/
ledger_service.rs
1149 lines (1035 loc) · 44.1 KB
/
ledger_service.rs
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use std::{
collections::{BTreeMap, BTreeSet},
path::Path,
sync::Arc,
};
use ledger::{
scan_state::{
currency::Slot,
scan_state::{AvailableJobMessage, JobValueBase, JobValueMerge, JobValueWithIndex, Pass},
transaction_logic::{
local_state::LocalState,
protocol_state::{protocol_state_view, ProtocolStateView},
transaction_partially_applied::TransactionPartiallyApplied,
Transaction,
},
},
sparse_ledger::SparseLedger,
staged_ledger::{
diff::Diff,
staged_ledger::{SkipVerification, StagedLedger},
validate_block::block_body_hash,
},
verifier::Verifier,
Account, BaseLedger, Database, Mask, UnregisterBehavior,
};
use mina_hasher::Fp;
use mina_p2p_messages::{
binprot::BinProtRead,
v2::{
self, DataHashLibStateHashStableV1, LedgerHash, MinaBaseAccountBinableArgStableV2,
MinaBaseLedgerHash0StableV1, MinaBasePendingCoinbaseStableV2,
MinaBasePendingCoinbaseWitnessStableV2, MinaBaseSokMessageStableV1,
MinaBaseStagedLedgerHashStableV1, MinaLedgerSyncLedgerAnswerStableV2,
MinaLedgerSyncLedgerQueryStableV1,
MinaStateBlockchainStateValueStableV2LedgerProofStatement,
MinaStateProtocolStateValueStableV2, MinaTransactionTransactionStableV2, NonZeroCurvePoint,
StateHash,
},
};
use openmina_core::constants::CONSTRAINT_CONSTANTS;
use openmina_core::snark::{Snark, SnarkJobId};
use mina_signer::CompressedPubKey;
use openmina_core::block::ArcBlockWithHash;
use crate::block_producer::vrf_evaluator::BlockProducerVrfEvaluatorLedgerService;
use crate::block_producer::{
BlockProducerLedgerService, BlockProducerWonSlot, StagedLedgerDiffCreateOutput,
};
use crate::transition_frontier::sync::ledger::staged::TransitionFrontierSyncLedgerStagedService;
use crate::transition_frontier::sync::{
ledger::staged::StagedLedgerAuxAndPendingCoinbasesValid,
TransitionFrontierRootSnarkedLedgerUpdates,
};
use crate::transition_frontier::TransitionFrontierService;
use crate::{account::AccountPublicKey, block_producer::vrf_evaluator::DelegatorTable};
use crate::{
p2p::channels::rpc::StagedLedgerAuxAndPendingCoinbases, transition_frontier::CommitResult,
};
use crate::{
rpc::{
RpcLedgerService, RpcScanStateSummaryBlockTransaction, RpcScanStateSummaryScanStateJob,
RpcScanStateSummaryScanStateJobKind, RpcSnarkPoolJobSnarkWorkDone,
},
transition_frontier::sync::ledger::snarked::TransitionFrontierSyncLedgerSnarkedService,
};
use super::{ledger_empty_hash_at_depth, LedgerAddress, LEDGER_DEPTH};
fn merkle_root(mask: &mut Mask) -> LedgerHash {
MinaBaseLedgerHash0StableV1(mask.merkle_root().into()).into()
}
#[derive(Default)]
pub struct LedgerCtx {
snarked_ledgers: BTreeMap<LedgerHash, Mask>,
/// Additional snarked ledgers specified at startup (loaded from disk)
additional_snarked_ledgers: BTreeMap<LedgerHash, Mask>,
staged_ledgers: BTreeMap<LedgerHash, StagedLedger>,
sync: LedgerSyncState,
}
#[derive(Default)]
struct LedgerSyncState {
snarked_ledgers: BTreeMap<LedgerHash, Mask>,
staged_ledgers: BTreeMap<LedgerHash, StagedLedger>,
}
impl LedgerCtx {
pub fn new_with_additional_snarked_ledgers<P>(path: P) -> Self
where
P: AsRef<Path>,
{
use std::fs;
let Ok(dir) = fs::read_dir(path) else {
return Self::default();
};
let additional_snarked_ledgers = dir
.filter_map(|entry| {
let entry = entry.ok()?;
let hash = entry.file_name().to_str()?.parse().ok()?;
let mut file = fs::File::open(entry.path()).ok()?;
let _ = Option::<LedgerHash>::binprot_read(&mut file).ok()?;
let accounts = Vec::<Account>::binprot_read(&mut file).ok()?;
let mut mask = Mask::new_root(Database::create(35));
for account in accounts {
let account_id = account.id();
mask.get_or_create_account(account_id, account).unwrap();
}
Some((hash, mask))
})
.collect();
LedgerCtx {
additional_snarked_ledgers,
..Default::default()
}
}
pub fn insert_genesis_ledger(&mut self, mut mask: Mask) {
let hash = merkle_root(&mut mask);
self.snarked_ledgers.insert(hash.clone(), mask.clone());
let staged_ledger = StagedLedger::create_exn(CONSTRAINT_CONSTANTS, mask).unwrap();
self.staged_ledgers.insert(hash.clone(), staged_ledger);
}
// TODO(tizoc): explain when `is_synced` is `true` and when it is `false`. Also use something else than a boolean.
