36 lines
617 B
Go
36 lines
617 B
Go
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package main
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import (
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"math/big"
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)
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var alphabet = []byte("123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz")
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// Base58Encode encodes a byte array to Base58
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func Base58Encode(input []byte) []byte {
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var result []byte
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x := big.NewInt(0)
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x.SetBytes(input)
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base := big.NewInt(int64(len(alphabet)))
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zero := big.NewInt(0)
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mod := &big.Int{}
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for x.Cmp(zero) != 0 {
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x.DivMod(x, base, mod)
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result = append(result, alphabet[mod.Int64()])
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}
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ReverseBytes(result)
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for c := range input {
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if c == 0x00 {
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result = append([]byte{alphabet[0]}, result...)
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} else {
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break
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}
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}
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return result
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}
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