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Remove processes cache

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This commit is contained in:
Sosthene 2025-08-20 13:01:55 +02:00
parent cd371ac580
commit 5840ba0378
1 changed files with 84 additions and 130 deletions
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214
src/api.rs
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@ -23,7 +23,7 @@ use sdk_common::aes_gcm::aead::{Aead, Payload};
use sdk_common::crypto::{
decrypt_with_key, encrypt_with_key, generate_key, verify_merkle_proof, AeadCore, Aes256Gcm, AnkSharedSecretHash, KeyInit, AAD
};
use sdk_common::process::{check_tx_for_process_updates, lock_processes, Process, ProcessState};
use sdk_common::process::{Process, ProcessState};
use sdk_common::serialization::{OutPointMemberMap, OutPointProcessMap};
use sdk_common::signature::{AnkHash, AnkMessageHash, AnkValidationNoHash, AnkValidationYesHash, Proof};
use sdk_common::sp_client::bitcoin::blockdata::fee_rate;
@ -346,65 +346,6 @@ pub fn dump_wallet() -> ApiResult<String> {
Ok(serde_json::to_string(device.get_sp_client()).unwrap())
}
#[wasm_bindgen]
pub fn reset_process_cache() -> ApiResult<()> {
let mut cached_processes = lock_processes()?;
*cached_processes = HashMap::new();
debug_assert!(cached_processes.is_empty());
Ok(())
}
#[wasm_bindgen]
pub fn dump_process_cache() -> ApiResult<String> {
let cached_processes = lock_processes()?;
let serializable_cache = cached_processes
.iter()
.map(|(outpoint, process)| {
(
outpoint.to_string(),
serde_json::to_value(&process).unwrap(),
)
})
.collect::<serde_json::Map<String, Value>>();
let json_string = serde_json::to_string(&serializable_cache)
.map_err(|e| ApiError::new(format!("Failed to serialize process cache: {}", e)))?;
Ok(json_string)
}
#[wasm_bindgen]
pub fn set_process_cache(processes: JsValue) -> ApiResult<()> {
let parsed_processes: HashMap<OutPoint, Process> = serde_wasm_bindgen::from_value(processes)?;
let mut cached_processes = lock_processes()?;
if !cached_processes.is_empty() {
// Don't overwrite processes in memory
return Err(ApiError::new("Processes cache is not empty".to_owned()));
}
*cached_processes = parsed_processes;
Ok(())
}
#[wasm_bindgen]
pub fn add_to_process_cache(process_id: String, process: String) -> ApiResult<()> {
let process_id = OutPoint::from_str(&process_id)?;
let process: Process = serde_json::from_str(&process)?;
let mut cached_processes = lock_processes()?;
cached_processes.insert(process_id, process);
Ok(())
}
#[wasm_bindgen]
pub fn reset_shared_secrets() -> ApiResult<()> {
let mut shared_secrets = lock_shared_secrets()?;
@ -467,7 +408,6 @@ pub fn reset_device() -> ApiResult<()> {
*device = Device::default();
reset_shared_secrets()?;
reset_process_cache()?;
Ok(())
}
@ -479,6 +419,60 @@ pub fn get_txid(transaction: String) -> ApiResult<String> {
Ok(tx.txid().to_string())
}
#[wasm_bindgen]
pub fn get_prevouts(transaction: String) -> ApiResult<Vec<String>> {
let tx: Transaction = deserialize(&Vec::from_hex(&transaction)?)?;
Ok(tx.input.iter().map(|input| input.previous_output.to_string()).collect())
}
#[wasm_bindgen]
pub fn get_opreturn(transaction: String) -> ApiResult<String> {
let tx: Transaction = deserialize(&Vec::from_hex(&transaction)?)?;
let op_return_outputs: Vec<_> = tx
.output
.iter()
.filter(|o| o.script_pubkey.is_op_return())
.collect();
if op_return_outputs.len() != 1 {
return Err(ApiError::new(
"Transaction must contain exactly one op_return output".to_owned(),
));
}
let data = &op_return_outputs
.into_iter()
.next()
.unwrap()
.script_pubkey
.as_bytes()[2..];
if data.len() != 32 {
return Err(ApiError::new("commited data is not 32B long".to_owned()));