/// Returns a tuple of `(mask, is_synced)` for a [Mask] with the specified `hash` if it exists or `None` otherwise.
pub fn mask(&self, hash: &LedgerHash) -> Option<(Mask, bool)> {
self.snarked_ledgers
.get(hash)
.cloned()
.map(|mask| (mask, true))
.or_else(|| Some((self.staged_ledgers.get(hash)?.ledger(), true)))
.or_else(|| self.sync.mask(hash))
}
/// Returns the mask for a snarked ledger being synchronized or an error if it is not present
pub fn pending_sync_snarked_ledger_mask(&self, hash: &LedgerHash) -> Result<Mask, String> {
self.sync.pending_sync_snarked_ledger_mask(hash)
}
/// Copies the contents of an existing snarked ledger into the target
/// hash under the pending sync snarked ledgers state.
fn copy_snarked_ledger_contents_for_sync(
&mut self,
origin_snarked_ledger_hash: LedgerHash,
target_snarked_ledger_hash: LedgerHash,
overwrite: bool,
) -> Result<bool, String> {
if !overwrite
&& self
.sync
.snarked_ledgers
.contains_key(&target_snarked_ledger_hash)
{
return Ok(false);
}
let origin = self
.snarked_ledgers
.get(&origin_snarked_ledger_hash)
.or_else(|| {
// If it doesn't exist in completed ledgers, it may be
// an in-progress ledger from a previous attempt that we can reuse
self.sync.snarked_ledgers.get(&origin_snarked_ledger_hash)
})
.ok_or(format!(
"Tried to copy from non-existing snarked ledger with hash: {}",
origin_snarked_ledger_hash.to_string()
))?;
let target = origin.copy();
self.sync
.snarked_ledgers
.insert(target_snarked_ledger_hash, target);
Ok(true)
}
fn compute_snarked_ledger_hashes(
&mut self,
snarked_ledger_hash: &LedgerHash,
) -> Result<(), String> {
let origin = self
.snarked_ledgers
.get_mut(&snarked_ledger_hash)
.or_else(|| self.sync.snarked_ledgers.get_mut(&snarked_ledger_hash))
.ok_or(format!(
"Cannot hash non-existing snarked ledger: {}",
snarked_ledger_hash.to_string()
))?;
// Our ledger is lazy when it comes to hashing, but retrieving the
// merkle root hash forces all pending hashes to be computed.
let _force_hashing = origin.merkle_root();
Ok(())
}
/// Returns a mutable reference to the [StagedLedger] with the specified `hash` if it exists or `None` otherwise.
