getAccountIndex function
Extracts the account index from the address with the hez prefix
@param {String} hezAccountIndex - Account index with hez prefix e.g. hez:DAI:4444
@returns {num} accountIndex - e.g. 4444
Implementation
num getAccountIndex(String? hezAccountIndex) {
if (hezAccountIndex != null) {
int colonIndex = hezAccountIndex.lastIndexOf(':') + 1;
return num.parse(hezAccountIndex.substring(colonIndex));
} else {
return -1;
}
}