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index.rs
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index.rs
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use {
self::{
entry::{
BlockHashValue, Entry, InscriptionEntry, InscriptionEntryValue, InscriptionIdValue,
OutPointValue, SatPointValue, SatRange,
},
updater::Updater,
},
super::*,
crate::wallet::Wallet,
bitcoin::block::Header,
bitcoincore_rpc::{json::GetBlockHeaderResult, Client},
chrono::SubsecRound,
indicatif::{ProgressBar, ProgressStyle},
log::log_enabled,
redb::{
Database, MultimapTable, MultimapTableDefinition, ReadableMultimapTable, ReadableTable, Table,
TableDefinition, WriteTransaction,
},
std::collections::HashMap,
std::io::{BufWriter, Read, Write},
std::sync::atomic::{self, AtomicBool},
};
mod entry;
mod fetcher;
mod rtx;
mod updater;
const SCHEMA_VERSION: u64 = 5;
macro_rules! define_table {
($name:ident, $key:ty, $value:ty) => {
const $name: TableDefinition<$key, $value> = TableDefinition::new(stringify!($name));
};
}
macro_rules! define_multimap_table {
($name:ident, $key:ty, $value:ty) => {
const $name: MultimapTableDefinition<$key, $value> =
MultimapTableDefinition::new(stringify!($name));
};
}
define_table! { HEIGHT_TO_BLOCK_HASH, u64, &BlockHashValue }
define_table! { INSCRIPTION_ID_TO_INSCRIPTION_ENTRY, &InscriptionIdValue, InscriptionEntryValue }
define_table! { INSCRIPTION_ID_TO_SATPOINT, &InscriptionIdValue, &SatPointValue }
define_table! { INSCRIPTION_NUMBER_TO_INSCRIPTION_ID, i64, &InscriptionIdValue }
define_table! { OUTPOINT_TO_SAT_RANGES, &OutPointValue, &[u8] }
define_table! { OUTPOINT_TO_VALUE, &OutPointValue, u64}
define_table! { REINSCRIPTION_ID_TO_SEQUENCE_NUMBER, &InscriptionIdValue, u64 }
define_multimap_table! { SATPOINT_TO_INSCRIPTION_ID, &SatPointValue, &InscriptionIdValue }
define_multimap_table! { SAT_TO_INSCRIPTION_ID, u64, &InscriptionIdValue }
define_table! { SAT_TO_SATPOINT, u64, &SatPointValue }
define_table! { STATISTIC_TO_COUNT, u64, u64 }
define_table! { WRITE_TRANSACTION_STARTING_BLOCK_COUNT_TO_TIMESTAMP, u64, u128 }
pub(crate) struct Index {
client: Client,
database: Database,
path: PathBuf,
first_inscription_height: u64,
genesis_block_coinbase_transaction: Transaction,
genesis_block_coinbase_txid: Txid,
height_limit: Option<u64>,
options: Options,
reorged: AtomicBool,
}
#[derive(Debug, PartialEq)]
pub(crate) enum List {
Spent,
Unspent(Vec<(u64, u64)>),
}
#[derive(Copy, Clone)]
#[repr(u64)]
pub(crate) enum Statistic {
Schema = 0,
Commits = 1,
LostSats = 2,
OutputsTraversed = 3,
SatRanges = 4,
UnboundInscriptions = 5,
}
impl Statistic {
fn key(self) -> u64 {
self.into()
}
}
impl From<Statistic> for u64 {
fn from(statistic: Statistic) -> Self {
statistic as u64
}
}
#[derive(Serialize)]
pub(crate) struct Info {
pub(crate) blocks_indexed: u64,
pub(crate) branch_pages: u64,
pub(crate) fragmented_bytes: u64,
pub(crate) index_file_size: u64,
pub(crate) index_path: PathBuf,
pub(crate) leaf_pages: u64,
pub(crate) metadata_bytes: u64,
pub(crate) outputs_traversed: u64,
pub(crate) page_size: usize,
pub(crate) sat_ranges: u64,
pub(crate) stored_bytes: u64,
pub(crate) transactions: Vec<TransactionInfo>,
pub(crate) tree_height: u32,
pub(crate) utxos_indexed: u64,
}
#[derive(Serialize)]
pub(crate) struct TransactionInfo {
pub(crate) starting_block_count: u64,
pub(crate) starting_timestamp: u128,
}
