View Source BitcoinLib.Key.HD.Fingerprint (BitcoinLib v0.2.0-pre3)
A fingerprint is a small hash of a public key
Link to this section Summary
Link to this section Functions
@spec append(%BitcoinLib.Key.PrivateKey{ chain_code: term(), depth: term(), fingerprint: term(), index: term(), key: term(), parent_fingerprint: term() }) :: %BitcoinLib.Key.PrivateKey{ chain_code: term(), depth: term(), fingerprint: term(), index: term(), key: term(), parent_fingerprint: term() }
@spec append(%BitcoinLib.Key.PublicKey{ chain_code: term(), depth: term(), fingerprint: term(), index: term(), key: term(), parent_fingerprint: term(), uncompressed_key: term() }) :: %BitcoinLib.Key.PublicKey{ chain_code: term(), depth: term(), fingerprint: term(), index: term(), key: term(), parent_fingerprint: term(), uncompressed_key: term() }
Adds a fingerprint to a public key
examples
Examples
iex> %BitcoinLib.Key.PrivateKey { ...> key: <<0xE8F32E723DECF4051AEFAC8E2C93C9C5B214313817CDB01A1494B917C8436B35::256>>, ...> chain_code: <<0x873DFF81C02F525623FD1FE5167EAC3A55A049DE3D314BB42EE227FFED37D508::256>> ...> } ...> |> BitcoinLib.Key.HD.Fingerprint.append() %BitcoinLib.Key.PrivateKey {
fingerprint: <<0x3442193E::32>>,
key: <<0xE8F32E723DECF4051AEFAC8E2C93C9C5B214313817CDB01A1494B917C8436B35::256>>,
chain_code: <<0x873DFF81C02F525623FD1FE5167EAC3A55A049DE3D314BB42EE227FFED37D508::256>>
}
iex> %BitcoinLib.Key.PublicKey{ ...> key: <<0x252C616D91A2488C1FD1F0F172E98F7D1F6E51F8F389B2F8D632A8B490D5F6DA9::264>>, ...> chain_code: <<0x463223AAC10FB13F291A1BC76BC26003D98DA661CB76DF61E750C139826DEA8B::256>> ...> } ...> |> BitcoinLib.Key.HD.Fingerprint.append() %BitcoinLib.Key.PublicKey{
fingerprint: <<0x18C1259::32>>,
key: <<0x252C616D91A2488C1FD1F0F172E98F7D1F6E51F8F389B2F8D632A8B490D5F6DA9::264>>,
chain_code: <<0x463223AAC10FB13F291A1BC76BC26003D98DA661CB76DF61E750C139826DEA8B::256>>
}
@spec compute(%BitcoinLib.Key.PrivateKey{ chain_code: term(), depth: term(), fingerprint: term(), index: term(), key: term(), parent_fingerprint: term() }) :: binary()
@spec compute(%BitcoinLib.Key.PublicKey{ chain_code: term(), depth: term(), fingerprint: term(), index: term(), key: term(), parent_fingerprint: term(), uncompressed_key: term() }) :: binary()
Compute a private key's fingerprint
examples
Examples
iex> %BitcoinLib.Key.PrivateKey { ...> key: <<0xE8F32E723DECF4051AEFAC8E2C93C9C5B214313817CDB01A1494B917C8436B35::256>>, ...> chain_code: <<0x873DFF81C02F525623FD1FE5167EAC3A55A049DE3D314BB42EE227FFED37D508::256>> ...> } ...> |> BitcoinLib.Key.HD.Fingerprint.compute() <<0x3442193E::32>>
iex> %BitcoinLib.Key.PublicKey{ ...> key: <<0x252C616D91A2488C1FD1F0F172E98F7D1F6E51F8F389B2F8D632A8B490D5F6DA9::264>>, ...> chain_code: <<0x463223AAC10FB13F291A1BC76BC26003D98DA661CB76DF61E750C139826DEA8B::256>> ...> } ...> |> BitcoinLib.Key.HD.Fingerprint.compute() <<0x18C1259::32>>