aboutsummaryrefslogtreecommitdiffstats
path: root/cmd/mist/assets/ext/dist/ethereum.js
diff options
context:
space:
mode:
Diffstat (limited to 'cmd/mist/assets/ext/dist/ethereum.js')
-rw-r--r--cmd/mist/assets/ext/dist/ethereum.js1198
1 files changed, 1198 insertions, 0 deletions
diff --git a/cmd/mist/assets/ext/dist/ethereum.js b/cmd/mist/assets/ext/dist/ethereum.js
new file mode 100644
index 000000000..7e7be6d9d
--- /dev/null
+++ b/cmd/mist/assets/ext/dist/ethereum.js
@@ -0,0 +1,1198 @@
+require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+/*
+ This file is part of ethereum.js.
+
+ ethereum.js is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ ethereum.js is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file abi.js
+ * @authors:
+ * Marek Kotewicz <marek@ethdev.com>
+ * Gav Wood <g@ethdev.com>
+ * @date 2014
+ */
+
+// TODO: is these line is supposed to be here?
+if ("build" !== 'build') {/*
+ var BigNumber = require('bignumber.js'); // jshint ignore:line
+*/}
+
+var web3 = require('./web3'); // jshint ignore:line
+
+BigNumber.config({ ROUNDING_MODE: BigNumber.ROUND_DOWN });
+
+var ETH_PADDING = 32;
+
+/// method signature length in bytes
+var ETH_METHOD_SIGNATURE_LENGTH = 4;
+
+/// Finds first index of array element matching pattern
+/// @param array
+/// @param callback pattern
+/// @returns index of element
+var findIndex = function (array, callback) {
+ var end = false;
+ var i = 0;
+ for (; i < array.length && !end; i++) {
+ end = callback(array[i]);
+ }
+ return end ? i - 1 : -1;
+};
+
+/// @returns a function that is used as a pattern for 'findIndex'
+var findMethodIndex = function (json, methodName) {
+ return findIndex(json, function (method) {
+ return method.name === methodName;
+ });
+};
+
+/// @returns method with given method name
+var getMethodWithName = function (json, methodName) {
+ var index = findMethodIndex(json, methodName);
+ if (index === -1) {
+ console.error('method ' + methodName + ' not found in the abi');
+ return undefined;
+ }
+ return json[index];
+};
+
+/// @param string string to be padded
+/// @param number of characters that result string should have
+/// @param sign, by default 0
+/// @returns right aligned string
+var padLeft = function (string, chars, sign) {
+ return new Array(chars - string.length + 1).join(sign ? sign : "0") + string;
+};
+
+/// @param expected type prefix (string)
+/// @returns function which checks if type has matching prefix. if yes, returns true, otherwise false
+var prefixedType = function (prefix) {
+ return function (type) {
+ return type.indexOf(prefix) === 0;
+ };
+};
+
+/// @param expected type name (string)
+/// @returns function which checks if type is matching expected one. if yes, returns true, otherwise false
+var namedType = function (name) {
+ return function (type) {
+ return name === type;
+ };
+};
+
+var arrayType = function (type) {
+ return type.slice(-2) === '[]';
+};
+
+/// Formats input value to byte representation of int
+/// If value is negative, return it's two's complement
+/// If the value is floating point, round it down
+/// @returns right-aligned byte representation of int
+var formatInputInt = function (value) {
+ var padding = ETH_PADDING * 2;
+ if (value instanceof BigNumber || typeof value === 'number') {
+ if (typeof value === 'number')
+ value = new BigNumber(value);
+ value = value.round();
+
+ if (value.lessThan(0))
+ value = new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(value).plus(1);
+ value = value.toString(16);
+ }
+ else if (value.indexOf('0x') === 0)
+ value = value.substr(2);
+ else if (typeof value === 'string')
+ value = formatInputInt(new BigNumber(value));
+ else
+ value = (+value).toString(16);
+ return padLeft(value, padding);
+};
+
+/// Formats input value to byte representation of string
+/// @returns left-algined byte representation of string
+var formatInputString = function (value) {
+ return web3.fromAscii(value, ETH_PADDING).substr(2);
+};
+
+/// Formats input value to byte representation of bool
+/// @returns right-aligned byte representation bool
+var formatInputBool = function (value) {
+ return '000000000000000000000000000000000000000000000000000000000000000' + (value ? '1' : '0');
+};
+
+/// Formats input value to byte representation of real
+/// Values are multiplied by 2^m and encoded as integers
+/// @returns byte representation of real
+var formatInputReal = function (value) {
+ return formatInputInt(new BigNumber(value).times(new BigNumber(2).pow(128)));
+};
+
+var dynamicTypeBytes = function (type, value) {
+ // TODO: decide what to do with array of strings
+ if (arrayType(type) || type === 'string') // only string itself that is dynamic; stringX is static length.
