Base58Check encoding: Difference between revisions
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m (→{{header|Sidef}}: optimization) |
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Line 317:
0x10c8511e -> Rt5zm
</pre>
=={{header|Groovy}}==
{{trans|Java}}
<lang groovy>class Base58CheckEncoding {
private static final String ALPHABET = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"
private static final BigInteger BIG0 = BigInteger.ZERO
private static final BigInteger BIG58 = BigInteger.valueOf(58)
private static String convertToBase58(String hash) {
return convertToBase58(hash, 16)
}
private static String convertToBase58(String hash, int base) {
BigInteger x
if (base == 16 && hash.substring(0, 2) == "0x") {
x = new BigInteger(hash.substring(2), 16)
} else {
x = new BigInteger(hash, base)
}
StringBuilder sb = new StringBuilder()
while (x > BIG0) {
int r = (x % BIG58).intValue()
sb.append(ALPHABET.charAt(r))
x = x.divide(BIG58)
}
return sb.reverse().toString()
}
static void main(String[] args) {
String s = "25420294593250030202636073700053352635053786165627414518"
String b = convertToBase58(s, 10)
System.out.printf("%s -> %s\n", s, b)
List<String> hashes = new ArrayList<>()
hashes.add("0x61")
hashes.add("0x626262")
hashes.add("0x636363")
hashes.add("0x73696d706c792061206c6f6e6720737472696e67")
hashes.add("0x516b6fcd0f")
hashes.add("0xbf4f89001e670274dd")
hashes.add("0x572e4794")
hashes.add("0xecac89cad93923c02321")
hashes.add("0x10c8511e")
for (String hash : hashes) {
String b58 = convertToBase58(hash)
System.out.printf("%-56s -> %s\n", hash, b58)
}
}
}</lang>
{{out}}
<pre>25420294593250030202636073700053352635053786165627414518 -> 6UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM
0x61 -> 2g
0x626262 -> a3gV
0x636363 -> aPEr
0x73696d706c792061206c6f6e6720737472696e67 -> 2cFupjhnEsSn59qHXstmK2ffpLv2
0x516b6fcd0f -> ABnLTmg
0xbf4f89001e670274dd -> 3SEo3LWLoPntC
0x572e4794 -> 3EFU7m
0xecac89cad93923c02321 -> EJDM8drfXA6uyA
0x10c8511e -> Rt5zm</pre>
=={{header|Haskell}}==
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