trait BitcoinCoreRpcResultExt<T> {
fn into_option(self) -> Result<Option<T>>;
}
impl<T> BitcoinCoreRpcResultExt<T> for Result<T, bitcoincore_rpc::Error> {
fn into_option(self) -> Result<Option<T>> {
match self {
Ok(ok) => Ok(Some(ok)),
Err(bitcoincore_rpc::Error::JsonRpc(bitcoincore_rpc::jsonrpc::error::Error::Rpc(
bitcoincore_rpc::jsonrpc::error::RpcError { code: -8, .. },
))) => Ok(None),
Err(bitcoincore_rpc::Error::JsonRpc(bitcoincore_rpc::jsonrpc::error::Error::Rpc(
bitcoincore_rpc::jsonrpc::error::RpcError { message, .. },
)))
if message.ends_with("not found") =>
{
Ok(None)
}
Err(err) => Err(err.into()),
}
}
}
impl Index {
pub(crate) fn open(options: &Options) -> Result<Self> {
let client = options.bitcoin_rpc_client()?;
let path = if let Some(path) = &options.index {
path.clone()
} else {
options.data_dir()?.join("index.redb")
};
if let Err(err) = fs::create_dir_all(path.parent().unwrap()) {
bail!(
"failed to create data dir `{}`: {err}",
path.parent().unwrap().display()
);
}
let db_cache_size = match options.db_cache_size {
Some(db_cache_size) => db_cache_size,
None => {
let mut sys = System::new();
sys.refresh_memory();
usize::try_from(sys.total_memory() / 4)?
}
};
if let Ok(mut file) = fs::OpenOptions::new().read(true).open(&path) {
// use cberner's quick hack to check the redb recovery bit
// https://github.com/cberner/redb/issues/639#issuecomment-1628037591
const MAGICNUMBER: [u8; 9] = [b'r', b'e', b'd', b'b', 0x1A, 0x0A, 0xA9, 0x0D, 0x0A];
const RECOVERY_REQUIRED: u8 = 2;
let mut buffer = [0; MAGICNUMBER.len() + 1];
file.read_exact(&mut buffer).unwrap();
if buffer[MAGICNUMBER.len()] & RECOVERY_REQUIRED != 0 {
println!("Index file {:?} needs recovery. This can take a long time, especially for the --index-sats index.", path);
}
}
log::info!("Setting DB cache size to {} bytes", db_cache_size);
let database = match Database::builder()
.set_cache_size(db_cache_size)
.open(&path)
{
Ok(database) => {
let schema_version = database
.begin_read()?
.open_table(STATISTIC_TO_COUNT)?
.get(&Statistic::Schema.key())?
.map(|x| x.value())
.unwrap_or(0);
match schema_version.cmp(&SCHEMA_VERSION) {
cmp::Ordering::Less =>
bail!(
"index at `{}` appears to have been built with an older, incompatible version of ord, consider deleting and rebuilding the index: index schema {schema_version}, ord schema {SCHEMA_VERSION}",
path.display()
),
cmp::Ordering::Greater =>
bail!(
"index at `{}` appears to have been built with a newer, incompatible version of ord, consider updating ord: index schema {schema_version}, ord schema {SCHEMA_VERSION}",
path.display()
),
cmp::Ordering::Equal => {
}
}
database
}
Err(_) => {
let database = Database::builder()
.set_cache_size(db_cache_size)
.create(&path)?;
let mut tx = database.begin_write()?;
if cfg!(test) {
tx.set_durability(redb::Durability::None);
} else {
tx.set_durability(redb::Durability::Immediate);
};
tx.open_table(HEIGHT_TO_BLOCK_HASH)?;
tx.open_table(INSCRIPTION_ID_TO_INSCRIPTION_ENTRY)?;
tx.open_table(INSCRIPTION_ID_TO_SATPOINT)?;
tx.open_table(INSCRIPTION_NUMBER_TO_INSCRIPTION_ID)?;
tx.open_table(OUTPOINT_TO_VALUE)?;
tx.open_table(REINSCRIPTION_ID_TO_SEQUENCE_NUMBER)?;
tx.open_multimap_table(SATPOINT_TO_INSCRIPTION_ID)?;
tx.open_multimap_table(SAT_TO_INSCRIPTION_ID)?;
tx.open_table(SAT_TO_SATPOINT)?;
tx.open_table(WRITE_TRANSACTION_STARTING_BLOCK_COUNT_TO_TIMESTAMP)?;
tx.open_table(STATISTIC_TO_COUNT)?
