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silent payments: file-backed wallet store #60

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Merged
rustaceanrob merged 2 commits into from
Jun 1, 2026
Merged

silent payments: file-backed wallet store #60

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5ba2cfb
wallet: add file persistence for Wallet
pzafonte May 30, 2026
db81e60
node: persist wallet to disk on every change
pzafonte May 30, 2026
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2 changes: 2 additions & 0 deletions crates/wallet/src/silentpayments/mod.rs
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Original file line number Diff line number Diff line change
@@ -1,12 +1,14 @@
mod keys_file;
mod scanning;
mod wallet;
mod wallet_store;

pub use ::silentpayments::receiving::{Label, Receiver};
pub use ::silentpayments::{Network, SilentPaymentAddress};
pub use keys_file::{SilentPaymentKeysFile, SpendKey};
pub use scanning::{scan_transaction, InputData};
pub use wallet::{Coin, HistoryEntry, SilentPaymentKeys, SpentBy, Wallet};
pub use wallet_store::{WalletPersistenceError, WalletStore, WalletStoreError};

use bitcoin::secp256k1::{self, PublicKey, SecretKey};

Expand Down
2 changes: 1 addition & 1 deletion crates/wallet/src/silentpayments/scanning.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -141,7 +141,7 @@ pub(crate) fn scan_block_inner(
value: out.value,
script_pubkey: out.script_pubkey.clone(),
tweak,
label,
label: label.map(|l| l.into_inner()),
block_height,
spent_by: None,
},
Expand Down
24 changes: 19 additions & 5 deletions crates/wallet/src/silentpayments/wallet.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,26 +8,26 @@ use bitcoin::{hashes::Hash, Amount, OutPoint, ScriptBuf, Txid};
use bitcoinkernel::prelude::{TransactionExt, TxInExt, TxOutPointExt, TxidExt};

use crate::silentpayments::scanning::scan_block_inner;
use crate::silentpayments::{build_receiver, Label, Network, Receiver};
use crate::silentpayments::{build_receiver, Network, Receiver};

#[derive(Debug)]
pub struct SilentPaymentKeys {
pub receiver: Receiver,
pub scan_key: SecretKey,
}

#[derive(Debug, Clone)]
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct SpentBy {
pub txid: Txid,
pub block_height: u32,
}

#[derive(Debug, Clone)]
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Coin {
pub value: Amount,
pub script_pubkey: ScriptBuf,
pub tweak: Scalar,
pub label: Option<Label>,
pub label: Option<Scalar>,
pub block_height: u32,
pub spent_by: Option<SpentBy>,
}
Expand Down Expand Up @@ -82,7 +82,7 @@ pub struct Wallet {
pub keys: Option<SilentPaymentKeys>,
pub spend_key: Option<PublicKey>,
pub network: Network,
utxos: HashMap<OutPoint, Coin>,
pub(crate) utxos: HashMap<OutPoint, Coin>,
}

impl Wallet {
Expand All @@ -96,6 +96,20 @@ impl Wallet {
}
}

pub(crate) fn from_parts(
scan_height: u32,
network: Network,
utxos: HashMap<OutPoint, Coin>,
) -> Self {
Self {
scan_height,
keys: None,
spend_key: None,
network,
utxos,
}
}

pub fn import_keys(
&mut self,
scan_key: SecretKey,
Expand Down
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