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Fix for Private Key (WIF-Compressed)
When testing with a `private_key = '0000000000000000000000000000000000000000000000000000000000000001'` instead of `private_key = bitcoin.random_key()`, the generated Private Key (WIF-Compressed) is wrong `5HpHagT65TZzG1PH3CSu63k8DbpvD8s5ip4nEB3kEsrefhvB5QZ`, it should be `KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn`. As it turns out, the proper way to get the correct compressed WIF is to pass `'wif_compressed'` and not `'wif'` to the `bitcoin.encode_privkey` function, as pointed out in the Main.py from the bitcoin python package. ``` def encode_privkey(priv, formt, vbyte=0): if not isinstance(priv, int_types): return encode_privkey(decode_privkey(priv), formt, vbyte) if formt == 'decimal': return priv elif formt == 'bin': return encode(priv, 256, 32) elif formt == 'bin_compressed': return encode(priv, 256, 32)+b'\x01' elif formt == 'hex': return encode(priv, 16, 64) elif formt == 'hex_compressed': return encode(priv, 16, 64)+'01' elif formt == 'wif': return bin_to_b58check(encode(priv, 256, 32), 128+int(vbyte)) elif formt == 'wif_compressed': return bin_to_b58check(encode(priv, 256, 32)+b'\x01', 128+int(vbyte)) else: raise Exception("Invalid format!") ``` The fix can be done in a couple ways: `bitcoin.encode_privkey(bitcoin.decode_privkey(compressed_private_key, 'hex'), 'wif')` -> 5HpHagT65TZzG1PH3CSu63k8DbpvD8s5ip4nEB3kEsrefhvB5QZ (WRONG) `bitcoin.encode_privkey(bitcoin.decode_privkey(compressed_private_key, 'hex'), 'wif_compressed')` -> KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU9FMLM39zT (WRONG) `bitcoin.encode_privkey(bitcoin.decode_privkey(compressed_private_key, 'hex_compressed'), 'wif_compressed')` -> KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn (CORRECT) `bitcoin.encode_privkey(bitcoin.decode_privkey(private_key, 'hex'), 'wif_compressed')` -> KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn (CORRECT)
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@ -21,7 +21,10 @@ print("Private Key Compressed (hex) is: ", compressed_private_key)
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# Generate a WIF format from the compressed private key (WIF-compressed)
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wif_compressed_private_key = bitcoin.encode_privkey(
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bitcoin.decode_privkey(compressed_private_key, 'hex'), 'wif')
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bitcoin.decode_privkey(compressed_private_key, 'hex_compressed'), 'wif_compressed')
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# also can be done correctly with
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#wif_compressed_private_key = bitcoin.encode_privkey(
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# bitcoin.decode_privkey(private_key, 'hex'), 'wif_compressed')
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print("Private Key (WIF-Compressed) is: ", wif_compressed_private_key)
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# Multiply the EC generator point G with the private key to get a public key point
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