watcher-ts/packages/uni-info-watcher/src/indexer.ts

1448 lines
55 KiB
TypeScript

//
// Copyright 2021 Vulcanize, Inc.
//
import assert from 'assert';
import debug from 'debug';
import { DeepPartial, FindConditions, FindManyOptions, QueryRunner } from 'typeorm';
import JSONbig from 'json-bigint';
import { providers, utils, BigNumber } from 'ethers';
import { Client as UniClient } from '@vulcanize/uni-watcher';
import { Client as ERC20Client } from '@vulcanize/erc20-watcher';
import { EthClient } from '@vulcanize/ipld-eth-client';
import { IndexerInterface, Indexer as BaseIndexer, QueryOptions, OrderDirection, BlockHeight, Relation, GraphDecimal, JobQueue, Where } from '@vulcanize/util';
import { findEthPerToken, getEthPriceInUSD, getTrackedAmountUSD, sqrtPriceX96ToTokenPrices, WHITELIST_TOKENS } from './utils/pricing';
import { updatePoolDayData, updatePoolHourData, updateTickDayData, updateTokenDayData, updateTokenHourData, updateUniswapDayData } from './utils/interval-updates';
import { Token } from './entity/Token';
import { convertTokenToDecimal, loadTransaction, safeDiv } from './utils';
import { createTick, feeTierToTickSpacing } from './utils/tick';
import { Position } from './entity/Position';
import { Database } from './database';
import { Event } from './entity/Event';
import { ResultEvent, Block, Transaction, PoolCreatedEvent, InitializeEvent, MintEvent, BurnEvent, SwapEvent, IncreaseLiquidityEvent, DecreaseLiquidityEvent, CollectEvent, TransferEvent } from './events';
import { Factory } from './entity/Factory';
import { Bundle } from './entity/Bundle';
import { Pool } from './entity/Pool';
import { Mint } from './entity/Mint';
import { Burn } from './entity/Burn';
import { Swap } from './entity/Swap';
import { PositionSnapshot } from './entity/PositionSnapshot';
import { SyncStatus } from './entity/SyncStatus';
import { BlockProgress } from './entity/BlockProgress';
import { Tick } from './entity/Tick';
const SYNC_DELTA = 5;
const log = debug('vulcanize:indexer');
export { OrderDirection, BlockHeight };
export class Indexer implements IndexerInterface {
_db: Database
_uniClient: UniClient
_erc20Client: ERC20Client
_ethClient: EthClient
_postgraphileClient: EthClient
_baseIndexer: BaseIndexer
_isDemo: boolean
constructor (db: Database, uniClient: UniClient, erc20Client: ERC20Client, ethClient: EthClient, postgraphileClient: EthClient, ethProvider: providers.BaseProvider, jobQueue: JobQueue, mode: string) {
assert(db);
assert(uniClient);
assert(erc20Client);
assert(ethClient);
assert(postgraphileClient);
this._db = db;
this._uniClient = uniClient;
this._erc20Client = erc20Client;
this._ethClient = ethClient;
this._postgraphileClient = postgraphileClient;
this._baseIndexer = new BaseIndexer(this._db, this._ethClient, this._postgraphileClient, ethProvider, jobQueue);
this._isDemo = mode === 'demo';
}
getResultEvent (event: Event): ResultEvent {
const block = event.block;
const eventFields = JSON.parse(event.eventInfo);
const { tx, eventIndex } = JSON.parse(event.extraInfo);
return {
block: {
cid: block.cid,
hash: block.blockHash,
number: block.blockNumber,
timestamp: block.blockTimestamp,
parentHash: block.parentHash
},
tx,
contract: event.contract,
eventIndex,
event: {
__typename: event.eventName,
...eventFields
},
proof: JSON.parse(event.proof)
};
}
async processEvent (dbEvent: Event): Promise<void> {
console.time('time:indexer#processEvent-mapping_code');
const resultEvent = this.getResultEvent(dbEvent);
// TODO: Process proof (proof.data) in event.
const { contract, tx, block, event } = resultEvent;
const { __typename: eventName } = event;
switch (eventName) {
case 'PoolCreatedEvent':
log('Factory PoolCreated event', contract);
await this._handlePoolCreated(block, contract, tx, event as PoolCreatedEvent);
break;
case 'InitializeEvent':
log('Pool Initialize event', contract);
await this._handleInitialize(block, contract, tx, event as InitializeEvent);
break;
case 'MintEvent':
log('Pool Mint event', contract);
await this._handleMint(block, contract, tx, event as MintEvent);
break;
case 'BurnEvent':
log('Pool Burn event', contract);
await this._handleBurn(block, contract, tx, event as BurnEvent);
break;
case 'SwapEvent':
log('Pool Swap event', contract);
await this._handleSwap(block, contract, tx, event as SwapEvent);
break;
case 'IncreaseLiquidityEvent':
log('NFPM IncreaseLiquidity event', contract);
await this._handleIncreaseLiquidity(block, contract, tx, event as IncreaseLiquidityEvent);
break;
case 'DecreaseLiquidityEvent':
log('NFPM DecreaseLiquidity event', contract);
await this._handleDecreaseLiquidity(block, contract, tx, event as DecreaseLiquidityEvent);
break;
case 'CollectEvent':
log('NFPM Collect event', contract);
await this._handleCollect(block, contract, tx, event as CollectEvent);
break;
case 'TransferEvent':
log('NFPM Transfer event', contract);
await this._handleTransfer(block, contract, tx, event as TransferEvent);
break;
default:
log('Event not handled', eventName);
break;
}
log('Event processing completed for', eventName);
console.timeEnd('time:indexer#processEvent-mapping_code');
}
async processBlock (blockHash: string): Promise<void> {
// Empty post-block method.
