2014-09-19 15:42:55 -05:00
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// The magic return variable. The magic return variable will be set during the execution of the QML call.
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(function(window) {
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function message(type, data) {
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document.title = JSON.stringify({type: type, data: data});
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return window.____returnData;
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}
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function isPromise(o) {
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return typeof o === "object" && o.then
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}
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window.eth = {
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_callbacks: {},
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2014-09-22 07:54:27 -05:00
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_events: {},
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2014-09-19 15:42:55 -05:00
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prototype: Object(),
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2014-09-22 07:54:27 -05:00
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toHex: function(str) {
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var hex = "";
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for(var i = 0; i < str.length; i++) {
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var n = str.charCodeAt(i).toString(16);
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hex += n.length < 2 ? '0' + n : n;
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}
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return hex;
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},
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toAscii: function(hex) {
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// Find termination
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var str = "";
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var i = 0, l = hex.length;
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for(; i < l; i+=2) {
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var code = hex.charCodeAt(i)
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if(code == 0) {
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break;
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}
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str += String.fromCharCode(parseInt(hex.substr(i, 2), 16));
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}
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return str;
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},
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fromAscii: function(str, pad) {
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if(pad === undefined) {
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pad = 32
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}
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var hex = this.toHex(str);
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while(hex.length < pad*2)
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hex += "00";
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return hex
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2014-09-19 15:42:55 -05:00
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},
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block: function(numberOrHash) {
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return new Promise(function(resolve, reject) {
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var func;
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if(typeof numberOrHash == "string") {
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func = "getBlockByHash";
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} else {
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func = "getBlockByNumber";
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}
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postData({call: func, args: [numberOrHash]}, function(block) {
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if(block)
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resolve(block);
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else
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reject("not found");
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});
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});
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},
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transact: function(params) {
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if(params === undefined) {
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params = {};
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}
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if(params.endowment !== undefined)
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params.value = params.endowment;
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if(params.code !== undefined)
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params.data = params.code;
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var promises = []
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if(isPromise(params.to)) {
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promises.push(params.to.then(function(_to) { params.to = _to; }));
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}
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if(isPromise(params.from)) {
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promises.push(params.from.then(function(_from) { params.from = _from; }));
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}
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if(isPromise(params.data)) {
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promises.push(params.data.then(function(_code) { params.data = _code; }));
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} else {
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if(typeof params.data === "object") {
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data = "";
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for(var i = 0; i < params.data.length; i++) {
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data += params.data[i]
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}
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} else {
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data = params.data;
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}
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}
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// Make sure everything is string
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var fields = ["value", "gas", "gasPrice"];
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for(var i = 0; i < fields.length; i++) {
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if(params[fields[i]] === undefined) {
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params[fields[i]] = "";
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}
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params[fields[i]] = params[fields[i]].toString();
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}
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// Load promises then call the last "transact".
