Updated to use ethereum.js

This commit is contained in:
obscuren 2014-10-31 10:50:16 +01:00
parent df5603de0a
commit 8e0a39f33f
13 changed files with 745 additions and 79 deletions

14
cmd/mist/assets/ext/eth.js/.gitignore vendored Normal file
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# See http://help.github.com/ignore-files/ for more about ignoring files.
#
# If you find yourself ignoring temporary files generated by your text editor
# or operating system, you probably want to add a global ignore instead:
# git config --global core.excludesfile ~/.gitignore_global
/tmp
*/**/*un~
*un~
.DS_Store
*/**/.DS_Store
ethereum/ethereum
ethereal/ethereal

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# Ethereum JavaScript API
This is the Ethereum compatible JavaScript API using `Promise`s
which implements the [Generic JSON RPC](https://github.com/ethereum/wiki/wiki/Generic-JSON-RPC) spec.
For an example see `index.html`.
**Please note this repo is in it's early stage.**
If you'd like to run a WebSocket ethereum node check out
[go-ethereum](https://github.com/ethereum/go-ethereum).
To install ethereum and spawn a node:
```
go get github.com/ethereum/go-ethereum/ethereum
ethereum -ws -loglevel=4
```

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(function () {
var HttpRpcProvider = function (host) {
this.handlers = [];
this.host = host;
};
function formatJsonRpcObject(object) {
return {
jsonrpc: '2.0',
method: object.call,
params: object.args,
id: object._id
}
};
function formatJsonRpcMessage(message) {
var object = JSON.parse(message);
return {
_id: object.id,
data: object.result
};
};
HttpRpcProvider.prototype.sendRequest = function (payload, cb) {
var data = formatJsonRpcObject(payload);
var request = new XMLHttpRequest();
request.open("POST", this.host, true);
request.send(JSON.stringify(data));
request.onreadystatechange = function () {
if (request.readyState === 4 && cb) {
cb(request);
}
}
};
HttpRpcProvider.prototype.send = function (payload) {
var self = this;
this.sendRequest(payload, function (request) {
self.handlers.forEach(function (handler) {
handler.call(self, formatJsonRpcMessage(request.responseText));
});
});
};
HttpRpcProvider.prototype.poll = function (payload, id) {
var self = this;
this.sendRequest(payload, function (request) {
var parsed = JSON.parse(request.responseText);
if (parsed.result instanceof Array ? parsed.result.length === 0 : !parsed.result) {
return;
}
self.handlers.forEach(function (handler) {
handler.call(self, {_event: payload.call, _id: id, data: parsed.result});
});
});
};
Object.defineProperty(HttpRpcProvider.prototype, "onmessage", {
set: function (handler) {
this.handlers.push(handler);
}
});
if (typeof(web3) !== "undefined" && web3.providers !== undefined) {
web3.providers.HttpRpcProvider = HttpRpcProvider;
}
})();

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<!doctype>
<html>
<head>
<script type="text/javascript" src="main.js"></script>
<script type="text/javascript" src="websocket.js"></script>
<script type="text/javascript" src="qt.js"></script>
<script type="text/javascript" src="httprpc.js"></script>
<script type="text/javascript">
function registerName() {
var name = document.querySelector("#name").value;
name = web3.fromAscii(name);
var eth = web3.eth;
eth.transact({to: "NameReg", gas: "10000", gasPrice: eth.gasPrice, data: [web3.fromAscii("register"), name]}).then(function(tx) {
document.querySelector("#result").innerHTML = "Registered name. Please wait for the next block to come through.";
}, function(err) {
console.log(err);
});
}
</script>
</head>
<body>
<h1>std::name_reg</h1>
<input type="text" id="name"></input>
<input type="submit" onClick="registerName();"></input>
<div id="result"></div>
</body>
</html>

