41 lines
1.3 KiB
C#
41 lines
1.3 KiB
C#
using Base58Check;
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namespace simplepack
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{
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public class SimplePack
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{
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private string head;
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private string foot;
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public SimplePack(string header, string footer){
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// Specify human meaningful header/footer string
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head = header;
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foot = footer;
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// header footer need to be >= 1 len
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if (header.Length == 0 | footer.Length == 0){
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throw new InvalidSimplePackHeader();
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}
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}
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public byte[] decode(string data){
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// Not valid if it doesn't have head/foot
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if (! data.Contains(head) | ! data.Contains(foot)){ throw new InvalidSimplePackHeader();}
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string base58Data = "";
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// Extract the encoded part without header/footer
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for (int i = head.Length; i < data.Length - foot.Length; i++){
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base58Data += data[i];
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}
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// Will raise System.FormatException if checksum is not valid (or invalid footer/header)
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return Base58CheckEncoding.Decode(base58Data);
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}
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public string encode(byte[] data){
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// OutOfMemoryException may be thrown for large payloads
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return head + Base58CheckEncoding.Encode(data) + foot;
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}
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}
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}
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