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return Q.all(promises).then(function() {
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return new Promise(function(resolve, reject) {
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postData({call: "transact", args: params}, function(data) {
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if(data[1])
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reject(data[0]);
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else
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resolve(data[0]);
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});
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});
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})
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},
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compile: function(code) {
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return new Promise(function(resolve, reject) {
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postData({call: "compile", args: [code]}, function(data) {
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if(data[1])
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reject(data[0]);
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else
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resolve(data[0]);
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});
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});
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},
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2014-09-22 07:54:27 -05:00
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balanceAt: function(address) {
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var promises = [];
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if(isPromise(address)) {
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promises.push(address.then(function(_address) { address = _address; }));
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}
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return Q.all(promises).then(function() {
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return new Promise(function(resolve, reject) {
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postData({call: "getBalanceAt", args: [address]}, function(balance) {
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resolve(balance);
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});
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});
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});
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},
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countAt: function(address) {
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var promises = [];
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if(isPromise(address)) {
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promises.push(address.then(function(_address) { address = _address; }));
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}
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return Q.all(promises).then(function() {
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return new Promise(function(resolve, reject) {
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postData({call: "getCountAt", args: [address]}, function(count) {
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resolve(count);
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});
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});
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});
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},
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codeAt: function(address) {
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var promises = [];
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if(isPromise(address)) {
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promises.push(address.then(function(_address) { address = _address; }));
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}
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return Q.all(promises).then(function() {
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return new Promise(function(resolve, reject) {
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postData({call: "getCodeAt", args: [address]}, function(code) {
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resolve(code);
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});
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});
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});
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},
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storageAt: function(address, storageAddress) {
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var promises = [];
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if(isPromise(address)) {
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promises.push(address.then(function(_address) { address = _address; }));
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}
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if(isPromise(storageAddress)) {
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promises.push(storageAddress.then(function(_sa) { storageAddress = _sa; }));
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}
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return Q.all(promises).then(function() {
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return new Promise(function(resolve, reject) {
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postData({call: "getStorageAt", args: [address, storageAddress]}, function(entry) {
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resolve(entry);
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});
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});
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});
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},
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stateAt: function(address, storageAddress) {
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return this.storageAt(address, storageAddress);
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},
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call: function(params) {
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if(params === undefined) {
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params = {};
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}
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if(params.endowment !== undefined)
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params.value = params.endowment;
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if(params.code !== undefined)
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params.data = params.code;
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var promises = []
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if(isPromise(params.to)) {
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promises.push(params.to.then(function(_to) { params.to = _to; }));
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}
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if(isPromise(params.from)) {
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promises.push(params.from.then(function(_from) { params.from = _from; }));
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}
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if(isPromise(params.data)) {
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promises.push(params.data.then(function(_code) { params.data = _code; }));
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} else {
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if(typeof params.data === "object") {
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data = "";
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for(var i = 0; i < params.data.length; i++) {
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data += params.data[i]
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}
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} else {
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data = params.data;
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}
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}
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// Make sure everything is string
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var fields = ["value", "gas", "gasPrice"];
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for(var i = 0; i < fields.length; i++) {
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if(params[fields[i]] === undefined) {
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params[fields[i]] = "";
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}
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params[fields[i]] = params[fields[i]].toString();
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}
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// Load promises then call the last "transact".
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return Q.all(promises).then(function() {
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return new Promise(function(resolve, reject) {
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postData({call: "call", args: params}, function(data) {
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if(data[1])
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reject(data[0]);
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else
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resolve(data[0]);
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});
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});
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})
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},
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watch: function(params) {
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return new Filter(params);
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},
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secretToAddress: function(key) {
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var promises = [];
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if(isPromise(key)) {
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promises.push(key.then(function(_key) { key = _key; }));
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}
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return Q.all(promises).then(function() {