assert(blockHash);
}
async getBlockEntities (where: { [key: string]: any } = {}, queryOptions: QueryOptions): Promise<any> {
if (where.timestamp_gt) {
where.blockTimestamp_gt = where.timestamp_gt;
delete where.timestamp_gt;
}
if (where.timestamp_lt) {
where.blockTimestamp_lt = where.timestamp_lt;
delete where.timestamp_lt;
}
if (queryOptions.orderBy === 'timestamp') {
queryOptions.orderBy = 'blockTimestamp';
}
const blocks = await this.getEntities(BlockProgress, {}, where, queryOptions);
return blocks.map(block => ({
timestamp: block.blockTimestamp,
number: block.blockNumber,
hash: block.blockHash
}));
}
async getIndexingStatus (): Promise<any> {
const syncStatus = await this.getSyncStatus();
assert(syncStatus);
const synced = (syncStatus.chainHeadBlockNumber - syncStatus.latestIndexedBlockNumber) <= SYNC_DELTA;
return {
synced,
health: 'healthy',
chains: [
{
chainHeadBlock: {
number: syncStatus.chainHeadBlockNumber,
hash: syncStatus.chainHeadBlockHash
},
latestBlock: {
number: syncStatus.latestIndexedBlockNumber,
hash: syncStatus.latestIndexedBlockHash
}
}
]
};
}
async saveEventEntity (dbEvent: Event): Promise<Event> {
return this._baseIndexer.saveEventEntity(dbEvent);
}
async markBlocksAsPruned (blocks: BlockProgress[]): Promise<void> {
return this._baseIndexer.markBlocksAsPruned(blocks);
}
async getBundle (id: string, block: BlockHeight): Promise<Bundle | undefined> {
const dbTx = await this._db.createTransactionRunner();
let res;
try {
res = await this._db.getBundle(dbTx, { id, blockHash: block.hash, blockNumber: block.number });
await dbTx.commitTransaction();
} catch (error) {
await dbTx.rollbackTransaction();
throw error;
} finally {
await dbTx.release();
}
return res;
}
async getPool (id: string, block: BlockHeight): Promise<Pool | undefined> {
const dbTx = await this._db.createTransactionRunner();
let res;
try {
res = await this._db.getPool(dbTx, { id, blockHash: block.hash, blockNumber: block.number });
await dbTx.commitTransaction();
} catch (error) {
await dbTx.rollbackTransaction();
throw error;
} finally {
await dbTx.release();
}
return res;
}
async getToken (id: string, block: BlockHeight): Promise<Token | undefined> {
const dbTx = await this._db.createTransactionRunner();
let res;
try {
res = await this._db.getToken(dbTx, { id, blockHash: block.hash, blockNumber: block.number });
await dbTx.commitTransaction();
} catch (error) {
await dbTx.rollbackTransaction();
throw error;
} finally {
await dbTx.release();
}
return res;
}
async getEntities<Entity> (entity: new () => Entity, block: BlockHeight, where: { [key: string]: any } = {}, queryOptions: QueryOptions, relations?: Relation[]): Promise<Entity[]> {
const dbTx = await this._db.createTransactionRunner();
let res;
try {
where = Object.entries(where).reduce((acc: { [key: string]: any }, [fieldWithSuffix, value]) => {
const [field, ...suffix] = fieldWithSuffix.split('_');
if (!acc[field]) {
acc[field] = [];
}
const filter = {
value,
not: false,
operator: 'equals'
};
let operator = suffix.shift();
if (operator === 'not') {
filter.not = true;
operator = suffix.shift();
}
if (operator) {
filter.operator = operator;
}
acc[field].push(filter);
return acc;
}, {});
res = await this._db.getModelEntities(dbTx, entity, block, where, queryOptions, relations);
dbTx.commitTransaction();
} catch (error) {
await dbTx.rollbackTransaction();
throw error;
} finally {
await dbTx.release();
}
return res;
}
async getAncestorAtDepth (blockHash: string, depth: number): Promise<string> {
return this._baseIndexer.getAncestorAtDepth(blockHash, depth);
}
async fetchBlockEvents (block: DeepPartial<BlockProgress>): Promise<BlockProgress> {
return this._baseIndexer.fetchBlockEvents(block, this._fetchAndSaveEvents.bind(this));
}
async getBlockEvents (blockHash: string, where: Where, queryOptions: QueryOptions): Promise<Array<Event>> {
return this._baseIndexer.getBlockEvents(blockHash, where, queryOptions);
}
async removeUnknownEvents (block: BlockProgress): Promise<void> {
return this._baseIndexer.removeUnknownEvents(Event, block);
}
async updateSyncStatusIndexedBlock (blockHash: string, blockNumber: number, force = false): Promise<SyncStatus> {
return this._baseIndexer.updateSyncStatusIndexedBlock(blockHash, blockNumber, force);
}
async updateSyncStatusChainHead (blockHash: string, blockNumber: number, force = false): Promise<SyncStatus> {
return this._baseIndexer.updateSyncStatusChainHead(blockHash, blockNumber, force);
}
async updateSyncStatusCanonicalBlock (blockHash: string, blockNumber: number, force = false): Promise<SyncStatus> {
return this._baseIndexer.updateSyncStatusCanonicalBlock(blockHash, blockNumber, force);
}
async getSyncStatus (): Promise<SyncStatus | undefined> {
return this._baseIndexer.getSyncStatus();
}
async getBlocks (blockFilter: { blockHash?: string, blockNumber?: number }): Promise<any> {
return this._baseIndexer.getBlocks(blockFilter);
}
async getEvent (id: string): Promise<Event | undefined> {
return this._baseIndexer.getEvent(id);
}
async getBlockProgress (blockHash: string): Promise<BlockProgress | undefined> {
return this._baseIndexer.getBlockProgress(blockHash);
}
async getBlockProgressEntities (where: FindConditions<BlockProgress>, options: FindManyOptions<BlockProgress>): Promise<BlockProgress[]> {
return this._baseIndexer.getBlockProgressEntities(where, options);
}
async getBlocksAtHeight (height: number, isPruned: boolean): Promise<BlockProgress[]> {
return this._baseIndexer.getBlocksAtHeight(height, isPruned);
}
async updateBlockProgress (block: BlockProgress, lastProcessedEventIndex: number): Promise<BlockProgress> {
return this._baseIndexer.updateBlockProgress(block, lastProcessedEventIndex);
}
async _fetchAndSaveEvents (block: DeepPartial<BlockProgress>): Promise<BlockProgress> {
assert(block.blockHash);
const events = await this._uniClient.getEvents(block.blockHash);
const dbEvents: Array<DeepPartial<Event>> = [];
for (let i = 0; i < events.length; i++) {
const {
tx,
contract,
eventIndex,
event,
proof
} = events[i];
const { __typename: eventName, ...eventInfo } = event;
const extraInfo = { tx, eventIndex };
dbEvents.push({
index: i,
txHash: tx.hash,
contract,
eventName,
eventInfo: JSONbig.stringify(eventInfo),
extraInfo: JSONbig.stringify(extraInfo),
proof: JSONbig.stringify(proof)
});
}
const dbTx = await this._db.createTransactionRunner();
try {
const blockProgress = await this._db.saveEvents(dbTx, block, dbEvents);
await dbTx.commitTransaction();
return blockProgress;
} catch (error) {
await dbTx.rollbackTransaction();
throw error;
} finally {
await dbTx.release();
}
}
async _handlePoolCreated (block: Block, contractAddress: string, tx: Transaction, poolCreatedEvent: PoolCreatedEvent): Promise<void> {
let { token0: token0Address, token1: token1Address, fee, pool: poolAddress } = poolCreatedEvent;
// Get the addresses in lowercase.
token0Address = utils.hexlify(token0Address);
token1Address = utils.hexlify(token1Address);
poolAddress = utils.hexlify(poolAddress);
// Temp fix from Subgraph mapping code.
if (utils.getAddress(poolAddress) === utils.getAddress('0x8fe8d9bb8eeba3ed688069c3d6b556c9ca258248')) {
return;
}
// Get Tokens.
let [token0, token1] = await Promise.all([
this._db.getTokenNoTx({ blockHash: block.hash, id: token0Address }),
this._db.getTokenNoTx({ blockHash: block.hash, id: token1Address })
]);
// Create Tokens if not present.
if (!token0) {
token0 = await this._initToken(block, token0Address);
}
if (!token1) {
token1 = await this._initToken(block, token1Address);
}
// Bail if we couldn't figure out the decimals.