+ return formatInputInt(value.length);
+ return "";
+};
+
+/// Setups input formatters for solidity types
+/// @returns an array of input formatters
+var setupInputTypes = function () {
+
+ return [
+ { type: prefixedType('uint'), format: formatInputInt },
+ { type: prefixedType('int'), format: formatInputInt },
+ { type: prefixedType('hash'), format: formatInputInt },
+ { type: prefixedType('string'), format: formatInputString },
+ { type: prefixedType('real'), format: formatInputReal },
+ { type: prefixedType('ureal'), format: formatInputReal },
+ { type: namedType('address'), format: formatInputInt },
+ { type: namedType('bool'), format: formatInputBool }
+ ];
+};
+
+var inputTypes = setupInputTypes();
+
+/// Formats input params to bytes
+/// @param contract json abi
+/// @param name of the method that we want to use
+/// @param array of params that will be formatted to bytes
+/// @returns bytes representation of input params
+var toAbiInput = function (json, methodName, params) {
+ var bytes = "";
+
+ var method = getMethodWithName(json, methodName);
+ var padding = ETH_PADDING * 2;
+
+ /// first we iterate in search for dynamic
+ method.inputs.forEach(function (input, index) {
+ bytes += dynamicTypeBytes(input.type, params[index]);
+ });
+
+ method.inputs.forEach(function (input, i) {
+ var typeMatch = false;
+ for (var j = 0; j < inputTypes.length && !typeMatch; j++) {
+ typeMatch = inputTypes[j].type(method.inputs[i].type, params[i]);
+ }
+ if (!typeMatch) {
+ console.error('input parser does not support type: ' + method.inputs[i].type);
+ }
+
+ var formatter = inputTypes[j - 1].format;
+ var toAppend = "";
+
+ if (arrayType(method.inputs[i].type))
+ toAppend = params[i].reduce(function (acc, curr) {
+ return acc + formatter(curr);
+ }, "");
+ else
+ toAppend = formatter(params[i]);
+
+ bytes += toAppend;
+ });
+ return bytes;
+};
+
+/// Check if input value is negative
+/// @param value is hex format
+/// @returns true if it is negative, otherwise false
+var signedIsNegative = function (value) {
+ return (new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1)) === '1';
+};
+
+/// Formats input right-aligned input bytes to int
+/// @returns right-aligned input bytes formatted to int
+var formatOutputInt = function (value) {
+ value = value || "0";
+ // check if it's negative number
+ // it it is, return two's complement
+ if (signedIsNegative(value)) {
+ return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);
+ }
+ return new BigNumber(value, 16);
+};
+
+/// Formats big right-aligned input bytes to uint
+/// @returns right-aligned input bytes formatted to uint
+var formatOutputUInt = function (value) {
+ value = value || "0";
+ return new BigNumber(value, 16);
+};
+
+/// @returns input bytes formatted to real
+var formatOutputReal = function (value) {
+ return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128));
+};
+
+/// @returns input bytes formatted to ureal
+var formatOutputUReal = function (value) {
+ return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128));
+};
+
+/// @returns right-aligned input bytes formatted to hex
+var formatOutputHash = function (value) {
+ return "0x" + value;
+};
+
+/// @returns right-aligned input bytes formatted to bool
+var formatOutputBool = function (value) {
+ return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;
+};
+
+/// @returns left-aligned input bytes formatted to ascii string
+var formatOutputString = function (value) {
+ return web3.toAscii(value);
+};
+
+/// @returns right-aligned input bytes formatted to address
+var formatOutputAddress = function (value) {
+ return "0x" + value.slice(value.length - 40, value.length);
+};
+
+var dynamicBytesLength = function (type) {
+ if (arrayType(type) || type === 'string') // only string itself that is dynamic; stringX is static length.
