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Changing setting to per hour

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softsimon 2023-08-03 17:42:41 +09:00
parent b213f43a91
commit 172c77328b
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GPG key ID: 488D7DCFB5A430D7
11 changed files with 55 additions and 27 deletions
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2
backend/mempool-config.sample.json
View file

@ -33,7 +33,7 @@
"DISK_CACHE_BLOCK_INTERVAL": 6,
"MAX_PUSH_TX_SIZE_WEIGHT": 4000000,
"ALLOW_UNREACHABLE": true,
"PRICE_UPDATE_FREQUENCY": 3600
"PRICE_UPDATES_PER_HOUR": 3600
},
"CORE_RPC": {
"HOST": "127.0.0.1",

2
backend/src/__fixtures__/mempool-config.template.json
View file

@ -34,7 +34,7 @@
"DISK_CACHE_BLOCK_INTERVAL": 999,
"MAX_PUSH_TX_SIZE_WEIGHT": 4000000,
"ALLOW_UNREACHABLE": true,
"PRICE_UPDATE_FREQUENCY": 3600
"PRICE_UPDATES_PER_HOUR": 1
},
"CORE_RPC": {
"HOST": "__CORE_RPC_HOST__",

2
backend/src/__tests__/config.test.ts
View file

@ -47,7 +47,7 @@ describe('Mempool Backend Config', () => {
DISK_CACHE_BLOCK_INTERVAL: 6,
MAX_PUSH_TX_SIZE_WEIGHT: 400000,
ALLOW_UNREACHABLE: true,
PRICE_UPDATE_FREQUENCY: 3600,
PRICE_UPDATES_PER_HOUR: 1,
});
expect(config.ELECTRUM).toStrictEqual({ HOST: '127.0.0.1', PORT: 3306, TLS_ENABLED: true });

4
backend/src/config.ts
View file

@ -38,7 +38,7 @@ interface IConfig {
DISK_CACHE_BLOCK_INTERVAL: number;
MAX_PUSH_TX_SIZE_WEIGHT: number;
ALLOW_UNREACHABLE: boolean;
PRICE_UPDATE_FREQUENCY: number;
PRICE_UPDATES_PER_HOUR: number;
};
ESPLORA: {
REST_API_URL: string;
@ -178,7 +178,7 @@ const defaults: IConfig = {
'DISK_CACHE_BLOCK_INTERVAL': 6,
'MAX_PUSH_TX_SIZE_WEIGHT': 400000,
'ALLOW_UNREACHABLE': true,
'PRICE_UPDATE_FREQUENCY': 3600,
'PRICE_UPDATES_PER_HOUR': 1,
},
'ESPLORA': {
'REST_API_URL': 'http://127.0.0.1:3000',

2
backend/src/indexer.ts
View file

@ -106,7 +106,7 @@ class Indexer {
}
try {
await priceUpdater.$run(true);
await priceUpdater.$run();
} catch (e) {
logger.err(`Running priceUpdater failed. Reason: ` + (e instanceof Error ? e.message : e));
}

2
backend/src/repositories/PricesRepository.ts
View file

@ -65,7 +65,7 @@ class PricesRepository {
try {
await DB.query(`
INSERT IGNORE INTO prices(time, USD, EUR, GBP, CAD, CHF, AUD, JPY)
INSERT INTO prices(time, USD, EUR, GBP, CAD, CHF, AUD, JPY)
VALUE (FROM_UNIXTIME(?), ?, ?, ?, ?, ?, ?, ? )`,
[time, prices.USD, prices.EUR, prices.GBP, prices.CAD, prices.CHF, prices.AUD, prices.JPY]
);