if (token0.decimals === null || token1.decimals === null) {
log('mybug the decimal on token was null');
return;
}
// Save entities to DB.
const dbTx = await this._db.createTransactionRunner();
try {
// Load factory.
let factory = await this._db.getFactory(dbTx, { blockHash: block.hash, id: contractAddress });
if (!factory) {
factory = new Factory();
factory.id = contractAddress;
factory = await this._db.saveFactory(dbTx, factory, block);
// Create new bundle for tracking eth price.
const bundle = new Bundle();
bundle.id = '1';
await this._db.saveBundle(dbTx, bundle, block);
}
// Update Factory.
factory.poolCount = BigInt(factory.poolCount) + BigInt(1);
let pool = new Pool();
pool.id = poolAddress;
token0 = await this._db.saveToken(dbTx, token0, block);
token1 = await this._db.saveToken(dbTx, token1, block);
token0 = await this._db.getToken(dbTx, token0);
token1 = await this._db.getToken(dbTx, token1);
assert(token0);
assert(token1);
pool.token0 = token0;
pool.token1 = token1;
pool.feeTier = BigInt(fee);
// Skipping adding createdAtTimestamp field as it is not queried in frontend subgraph.
pool = await this._db.savePool(dbTx, pool, block);
// Update white listed pools.
if (WHITELIST_TOKENS.includes(token0.id) || this._isDemo) {
token1.whitelistPools.push(pool);
}
if (WHITELIST_TOKENS.includes(token1.id) || this._isDemo) {
token0.whitelistPools.push(pool);
}
token0 = await this._db.saveToken(dbTx, token0, block);
token1 = await this._db.saveToken(dbTx, token1, block);
pool.token0 = token0;
pool.token1 = token1;
await this._db.savePool(dbTx, pool, block);
await this._db.saveFactory(dbTx, factory, block);
await dbTx.commitTransaction();
} catch (error) {
await dbTx.rollbackTransaction();
throw error;
} finally {
await dbTx.release();
}
}
/**
* Create new Token.
* @param tokenAddress
*/
async _initToken (block: Block, tokenAddress: string): Promise<Token> {
const token = new Token();
token.id = tokenAddress;
console.time('time:indexer#_initToken-eth_call_for_token');
const symbolPromise = this._erc20Client.getSymbol(block.hash, tokenAddress);
const namePromise = this._erc20Client.getName(block.hash, tokenAddress);
const totalSupplyPromise = this._erc20Client.getTotalSupply(block.hash, tokenAddress);
const decimalsPromise = this._erc20Client.getDecimals(block.hash, tokenAddress);
const [
{ value: symbol },
{ value: name },
{ value: totalSupply },
{ value: decimals }
] = await Promise.all([symbolPromise, namePromise, totalSupplyPromise, decimalsPromise]);
console.timeEnd('time:indexer#_initToken-eth_call_for_token');
token.symbol = symbol;
token.name = name;
token.totalSupply = totalSupply;
token.decimals = decimals;
return token;
}
async _handleInitialize (block: Block, contractAddress: string, tx: Transaction, initializeEvent: InitializeEvent): Promise<void> {
const { sqrtPriceX96, tick } = initializeEvent;
const dbTx = await this._db.createTransactionRunner();
try {
// Get the contract address in lowercase as pool address.
const poolAddress = utils.hexlify(contractAddress);
const pool = await this._db.getPool(dbTx, { id: poolAddress, blockHash: block.hash });
assert(pool, `Pool ${poolAddress} not found.`);
// Update Pool.
pool.sqrtPrice = BigInt(sqrtPriceX96);
pool.tick = BigInt(tick);
// Update ETH price now that prices could have changed.
const bundle = await this._db.getBundle(dbTx, { id: '1', blockHash: block.hash });
assert(bundle);
bundle.ethPriceUSD = await getEthPriceInUSD(this._db, dbTx, block, this._isDemo);
// Update token prices.
const [token0, token1] = await Promise.all([
this._db.getToken(dbTx, { id: pool.token0.id, blockHash: block.hash }),
this._db.getToken(dbTx, { id: pool.token1.id, blockHash: block.hash })
]);
assert(token0 && token1, 'Pool tokens not found.');
token0.derivedETH = await findEthPerToken(this._db, dbTx, token0, this._isDemo);
token1.derivedETH = await findEthPerToken(this._db, dbTx, token1, this._isDemo);
pool.token0 = token0;
pool.token1 = token1;
await this._db.savePool(dbTx, pool, block);
await this._db.saveBundle(dbTx, bundle, block);
await updatePoolDayData(this._db, dbTx, { contractAddress, block });
await updatePoolHourData(this._db, dbTx, { contractAddress, block });
await Promise.all([
this._db.saveToken(dbTx, token0, block),
this._db.saveToken(dbTx, token1, block)
]);
await dbTx.commitTransaction();
} catch (error) {
await dbTx.rollbackTransaction();
throw error;
} finally {
await dbTx.release();
}
}
async _handleMint (block: Block, contractAddress: string, tx: Transaction, mintEvent: MintEvent): Promise<void> {
const dbTx = await this._db.createTransactionRunner();
try {
const bundle = await this._db.getBundle(dbTx, { id: '1', blockHash: block.hash });
assert(bundle);
// Get the contract address in lowercase as pool address.
const poolAddress = utils.hexlify(contractAddress);
let pool = await this._db.getPool(dbTx, { id: poolAddress, blockHash: block.hash });
assert(pool);
// TODO: In subgraph factory is fetched by hardcoded factory address.
// Currently fetching first factory in database as only one exists.
const [factory] = await this._db.getModelEntities(dbTx, Factory, { hash: block.hash }, {}, { limit: 1 });
let token0 = await this._db.getToken(dbTx, pool.token0);
let token1 = await this._db.getToken(dbTx, pool.token1);
assert(token0);
assert(token1);
const amount0 = convertTokenToDecimal(BigInt(mintEvent.amount0), BigInt(token0.decimals));
const amount1 = convertTokenToDecimal(BigInt(mintEvent.amount1), BigInt(token1.decimals));
const amountUSD = amount0
.times(token0.derivedETH.times(bundle.ethPriceUSD))
.plus(amount1.times(token1.derivedETH.times(bundle.ethPriceUSD)));
// Reset tvl aggregates until new amounts calculated.
factory.totalValueLockedETH = factory.totalValueLockedETH.minus(pool.totalValueLockedETH);
// Update globals.
factory.txCount = BigInt(factory.txCount) + BigInt(1);
// Update token0 data.
token0.txCount = BigInt(token0.txCount) + BigInt(1);
token0.totalValueLocked = token0.totalValueLocked.plus(amount0);
token0.totalValueLockedUSD = token0.totalValueLocked.times(token0.derivedETH.times(bundle.ethPriceUSD));
// Update token1 data.
token1.txCount = BigInt(token1.txCount) + BigInt(1);
token1.totalValueLocked = token1.totalValueLocked.plus(amount1);
token1.totalValueLockedUSD = token1.totalValueLocked.times(token1.derivedETH.times(bundle.ethPriceUSD));
// Pool data.
pool.txCount = BigInt(pool.txCount) + BigInt(1);
// Pools liquidity tracks the currently active liquidity given pools current tick.