+ return ETH_PADDING * 2;
+ return 0;
+};
+
+/// Setups output formaters for solidity types
+/// @returns an array of output formatters
+var setupOutputTypes = function () {
+
+ return [
+ { type: prefixedType('uint'), format: formatOutputUInt },
+ { type: prefixedType('int'), format: formatOutputInt },
+ { type: prefixedType('hash'), format: formatOutputHash },
+ { type: prefixedType('string'), format: formatOutputString },
+ { type: prefixedType('real'), format: formatOutputReal },
+ { type: prefixedType('ureal'), format: formatOutputUReal },
+ { type: namedType('address'), format: formatOutputAddress },
+ { type: namedType('bool'), format: formatOutputBool }
+ ];
+};
+
+var outputTypes = setupOutputTypes();
+
+/// Formats output bytes back to param list
+/// @param contract json abi
+/// @param name of the method that we want to use
+/// @param bytes representtion of output
+/// @returns array of output params
+var fromAbiOutput = function (json, methodName, output) {
+
+ output = output.slice(2);
+ var result = [];
+ var method = getMethodWithName(json, methodName);
+ var padding = ETH_PADDING * 2;
+
+ var dynamicPartLength = method.outputs.reduce(function (acc, curr) {
+ return acc + dynamicBytesLength(curr.type);
+ }, 0);
+
+ var dynamicPart = output.slice(0, dynamicPartLength);
+ output = output.slice(dynamicPartLength);
+
+ method.outputs.forEach(function (out, i) {
+ var typeMatch = false;
+ for (var j = 0; j < outputTypes.length && !typeMatch; j++) {
+ typeMatch = outputTypes[j].type(method.outputs[i].type);
+ }
+
+ if (!typeMatch) {
+ console.error('output parser does not support type: ' + method.outputs[i].type);
+ }
+
+ var formatter = outputTypes[j - 1].format;
+ if (arrayType(method.outputs[i].type)) {
+ var size = formatOutputUInt(dynamicPart.slice(0, padding));
+ dynamicPart = dynamicPart.slice(padding);
+ var array = [];
+ for (var k = 0; k < size; k++) {
+ array.push(formatter(output.slice(0, padding)));
+ output = output.slice(padding);
+ }
+ result.push(array);
+ }
+ else if (prefixedType('string')(method.outputs[i].type)) {
+ dynamicPart = dynamicPart.slice(padding);
+ result.push(formatter(output.slice(0, padding)));
+ output = output.slice(padding);
+ } else {
+ result.push(formatter(output.slice(0, padding)));
+ output = output.slice(padding);
+ }
+ });
+
+ return result;
+};
+
+/// @returns display name for method eg. multiply(uint256) -> multiply
+var methodDisplayName = function (method) {
+ var length = method.indexOf('(');
+ return length !== -1 ? method.substr(0, length) : method;
+};
+
+/// @returns overloaded part of method's name
+var methodTypeName = function (method) {
+ /// TODO: make it not vulnerable
+ var length = method.indexOf('(');
+ return length !== -1 ? method.substr(length + 1, method.length - 1 - (length + 1)) : "";
+};
+
+/// @param json abi for contract
+/// @returns input parser object for given json abi
+var inputParser = function (json) {
+ var parser = {};
+ json.forEach(function (method) {
+ var displayName = methodDisplayName(method.name);
+ var typeName = methodTypeName(method.name);
+
+ var impl = function () {
+ var params = Array.prototype.slice.call(arguments);
+ return toAbiInput(json, method.name, params);
+ };
+
+ if (parser[displayName] === undefined) {
+ parser[displayName] = impl;
+ }
+
+ parser[displayName][typeName] = impl;
+ });
+
+ return parser;
+};
+
+/// @param json abi for contract
+/// @returns output parser for given json abi
+var outputParser = function (json) {
+ var parser = {};
+ json.forEach(function (method) {
+
+ var displayName = methodDisplayName(method.name);
+ var typeName = methodTypeName(method.name);
+
+ var impl = function (output) {
+ return fromAbiOutput(json, method.name, output);
+ };
+
+ if (parser[displayName] === undefined) {
+ parser[displayName] = impl;
+ }
+
+ parser[displayName][typeName] = impl;
+ });
+
+ return parser;
+};
+
+/// @param method name for which we want to get method signature
+/// @returns (promise) contract method signature for method with given name
+var methodSignature = function (name) {
+ return web3.sha3(web3.fromAscii(name)).slice(0, 2 + ETH_METHOD_SIGNATURE_LENGTH * 2);
+};
+
+module.exports = {
+ inputParser: inputParser,
+ outputParser: outputParser,
+ methodSignature: methodSignature,
+ methodDisplayName: methodDisplayName,
+ methodTypeName: methodTypeName,
+ getMethodWithName: getMethodWithName
+};
+
+
+},{"./web3":7}],2:[function(require,module,exports){
+/*
+ This file is part of ethereum.js.
