils.go
index a4ce6409a..9995e1f7c 100644
--- a/rpc/api/utils.go
+++ b/rpc/api/utils.go
@@ -7,6 +7,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/eth"
 	"github.com/ethereum/go-ethereum/rpc/codec"
+	"github.com/ethereum/go-ethereum/rpc/shared"
 	"github.com/ethereum/go-ethereum/xeth"
 )
 
@@ -23,6 +24,8 @@ var (
 			"chainSyncStatus",
 			"setSolc",
 			"datadir",
+			"startRPC",
+			"stopRPC",
 		},
 		"db": []string{
 			"getString",
@@ -129,35 +132,35 @@ var (
 )
 
 // Parse a comma separated API string to individual api's
-func ParseApiString(apistr string, codec codec.Codec, xeth *xeth.XEth, eth *eth.Ethereum) ([]EthereumApi, error) {
+func ParseApiString(apistr string, codec codec.Codec, xeth *xeth.XEth, eth *eth.Ethereum) ([]shared.EthereumApi, error) {
 	if len(strings.TrimSpace(apistr)) == 0 {
 		return nil, fmt.Errorf("Empty apistr provided")
 	}
 
 	names := strings.Split(apistr, ",")
-	apis := make([]EthereumApi, len(names))
+	apis := make([]shared.EthereumApi, len(names))
 
 	for i, name := range names {
 		switch strings.ToLower(strings.TrimSpace(name)) {
-		case AdminApiName:
+		case shared.AdminApiName:
 			apis[i] = NewAdminApi(xeth, eth, codec)
-		case DebugApiName:
+		case shared.DebugApiName:
 			apis[i] = NewDebugApi(xeth, eth, codec)
-		case DbApiName:
+		case shared.DbApiName:
 			apis[i] = NewDbApi(xeth, eth, codec)
-		case EthApiName:
+		case shared.EthApiName:
 			apis[i] = NewEthApi(xeth, codec)
-		case MinerApiName:
+		case shared.MinerApiName:
 			apis[i] = NewMinerApi(eth, codec)
-		case NetApiName:
+		case shared.NetApiName:
 			apis[i] = NewNetApi(xeth, eth, codec)
-		case ShhApiName:
+		case shared.ShhApiName:
 			apis[i] = NewShhApi(xeth, eth, codec)
-		case TxPoolApiName:
+		case shared.TxPoolApiName:
 			apis[i] = NewTxPoolApi(xeth, eth, codec)
-		case PersonalApiName:
+		case shared.PersonalApiName:
 			apis[i] = NewPersonalApi(xeth, eth, codec)
-		case Web3ApiName:
+		case shared.Web3ApiName:
 			apis[i] = NewWeb3Api(xeth, codec)
 		default:
 			return nil, fmt.Errorf("Unknown API '%s'", name)
@@ -169,21 +172,21 @@ func ParseApiString(apistr string, codec codec.Codec, xeth *xeth.XEth, eth *eth.
 
 func Javascript(name string) string {
 	switch strings.ToLower(strings.TrimSpace(name)) {
-	case AdminApiName:
+	case shared.AdminApiName:
 		return Admin_JS
-	case DebugApiName:
+	case shared.DebugApiName:
 		return Debug_JS
-	case DbApiName:
+	case shared.DbApiName:
 		return Db_JS
-	case MinerApiName:
+	case shared.MinerApiName:
 		return Miner_JS
-	case NetApiName:
+	case shared.NetApiName:
 		return Net_JS
-	case ShhApiName:
+	case shared.ShhApiName:
 		return Shh_JS
-	case TxPoolApiName:
+	case shared.TxPoolApiName:
 		return TxPool_JS
-	case PersonalApiName:
+	case shared.PersonalApiName:
 		return Personal_JS
 	}
 
diff --git a/rpc/api/web3.go b/rpc/api/web3.go
index ed5008446..4c20baa25 100644
--- a/rpc/api/web3.go
+++ b/rpc/api/web3.go
@@ -60,7 +60,7 @@ func (self *web3Api) Execute(req *shared.Request) (interface{}, error) {
 }
 
 func (self *web3Api) Name() string {
-	return Web3ApiName
+	return shared.Web3ApiName
 }
 
 func (self *web3Api) ApiVersion() string {
diff --git a/rpc/comms/comms.go b/rpc/comms/comms.go
index 29ad11b3c..bfe625758 100644
--- a/rpc/comms/comms.go
+++ b/rpc/comms/comms.go
@@ -11,7 +11,6 @@ import (
 
