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go-ethereum
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BigNumber support

This commit is contained in:
Marek Kotewicz 2015-01-16 10:47:43 +01:00
parent ec74fc05d4
commit fbcc6d0d25
7 changed files with 39 additions and 29 deletions
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28
dist/ethereum.js vendored
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@ -27,6 +27,8 @@ if ("build" !== 'build') {/*
var web3 = require('./web3'); // jshint ignore:line
*/}
var BigNumber = require('bignumber.js');
// TODO: make these be actually accurate instead of falling back onto JS's doubles.
var hexToDec = function (hex) {
return parseInt(hex, 16).toString();
@ -85,24 +87,26 @@ var namedType = function (name) {
var setupInputTypes = function () {
/// Formats input value to byte representation of int
/// If value is negative, return it's two's complement
/// @returns right-aligned byte representation of int
var formatInt = function (value) {
var padding = 32 * 2;
if (typeof value === 'number') {
if (value < 0) {
// two's complement
// TODO: fix big numbers support
value = ((value) >>> 0).toString(16);
return padLeft(value, padding, 'f');
}
value = value.toString(16);
if (value instanceof BigNumber) {
if (value.lessThan(0))
value = new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(value).plus(1).toString(16);
else
value = value.toString(16);
}
else if (typeof value === 'number') {
if (value < 0)
value = new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(value).plus(1).toString(16);
else
value = new BigNumber(value).toString(16);
}
else if (value.indexOf('0x') === 0)
value = value.substr(2);
else if (typeof value === 'string')
value = value.toHex(value);
value = new BigNumber(value).toString(16);
else
value = (+value).toString(16);
return padLeft(value, padding);
@ -295,7 +299,7 @@ module.exports = {
};
},{}],2:[function(require,module,exports){
},{"bignumber.js":undefined}],2:[function(require,module,exports){
/*
This file is part of ethereum.js.

4
dist/ethereum.js.map vendored
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File diff suppressed because one or more lines are too long

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

1
example/balance.html
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@ -3,6 +3,7 @@
<head>
<script type="text/javascript" src="js/es6-promise/promise.min.js"></script>
<script type="text/javascript" src="../node_modules/bignumber.js/bignumber.min.js"></script>
<script type="text/javascript" src="../dist/ethereum.js"></script>
<script type="text/javascript">

4
gulpfile.js
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@ -90,7 +90,7 @@ gulp.task('uglify', ['build'], function(){
return uglifyFile('ethereum');
});
gulp.task('uglify', ['buildDev'], function(){
gulp.task('uglifyDev', ['buildDev'], function(){
return uglifyFile('ethereum');
});
@ -99,6 +99,6 @@ gulp.task('watch', function() {
});
gulp.task('release', ['bower', 'lint', 'build', 'uglify']);
gulp.task('dev', ['bower', 'lint', 'buildDev', 'uglify']);
gulp.task('dev', ['bower', 'lint', 'buildDev', 'uglifyDev']);
gulp.task('default', ['dev']);

26
lib/abi.js
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@ -26,6 +26,8 @@ if (process.env.NODE_ENV !== 'build') {
var web3 = require('./web3'); // jshint ignore:line
}
var BigNumber = require('bignumber.js');
// TODO: make these be actually accurate instead of falling back onto JS's doubles.
var hexToDec = function (hex) {
return parseInt(hex, 16).toString();
@ -84,24 +86,26 @@ var namedType = function (name) {
var setupInputTypes = function () {
/// Formats input value to byte representation of int
/// If value is negative, return it's two's complement
/// @returns right-aligned byte representation of int
var formatInt = function (value) {
var padding = 32 * 2;
if (typeof value === 'number') {
if (value < 0) {
// two's complement
// TODO: fix big numbers support
value = ((value) >>> 0).toString(16);
return padLeft(value, padding, 'f');
}
value = value.toString(16);
if (value instanceof BigNumber) {
if (value.lessThan(0))
value = new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(value).plus(1).toString(16);
else
value = value.toString(16);
}
else if (typeof value === 'number') {
if (value < 0)
value = new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(value).plus(1).toString(16);
else
value = new BigNumber(value).toString(16);
}
else if (value.indexOf('0x') === 0)
value = value.substr(2);
else if (typeof value === 'string')
value = value.toHex(value);
value = new BigNumber(value).toString(16);
else
value = (+value).toString(16);
return padLeft(value, padding);

3
package.json
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@ -10,7 +10,8 @@
"dependencies": {
"es6-promise": "*",
"ws": "*",
"xmlhttprequest": "*"
"xmlhttprequest": "*",
"bignumber.js": ">=2.0.0"
},
"devDependencies": {
"bower": ">=1.3.0",