lssa/indexer/service/src/mock_service.rs

285 lines
10 KiB
Rust

use std::collections::HashMap;
use indexer_service_protocol::{
Account, AccountId, BedrockStatus, Block, BlockBody, BlockHeader, BlockId, Commitment,
CommitmentSetDigest, Data, EncryptedAccountData, HashType, MantleMsgId,
PrivacyPreservingMessage, PrivacyPreservingTransaction, ProgramDeploymentMessage,
ProgramDeploymentTransaction, PublicMessage, PublicTransaction, Signature, Transaction,
WitnessSet,
};
use jsonrpsee::{core::SubscriptionResult, types::ErrorObjectOwned};
/// A mock implementation of the IndexerService RPC for testing purposes.
pub struct MockIndexerService {
blocks: Vec<Block>,
accounts: HashMap<AccountId, Account>,
transactions: HashMap<HashType, (Transaction, BlockId)>,
}
impl MockIndexerService {
pub fn new_with_mock_blocks() -> Self {
let mut blocks = Vec::new();
let mut accounts = HashMap::new();
let mut transactions = HashMap::new();
// Create some mock accounts
let account_ids: Vec<AccountId> = (0..5)
.map(|i| {
let mut value = [0u8; 32];
value[0] = i;
AccountId { value }
})
.collect();
for (i, account_id) in account_ids.iter().enumerate() {
accounts.insert(
*account_id,
Account {
program_owner: [i as u32; 8],
balance: 1000 * (i as u128 + 1),
data: Data(vec![0xaa, 0xbb, 0xcc]),
nonce: i as u128,
},
);
}
// Create 10 blocks with transactions
let mut prev_hash = HashType([0u8; 32]);
for block_id in 0..10 {
let block_hash = {
let mut hash = [0u8; 32];
hash[0] = block_id as u8;
hash[1] = 0xff;
HashType(hash)
};
// Create 2-4 transactions per block (mix of Public, PrivacyPreserving, and
// ProgramDeployment)
let num_txs = 2 + (block_id % 3);
let mut block_transactions = Vec::new();
for tx_idx in 0..num_txs {
let tx_hash = {
let mut hash = [0u8; 32];
hash[0] = block_id as u8;
hash[1] = tx_idx as u8;
HashType(hash)
};
// Vary transaction types: Public, PrivacyPreserving, or ProgramDeployment
let tx = match (block_id + tx_idx) % 5 {
// Public transactions (most common)
0 | 1 => Transaction::Public(PublicTransaction {
hash: tx_hash,
message: PublicMessage {
program_id: [1u32; 8],
account_ids: vec![
account_ids[tx_idx as usize % account_ids.len()],
account_ids[(tx_idx as usize + 1) % account_ids.len()],
],
nonces: vec![block_id as u128, (block_id + 1) as u128],
instruction_data: vec![1, 2, 3, 4],
},
witness_set: WitnessSet {
signatures_and_public_keys: vec![],
proof: indexer_service_protocol::Proof(vec![0; 32]),
},
}),
// PrivacyPreserving transactions
2 | 3 => Transaction::PrivacyPreserving(PrivacyPreservingTransaction {
hash: tx_hash,
message: PrivacyPreservingMessage {
public_account_ids: vec![
account_ids[tx_idx as usize % account_ids.len()],
],
nonces: vec![block_id as u128],
public_post_states: vec![Account {
program_owner: [1u32; 8],
balance: 500,
data: Data(vec![0xdd, 0xee]),
nonce: block_id as u128,
}],
encrypted_private_post_states: vec![EncryptedAccountData {
ciphertext: indexer_service_protocol::Ciphertext(vec![
0x01, 0x02, 0x03, 0x04,
]),
epk: indexer_service_protocol::EphemeralPublicKey(vec![0xaa; 32]),
view_tag: 42,
}],
new_commitments: vec![Commitment([block_id as u8; 32])],
new_nullifiers: vec![(
indexer_service_protocol::Nullifier([tx_idx as u8; 32]),
CommitmentSetDigest([0xff; 32]),
)],
},
witness_set: WitnessSet {
signatures_and_public_keys: vec![],
proof: indexer_service_protocol::Proof(vec![0; 32]),
},
}),
// ProgramDeployment transactions (rare)
_ => Transaction::ProgramDeployment(ProgramDeploymentTransaction {
hash: tx_hash,
message: ProgramDeploymentMessage {
bytecode: vec![0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00], /* WASM magic number */
