#include "bitcoinaddressvalidator.h"
-#include <QDebug>
-
/* Base58 characters are:
"123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"
This is:
- All numbers except for '0'
- - All uppercase letters except for 'I' and 'O'
- - All lowercase letters except for 'l'
+ - All upper-case letters except for 'I' and 'O'
+ - All lower-case letters except for 'l'
User friendly Base58 input can map
- 'l' and 'I' to '1'
QValidator::State BitcoinAddressValidator::validate(QString &input, int &pos) const
{
// Correction
- for(int idx=0; idx<input.size(); ++idx)
+ for(int idx=0; idx<input.size();)
{
- switch(input.at(idx).unicode())
+ bool removeChar = false;
+ QChar ch = input.at(idx);
+ // Corrections made are very conservative on purpose, to avoid
+ // users unexpectedly getting away with typos that would normally
+ // be detected, and thus sending to the wrong address.
+ switch(ch.unicode())
{
- case 'l':
- case 'I':
- input[idx] = QChar('1');
- break;
- case '0':
- case 'O':
- input[idx] = QChar('o');
+ // Qt categorizes these as "Other_Format" not "Separator_Space"
+ case 0x200B: // ZERO WIDTH SPACE
+ case 0xFEFF: // ZERO WIDTH NO-BREAK SPACE
+ removeChar = true;
break;
default:
break;
}
+ // Remove whitespace
+ if(ch.isSpace())
+ removeChar = true;
+ // To next character
+ if(removeChar)
+ input.remove(idx, 1);
+ else
+ ++idx;
}
// Validation
}
}
+ // Empty address is "intermediate" input
+ if(input.isEmpty())
+ {
+ state = QValidator::Intermediate;
+ }
+
return state;
}