fn staged_ledger_mut(&mut self, hash: &LedgerHash) -> Option<&mut StagedLedger> {
match self.staged_ledgers.get_mut(&hash) {
Some(v) => Some(v),
None => self.sync.staged_ledger_mut(&hash),
}
}
fn recreate_snarked_ledger(
&mut self,
root_snarked_ledger_updates: &TransitionFrontierRootSnarkedLedgerUpdates,
needed_protocol_states: &BTreeMap<StateHash, MinaStateProtocolStateValueStableV2>,
snarked_ledger_hash: &LedgerHash,
) -> Result<(), String> {
let Some(update) = root_snarked_ledger_updates.get(snarked_ledger_hash) else {
return Ok(());
};
self.recreate_snarked_ledger(
root_snarked_ledger_updates,
needed_protocol_states,
&update.parent,
)?;
self.push_snarked_ledger(
needed_protocol_states,
&update.parent,
snarked_ledger_hash,
&update.staged_ledger_hash,
)
}
fn push_snarked_ledger(
&mut self,
protocol_states: &BTreeMap<StateHash, MinaStateProtocolStateValueStableV2>,
old_root_snarked_ledger_hash: &LedgerHash,
new_root_snarked_ledger_hash: &LedgerHash,
new_root_staged_ledger_hash: &LedgerHash,
) -> Result<(), String> {
openmina_core::debug!(openmina_core::log::system_time();
kind = "LedgerService::push_snarked_ledger",
summary = format!("{old_root_snarked_ledger_hash} -> {new_root_snarked_ledger_hash}"));
// Steps 4-7 from https://github.com/openmina/mina/blob/bc812dc9b90e05898c0c36ac76ba51ccf6cac137/src/lib/transition_frontier/full_frontier/full_frontier.ml#L354-L392
let constraint_constants = &CONSTRAINT_CONSTANTS;
// Step 4: create a new temporary mask `mt` with `s` as it's parent
let root_snarked_ledger = self
.snarked_ledgers
.get(old_root_snarked_ledger_hash)
.or_else(|| self.sync.snarked_ledgers.get(old_root_snarked_ledger_hash))
.ok_or_else(|| {
format!(
"push_snarked_ledger: could not find old root snarked ledger: {}",
old_root_snarked_ledger_hash.to_string(),
)
})?;
let mut mt = root_snarked_ledger.make_child();
// Step 5: apply any transactions to `mt` that appear in the transition between `s` and `s'`
let apply_first_pass = |global_slot: Slot,
txn_state_view: &ProtocolStateView,
ledger: &mut Mask,
transaction: &Transaction| {
ledger::scan_state::transaction_logic::apply_transaction_first_pass(
constraint_constants,
global_slot,
txn_state_view,
ledger,
transaction,
)
};
let apply_second_pass = |ledger: &mut Mask, tx: TransactionPartiallyApplied<Mask>| {
ledger::scan_state::transaction_logic::apply_transaction_second_pass(
constraint_constants,
ledger,
tx,
)
};
let apply_first_pass_sparse_ledger =
|global_slot: Slot,
txn_state_view: &ProtocolStateView,
sparse_ledger: &mut SparseLedger,
transaction: &Transaction| {
ledger::scan_state::transaction_logic::apply_transaction_first_pass(
constraint_constants,
global_slot,
txn_state_view,
sparse_ledger,
transaction,
)
};
let get_protocol_state = |state_hash: Fp| {
let state_hash = StateHash::from_fp(state_hash);
if let Some(s) = protocol_states.get(&state_hash) {
Ok(s.clone())
} else {
Err(format!(
"Failed to find protocol state for state hash: {}",
state_hash.to_string()
))
}
};
let scan_state = self
.staged_ledger_mut(new_root_staged_ledger_hash)
.ok_or_else(|| {
format!(
"Failed to find staged ledger with hash: {}",
new_root_staged_ledger_hash.to_string()
)
})?
.scan_state();
let Pass::FirstPassLedgerHash(_first_pass_ledger_target) = scan_state
.get_snarked_ledger_sync(
&mut mt,
get_protocol_state,
apply_first_pass,
apply_second_pass,
apply_first_pass_sparse_ledger,
)?;
// Assert that the obtained ledger is the one we expect
let expected_hash = new_root_snarked_ledger_hash;
let obtained_hash = LedgerHash::from_fp(mt.merkle_root());
if expected_hash != &obtained_hash {
return Err(format!(
"Expected to obtain snarked root ledger hash {} but got {}",
expected_hash.to_string(),
obtained_hash.to_string()
));
}
self.sync
.snarked_ledgers
.insert(new_root_snarked_ledger_hash.clone(), mt);
Ok(())
}
pub fn producers_with_delegates<F: FnMut(&CompressedPubKey) -> bool>(
&self,
ledger_hash: &LedgerHash,
mut filter: F,
) -> Option<BTreeMap<AccountPublicKey, Vec<(ledger::AccountIndex, AccountPublicKey, u64)>>>
{
let (mask, _) = self.mask(ledger_hash)?;
let mut accounts = Vec::new();
mask.iter(|account| {
if filter(&account.public_key)
|| account.delegate.as_ref().map_or(false, |key| filter(key))
{
accounts.push((
account.id(),
account.delegate.clone(),
account.balance.as_u64(),
))
}
});
let producers = accounts.into_iter().fold(
BTreeMap::<_, Vec<_>>::new(),
|mut producers, (id, delegate, balance)| {
let index = mask.index_of_account(id.clone()).unwrap();
let pub_key = AccountPublicKey::from(id.public_key);
let producer = delegate.map(Into::into).unwrap_or(pub_key.clone());
producers
.entry(producer)
.or_default()
.push((index, pub_key, balance));
producers
},
);
Some(producers)
}
}
impl LedgerSyncState {
fn mask(&self, hash: &LedgerHash) -> Option<(Mask, bool)> {
self.snarked_ledgers
.get(hash)
.cloned()
.map(|mask| (mask, false))
.or_else(|| Some((self.staged_ledgers.get(hash)?.ledger(), true)))
}
fn pending_sync_snarked_ledger_mask(&self, hash: &LedgerHash) -> Result<Mask, String> {
self.snarked_ledgers
.get(hash)
.cloned()
.ok_or_else(|| format!("Missing sync snarked ledger {}", hash.to_string()))
}
/// Returns a [Mask] instance for the snarked ledger with [hash]. If it doesn't
/// exist a new instance is created.
