96 lines
3.3 KiB
Rust
96 lines
3.3 KiB
Rust
use std::fs;
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use std::str::FromStr;
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use clap::{Arg, Command};
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use orchard::keys::SpendingKey;
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use rand_chacha::rand_core::OsRng;
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use secp256k1::SecretKey;
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use warp_api_ffi::note_selection::SecretKeys;
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use warp_api_ffi::orchard::derive_orchard_keys;
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use warp_api_ffi::{build_tx, TransactionPlan};
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use warp_api_ffi::{key2::decode_key, taddr::derive_tkeys};
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use zcash_client_backend::encoding::{
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decode_extended_full_viewing_key, decode_extended_spending_key,
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};
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use zcash_params::coin::{get_coin_id, CoinType};
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use zcash_primitives::consensus::{Network, Parameters};
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fn main() -> anyhow::Result<()> {
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let matches = Command::new("Cold wallet Signer CLI")
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.version("1.0")
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.arg(Arg::new("coin").short('c').long("coin").takes_value(true))
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.arg(
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Arg::new("tx_filename")
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.short('t')
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.long("tx")
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.takes_value(true),
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)
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.arg(
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Arg::new("out_filename")
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.short('o')
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.long("out")
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.takes_value(true),
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)
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.get_matches();
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let coin = matches.value_of("coin").expect("coin argument missing");
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let tx_filename = matches
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.value_of("tx_filename")
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.expect("input filename missing");
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let out_filename = matches
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.value_of("out_filename")
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.expect("output filename missing");
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let tx_plan = fs::read_to_string(tx_filename).expect("Should have been able to read the file");
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let tx_plan: TransactionPlan = serde_json::from_str(&tx_plan)?;
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let (coin_type, network) = match coin {
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"zcash" => (CoinType::Zcash, Network::MainNetwork),
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"ycash" => (CoinType::Ycash, Network::YCashMainNetwork),
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_ => panic!("Invalid coin"),
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};
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let key = dotenv::var("KEY").unwrap();
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let index = u32::from_str(&dotenv::var("INDEX").unwrap_or_else(|_| "0".to_string())).unwrap();
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let coin = get_coin_id(coin_type);
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let (seed, sk, fvk, _pa, _ofvk) = decode_key(coin, &key, index)?;
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let seed = seed.unwrap();
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let fvk =
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decode_extended_full_viewing_key(network.hrp_sapling_extended_full_viewing_key(), &fvk)
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.unwrap()
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.to_diversifiable_full_viewing_key();
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let tx_plan_fvk = decode_extended_full_viewing_key(
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network.hrp_sapling_extended_full_viewing_key(),
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&tx_plan.fvk,
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)
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.unwrap()
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.to_diversifiable_full_viewing_key();
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if fvk.to_bytes() != tx_plan_fvk.to_bytes() {
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return Err(anyhow::anyhow!("Account does not match transaction"));
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}
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let bip44_path = format!("m/44'/{}'/0'/0/{}", network.coin_type(), index);
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let (tsk, _address) = derive_tkeys(&network, &seed, &bip44_path)?;
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let transparent_sk = SecretKey::from_str(&tsk).unwrap();
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let sapling_sk = sk.unwrap();
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let sapling_sk =
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decode_extended_spending_key(network.hrp_sapling_extended_spending_key(), &sapling_sk)
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.unwrap();
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let ob = derive_orchard_keys(network.coin_type(), &seed, index);
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let orchard_sk = ob.sk.map(|sk| SpendingKey::from_bytes(sk).unwrap());
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let keys = SecretKeys {
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transparent: Some(transparent_sk),
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sapling: Some(sapling_sk),
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orchard: orchard_sk,
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};
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let tx = build_tx(&network, &keys, &tx_plan, OsRng)?;
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fs::write(out_filename, hex::encode(&tx))?;
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Ok(())
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}
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