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web3.js
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Updated according to the new Generic JSON RPC API

This commit is contained in:
obscuren 2014-10-21 00:14:41 +02:00
parent c95dfec5e4
commit 590c393680
2 changed files with 263 additions and 301 deletions
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2
index.html
View File

@ -2,7 +2,7 @@
<html>
<head>
<script type="text/javascript" src="ethereum.js"></script>
<script type="text/javascript" src="main.js"></script>
<script type="text/javascript">
function registerName() {
var name = document.querySelector("#name").value;

562
main.js
View File

@ -3,11 +3,10 @@
return o instanceof Promise
}
var eth = {
var web3 = {
_callbacks: {},
_events: {},
prototype: Object(),
providers: {},
toHex: function(str) {
var hex = "";
for(var i = 0; i < str.length; i++) {
@ -47,249 +46,253 @@
return hex
},
block: function(numberOrHash) {
return new Promise(function(resolve, reject) {
var func;
if(typeof numberOrHash == "string") {
func = "getBlockByHash";
} else {
func = "getBlockByNumber";
}
eth.provider.send({call: func, args: [numberOrHash]}, function(block) {
if(block)
resolve(block);
else
reject("not found");
});
});
},
transact: function(params) {
if(params === undefined) {
params = {};
}
if(params.endowment !== undefined)
params.value = params.endowment;
if(params.code !== undefined)
params.data = params.code;
eth: {
prototype: Object(),
var promises = []
if(isPromise(params.to)) {
promises.push(params.to.then(function(_to) { params.to = _to; }));
}
if(isPromise(params.from)) {
promises.push(params.from.then(function(_from) { params.from = _from; }));
}
if(typeof params.data !== "object" || isPromise(params.data)) {
params.data = [params.data]
}
var data = params.data;
for(var i = 0; i < params.data.length; i++) {
if(isPromise(params.data[i])) {
var promise = params.data[i];
var _i = i;
promises.push(promise.then(function(_arg) { params.data[_i] = _arg; }));
}
}
// Make sure everything is string
var fields = ["value", "gas", "gasPrice"];
for(var i = 0; i < fields.length; i++) {
if(params[fields[i]] === undefined) {
params[fields[i]] = "";
}
params[fields[i]] = params[fields[i]].toString();
}
// Load promises then call the last "transact".
return Promise.all(promises).then(function() {
block: function(numberOrHash) {
return new Promise(function(resolve, reject) {
params.data = params.data.join("");
eth.provider.send({call: "transact", args: ["0x"+params]}, function(data) {
if(data[1])
reject(data[0]);
else
resolve(data[0]);
});
});
})
},
compile: function(code) {
return new Promise(function(resolve, reject) {
eth.provider.send({call: "compile", args: [code]}, function(data) {
if(data[1])
reject(data[0]);
else
resolve(data[0]);
});
});
},
balanceAt: function(address) {
var promises = [];
if(isPromise(address)) {
promises.push(address.then(function(_address) { address = _address; }));
}
return Promise.all(promises).then(function() {
return new Promise(function(resolve, reject) {
eth.provider.send({call: "getBalanceAt", args: [address]}, function(balance) {
resolve(balance);
});
});
});
},
countAt: function(address) {
var promises = [];
if(isPromise(address)) {
promises.push(address.then(function(_address) { address = _address; }));
}
return Promise.all(promises).then(function() {
return new Promise(function(resolve, reject) {
eth.provider.send({call: "getCountAt", args: [address]}, function(count) {
resolve(count);
});
});
});
},
codeAt: function(address) {
var promises = [];
if(isPromise(address)) {
promises.push(address.then(function(_address) { address = _address; }));
}
return Promise.all(promises).then(function() {
return new Promise(function(resolve, reject) {
eth.provider.send({call: "getCodeAt", args: [address]}, function(code) {
resolve(code);
});
});
});
},
storageAt: function(address, storageAddress) {
var promises = [];
if(isPromise(address)) {
promises.push(address.then(function(_address) { address = _address; }));
}
if(isPromise(storageAddress)) {