fn snarked_ledger_mut(&mut self, hash: LedgerHash) -> &mut Mask {
self.snarked_ledgers.entry(hash.clone()).or_insert_with(|| {
let mut ledger = Mask::create(LEDGER_DEPTH);
ledger.set_cached_hash_unchecked(&LedgerAddress::root(), hash.0.to_field());
ledger
})
}
fn staged_ledger_mut(&mut self, hash: &LedgerHash) -> Option<&mut StagedLedger> {
self.staged_ledgers.get_mut(&hash)
}
}
pub trait LedgerService: redux::Service {
fn ctx(&self) -> &LedgerCtx;
fn ctx_mut(&mut self) -> &mut LedgerCtx;
}
impl<T: LedgerService> TransitionFrontierSyncLedgerSnarkedService for T {
fn compute_snarked_ledger_hashes(
&mut self,
snarked_ledger_hash: &LedgerHash,
) -> Result<(), String> {
self.ctx_mut()
.compute_snarked_ledger_hashes(snarked_ledger_hash)?;
Ok(())
}
fn copy_snarked_ledger_contents_for_sync(
&mut self,
origin_snarked_ledger_hash: LedgerHash,
target_snarked_ledger_hash: LedgerHash,
overwrite: bool,
) -> Result<bool, String> {
self.ctx_mut().copy_snarked_ledger_contents_for_sync(
origin_snarked_ledger_hash,
target_snarked_ledger_hash,
overwrite,
)
}
fn child_hashes_get(
&mut self,
snarked_ledger_hash: LedgerHash,
parent: &LedgerAddress,
) -> Result<(LedgerHash, LedgerHash), String> {
let mut mask = self
.ctx_mut()
.pending_sync_snarked_ledger_mask(&snarked_ledger_hash)?;
let left_hash = LedgerHash::from_fp(mask.get_inner_hash_at_addr(parent.child_left())?);
let right_hash = LedgerHash::from_fp(mask.get_inner_hash_at_addr(parent.child_right())?);
Ok((left_hash, right_hash))
}
fn accounts_set(
&mut self,
snarked_ledger_hash: LedgerHash,
parent: &LedgerAddress,
accounts: Vec<MinaBaseAccountBinableArgStableV2>,
) -> Result<LedgerHash, String> {
let mut mask = self
.ctx_mut()
.pending_sync_snarked_ledger_mask(&snarked_ledger_hash)?;
let accounts: Vec<_> = accounts
.into_iter()
.map(|account| Box::new((&account).into()))
.collect();
mask.set_all_accounts_rooted_at(parent.clone(), &accounts)
.or_else(|()| Err("Failed when setting accounts".to_owned()))?;
let computed_hash = LedgerHash::from_fp(mask.get_inner_hash_at_addr(parent.clone())?);
Ok(computed_hash)
}
}
impl<T: LedgerService> TransitionFrontierSyncLedgerStagedService for T {
fn staged_ledger_reconstruct(
&mut self,
snarked_ledger_hash: LedgerHash,
parts: Option<Arc<StagedLedgerAuxAndPendingCoinbasesValid>>,
) -> Result<(), String> {
let staged_ledger_hash = parts
.as_ref()
.map(|p| p.staged_ledger_hash.clone())
.unwrap_or_else(|| snarked_ledger_hash.clone());
let snarked_ledger = self
.ctx_mut()
.sync
.snarked_ledger_mut(snarked_ledger_hash.clone());
let mask = snarked_ledger.copy();
let staged_ledger = if let Some(parts) = parts {
let states = parts
.needed_blocks
.iter()
.map(|state| (state.hash().to_fp().unwrap(), state.clone()))
.collect::<BTreeMap<_, _>>();
StagedLedger::of_scan_state_pending_coinbases_and_snarked_ledger(
(),
&CONSTRAINT_CONSTANTS,
Verifier,
(&parts.scan_state).into(),
mask,
LocalState::empty(),
parts.staged_ledger_hash.0.to_field(),
(&parts.pending_coinbase).into(),
|key| states.get(&key).cloned().unwrap(),
)?