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@ -0,0 +1,432 @@
(function(window) {
function isPromise(o) {
return o instanceof Promise
}
function flattenPromise (obj) {
if (obj instanceof Promise) {
return Promise.resolve(obj);
}
if (obj instanceof Array) {
return new Promise(function (resolve) {
var promises = obj.map(function (o) {
return flattenPromise(o);
});
return Promise.all(promises).then(function (res) {
for (var i = 0; i < obj.length; i++) {
obj[i] = res[i];
}
resolve(obj);
});
});
}
if (obj instanceof Object) {
return new Promise(function (resolve) {
var keys = Object.keys(obj);
var promises = keys.map(function (key) {
return flattenPromise(obj[key]);
});
return Promise.all(promises).then(function (res) {
for (var i = 0; i < keys.length; i++) {
obj[keys[i]] = res[i];
}
resolve(obj);
});
});
}
return Promise.resolve(obj);
};
var ethMethods = function () {
var blockCall = function (args) {
return typeof args[0] === "string" ? "blockByHash" : "blockByNumber";
};
var transactionCall = function (args) {
return typeof args[0] === "string" ? 'transactionByHash' : 'transactionByNumber';
};
var uncleCall = function (args) {
return typeof args[0] === "string" ? 'uncleByHash' : 'uncleByNumber';
};
var methods = [
{ name: 'balanceAt', call: 'balanceAt' },
{ name: 'stateAt', call: 'stateAt' },
{ name: 'countAt', call: 'countAt'},
{ name: 'codeAt', call: 'codeAt' },
{ name: 'transact', call: 'transact' },
{ name: 'call', call: 'call' },
{ name: 'block', call: blockCall },
{ name: 'transaction', call: transactionCall },
{ name: 'uncle', call: uncleCall },
{ name: 'compile', call: 'compile' }
];
return methods;
};
var ethProperties = function () {
return [
{ name: 'coinbase', getter: 'coinbase', setter: 'setCoinbase' },
{ name: 'listening', getter: 'listening', setter: 'setListening' },
{ name: 'mining', getter: 'mining', setter: 'setMining' },
{ name: 'gasPrice', getter: 'gasPrice' },
{ name: 'account', getter: 'account' },
{ name: 'accounts', getter: 'accounts' },
{ name: 'peerCount', getter: 'peerCount' },
{ name: 'defaultBlock', getter: 'defaultBlock', setter: 'setDefaultBlock' },
{ name: 'number', getter: 'number'}
];
};
var dbMethods = function () {
return [
{ name: 'put', call: 'put' },
{ name: 'get', call: 'get' },
{ name: 'putString', call: 'putString' },
{ name: 'getString', call: 'getString' }
];
};
var shhMethods = function () {
return [
{ name: 'post', call: 'post' },
{ name: 'newIdentity', call: 'newIdentity' },
{ name: 'haveIdentity', call: 'haveIdentity' },
{ name: 'newGroup', call: 'newGroup' },
{ name: 'addToGroup', call: 'addToGroup' }
];
};
var ethWatchMethods = function () {
var newFilter = function (args) {
return typeof args[0] === 'string' ? 'newFilterString' : 'newFilter';
};
return [
{ name: 'newFilter', call: newFilter },
{ name: 'uninstallFilter', call: 'uninstallFilter' },
{ name: 'getMessages', call: 'getMessages' }
];
};
var shhWatchMethods = function () {
return [
{ name: 'newFilter', call: 'shhNewFilter' },
{ name: 'uninstallFilter', call: 'shhUninstallFilter' },
{ name: 'getMessage', call: 'shhGetMessages' }
];
};
var setupMethods = function (obj, methods) {
methods.forEach(function (method) {
obj[method.name] = function () {
return flattenPromise(Array.prototype.slice.call(arguments)).then(function (args) {
var call = typeof method.call === "function" ? method.call(args) : method.call;
return {call: call, args: args};
}).then(function (request) {
return new Promise(function (resolve, reject) {
web3.provider.send(request, function (result) {
//if (result || typeof result === "boolean") {
resolve(result);
return;
//}
//reject(result);
});
});
}).catch(function( err) {
console.error(err);
});
};
});
};
var setupProperties = function (obj, properties) {
properties.forEach(function (property) {
var proto = {};
proto.get = function () {
return new Promise(function(resolve, reject) {
web3.provider.send({call: property.getter}, function(result) {
resolve(result);
});
});
};
if (property.setter) {
proto.set = function (val) {
return flattenPromise([val]).then(function (args) {
return new Promise(function (resolve) {
web3.provider.send({call: property.setter, args: args}, function (result) {
resolve(result);
});
});
}).catch(function (err) {
console.error(err);
});
}
}
Object.defineProperty(obj, property.name, proto);
});
};
var web3 = {
_callbacks: {},
_events: {},
providers: {},
toHex: function(str) {
var hex = "";
for(var i = 0; i < str.length; i++) {
var n = str.charCodeAt(i).toString(16);