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/logger/glog"
-	"github.com/ethereum/go-ethereum/rpc/api"
 	"github.com/ethereum/go-ethereum/rpc/codec"
 	"github.com/ethereum/go-ethereum/rpc/shared"
 )
@@ -22,14 +21,14 @@ const (
 
 var (
 	// List with all API's which are offered over the in proc interface by default
-	DefaultInProcApis = api.AllApis
+	DefaultInProcApis = shared.AllApis
 
 	// List with all API's which are offered over the IPC interface by default
-	DefaultIpcApis = api.AllApis
+	DefaultIpcApis = shared.AllApis
 
 	// List with API's which are offered over thr HTTP/RPC interface by default
 	DefaultHttpRpcApis = strings.Join([]string{
-		api.DbApiName, api.EthApiName, api.NetApiName, api.Web3ApiName,
+		shared.DbApiName, shared.EthApiName, shared.NetApiName, shared.Web3ApiName,
 	}, ",")
 )
 
@@ -44,7 +43,7 @@ type EthereumClient interface {
 	SupportedModules() (map[string]string, error)
 }
 
-func handle(conn net.Conn, api api.EthereumApi, c codec.Codec) {
+func handle(conn net.Conn, api shared.EthereumApi, c codec.Codec) {
 	codec := c.New(conn)
 
 	for {
diff --git a/rpc/comms/http.go b/rpc/comms/http.go
index 6a543c0ed..ebee791bd 100644
--- a/rpc/comms/http.go
+++ b/rpc/comms/http.go
@@ -10,7 +10,6 @@ import (
 
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/logger/glog"
-	"github.com/ethereum/go-ethereum/rpc/api"
 	"github.com/ethereum/go-ethereum/rpc/codec"
 	"github.com/ethereum/go-ethereum/rpc/shared"
 	"github.com/rs/cors"
@@ -28,7 +27,7 @@ type HttpConfig struct {
 	CorsDomain    string
 }
 
-func StartHttp(cfg HttpConfig, codec codec.Codec, apis ...api.EthereumApi) error {
+func StartHttp(cfg HttpConfig, codec codec.Codec, api shared.EthereumApi) error {
 	if httpListener != nil {
 		if fmt.Sprintf("%s:%d", cfg.ListenAddress, cfg.ListenPort) != httpListener.Addr().String() {
 			return fmt.Errorf("RPC service already running on %s ", httpListener.Addr().String())
@@ -43,7 +42,6 @@ func StartHttp(cfg HttpConfig, codec codec.Codec, apis ...api.EthereumApi) error
 	}
 	httpListener = l
 
-	api := api.Merge(apis...)
 	var handler http.Handler
 	if len(cfg.CorsDomain) > 0 {
 		var opts cors.Options
diff --git a/rpc/comms/http_net.go b/rpc/comms/http_net.go
index f326f1a7e..acc5f99a9 100644
--- a/rpc/comms/http_net.go
+++ b/rpc/comms/http_net.go
@@ -11,7 +11,6 @@ import (
 
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/logger/glog"
-	"github.com/ethereum/go-ethereum/rpc/api"
 	"github.com/ethereum/go-ethereum/rpc/codec"
 	"github.com/ethereum/go-ethereum/rpc/shared"
 )
@@ -90,7 +89,7 @@ func newStoppableHandler(h http.Handler, stop chan struct{}) http.Handler {
 		case <-stop:
 			w.Header().Set("Content-Type", "application/json")
 			err := fmt.Errorf("RPC service stopped")
-			response := shared.NewRpcResponse(-1, api.JsonRpcVersion, nil, err)
+			response := shared.NewRpcResponse(-1, shared.JsonRpcVersion, nil, err)
 			httpSend(w, response)
 		default:
 			h.ServeHTTP(w, r)
@@ -110,14 +109,14 @@ func httpSend(writer io.Writer, v interface{}) (n int, err error) {
 	return writer.Write(payload)
 }
 
-func gethHttpHandler(codec codec.Codec, a api.EthereumApi) http.Handler {
+func gethHttpHandler(codec codec.Codec, a shared.EthereumApi) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
 		w.Header().Set("Content-Type", "application/json")
 
 		// Limit request size to resist DoS
 		if req.ContentLength > maxHttpSizeReqLength {
 			err := fmt.Errorf("Request too large")
-			response := shared.NewRpcErrorResponse(-1, api.JsonRpcVersion, -32700, err)
+			response := shared.NewRpcErrorResponse(-1, shared.JsonRpcVersion, -32700, err)
 			httpSend(w, &response)
 			return
 		}
@@ -126,7 +125,7 @@ func gethHttpHandler(codec codec.Codec, a api.EthereumApi) http.Handler {
 		payload, err := ioutil.ReadAll(req.Body)
 		if err != nil {
 			err := fmt.Errorf("Could not read request body")
-			response := shared.NewRpcErrorResponse(-1, api.JsonRpcVersion, -32700, err)
+			response := shared.NewRpcErrorResponse(-1, shared.JsonRpcVersion, -32700, err)
 			httpSend(w, &response)
 			return
 		}
@@ -161,7 +160,7 @@ func gethHttpHandler(codec codec.Codec, a api.EthereumApi) http.Handler {
 