},
}),
};
transactions.insert(tx_hash, (tx.clone(), block_id));
block_transactions.push(tx);
}
let block = Block {
header: BlockHeader {
block_id,
prev_block_hash: prev_hash,
hash: block_hash,
timestamp: 1704067200000 + (block_id * 12000), // ~12 seconds per block
signature: Signature([0u8; 64]),
},
body: BlockBody {
transactions: block_transactions,
},
bedrock_status: match block_id {
0..=5 => BedrockStatus::Finalized,
6..=8 => BedrockStatus::Safe,
_ => BedrockStatus::Pending,
},
bedrock_parent_id: MantleMsgId([0; 32]),
};
prev_hash = block_hash;
blocks.push(block);
}
Self {
blocks,
accounts,
transactions,
}
}
}
#[async_trait::async_trait]
impl indexer_service_rpc::RpcServer for MockIndexerService {
async fn subscribe_to_finalized_blocks(
&self,
subscription_sink: jsonrpsee::PendingSubscriptionSink,
) -> SubscriptionResult {
let sink = subscription_sink.accept().await?;
for block in self
.blocks
.iter()
.filter(|b| b.bedrock_status == BedrockStatus::Finalized)
{
let json = serde_json::value::to_raw_value(block).unwrap();
sink.send(json).await?;
}
Ok(())
}
async fn get_last_finalized_block_id(&self) -> Result<BlockId, ErrorObjectOwned> {
self.blocks
.last()
.map(|bl| bl.header.block_id)
.ok_or_else(|| {
ErrorObjectOwned::owned(-32001, "Last block not found".to_string(), None::<()>)
})
}
async fn get_block_by_id(&self, block_id: BlockId) -> Result<Block, ErrorObjectOwned> {
self.blocks
.iter()
.find(|b| b.header.block_id == block_id)
.cloned()
.ok_or_else(|| {
ErrorObjectOwned::owned(
-32001,
format!("Block with ID {} not found", block_id),
None::<()>,
)
})
}
async fn get_block_by_hash(&self, block_hash: HashType) -> Result<Block, ErrorObjectOwned> {
self.blocks
.iter()
.find(|b| b.header.hash == block_hash)
.cloned()
.ok_or_else(|| ErrorObjectOwned::owned(-32001, "Block with hash not found", None::<()>))
}
async fn get_account(&self, account_id: AccountId) -> Result<Account, ErrorObjectOwned> {
self.accounts
.get(&account_id)
.cloned()
.ok_or_else(|| ErrorObjectOwned::owned(-32001, "Account not found", None::<()>))
}
async fn get_transaction(&self, tx_hash: HashType) -> Result<Transaction, ErrorObjectOwned> {
self.transactions
.get(&tx_hash)
.map(|(tx, _)| tx.clone())
.ok_or_else(|| ErrorObjectOwned::owned(-32001, "Transaction not found", None::<()>))
}
async fn get_blocks(&self, offset: u32, limit: u32) -> Result<Vec<Block>, ErrorObjectOwned> {
let offset = offset as usize;
let limit = limit as usize;
let total = self.blocks.len();
// Return blocks in reverse order (newest first), with pagination
let start = offset.min(total);
let end = (offset + limit).min(total);
Ok(self
.blocks
.iter()
.rev()
.skip(start)
.take(end - start)
.cloned()
.collect())
}
async fn get_transactions_by_account(
&self,
account_id: AccountId,
limit: u32,
offset: u32,
) -> Result<Vec<Transaction>, ErrorObjectOwned> {
let mut account_txs: Vec<_> = self
.transactions
.values()
.filter(|(tx, _)| match tx {
Transaction::Public(pub_tx) => pub_tx.message.account_ids.contains(&account_id),
Transaction::PrivacyPreserving(priv_tx) => {
priv_tx.message.public_account_ids.contains(&account_id)
}
Transaction::ProgramDeployment(_) => false,
})
.collect();
// Sort by block ID descending (most recent first)
account_txs.sort_by(|a, b| b.1.cmp(&a.1));
let start = offset as usize;
if start >= account_txs.len() {
return Ok(Vec::new());
}
let end = (start + limit as usize).min(account_txs.len());
Ok(account_txs[start..end]
.iter()
.map(|(tx, _)| tx.clone())
.collect())
}
async fn healthcheck(&self) -> Result<(), ErrorObjectOwned> {
Ok(())
}
}