} else {
StagedLedger::create_exn(CONSTRAINT_CONSTANTS.clone(), mask)?
};
self.ctx_mut()
.sync
.staged_ledgers
.insert(staged_ledger_hash, staged_ledger);
Ok(())
}
}
impl<T: LedgerService> TransitionFrontierService for T {
fn block_apply(
&mut self,
block: ArcBlockWithHash,
pred_block: ArcBlockWithHash,
) -> Result<(), String> {
openmina_core::debug!(openmina_core::log::system_time();
kind = "LedgerService::block_apply",
summary = format!("{}, {} <- {}", block.height(), block.hash(), block.pred_hash()),
snarked_ledger_hash = block.snarked_ledger_hash().to_string(),
staged_ledger_hash = block.staged_ledger_hash().to_string(),
);
let mut staged_ledger = self
.ctx_mut()
.staged_ledger_mut(&pred_block.staged_ledger_hash())
.ok_or_else(|| "parent staged ledger missing")?
.clone();
let global_slot = block.global_slot_since_genesis();
let prev_protocol_state = &pred_block.header().protocol_state;
let prev_state_view = protocol_state_view(prev_protocol_state);
let consensus_state = &block.header().protocol_state.body.consensus_state;
let coinbase_receiver: CompressedPubKey = (&consensus_state.coinbase_receiver).into();
let _supercharge_coinbase = consensus_state.supercharge_coinbase;
// FIXME: Using `supercharge_coinbase` (from block) above does not work
let supercharge_coinbase = false;
let diff: Diff = (&block.block.body.staged_ledger_diff).into();
let result = staged_ledger
.apply(
// TODO(binier): SEC
Some(SkipVerification::All),
&CONSTRAINT_CONSTANTS,
Slot::from_u32(global_slot),
diff,
(),
&Verifier,
&prev_state_view,
ledger::scan_state::protocol_state::hashes(prev_protocol_state),
coinbase_receiver,
supercharge_coinbase,
)
.map_err(|err| format!("{err:?}"))?;
let ledger_hashes = MinaBaseStagedLedgerHashStableV1::from(&result.hash_after_applying);
// TODO(binier): return error if not matching.
let expected_ledger_hashes = block.staged_ledger_hashes();
if &ledger_hashes != expected_ledger_hashes {
let staged_ledger = self
.ctx_mut()
.staged_ledger_mut(&pred_block.staged_ledger_hash())
.unwrap(); // We already know the ledger exists, see the same call a few lines above
match dump_application_to_file(staged_ledger, block.clone(), pred_block) {
Ok(filename) => openmina_core::info!(
openmina_core::log::system_time();
kind = "LedgerService::dump - Failed application",
summary = format!("StagedLedger and block saved to: {filename:?}")
),
Err(e) => openmina_core::error!(
openmina_core::log::system_time();
kind = "LedgerService::dump - Failed application",
summary = format!("Failed to save block application to file: {e:?}")
),
}
panic!("staged ledger hash mismatch. found: {ledger_hashes:#?}, expected: {expected_ledger_hashes:#?}");
}
let ledger_hash = block.staged_ledger_hash();
self.ctx_mut()
.sync
.staged_ledgers
.insert(ledger_hash.clone(), staged_ledger);
Ok(())
}
fn commit(
&mut self,
ledgers_to_keep: BTreeSet<LedgerHash>,
root_snarked_ledger_updates: TransitionFrontierRootSnarkedLedgerUpdates,
needed_protocol_states: BTreeMap<StateHash, MinaStateProtocolStateValueStableV2>,
new_root: &ArcBlockWithHash,
new_best_tip: &ArcBlockWithHash,
) -> CommitResult {
let ctx = self.ctx_mut();
openmina_core::debug!(openmina_core::log::system_time();
kind = "LedgerService::commit",
summary = format!("commit {}, {}", new_best_tip.height(), new_best_tip.hash()),
new_root = format!("{}, {}", new_root.height(), new_root.hash()),
new_root_staking_epoch_ledger = new_root.staking_epoch_ledger_hash().to_string(),
new_root_next_epoch_ledger = new_root.next_epoch_ledger_hash().to_string(),
new_root_snarked_ledger = new_root.snarked_ledger_hash().to_string(),
);
ctx.recreate_snarked_ledger(
&root_snarked_ledger_updates,
&needed_protocol_states,
new_root.snarked_ledger_hash(),
)
.unwrap();
