@spec sign(BitcoinLib.Transaction.t(), BitcoinLib.Key.PrivateKey.t()) ::
  BitcoinLib.Transaction.t()

Takes a transaction and signs it with the private key that's in the second parameter

examples

Examples

testnet transaction id: 838935b6bf2a16966fe261f23f28a88482f3b3d24c9847b68a56abe90d41ca97

iex>  private_key = BitcoinLib.Key.PrivateKey.from_seed_phrase(
...>    "rally celery split order almost twenty ignore record legend learn chaos decade"
...>  )
...>  %BitcoinLib.Transaction{
...>    version: 1,
...>    inputs: [
...>      %BitcoinLib.Transaction.Input{
...>        txid: "e4c226432a9319d603b2ed1fa609bffe4cd91f89b3176a9e73b19f7891a92bb6",
...>        vout: 0,
...>        sequence: 0xFFFFFFFF,
...>        script_sig: <<0x76A914AFC3E518577316386188AF748A816CD14CE333F288AC::200>> |> BitcoinLib.Script.parse!()
...>      }
...>    ],
...>    outputs: [%BitcoinLib.Transaction.Output{
...>       script_pub_key: <<0x76a9283265393261373463333431393661303236653839653061643561633431386366393430613361663288ac::360>> |> BitcoinLib.Script.parse!(),
...>       value: 10_000}
...>    ],
...>    locktime: 0
...>  }
...>  |> BitcoinLib.Transaction.Signer.sign(private_key)
...>  |> Map.get(:inputs)
[
  %BitcoinLib.Transaction.Input{
    txid: "e4c226432a9319d603b2ed1fa609bffe4cd91f89b3176a9e73b19f7891a92bb6",
    vout: 0,
    script_sig: <<0x47304402207d2ff650acf4bd2f413dc04ded50fbbfc315bcb0aa97636b3c4caf55333d1c6a02207590f62363b2263b3d9b65dad3cd56e840e0d61dc0feab8f7e7956831c7e5103012102702ded1cca9816fa1a94787ffc6f3ace62cd3b63164f76d227d0935a33ee48c3::848>>,
    sequence: 4294967295
  }
]