+
+ ethereum.js is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ ethereum.js is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file contract.js
+ * @authors:
+ * Marek Kotewicz <marek@ethdev.com>
+ * @date 2014
+ */
+
+var web3 = require('./web3'); // jshint ignore:line
+var abi = require('./abi');
+
+/**
+ * This method should be called when we want to call / transact some solidity method from javascript
+ * it returns an object which has same methods available as solidity contract description
+ * usage example:
+ *
+ * var abi = [{
+ * name: 'myMethod',
+ * inputs: [{ name: 'a', type: 'string' }],
+ * outputs: [{name: 'd', type: 'string' }]
+ * }]; // contract abi
+ *
+ * var myContract = web3.eth.contract('0x0123123121', abi); // creation of contract object
+ *
+ * myContract.myMethod('this is test string param for call'); // myMethod call (implicit, default)
+ * myContract.call().myMethod('this is test string param for call'); // myMethod call (explicit)
+ * myContract.transact().myMethod('this is test string param for transact'); // myMethod transact
+ *
+ * @param address - address of the contract, which should be called
+ * @param desc - abi json description of the contract, which is being created
+ * @returns contract object
+ */
+
+var contract = function (address, desc) {
+
+ desc.forEach(function (method) {
+ // workaround for invalid assumption that method.name is the full anonymous prototype of the method.
+ // it's not. it's just the name. the rest of the code assumes it's actually the anonymous
+ // prototype, so we make it so as a workaround.
+ if (method.name.indexOf('(') === -1) {
+ var displayName = method.name;
+ var typeName = method.inputs.map(function(i){return i.type; }).join();
+ method.name = displayName + '(' + typeName + ')';
+ }
+ });
+
+ var inputParser = abi.inputParser(desc);
+ var outputParser = abi.outputParser(desc);
+
+ var result = {};
+
+ result.call = function (options) {
+ result._isTransact = false;
+ result._options = options;
+ return result;
+ };
+
+ result.transact = function (options) {
+ result._isTransact = true;
+ result._options = options;
+ return result;
+ };
+
+ result._options = {};
+ ['gas', 'gasPrice', 'value', 'from'].forEach(function(p) {
+ result[p] = function (v) {
+ result._options[p] = v;
+ return result;
+ };
+ });
+
+
+ desc.forEach(function (method) {
+
+ var displayName = abi.methodDisplayName(method.name);
+ var typeName = abi.methodTypeName(method.name);
+
+ var impl = function () {
+ var params = Array.prototype.slice.call(arguments);
+ var signature = abi.methodSignature(method.name);
+ var parsed = inputParser[displayName][typeName].apply(null, params);
+
+ var options = result._options || {};
+ options.to = address;
+ options.data = signature + parsed;
+
+ var isTransact = result._isTransact === true || (result._isTransact !== false && !method.constant);
+ var collapse = options.collapse !== false;
+
+ // reset
+ result._options = {};
+ result._isTransact = null;
+
+ if (isTransact) {
+ // it's used byt natspec.js
+ // TODO: figure out better way to solve this
+ web3._currentContractAbi = desc;
+ web3._currentContractAddress = address;
+ web3._currentContractMethodName = method.name;
+ web3._currentContractMethodParams = params;
+
+ // transactions do not have any output, cause we do not know, when they will be processed
+ web3.eth.transact(options);
+ return;
+ }
+
+ var output = web3.eth.call(options);
+ var ret = outputParser[displayName][typeName](output);
+ if (collapse)
+ {
+ if (ret.length === 1)
+ ret = ret[0];
+ else if (ret.length === 0)
+ ret = null;
+ }
+ return ret;
+ };
+
+ if (result[displayName] === undefined) {
+ result[displayName] = impl;
+ }
+
+ result[displayName][typeName] = impl;
+
+ });
+
+ return result;
+};
+
+module.exports = contract;
+
+
+},{"./abi":1,"./web3":7}],3:[function(require,module,exports){
+/*
+ This file is part of ethereum.js.