 		// invalid request
 		err = fmt.Errorf("Could not decode request")
-		res := shared.NewRpcErrorResponse(-1, api.JsonRpcVersion, -32600, err)
+		res := shared.NewRpcErrorResponse(-1, shared.JsonRpcVersion, -32600, err)
 		httpSend(w, res)
 	})
 }
diff --git a/rpc/comms/inproc.go b/rpc/comms/inproc.go
index b9c4e93d9..5c84b8fd8 100644
--- a/rpc/comms/inproc.go
+++ b/rpc/comms/inproc.go
@@ -3,15 +3,12 @@ package comms
 import (
 	"fmt"
 
-	"github.com/ethereum/go-ethereum/eth"
-	"github.com/ethereum/go-ethereum/rpc/api"
 	"github.com/ethereum/go-ethereum/rpc/codec"
 	"github.com/ethereum/go-ethereum/rpc/shared"
-	"github.com/ethereum/go-ethereum/xeth"
 )
 
 type InProcClient struct {
-	api         api.EthereumApi
+	api         shared.EthereumApi
 	codec       codec.Codec
 	lastId      interface{}
 	lastJsonrpc string
@@ -31,10 +28,8 @@ func (self *InProcClient) Close() {
 }
 
 // Need to setup api support
-func (self *InProcClient) Initialize(xeth *xeth.XEth, eth *eth.Ethereum) {
-	if apis, err := api.ParseApiString(api.AllApis, self.codec, xeth, eth); err == nil {
-		self.api = api.Merge(apis...)
-	}
+func (self *InProcClient) Initialize(offeredApi shared.EthereumApi) {
+	self.api = offeredApi
 }
 
 func (self *InProcClient) Send(req interface{}) error {
diff --git a/rpc/comms/ipc.go b/rpc/comms/ipc.go
index 7f5219300..068a1288f 100644
--- a/rpc/comms/ipc.go
+++ b/rpc/comms/ipc.go
@@ -6,7 +6,6 @@ import (
 
 	"encoding/json"
 
-	"github.com/ethereum/go-ethereum/rpc/api"
 	"github.com/ethereum/go-ethereum/rpc/codec"
 	"github.com/ethereum/go-ethereum/rpc/shared"
 )
@@ -92,7 +91,6 @@ func NewIpcClient(cfg IpcConfig, codec codec.Codec) (*ipcClient, error) {
 }
 
 // Start IPC server
-func StartIpc(cfg IpcConfig, codec codec.Codec, apis ...api.EthereumApi) error {
-	offeredApi := api.Merge(apis...)
+func StartIpc(cfg IpcConfig, codec codec.Codec, offeredApi shared.EthereumApi) error {
 	return startIpc(cfg, codec, offeredApi)
 }
diff --git a/rpc/comms/ipc_unix.go b/rpc/comms/ipc_unix.go
index b5eec92db..295eb916b 100644
--- a/rpc/comms/ipc_unix.go
+++ b/rpc/comms/ipc_unix.go
@@ -8,8 +8,8 @@ import (
 
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/logger/glog"
-	"github.com/ethereum/go-ethereum/rpc/api"
 	"github.com/ethereum/go-ethereum/rpc/codec"
+	"github.com/ethereum/go-ethereum/rpc/shared"
 )
 
 func newIpcClient(cfg IpcConfig, codec codec.Codec) (*ipcClient, error) {
@@ -31,7 +31,7 @@ func (self *ipcClient) reconnect() error {
 	return err
 }
 
-func startIpc(cfg IpcConfig, codec codec.Codec, api api.EthereumApi) error {
+func startIpc(cfg IpcConfig, codec codec.Codec, api shared.EthereumApi) error {
 	os.Remove(cfg.Endpoint) // in case it still exists from a previous run
 
 	l, err := net.ListenUnix("unix", &net.UnixAddr{Name: cfg.Endpoint, Net: "unix"})
diff --git a/rpc/comms/ipc_windows.go b/rpc/comms/ipc_windows.go
index 08f79274a..44c82ef8a 100644
--- a/rpc/comms/ipc_windows.go
+++ b/rpc/comms/ipc_windows.go
@@ -14,7 +14,6 @@ import (
 