// We only want to update it on mint if the new position includes the current tick.
if (pool.tick !== null) {
if (
BigInt(mintEvent.tickLower) <= BigInt(pool.tick) &&
BigInt(mintEvent.tickUpper) > BigInt(pool.tick)
) {
pool.liquidity = BigInt(pool.liquidity) + BigInt(mintEvent.amount);
}
}
pool.totalValueLockedToken0 = pool.totalValueLockedToken0.plus(amount0);
pool.totalValueLockedToken1 = pool.totalValueLockedToken1.plus(amount1);
pool.totalValueLockedETH = pool.totalValueLockedToken0.times(token0.derivedETH)
.plus(pool.totalValueLockedToken1.times(token1.derivedETH));
pool.totalValueLockedUSD = pool.totalValueLockedETH.times(bundle.ethPriceUSD);
// Reset aggregates with new amounts.
factory.totalValueLockedETH = factory.totalValueLockedETH.plus(pool.totalValueLockedETH);
factory.totalValueLockedUSD = factory.totalValueLockedETH.times(bundle.ethPriceUSD);
const transaction = await loadTransaction(this._db, dbTx, { block, tx });
const mint = new Mint();
mint.id = transaction.id + '#' + pool.txCount.toString();
mint.transaction = transaction;
mint.timestamp = transaction.timestamp;
mint.pool = pool;
mint.token0 = pool.token0;
mint.token1 = pool.token1;
mint.owner = mintEvent.owner;
mint.sender = mintEvent.sender;
mint.origin = tx.from;
mint.amount = BigInt(mintEvent.amount);
mint.amount0 = amount0;
mint.amount1 = amount1;
mint.amountUSD = amountUSD;
mint.tickLower = BigInt(mintEvent.tickLower);
mint.tickUpper = BigInt(mintEvent.tickUpper);
// Tick entities.
const lowerTickIdx = mintEvent.tickLower;
const upperTickIdx = mintEvent.tickUpper;
const lowerTickId = poolAddress + '#' + mintEvent.tickLower.toString();
const upperTickId = poolAddress + '#' + mintEvent.tickUpper.toString();
let lowerTick = await this._db.getTick(dbTx, { id: lowerTickId, blockHash: block.hash });
let upperTick = await this._db.getTick(dbTx, { id: upperTickId, blockHash: block.hash });
if (!lowerTick) {
lowerTick = await createTick(this._db, dbTx, lowerTickId, BigInt(lowerTickIdx), pool, block);
}
if (!upperTick) {
upperTick = await createTick(this._db, dbTx, upperTickId, BigInt(upperTickIdx), pool, block);
}
const amount = BigInt(mintEvent.amount);
lowerTick.liquidityGross = BigInt(lowerTick.liquidityGross) + amount;
lowerTick.liquidityNet = BigInt(lowerTick.liquidityNet) + amount;
upperTick.liquidityGross = BigInt(upperTick.liquidityGross) + amount;
upperTick.liquidityNet = BigInt(upperTick.liquidityNet) + amount;
// TODO: Update Tick's volume, fees, and liquidity provider count.
// Computing these on the tick level requires reimplementing some of the swapping code from v3-core.
await updateUniswapDayData(this._db, dbTx, { block, contractAddress });
await updateTokenDayData(this._db, dbTx, token0, { block });
await updateTokenDayData(this._db, dbTx, token1, { block });
await updateTokenHourData(this._db, dbTx, token0, { block });
await updateTokenHourData(this._db, dbTx, token1, { block });
await updatePoolDayData(this._db, dbTx, { block, contractAddress });
await updatePoolHourData(this._db, dbTx, { block, contractAddress });
[token0, token1] = await Promise.all([
this._db.saveToken(dbTx, token0, block),
this._db.saveToken(dbTx, token1, block)
]);
pool.token0 = token0;
pool.token1 = token1;
pool = await this._db.savePool(dbTx, pool, block);
await this._db.saveFactory(dbTx, factory, block);
mint.pool = pool;
mint.token0 = token0;
mint.token1 = token1;
await this._db.saveMint(dbTx, mint, block);
lowerTick.pool = pool;
upperTick.pool = pool;
await Promise.all([
await this._db.saveTick(dbTx, lowerTick, block),
await this._db.saveTick(dbTx, upperTick, block)
]);
// Update inner tick vars and save the ticks.
await this._updateTickFeeVarsAndSave(dbTx, lowerTick, block);
await this._updateTickFeeVarsAndSave(dbTx, upperTick, block);
await dbTx.commitTransaction();
} catch (error) {
await dbTx.rollbackTransaction();
throw error;
} finally {
await dbTx.release();
}
}
async _handleBurn (block: Block, contractAddress: string, tx: Transaction, burnEvent: BurnEvent): Promise<void> {
const dbTx = await this._db.createTransactionRunner();
try {
const bundle = await this._db.getBundle(dbTx, { id: '1', blockHash: block.hash });
assert(bundle);
// Get the contract address in lowercase as pool address.
const poolAddress = utils.hexlify(contractAddress);
let pool = await this._db.getPool(dbTx, { id: poolAddress, blockHash: block.hash });
assert(pool);
// TODO: In subgraph factory is fetched by hardcoded factory address.
// Currently fetching first factory in database as only one exists.
const [factory] = await this._db.getModelEntities(dbTx, Factory, { hash: block.hash }, {}, { limit: 1 });
let token0 = await this._db.getToken(dbTx, pool.token0);
let token1 = await this._db.getToken(dbTx, pool.token1);
assert(token0);
assert(token1);
const amount0 = convertTokenToDecimal(BigInt(burnEvent.amount0), BigInt(token0.decimals));
const amount1 = convertTokenToDecimal(BigInt(burnEvent.amount1), BigInt(token1.decimals));
const amountUSD = amount0
.times(token0.derivedETH.times(bundle.ethPriceUSD))
.plus(amount1.times(token1.derivedETH.times(bundle.ethPriceUSD)));
// Reset tvl aggregates until new amounts calculated.
factory.totalValueLockedETH = factory.totalValueLockedETH.minus(pool.totalValueLockedETH);
// Update globals.
factory.txCount = BigInt(factory.txCount) + BigInt(1);
// Update token0 data.
token0.txCount = BigInt(token0.txCount) + BigInt(1);
token0.totalValueLocked = token0.totalValueLocked.minus(amount0);
token0.totalValueLockedUSD = token0.totalValueLocked.times(token0.derivedETH.times(bundle.ethPriceUSD));
// Update token1 data.
token1.txCount = BigInt(token1.txCount) + BigInt(1);
token1.totalValueLocked = token1.totalValueLocked.minus(amount1);
token1.totalValueLockedUSD = token1.totalValueLocked.times(token1.derivedETH.times(bundle.ethPriceUSD));
// Pool data.
pool.txCount = BigInt(pool.txCount) + BigInt(1);
// Pools liquidity tracks the currently active liquidity given pools current tick.
