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author | obscuren <geffobscura@gmail.com> | 2014-05-21 01:28:48 +0800 |
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committer | obscuren <geffobscura@gmail.com> | 2014-05-21 01:28:48 +0800 |
commit | 563c035eb57a0507979a84f3dd22411be2a4cad1 (patch) | |
tree | acfec3cebd471060008a8e6ab875d3125954e3a2 /ethereum/javascript_runtime.go | |
parent | de1dfae7170a946d255a9b4932e08f887d48947c (diff) | |
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Refactored some of the functions
Diffstat (limited to 'ethereum/javascript_runtime.go')
-rw-r--r-- | ethereum/javascript_runtime.go | 89 |
1 files changed, 76 insertions, 13 deletions
diff --git a/ethereum/javascript_runtime.go b/ethereum/javascript_runtime.go index cc8fe370f..76ced3f3d 100644 --- a/ethereum/javascript_runtime.go +++ b/ethereum/javascript_runtime.go @@ -7,6 +7,9 @@ import ( "github.com/ethereum/eth-go/ethpub" "github.com/ethereum/eth-go/ethutil" "github.com/obscuren/otto" + "io/ioutil" + "os" + "path/filepath" ) type JSRE struct { @@ -53,6 +56,22 @@ func (self *JSRE) Run(code string) (otto.Value, error) { return self.vm.Run(code) } +func (self *JSRE) Require(file string) error { + if len(filepath.Ext(file)) == 0 { + file += ".js" + } + + fh, err := os.Open(file) + if err != nil { + return err + } + + content, _ := ioutil.ReadAll(fh) + self.Run("exports = {};(function() {" + string(content) + "})();") + + return nil +} + func (self *JSRE) Stop() { // Kill the main loop self.quitChan <- true @@ -82,7 +101,10 @@ out: cb.Call(cb, val) } } else if storageObject, ok := object.Resource.(*ethchain.StorageState); ok { - fmt.Println(storageObject) + for _, cb := range self.objectCb[ethutil.Hex(storageObject.Address)+ethutil.Hex(storageObject.StateAddress)] { + val, _ := self.vm.ToValue(ethpub.NewPStorageState(storageObject)) + cb.Call(cb, val) + } } } } @@ -91,24 +113,65 @@ out: func (self *JSRE) initStdFuncs() { t, _ := self.vm.Get("eth") eth := t.Object() - eth.Set("watch", func(call otto.FunctionCall) otto.Value { - addr, _ := call.Argument(0).ToString() - cb := call.Argument(1) + eth.Set("watch", self.watch) + eth.Set("addPeer", self.addPeer) + self.Set("require", self.require) +} + +/* + * The following methods are natively implemented javascript functions + */ + +// eth.watch +func (self JSRE) watch(call otto.FunctionCall) otto.Value { + addr, _ := call.Argument(0).ToString() + var storageAddr string + var cb otto.Value + var storageCallback bool + if len(call.ArgumentList) > 2 { + storageCallback = true + storageAddr, _ = call.Argument(1).ToString() + cb = call.Argument(2) + } else { + cb = call.Argument(1) + } + + if storageCallback { + self.objectCb[addr+storageAddr] = append(self.objectCb[addr+storageAddr], cb) + event := "storage:" + string(ethutil.FromHex(addr)) + ":" + string(ethutil.FromHex(storageAddr)) + self.ethereum.Reactor().Subscribe(event, self.changeChan) + } else { self.objectCb[addr] = append(self.objectCb[addr], cb) event := "object:" + string(ethutil.FromHex(addr)) self.ethereum.Reactor().Subscribe(event, self.changeChan) + } + + return otto.UndefinedValue() +} +func (self *JSRE) addPeer(call otto.FunctionCall) otto.Value { + host, err := call.Argument(0).ToString() + if err != nil { + return otto.FalseValue() + } + self.ethereum.ConnectToPeer(host) + + return otto.TrueValue() +} + +func (self *JSRE) require(call otto.FunctionCall) otto.Value { + file, err := call.Argument(0).ToString() + if err != nil { return otto.UndefinedValue() - }) - eth.Set("addPeer", func(call otto.FunctionCall) otto.Value { - host, err := call.Argument(0).ToString() - if err != nil { - return otto.FalseValue() - } - self.ethereum.ConnectToPeer(host) + } + if err := self.Require(file); err != nil { + fmt.Println("err:", err) + return otto.UndefinedValue() + } + + t, _ := self.vm.Get("exports") - return otto.TrueValue() - }) + return t } |