hex += n.length < 2 ? '0' + n : n;
}
return hex;
},
toAscii: function(hex) {
// Find termination
var str = "";
var i = 0, l = hex.length;
for(; i < l; i+=2) {
var code = hex.charCodeAt(i)
if(code == 0) {
break;
}
str += String.fromCharCode(parseInt(hex.substr(i, 2), 16));
}
return str;
},
toDecimal: function (val) {
return parseInt(val, 16);
},
fromAscii: function(str, pad) {
pad = pad === undefined ? 32 : pad;
var hex = this.toHex(str);
while(hex.length < pad*2)
hex += "00";
return hex
},
eth: {
prototype: Object(),
watch: function (params) {
return new Filter(params, ethWatch);
},
},
db: {
prototype: Object()
},
shh: {
prototype: Object(),
watch: function (params) {
return new Filter(params, shhWatch);
}
},
on: function(event, id, cb) {
if(web3._events[event] === undefined) {
web3._events[event] = {};
}
web3._events[event][id] = cb;
return this
},
off: function(event, id) {
if(web3._events[event] !== undefined) {
delete web3._events[event][id];
}
return this
},
trigger: function(event, id, data) {
var callbacks = web3._events[event];
if (!callbacks || !callbacks[id]) {
return;
}
var cb = callbacks[id];
cb(data);
},
};
var eth = web3.eth;
setupMethods(eth, ethMethods());
setupProperties(eth, ethProperties());
setupMethods(web3.db, dbMethods());
setupMethods(web3.shh, shhMethods());
var ethWatch = {
changed: 'changed'
};
setupMethods(ethWatch, ethWatchMethods());
var shhWatch = {
changed: 'shhChanged'
};
setupMethods(shhWatch, shhWatchMethods());
var ProviderManager = function() {
this.queued = [];
this.polls = [];
this.ready = false;
this.provider = undefined;
this.id = 1;
var self = this;
var poll = function () {
if (self.provider && self.provider.poll) {
self.polls.forEach(function (data) {
data.data._id = self.id;
self.id++;
self.provider.poll(data.data, data.id);
});
}
setTimeout(poll, 12000);
};
poll();
};
ProviderManager.prototype.send = function(data, cb) {
data._id = this.id;
if (cb) {
web3._callbacks[data._id] = cb;
}
data.args = data.args || [];
this.id++;
if(this.provider !== undefined) {
this.provider.send(data);
} else {
console.warn("provider is not set");
this.queued.push(data);
}
};
ProviderManager.prototype.set = function(provider) {
if(this.provider !== undefined && this.provider.unload !== undefined) {
this.provider.unload();
}
this.provider = provider;
this.ready = true;
};
ProviderManager.prototype.sendQueued = function() {
for(var i = 0; this.queued.length; i++) {
// Resend
this.send(this.queued[i]);
}
};
ProviderManager.prototype.installed = function() {
return this.provider !== undefined;
};
ProviderManager.prototype.startPolling = function (data, pollId) {
if (!this.provider || !this.provider.poll) {
return;
}
this.polls.push({data: data, id: pollId});
};
ProviderManager.prototype.stopPolling = function (pollId) {
for (var i = this.polls.length; i--;) {
var poll = this.polls[i];
if (poll.id === pollId) {
this.polls.splice(i, 1);
}
}
};
web3.provider = new ProviderManager();
web3.setProvider = function(provider) {
provider.onmessage = messageHandler;
web3.provider.set(provider);
web3.provider.sendQueued();
};
var Filter = function(options, impl) {
this.impl = impl;
this.callbacks = [];
var self = this;
this.promise = impl.newFilter(options);
this.promise.then(function (id) {
self.id = id;
web3.on(impl.changed, id, self.trigger.bind(self));
web3.provider.startPolling({call: impl.changed, args: [id]}, id);
});
};
Filter.prototype.arrived = function(callback) {
this.changed(callback);
}
Filter.prototype.changed = function(callback) {
var self = this;
this.promise.then(function(id) {
self.callbacks.push(callback);
});
};
Filter.prototype.trigger = function(messages) {
for(var i = 0; i < this.callbacks.length; i++) {
this.callbacks[i].call(this, messages);
}
};
Filter.prototype.uninstall = function() {
var self = this;
this.promise.then(function (id) {
self.impl.uninstallFilter(id);
web3.provider.stopPolling(id);
web3.off(impl.changed, id);
});
};
Filter.prototype.messages = function() {
var self = this;
return this.promise.then(function (id) {
return self.impl.getMessages(id);
});
};
function messageHandler(data) {
if(data._event !== undefined) {
web3.trigger(data._event, data._id, data.data);
return;
}
if(data._id) {
var cb = web3._callbacks[data._id];
if (cb) {
cb.call(this, data.data)
delete web3._callbacks[data._id];
}
}
}
/*
// Install default provider
if(!web3.provider.installed()) {
var sock = new web3.WebSocket("ws://localhost:40404/eth");
web3.setProvider(sock);
}
*/
window.web3 = web3;
})(this);