// We only want to update it on burn if the position being burnt includes the current tick.
if (pool.tick !== null) {
if (
BigInt(burnEvent.tickLower) <= BigInt(pool.tick) &&
BigInt(burnEvent.tickUpper) > BigInt(pool.tick)
) {
pool.liquidity = BigInt(pool.liquidity) - BigInt(burnEvent.amount);
}
}
pool.totalValueLockedToken0 = pool.totalValueLockedToken0.minus(amount0);
pool.totalValueLockedToken1 = pool.totalValueLockedToken1.minus(amount1);
pool.totalValueLockedETH = pool.totalValueLockedToken0
.times(token0.derivedETH)
.plus(pool.totalValueLockedToken1.times(token1.derivedETH));
pool.totalValueLockedUSD = pool.totalValueLockedETH.times(bundle.ethPriceUSD);
// Reset aggregates with new amounts.
factory.totalValueLockedETH = factory.totalValueLockedETH.plus(pool.totalValueLockedETH);
factory.totalValueLockedUSD = factory.totalValueLockedETH.times(bundle.ethPriceUSD);
// Burn entity.
const transaction = await loadTransaction(this._db, dbTx, { block, tx });
const burn = new Burn();
burn.id = transaction.id + '#' + pool.txCount.toString();
burn.transaction = transaction;
burn.timestamp = transaction.timestamp;
burn.pool = pool;
burn.token0 = pool.token0;
burn.token1 = pool.token1;
burn.owner = burnEvent.owner;
burn.origin = tx.from;
burn.amount = BigInt(burnEvent.amount);
burn.amount0 = amount0;
burn.amount1 = amount1;
burn.amountUSD = amountUSD;
burn.tickLower = BigInt(burnEvent.tickLower);
burn.tickUpper = BigInt(burnEvent.tickUpper);
// Tick entities.
const lowerTickId = poolAddress + '#' + (burnEvent.tickLower).toString();
const upperTickId = poolAddress + '#' + (burnEvent.tickUpper).toString();
const lowerTick = await this._db.getTick(dbTx, { id: lowerTickId, blockHash: block.hash });
const upperTick = await this._db.getTick(dbTx, { id: upperTickId, blockHash: block.hash });
assert(lowerTick && upperTick);
const amount = BigInt(burnEvent.amount);
lowerTick.liquidityGross = BigInt(lowerTick.liquidityGross) - amount;
lowerTick.liquidityNet = BigInt(lowerTick.liquidityNet) - amount;
upperTick.liquidityGross = BigInt(upperTick.liquidityGross) - amount;
upperTick.liquidityNet = BigInt(upperTick.liquidityNet) + amount;
await updateUniswapDayData(this._db, dbTx, { block, contractAddress });
await updateTokenDayData(this._db, dbTx, token0, { block });
await updateTokenDayData(this._db, dbTx, token0, { block });
await updateTokenHourData(this._db, dbTx, token0, { block });
await updateTokenHourData(this._db, dbTx, token0, { block });
await updatePoolDayData(this._db, dbTx, { block, contractAddress });
await updatePoolHourData(this._db, dbTx, { block, contractAddress });
await this._updateTickFeeVarsAndSave(dbTx, lowerTick, block);
await this._updateTickFeeVarsAndSave(dbTx, upperTick, block);
[token0, token1] = await Promise.all([
this._db.saveToken(dbTx, token0, block),
this._db.saveToken(dbTx, token1, block)
]);
pool.token0 = token0;
pool.token1 = token1;
pool = await this._db.savePool(dbTx, pool, block);
await this._db.saveFactory(dbTx, factory, block);
// Skipping update Tick fee and Tick day data as they are not queried.
lowerTick.pool = pool;
upperTick.pool = pool;
await Promise.all([
await this._db.saveTick(dbTx, lowerTick, block),
await this._db.saveTick(dbTx, upperTick, block)
]);
burn.pool = pool;
burn.token0 = token0;
burn.token1 = token1;
await this._db.saveBurn(dbTx, burn, block);
await dbTx.commitTransaction();
} catch (error) {
await dbTx.rollbackTransaction();
throw error;
} finally {
await dbTx.release();
}
}
async _handleSwap (block: Block, contractAddress: string, tx: Transaction, swapEvent: SwapEvent): Promise<void> {
const dbTx = await this._db.createTransactionRunner();
try {
let bundle = await this._db.getBundle(dbTx, { id: '1', blockHash: block.hash });
assert(bundle);
// TODO: In subgraph factory is fetched by hardcoded factory address.
// Currently fetching first factory in database as only one exists.
const [factory] = await this._db.getModelEntities(dbTx, Factory, { hash: block.hash }, {}, { limit: 1 });
// Get the contract address in lowercase as pool address.
const poolAddress = utils.hexlify(contractAddress);
let pool = await this._db.getPool(dbTx, { id: poolAddress, blockHash: block.hash });
assert(pool);
// Hot fix for bad pricing.
if (pool.id === '0x9663f2ca0454accad3e094448ea6f77443880454') {
return;
}
let [token0, token1] = await Promise.all([
this._db.getToken(dbTx, { id: pool.token0.id, blockHash: block.hash }),
this._db.getToken(dbTx, { id: pool.token1.id, blockHash: block.hash })
]);
assert(token0 && token1, 'Pool tokens not found.');
const oldTick = pool.tick;
// Check that the tick value is not null (can be zero).
assert(oldTick !== null);
// Amounts - 0/1 are token deltas. Can be positive or negative.
const amount0 = convertTokenToDecimal(BigInt(swapEvent.amount0), BigInt(token0.decimals));
const amount1 = convertTokenToDecimal(BigInt(swapEvent.amount1), BigInt(token1.decimals));
// Need absolute amounts for volume.
let amount0Abs = amount0;
let amount1Abs = amount1;
if (amount0.lt(new GraphDecimal(0))) {
amount0Abs = amount0.times(new GraphDecimal('-1'));
}
if (amount1.lt(new GraphDecimal(0))) {
amount1Abs = amount1.times(new GraphDecimal('-1'));
}
const amount0ETH = amount0Abs.times(token0.derivedETH);
const amount1ETH = amount1Abs.times(token1.derivedETH);
const amount0USD = amount0ETH.times(bundle.ethPriceUSD);
const amount1USD = amount1ETH.times(bundle.ethPriceUSD);
// Get amount that should be tracked only - div 2 because cant count both input and output as volume.
const trackedAmountUSD = await getTrackedAmountUSD(this._db, dbTx, amount0Abs, token0, amount1Abs, token1, this._isDemo);
const amountTotalUSDTracked = trackedAmountUSD.div(new GraphDecimal('2'));
const amountTotalETHTracked = safeDiv(amountTotalUSDTracked, bundle.ethPriceUSD);
const amountTotalUSDUntracked = amount0USD.plus(amount1USD).div(new GraphDecimal('2'));
const feesETH = amountTotalETHTracked.times(pool.feeTier.toString()).div(new GraphDecimal('1000000'));
const feesUSD = amountTotalUSDTracked.times(pool.feeTier.toString()).div(new GraphDecimal('1000000'));
// Global updates.