}
Ok(data.to_lower_hex_string())
}
#[wasm_bindgen]
pub fn process_commit_new_state(mut process: Process, state_id: String, new_tip: String) -> ApiResult<Process> {
let state_id_array: [u8; 32] = Vec::from_hex(&state_id)?.try_into().unwrap();
let new_state: ProcessState;
if let Ok(commited_state) = process.get_state_for_id(&state_id_array) {
new_state = commited_state.clone();
} else {
new_state = ProcessState {
commited_in: process.get_process_tip()?,
state_id: state_id_array,
..Default::default()
};
}
process.remove_all_concurrent_states()?;
process.insert_concurrent_state(new_state)?;
process.update_states_tip(OutPoint::from_str(&new_tip)?)?;
Ok(process)
}
fn handle_transaction(
updated: HashMap<OutPoint, OwnedOutput>,
tx: &Transaction,
@ -494,27 +488,12 @@ fn handle_transaction(
local_member = local_device.to_member();
}
let op_return: Vec<&sdk_common::sp_client::bitcoin::TxOut> = tx
.output
.iter()
.filter(|o| o.script_pubkey.is_op_return())
.collect();
if op_return.len() != 1 {
return Err(AnyhowError::msg(
"Transaction must have exactly one op_return output",
));
}
let commitment =
AnkPrdHash::from_slice(&op_return.first().unwrap().script_pubkey.as_bytes()[2..])?;
// Basically a transaction that destroyed utxo is a transaction we sent.
let utxo_destroyed: HashMap<&OutPoint, &OwnedOutput> = updated
.iter()
.filter(|(outpoint, output)| output.spend_status != OutputSpendStatus::Unspent)
.collect();
let mut shared_secrets = lock_shared_secrets()?;
// empty utxo_destroyed means we received this transaction
if utxo_destroyed.is_empty() {
let shared_point = sp_utils::receiving::calculate_ecdh_shared_secret(
@ -523,10 +502,12 @@ fn handle_transaction(
);
let shared_secret = AnkSharedSecretHash::from_shared_point(shared_point);
let mut shared_secrets = lock_shared_secrets()?;
// We keep the shared_secret as unconfirmed
shared_secrets.add_unconfirmed_secret(shared_secret);
// We also return it
// We also return it for permanent storage
let mut new_secret = SecretsStore::new();
new_secret.add_unconfirmed_secret(shared_secret);
@ -564,29 +545,6 @@ fn process_transaction(
) -> anyhow::Result<ApiReturn> {
let tx = deserialize::<Transaction>(&Vec::from_hex(&tx_hex)?)?;
// Before anything, check if this transaction spends the tip of a process we know about
match check_tx_for_process_updates(&tx) {
Ok(outpoint) => {
let processes = lock_processes()?;
let process = processes.get(&outpoint).unwrap();
let new_state = process.get_latest_commited_state().unwrap();
let diffs = if let Ok(diffs) = create_diffs(&lock_local_device()?, process, new_state, members_list) { diffs } else { vec![] };
let updated_process = UpdatedProcess {
process_id: outpoint,
current_process: process.clone(),
diffs,
..Default::default()
};
let api_return = ApiReturn {
updated_process: Some(updated_process),
..Default::default()
};
debug!("Found an update for process {:?}", api_return.updated_process.as_ref().unwrap().process_id);
return Ok(api_return);
}
Err(e) => debug!("Failed to find process update: {}", e)
}
let tweak_data = PublicKey::from_str(&tweak_data_hex)?;
let updated: HashMap<OutPoint, OwnedOutput>;
@ -597,9 +555,12 @@ fn process_transaction(
if updated.len() > 0 {
return handle_transaction(updated, &tx, tweak_data);
} else {
log::debug!("Transaction is not ours");
return Ok(ApiReturn {
..Default::default()
});
}
Err(anyhow::Error::msg("Transaction is not our"))
}
#[wasm_bindgen]
@ -608,7 +569,7 @@ pub fn parse_new_tx(new_tx_msg: String, block_height: u32, members_list: OutPoin
if let Some(error) = new_tx.error {
return Err(ApiError::new(format!(
"NewTx returned with an error: {}",
"NewTx message returned with an error: {}",