56
backend/src/tasks/price-updater.ts
View file

@ -25,7 +25,9 @@ export interface PriceHistory {
class PriceUpdater {
public historyInserted = false;
private lastRun = 0;
private timeBetweenUpdatesMs = 3600000 / config.MEMPOOL.PRICE_UPDATES_PER_HOUR;
private cyclePosition = -1;
private firstRun = true;
private lastHistoricalRun = 0;
private running = false;
private feeds: PriceFeed[] = [];
@ -41,6 +43,8 @@ class PriceUpdater {
this.feeds.push(new CoinbaseApi());
this.feeds.push(new BitfinexApi());
this.feeds.push(new GeminiApi());
this.setCyclePosition();
}
public getLatestPrices(): ApiPrice {
@ -72,7 +76,7 @@ class PriceUpdater {
this.latestPrices = await PricesRepository.$getLatestConversionRates();
}
public async $run(storeInDb: boolean = false): Promise<void> {
public async $run(): Promise<void> {
if (config.MEMPOOL.NETWORK === 'signet' || config.MEMPOOL.NETWORK === 'testnet') {
// Coins have no value on testnet/signet, so we want to always show 0
return;
@ -89,7 +93,7 @@ class PriceUpdater {
}
try {
await this.$updatePrice(storeInDb);
await this.$updatePrice();
if (this.historyInserted === false && config.DATABASE.ENABLED === true) {
await this.$insertHistoricalPrices();
}
@ -100,22 +104,42 @@ class PriceUpdater {
this.running = false;
}
private getMillisecondsSinceBeginningOfHour(): number {
const now = new Date();
const beginningOfHour = new Date(now);
beginningOfHour.setMinutes(0, 0, 0);
return now.getTime() - beginningOfHour.getTime();
}
private setCyclePosition(): void {
const millisecondsSinceBeginningOfHour = this.getMillisecondsSinceBeginningOfHour();
for (let i = 0; i < config.MEMPOOL.PRICE_UPDATES_PER_HOUR; i++) {
if (this.timeBetweenUpdatesMs * i > millisecondsSinceBeginningOfHour) {
this.cyclePosition = i;
return;
}
}
this.cyclePosition = config.MEMPOOL.PRICE_UPDATES_PER_HOUR;
}
/**
* Fetch last BTC price from exchanges, average them, and save it in the database once every hour
*/
private async $updatePrice(storeInDb: boolean): Promise<void> {
if (this.lastRun === 0 && config.DATABASE.ENABLED === true) {
this.lastRun = await PricesRepository.$getLatestPriceTime();
private async $updatePrice(): Promise<void> {
let forceUpdate = false;
if (this.firstRun === true && config.DATABASE.ENABLED === true) {
const lastUpdate = await PricesRepository.$getLatestPriceTime();
if (new Date().getTime() / 1000 - lastUpdate > this.timeBetweenUpdatesMs / 1000) {
forceUpdate = true;
}
this.firstRun = false;
}
if ((Math.round(new Date().getTime() / 1000) - this.lastRun) < Math.min(config.MEMPOOL.PRICE_UPDATE_FREQUENCY, 3600)) {
// Refresh at least every hour or PRICE_UPDATE_FREQUENCY seconds
const millisecondsSinceBeginningOfHour = this.getMillisecondsSinceBeginningOfHour();
if (millisecondsSinceBeginningOfHour < this.timeBetweenUpdatesMs * this.cyclePosition && !forceUpdate) {
return;
}
const previousRun = this.lastRun;
this.lastRun = new Date().getTime() / 1000;
for (const currency of this.currencies) {
let prices: number[] = [];
@ -146,14 +170,13 @@ class PriceUpdater {
}
}
if (config.DATABASE.ENABLED === true && storeInDb) {
if (config.DATABASE.ENABLED === true && this.cyclePosition === 0) {
// Save everything in db
try {
const p = 60 * 60 * 1000; // milliseconds in an hour
const nowRounded = new Date(Math.round(new Date().getTime() / p) * p); // https://stackoverflow.com/a/28037042
await PricesRepository.$savePrices(nowRounded.getTime() / 1000, this.latestPrices);
} catch (e) {
this.lastRun = previousRun + 5 * 60;
logger.err(`Cannot save latest prices into db. Trying again in 5 minutes. Reason: ${(e instanceof Error ? e.message : e)}`);
}
}
@ -165,7 +188,12 @@ class PriceUpdater {
this.ratesChangedCallback(this.latestPrices);
}
this.lastRun = new Date().getTime() / 1000;
if (!forceUpdate) {
this.cyclePosition++;
if (this.cyclePosition > config.MEMPOOL.PRICE_UPDATES_PER_HOUR) {
this.cyclePosition = 0;
}
}
if (this.latestPrices.USD === -1) {
this.latestPrices = await PricesRepository.$getLatestConversionRates();

