plugeth/dist/ethereum.js

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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
*/
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var web3 = require('./web3');
var utils = require('./utils');
var types = require('./types');
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var c = require('./const');
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var f = require('./formatters');
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var displayTypeError = function (type) {
console.error('parser does not support type: ' + type);
};
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/// This method should be called if we want to check if givent type is an array type
/// @returns true if it is, otherwise false
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var arrayType = function (type) {
return type.slice(-2) === '[]';
};
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.
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return f.formatInputInt(value.length);
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return "";
};
var inputTypes = types.inputTypes();
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/// Formats input params to bytes
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/// @param abi contract method inputs
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/// @param array of params that will be formatted to bytes
/// @returns bytes representation of input params
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var formatInput = function (inputs, params) {
var bytes = "";
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var padding = c.ETH_PADDING * 2;
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/// first we iterate in search for dynamic
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inputs.forEach(function (input, index) {
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bytes += dynamicTypeBytes(input.type, params[index]);
});
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inputs.forEach(function (input, i) {
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var typeMatch = false;
for (var j = 0; j < inputTypes.length && !typeMatch; j++) {
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typeMatch = inputTypes[j].type(inputs[i].type, params[i]);
}
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if (!typeMatch) {
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displayTypeError(inputs[i].type);
}
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var formatter = inputTypes[j - 1].format;
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var toAppend = "";
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if (arrayType(inputs[i].type))
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toAppend = params[i].reduce(function (acc, curr) {
return acc + formatter(curr);
}, "");
else
toAppend = formatter(params[i]);
bytes += toAppend;
});
return bytes;
};
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var dynamicBytesLength = function (type) {
if (arrayType(type) || type === 'string') // only string itself that is dynamic; stringX is static length.
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return c.ETH_PADDING * 2;
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return 0;
};
var outputTypes = types.outputTypes();
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/// Formats output bytes back to param list
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/// @param contract abi method outputs
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/// @param bytes representtion of output
/// @returns array of output params
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var formatOutput = function (outs, output) {
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output = output.slice(2);
var result = [];
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var padding = c.ETH_PADDING * 2;
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var dynamicPartLength = outs.reduce(function (acc, curr) {
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return acc + dynamicBytesLength(curr.type);
}, 0);
var dynamicPart = output.slice(0, dynamicPartLength);
output = output.slice(dynamicPartLength);
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outs.forEach(function (out, i) {
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var typeMatch = false;
for (var j = 0; j < outputTypes.length && !typeMatch; j++) {
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typeMatch = outputTypes[j].type(outs[i].type);
}
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if (!typeMatch) {
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displayTypeError(outs[i].type);
}
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var formatter = outputTypes[j - 1].format;
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if (arrayType(outs[i].type)) {
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var size = f.formatOutputUInt(dynamicPart.slice(0, padding));
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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);
}
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else if (types.prefixedType('string')(outs[i].type)) {
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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;
};
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/// @param json abi for contract
/// @returns input parser object for given json abi
/// TODO: refactor creating the parser, do not double logic from contract
var inputParser = function (json) {
var parser = {};
json.forEach(function (method) {
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var displayName = utils.extractDisplayName(method.name);
var typeName = utils.extractTypeName(method.name);
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var impl = function () {
var params = Array.prototype.slice.call(arguments);
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return formatInput(method.inputs, params);
};
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if (parser[displayName] === undefined) {
parser[displayName] = impl;
}
parser[displayName][typeName] = impl;
});
return parser;
};
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/// @param json abi for contract
/// @returns output parser for given json abi
var outputParser = function (json) {
var parser = {};
json.forEach(function (method) {
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var displayName = utils.extractDisplayName(method.name);
var typeName = utils.extractTypeName(method.name);
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var impl = function (output) {
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return formatOutput(method.outputs, output);
};
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if (parser[displayName] === undefined) {
parser[displayName] = impl;
}
parser[displayName][typeName] = impl;
});
return parser;
};
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/// @param function/event name for which we want to get signature
/// @returns signature of function/event with given name
var signatureFromAscii = function (name) {
return web3.sha3(web3.fromAscii(name)).slice(0, 2 + c.ETH_SIGNATURE_LENGTH * 2);
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};
