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[keys] Add a way to restrict the networks in which keys are valid

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Thanks to the `ToWalletDescriptor` trait we can also very easily validate the checksum
for descriptors that are loaded from strings, if they contain one. Fixes #20.
This commit is contained in:
Alekos Filini
2020-09-21 15:44:07 +02:00
parent bc8acaf088
commit c51ba4a99f
8 changed files with 405 additions and 141 deletions
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8
src/wallet/mod.rs
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@@ -113,7 +113,7 @@ where
network: Network,
mut database: D,
) -> Result<Self, Error> {
let (descriptor, keymap) = descriptor.to_wallet_descriptor()?;
let (descriptor, keymap) = descriptor.to_wallet_descriptor(network)?;
database.check_descriptor_checksum(
ScriptType::External,
get_checksum(&descriptor.to_string())?.as_bytes(),
@@ -121,7 +121,7 @@ where
let signers = Arc::new(SignersContainer::from(keymap));
let (change_descriptor, change_signers) = match change_descriptor {
Some(desc) => {
let (change_descriptor, change_keymap) = desc.to_wallet_descriptor()?;
let (change_descriptor, change_keymap) = desc.to_wallet_descriptor(network)?;
database.check_descriptor_checksum(
ScriptType::Internal,
get_checksum(&change_descriptor.to_string())?.as_bytes(),
@@ -1737,7 +1737,7 @@ mod test {
use bitcoin::util::bip32::{DerivationPath, Fingerprint};
use std::str::FromStr;
let (wallet, _, _) = get_funded_wallet("wpkh([d34db33f/44'/0'/0']xpub6ERApfZwUNrhLCkDtcHTcxd75RbzS1ed54G1LkBUHQVHQKqhMkhgbmJbZRkrgZw4koxb5JaHWkY4ALHY2grBGRjaDMzQLcgJvLJuZZvRcEL/0/*)");
let (wallet, _, _) = get_funded_wallet("wpkh([d34db33f/44'/0'/0']tpubDEnoLuPdBep9bzw5LoGYpsxUQYheRQ9gcgrJhJEcdKFB9cWQRyYmkCyRoTqeD4tJYiVVgt6A3rN6rWn9RYhR9sBsGxji29LYWHuKKbdb1ev/0/*)");
let addr = wallet.get_new_address().unwrap();
let (psbt, _) = wallet
.create_tx(TxBuilder::with_recipients(vec![(addr.script_pubkey(), 0)]).send_all())
@@ -1758,7 +1758,7 @@ mod test {
use bitcoin::util::bip32::{DerivationPath, Fingerprint};
use std::str::FromStr;
let (wallet, descriptors, _) = get_funded_wallet("wpkh([d34db33f/44'/0'/0']xpub6ERApfZwUNrhLCkDtcHTcxd75RbzS1ed54G1LkBUHQVHQKqhMkhgbmJbZRkrgZw4koxb5JaHWkY4ALHY2grBGRjaDMzQLcgJvLJuZZvRcEL/0/*)");
let (wallet, descriptors, _) = get_funded_wallet("wpkh([d34db33f/44'/0'/0']tpubDEnoLuPdBep9bzw5LoGYpsxUQYheRQ9gcgrJhJEcdKFB9cWQRyYmkCyRoTqeD4tJYiVVgt6A3rN6rWn9RYhR9sBsGxji29LYWHuKKbdb1ev/0/*)");
// cache some addresses
wallet.get_new_address().unwrap();