cerc-io/plugeth
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contract.html example is working with sync api

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This commit is contained in:
Marek Kotewicz 2015-01-21 21:12:07 +01:00
parent ceb4357a8d
commit c9693b4746
8 changed files with 60 additions and 62 deletions
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41
dist/ethereum.js vendored
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@ -33,6 +33,9 @@ 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
@ -390,11 +393,10 @@ var outputParser = function (json) {
return parser;
};
/// @param json abi for contract
/// @param method name for which we want to get method signature
/// @returns (promise) contract method signature for method with given name
var methodSignature = function (json, name) {
return web3.sha3(web3.fromAscii(name));
var methodSignature = function (name) {
return web3.sha3(web3.fromAscii(name)).slice(0, 2 + ETH_METHOD_SIGNATURE_LENGTH * 2);
};
module.exports = {
@ -432,8 +434,7 @@ module.exports = {
var web3 = require('./web3'); // jshint ignore:line
var abi = require('./abi');
/// method signature length in bytes
var ETH_METHOD_SIGNATURE_LENGTH = 4;
/**
* This method should be called when we want to call / transact some solidity method from javascript
@ -469,29 +470,29 @@ var contract = function (address, desc) {
var impl = function () {
var params = Array.prototype.slice.call(arguments);
var parsed = inputParser[displayName][typeName].apply(null, params);
var onSuccess = function (result) {
return outputParser[displayName][typeName](result);
};
var signature = abi.methodSignature(method.name);
return {
call: function (extra) {
extra = extra || {};
extra.to = address;
return abi.methodSignature(desc, method.name).then(function (signature) {
extra.data = signature.slice(0, 2 + ETH_METHOD_SIGNATURE_LENGTH * 2) + parsed;
return web3.eth.call(extra).then(onSuccess);
});
extra.data = signature + parsed;
var result = web3.eth.call(extra);
return outputParser[displayName][typeName](result);
},
transact: function (extra) {
extra = extra || {};
extra.to = address;
return abi.methodSignature(desc, method.name).then(function (signature) {
extra.data = signature.slice(0, 2 + ETH_METHOD_SIGNATURE_LENGTH * 2) + parsed;
web3._currentContractAbi = desc;
web3._currentContractAddress = address;
return web3.eth.transact(extra).then(onSuccess);
});
extra.data = signature + parsed;
/// it's used by natspec.js
/// TODO: figure a better way to solve this
web3._currentContractAbi = desc;
web3._currentContractAddress = address;
var result = web3.eth.transact(extra);
return outputParser[displayName][typeName](result);
}
};
};
@ -623,7 +624,7 @@ module.exports = Filter;
var HttpSyncProvider = function (host) {
this.handlers = [];
this.host = host;
this.host = host || 'http://localhost:8080';
};
/// Transforms inner message to proper jsonrpc object

8
dist/ethereum.js.map vendored
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2
dist/ethereum.min.js vendored
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File diff suppressed because one or more lines are too long

16
example/balance.html
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@ -14,17 +14,15 @@
var coinbase = web3.eth.coinbase;
var originalBalance = 0;
web3.eth.balanceAt(coinbase).then(function (balance) {
originalBalance = web3.toDecimal(balance);
document.getElementById('original').innerText = 'original balance: ' + originalBalance + ' watching...';
});
var balance = web3.eth.balanceAt(coinbase);
var originalBalance = web3.toDecimal(balance);
document.getElementById('original').innerText = 'original balance: ' + originalBalance + ' watching...';
web3.eth.watch({altered: coinbase}).changed(function() {
web3.eth.balanceAt(coinbase).then(function (balance) {
var currentBalance = web3.toDecimal(balance);
document.getElementById("current").innerText = 'current: ' + currentBalance;
document.getElementById("diff").innerText = 'diff: ' + (currentBalance - originalBalance);
});
balance = web3.eth.balanceAt(coinbase)
var currentBalance = web3.toDecimal(balance);
document.getElementById("current").innerText = 'current: ' + currentBalance;
document.getElementById("diff").innerText = 'diff: ' + (currentBalance - originalBalance);
});
}

14
example/contract.html
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@ -8,7 +8,7 @@
<script type="text/javascript">
var web3 = require('web3');
web3.setProvider(new web3.providers.AutoProvider());
web3.setProvider(new web3.providers.HttpSyncProvider());
// solidity source code
var source = "" +
@ -43,10 +43,9 @@
document.getElementById('source').innerText = source;
// create contract
web3.eth.transact({code: web3.eth.solidity(source)}).then(function (address) {
contract = web3.eth.contract(address, desc);
document.getElementById('call').style.visibility = 'visible';
});
var address = web3.eth.transact({code: web3.eth.solidity(source)});
contract = web3.eth.contract(address, desc);
document.getElementById('call').style.visibility = 'visible';
}
function callExampleContract() {
@ -54,9 +53,8 @@
var param = parseInt(document.getElementById('value').value);
// call the contract
contract.multiply(param).call().then(function(res) {
document.getElementById('result').innerText = res[0];
});
var res = contract.multiply(param).call();
document.getElementById('result').innerText = res[0];
}
</script>

8
lib/abi.js
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@ -32,6 +32,9 @@ 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
@ -389,11 +392,10 @@ var outputParser = function (json) {
return parser;
};
/// @param json abi for contract
/// @param method name for which we want to get method signature
/// @returns (promise) contract method signature for method with given name
var methodSignature = function (json, name) {
return web3.sha3(web3.fromAscii(name));
var methodSignature = function (name) {
return web3.sha3(web3.fromAscii(name)).slice(0, 2 + ETH_METHOD_SIGNATURE_LENGTH * 2);
};
module.exports = {

31
lib/contract.js
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@ -23,8 +23,7 @@
var web3 = require('./web3'); // jshint ignore:line
var abi = require('./abi');
/// method signature length in bytes
var ETH_METHOD_SIGNATURE_LENGTH = 4;
/**
* This method should be called when we want to call / transact some solidity method from javascript
@ -60,29 +59,29 @@ var contract = function (address, desc) {
var impl = function () {
var params = Array.prototype.slice.call(arguments);
var parsed = inputParser[displayName][typeName].apply(null, params);
var onSuccess = function (result) {
return outputParser[displayName][typeName](result);
};
var signature = abi.methodSignature(method.name);
return {
call: function (extra) {
extra = extra || {};
extra.to = address;
return abi.methodSignature(desc, method.name).then(function (signature) {
extra.data = signature.slice(0, 2 + ETH_METHOD_SIGNATURE_LENGTH * 2) + parsed;
return web3.eth.call(extra).then(onSuccess);
});
extra.data = signature + parsed;
var result = web3.eth.call(extra);
return outputParser[displayName][typeName](result);
},
transact: function (extra) {
extra = extra || {};
extra.to = address;
return abi.methodSignature(desc, method.name).then(function (signature) {
extra.data = signature.slice(0, 2 + ETH_METHOD_SIGNATURE_LENGTH * 2) + parsed;
web3._currentContractAbi = desc;
web3._currentContractAddress = address;
return web3.eth.transact(extra).then(onSuccess);
});
extra.data = signature + parsed;
/// it's used by natspec.js
/// TODO: figure a better way to solve this
web3._currentContractAbi = desc;
web3._currentContractAddress = address;
var result = web3.eth.transact(extra);
return outputParser[displayName][typeName](result);
}
};
};

2
lib/httpsync.js
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@ -23,7 +23,7 @@
var HttpSyncProvider = function (host) {
this.handlers = [];
this.host = host;
this.host = host || 'http://localhost:8080';
};
/// Transforms inner message to proper jsonrpc object