.insert(&Statistic::Schema.key(), &SCHEMA_VERSION)?;
if options.index_sats {
tx.open_table(OUTPOINT_TO_SAT_RANGES)?
.insert(&OutPoint::null().store(), [].as_slice())?;
}
tx.commit()?;
database
}
};
let genesis_block_coinbase_transaction =
options.chain().genesis_block().coinbase().unwrap().clone();
Ok(Self {
genesis_block_coinbase_txid: genesis_block_coinbase_transaction.txid(),
client,
database,
path,
first_inscription_height: options.first_inscription_height(),
genesis_block_coinbase_transaction,
height_limit: options.height_limit,
reorged: AtomicBool::new(false),
options: options.clone(),
})
}
pub(crate) fn get_unspent_outputs(&self, _wallet: Wallet) -> Result<BTreeMap<OutPoint, Amount>> {
let mut utxos = BTreeMap::new();
utxos.extend(
self
.client
.list_unspent(None, None, None, None, None)?
.into_iter()
.map(|utxo| {
let outpoint = OutPoint::new(utxo.txid, utxo.vout);
let amount = utxo.amount;
(outpoint, amount)
}),
);
#[derive(Deserialize)]
pub(crate) struct JsonOutPoint {
txid: bitcoin::Txid,
vout: u32,
}
for JsonOutPoint { txid, vout } in self
.client
.call::<Vec<JsonOutPoint>>("listlockunspent", &[])?
{
utxos.insert(
OutPoint { txid, vout },
Amount::from_sat(self.client.get_raw_transaction(&txid, None)?.output[vout as usize].value),
);
}
let rtx = self.database.begin_read()?;
let outpoint_to_value = rtx.open_table(OUTPOINT_TO_VALUE)?;
for outpoint in utxos.keys() {
if outpoint_to_value.get(&outpoint.store())?.is_none() {
return Err(anyhow!(
"output in Bitcoin Core wallet but not in ord index: {outpoint}"
));
}
}
Ok(utxos)
}
pub(crate) fn get_unspent_output_ranges(
&self,
wallet: Wallet,
) -> Result<Vec<(OutPoint, Vec<(u64, u64)>)>> {
self
.get_unspent_outputs(wallet)?
.into_keys()
.map(|outpoint| match self.list(outpoint)? {
Some(List::Unspent(sat_ranges)) => Ok((outpoint, sat_ranges)),
Some(List::Spent) => bail!("output {outpoint} in wallet but is spent according to index"),
None => bail!("index has not seen {outpoint}"),
})
.collect()
}
pub(crate) fn has_sat_index(&self) -> Result<bool> {
match self.begin_read()?.0.open_table(OUTPOINT_TO_SAT_RANGES) {
Ok(_) => Ok(true),
Err(redb::TableError::TableDoesNotExist(_)) => Ok(false),
Err(err) => Err(err.into()),
}
}
fn require_sat_index(&self, feature: &str) -> Result {
if !self.has_sat_index()? {
bail!("{feature} requires index created with `--index-sats` flag")
}
Ok(())
}
pub(crate) fn info(&self) -> Result<Info> {
let wtx = self.begin_write()?;
let stats = wtx.stats()?;
let info = {
let statistic_to_count = wtx.open_table(STATISTIC_TO_COUNT)?;
let sat_ranges = statistic_to_count
.get(&Statistic::SatRanges.key())?
.map(|x| x.value())
.unwrap_or(0);
let outputs_traversed = statistic_to_count
.get(&Statistic::OutputsTraversed.key())?
.map(|x| x.value())
.unwrap_or(0);
Info {
index_path: self.path.clone(),
blocks_indexed: wtx
.open_table(HEIGHT_TO_BLOCK_HASH)?
.range(0..)?
.next_back()
.and_then(|result| result.ok())
.map(|(height, _hash)| height.value() + 1)
.unwrap_or(0),
branch_pages: stats.branch_pages(),
fragmented_bytes: stats.fragmented_bytes(),
index_file_size: fs::metadata(&self.path)?.len(),
leaf_pages: stats.leaf_pages(),
metadata_bytes: stats.metadata_bytes(),
sat_ranges,
outputs_traversed,
page_size: stats.page_size(),
stored_bytes: stats.stored_bytes(),
transactions: wtx
.open_table(WRITE_TRANSACTION_STARTING_BLOCK_COUNT_TO_TIMESTAMP)?