+
+ ethereum.js is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ ethereum.js is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file filter.js
+ * @authors:
+ * Jeffrey Wilcke <jeff@ethdev.com>
+ * Marek Kotewicz <marek@ethdev.com>
+ * Marian Oancea <marian@ethdev.com>
+ * Gav Wood <g@ethdev.com>
+ * @date 2014
+ */
+
+var web3 = require('./web3'); // jshint ignore:line
+
+/// should be used when we want to watch something
+/// it's using inner polling mechanism and is notified about changes
+var Filter = function(options, impl) {
+ this.impl = impl;
+ this.callbacks = [];
+
+ this.id = impl.newFilter(options);
+ web3.provider.startPolling({call: impl.changed, args: [this.id]}, this.id, this.trigger.bind(this));
+};
+
+/// alias for changed*
+Filter.prototype.arrived = function(callback) {
+ this.changed(callback);
+};
+
+/// gets called when there is new eth/shh message
+Filter.prototype.changed = function(callback) {
+ this.callbacks.push(callback);
+};
+
+/// trigger calling new message from people
+Filter.prototype.trigger = function(messages) {
+ for (var i = 0; i < this.callbacks.length; i++) {
+ for (var j = 0; j < messages.length; j++) {
+ this.callbacks[i].call(this, messages[j]);
+ }
+ }
+};
+
+/// should be called to uninstall current filter
+Filter.prototype.uninstall = function() {
+ this.impl.uninstallFilter(this.id);
+ web3.provider.stopPolling(this.id);
+};
+
+/// should be called to manually trigger getting latest messages from the client
+Filter.prototype.messages = function() {
+ return this.impl.getMessages(this.id);
+};
+
+/// alias for messages
+Filter.prototype.logs = function () {
+ return this.messages();
+};
+
+module.exports = Filter;
+
+},{"./web3":7}],4:[function(require,module,exports){
+/*
+ This file is part of ethereum.js.
+
+ ethereum.js is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ ethereum.js is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file httpsync.js
+ * @authors:
+ * Marek Kotewicz <marek@ethdev.com>
+ * Marian Oancea <marian@ethdev.com>
+ * @date 2014
+ */
+
+if ("build" !== 'build') {/*
+ var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest; // jshint ignore:line
+*/}
+
+var HttpSyncProvider = function (host) {
+ this.handlers = [];
+ this.host = host || 'http://localhost:8080';
+};
+
+/// Transforms inner message to proper jsonrpc object
+/// @param inner message object
+/// @returns jsonrpc object
+function formatJsonRpcObject(object) {
+ return {
+ jsonrpc: '2.0',
+ method: object.call,
+ params: object.args,
+ id: object._id
+ };
+}
+
+/// Transforms jsonrpc object to inner message
+/// @param incoming jsonrpc message
+/// @returns inner message object
+function formatJsonRpcMessage(message) {
+ var object = JSON.parse(message);
+
+ return {
+ _id: object.id,
+ data: object.result,
+ error: object.error
+ };
+}
+
+HttpSyncProvider.prototype.send = function (payload) {
+ var data = formatJsonRpcObject(payload);
+
+ var request = new XMLHttpRequest();
+ request.open('POST', this.host, false);
+ request.send(JSON.stringify(data));
+
+ // check request.status
+ return request.responseText;
+};
+
+module.exports = HttpSyncProvider;
+
+
+},{}],5:[function(require,module,exports){
+/*
+ This file is part of ethereum.js.
