diff options
Diffstat (limited to 'cmd/mist/assets/ext/ethereum.js/lib/contract.js')
-rw-r--r-- | cmd/mist/assets/ext/ethereum.js/lib/contract.js | 212 |
1 files changed, 142 insertions, 70 deletions
diff --git a/cmd/mist/assets/ext/ethereum.js/lib/contract.js b/cmd/mist/assets/ext/ethereum.js/lib/contract.js index e71734d0b..a0525bd9d 100644 --- a/cmd/mist/assets/ext/ethereum.js/lib/contract.js +++ b/cmd/mist/assets/ext/ethereum.js/lib/contract.js @@ -20,98 +20,78 @@ * @date 2014 */ -var web3 = require('./web3'); // jshint ignore:line +var web3 = require('./web3'); var abi = require('./abi'); +var utils = require('./utils'); +var eventImpl = require('./event'); + +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; +}; -/** - * 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; +var addFunctionRelatedPropertiesToContract = function (contract) { + + contract.call = function (options) { + contract._isTransact = false; + contract._options = options; + return contract; }; - result.transact = function (options) { - result._isTransact = true; - result._options = options; - return result; + contract.transact = function (options) { + contract._isTransact = true; + contract._options = options; + return contract; }; - result._options = {}; + contract._options = {}; ['gas', 'gasPrice', 'value', 'from'].forEach(function(p) { - result[p] = function (v) { - result._options[p] = v; - return result; + contract[p] = function (v) { + contract._options[p] = v; + return contract; }; }); +}; - desc.forEach(function (method) { +var addFunctionsToContract = function (contract, desc, address) { + var inputParser = abi.inputParser(desc); + var outputParser = abi.outputParser(desc); - var displayName = abi.methodDisplayName(method.name); - var typeName = abi.methodTypeName(method.name); + // create contract functions + utils.filterFunctions(desc).forEach(function (method) { + + var displayName = utils.extractDisplayName(method.name); + var typeName = utils.extractTypeName(method.name); var impl = function () { var params = Array.prototype.slice.call(arguments); - var signature = abi.methodSignature(method.name); + var signature = abi.signatureFromAscii(method.name); var parsed = inputParser[displayName][typeName].apply(null, params); - var options = result._options || {}; + var options = contract._options || {}; options.to = address; options.data = signature + parsed; - var isTransact = result._isTransact === true || (result._isTransact !== false && !method.constant); + var isTransact = contract._isTransact === true || (contract._isTransact !== false && !method.constant); var collapse = options.collapse !== false; // reset - result._options = {}; - result._isTransact = null; + contract._options = {}; + contract._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; + + exportNatspecGlobals({ + abi: desc, + address: address, + method: method.name, + params: params + }); // transactions do not have any output, cause we do not know, when they will be processed web3.eth.transact(options); @@ -130,14 +110,106 @@ var contract = function (address, desc) { return ret; }; - if (result[displayName] === undefined) { - result[displayName] = impl; + if (contract[displayName] === undefined) { + contract[displayName] = impl; + } + + contract[displayName][typeName] = impl; + }); +}; + +var addEventRelatedPropertiesToContract = function (contract, desc, address) { + contract.address = address; + contract._onWatchEventResult = function (data) { + var matchingEvent = event.getMatchingEvent(utils.filterEvents(desc)); + var parser = eventImpl.outputParser(matchingEvent); + return parser(data); + }; + + Object.defineProperty(contract, 'topic', { + get: function() { + return utils.filterEvents(desc).map(function (e) { + return abi.eventSignatureFromAscii(e.name); + }); + } + }); + +}; + +var addEventsToContract = function (contract, desc, address) { + // create contract events + utils.filterEvents(desc).forEach(function (e) { + + var impl = function () { + var params = Array.prototype.slice.call(arguments); + var signature = abi.eventSignatureFromAscii(e.name); + var event = eventImpl.inputParser(address, signature, e); + var o = event.apply(null, params); + o._onWatchEventResult = function (data) { + var parser = eventImpl.outputParser(e); + return parser(data); + }; + return web3.eth.watch(o); + }; + + // this property should be used by eth.filter to check if object is an event + impl._isEvent = true; + + var displayName = utils.extractDisplayName(e.name); + var typeName = utils.extractTypeName(e.name); + + if (contract[displayName] === undefined) { + contract[displayName] = impl; } - result[displayName][typeName] = impl; + contract[displayName][typeName] = impl; + + }); +}; + + +/** + * 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) { + // 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? + 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); + return result; }; |