stringToKey function
Implementation
IKey stringToKey(String s, KeyType type, int size, String suffix) {
var whole = base58ToBinary(size + 4, s);
IKey result;
Uint8List digest;
if (suffix == '') {
result = IKey(type, whole.sublist(1,size));
digest = digestSha256X2(whole.sublist(0,size));
} else {
result = IKey(type, whole.sublist(0,size));
digest = digestSuffixRipemd160(result.data, suffix);
}
if (digest[0] != whole[size + 0] ||
digest[1] != whole[size + 1] ||
digest[2] != whole[size + 2] ||
digest[3] != whole[size + 3]) {
throw "checksum doesn't match";
}
return result;
}