ctx.snarked_ledgers.retain(|hash, _| {
let keep = ledgers_to_keep.contains(hash);
if !keep {
openmina_core::debug!(openmina_core::log::system_time();
kind = "LedgerService::commit - snarked_ledgers.drop",
summary = format!("drop snarked ledger {hash}"));
}
keep
});
ctx.snarked_ledgers.extend(
std::mem::take(&mut ctx.sync.snarked_ledgers)
.into_iter()
.filter(|(hash, _)| {
let keep = ledgers_to_keep.contains(hash);
if !keep {
openmina_core::debug!(openmina_core::log::system_time();
kind = "LedgerService::commit - snarked_ledgers.drop",
summary = format!("drop snarked ledger {hash}"));
}
keep
}),
);
ctx.staged_ledgers
.retain(|hash, _| ledgers_to_keep.contains(hash));
ctx.staged_ledgers.extend(
std::mem::take(&mut ctx.sync.staged_ledgers)
.into_iter()
.filter(|(hash, _)| ledgers_to_keep.contains(hash)),
);
for ledger_hash in [
new_best_tip.staking_epoch_ledger_hash(),
new_root.snarked_ledger_hash(),
new_root.staged_ledger_hash(),
] {
if let Some((mut mask, is_synced)) = ctx.mask(ledger_hash) {
if !is_synced {
panic!("ledger mask expected to be synced: {ledger_hash}");
}
let calculated = merkle_root(&mut mask);
assert_eq!(
ledger_hash, &calculated,
"ledger mask hash mismatch, expected: {ledger_hash}, found {calculated}"
);
} else {
panic!("ledger mask is missing: {ledger_hash}");
}
}
for (ledger_hash, snarked_ledger) in ctx.snarked_ledgers.iter_mut() {
while let Some((parent_hash, parent)) = snarked_ledger
.get_parent()
.map(|mut parent| (merkle_root(&mut parent), parent))
.filter(|(parent_hash, _)| !ledgers_to_keep.contains(parent_hash))
{
openmina_core::debug!(openmina_core::log::system_time();
kind = "LedgerService::commit - mask.commit_and_reparent",
summary = format!("{ledger_hash} -> {parent_hash}"));
snarked_ledger.commit();
snarked_ledger.unregister_mask(UnregisterBehavior::Check);
*snarked_ledger = parent;
}
}
// TODO(tizoc): should this fail silently?
let Some(new_root_ledger) = ctx.staged_ledgers.get_mut(new_root.staged_ledger_hash())
else {
return Default::default();
};
// Make staged ledger mask new root.
new_root_ledger.commit_and_reparent_to_root();
let needed_protocol_states = ctx
.staged_ledger_mut(new_root.staged_ledger_hash())
.map(|l| {
l.scan_state()
.required_state_hashes()
.into_iter()
.map(|fp| DataHashLibStateHashStableV1(fp.into()).into())
.collect()
})
.unwrap_or_default();
let available_jobs = ctx
.staged_ledger_mut(new_best_tip.staged_ledger_hash())
.map(|l| {
l.scan_state()
.all_job_pairs_iter()
.map(|job| job.map(|single| AvailableJobMessage::from(single)))
.collect()
})
.unwrap_or_default();
CommitResult {
available_jobs,
needed_protocol_states,
}
}
fn answer_ledger_query(
&mut self,
ledger_hash: LedgerHash,
query: MinaLedgerSyncLedgerQueryStableV1,
) -> Option<MinaLedgerSyncLedgerAnswerStableV2> {
let ctx = self.ctx_mut();
let (mask, is_synced) = ctx
.mask(&ledger_hash)
.filter(|(_, is_synced)| *is_synced)
.or_else(|| {
ctx.additional_snarked_ledgers
.get(&ledger_hash)
.map(|l| (l.clone(), true))
})?;
Some(match query {
MinaLedgerSyncLedgerQueryStableV1::WhatChildHashes(addr) => {
let addr = LedgerAddress::from(addr);
let get_hash = |addr: LedgerAddress| {
let depth = addr.length();
mask.get_hash(addr)
.map(|fp| MinaBaseLedgerHash0StableV1(fp.into()).into())
.or_else(|| {
if is_synced {
Some(ledger_empty_hash_at_depth(depth))
} else {
None
}
})
};
let (left, right) = (addr.child_left(), addr.child_right());
let (left, right) = (get_hash(left)?, get_hash(right)?);
MinaLedgerSyncLedgerAnswerStableV2::ChildHashesAre(left, right)
}
MinaLedgerSyncLedgerQueryStableV1::WhatContents(addr) => {
let addr = LedgerAddress::from(addr);
// TODO(binier): SEC maybe we need to check addr depth?
let accounts = mask
.get_all_accounts_rooted_at(addr)?