4
docker/README.md
View file

@ -114,7 +114,7 @@ Below we list all settings from `mempool-config.json` and the corresponding over
"CPFP_INDEXING": false,
"MAX_BLOCKS_BULK_QUERY": 0,
"DISK_CACHE_BLOCK_INTERVAL": 6,
"PRICE_UPDATE_FREQUENCY": 3600
"PRICE_UPDATES_PER_HOUR": 1
},
```
@ -147,7 +147,7 @@ Corresponding `docker-compose.yml` overrides:
MEMPOOL_CPFP_INDEXING: ""
MEMPOOL_MAX_BLOCKS_BULK_QUERY: ""
MEMPOOL_DISK_CACHE_BLOCK_INTERVAL: ""
MEMPOOL_PRICE_UPDATE_FREQUENCY: ""
MEMPOOL_PRICE_UPDATES_PER_HOUR: ""
...
```

2
docker/backend/mempool-config.json
View file

@ -34,7 +34,7 @@
"ALLOW_UNREACHABLE": __MEMPOOL_ALLOW_UNREACHABLE__,
"POOLS_JSON_TREE_URL": "__MEMPOOL_POOLS_JSON_TREE_URL__",
"POOLS_JSON_URL": "__MEMPOOL_POOLS_JSON_URL__",
"PRICE_UPDATE_FREQUENCY": __MEMPOOL_PRICE_UPDATE_FREQUENCY__
"PRICE_UPDATES_PER_HOUR": __MEMPOOL_PRICE_UPDATES_PER_HOUR__
},
"CORE_RPC": {
"HOST": "__CORE_RPC_HOST__",

4
docker/backend/start.sh
View file

@ -35,7 +35,7 @@ __MEMPOOL_MAX_BLOCKS_BULK_QUERY__=${MEMPOOL_MAX_BLOCKS_BULK_QUERY:=0}
__MEMPOOL_DISK_CACHE_BLOCK_INTERVAL__=${MEMPOOL_DISK_CACHE_BLOCK_INTERVAL:=6}
__MEMPOOL_MAX_PUSH_TX_SIZE_WEIGHT__=${MEMPOOL_MAX_PUSH_TX_SIZE_WEIGHT:=4000000}
__MEMPOOL_ALLOW_UNREACHABLE__=${MEMPOOL_ALLOW_UNREACHABLE:=true}
__MEMPOOL_PRICE_UPDATE_FREQUENCY__=${MEMPOOL_PRICE_UPDATE_FREQUENCY:=3600}
__MEMPOOL_PRICE_UPDATES_PER_HOUR__=${MEMPOOL_PRICE_UPDATES_PER_HOUR:=3600}
# CORE_RPC
__CORE_RPC_HOST__=${CORE_RPC_HOST:=127.0.0.1}
@ -173,7 +173,7 @@ sed -i "s!__MEMPOOL_MAX_BLOCKS_BULK_QUERY__!${__MEMPOOL_MAX_BLOCKS_BULK_QUERY__}
sed -i "s!__MEMPOOL_DISK_CACHE_BLOCK_INTERVAL__!${__MEMPOOL_DISK_CACHE_BLOCK_INTERVAL__}!g" mempool-config.json
sed -i "s!__MEMPOOL_MAX_PUSH_TX_SIZE_WEIGHT__!${__MEMPOOL_MAX_PUSH_TX_SIZE_WEIGHT__}!g" mempool-config.json
sed -i "s!__MEMPOOL_ALLOW_UNREACHABLE__!${__MEMPOOL_ALLOW_UNREACHABLE__}!g" mempool-config.json
sed -i "s!__MEMPOOL_PRICE_UPDATE_FREQUENCY__!${__MEMPOOL_PRICE_UPDATE_FREQUENCY__}!g" mempool-config.json
sed -i "s!__MEMPOOL_PRICE_UPDATES_PER_HOUR__!${__MEMPOOL_PRICE_UPDATES_PER_HOUR__}!g" mempool-config.json
sed -i "s!__CORE_RPC_HOST__!${__CORE_RPC_HOST__}!g" mempool-config.json
sed -i "s!__CORE_RPC_PORT__!${__CORE_RPC_PORT__}!g" mempool-config.json

2
production/mempool-config.mainnet.json
View file

@ -19,7 +19,7 @@
"DISK_CACHE_BLOCK_INTERVAL": 1,
"MAX_PUSH_TX_SIZE_WEIGHT": 4000000,
"ALLOW_UNREACHABLE": true,
"PRICE_UPDATE_FREQUENCY": 300
"PRICE_UPDATES_PER_HOUR": 12
},
"SYSLOG" : {
"MIN_PRIORITY": "debug"