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@ -0,0 +1,27 @@
(function() {
var QtProvider = function() {
this.handlers = [];
var self = this;
navigator.qt.onmessage = function (message) {
self.handlers.forEach(function (handler) {
handler.call(self, JSON.parse(message.data));
});
}
};
QtProvider.prototype.send = function(payload) {
navigator.qt.postMessage(JSON.stringify(payload));
};
Object.defineProperty(QtProvider.prototype, "onmessage", {
set: function(handler) {
this.handlers.push(handler);
},
});
if(typeof(web3) !== "undefined" && web3.providers !== undefined) {
web3.providers.QtProvider = QtProvider;
}
})();

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@ -0,0 +1,51 @@
(function() {
var WebSocketProvider = function(host) {
// onmessage handlers
this.handlers = [];
// queue will be filled with messages if send is invoked before the ws is ready
this.queued = [];
this.ready = false;
this.ws = new WebSocket(host);
var self = this;
this.ws.onmessage = function(event) {
for(var i = 0; i < self.handlers.length; i++) {
self.handlers[i].call(self, JSON.parse(event.data), event)
}
};
this.ws.onopen = function() {
self.ready = true;
for(var i = 0; i < self.queued.length; i++) {
// Resend
self.send(self.queued[i]);
}
};
};
WebSocketProvider.prototype.send = function(payload) {
if(this.ready) {
var data = JSON.stringify(payload);
this.ws.send(data);
} else {
this.queued.push(payload);
}
};
WebSocketProvider.prototype.onMessage = function(handler) {
this.handlers.push(handler);
};
WebSocketProvider.prototype.unload = function() {
this.ws.close();
};
Object.defineProperty(WebSocketProvider.prototype, "onmessage", {
set: function(provider) { this.onMessage(provider); }
});
if(typeof(web3) !== "undefined" && web3.providers !== undefined) {
web3.providers.WebSocketProvider = WebSocketProvider;
}
})();

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@ -0,0 +1,8 @@
(function() {
if (typeof(Promise) === "undefined")
window.Promise = Q.Promise;
var eth = web3.eth;
web3.setProvider(new web3.providers.QtProvider());
})()