promises.push(storageAddress.then(function(_sa) { storageAddress = _sa; }));
}
return Promise.all(promises).then(function() {
return new Promise(function(resolve, reject) {
eth.provider.send({call: "getStorageAt", args: [address, storageAddress]}, function(entry) {
resolve(entry);
});
});
});
},
stateAt: function(address, storageAddress) {
return this.storageAt(address, storageAddress);
},
call: function(params) {
if(params === undefined) {
params = {};
}
if(params.endowment !== undefined)
params.value = params.endowment;
if(params.code !== undefined)
params.data = params.code;
var promises = []
if(isPromise(params.to)) {
promises.push(params.to.then(function(_to) { params.to = _to; }));
}
if(isPromise(params.from)) {
promises.push(params.from.then(function(_from) { params.from = _from; }));
}
if(isPromise(params.data)) {
promises.push(params.data.then(function(_code) { params.data = _code; }));
} else {
if(typeof params.data === "object") {
data = "";
for(var i = 0; i < params.data.length; i++) {
data += params.data[i]
/*
var func;
if(typeof numberOrHash == "string") {
func = "getBlockByHash";
} else {
func = "getBlockByNumber";
}
} else {
data = params.data;
}
}
*/
// Make sure everything is string
var fields = ["value", "gas", "gasPrice"];
for(var i = 0; i < fields.length; i++) {
if(params[fields[i]] === undefined) {
params[fields[i]] = "";
}
params[fields[i]] = params[fields[i]].toString();
}
web3.provider.send({call: /*func*/"block", args: [numberOrHash]}, function(block) {
if(block)
resolve(block);
else
reject("not found");
// Load promises then call the last "transact".
return Promise.all(promises).then(function() {
});
});
},
transaction: function(numberOrHash, nth) {
return new Promise(function(resolve, reject) {
eth.provider.send({call: "call", args: params}, function(data) {
reject("`transaction` not yet implemented")
});
},
uncle: function(numberOrHash, nth) {
return new Promise(function(resolve, reject) {
reject("`uncle` not yet implemented")
});
},
transact: function(params) {
if(params === undefined) {
params = {};
}
if(params.endowment !== undefined)
params.value = params.endowment;
if(params.code !== undefined)
params.data = params.code;
var promises = []
if(isPromise(params.to)) {
promises.push(params.to.then(function(_to) { params.to = _to; }));
}
if(isPromise(params.from)) {
promises.push(params.from.then(function(_from) { params.from = _from; }));
}
if(typeof params.data !== "object" || isPromise(params.data)) {
params.data = [params.data]
}
var data = params.data;
for(var i = 0; i < params.data.length; i++) {
if(isPromise(params.data[i])) {
var promise = params.data[i];
var _i = i;
promises.push(promise.then(function(_arg) { params.data[_i] = _arg; }));
}
}
// Make sure everything is string
var fields = ["value", "gas", "gasPrice"];
for(var i = 0; i < fields.length; i++) {
if(params[fields[i]] === undefined) {
params[fields[i]] = "";
}
params[fields[i]] = params[fields[i]].toString();
}
// Load promises then call the last "transact".
return Promise.all(promises).then(function() {
return new Promise(function(resolve, reject) {
params.data = params.data.join("");
web3.provider.send({call: "transact", args: ["0x"+params]}, function(data) {
if(data[1])
reject(data[0]);
else
resolve(data[0]);
});
});
})
},
compile: function(code) {
return new Promise(function(resolve, reject) {
web3.provider.send({call: "compile", args: [code]}, function(data) {
if(data[1])
reject(data[0]);
else
resolve(data[0]);
});
});
})
},
},
watch: function(params) {
return new Filter(params);
},
balanceAt: function(address) {
var promises = [];
secretToAddress: function(key) {
var promises = [];
if(isPromise(key)) {
promises.push(key.then(function(_key) { key = _key; }));
}
if(isPromise(address)) {
promises.push(address.then(function(_address) { address = _address; }));
}
return Promise.all(promises).then(function() {
return new Promise(function(resolve, reject) {
eth.provider.send({call: "getSecretToAddress", args: [key]}, function(address) {
resolve(address);
return Promise.all(promises).then(function() {