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var eventSignatureFromAscii = function (name) {
return web3.sha3(web3.fromAscii(name));
};
module.exports = {
inputParser: inputParser,
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outputParser: outputParser,
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formatInput: formatInput,
formatOutput: formatOutput,
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signatureFromAscii: signatureFromAscii,
eventSignatureFromAscii: eventSignatureFromAscii
};
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},{"./const":2,"./formatters":6,"./types":10,"./utils":11,"./web3":12}],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 const.js
* @authors:
* Marek Kotewicz <marek@ethdev.com>
* @date 2015
*/
/// required to define ETH_BIGNUMBER_ROUNDING_MODE
if ("build" !== 'build') {/*
var BigNumber = require('bignumber.js'); // jshint ignore:line
*/}
module.exports = {
ETH_PADDING: 32,
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ETH_SIGNATURE_LENGTH: 4,
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ETH_BIGNUMBER_ROUNDING_MODE: { ROUNDING_MODE: BigNumber.ROUND_DOWN }
};
},{}],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 contract.js
* @authors:
* Marek Kotewicz <marek@ethdev.com>
* @date 2014
*/
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var web3 = require('./web3');
var abi = require('./abi');
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var utils = require('./utils');
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var eventImpl = require('./event');
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var exportNatspecGlobals = function (vars) {
// it's used byt natspec.js
// TODO: figure out better way to solve this
web3._currentContractAbi = vars.abi;
web3._currentContractAddress = vars.address;
web3._currentContractMethodName = vars.method;
web3._currentContractMethodParams = vars.params;
};
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var addFunctionRelatedPropertiesToContract = function (contract) {
contract.call = function (options) {
contract._isTransact = false;
contract._options = options;
return contract;
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};
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contract.transact = function (options) {
contract._isTransact = true;
contract._options = options;
return contract;
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};
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contract._options = {};
['gas', 'gasPrice', 'value', 'from'].forEach(function(p) {
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contract[p] = function (v) {
contract._options[p] = v;
return contract;
};
});
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};
var addFunctionsToContract = function (contract, desc, address) {
var inputParser = abi.inputParser(desc);
var outputParser = abi.outputParser(desc);
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// create contract functions
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utils.filterFunctions(desc).forEach(function (method) {
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var displayName = utils.extractDisplayName(method.name);
var typeName = utils.extractTypeName(method.name);
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var impl = function () {
var params = Array.prototype.slice.call(arguments);
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var signature = abi.signatureFromAscii(method.name);
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var parsed = inputParser[displayName][typeName].apply(null, params);
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var options = contract._options || {};
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options.to = address;
options.data = signature + parsed;
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var isTransact = contract._isTransact === true || (contract._isTransact !== false && !method.constant);
var collapse = options.collapse !== false;
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// reset
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contract._options = {};
contract._isTransact = null;
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if (isTransact) {
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exportNatspecGlobals({
abi: desc,
address: address,
method: method.name,
params: params
});
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// transactions do not have any output, cause we do not know, when they will be processed
web3.eth.transact(options);
return;
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}
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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;
};
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if (contract[displayName] === undefined) {
contract[displayName] = impl;
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}
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contract[displayName][typeName] = impl;
});
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};
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var addEventRelatedPropertiesToContract = function (contract, desc, address) {
contract.address = address;
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Object.defineProperty(contract, 'topic', {
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get: function() {
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return utils.filterEvents(desc).map(function (e) {
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return abi.eventSignatureFromAscii(e.name);
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});
}
});
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};
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var addEventsToContract = function (contract, desc, address) {
// create contract events
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utils.filterEvents(desc).forEach(function (e) {
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var impl = function () {
var params = Array.prototype.slice.call(arguments);
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var signature = abi.eventSignatureFromAscii(e.name);
var event = eventImpl(address, signature, e);
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var o = event.apply(null, params);
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return web3.eth.watch(o);
};
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// this property should be used by eth.filter to check if object is an event
impl._isEvent = true;
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var displayName = utils.extractDisplayName(e.name);
var typeName = utils.extractTypeName(e.name);
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if (contract[displayName] === undefined) {
contract[displayName] = impl;
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}
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contract[displayName][typeName] = impl;
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});
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};
/**
* 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) {
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// 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.
// TODO: we may not want to modify input params, maybe use copy instead?