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return new Promise(function(resolve, reject) {
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postData({call: "getSecretToAddress", args: [key]}, function(address) {
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resolve(address);
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});
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});
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});
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},
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on: function(event, cb) {
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if(eth._events[event] === undefined) {
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eth._events[event] = [];
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}
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eth._events[event].push(cb);
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return this
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},
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off: function(event, cb) {
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if(eth._events[event] !== undefined) {
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var callbacks = eth._events[event];
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for(var i = 0; i < callbacks.length; i++) {
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if(callbacks[i] === cb) {
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delete callbacks[i];
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}
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}
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}
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return this
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},
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trigger: function(event, data) {
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var callbacks = eth._events[event];
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if(callbacks !== undefined) {
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for(var i = 0; i < callbacks.length; i++) {
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// Figure out whether the returned data was an array
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// array means multiple return arguments (multiple params)
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if(data instanceof Array) {
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callbacks[i].apply(this, data);
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} else {
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callbacks[i].call(this, data);
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}
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}
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}
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},
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};
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// Eth object properties
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Object.defineProperty(eth, "key", {
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get: function() {
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2014-09-19 15:42:55 -05:00
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return new Promise(function(resolve, reject) {
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postData({call: "getKey"}, function(k) {
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resolve(k);
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});
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});
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2014-09-22 07:54:27 -05:00
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},
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});
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Object.defineProperty(eth, "gasPrice", {
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get: function() {
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2014-09-23 10:56:35 -05:00
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return "10000000000000"
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2014-09-19 15:42:55 -05:00
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}
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2014-09-22 07:54:27 -05:00
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});
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Object.defineProperty(eth, "coinbase", {
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get: function() {
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return new Promise(function(resolve, reject) {
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postData({call: "getCoinBase"}, function(coinbase) {
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resolve(coinbase);
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});
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});
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},
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});
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Object.defineProperty(eth, "listening", {
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get: function() {
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return new Promise(function(resolve, reject) {
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postData({call: "getIsListening"}, function(listening) {
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resolve(listening);
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});
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});
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},
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});
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Object.defineProperty(eth, "mining", {
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get: function() {
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return new Promise(function(resolve, reject) {
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postData({call: "getIsMining"}, function(mining) {
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resolve(mining);
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});
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});
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},
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});
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Object.defineProperty(eth, "peerCount", {
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get: function() {
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return new Promise(function(resolve, reject) {
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postData({call: "getPeerCount"}, function(peerCount) {
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resolve(peerCount);
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});
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});
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},
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});
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var filters = [];
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var Filter = function(options) {
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filters.push(this);
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this.callbacks = [];
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this.options = options;
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var call;
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if(options === "chain") {
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call = "newFilterString"
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} else if(typeof options === "object") {
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call = "newFilter"
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}
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var self = this; // Cheaper than binding
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this.promise = new Promise(function(resolve, reject) {
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postData({call: call, args: [options]}, function(id) {
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self.id = id;
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resolve(id);
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});
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});
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};
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Filter.prototype.changed = function(callback) {
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var self = this;
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this.promise.then(function(id) {
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self.callbacks.push(callback);
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|
|
});
|
2014-09-19 15:42:55 -05:00
|
|
|
};
|
|
|
|
|
2014-09-22 07:54:27 -05:00
|
|
|
Filter.prototype.trigger = function(messages, id) {
|
|
|
|
if(id == this.id) {
|
|
|
|
for(var i = 0; i < this.callbacks.length; i++) {
|
|
|
|
this.callbacks[i].call(this, messages);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
Filter.prototype.uninstall = function() {
|
|
|
|
this.promise.then(function(id) {
|
|
|
|
postData({call: "uninstallFilter", args:[id]});
|
|
|
|
});
|
|
|
|
};
|
|
|
|
|
|
|
|
Filter.prototype.messages = function() {
|
|
|
|
var self=this;
|
|
|
|
return Q.all([this.promise]).then(function() {
|
|
|
|
var id = self.id
|
|
|
|
return new Promise(function(resolve, reject) {
|
|
|
|
postData({call: "getMessages", args: [id]}, function(messages) {
|
|
|
|
resolve(messages);
|
|
|
|
});
|
|
|
|
});
|
|
|
|
});
|
|
|
|
};
|
|
|
|
|
|
|
|
// Register to the messages callback. "messages" will be emitted when new messages
|
|
|
|
// from the client have been created.
|
|
|
|
eth.on("messages", function(messages, id) {
|
|
|
|
for(var i = 0; i < filters.length; i++) {
|
|
|
|
filters[i].trigger(messages, id);
|
|
|
|
}
|
|
|
|
});
|
|
|
|
|
|
|
|
var g_seed = 1;
|
2014-09-19 15:42:55 -05:00
|
|
|
function postData(data, cb) {
|
2014-09-22 07:54:27 -05:00
|
|
|
data._seed = g_seed;
|
2014-09-19 15:42:55 -05:00
|
|
|
if(cb) {
|
|
|
|
eth._callbacks[data._seed] = cb;
|
|
|
|
}
|
|
|
|
|
|
|
|
if(data.args === undefined) {
|
|
|
|
data.args = [];
|
|
|
|
}
|
|
|
|
|
2014-09-22 07:54:27 -05:00
|
|
|
g_seed++;
|
|
|
|
|
2014-09-19 15:42:55 -05:00
|
|
|
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];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
})(this);
|