.into_iter()
.map(|(_, account)| (&*account).into())
.collect();
MinaLedgerSyncLedgerAnswerStableV2::ContentsAre(accounts)
}
MinaLedgerSyncLedgerQueryStableV1::NumAccounts => {
let num = (mask.num_accounts() as u64).into();
MinaLedgerSyncLedgerAnswerStableV2::NumAccounts(num, ledger_hash)
}
})
}
fn staged_ledger_aux_and_pending_coinbase(
&mut self,
ledger_hash: LedgerHash,
protocol_states: BTreeMap<StateHash, MinaStateProtocolStateValueStableV2>,
) -> Option<Arc<StagedLedgerAuxAndPendingCoinbases>> {
let ctx = self.ctx_mut();
let ledger = ctx.staged_ledger_mut(&ledger_hash)?;
let needed_blocks = ledger
.scan_state()
.required_state_hashes()
.into_iter()
.map(|fp| DataHashLibStateHashStableV1(fp.into()))
.map(|hash| protocol_states.get(&hash.into()).ok_or(()).cloned())
.collect::<Result<_, _>>()
.ok()?;
Some(
StagedLedgerAuxAndPendingCoinbases {
scan_state: (ledger.scan_state()).into(),
staged_ledger_hash: ledger_hash,
pending_coinbase: (ledger.pending_coinbase_collection()).into(),
needed_blocks,
}
.into(),
)
}
}
impl<T: LedgerService> BlockProducerLedgerService for T {
fn staged_ledger_diff_create(
&mut self,
pred_block: &ArcBlockWithHash,
won_slot: &BlockProducerWonSlot,
coinbase_receiver: &NonZeroCurvePoint,
completed_snarks: BTreeMap<SnarkJobId, Snark>,
supercharge_coinbase: bool,
) -> Result<StagedLedgerDiffCreateOutput, String> {
let mut staged_ledger = self
.ctx_mut()
.staged_ledger_mut(&pred_block.staged_ledger_hash())
.ok_or_else(|| "parent staged ledger missing")?
.clone();
// calculate merkle root hash, otherwise `MinaBasePendingCoinbaseStableV2::from` fails.
staged_ledger.hash();
let pending_coinbase_witness =
MinaBasePendingCoinbaseStableV2::from(staged_ledger.pending_coinbase_collection());
let protocol_state_view = protocol_state_view(&pred_block.header().protocol_state);
let global_slot_since_genesis =
won_slot.global_slot_since_genesis(pred_block.global_slot_diff());
// TODO(binier): include `invalid_txns` in output.
let (pre_diff, _invalid_txns) = staged_ledger
.create_diff(
&CONSTRAINT_CONSTANTS,
(&global_slot_since_genesis).into(),
Some(true),
coinbase_receiver.into(),
(),
&protocol_state_view,
// TODO(binier): once we have transaction pool, pass
// transactions here.
Vec::new(),
|stmt| {
let job_id = SnarkJobId::from(stmt);
completed_snarks.get(&job_id).map(Into::into)
},
supercharge_coinbase,
)
.map_err(|err| format!("{err:?}"))?;
// TODO(binier): maybe here, check if block reward is above threshold.
