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Diffstat (limited to 'mist/assets/ext/ethereum.js')
| -rw-r--r-- | mist/assets/ext/ethereum.js | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/mist/assets/ext/ethereum.js b/mist/assets/ext/ethereum.js new file mode 100644 index 000000000..697a404a3 --- /dev/null +++ b/mist/assets/ext/ethereum.js @@ -0,0 +1,295 @@ +// Main Ethereum library +window.eth = { + prototype: Object(), + _callbacks: {}, + _onCallbacks: {}, + + test: function() { + var t = undefined; + postData({call: "test"}) + navigator.qt.onmessage = function(d) {console.log("onmessage called"); t = d; } + for(;;) { + if(t !== undefined) { + return t + } + } + }, + + mutan: function(code, cb) { + postData({call: "mutan", args: [code]}, cb) + }, + + 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; + }, + + fromAscii: function(str, pad) { + if(pad === undefined) { + pad = 32 + } + + var hex = this.toHex(str); + + while(hex.length < pad*2) + hex += "00"; + + return hex + }, + + + // Retrieve block + // + // Either supply a number or a string. Type is determent for the lookup method + // string - Retrieves the block by looking up the hash + // number - Retrieves the block by looking up the block number + getBlock: function(numberOrHash, cb) { + var func; + if(typeof numberOrHash == "string") { + func = "getBlockByHash"; + } else { + func = "getBlockByNumber"; + } + postData({call: func, args: [numberOrHash]}, cb); + }, + + // Create transaction + // + // Transact between two state objects + transact: function(params, cb) { + if(params === undefined) { + params = {}; + } + + if(params.endowment !== undefined) + params.value = params.endowment; + if(params.code !== undefined) + params.data = params.code; + + // Make sure everything is string + var fields = ["to", "from", "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(); + } + + var data; + if(typeof params.data === "object") { + data = ""; + for(var i = 0; i < params.data.length; i++) { + data += params.data[i] + } + } else { + data = params.data; + } + + postData({call: "transact", args: [params.from, params.to, params.value, params.gas, params.gasPrice, "0x"+data]}, cb); + }, + + getMessages: function(filter, cb) { + postData({call: "messages", args: [filter]}, cb); + }, + + getStorageAt: function(address, storageAddress, cb) { + postData({call: "getStorage", args: [address, storageAddress]}, cb); + }, + + getEachStorageAt: function(address, cb){ + postData({call: "getEachStorage", args: [address]}, cb); + }, + + getKey: function(cb) { + postData({call: "getKey"}, cb); + }, + + getTxCountAt: function(address, cb) { + postData({call: "getTxCountAt", args: [address]}, cb); + }, + getIsMining: function(cb){ + postData({call: "getIsMining"}, cb) + }, + getIsListening: function(cb){ + postData({call: "getIsListening"}, cb) + }, + getCoinBase: function(cb){ + postData({call: "getCoinBase"}, cb); + }, + getPeerCount: function(cb){ + postData({call: "getPeerCount"}, cb); + }, + getBalanceAt: function(address, cb) { + postData({call: "getBalance", args: [address]}, cb); + }, + getTransactionsFor: function(address, cb) { + postData({call: "getTransactionsFor", args: [address]}, cb); + }, + + getSecretToAddress: function(sec, cb) { + postData({call: "getSecretToAddress", args: [sec]}, cb); + }, + + /* + watch: function(address, storageAddrOrCb, cb) { + var ev; + if(cb === undefined) { + cb = storageAddrOrCb; + storageAddrOrCb = ""; + ev = "object:"+address; + } else { + ev = "storage:"+address+":"+storageAddrOrCb; + } + + eth.on(ev, cb) + + postData({call: "watch", args: [address, storageAddrOrCb]}); + }, + + disconnect: function(address, storageAddrOrCb, cb) { + var ev; + if(cb === undefined) { + cb = storageAddrOrCb; + storageAddrOrCb = ""; + ev = "object:"+address; + } else { + ev = "storage:"+address+":"+storageAddrOrCb; + } + + eth.off(ev, cb) + + postData({call: "disconnect", args: [address, storageAddrOrCb]}); + }, + */ + + watch: function(options) { + var filter = new Filter(options); + filter.number = newWatchNum().toString() + + postData({call: "watch", args: [options, filter.number]}) + + return filter; + }, + + set: function(props) { + postData({call: "set", args: props}); + }, + + on: function(event, cb) { + if(eth._onCallbacks[event] === undefined) { + eth._onCallbacks[event] = []; + } + + eth._onCallbacks[event].push(cb); + + return this + }, + + off: function(event, cb) { + if(eth._onCallbacks[event] !== undefined) { + var callbacks = eth._onCallbacks[event]; + for(var i = 0; i < callbacks.length; i++) { + if(callbacks[i] === cb) { + delete callbacks[i]; + } + } + } + + return this + }, + + trigger: function(event, data) { + var callbacks = eth._onCallbacks[event]; + if(callbacks !== undefined) { + for(var i = 0; i < callbacks.length; i++) { + // Figure out whether the returned data was an array + // array means multiple return arguments (multiple params) + if(data instanceof Array) { + callbacks[i].apply(this, data); + } else { + callbacks[i].call(this, data); + } + } + } + }, +} + + +var Filter = function(options) { + this.options = options; +}; +Filter.prototype.changed = function(callback) { + // Register the watched:<number>. Qml will call the appropriate event if anything + // interesting happens in the land of Go. + eth.on("watched:"+this.number, callback) +} +Filter.prototype.getMessages = function(cb) { + return eth.getMessages(this.options, cb) +} + +var watchNum = 0; +function newWatchNum() { + return watchNum++; +} + +function postData(data, cb) { + data._seed = Math.floor(Math.random() * 1000000) + if(cb) { + eth._callbacks[data._seed] = cb; + } + + if(data.args === undefined) { + data.args = []; + } + + navigator.qt.postMessage(JSON.stringify(data)); +} + +navigator.qt.onmessage = function(ev) { + var data = JSON.parse(ev.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]; + } + } + } +} + +eth.on("chain:changed", function() { +}) + +eth.on("messages", { /* filters */}, function(messages){ +}) + +eth.on("pending:changed", function() { +}) + |