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big integers on abi.js output, tests

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This commit is contained in:
Marek Kotewicz
2015-01-16 11:58:26 +01:00
parent f1295b506d
commit 2c36d5ff45
5 changed files with 78 additions and 13 deletions
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13
lib/abi.js
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@ -175,7 +175,16 @@ var setupOutputTypes = function () {
/// Formats input right-aligned input bytes to int
/// @returns right-aligned input bytes formatted to int
var formatInt = function (value) {
return value.length <= 8 ? +parseInt(value, 16) : hexToDec(value);
// check if it's negative number
// it it is, return two's complement
if (value.substr(0, 1).toLowerCase() === 'f') {
return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);
}
return new BigNumber(value, 16);
};
var formatUInt = function (value) {
return new BigNumber(value, 16);
};
/// @returns right-aligned input bytes formatted to hex
@ -199,7 +208,7 @@ var setupOutputTypes = function () {
};
return [
{ type: prefixedType('uint'), format: formatInt },
{ type: prefixedType('uint'), format: formatUInt },
{ type: prefixedType('int'), format: formatInt },
{ type: prefixedType('hash'), format: formatHash },
{ type: prefixedType('string'), format: formatString },