factory.txCount = BigInt(factory.txCount) + BigInt(1);
factory.totalVolumeETH = factory.totalVolumeETH.plus(amountTotalETHTracked);
factory.totalVolumeUSD = factory.totalVolumeUSD.plus(amountTotalUSDTracked);
factory.untrackedVolumeUSD = factory.untrackedVolumeUSD.plus(amountTotalUSDUntracked);
factory.totalFeesETH = factory.totalFeesETH.plus(feesETH);
factory.totalFeesUSD = factory.totalFeesUSD.plus(feesUSD);
// Reset aggregate tvl before individual pool tvl updates.
const currentPoolTvlETH = pool.totalValueLockedETH;
factory.totalValueLockedETH = factory.totalValueLockedETH.minus(currentPoolTvlETH);
// pool volume
pool.volumeToken0 = pool.volumeToken0.plus(amount0Abs);
pool.volumeToken1 = pool.volumeToken1.plus(amount1Abs);
pool.volumeUSD = pool.volumeUSD.plus(amountTotalUSDTracked);
pool.untrackedVolumeUSD = pool.untrackedVolumeUSD.plus(amountTotalUSDUntracked);
pool.feesUSD = pool.feesUSD.plus(feesUSD);
pool.txCount = BigInt(pool.txCount) + BigInt(1);
// Update the pool with the new active liquidity, price, and tick.
pool.liquidity = BigInt(swapEvent.liquidity);
pool.tick = BigInt(swapEvent.tick);
pool.sqrtPrice = BigInt(swapEvent.sqrtPriceX96);
pool.totalValueLockedToken0 = pool.totalValueLockedToken0.plus(amount0);
pool.totalValueLockedToken1 = pool.totalValueLockedToken1.plus(amount1);
// Update token0 data.
token0.volume = token0.volume.plus(amount0Abs);
token0.totalValueLocked = token0.totalValueLocked.plus(amount0);
token0.volumeUSD = token0.volumeUSD.plus(amountTotalUSDTracked);
token0.untrackedVolumeUSD = token0.untrackedVolumeUSD.plus(amountTotalUSDUntracked);
token0.feesUSD = token0.feesUSD.plus(feesUSD);
token0.txCount = BigInt(token0.txCount) + BigInt(1);
// Update token1 data.
token1.volume = token1.volume.plus(amount1Abs);
token1.totalValueLocked = token1.totalValueLocked.plus(amount1);
token1.volumeUSD = token1.volumeUSD.plus(amountTotalUSDTracked);
token1.untrackedVolumeUSD = token1.untrackedVolumeUSD.plus(amountTotalUSDUntracked);
token1.feesUSD = token1.feesUSD.plus(feesUSD);
token1.txCount = BigInt(token1.txCount) + BigInt(1);
// Updated pool rates.
const prices = sqrtPriceX96ToTokenPrices(pool.sqrtPrice, token0 as Token, token1 as Token);
pool.token0Price = prices[0];
pool.token1Price = prices[1];
// Update USD pricing.
bundle.ethPriceUSD = await getEthPriceInUSD(this._db, dbTx, block, this._isDemo);
bundle = await this._db.saveBundle(dbTx, bundle, block);
token0.derivedETH = await findEthPerToken(this._db, dbTx, token0, this._isDemo);
token1.derivedETH = await findEthPerToken(this._db, dbTx, token1, this._isDemo);
/**
* Things afffected by new USD rates.
*/
pool.totalValueLockedETH = pool.totalValueLockedToken0
.times(token0.derivedETH)
.plus(pool.totalValueLockedToken1.times(token1.derivedETH));
pool.totalValueLockedUSD = pool.totalValueLockedETH.times(bundle.ethPriceUSD);
factory.totalValueLockedETH = factory.totalValueLockedETH.plus(pool.totalValueLockedETH);
factory.totalValueLockedUSD = factory.totalValueLockedETH.times(bundle.ethPriceUSD);
token0.totalValueLockedUSD = token0.totalValueLocked.times(token0.derivedETH).times(bundle.ethPriceUSD);
token1.totalValueLockedUSD = token1.totalValueLocked.times(token1.derivedETH).times(bundle.ethPriceUSD);
// Create Swap event
const transaction = await loadTransaction(this._db, dbTx, { block, tx });
const swap = new Swap();
swap.id = transaction.id + '#' + pool.txCount.toString();
swap.transaction = transaction;
swap.timestamp = transaction.timestamp;
swap.pool = pool;
swap.token0 = pool.token0;
swap.token1 = pool.token1;
swap.sender = swapEvent.sender;
swap.origin = tx.from;
swap.recipient = swapEvent.recipient;
swap.amount0 = amount0;
swap.amount1 = amount1;
swap.amountUSD = amountTotalUSDTracked;
swap.tick = BigInt(swapEvent.tick);
swap.sqrtPriceX96 = BigInt(swapEvent.sqrtPriceX96);
// Skipping update pool fee growth as they are not queried.
// Interval data.
const uniswapDayData = await updateUniswapDayData(this._db, dbTx, { block, contractAddress });
const poolDayData = await updatePoolDayData(this._db, dbTx, { block, contractAddress });
const poolHourData = await updatePoolHourData(this._db, dbTx, { block, contractAddress });
const token0DayData = await updateTokenDayData(this._db, dbTx, token0, { block });
const token1DayData = await updateTokenDayData(this._db, dbTx, token0, { block });
const token0HourData = await updateTokenHourData(this._db, dbTx, token0, { block });
const token1HourData = await updateTokenHourData(this._db, dbTx, token0, { block });
// Update volume metrics.