+
+ ethereum.js is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ ethereum.js is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file providermanager.js
+ * @authors:
+ * Jeffrey Wilcke <jeff@ethdev.com>
+ * Marek Kotewicz <marek@ethdev.com>
+ * Marian Oancea <marian@ethdev.com>
+ * Gav Wood <g@ethdev.com>
+ * @date 2014
+ */
+
+var web3 = require('./web3'); // jshint ignore:line
+
+/**
+ * Provider manager object prototype
+ * It's responsible for passing messages to providers
+ * If no provider is set it's responsible for queuing requests
+ * It's also responsible for polling the ethereum node for incoming messages
+ * Default poll timeout is 12 seconds
+ * If we are running ethereum.js inside ethereum browser, there are backend based tools responsible for polling,
+ * and provider manager polling mechanism is not used
+ */
+var ProviderManager = function() {
+ this.polls = [];
+ this.provider = undefined;
+ this.id = 1;
+
+ var self = this;
+ var poll = function () {
+ if (self.provider) {
+ self.polls.forEach(function (data) {
+ data.data._id = self.id;
+ self.id++;
+ var result = self.provider.send(data.data);
+
+ result = JSON.parse(result);
+
+ // dont call the callback if result is not an array, or empty one
+ if (result.error || !(result.result instanceof Array) || result.result.length === 0) {
+ return;
+ }
+
+ data.callback(result.result);
+ });
+ }
+ setTimeout(poll, 1000);
+ };
+ poll();
+};
+
+/// sends outgoing requests
+ProviderManager.prototype.send = function(data) {
+
+ data.args = data.args || [];
+ data._id = this.id++;
+
+ if (this.provider === undefined) {
+ console.error('provider is not set');
+ return null;
+ }
+
+ //TODO: handle error here?
+ var result = this.provider.send(data);
+ result = JSON.parse(result);
+
+ if (result.error) {
+ console.log(result.error);
+ return null;
+ }
+
+ return result.result;
+};
+
+/// setups provider, which will be used for sending messages
+ProviderManager.prototype.set = function(provider) {
+ this.provider = provider;
+};
+
+/// this method is only used, when we do not have native qt bindings and have to do polling on our own
+/// should be callled, on start watching for eth/shh changes
+ProviderManager.prototype.startPolling = function (data, pollId, callback) {
+ this.polls.push({data: data, id: pollId, callback: callback});
+};
+
+/// should be called to stop polling for certain watch changes
+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);
+ }
+ }
+};
+
+module.exports = ProviderManager;
+
+
+},{"./web3":7}],6:[function(require,module,exports){
+/*
+ This file is part of ethereum.js.
+
+ ethereum.js is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ ethereum.js is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file qtsync.js
+ * @authors:
+ * Marek Kotewicz <marek@ethdev.com>
+ * Marian Oancea <marian@ethdev.com>
+ * @date 2014
+ */
+
+var QtSyncProvider = function () {
+};
+
+QtSyncProvider.prototype.send = function (payload) {
+ return navigator.qt.callMethod(JSON.stringify(payload));
+};
+
+module.exports = QtSyncProvider;
+
+
+},{}],7:[function(require,module,exports){
+/*
+ This file is part of ethereum.js.
+
+ ethereum.js is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ ethereum.js is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file web3.js
+ * @authors:
+ * Jeffrey Wilcke <jeff@ethdev.com>
+ * Marek Kotewicz <marek@ethdev.com>
+ * Marian Oancea <marian@ethdev.com>
+ * Gav Wood <g@ethdev.com>
+ * @date 2014
+ */
+
+if ("build" !== 'build') {/*
+ var BigNumber = require('bignumber.js');
+*/}
+
+var ETH_UNITS = [
+ 'wei',
+ 'Kwei',
+ 'Mwei',
+ 'Gwei',
+ 'szabo',
+ 'finney',
+ 'ether',
+ 'grand',
+ 'Mether',
+ 'Gether',
+ 'Tether',
+ 'Pether',
+ 'Eether',
+ 'Zether',
+ 'Yether',
+ 'Nether',
+ 'Dether',
+ 'Vether',
+ 'Uether'
+];
+
+/// @returns an array of objects describing web3 api methods
+var web3Methods = function () {
+ return [
+ { name: 'sha3', call: 'web3_sha3' }
+ ];
+};
+
