54 lines
1.7 KiB
Rust
54 lines
1.7 KiB
Rust
use anyhow::Result;
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use std::fs::File;
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use std::io::{BufRead, BufReader};
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use zcash_client_backend::encoding::encode_extended_spending_key;
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use zcash_primitives::consensus::Network::MainNetwork;
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use zcash_primitives::consensus::Parameters;
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use zcash_primitives::zip32::ExtendedSpendingKey;
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fn main() -> Result<()> {
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env_logger::init();
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dotenv::dotenv()?;
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let wallet_dump_path = dotenv::var("WALLET_DUMP_PATH")?;
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let file = File::open(&wallet_dump_path)?;
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let reader = BufReader::new(file);
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let mut started = false;
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let mut key = String::new();
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let mut next_line_is_key = true;
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for (_i, line) in reader.lines().enumerate() {
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let ln = line?.trim_start().to_string();
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if ln == "HEADER=END" {
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started = true;
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next_line_is_key = true;
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continue;
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} // skip header
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if !started {
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continue;
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}
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if ln == "DATA=END" {
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break;
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} // stop at data end
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if next_line_is_key {
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let k = hex::decode(ln).unwrap();
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let len = k[0] as usize;
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key = String::from_utf8_lossy(&k[1..=len]).to_string(); // collect key name
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} else {
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let value = ln;
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if key == "sapzkey" {
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let sapkey = hex::decode(value).unwrap(); // export secret key
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let s = ExtendedSpendingKey::read(&*sapkey).unwrap();
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println!(
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"{}",
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encode_extended_spending_key(
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MainNetwork.hrp_sapling_extended_spending_key(),
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&s
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)
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);
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}
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}
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next_line_is_key = !next_line_is_key;
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}
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Ok(())
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}
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