.range(0..)?
.flat_map(|result| {
result.map(
|(starting_block_count, starting_timestamp)| TransactionInfo {
starting_block_count: starting_block_count.value(),
starting_timestamp: starting_timestamp.value(),
},
)
})
.collect(),
tree_height: stats.tree_height(),
utxos_indexed: wtx.open_table(OUTPOINT_TO_SAT_RANGES)?.len()?,
}
};
Ok(info)
}
pub(crate) fn update(&self) -> Result {
Updater::update(self)
}
pub(crate) fn export(&self, filename: &String, include_addresses: bool) -> Result {
let mut writer = BufWriter::new(File::create(filename)?);
let rtx = self.database.begin_read()?;
let blocks_indexed = rtx
.open_table(HEIGHT_TO_BLOCK_HASH)?
.range(0..)?
.next_back()
.and_then(|result| result.ok())
.map(|(height, _hash)| height.value() + 1)
.unwrap_or(0);
writeln!(writer, "# export at block height {}", blocks_indexed)?;
log::info!("exporting database tables to {filename}");
for result in rtx
.open_table(INSCRIPTION_NUMBER_TO_INSCRIPTION_ID)?
.iter()?
{
let (number, id) = result?;
let inscription_id = InscriptionId::load(*id.value());
let satpoint = self
.get_inscription_satpoint_by_id(inscription_id)?
.unwrap();
write!(
writer,
"{}\t{}\t{}",
number.value(),
inscription_id,
satpoint
)?;
if include_addresses {
let address = if satpoint.outpoint == unbound_outpoint() {
"unbound".to_string()
} else {
let output = self
.get_transaction(satpoint.outpoint.txid)?
.unwrap()
.output
.into_iter()
.nth(satpoint.outpoint.vout.try_into().unwrap())
.unwrap();
self
.options
.chain()
.address_from_script(&output.script_pubkey)
.map(|address| address.to_string())
.unwrap_or_else(|e| e.to_string())
};
write!(writer, "\t{}", address)?;
}
writeln!(writer)?;
if SHUTTING_DOWN.load(atomic::Ordering::Relaxed) {
break;
}
}
writer.flush()?;
Ok(())
}
pub(crate) fn is_json_api_enabled(&self) -> bool {
self.options.enable_json_api
}
pub(crate) fn is_reorged(&self) -> bool {
self.reorged.load(atomic::Ordering::Relaxed)
}
fn begin_read(&self) -> Result<rtx::Rtx> {
Ok(rtx::Rtx(self.database.begin_read()?))
}
fn begin_write(&self) -> Result<WriteTransaction> {
if cfg!(test) {
let mut tx = self.database.begin_write()?;
tx.set_durability(redb::Durability::None);
Ok(tx)
} else {
Ok(self.database.begin_write()?)
}
}
fn increment_statistic(wtx: &WriteTransaction, statistic: Statistic, n: u64) -> Result {
let mut statistic_to_count = wtx.open_table(STATISTIC_TO_COUNT)?;
let value = statistic_to_count
.get(&(statistic.key()))?
.map(|x| x.value())
.unwrap_or(0)
+ n;
statistic_to_count.insert(&statistic.key(), &value)?;
Ok(())
}
#[cfg(test)]
pub(crate) fn statistic(&self, statistic: Statistic) -> u64 {
self
.database
.begin_read()
.unwrap()
.open_table(STATISTIC_TO_COUNT)
.unwrap()
.get(&statistic.key())
.unwrap()
.map(|x| x.value())
.unwrap_or(0)
}
pub(crate) fn block_count(&self) -> Result<u64> {
self.begin_read()?.block_count()
}
pub(crate) fn block_height(&self) -> Result<Option<Height>> {
self.begin_read()?.block_height()
}
pub(crate) fn block_hash(&self, height: Option<u64>) -> Result<Option<BlockHash>> {
self.begin_read()?.block_hash(height)
}
pub(crate) fn blocks(&self, take: usize) -> Result<Vec<(u64, BlockHash)>> {
let mut blocks = Vec::new();
let rtx = self.begin_read()?;
let block_count = rtx.block_count()?;
let height_to_block_hash = rtx.0.open_table(HEIGHT_TO_BLOCK_HASH)?;
for next in height_to_block_hash.range(0..block_count)?.rev().take(take) {
let next = next?;
blocks.push((next.0.value(), Entry::load(*next.1.value())));
}
Ok(blocks)
}
pub(crate) fn rare_sat_satpoints(&self) -> Result<Option<Vec<(Sat, SatPoint)>>> {
if self.has_sat_index()? {
let mut result = Vec::new();
let rtx = self.database.begin_read()?;
let sat_to_satpoint = rtx.open_table(SAT_TO_SATPOINT)?;
for range in sat_to_satpoint.range(0..)? {
let (sat, satpoint) = range?;
result.push((Sat(sat.value()), Entry::load(*satpoint.value())));
}
Ok(Some(result))
} else {
Ok(None)
}
}
pub(crate) fn rare_sat_satpoint(&self, sat: Sat) -> Result<Option<SatPoint>> {
if self.has_sat_index()? {
Ok(
self
.database
.begin_read()?