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desc.forEach(function (method) {
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 result = {};
addFunctionRelatedPropertiesToContract(result);
addFunctionsToContract(result, desc, address);
addEventRelatedPropertiesToContract(result, desc, address);
addEventsToContract(result, desc, address);
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return result;
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};
module.exports = contract;
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},{"./abi":1,"./event":4,"./utils":11,"./web3":12}],4:[function(require,module,exports){
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/*
This file is part of ethereum.js.
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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 event.js
* @authors:
* Marek Kotewicz <marek@ethdev.com>
* @date 2014
*/
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var abi = require('./abi');
var utils = require('./utils');
var inputWithName = function (inputs, name) {
var index = utils.findIndex(inputs, function (input) {
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return input.name === name;
});
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if (index === -1) {
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console.error('indexed param with name ' + name + ' not found');
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return undefined;
}
return inputs[index];
};
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var indexedParamsToTopics = function (event, indexed) {
// sort keys?
return Object.keys(indexed).map(function (key) {
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var inputs = [inputWithName(event.inputs, key)];
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var value = indexed[key];
if (value instanceof Array) {
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return value.map(function (v) {
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return abi.formatInput(inputs, [v]);
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});
}
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return abi.formatInput(inputs, [value]);
});
};
var implementationOfEvent = function (address, signature, event) {
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// valid options are 'earliest', 'latest', 'offset' and 'max', as defined for 'eth.watch'
return function (indexed, options) {
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var o = options || {};
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o.address = address;
o.topic = [];
o.topic.push(signature);
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if (indexed) {
o.topic = o.topic.concat(indexedParamsToTopics(event, indexed));
}
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return o;
};
};
module.exports = implementationOfEvent;
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},{"./abi":1,"./utils":11}],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/>.
*/
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/** @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
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/// should be used when we want to watch something
/// it's using inner polling mechanism and is notified about changes
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/// TODO: change 'options' name cause it may be not the best matching one, since we have events
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var Filter = function(options, impl) {
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if (typeof options !== "string") {
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// topics property is deprecated, warn about it!
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if (options.topics) {
console.warn('"topics" is deprecated, use "topic" instead');
}
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// evaluate lazy properties
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options = {
to: options.to,
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topic: options.topic,
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earliest: options.earliest,
latest: options.latest,
max: options.max,
skip: options.skip,
address: options.address
};
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}
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this.impl = impl;
this.callbacks = [];
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this.id = impl.newFilter(options);
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web3.provider.startPolling({call: impl.changed, args: [this.id]}, this.id, this.trigger.bind(this));
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};
/// 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) {
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this.callbacks.push(callback);
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};
/// trigger calling new message from people
Filter.prototype.trigger = function(messages) {
for (var i = 0; i < this.callbacks.length; i++) {
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for (var j = 0; j < messages.length; j++) {
this.callbacks[i].call(this, messages[j]);
}
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}
};
/// should be called to uninstall current filter
Filter.prototype.uninstall = function() {
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this.impl.uninstallFilter(this.id);
web3.provider.stopPolling(this.id);
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};
/// should be called to manually trigger getting latest messages from the client
Filter.prototype.messages = function() {
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return this.impl.getMessages(this.id);
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};
/// alias for messages
Filter.prototype.logs = function () {
return this.messages();
};
module.exports = Filter;
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},{"./web3":12}],6:[function(require,module,exports){
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/*
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 formatters.js
* @authors:
* Marek Kotewicz <marek@ethdev.com>
* @date 2015
*/
if ("build" !== 'build') {/*
var BigNumber = require('bignumber.js'); // jshint ignore:line
*/}
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var utils = require('./utils');
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var c = require('./const');
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/// @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;
};
/// 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) {
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var padding = c.ETH_PADDING * 2;
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if (value instanceof BigNumber || typeof value === 'number') {
if (typeof value === 'number')
value = new BigNumber(value);
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BigNumber.config(c.ETH_BIGNUMBER_ROUNDING_MODE);
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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) {
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return utils.fromAscii(value, c.ETH_PADDING).substr(2);
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};
/// 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)));
};
/// 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) {
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return utils.toAscii(value);
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};
/// @returns right-aligned input bytes formatted to address
var formatOutputAddress = function (value) {
return "0x" + value.slice(value.length - 40, value.length);
};
module.exports = {
formatInputInt: formatInputInt,
formatInputString: formatInputString,
formatInputBool: formatInputBool,
formatInputReal: formatInputReal,
formatOutputInt: formatOutputInt,
formatOutputUInt: formatOutputUInt,
formatOutputReal: formatOutputReal,
formatOutputUReal: formatOutputUReal,
formatOutputHash: formatOutputHash,
formatOutputBool: formatOutputBool,
formatOutputString: formatOutputString,
formatOutputAddress: formatOutputAddress
};
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},{"./const":2,"./utils":11}],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/>.