return new Promise(function(resolve, reject) {
web3.provider.send({call: "balanceAt", args: [address]}, function(balance) {
resolve(balance);
});
});
});
});
},
countAt: function(address) {
var promises = [];
if(isPromise(address)) {
promises.push(address.then(function(_address) { address = _address; }));
}
return Promise.all(promises).then(function() {
return new Promise(function(resolve, reject) {
web3.provider.send({call: "countAt", args: [address]}, function(count) {
resolve(count);
});
});
});
},
codeAt: function(address) {
var promises = [];
if(isPromise(address)) {
promises.push(address.then(function(_address) { address = _address; }));
}
return Promise.all(promises).then(function() {
return new Promise(function(resolve, reject) {
web3.provider.send({call: "codeAt", args: [address]}, function(code) {
resolve(code);
});
});
});
},
storageAt: function(address, storageAddress) {
var promises = [];
if(isPromise(address)) {
promises.push(address.then(function(_address) { address = _address; }));
}
if(isPromise(storageAddress)) {
promises.push(storageAddress.then(function(_sa) { storageAddress = _sa; }));
}
return Promise.all(promises).then(function() {
return new Promise(function(resolve, reject) {
web3.provider.send({call: "stateAt", args: [address, storageAddress]}, function(entry) {
resolve(entry);
});
});
});
},
stateAt: function(address, storageAddress) {
return this.storageAt(address, storageAddress);
},
call: function(params) {
if(params === undefined) {
params = {};
}
if(params.endowment !== undefined)
params.value = params.endowment;
if(params.code !== undefined)
params.data = params.code;
var promises = []
if(isPromise(params.to)) {
promises.push(params.to.then(function(_to) { params.to = _to; }));
}
if(isPromise(params.from)) {
promises.push(params.from.then(function(_from) { params.from = _from; }));
}
if(isPromise(params.data)) {
promises.push(params.data.then(function(_code) { params.data = _code; }));
} else {
if(typeof params.data === "object") {
data = "";
for(var i = 0; i < params.data.length; i++) {
data += params.data[i]
}
} else {
data = params.data;
}
}
// Make sure everything is string
var fields = ["value", "gas", "gasPrice"];
for(var i = 0; i < fields.length; i++) {
if(params[fields[i]] === undefined) {
params[fields[i]] = "";
}
params[fields[i]] = params[fields[i]].toString();
}
// Load promises then call the last "transact".
return Promise.all(promises).then(function() {
return new Promise(function(resolve, reject) {
web3.provider.send({call: "call", args: params}, function(data) {
if(data[1])
reject(data[0]);
else
resolve(data[0]);
});
});
})
},
watch: function(params) {
return new Filter(params);
},
},
on: function(event, cb) {
if(eth._events[event] === undefined) {
eth._events[event] = [];
if(web3._events[event] === undefined) {
web3._events[event] = [];
}
eth._events[event].push(cb);
web3._events[event].push(cb);
return this
},
off: function(event, cb) {
if(eth._events[event] !== undefined) {
var callbacks = eth._events[event];
if(web3._events[event] !== undefined) {
var callbacks = web3._events[event];
for(var i = 0; i < callbacks.length; i++) {
if(callbacks[i] === cb) {
delete callbacks[i];
@ -301,7 +304,7 @@
},
trigger: function(event, data) {
var callbacks = eth._events[event];
var callbacks = web3._events[event];
if(callbacks !== undefined) {
for(var i = 0; i < callbacks.length; i++) {
// Figure out whether the returned data was an array
@ -316,6 +319,7 @@
},
};
var eth = web3.eth;
// Eth object properties
Object.defineProperty(eth, "key", {
get: function() {
@ -336,7 +340,7 @@
Object.defineProperty(eth, "coinbase", {
get: function() {
return new Promise(function(resolve, reject) {
eth.provider.send({call: "getCoinBase"}, function(coinbase) {
web3.provider.send({call: "getCoinBase"}, function(coinbase) {
resolve(coinbase);
});
});
@ -346,7 +350,7 @@
Object.defineProperty(eth, "listening", {
get: function() {
return new Promise(function(resolve, reject) {
eth.provider.send({call: "getIsListening"}, function(listening) {