.open_table(SAT_TO_SATPOINT)?
.get(&sat.n())?
.map(|satpoint| Entry::load(*satpoint.value())),
)
} else {
Ok(None)
}
}
pub(crate) fn block_header(&self, hash: BlockHash) -> Result<Option<Header>> {
self.client.get_block_header(&hash).into_option()
}
pub(crate) fn block_header_info(&self, hash: BlockHash) -> Result<Option<GetBlockHeaderResult>> {
self.client.get_block_header_info(&hash).into_option()
}
pub(crate) fn get_block_by_height(&self, height: u64) -> Result<Option<Block>> {
Ok(
self
.client
.get_block_hash(height)
.into_option()?
.map(|hash| self.client.get_block(&hash))
.transpose()?,
)
}
pub(crate) fn get_block_by_hash(&self, hash: BlockHash) -> Result<Option<Block>> {
self.client.get_block(&hash).into_option()
}
pub(crate) fn get_inscription_ids_by_sat(&self, sat: Sat) -> Result<Vec<InscriptionId>> {
let rtx = &self.database.begin_read()?;
let mut ids = rtx
.open_multimap_table(SAT_TO_INSCRIPTION_ID)?
.get(&sat.n())?
.filter_map(|result| {
result
.ok()
.map(|inscription_id| InscriptionId::load(*inscription_id.value()))
})
.collect::<Vec<InscriptionId>>();
if ids.len() > 1 {
let re_id_to_seq_num = rtx.open_table(REINSCRIPTION_ID_TO_SEQUENCE_NUMBER)?;
ids.sort_by_key(
|inscription_id| match re_id_to_seq_num.get(&inscription_id.store()) {
Ok(Some(num)) => num.value() + 1, // remove at next index refactor
_ => 0,
},
);
}
Ok(ids)
}
pub(crate) fn get_inscription_id_by_inscription_number(
&self,
n: i64,
) -> Result<Option<InscriptionId>> {
Ok(
self
.database
.begin_read()?
.open_table(INSCRIPTION_NUMBER_TO_INSCRIPTION_ID)?
.get(&n)?
.map(|id| Entry::load(*id.value())),
)
}
pub(crate) fn get_inscription_satpoint_by_id(
&self,
inscription_id: InscriptionId,
) -> Result<Option<SatPoint>> {
Ok(
self
.database
.begin_read()?
.open_table(INSCRIPTION_ID_TO_SATPOINT)?
.get(&inscription_id.store())?
.map(|satpoint| Entry::load(*satpoint.value())),
)
}
pub(crate) fn get_inscription_by_id(
&self,
inscription_id: InscriptionId,
) -> Result<Option<Inscription>> {
if self
.database
.begin_read()?
.open_table(INSCRIPTION_ID_TO_SATPOINT)?
.get(&inscription_id.store())?
.is_none()
{
return Ok(None);
}
Ok(self.get_transaction(inscription_id.txid)?.and_then(|tx| {
Inscription::from_transaction(&tx)
.get(inscription_id.index as usize)
.map(|transaction_inscription| transaction_inscription.inscription.clone())
}))
}
pub(crate) fn get_inscriptions_on_output_with_satpoints(
&self,
outpoint: OutPoint,
) -> Result<Vec<(SatPoint, InscriptionId)>> {
let rtx = &self.database.begin_read()?;
let sat_to_id = rtx.open_multimap_table(SATPOINT_TO_INSCRIPTION_ID)?;
let re_id_to_seq_num = rtx.open_table(REINSCRIPTION_ID_TO_SEQUENCE_NUMBER)?;
Self::inscriptions_on_output_ordered(&re_id_to_seq_num, &sat_to_id, outpoint)
}
pub(crate) fn get_inscriptions_on_output(
&self,
outpoint: OutPoint,
) -> Result<Vec<InscriptionId>> {
Ok(
self
.get_inscriptions_on_output_with_satpoints(outpoint)?
