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Transactions now return false on failure.

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This commit is contained in:
Alberto Cuesta Cañada
2020-01-23 21:17:49 +00:00
parent be49c332d2
commit b770d89ade
3 changed files with 26 additions and 13 deletions
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6
contracts/utils/EnumerableSet.sol
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@ -39,7 +39,7 @@ library EnumerableSet {
}
/**
* @dev Add a value. O(1).
* @dev Add a value. O(1). Returns false if the value was already in the set.
*/
function add(AddressSet storage set, address value)
internal
@ -47,13 +47,14 @@ library EnumerableSet {
{
if (!contains(set, value)){
set.index[value] = set.values.push(value);
return true;
} else {
return false;
}
}
/**
* @dev Remove a value. O(1).
* @dev Remove a value. O(1). Returns false if the calue was not present in the set.
*/
function remove(AddressSet storage set, address value)
internal
@ -64,6 +65,7 @@ library EnumerableSet {
set.values[set.index[value] - 1] = set.values[set.values.length - 1];
set.values.pop();
delete set.index[value];
return true;
} else {
return false;
}