multisig-zpub.rs

use std::str::FromStr;
use bitcoin::util::bip32::ExtendedPubKey;
use bitcoin::util::bip32::DerivationPath;
use bitcoin::secp256k1::Secp256k1;
use bitcoin::secp256k1::ffi::types::AlignedType;
use slip132::FromSlip132;

fn main() {
    let network = bitcoin::Network::Bitcoin;

    // zprvAWgYBBk7JR8GmC7Jc5iG3LcxY8B93PG88L9N7emTEGnrtkVTxCPGLBisPQ5gbxeXtrZZHAGsUm9ojGYAN5gkvpvkNJNsxYb2C4PbAbS5oq4
    // globe motor iron eye glide own flag disagree satisfy slim control pride
    let k1 = ExtendedPubKey::from_slip132_str("Zpub75FRZYofsUD31eBn35Yw3PnSXhfrhCSrxJciEnjWj8x25MxWRWwCYWNh4V8ShR1otGKghpDoJ4GG3LzjBoyqHoGAArdTzdhcGpZRdW1y619").unwrap();

    // zprvAWgYBBk7JR8GjXC6efnu7VbGDJGsQRJojViLw22rmkCcKNLdQsSxTEiuFJfGaPYsNAiAXZ6FoCb2qqNcdLHPJZ5R9Ai4G7F5MzosomRv7xr
    // trust arena helmet squirrel pottery runway merge target brick kick concert decrease
    let k2 = ExtendedPubKey::from_slip132_str("Zpub74pvmbyguyWMP5QbohasDZwtUu24N5sAg6AcZvNeq5wzF7WLL3tZBDihvT9DF1h8MzhMFXZvr15NuGygzYRU5Zfw1rTW8mYohmQ6EKwziM2").unwrap();

    let dp = DerivationPath::from_str("m/0/0").unwrap();

    let mut buf: Vec<AlignedType> = Vec::new();
    buf.resize(Secp256k1::preallocate_size(), AlignedType::zeroed());
    let secp = Secp256k1::preallocated_new(buf.as_mut_slice()).unwrap();

    let a0k1 = k1.derive_pub(&secp, &dp).unwrap();
    let a0k2 = k2.derive_pub(&secp, &dp).unwrap();
    
    println!("PK-0: {}", a0k1.public_key);
    println!("PK-1: {}", a0k2.public_key);

    let s0 = bitcoin::Script::from_str("5221023f3f6c33b522aa2178230e9a1b374f91bc59f4413da59a285fecfc1e7f72e67a2103e62f96cbb76f277b3c37913602baa4815f05ef6f7d14ade430efce0caf33fe3652ae").unwrap();

    // OP_PUSHNUM_2 
    // OP_PUSHBYTES_33 023f3f6c33b522aa2178230e9a1b374f91bc59f4413da59a285fecfc1e7f72e67a 
    // OP_PUSHBYTES_33 03e62f96cbb76f277b3c37913602baa4815f05ef6f7d14ade430efce0caf33fe36 
    // OP_PUSHNUM_2 
    // OP_CHECKMULTISIG
    let script = bitcoin::blockdata::script::Builder::new()
        .push_int(2)
        .push_key(&a0k2.public_key)
        .push_key(&a0k1.public_key)
        .push_int(2)
        .push_opcode(bitcoin::blockdata::opcodes::all::OP_CHECKMULTISIG)
        .into_script();

    println!("Ref: {}", s0);
    println!("New: {}", script);

    let script = bitcoin::Script::new_v0_wsh(&script.wscript_hash());
    let addr = bitcoin::Address::from_script(&script, network).unwrap();

    println!("Addr: {}", addr);
}