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contract.js simplified

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pull/296/head
Marek Kotewicz 10 years ago
parent 842b8cf323
commit c8ee08c24b
6 changed files with 231 additions and 188 deletions
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  1. 217
      dist/ethereum.js
  2. 6
      dist/ethereum.js.map
  3. 2
      dist/ethereum.min.js
  4. 185
      lib/contract.js
  5. 2
      lib/event.js
  6. 7
      test/event.js

217
dist/ethereum.js vendored
Unescape View File

@ -428,7 +428,7 @@ module.exports = {
};
},{"./web3":7}],2:[function(require,module,exports){
},{"./web3":8}],2:[function(require,module,exports){
/*
This file is part of ethereum.js.
@ -453,78 +453,35 @@ module.exports = {
var web3 = require('./web3');
var abi = require('./abi');
var eventImplementation = require('./event');
/**
* 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.
// TODO: we may not want to modify input params, maybe use copy instead?
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 = {
address: address,
};
Object.defineProperty(result, 'topics', {
get: function() {
return abi.filterEvents(desc).map(function (event) {
return abi.methodSignature(event.name);
});
}
});
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;
};
});
};
var addFunctionsToContract = function (contract, desc, address) {
var inputParser = abi.inputParser(desc);
var outputParser = abi.outputParser(desc);
// create contract functions
abi.filterFunctions(desc).forEach(function (method) {
@ -537,16 +494,16 @@ var contract = function (address, desc) {
var signature = abi.methodSignature(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
@ -573,40 +530,96 @@ var contract = function (address, desc) {
return ret;
};
if (result[displayName] === undefined) {
result[displayName] = impl;
if (contract[displayName] === undefined) {
contract[displayName] = impl;
}
result[displayName][typeName] = impl;
contract[displayName][typeName] = impl;
});
};
// create contract events
abi.filterEvents(desc).forEach(function (event) {
var addEventRelatedPropertiesToContract = function (contract, desc, address) {
contract.address = address;
// TODO: rename these methods, cause they are used not only for methods
var displayName = abi.methodDisplayName(event.name);
var typeName = abi.methodTypeName(event.name);
Object.defineProperty(contract, 'topics', {
get: function() {
return abi.filterEvents(desc).map(function (e) {
return abi.methodSignature(e.name);
});
}
});
};
var impl = function (options) {
var signature = abi.methodSignature(event.name);
var o = options || {};
o.address = o.address || address;
o.topics = o.topics || [];
o.topics.push(signature);
var addEventsToContract = function (contract, desc, address) {
// create contract events
abi.filterEvents(desc).forEach(function (e) {
var impl = function () {
var params = Array.prototype.slice.call(arguments);
var signature = abi.methodSignature(e.name);
var eventImpl = eventImplementation(address, signature);
var o = eventImpl.apply(null, params);
return web3.eth.watch(o);
};
// TODO: rename these methods, cause they are used not only for methods
var displayName = abi.methodDisplayName(e.name);
var typeName = abi.methodTypeName(e.name);
if (result[displayName] === undefined) {
result[displayName] = impl;
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) {
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.
// TODO: we may not want to modify input params, maybe use copy instead?
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;
};
@ -614,7 +627,25 @@ var contract = function (address, desc) {
module.exports = contract;
},{"./abi":1,"./web3":7}],3:[function(require,module,exports){
},{"./abi":1,"./event":3,"./web3":8}],3:[function(require,module,exports){
var abi = require('./abi');
var implementationOfEvent = function (address, signature) {
return function (options) {
var o = options || {};
o.address = o.address || address;
o.topics = o.topics || [];
o.topics.push(signature);
return o;
};
};
module.exports = implementationOfEvent;
},{"./abi":1}],4:[function(require,module,exports){
/*
This file is part of ethereum.js.
@ -689,7 +720,7 @@ Filter.prototype.logs = function () {
module.exports = Filter;
},{"./web3":7}],4:[function(require,module,exports){
},{"./web3":8}],5:[function(require,module,exports){
/*
This file is part of ethereum.js.
@ -761,7 +792,7 @@ HttpSyncProvider.prototype.send = function (payload) {
module.exports = HttpSyncProvider;
},{}],5:[function(require,module,exports){
},{}],6:[function(require,module,exports){
/*
This file is part of ethereum.js.
@ -873,7 +904,7 @@ ProviderManager.prototype.stopPolling = function (pollId) {
module.exports = ProviderManager;
},{"./web3":7}],6:[function(require,module,exports){
},{"./web3":8}],7:[function(require,module,exports){
/*
This file is part of ethereum.js.
@ -907,7 +938,7 @@ QtSyncProvider.prototype.send = function (payload) {
module.exports = QtSyncProvider;
},{}],7:[function(require,module,exports){
},{}],8:[function(require,module,exports){
/*
This file is part of ethereum.js.
@ -1249,7 +1280,7 @@ 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"])
},{"./lib/abi":1,"./lib/contract":2,"./lib/filter":4,"./lib/httpsync":5,"./lib/providermanager":6,"./lib/qtsync":7,"./lib/web3":8}]},{},["web3"])
//# sourceMappingURL=ethereum.js.map