uniswapDayData.volumeETH = uniswapDayData.volumeETH.plus(amountTotalETHTracked);
uniswapDayData.volumeUSD = uniswapDayData.volumeUSD.plus(amountTotalUSDTracked);
uniswapDayData.feesUSD = uniswapDayData.feesUSD.plus(feesUSD);
poolDayData.volumeUSD = poolDayData.volumeUSD.plus(amountTotalUSDTracked);
poolDayData.volumeToken0 = poolDayData.volumeToken0.plus(amount0Abs);
poolDayData.volumeToken1 = poolDayData.volumeToken1.plus(amount1Abs);
poolDayData.feesUSD = poolDayData.feesUSD.plus(feesUSD);
poolHourData.volumeUSD = poolHourData.volumeUSD.plus(amountTotalUSDTracked);
poolHourData.volumeToken0 = poolHourData.volumeToken0.plus(amount0Abs);
poolHourData.volumeToken1 = poolHourData.volumeToken1.plus(amount1Abs);
poolHourData.feesUSD = poolHourData.feesUSD.plus(feesUSD);
token0DayData.volume = token0DayData.volume.plus(amount0Abs);
token0DayData.volumeUSD = token0DayData.volumeUSD.plus(amountTotalUSDTracked);
token0DayData.untrackedVolumeUSD = token0DayData.untrackedVolumeUSD.plus(amountTotalUSDTracked);
token0DayData.feesUSD = token0DayData.feesUSD.plus(feesUSD);
token0HourData.volume = token0HourData.volume.plus(amount0Abs);
token0HourData.volumeUSD = token0HourData.volumeUSD.plus(amountTotalUSDTracked);
token0HourData.untrackedVolumeUSD = token0HourData.untrackedVolumeUSD.plus(amountTotalUSDTracked);
token0HourData.feesUSD = token0HourData.feesUSD.plus(feesUSD);
token1DayData.volume = token1DayData.volume.plus(amount1Abs);
token1DayData.volumeUSD = token1DayData.volumeUSD.plus(amountTotalUSDTracked);
token1DayData.untrackedVolumeUSD = token1DayData.untrackedVolumeUSD.plus(amountTotalUSDTracked);
token1DayData.feesUSD = token1DayData.feesUSD.plus(feesUSD);
token1HourData.volume = token1HourData.volume.plus(amount1Abs);
token1HourData.volumeUSD = token1HourData.volumeUSD.plus(amountTotalUSDTracked);
token1HourData.untrackedVolumeUSD = token1HourData.untrackedVolumeUSD.plus(amountTotalUSDTracked);
token1HourData.feesUSD = token1HourData.feesUSD.plus(feesUSD);
await this._db.saveFactory(dbTx, factory, block);
[token0, token1] = await Promise.all([
this._db.saveToken(dbTx, token0, block),
this._db.saveToken(dbTx, token1, block)
]);
pool.token0 = token0;
pool.token1 = token1;
pool = await this._db.savePool(dbTx, pool, block);
swap.token0 = token0;
swap.token1 = token1;
swap.pool = pool;
await this._db.saveSwap(dbTx, swap, block);
token0DayData.token = token0;
token1DayData.token = token1;
await this._db.saveTokenDayData(dbTx, token0DayData, block);
await this._db.saveTokenDayData(dbTx, token1DayData, block);
await this._db.saveUniswapDayData(dbTx, uniswapDayData, block);
poolDayData.pool = pool;
await this._db.savePoolDayData(dbTx, poolDayData, block);
// Update inner vars of current or crossed ticks.
const newTick = pool.tick;
// Check that the tick value is not null (can be zero).
assert(newTick !== null);
const tickSpacing = feeTierToTickSpacing(pool.feeTier);
const modulo = newTick % tickSpacing;
if (modulo === BigInt(0)) {
// Current tick is initialized and needs to be updated.
await this._loadTickUpdateFeeVarsAndSave(dbTx, Number(newTick), block, contractAddress);
}
const numIters = BigInt(
BigNumber.from(oldTick - newTick)
.abs()
.div(tickSpacing)
.toString()
);
if (numIters > BigInt(100)) {
// In case more than 100 ticks need to be updated ignore the update in
// order to avoid timeouts. From testing this behavior occurs only upon
// pool initialization. This should not be a big issue as the ticks get
// updated later. For early users this error also disappears when calling
// collect.
} else if (newTick > oldTick) {
const firstInitialized = oldTick + tickSpacing - modulo;
for (let i = firstInitialized; i < newTick; i = i + tickSpacing) {
await this._loadTickUpdateFeeVarsAndSave(dbTx, Number(i), block, contractAddress);
}
} else if (newTick < oldTick) {
const firstInitialized = oldTick - modulo;
for (let i = firstInitialized; i >= newTick; i = i - tickSpacing) {
await this._loadTickUpdateFeeVarsAndSave(dbTx, Number(i), block, contractAddress);
}
}
await dbTx.commitTransaction();
} catch (error) {
await dbTx.rollbackTransaction();
throw error;
} finally {
await dbTx.release();
}
}
async _handleIncreaseLiquidity (block: Block, contractAddress: string, tx: Transaction, event: IncreaseLiquidityEvent): Promise<void> {
let position = await this._getPosition(block, contractAddress, tx, BigInt(event.tokenId));
// position was not able to be fetched.
if (position === null) {
return;
}
// Temp fix from Subgraph mapping code.
if (utils.getAddress(position.pool.id) === utils.getAddress('0x8fe8d9bb8eeba3ed688069c3d6b556c9ca258248')) {
return;
}
await this._updateFeeVars(position, block, contractAddress, BigInt(event.tokenId));
const dbTx = await this._db.createTransactionRunner();
try {
if (!position.transaction) {
const transaction = await loadTransaction(this._db, dbTx, { block, tx });
position.transaction = transaction;
position = await this._db.savePosition(dbTx, position, block);
}
const token0 = position.token0;
const token1 = position.token1;
const amount0 = convertTokenToDecimal(BigInt(event.amount0), BigInt(token0.decimals));
const amount1 = convertTokenToDecimal(BigInt(event.amount1), BigInt(token1.decimals));
position.liquidity = BigInt(position.liquidity) + BigInt(event.liquidity);
position.depositedToken0 = position.depositedToken0.plus(amount0);
position.depositedToken1 = position.depositedToken1.plus(amount1);
await this._db.savePosition(dbTx, position, block);
await this._savePositionSnapshot(dbTx, position, block, tx);
await dbTx.commitTransaction();
} catch (error) {
await dbTx.rollbackTransaction();
throw error;
} finally {
await dbTx.release();
}
}
async _handleDecreaseLiquidity (block: Block, contractAddress: string, tx: Transaction, event: DecreaseLiquidityEvent): Promise<void> {
let position = await this._getPosition(block, contractAddress, tx, BigInt(event.tokenId));
// Position was not able to be fetched.
if (position == null) {
return;
}
// Temp fix from Subgraph mapping code.
if (utils.getAddress(position.pool.id) === utils.getAddress('0x8fe8d9bb8eeba3ed688069c3d6b556c9ca258248')) {
return;
}
position = await this._updateFeeVars(position, block, contractAddress, BigInt(event.tokenId));
const dbTx = await this._db.createTransactionRunner();
try {
if (!position.transaction) {
const transaction = await loadTransaction(this._db, dbTx, { block, tx });
position.transaction = transaction;
position = await this._db.savePosition(dbTx, position, block);
}
const token0 = position.token0;
const token1 = position.token1;
const amount0 = convertTokenToDecimal(BigInt(event.amount0), BigInt(token0.decimals));
const amount1 = convertTokenToDecimal(BigInt(event.amount1), BigInt(token1.decimals));
position.liquidity = BigInt(position.liquidity) - BigInt(event.liquidity);
position.depositedToken0 = position.depositedToken0.plus(amount0);
position.depositedToken1 = position.depositedToken1.plus(amount1);
await this._db.savePosition(dbTx, position, block);
await this._savePositionSnapshot(dbTx, position, block, tx);
await dbTx.commitTransaction();
} catch (error) {
await dbTx.rollbackTransaction();
throw error;
} finally {
await dbTx.release();
}
}
async _handleCollect (block: Block, contractAddress: string, tx: Transaction, event: CollectEvent): Promise<void> {
let position = await this._getPosition(block, contractAddress, tx, BigInt(event.tokenId));
// Position was not able to be fetched.