*/
2015-01-21 19:29:02 +00:00
/** @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
*/}
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var HttpSyncProvider = function (host) {
this.handlers = [];
this.host = host || 'http://localhost:8080';
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};
/// 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;
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},{}],8:[function(require,module,exports){
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/*
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
2015-01-14 11:01:24 +00:00
/**
* 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 () {
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if (self.provider) {
self.polls.forEach(function (data) {
data.data._id = self.id;
self.id++;
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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) {
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return;
}
data.callback(result.result);
});
}
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setTimeout(poll, 1000);
};
poll();
};
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/// sends outgoing requests
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ProviderManager.prototype.send = function(data) {
data.args = data.args || [];
data._id = this.id++;
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if (this.provider === undefined) {
console.error('provider is not set');
return null;
}
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//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
2015-01-22 16:57:26 +00:00
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;
2015-01-14 11:01:24 +00:00
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},{"./web3":12}],9:[function(require,module,exports){
2015-01-22 12:04:28 +00:00
/*
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;
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},{}],10:[function(require,module,exports){
2015-01-08 14:11:20 +00:00
/*
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 types.js
* @authors:
* Marek Kotewicz <marek@ethdev.com>
* @date 2015
*/
var f = require('./formatters');
/// @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;
};
};
/// Setups input formatters for solidity types
/// @returns an array of input formatters
var inputTypes = function () {
return [
{ type: prefixedType('uint'), format: f.formatInputInt },
{ type: prefixedType('int'), format: f.formatInputInt },
{ type: prefixedType('hash'), format: f.formatInputInt },
{ type: prefixedType('string'), format: f.formatInputString },
{ type: prefixedType('real'), format: f.formatInputReal },
{ type: prefixedType('ureal'), format: f.formatInputReal },
{ type: namedType('address'), format: f.formatInputInt },
{ type: namedType('bool'), format: f.formatInputBool }
];
};
/// Setups output formaters for solidity types
/// @returns an array of output formatters
var outputTypes = function () {
return [
{ type: prefixedType('uint'), format: f.formatOutputUInt },
{ type: prefixedType('int'), format: f.formatOutputInt },
{ type: prefixedType('hash'), format: f.formatOutputHash },
{ type: prefixedType('string'), format: f.formatOutputString },
{ type: prefixedType('real'), format: f.formatOutputReal },
{ type: prefixedType('ureal'), format: f.formatOutputUReal },
{ type: namedType('address'), format: f.formatOutputAddress },
{ type: namedType('bool'), format: f.formatOutputBool }
];
};
module.exports = {
prefixedType: prefixedType,
namedType: namedType,
inputTypes: inputTypes,
outputTypes: outputTypes
};
2015-01-31 13:05:48 +00:00
},{"./formatters":6}],11:[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 utils.js
* @authors:
* Marek Kotewicz <marek@ethdev.com>
* @date 2015
*/
/// 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;
};
2015-01-31 12:54:39 +00:00
/// @returns ascii string representation of hex value prefixed with 0x
var 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;
};
var 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 hex representation (prefixed by 0x) of ascii string
var fromAscii = function(str, pad) {
pad = pad === undefined ? 0 : pad;
var hex = toHex(str);
while (hex.length < pad*2)
hex += "00";
return "0x" + hex;
};
2015-01-31 14:22:05 +00:00
/// @returns display name for function/event eg. multiply(uint256) -> multiply
var extractDisplayName = function (name) {
var length = name.indexOf('(');
return length !== -1 ? name.substr(0, length) : name;
};
/// @returns overloaded part of function/event name
var extractTypeName = function (name) {
/// TODO: make it invulnerable
var length = name.indexOf('(');
return length !== -1 ? name.substr(length + 1, name.length - 1 - (length + 1)) : "";
};
/// Filters all function from input abi
/// @returns abi array with filtered objects of type 'function'
var filterFunctions = function (json) {
return json.filter(function (current) {
return current.type === 'function';
});
};
/// Filters all events form input abi
/// @returns abi array with filtered objects of type 'event'
var filterEvents = function (json) {
return json.filter(function (current) {
return current.type === 'event';
});
};
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module.exports = {
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findIndex: findIndex,
toAscii: toAscii,
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fromAscii: fromAscii,
extractDisplayName: extractDisplayName,
extractTypeName: extractTypeName,
filterFunctions: filterFunctions,
filterEvents: filterEvents
};
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},{}],12:[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/>.