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/logger/glog"
-	"github.com/ethereum/go-ethereum/rpc/api"
 	"github.com/ethereum/go-ethereum/rpc/codec"
 	"github.com/ethereum/go-ethereum/rpc/shared"
 )
@@ -652,7 +651,7 @@ func (self *ipcClient) reconnect() error {
 	return err
 }
 
-func startIpc(cfg IpcConfig, codec codec.Codec, api api.EthereumApi) error {
+func startIpc(cfg IpcConfig, codec codec.Codec, api shared.EthereumApi) error {
 	os.Remove(cfg.Endpoint) // in case it still exists from a previous run
 
 	l, err := Listen(cfg.Endpoint)
diff --git a/rpc/jeth.go b/rpc/jeth.go
index e656e8fa9..33fcd6efd 100644
--- a/rpc/jeth.go
+++ b/rpc/jeth.go
@@ -4,25 +4,24 @@ import (
 	"encoding/json"
 
 	"github.com/ethereum/go-ethereum/jsre"
-	"github.com/ethereum/go-ethereum/rpc/api"
 	"github.com/ethereum/go-ethereum/rpc/comms"
 	"github.com/ethereum/go-ethereum/rpc/shared"
 	"github.com/robertkrimen/otto"
 )
 
 type Jeth struct {
-	ethApi api.EthereumApi
+	ethApi shared.EthereumApi
 	re     *jsre.JSRE
 	client comms.EthereumClient
 }
 
-func NewJeth(ethApi api.EthereumApi, re *jsre.JSRE, client comms.EthereumClient) *Jeth {
+func NewJeth(ethApi shared.EthereumApi, re *jsre.JSRE, client comms.EthereumClient) *Jeth {
 	return &Jeth{ethApi, re, client}
 }
 
 func (self *Jeth) err(call otto.FunctionCall, code int, msg string, id interface{}) (response otto.Value) {
 	rpcerr := &shared.ErrorObject{code, msg}
-	call.Otto.Set("ret_jsonrpc", api.JsonRpcVersion)
+	call.Otto.Set("ret_jsonrpc", shared.JsonRpcVersion)
 	call.Otto.Set("ret_id", id)
 	call.Otto.Set("ret_error", rpcerr)
 	response, _ = call.Otto.Run(`
@@ -61,7 +60,7 @@ func (self *Jeth) Send(call otto.FunctionCall) (response otto.Value) {
 			return self.err(call, -32603, err.Error(), req.Id)
 		}
 
-		call.Otto.Set("ret_jsonrpc", api.JsonRpcVersion)
+		call.Otto.Set("ret_jsonrpc", shared.JsonRpcVersion)
 		call.Otto.Set("ret_id", req.Id)
 
 		res, _ := json.Marshal(respif)
diff --git a/rpc/shared/types.go b/rpc/shared/types.go
index dd38a4559..7c4b04e83 100644
--- a/rpc/shared/types.go
+++ b/rpc/shared/types.go
@@ -7,6 +7,21 @@ import (
 	"github.com/ethereum/go-ethereum/logger/glog"
 )
 
+// Ethereum RPC API interface
+type EthereumApi interface {
+	// API identifier
+	Name() string
+
+	// API version
+	ApiVersion() string
+
+	// Execute the given request and returns the response or an error
+	Execute(*Request) (interface{}, error)
+
+	// List of supported RCP methods this API provides
+	Methods() []string
+}
+
 // RPC request
 type Request struct {
 	Id      interface{}     `json:"id"`
diff --git a/rpc/shared/utils.go b/rpc/shared/utils.go
new file mode 100644
index 000000000..7953d6c22
--- /dev/null
+++ b/rpc/shared/utils.go
@@ -0,0 +1,28 @@
+package shared
+
+import "strings"
+
+const (
+	AdminApiName    = "admin"
+	EthApiName      = "eth"
+	DbApiName       = "db"
+	DebugApiName    = "debug"
+	MergedApiName   = "merged"
+	MinerApiName    = "miner"
+	NetApiName      = "net"
+	ShhApiName      = "shh"
+	TxPoolApiName   = "txpool"
+	PersonalApiName = "personal"
+	Web3ApiName     = "web3"
+
+	JsonRpcVersion = "2.0"
+)
+
+var (
+	// All API's
+	AllApis = strings.Join([]string{
+		AdminApiName, DbApiName, EthApiName, DebugApiName, MinerApiName, NetApiName,
+		ShhApiName, TxPoolApiName, PersonalApiName, Web3ApiName,
+	}, ",")
+)
+