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Now using github.com/obscuren/otto, no need for an Ethereum object

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(got rid of some messy code in test)
This commit is contained in:
Fefe
2015-03-06 18:54:26 +01:00
parent b67ded9f27
commit e157147253
3 changed files with 62 additions and 207 deletions
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127
ethutil/natspec/natspec.js
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@@ -1824,10 +1824,6 @@ module.exports = {
// Handle values that fail the validity test in BigNumber.
// Zsolt Felfoldi 15/03/06
// modified regexps in order to compile with go JSRE
parseNumeric = (function () {
// var basePrefix = /^(-?)0([xbo])(?=\w[\w.]*$)/i,
var basePrefix = /^(-?)0([xbo])/i,
@@ -1838,7 +1834,6 @@ module.exports = {
whitespaceOrPlus = /^\s*\+[\w.]|^\s+|\s+$/g;
return function ( x, str, num, b ) {
var base,
s = num ? str : str.replace( whitespaceOrPlus, '' );
@@ -3387,7 +3382,6 @@ module.exports = {
})(this);
},{"crypto":1}],"natspec":[function(require,module,exports){
(function (global){
/*
This file is part of natspec.js.
@@ -3418,31 +3412,18 @@ var abi = require('./node_modules/ethereum.js/lib/abi.js');
*/
var natspec = (function () {
/// Helper method
/// Modifications by Zsolt Felfoldi, 15/03/06
/// eval() under go JSRE is unable to reach variables that
/// are added to the global context runtime, so now we
/// create a variable assignment code for each param
/// and run in an isolated function(context)
/// variable assignment code is returned by copyToContext
/// Should be called to copy values from object to global context
var copyToContext = function (obj, context) {
var code = "";
var keys = Object.keys(obj);
keys.forEach(function (key) {
Object.keys(obj).forEach(function (key) {
context[key] = obj[key];
code = code + "var "+key+" = context['"+key+"'];\n";
});
return code;
}
/// this function will not be used in 'production' natspec evaluation
/// it's only used to enable tests in node environment
/// it copies all functions from current context to nodejs global context
var copyToNodeGlobal = function (obj) {
if (typeof global === 'undefined') {
return;
}
copyToContext(obj, global);
/// generate codes, which will be evaluated
var generateCode = function (obj) {
return Object.keys(obj).reduce(function (acc, key) {
return acc + "var " + key + " = context['" + key + "'];\n";
}, "");
};
/// Helper method
@@ -3455,52 +3436,20 @@ var natspec = (function () {
})[0];
};
/// Function called to get all contract's storage values
/// @returns hashmap with contract properties which are used
/// TODO: check if this function will be used
var getContractProperties = function (address, abi) {
return {};
};
/// Function called to get all contract method input variables
/// @returns hashmap with all contract's method input variables
var getMethodInputParams = function (method, transaction) {
// do it with output formatter (cause we have to decode)
var params = abi.formatOutput(method.inputs, '0x' + transaction.params[0].data.slice(10));
return method.inputs.reduce(function (acc, current, index) {
acc[current.name] = params[index];
return acc;
}, {});
};
/// Should be called to evaluate single expression
/// Is internally using javascript's 'eval' method
/// @param expression which should be evaluated
/// @param [call] object containing contract abi, transaction, called method
/// TODO: separate evaluation from getting input params, so as not to spoil 'evaluateExpression' function
var evaluateExpression = function (expression, call) {
var self = this;
var code = "";
var context = [];
if (!!call) {
try {
var method = getMethodWithName(call.abi, call.method);
var params = getMethodInputParams(method, call.transaction);
code = copyToContext(params, context); // see copyToContext comments
}
catch (err) {
return "Natspec evaluation failed, wrong input params";
}
}
// used only for tests
copyToNodeGlobal(context);
/// Should be called to evaluate expression
var mapExpressionsToEvaluate = function (expression, cb) {
var evaluatedExpression = "";
// match everything in `` quotes
@@ -3509,27 +3458,50 @@ var natspec = (function () {
var lastIndex = 0;
while ((match = pattern.exec(expression)) !== null) {
var startIndex = pattern.lastIndex - match[0].length;
var toEval = match[0].slice(1, match[0].length - 1);
evaluatedExpression += expression.slice(lastIndex, startIndex);
var evaluatedPart;
try {
var fn = new Function("context", code + "return "+toEval+";");
evaluatedPart = fn(context).toString(); // see copyToContext comments
// evaluatedPart = eval(toEval).toString();
}
catch (err) {
evaluatedPart = 'undefined';
}
var evaluatedPart = cb(toEval);
evaluatedExpression += evaluatedPart;
lastIndex = pattern.lastIndex;
}
evaluatedExpression += expression.slice(lastIndex);
evaluatedExpression += expression.slice(lastIndex);
return evaluatedExpression;
};
/// Should be called to evaluate single expression
/// Is internally using javascript's 'eval' method
/// @param expression which should be evaluated
/// @param [call] object containing contract abi, transaction, called method
/// TODO: separate evaluation from getting input params, so as not to spoil 'evaluateExpression' function
var evaluateExpression = function (expression, call) {
//var self = this;
var context = {};
if (!!call) {
try {
var method = getMethodWithName(call.abi, call.method);
var params = getMethodInputParams(method, call.transaction);
copyToContext(params, context);
}
catch (err) {
return "Natspec evaluation failed, wrong input params";
}
}
var code = generateCode(context);
var evaluatedExpression = mapExpressionsToEvaluate(expression, function (toEval) {
try {
var fn = new Function("context", code + "return " + toEval + ";");
return fn(context).toString();
}
catch (err) {
return 'undefined';
}
});
return evaluatedExpression;
};
@@ -3542,5 +3514,4 @@ var natspec = (function () {
module.exports = natspec;
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./node_modules/ethereum.js/lib/abi.js":3}]},{},[]);