.iter()
.map(|(_satpoint, inscription_id)| *inscription_id)
.collect(),
)
}
pub(crate) fn get_transaction(&self, txid: Txid) -> Result<Option<Transaction>> {
if txid == self.genesis_block_coinbase_txid {
Ok(Some(self.genesis_block_coinbase_transaction.clone()))
} else {
self.client.get_raw_transaction(&txid, None).into_option()
}
}
pub(crate) fn get_transaction_blockhash(&self, txid: Txid) -> Result<Option<BlockHash>> {
Ok(
self
.client
.get_raw_transaction_info(&txid, None)
.into_option()?
.and_then(|info| {
if info.in_active_chain.unwrap_or_default() {
info.blockhash
} else {
None
}
}),
)
}
pub(crate) fn is_transaction_in_active_chain(&self, txid: Txid) -> Result<bool> {
Ok(
self
.client
.get_raw_transaction_info(&txid, None)
.into_option()?
.and_then(|info| info.in_active_chain)
.unwrap_or(false),
)
}
pub(crate) fn find(&self, sat: u64) -> Result<Option<SatPoint>> {
self.require_sat_index("find")?;
let rtx = self.begin_read()?;
if rtx.block_count()? <= Sat(sat).height().n() {
return Ok(None);
}
let outpoint_to_sat_ranges = rtx.0.open_table(OUTPOINT_TO_SAT_RANGES)?;
for range in outpoint_to_sat_ranges.range::<&[u8; 36]>(&[0; 36]..)? {
let (key, value) = range?;
let mut offset = 0;
for chunk in value.value().chunks_exact(11) {
let (start, end) = SatRange::load(chunk.try_into().unwrap());
if start <= sat && sat < end {
return Ok(Some(SatPoint {
outpoint: Entry::load(*key.value()),
offset: offset + sat - start,
}));
}
offset += end - start;
}
}
Ok(None)
}
fn list_inner(&self, outpoint: OutPointValue) -> Result<Option<Vec<u8>>> {
Ok(
self
.database
.begin_read()?
.open_table(OUTPOINT_TO_SAT_RANGES)?
.get(&outpoint)?
.map(|outpoint| outpoint.value().to_vec()),
)
}
pub(crate) fn list(&self, outpoint: OutPoint) -> Result<Option<List>> {
self.require_sat_index("list")?;
let array = outpoint.store();
let sat_ranges = self.list_inner(array)?;
match sat_ranges {
Some(sat_ranges) => Ok(Some(List::Unspent(
sat_ranges
.chunks_exact(11)
.map(|chunk| SatRange::load(chunk.try_into().unwrap()))
.collect(),
))),
None => {
if self.is_transaction_in_active_chain(outpoint.txid)? {
Ok(Some(List::Spent))
} else {
Ok(None)
}
}
}
}
pub(crate) fn block_time(&self, height: Height) -> Result<Blocktime> {
let height = height.n();
match self.get_block_by_height(height)? {
Some(block) => Ok(Blocktime::confirmed(block.header.time)),
None => {
let tx = self.database.begin_read()?;
let current = tx
.open_table(HEIGHT_TO_BLOCK_HASH)?
.range(0..)?
.next_back()
.and_then(|result| result.ok())
.map(|(height, _hash)| height)
.map(|x| x.value())
.unwrap_or(0);
let expected_blocks = height.checked_sub(current).with_context(|| {
format!("current {current} height is greater than sat height {height}")
})?;
Ok(Blocktime::Expected(
Utc::now()
.round_subsecs(0)
.checked_add_signed(chrono::Duration::seconds(
10 * 60 * i64::try_from(expected_blocks)?,
))
.ok_or_else(|| anyhow!("block timestamp out of range"))?,
))
}
}
}
pub(crate) fn get_inscriptions(
&self,
utxos: BTreeMap<OutPoint, Amount>,
) -> Result<BTreeMap<SatPoint, InscriptionId>> {
let rtx = self.database.begin_read()?;
let mut result = BTreeMap::new();
let table = rtx.open_multimap_table(SATPOINT_TO_INSCRIPTION_ID)?;
for utxo in utxos.keys() {
result.extend(Self::inscriptions_on_output_unordered(&table, *utxo)?);
}
Ok(result)
}
pub(crate) fn get_homepage_inscriptions(&self) -> Result<Vec<InscriptionId>> {
Ok(
self
.database
.begin_read()?
