tornadocash/tornado-cli
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Fixed event sync

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This commit is contained in:
Ayanami 2022-04-23 11:11:01 +09:00
parent b8bc6de79d
commit 21b667add9
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GPG Key ID: 0CABDF03077D92E4
1 changed files with 25 additions and 39 deletions
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48
cli.js
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@ -829,40 +829,28 @@ function waitForTxReceipt({ txHash, attempts = 60, delay = 1000 }) {
}
function initJson(file) {
return new Promise((resolve, reject) => {
fs.readFile(file, 'utf8', (error, data) => {
if (error) {
resolve([]);
if (fs.existsSync(file)) {
return JSON.parse(fs.readFileSync(file, { encoding: 'utf8' }));
}
try {
resolve(JSON.parse(data));
} catch (error) {
resolve([]);
}
});
});
return [];
};
function loadCachedEvents({ type, currency, amount }) {
try {
const module = require(`./cache/${netName.toLowerCase()}/${type}s_${currency}_${amount}.json`);
if (module) {
const events = module;
const fileName = `./cache/${netName.toLowerCase()}/${type}s_${currency}_${amount}.json`;
const events = initJson(fileName);
if (events.length > 0) {
return {
events,
lastBlock: events[events.length - 1].blockNumber
}
}
} catch (err) {
console.log("Error fetching cached files, syncing from block", deployedBlockNumber);
return {
events: [],
lastBlock: deployedBlockNumber,
}
}
}
async function fetchEvents({ type, currency, amount }) {
if (type === "withdraw") {
@ -875,16 +863,12 @@ async function fetchEvents({ type, currency, amount }) {
console.log("Loaded cached",amount,currency.toUpperCase(),type,"events for",startBlock,"block");
console.log("Fetching",amount,currency.toUpperCase(),type,"events for",netName,"network");
async function syncEvents(syncedBlock) {
async function syncEvents() {
try {
let targetBlock = await web3.eth.getBlockNumber();
let chunks = 1000;
console.log("Querying latest events from RPC");
if (syncedBlock) {
startBlock = syncedBlock + 1;
}
for (let i = startBlock; i < targetBlock; i += chunks) {
let fetchedEvents = [];
@ -941,12 +925,12 @@ async function fetchEvents({ type, currency, amount }) {
}
}
async function updateCache() {
function updateCache() {
try {
const fileName = `./cache/${netName.toLowerCase()}/${type}s_${currency}_${amount}.json`;
const localEvents = await initJson(fileName);
const localEvents = initJson(fileName);
const events = localEvents.concat(fetchedEvents);
await fs.writeFileSync(fileName, JSON.stringify(events, null, 2), 'utf8');
fs.writeFileSync(fileName, JSON.stringify(events, null, 2), 'utf8');
} catch (error) {
throw new Error('Writing cache file failed:',error);
}
@ -955,6 +939,7 @@ async function fetchEvents({ type, currency, amount }) {
await updateCache();
}
} catch (error) {
console.error(error);
throw new Error("Error while updating cache");
process.exit(1);
}
@ -1075,11 +1060,11 @@ async function fetchEvents({ type, currency, amount }) {
}
}
async function updateCache(fetchedEvents) {
function updateCache(fetchedEvents) {
try {
let events = [];
const fileName = `./cache/${netName.toLowerCase()}/${type}s_${currency}_${amount}.json`;
const localEvents = await initJson(fileName);
const localEvents = initJson(fileName);
const totalEvents = localEvents.concat(fetchedEvents);
if (type === "deposit") {
const commit = new Set();
@ -1096,7 +1081,7 @@ async function fetchEvents({ type, currency, amount }) {
return !notSameNull;
});
}
await fs.writeFileSync(fileName, JSON.stringify(events, null, 2), 'utf8');
fs.writeFileSync(fileName, JSON.stringify(events, null, 2), 'utf8');
} catch (error) {
throw new Error('Writing cache file failed:',error);
}
@ -1136,8 +1121,9 @@ async function fetchEvents({ type, currency, amount }) {
return startBlock - 1;
}
}
const syncedBlock = await fetchGraphEvents();
await syncEvents(syncedBlock);
await fetchGraphEvents();
startBlock = loadCachedEvents({ type, currency, amount }).lastBlock + 1;
await syncEvents();
}
if (!privateRpc && subgraph && !isTestRPC) {
await syncGraphEvents();