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@ -155,7 +155,8 @@ Rectangle {
experimental.preferences.javascriptEnabled: true
experimental.preferences.navigatorQtObjectEnabled: true
experimental.preferences.developerExtrasEnabled: true
experimental.userScripts: ["../ext/qt_messaging_adapter.js", "../ext/q.js", "../ext/big.js", "../ext/string.js", "../ext/html_messaging.js"]
//experimental.userScripts: ["../ext/qt_messaging_adapter.js", "../ext/q.js", "../ext/big.js", "../ext/string.js", "../ext/html_messaging.js"]
experimental.userScripts: ["../ext/q.js", "../ext/eth.js/main.js", "../ext/eth.js/qt.js", "../ext/setup.js"]
experimental.onMessageReceived: {
console.log("[onMessageReceived]: ", message.data)
// TODO move to messaging.js
@ -164,51 +165,88 @@ Rectangle {
try {
switch(data.call) {
case "compile":
postData(data._seed, eth.compile(data.args[0]))
postData(data._id, eth.compile(data.args[0]))
break
case "getCoinBase":
postData(data._seed, eth.coinBase())
case "coinbase":
postData(data._id, eth.coinBase())
case "account":
postData(data._id, eth.key().address);
case "isListening":
postData(data._id, eth.isListening())
break
case "getIsListening":
postData(data._seed, eth.isListening())
case "isMining":
postData(data._id, eth.isMining())
break
case "getIsMining":
postData(data._seed, eth.isMining())
case "peerCount":
postData(data._id, eth.peerCount())
break
case "getPeerCount":
postData(data._seed, eth.peerCount())
break
case "getCountAt":
case "countAt":
require(1)
postData(data._seed, eth.txCountAt(data.args[0]))
postData(data._id, eth.txCountAt(data.args[0]))
break
case "getCodeAt":
case "codeAt":
require(1)
var code = eth.codeAt(data.args[0])
postData(data._seed, code);
postData(data._id, code);
break
case "getBlockByNumber":
case "blockByNumber":
require(1)
var block = eth.blockByNumber(data.args[0])
postData(data._seed, block)
postData(data._id, block)
break
case "getBlockByHash":
case "blockByHash":
require(1)
var block = eth.blockByHash(data.args[0])
postData(data._seed, block)
postData(data._id, block)
break
require(2)
var block = eth.blockByHash(data.args[0])
postData(data._id, block.transactions[data.args[1]])
break
case "transactionByHash":
case "transactionByNumber":
require(2)
var block;
if (data.call === "transactionByHash")
block = eth.blockByHash(data.args[0])
else
block = eth.blockByNumber(data.args[0])
var tx = block.transactions.get(data.args[1])
postData(data._id, tx)
break
case "uncleByHash":
case "uncleByNumber":
require(2)
var block;
if (data.call === "uncleByHash")
block = eth.blockByHash(data.args[0])
else
block = eth.blockByNumber(data.args[0])
var uncle = block.uncles.get(data.args[1])
postData(data._id, uncle)
break
@ -216,50 +254,28 @@ Rectangle {
require(5)
var tx = eth.transact(data.args)
postData(data._seed, tx)
postData(data._id, tx)
break
case "getStorageAt":
case "stateAt":
require(2);
var storage = eth.storageAt(data.args[0], data.args[1]);
postData(data._seed, storage)
postData(data._id, storage)
break
case "call":
require(1);
var ret = eth.call(data.args)
postData(data._seed, ret)
postData(data._id, ret)
break
case "getEachStorage":
require(1);
var storage = JSON.parse(eth.eachStorage(data.args[0]))
postData(data._seed, storage)
break
case "getTransactionsFor":
require(1);
var txs = eth.transactionsFor(data.args[0], true)
postData(data._seed, txs)
break
case "getBalanceAt":
case "balanceAt":
require(1);
postData(data._seed, eth.balanceAt(data.args[0]));
break
case "getKey":
var key = eth.key().privateKey;
postData(data._seed, key)
postData(data._id, eth.balanceAt(data.args[0]));
break
case "watch":
@ -268,45 +284,34 @@ Rectangle {
case "disconnect":
require(1)
postData(data._seed, null)
break;
case "getSecretToAddress":
require(1)
var addr = eth.secretToAddress(data.args[0])
console.log("getsecret", addr)
postData(data._seed, addr)
postData(data._id, null)
break;
case "messages":
require(1);
var messages = JSON.parse(eth.getMessages(data.args[0]))
postData(data._seed, messages)
postData(data._id, messages)
break
case "mutan":
require(1)
var code = eth.compileMutan(data.args[0])
postData(data._seed, "0x"+code)
postData(data._id, "0x"+code)
break;
case "newFilterString":
require(1)
var id = eth.newFilterString(data.args[0])
postData(data._seed, id);
postData(data._id, id);
break;
case "newFilter":
require(1)
var id = eth.newFilter(data.args[0])
postData(data._seed, id);
postData(data._id, id);
break;
case "getMessages":
@ -314,7 +319,7 @@ Rectangle {
var messages = eth.messages(data.args[0]);
var m = JSON.parse(JSON.parse(JSON.stringify(messages)))
postData(data._seed, m);
postData(data._id, m);
break;
@ -326,13 +331,13 @@ Rectangle {
} catch(e) {
console.log(data.call + ": " + e)
postData(data._seed, null);
postData(data._id, null);
}
}
function post(seed, data) {
postData(data._seed, data)
postData(data._id, data)
}
function require(args, num) {
@ -341,7 +346,7 @@ Rectangle {
}
}
function postData(seed, data) {
webview.experimental.postMessage(JSON.stringify({data: data, _seed: seed}))
webview.experimental.postMessage(JSON.stringify({data: data, _id: seed}))
}
function postEvent(event, data) {
webview.experimental.postMessage(JSON.stringify({data: data, _event: event}))