.open_table(INSCRIPTION_NUMBER_TO_INSCRIPTION_ID)?
.iter()?
.rev()
.take(8)
.flat_map(|result| result.map(|(_number, id)| Entry::load(*id.value())))
.collect(),
)
}
pub(crate) fn get_latest_inscriptions_with_prev_and_next(
&self,
n: usize,
from: Option<i64>,
) -> Result<(Vec<InscriptionId>, Option<i64>, Option<i64>)> {
let rtx = self.database.begin_read()?;
let inscription_number_to_inscription_id =
rtx.open_table(INSCRIPTION_NUMBER_TO_INSCRIPTION_ID)?;
let latest = match inscription_number_to_inscription_id.iter()?.next_back() {
Some(Ok((number, _id))) => number.value(),
Some(Err(_)) => return Ok(Default::default()),
None => return Ok(Default::default()),
};
let from = from.unwrap_or(latest);
let prev = if let Some(prev) = from.checked_sub(n.try_into()?) {
inscription_number_to_inscription_id
.get(&prev)?
.map(|_| prev)
} else {
None
};
let next = if from < latest {
Some(
from
.checked_add(n.try_into()?)
.unwrap_or(latest)
.min(latest),
)
} else {
None
};
let inscriptions = inscription_number_to_inscription_id
.range(..=from)?
.rev()
.take(n)
.flat_map(|result| result.map(|(_number, id)| Entry::load(*id.value())))
.collect();
Ok((inscriptions, prev, next))
}
pub(crate) fn get_feed_inscriptions(&self, n: usize) -> Result<Vec<(i64, InscriptionId)>> {
Ok(
self
.database
.begin_read()?
.open_table(INSCRIPTION_NUMBER_TO_INSCRIPTION_ID)?
.iter()?
.rev()
.take(n)
.flat_map(|result| result.map(|(number, id)| (number.value(), Entry::load(*id.value()))))
.collect(),
)
}
pub(crate) fn get_inscription_entry(
&self,
inscription_id: InscriptionId,
) -> Result<Option<InscriptionEntry>> {
Ok(
self
.database
.begin_read()?
.open_table(INSCRIPTION_ID_TO_INSCRIPTION_ENTRY)?
.get(&inscription_id.store())?
.map(|value| InscriptionEntry::load(value.value())),
)
}
#[cfg(test)]
fn assert_inscription_location(
&self,
inscription_id: InscriptionId,
satpoint: SatPoint,
sat: Option<u64>,
) {
let rtx = self.database.begin_read().unwrap();
let satpoint_to_inscription_id = rtx.open_multimap_table(SATPOINT_TO_INSCRIPTION_ID).unwrap();
let inscription_id_to_satpoint = rtx.open_table(INSCRIPTION_ID_TO_SATPOINT).unwrap();
assert_eq!(
satpoint_to_inscription_id.len().unwrap(),
inscription_id_to_satpoint.len().unwrap(),
);
assert_eq!(
SatPoint::load(
*inscription_id_to_satpoint
.get(&inscription_id.store())
.unwrap()
.unwrap()
.value()
),
satpoint,
);
assert!(satpoint_to_inscription_id
.get(&satpoint.store())
.unwrap()
.any(|id| InscriptionId::load(*id.unwrap().value()) == inscription_id));
match sat {
Some(sat) => {
if self.has_sat_index().unwrap() {
// unbound inscriptions should not be assigned to a sat
assert!(satpoint.outpoint != unbound_outpoint());
assert!(rtx
.open_multimap_table(SAT_TO_INSCRIPTION_ID)
.unwrap()
.get(&sat)
.unwrap()
.any(|id| InscriptionId::load(*id.unwrap().value()) == inscription_id));
// we do not track common sats (only the sat ranges)
if !Sat(sat).is_common() {
assert_eq!(
SatPoint::load(
*rtx
.open_table(SAT_TO_SATPOINT)
.unwrap()
.get(&sat)
.unwrap()
.unwrap()
.value()
),
satpoint,
);
}
}
}
None => {
if self.has_sat_index().unwrap() {