+/// @returns an array of objects describing web3.eth api methods
+var ethMethods = function () {
+ var blockCall = function (args) {
+ return typeof args[0] === "string" ? "eth_blockByHash" : "eth_blockByNumber";
+ };
+
+ var transactionCall = function (args) {
+ return typeof args[0] === "string" ? 'eth_transactionByHash' : 'eth_transactionByNumber';
+ };
+
+ var uncleCall = function (args) {
+ return typeof args[0] === "string" ? 'eth_uncleByHash' : 'eth_uncleByNumber';
+ };
+
+ var methods = [
+ { name: 'balanceAt', call: 'eth_balanceAt' },
+ { name: 'stateAt', call: 'eth_stateAt' },
+ { name: 'storageAt', call: 'eth_storageAt' },
+ { name: 'countAt', call: 'eth_countAt'},
+ { name: 'codeAt', call: 'eth_codeAt' },
+ { name: 'transact', call: 'eth_transact' },
+ { name: 'call', call: 'eth_call' },
+ { name: 'block', call: blockCall },
+ { name: 'transaction', call: transactionCall },
+ { name: 'uncle', call: uncleCall },
+ { name: 'compilers', call: 'eth_compilers' },
+ { name: 'flush', call: 'eth_flush' },
+ { name: 'lll', call: 'eth_lll' },
+ { name: 'solidity', call: 'eth_solidity' },
+ { name: 'serpent', call: 'eth_serpent' },
+ { name: 'logs', call: 'eth_logs' }
+ ];
+ return methods;
+};
+
+/// @returns an array of objects describing web3.eth api properties
+var ethProperties = function () {
+ return [
+ { name: 'coinbase', getter: 'eth_coinbase', setter: 'eth_setCoinbase' },
+ { name: 'listening', getter: 'eth_listening', setter: 'eth_setListening' },
+ { name: 'mining', getter: 'eth_mining', setter: 'eth_setMining' },
+ { name: 'gasPrice', getter: 'eth_gasPrice' },
+ { name: 'accounts', getter: 'eth_accounts' },
+ { name: 'peerCount', getter: 'eth_peerCount' },
+ { name: 'defaultBlock', getter: 'eth_defaultBlock', setter: 'eth_setDefaultBlock' },
+ { name: 'number', getter: 'eth_number'}
+ ];
+};
+
+/// @returns an array of objects describing web3.db api methods
+var dbMethods = function () {
+ return [
+ { name: 'put', call: 'db_put' },
+ { name: 'get', call: 'db_get' },
+ { name: 'putString', call: 'db_putString' },
+ { name: 'getString', call: 'db_getString' }
+ ];
+};
+
+/// @returns an array of objects describing web3.shh api methods
+var shhMethods = function () {
+ return [
+ { name: 'post', call: 'shh_post' },
+ { name: 'newIdentity', call: 'shh_newIdentity' },
+ { name: 'haveIdentity', call: 'shh_haveIdentity' },
+ { name: 'newGroup', call: 'shh_newGroup' },
+ { name: 'addToGroup', call: 'shh_addToGroup' }
+ ];
+};
+
+/// @returns an array of objects describing web3.eth.watch api methods
+var ethWatchMethods = function () {
+ var newFilter = function (args) {
+ return typeof args[0] === 'string' ? 'eth_newFilterString' : 'eth_newFilter';
+ };
+
+ return [
+ { name: 'newFilter', call: newFilter },
+ { name: 'uninstallFilter', call: 'eth_uninstallFilter' },
+ { name: 'getMessages', call: 'eth_filterLogs' }
+ ];
+};
+
+/// @returns an array of objects describing web3.shh.watch api methods
+var shhWatchMethods = function () {
+ return [
+ { name: 'newFilter', call: 'shh_newFilter' },
+ { name: 'uninstallFilter', call: 'shh_uninstallFilter' },
+ { name: 'getMessages', call: 'shh_getMessages' }
+ ];
+};
+
+/// creates methods in a given object based on method description on input
+/// setups api calls for these methods
+var setupMethods = function (obj, methods) {
+ methods.forEach(function (method) {
+ obj[method.name] = function () {
+ var args = Array.prototype.slice.call(arguments);
+ var call = typeof method.call === 'function' ? method.call(args) : method.call;
+ return web3.provider.send({
+ call: call,
+ args: args
+ });
+ };
+ });
+};
+
+/// creates properties in a given object based on properties description on input
+/// setups api calls for these properties
+var setupProperties = function (obj, properties) {
+ properties.forEach(function (property) {
+ var proto = {};
+ proto.get = function () {
+ return web3.provider.send({
+ call: property.getter
+ });
+ };
+
+ if (property.setter) {
+ proto.set = function (val) {
