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refactor(wallet)!: Make Wallet require a change descriptor

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All `Wallet` constructors are modified to require a change
descriptor, where previously it was optional. Additionally
we enforce uniqueness of the change descriptor to avoid
ambiguity when deriving scripts and ensure the wallet will
always have two distinct keystores.

Notable changes

* Add error DescriptorError::ExternalAndInternalAreTheSame
* Remove error CreateTxError::ChangePolicyDescriptor
* No longer rely on `map_keychain`
This commit is contained in:
valued mammal committed 2024-06-05 06:29:52 -04:00
1 parent 8eef350bd0
commit 9d954cf7d2
16 files changed
+393 -341
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crates/wallet/README.md
+2 -1
View File
@@ -74,7 +74,8 @@ fn main() {
let db = bdk_file_store::Store::<ChangeSet>::open_or_create_new(b"magic_bytes", "path/to/my_wallet.db").expect("create store");
let descriptor = "wpkh(tprv8ZgxMBicQKsPdcAqYBpzAFwU5yxBUo88ggoBqu1qPcHUfSbKK1sKMLmC7EAk438btHQrSdu3jGGQa6PA71nvH5nkDexhLteJqkM4dQmWF9g/84'/1'/0'/0/*)";
let mut wallet = Wallet::new_or_load(descriptor, None, db, Network::Testnet).expect("create or load wallet");
let change_descriptor = "wpkh(tprv8ZgxMBicQKsPdcAqYBpzAFwU5yxBUo88ggoBqu1qPcHUfSbKK1sKMLmC7EAk438btHQrSdu3jGGQa6PA71nvH5nkDexhLteJqkM4dQmWF9g/84'/1'/0'/1/*)";
let mut wallet = Wallet::new_or_load(descriptor, change_descriptor, db, Network::Testnet).expect("create or load wallet");
// Insert a single `TxOut` at `OutPoint` into the wallet.
let _ = wallet.insert_txout(outpoint, txout);