6
dist/ethereum.js.map vendored
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2
dist/ethereum.min.js vendored
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185
lib/contract.js
Unescape View File

@ -22,78 +22,35 @@
var web3 = require('./web3');
var abi = require('./abi');
var eventImplementation = require('./event');
/**
* 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.
// TODO: we may not want to modify input params, maybe use copy instead?
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 = {
address: address,
};
Object.defineProperty(result, 'topics', {
get: function() {
return abi.filterEvents(desc).map(function (event) {
return abi.methodSignature(event.name);
});
}
});
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;
};
});
};
var addFunctionsToContract = function (contract, desc, address) {
var inputParser = abi.inputParser(desc);
var outputParser = abi.outputParser(desc);
// create contract functions
abi.filterFunctions(desc).forEach(function (method) {
@ -106,16 +63,16 @@ var contract = function (address, desc) {
var signature = abi.methodSignature(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
@ -142,40 +99,96 @@ var contract = function (address, desc) {
return ret;
};
if (result[displayName] === undefined) {
result[displayName] = impl;
if (contract[displayName] === undefined) {
contract[displayName] = impl;
}
result[displayName][typeName] = impl;
contract[displayName][typeName] = impl;
});
};
// create contract events
abi.filterEvents(desc).forEach(function (event) {
var addEventRelatedPropertiesToContract = function (contract, desc, address) {
contract.address = address;
// TODO: rename these methods, cause they are used not only for methods
var displayName = abi.methodDisplayName(event.name);
var typeName = abi.methodTypeName(event.name);
Object.defineProperty(contract, 'topics', {
get: function() {
return abi.filterEvents(desc).map(function (e) {
return abi.methodSignature(e.name);
});
}
});
};
var impl = function (options) {
var signature = abi.methodSignature(event.name);
var o = options || {};
o.address = o.address || address;
o.topics = o.topics || [];
o.topics.push(signature);
var addEventsToContract = function (contract, desc, address) {
// create contract events
abi.filterEvents(desc).forEach(function (e) {
var impl = function () {
var params = Array.prototype.slice.call(arguments);
var signature = abi.methodSignature(e.name);
var eventImpl = eventImplementation(address, signature);
var o = eventImpl.apply(null, params);
return web3.eth.watch(o);
};
// TODO: rename these methods, cause they are used not only for methods
var displayName = abi.methodDisplayName(e.name);
var typeName = abi.methodTypeName(e.name);
if (result[displayName] === undefined) {
result[displayName] = impl;
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) {
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.
// TODO: we may not want to modify input params, maybe use copy instead?
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;
};

2
lib/event.js
Unescape View File

@ -1,7 +1,7 @@
var abi = require('./abi');
var implementationOfEvent = function (event, address, signature) {
var implementationOfEvent = function (address, signature) {
return function (options) {
var o = options || {};

7
test/event.js
Unescape View File

@ -7,13 +7,9 @@ describe('event', function () {
// given
var address = '0x012345';
var signature = '0x987654';
var e = {
name: 'test',
type: 'event',
};
// when
var impl = event(e, address, signature);
var impl = event(address, signature);
var result = impl();
// then
@ -23,3 +19,4 @@ describe('event', function () {
});
});

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