+ return web3.provider.send({
+ call: property.setter,
+ args: [val]
+ });
+ };
+ }
+ Object.defineProperty(obj, property.name, proto);
+ });
+};
+
+/// setups web3 object, and it's in-browser executed methods
+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;
+ },
+
+ /// @returns ascii string representation of hex value prefixed with 0x
+ toAscii: function(hex) {
+ // Find termination
+ var str = "";
+ var i = 0, l = hex.length;
+ if (hex.substring(0, 2) === '0x')
+ i = 2;
+ for(; i < l; i+=2) {
+ var code = parseInt(hex.substr(i, 2), 16);
+ if(code === 0) {
+ break;
+ }
+
+ str += String.fromCharCode(code);
+ }
+
+ return str;
+ },
+
+ /// @returns hex representation (prefixed by 0x) of ascii string
+ fromAscii: function(str, pad) {
+ pad = pad === undefined ? 0 : pad;
+ var hex = this.toHex(str);
+ while(hex.length < pad*2)
+ hex += "00";
+ return "0x" + hex;
+ },
+
+ /// @returns decimal representaton of hex value prefixed by 0x
+ toDecimal: function (val) {
+ // remove 0x and place 0, if it's required
+ val = val.length > 2 ? val.substring(2) : "0";
+ return (new BigNumber(val, 16).toString(10));
+ },
+
+ /// @returns hex representation (prefixed by 0x) of decimal value
+ fromDecimal: function (val) {
+ return "0x" + (new BigNumber(val).toString(16));
+ },
+
+ /// used to transform value/string to eth string
+ /// TODO: use BigNumber.js to parse int
+ toEth: function(str) {
+ var val = typeof str === "string" ? str.indexOf('0x') === 0 ? parseInt(str.substr(2), 16) : parseInt(str) : str;
+ var unit = 0;
+ var units = ETH_UNITS;
+ while (val > 3000 && unit < units.length - 1)
+ {
+ val /= 1000;
+ unit++;
+ }
+ var s = val.toString().length < val.toFixed(2).length ? val.toString() : val.toFixed(2);
+ var replaceFunction = function($0, $1, $2) {
+ return $1 + ',' + $2;
+ };
+
+ while (true) {
+ var o = s;
+ s = s.replace(/(\d)(\d\d\d[\.\,])/, replaceFunction);
+ if (o === s)
+ break;
+ }
+ return s + ' ' + units[unit];
+ },
+
+ /// eth object prototype
+ eth: {
+ contractFromAbi: function (abi) {
+ return function(addr) {
+ // Default to address of Config. TODO: rremove prior to genesis.
+ addr = addr || '0xc6d9d2cd449a754c494264e1809c50e34d64562b';
+ var ret = web3.eth.contract(addr, abi);
+ ret.address = addr;
+ return ret;
+ };
+ },
+ watch: function (params) {
+ return new web3.filter(params, ethWatch);
+ }
+ },
+
+ /// db object prototype
+ db: {},
+
+ /// shh object prototype
+ shh: {
+ watch: function (params) {
+ return new web3.filter(params, shhWatch);
+ }
+ },
+
+ /// @returns true if provider is installed
+ haveProvider: function() {
+ return !!web3.provider.provider;
+ }
+};
+
+/// setups all api methods
+setupMethods(web3, web3Methods());
+setupMethods(web3.eth, ethMethods());
+setupProperties(web3.eth, ethProperties());
+setupMethods(web3.db, dbMethods());
+setupMethods(web3.shh, shhMethods());
+
+var ethWatch = {
+ changed: 'eth_changed'
+};
+
+setupMethods(ethWatch, ethWatchMethods());
+
+var shhWatch = {
+ changed: 'shh_changed'
+};
+
+setupMethods(shhWatch, shhWatchMethods());
+
+web3.setProvider = function(provider) {
+ //provider.onmessage = messageHandler; // there will be no async calls, to remove
+ web3.provider.set(provider);
+};
+
+module.exports = web3;
+
+
+},{}],"web3":[function(require,module,exports){
+var web3 = require('./lib/web3');
+var ProviderManager = require('./lib/providermanager');
+web3.provider = new ProviderManager();
+web3.filter = require('./lib/filter');
+web3.providers.HttpSyncProvider = require('./lib/httpsync');
+web3.providers.QtSyncProvider = require('./lib/qtsync');
+web3.eth.contract = require('./lib/contract');
+web3.abi = require('./lib/abi');
+
+
+module.exports = web3;
+
+},{"./lib/abi":1,"./lib/contract":2,"./lib/filter":3,"./lib/httpsync":4,"./lib/providermanager":5,"./lib/qtsync":6,"./lib/web3":7}]},{},["web3"])
+
+
+//# sourceMappingURL=ethereum.js.map \ No newline at end of file
generated by cgit (git 2.34.1) at 2024-11-16 02:50:02 +0800