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@ -90,7 +90,7 @@ func (self *Filter) Find() []*ethstate.Message {
for i := 0; !quit && block != nil; i++ {
// Quit on latest
switch {
case block.Number.Uint64() == earliestBlockNo:
case block.Number.Uint64() == earliestBlockNo, block.Number.Uint64() == 0:
quit = true
case self.max <= len(messages):
break

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@ -194,7 +194,7 @@ done:
}
// Notify all subscribers
self.eth.EventMux().Post(TxPostEvent{tx})
go self.eth.EventMux().Post(TxPostEvent{tx})
receipts = append(receipts, receipt)
handled = append(handled, tx)

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@ -19,6 +19,7 @@ type JSBlock struct {
Number int `json:"number"`
Hash string `json:"hash"`
Transactions *ethutil.List `json:"transactions"`
Uncles *ethutil.List `json:"uncles"`
Time int64 `json:"time"`
Coinbase string `json:"coinbase"`
Name string `json:"name"`
@ -33,18 +34,24 @@ func NewJSBlock(block *ethchain.Block) *JSBlock {
return &JSBlock{}
}
var ptxs []*JSTransaction
for _, tx := range block.Transactions() {
ptxs = append(ptxs, NewJSTx(tx, block.State()))
ptxs := make([]*JSTransaction, len(block.Transactions()))
for i, tx := range block.Transactions() {
ptxs[i] = NewJSTx(tx, block.State())
}
txlist := ethutil.NewList(ptxs)
list := ethutil.NewList(ptxs)
puncles := make([]*JSBlock, len(block.Uncles))
for i, uncle := range block.Uncles {
puncles[i] = NewJSBlock(uncle)
}
ulist := ethutil.NewList(puncles)
return &JSBlock{
ref: block, Size: block.Size().String(),
Number: int(block.Number.Uint64()), GasUsed: block.GasUsed.String(),
GasLimit: block.GasLimit.String(), Hash: ethutil.Bytes2Hex(block.Hash()),
Transactions: list, Time: block.Time,
Transactions: txlist, Uncles: ulist,
Time: block.Time,
Coinbase: ethutil.Bytes2Hex(block.Coinbase),
PrevHash: ethutil.Bytes2Hex(block.PrevHash),
}

View File

@ -69,7 +69,8 @@ func (self *List) Interface() interface{} {
// For JavaScript <3
func (self *List) ToJSON() string {
var list []interface{}
// make(T, 0) != nil
list := make([]interface{}, 0)
for i := 0; i < self.Length; i++ {
list = append(list, self.Get(i))
}