error
)));
}
@ -742,6 +703,7 @@ fn handle_prd(
prd: Prd,
secret: AnkSharedSecretHash,
members_list: &OutPointMemberMap,
processes: &OutPointProcessMap
) -> AnyhowResult<ApiReturn> {
debug!("handle_prd: {:#?}", prd);
// Connect is a bit different here because there's no associated process
@ -752,13 +714,10 @@ fn handle_prd(
let outpoint = prd.process_id;
let mut processes = lock_processes()?;
let relevant_process = match processes.entry(outpoint) {
std::collections::hash_map::Entry::Occupied(entry) => entry.into_mut(),
std::collections::hash_map::Entry::Vacant(entry) => {
debug!("Creating new process for outpoint: {}", outpoint);
entry.insert(Process::new(outpoint))
}
let mut relevant_process: Process = if let Some(relevant_process) = processes.0.get(&outpoint) {
relevant_process.clone()
} else {
Process::new(outpoint)
};
match prd.prd_type {
@ -972,18 +931,19 @@ fn handle_prd(
fn handle_decrypted_message(
secret: AnkSharedSecretHash,
plain: Vec<u8>,
members_list: &OutPointMemberMap
members_list: &OutPointMemberMap,
processes: &OutPointProcessMap
) -> anyhow::Result<ApiReturn> {
let local_address: SilentPaymentAddress = lock_local_device()?.get_address();
if let Ok(prd) = Prd::extract_from_message(&plain, local_address) {
handle_prd(prd, secret, members_list)
handle_prd(prd, secret, members_list, processes)
} else {
Err(anyhow::Error::msg("Failed to handle decrypted message"))
}
}
#[wasm_bindgen]
pub fn parse_cipher(cipher_msg: String, members_list: OutPointMemberMap) -> ApiResult<ApiReturn> {
pub fn parse_cipher(cipher_msg: String, members_list: OutPointMemberMap, processes: OutPointProcessMap) -> ApiResult<ApiReturn> {
// Check that the cipher is not empty or too long
if cipher_msg.is_empty() || cipher_msg.len() > MAX_PRD_PAYLOAD_SIZE {
return Err(ApiError::new(
@ -995,7 +955,7 @@ pub fn parse_cipher(cipher_msg: String, members_list: OutPointMemberMap) -> ApiR
let decrypt_res = lock_shared_secrets()?.try_decrypt(&cipher);
if let Ok((secret, plain)) = decrypt_res {
return handle_decrypted_message(secret, plain, &members_list)
return handle_decrypted_message(secret, plain, &members_list, &processes)
.map_err(|e| ApiError::new(format!("Failed to handle decrypted message: {}", e)));
}
@ -1197,15 +1157,6 @@ pub fn create_new_process(
process.insert_concurrent_state(new_state.clone())?;
{
let mut processes = lock_processes()?;
// If we already have an entry with this outpoint, something's wrong
if processes.contains_key(&process_id) {
return Err(ApiError::new("There's already a process for this outpoint".to_owned()));
}
processes.insert(process_id, process.clone());
}
let commit_msg = CommitMessage::new(
process_id,
pcd_commitment,
@ -1287,13 +1238,6 @@ pub fn update_process(
// Add the new state to the process
process.insert_concurrent_state(new_state.clone())?;
{
// save the process to wasm memory
let mut processes = lock_processes()?;
// To keep it simple, assume that db is true and replace what we have in memory
processes.insert(process_id, process.clone());
}
let updated_process = UpdatedProcess {
process_id,
current_process: process,
@ -1740,6 +1684,16 @@ pub fn hash_value(value: JsValue, commited_in: String, label: String) -> ApiResu
Ok(hash.as_byte_array().to_lower_hex_string())
}
#[wasm_bindgen]
pub async fn scan_blocks_async(n_blocks_to_scan: u32, blindbit_url: String, tip_height: u32, with_cutthrough: bool) -> ApiResult<()> {
match scan_blocks(n_blocks_to_scan, &blindbit_url, tip_height, with_cutthrough).await {
Ok(()) => Ok(()),
Err(e) => Err(ApiError::new(
format!("Scan failed: {}", e)
))
}
}
#[derive(Tsify, Serialize, Deserialize)]
#[tsify(into_wasm_abi, from_wasm_abi)]
#[allow(non_camel_case_types)]