// https://github.com/minaprotocol/mina/blob/b3d418a8c0ae4370738886c2b26f0ec7bdb49303/src/lib/block_producer/block_producer.ml#L222
let pred_body_hash = pred_block.header().protocol_state.body.hash();
let diff = (&pre_diff).into();
let res = staged_ledger
.apply_diff_unchecked(
&CONSTRAINT_CONSTANTS,
(&global_slot_since_genesis).into(),
pre_diff,
(),
&protocol_state_view,
(pred_block.hash().0.to_field(), pred_body_hash.0.to_field()),
coinbase_receiver.into(),
supercharge_coinbase,
)
.map_err(|err| format!("{err:?}"))?;
let diff_hash = block_body_hash(&diff).map_err(|err| format!("{err:?}"))?;
Ok(StagedLedgerDiffCreateOutput {
diff,
diff_hash,
staged_ledger_hash: (&res.hash_after_applying).into(),
emitted_ledger_proof: res
.ledger_proof
.map(|(proof, ..)| (&proof).into())
.map(Box::new),
pending_coinbase_update: (&res.pending_coinbase_update.1).into(),
pending_coinbase_witness: MinaBasePendingCoinbaseWitnessStableV2 {
pending_coinbases: pending_coinbase_witness,
is_new_stack: res.pending_coinbase_update.0,
},
})
}
fn stake_proof_sparse_ledger(
&mut self,
staking_ledger: LedgerHash,
producer: NonZeroCurvePoint,
delegator: NonZeroCurvePoint,
) -> Option<v2::MinaBaseSparseLedgerBaseStableV2> {
let mask = self.ctx_mut().snarked_ledgers.get(&staking_ledger)?;
let producer_id = ledger::AccountId::new((&producer).into(), ledger::TokenId::default());
let delegator_id = ledger::AccountId::new((&delegator).into(), ledger::TokenId::default());
let sparse_ledger = ledger::sparse_ledger::SparseLedger::of_ledger_subset_exn(
mask.clone(),
&[producer_id, delegator_id],
);
Some((&sparse_ledger).into())
}
}
impl<T: LedgerService> RpcLedgerService for T {
fn scan_state_summary(
&self,
staged_ledger_hash: LedgerHash,
) -> Vec<Vec<RpcScanStateSummaryScanStateJob>> {
use ledger::scan_state::scan_state::JobValue;
let ledger = self.ctx().staged_ledgers.get(&staged_ledger_hash);
let Some(ledger) = ledger else { return vec![] };
ledger
.scan_state()
.view()
.map(|jobs| {
let jobs = jobs.collect::<Vec<JobValueWithIndex<'_>>>();
let mut iter = jobs.iter().peekable();
let mut res = Vec::with_capacity(jobs.len());
loop {
let Some(job) = iter.next() else { break };
let (stmt, seq_no, job_kind, is_done) = match &job.job {
JobValue::Leaf(JobValueBase::Empty)
| JobValue::Node(JobValueMerge::Empty)
| JobValue::Node(JobValueMerge::Part(_)) => {
res.push(RpcScanStateSummaryScanStateJob::Empty);
continue;
}
JobValue::Leaf(JobValueBase::Full(job)) => {
let stmt = &job.job.statement;
let tx = job.job.transaction_with_info.transaction();
let status = (&tx.status).into();
let tx = MinaTransactionTransactionStableV2::from(&tx.data);
let kind = RpcScanStateSummaryScanStateJobKind::Base(
RpcScanStateSummaryBlockTransaction {
hash: tx.hash().ok(),
kind: (&tx).into(),
status,
},
);
let seq_no = job.seq_no.as_u64();
(stmt.clone(), seq_no, kind, job.state.is_done())
}
JobValue::Node(JobValueMerge::Full(job)) => {
let stmt = job
.left
.proof
.statement()
.merge(&job.right.proof.statement())
.unwrap();
let kind = RpcScanStateSummaryScanStateJobKind::Merge;
let seq_no = job.seq_no.as_u64();
(stmt, seq_no, kind, job.state.is_done())
}
};
let stmt: MinaStateBlockchainStateValueStableV2LedgerProofStatement =
(&stmt).into();
let job_id: SnarkJobId = (&stmt.source, &stmt.target).into();
let bundle =
job.bundle_sibling()
.and_then(|(sibling_index, is_sibling_left)| {
let sibling_job = jobs.get(sibling_index)?;
let sibling_stmt: MinaStateBlockchainStateValueStableV2LedgerProofStatement = match &sibling_job.job {
JobValue::Leaf(JobValueBase::Full(job)) => {
(&job.job.statement).into()
}
JobValue::Node(JobValueMerge::Full(job)) => (&job
.left
.proof
.statement()
.merge(&job.right.proof.statement())
.unwrap()).into(),
_ => return None,
};
let bundle_job_id: SnarkJobId = match is_sibling_left {
false => (&stmt.source, &sibling_stmt.target).into(),
true => (&sibling_stmt.source, &stmt.target).into(),
};
Some((bundle_job_id, is_sibling_left))
});
let bundle_job_id = bundle
.as_ref()
.map_or_else(|| job_id.clone(), |(id, _)| id.clone());
res.push(if is_done {
let is_left =