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authorBas van Kervel <bas@ethdev.com>2015-06-09 01:51:38 +0800
committerBas van Kervel <basvankervel@gmail.com>2015-06-11 20:01:40 +0800
commitfaab931ce1282dea50c8fdf0577c42ee67f69828 (patch)
tree738673afb158a92842d1a05ef050df23c38b64c9 /cmd/console
parentd2a87f6f72b1582fd6e220e2a00d7c3f5a6df335 (diff)
downloaddexon-faab931ce1282dea50c8fdf0577c42ee67f69828.tar.gz
dexon-faab931ce1282dea50c8fdf0577c42ee67f69828.tar.zst
dexon-faab931ce1282dea50c8fdf0577c42ee67f69828.zip
only load supported api's
Diffstat (limited to 'cmd/console')
-rw-r--r--cmd/console/js.go82
-rw-r--r--cmd/console/main.go8
2 files changed, 81 insertions, 9 deletions
diff --git a/cmd/console/js.go b/cmd/console/js.go
index 8b9137add..ea0961a39 100644
--- a/cmd/console/js.go
+++ b/cmd/console/js.go
@@ -26,12 +26,18 @@ import (
"path/filepath"
"strings"
+ "encoding/json"
+
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common/docserver"
re "github.com/ethereum/go-ethereum/jsre"
"github.com/ethereum/go-ethereum/rpc"
+ "github.com/ethereum/go-ethereum/rpc/codec"
+ "github.com/ethereum/go-ethereum/rpc/comms"
+ "github.com/ethereum/go-ethereum/rpc/shared"
"github.com/peterh/liner"
"github.com/robertkrimen/otto"
+ "github.com/ethereum/go-ethereum/rpc/api"
)
type prompter interface {
@@ -120,9 +126,27 @@ func (js *jsre) apiBindings(ipcpath string) {
if err != nil {
utils.Fatalf("Error setting web3 provider: %v", err)
}
- _, err = js.re.Eval(`
-var eth = web3.eth;
- `)
+
+ apis, err := js.suportedApis(ipcpath)
+ if err != nil {
+ utils.Fatalf("Unable to determine supported api's: %v", err)
+ }
+
+ // load only supported API's in javascript runtime
+ shortcuts := "var eth = web3.eth; "
+ for _, apiName := range apis {
+ if apiName == api.Web3ApiName || apiName == api.EthApiName {
+ continue // manually mapped
+ }
+
+ if err = js.re.Compile(fmt.Sprintf("%s.js", apiName), api.Javascript(apiName)); err == nil {
+ shortcuts += fmt.Sprintf("var %s = web3.%s; ", apiName, apiName)
+ } else {
+ utils.Fatalf("Error loading %s.js: %v", apiName, err)
+ }
+ }
+
+ _, err = js.re.Eval(shortcuts)
if err != nil {
utils.Fatalf("Error setting namespaces: %v", err)
@@ -170,11 +194,59 @@ func (self *jsre) exec(filename string) error {
return nil
}
+func (self *jsre) suportedApis(ipcpath string) ([]string, error) {
+ config := comms.IpcConfig{
+ Endpoint: ipcpath,
+ }
+
+ client, err := comms.NewIpcClient(config, codec.JSON)
+ if err != nil {
+ return nil, err
+ }
+
+ req := shared.Request{
+ Id: 1,
+ Jsonrpc: "2.0",
+ Method: "support_apis",
+ }
+
+ err = client.Send(req)
+ if err != nil {
+ return nil, err
+ }
+
+ res, err := client.Recv()
+ if err != nil {
+ return nil, err
+ }
+
+ if sucRes, ok := res.(shared.SuccessResponse); ok {
+ data, _ := json.Marshal(sucRes.Result)
+ apis := make([]string, 0)
+ err = json.Unmarshal(data, &apis)
+ if err == nil {
+ return apis, nil
+ }
+ }
+
+ return nil, fmt.Errorf("Unable to determine supported API's")
+}
+
// show summary of current geth instance
-func (self *jsre) welcome() {
+func (self *jsre) welcome(ipcpath string) {
self.re.Eval(`
- console.log('Connected to ' + web3.version.client);
+ console.log(' Connected to: ' + web3.version.client);
`)
+
+ if apis, err := self.suportedApis(ipcpath); err == nil {
+ apisStr := ""
+ for _, api := range apis {
+ apisStr += api + " "
+ }
+ self.re.Eval(fmt.Sprintf(`console.log("Available api's: %s");`, apisStr))
+ } else {
+ utils.Fatalf("unable to determine supported api's - %v", err)
+ }
}
func (self *jsre) interactive() {
diff --git a/cmd/console/main.go b/cmd/console/main.go
index 781f1f8cb..9020a12fe 100644
--- a/cmd/console/main.go
+++ b/cmd/console/main.go
@@ -25,11 +25,11 @@ import (
"io"
"os"
- "github.com/mattn/go-colorable"
- "github.com/mattn/go-isatty"
"github.com/codegangsta/cli"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/logger"
+ "github.com/mattn/go-colorable"
+ "github.com/mattn/go-isatty"
)
const (
@@ -40,7 +40,7 @@ const (
var (
gitCommit string // set via linker flag
nodeNameVersion string
- app = utils.NewApp(Version, "the ether console")
+ app = utils.NewApp(Version, "the ether console")
)
func init() {
@@ -96,6 +96,6 @@ func run(ctx *cli.Context) {
ipcpath := ctx.GlobalString(utils.IPCPathFlag.Name)
repl := newJSRE(jspath, ipcpath)
- repl.welcome()
+ repl.welcome(ipcpath)
repl.interactive()
}