web3.provider.send({call: "getIsListening"}, function(listening) {
resolve(listening);
});
});
@ -357,7 +361,7 @@
Object.defineProperty(eth, "mining", {
get: function() {
return new Promise(function(resolve, reject) {
eth.provider.send({call: "getIsMining"}, function(mining) {
web3.provider.send({call: "getIsMining"}, function(mining) {
resolve(mining);
});
});
@ -367,7 +371,7 @@
Object.defineProperty(eth, "peerCount", {
get: function() {
return new Promise(function(resolve, reject) {
eth.provider.send({call: "getPeerCount"}, function(peerCount) {
web3.provider.send({call: "getPeerCount"}, function(peerCount) {
resolve(peerCount);
});
});
@ -378,19 +382,19 @@
this.queued = [];
this.ready = false;
this.provider = undefined;
this.seed = 1;
this.id = 1;
};
ProviderManager.prototype.send = function(data, cb) {
data.seed = this.seed;
data._id = this.id;
if(cb) {
eth._callbacks[data.seed] = cb;
web3._callbacks[data._id] = cb;
}
if(data.args === undefined) {
data.args = [];
}
this.seed++;
this.id++;
if(this.provider !== undefined) {
this.provider.send(data);
@ -418,60 +422,16 @@
ProviderManager.prototype.installed = function() {
return this.provider !== undefined;
};
web3.provider = new ProviderManager();
eth.provider = new ProviderManager();
web3.setProvider = function(provider) {
provider.onmessage = messageHandler;
eth.setProvider = function(provider) {
eth.provider.set(provider);
web3.provider.set(provider);
eth.provider.sendQueued();
web3.provider.sendQueued();
};
var EthWebSocket = 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, 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]);
}
};
};
EthWebSocket.prototype.send = function(jsonData) {
if(this.ready) {
var data = JSON.stringify(jsonData);
this.ws.send(data);
} else {
this.queued.push(jsonData);
}
};
EthWebSocket.prototype.onMessage = function(handler) {
this.handlers.push(handler);
};
EthWebSocket.prototype.unload = function() {
this.ws.close();
};
eth.WebSocket = EthWebSocket;
var filters = [];
var Filter = function(options) {
filters.push(this);
@ -488,7 +448,7 @@
var self = this; // Cheaper than binding
this.promise = new Promise(function(resolve, reject) {
eth.provider.send({call: call, args: [options]}, function(id) {
web3.provider.send({call: call, args: [options]}, function(id) {
self.id = id;
resolve(id);
@ -513,7 +473,7 @@
Filter.prototype.uninstall = function() {
this.promise.then(function(id) {
eth.provider.send({call: "uninstallFilter", args:[id]});
web3.provider.send({call: "uninstallFilter", args:[id]});
});
};
@ -522,7 +482,7 @@
return Promise.all([this.promise]).then(function() {
var id = self.id
return new Promise(function(resolve, reject) {
eth.provider.send({call: "getMessages", args: [id]}, function(messages) {
web3.provider.send({call: "getMessages", args: [id]}, function(messages) {
resolve(messages);
});
});
@ -531,36 +491,38 @@
// Register to the messages callback. "messages" will be emitted when new messages
// from the client have been created.
eth.on("messages", function(messages, id) {
web3.on("messages", function(messages, id) {
for(var i = 0; i < filters.length; i++) {
filters[i].trigger(messages, id);
}
});
function messageHandler(ev) {
var data = JSON.parse(ev)
// Install default provider
if(!eth.provider.installed()) {
var sock = new eth.WebSocket("ws://localhost:40404/eth");
sock.onMessage(function(ev) {
var data = JSON.parse(ev)
if(data._event !== undefined) {
web3.trigger(data._event, data.data);
} else {
if(data._id) {
var cb = web3._callbacks[data._id];
if(cb) {
cb.call(this, data.data)
if(data._event !== undefined) {
eth.trigger(data._event, data.data);
} else {
if(data.seed) {
var cb = eth._callbacks[data.seed];
if(cb) {
cb.call(this, data.data)
// Remove the "trigger" callback
delete eth._callbacks[ev.seed];
}
// Remove the "trigger" callback
delete web3._callbacks[ev._id];
}
}
});
eth.setProvider(sock);
}
}
window.eth = eth;
/*
// Install default provider
if(!web3.provider.installed()) {
var sock = new web3.WebSocket("ws://localhost:40404/eth");
web3.setProvider(sock);
}
*/
window.web3 = web3;
})(this);