if (position == null) {
return;
}
if (utils.getAddress(position.pool.id) === utils.getAddress('0x8fe8d9bb8eeba3ed688069c3d6b556c9ca258248')) {
return;
}
position = await this._updateFeeVars(position, block, contractAddress, BigInt(event.tokenId));
const dbTx = await this._db.createTransactionRunner();
try {
if (!position.transaction) {
const transaction = await loadTransaction(this._db, dbTx, { block, tx });
position.transaction = transaction;
position = await this._db.savePosition(dbTx, position, block);
}
await this._db.savePosition(dbTx, position, block);
await this._savePositionSnapshot(dbTx, position, block, tx);
await dbTx.commitTransaction();
} catch (error) {
await dbTx.rollbackTransaction();
throw error;
} finally {
await dbTx.release();
}
}
async _handleTransfer (block: Block, contractAddress: string, tx: Transaction, event: TransferEvent): Promise<void> {
let position = await this._getPosition(block, contractAddress, tx, BigInt(event.tokenId));
// Position was not able to be fetched.
if (position === null) {
return;
}
const dbTx = await this._db.createTransactionRunner();
try {
if (!position.transaction) {
const transaction = await loadTransaction(this._db, dbTx, { block, tx });
position.transaction = transaction;
position = await this._db.savePosition(dbTx, position, block);
}
position.owner = event.to;
await this._db.savePosition(dbTx, position, block);
await this._savePositionSnapshot(dbTx, position, block, tx);
await dbTx.commitTransaction();
} catch (error) {
await dbTx.rollbackTransaction();
throw error;
} finally {
await dbTx.release();
}
}
async _updateTickFeeVarsAndSave (dbTx: QueryRunner, tick: Tick, block: Block): Promise<void> {
// Skipping update feeGrowthOutside0X128 and feeGrowthOutside1X128 data as they are not queried.
await updateTickDayData(this._db, dbTx, tick, { block });
}
async _loadTickUpdateFeeVarsAndSave (dbTx:QueryRunner, tickId: number, block: Block, contractAddress: string): Promise<void> {
// Get the contract address in lowercase as pool address.
const poolAddress = utils.hexlify(contractAddress);
const tick = await this._db.getTick(
dbTx,
{
id: poolAddress.concat('#').concat(tickId.toString()),
blockHash: block.hash
}
);
if (tick) {
await this._updateTickFeeVarsAndSave(dbTx, tick, block);
}
}
async _getPosition (block: Block, contractAddress: string, tx: Transaction, tokenId: bigint): Promise<Position | null> {
const { hash: blockHash } = block;
let position = await this._db.getPosition({ id: tokenId.toString(), blockHash });
if (!position) {
let positionResult;
try {
console.time('time:indexer#_getPosition-eth_call_for_positions');
({ value: positionResult } = await this._uniClient.positions(blockHash, contractAddress, tokenId));
console.timeEnd('time:indexer#_getPosition-eth_call_for_positions');
} catch (error: any) {
// The contract call reverts in situations where the position is minted and deleted in the same block.
// From my investigation this happens in calls from BancorSwap.
// (e.g. 0xf7867fa19aa65298fadb8d4f72d0daed5e836f3ba01f0b9b9631cdc6c36bed40)
if (error.message !== utils.Logger.errors.CALL_EXCEPTION) {
log('nfpm positions eth_call failed');
throw error;
}
}
if (positionResult) {
// TODO: In subgraph factory is fetched by hardcoded factory address.
// Currently fetching first factory in database as only one exists.
const [factory] = await this._db.getModelEntitiesNoTx(Factory, { hash: blockHash }, {}, { limit: 1 });
console.time('time:indexer#_getPosition-eth_call_for_getPool');
let { value: poolAddress } = await this._uniClient.callGetPool(blockHash, factory.id, positionResult.token0, positionResult.token1, positionResult.fee);
console.timeEnd('time:indexer#_getPosition-eth_call_for_getPool');
// Get the pool address in lowercase.
poolAddress = utils.hexlify(poolAddress);
position = new Position();
position.id = tokenId.toString();
const pool = await this._db.getPoolNoTx({ id: poolAddress, blockHash });
assert(pool);
position.pool = pool;
const [token0, token1] = await Promise.all([
this._db.getTokenNoTx({ id: utils.hexlify(positionResult.token0), blockHash }),
this._db.getTokenNoTx({ id: utils.hexlify(positionResult.token1), blockHash })
]);
assert(token0 && token1);
position.token0 = token0;
position.token1 = token1;
const [tickLower, tickUpper] = await Promise.all([
this._db.getTickNoTx({ id: poolAddress.concat('#').concat(positionResult.tickLower.toString()), blockHash }),
this._db.getTickNoTx({ id: poolAddress.concat('#').concat(positionResult.tickUpper.toString()), blockHash })
]);
assert(tickLower && tickUpper);
position.tickLower = tickLower;
position.tickUpper = tickUpper;
position.feeGrowthInside0LastX128 = BigInt(positionResult.feeGrowthInside0LastX128.toString());
position.feeGrowthInside1LastX128 = BigInt(positionResult.feeGrowthInside1LastX128.toString());
}
}
return position || null;
}
async _updateFeeVars (position: Position, block: Block, contractAddress: string, tokenId: bigint): Promise<Position> {
try {
console.time('time:indexer#_updateFeeVars-eth_call_for_positions');
const { value: positionResult } = await this._uniClient.positions(block.hash, contractAddress, tokenId);
console.timeEnd('time:indexer#_updateFeeVars-eth_call_for_positions');
if (positionResult) {
position.feeGrowthInside0LastX128 = BigInt(positionResult.feeGrowthInside0LastX128.toString());
position.feeGrowthInside1LastX128 = BigInt(positionResult.feeGrowthInside1LastX128.toString());
}
} catch (error) {
log('nfpm positions eth_call failed');
log(error);
}
return position;
}
async _savePositionSnapshot (dbTx: QueryRunner, position: Position, block: Block, tx: Transaction): Promise<void> {
const positionSnapshot = new PositionSnapshot();
positionSnapshot.id = position.id.concat('#').concat(block.number.toString());
positionSnapshot.blockNumber = block.number;
positionSnapshot.owner = position.owner;
positionSnapshot.pool = position.pool;
positionSnapshot.position = position;
positionSnapshot.timestamp = BigInt(block.timestamp);
positionSnapshot.liquidity = position.liquidity;
positionSnapshot.depositedToken0 = position.depositedToken0;
positionSnapshot.depositedToken1 = position.depositedToken1;
positionSnapshot.withdrawnToken0 = position.withdrawnToken0;
positionSnapshot.withdrawnToken1 = position.withdrawnToken1;
positionSnapshot.collectedFeesToken0 = position.collectedFeesToken0;
positionSnapshot.collectedFeesToken1 = position.collectedFeesToken1;
positionSnapshot.transaction = await loadTransaction(this._db, dbTx, { block, tx });
positionSnapshot.feeGrowthInside0LastX128 = position.feeGrowthInside0LastX128;
positionSnapshot.feeGrowthInside1LastX128 = position.feeGrowthInside1LastX128;
await this._db.savePositionSnapshot(dbTx, positionSnapshot, block);
}
}