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Insert channels from historical data

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This commit is contained in:
nymkappa
2022-08-17 08:15:27 +02:00
parent f6e1ee8017
commit b9664e1c3e
4 changed files with 50 additions and 15 deletions
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4
backend/src/tasks/lightning/network-sync.service.ts
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@@ -232,8 +232,8 @@ class NetworkSyncService {
let progress = 0;
try {
logger.info(`Starting closed channels scan...`);
const channels = await channelsApi.$getChannelsByStatus(0);
logger.info(`Starting closed channels scan`);
const channels = await channelsApi.$getChannelsByStatus([0, 1]);
for (const channel of channels) {
const spendingTx = await bitcoinApi.$getOutspend(channel.transaction_id, channel.transaction_vout);
if (spendingTx.spent === true && spendingTx.status?.confirmed === true) {

45
backend/src/tasks/lightning/sync-tasks/stats-importer.ts
View File

@@ -5,6 +5,8 @@ import fundingTxFetcher from './funding-tx-fetcher';
import config from '../../../config';
import { ILightningApi } from '../../../api/lightning/lightning-api.interface';
import { isIP } from 'net';
import { Common } from '../../../api/common';
import channelsApi from '../../../api/explorer/channels.api';
const fsPromises = promises;
@@ -22,7 +24,8 @@ class LightningStatsImporter {
/**
* Generate LN network stats for one day
*/
public async computeNetworkStats(timestamp: number, networkGraph: ILightningApi.NetworkGraph): Promise<unknown> {
public async computeNetworkStats(timestamp: number,
networkGraph: ILightningApi.NetworkGraph, isHistorical: boolean = false): Promise<unknown> {
// Node counts and network shares
let clearnetNodes = 0;
let torNodes = 0;
@@ -66,11 +69,14 @@ class LightningStatsImporter {
const baseFees: number[] = [];
const alreadyCountedChannels = {};
const [channelsInDbRaw]: any[] = await DB.query(`SELECT short_id, created FROM channels`);
const channelsInDb = {};
for (const channel of channelsInDbRaw) {
channelsInDb[channel.short_id] = channel;
}
for (const channel of networkGraph.edges) {
let short_id = channel.channel_id;
if (short_id.indexOf('/') !== -1) {
short_id = short_id.slice(0, -2);
}
const short_id = Common.channelIntegerIdToShortId(channel.channel_id);
const tx = await fundingTxFetcher.$fetchChannelOpenTx(short_id);
if (!tx) {
@@ -78,6 +84,31 @@ class LightningStatsImporter {
continue;
}
// Channel is already in db, check if we need to update 'created' field
if (isHistorical === true) {
//@ts-ignore
if (channelsInDb[short_id] && channel.timestamp < channel.created) {
await DB.query(`
UPDATE channels SET created = FROM_UNIXTIME(?) WHERE channels.short_id = ?`,
//@ts-ignore
[channel.timestamp, short_id]
);
} else if (!channelsInDb[short_id]) {
await channelsApi.$saveChannel({
channel_id: short_id,
chan_point: `${tx.txid}:${short_id.split('x')[2]}`,
//@ts-ignore
last_update: channel.timestamp,
node1_pub: channel.node1_pub,
node2_pub: channel.node2_pub,
capacity: (tx.value * 100000000).toString(),
node1_policy: null,
node2_policy: null,
}, 0);
channelsInDb[channel.channel_id] = channel;
}
}
if (!nodeStats[channel.node1_pub]) {
nodeStats[channel.node1_pub] = {
capacity: 0,
@@ -102,7 +133,7 @@ class LightningStatsImporter {
nodeStats[channel.node2_pub].channels++;
}
if (channel.node1_policy !== undefined) { // Coming from the node
if (isHistorical === false) { // Coming from the node
for (const policy of [channel.node1_policy, channel.node2_policy]) {
if (policy && parseInt(policy.fee_rate_milli_msat, 10) < 5000) {
avgFeeRate += parseInt(policy.fee_rate_milli_msat, 10);
@@ -113,7 +144,7 @@ class LightningStatsImporter {
baseFees.push(parseInt(policy.fee_base_msat, 10));
}
}
} else { // Coming from the historical import
} else {
// @ts-ignore
if (channel.fee_rate_milli_msat < 5000) {
// @ts-ignore