*/
2015-01-13 17:28:49 +00:00
/** @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');
*/}
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var utils = require('./utils');
var ETH_UNITS = [
'wei',
'Kwei',
'Mwei',
'Gwei',
'szabo',
'finney',
'ether',
'grand',
'Mether',
'Gether',
'Tether',
'Pether',
'Eether',
'Zether',
'Yether',
'Nether',
'Dether',
'Vether',
'Uether'
];
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/// @returns an array of objects describing web3 api methods
var web3Methods = function () {
return [
{ name: 'sha3', call: 'web3_sha3' }
];
};
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/// @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;
};
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/// @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'}
];
};
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/// @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' }
];
};
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/// @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' }
];
};
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/// @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' }
];
};
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/// @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' },
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{ name: 'getMessages', call: 'shh_getMessages' }
];
};
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/// 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 () {
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var args = Array.prototype.slice.call(arguments);
var call = typeof method.call === 'function' ? method.call(args) : method.call;
return web3.provider.send({
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call: call,
args: args
});
};
});
};
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/// 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({
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call: property.getter
});
};
if (property.setter) {
proto.set = function (val) {
return web3.provider.send({
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call: property.setter,
args: [val]
});
};
}
Object.defineProperty(obj, property.name, proto);
});
};
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/// setups web3 object, and it's in-browser executed methods
var web3 = {
_callbacks: {},
_events: {},
providers: {},
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/// @returns ascii string representation of hex value prefixed with 0x
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toAscii: utils.toAscii,
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/// @returns hex representation (prefixed by 0x) of ascii string
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fromAscii: utils.fromAscii,
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/// @returns decimal representaton of hex value prefixed by 0x
toDecimal: function (val) {
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// remove 0x and place 0, if it's required
val = val.length > 2 ? val.substring(2) : "0";
return (new BigNumber(val, 16).toString(10));
},
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/// @returns hex representation (prefixed by 0x) of decimal value
fromDecimal: function (val) {
return "0x" + (new BigNumber(val).toString(16));
},
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/// 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];
},
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/// 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;
};
},
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/// @param filter may be a string, object or event
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/// @param indexed is optional, this is an object with optional event indexed params
/// @param options is optional, this is an object with optional event options ('max'...)
watch: function (filter, indexed, options) {
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if (filter._isEvent) {
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return filter(indexed, options);
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}
return new web3.filter(filter, ethWatch);
}
},
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/// db object prototype
db: {},
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/// shh object prototype
shh: {
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/// @param filter may be a string, object or event
watch: function (filter, indexed) {
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return new web3.filter(filter, shhWatch);
}
},
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/// @returns true if provider is installed
haveProvider: function() {
return !!web3.provider.provider;
}
};
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/// 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'
};
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setupMethods(ethWatch, ethWatchMethods());
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var shhWatch = {
changed: 'shh_changed'
};
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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;
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},{"./utils":11}],"web3":[function(require,module,exports){
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var web3 = require('./lib/web3');
var ProviderManager = require('./lib/providermanager');
web3.provider = new ProviderManager();
web3.filter = require('./lib/filter');
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web3.providers.HttpSyncProvider = require('./lib/httpsync');
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web3.providers.QtSyncProvider = require('./lib/qtsync');
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web3.eth.contract = require('./lib/contract');
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web3.abi = require('./lib/abi');
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module.exports = web3;
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},{"./lib/abi":1,"./lib/contract":3,"./lib/filter":5,"./lib/httpsync":7,"./lib/providermanager":8,"./lib/qtsync":9,"./lib/web3":12}]},{},["web3"])
//# sourceMappingURL=ethereum.js.map