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https://github.com/mempool/mempool.git
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Remove xml parser - Read only .topology file and assume json format
This commit is contained in:
nymkappa
parent
a71262f538
commit
8dc41257ce
3 changed files with 1 additions and 107 deletions
34
backend/package-lock.json
generated
34
backend/package-lock.json
generated
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@ -16,7 +16,6 @@
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"bitcoinjs-lib": "6.0.2",
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"crypto-js": "^4.0.0",
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"express": "^4.18.0",
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"fast-xml-parser": "^4.0.9",
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"maxmind": "^4.3.6",
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"mysql2": "2.3.3",
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"node-worker-threads-pool": "^1.5.1",
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@ -3136,21 +3135,6 @@
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"integrity": "sha512-DCXu6Ifhqcks7TZKY3Hxp3y6qphY5SJZmrWMDrKcERSOXWQdMhU9Ig/PYrzyw/ul9jOIyh0N4M0tbC5hodg8dw==",
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"dev": true
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},
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"node_modules/fast-xml-parser": {
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"version": "4.0.9",
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"resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-4.0.9.tgz",
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"integrity": "sha512-4G8EzDg2Nb1Qurs3f7BpFV4+jpMVsdgLVuG1Uv8O2OHJfVCg7gcA53obuKbmVqzd4Y7YXVBK05oJG7hzGIdyzg==",
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"dependencies": {
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"strnum": "^1.0.5"
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},
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"bin": {
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"fxparser": "src/cli/cli.js"
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},
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"funding": {
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"type": "paypal",
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"url": "https://paypal.me/naturalintelligence"
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}
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},
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"node_modules/fastq": {
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"version": "1.13.0",
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"resolved": "https://registry.npmjs.org/fastq/-/fastq-1.13.0.tgz",
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@ -5636,11 +5620,6 @@
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"url": "https://github.com/sponsors/sindresorhus"
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}
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},
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"node_modules/strnum": {
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"version": "1.0.5",
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"resolved": "https://registry.npmjs.org/strnum/-/strnum-1.0.5.tgz",
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"integrity": "sha512-J8bbNyKKXl5qYcR36TIO8W3mVGVHrmmxsd5PAItGkmyzwJvybiw2IVq5nqd0i4LSNSkB/sx9VHllbfFdr9k1JA=="
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},
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"node_modules/supports-color": {
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"version": "7.2.0",
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"resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
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@ -8556,14 +8535,6 @@
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"integrity": "sha512-DCXu6Ifhqcks7TZKY3Hxp3y6qphY5SJZmrWMDrKcERSOXWQdMhU9Ig/PYrzyw/ul9jOIyh0N4M0tbC5hodg8dw==",
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"dev": true
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},
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"fast-xml-parser": {
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"version": "4.0.9",
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"resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-4.0.9.tgz",
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"integrity": "sha512-4G8EzDg2Nb1Qurs3f7BpFV4+jpMVsdgLVuG1Uv8O2OHJfVCg7gcA53obuKbmVqzd4Y7YXVBK05oJG7hzGIdyzg==",
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"requires": {
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"strnum": "^1.0.5"
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}
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},
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"fastq": {
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"version": "1.13.0",
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"resolved": "https://registry.npmjs.org/fastq/-/fastq-1.13.0.tgz",
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@ -10398,11 +10369,6 @@
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"integrity": "sha512-6fPc+R4ihwqP6N/aIv2f1gMH8lOVtWQHoqC4yK6oSDVVocumAsfCqjkXnqiYMhmMwS/mEHLp7Vehlt3ql6lEig==",
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"dev": true
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},
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"strnum": {
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"version": "1.0.5",
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"resolved": "https://registry.npmjs.org/strnum/-/strnum-1.0.5.tgz",
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"integrity": "sha512-J8bbNyKKXl5qYcR36TIO8W3mVGVHrmmxsd5PAItGkmyzwJvybiw2IVq5nqd0i4LSNSkB/sx9VHllbfFdr9k1JA=="
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},
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"supports-color": {
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"version": "7.2.0",
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"resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
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@ -38,7 +38,6 @@
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"bitcoinjs-lib": "6.0.2",
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"crypto-js": "^4.0.0",
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"express": "^4.18.0",
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"fast-xml-parser": "^4.0.9",
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"maxmind": "^4.3.6",
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"mysql2": "2.3.3",
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"node-worker-threads-pool": "^1.5.1",
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@ -1,6 +1,5 @@
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import DB from '../../../database';
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import { promises } from 'fs';
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import { XMLParser } from 'fast-xml-parser';
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import logger from '../../../logger';
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import fundingTxFetcher from './funding-tx-fetcher';
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import config from '../../../config';
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@ -35,7 +34,6 @@ interface Channel {
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class LightningStatsImporter {
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topologiesFolder = config.LIGHTNING.TOPOLOGY_FOLDER;
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parser = new XMLParser();
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async $run(): Promise<void> {
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const [channels]: any[] = await DB.query('SELECT short_id from channels;');
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@ -294,7 +292,7 @@ class LightningStatsImporter {
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continue;
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}
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if (filename.indexOf('.json') === -1) {
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if (filename.indexOf('.topology') === -1) {
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continue;
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}
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@ -342,75 +340,6 @@ class LightningStatsImporter {
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logger.info(`Lightning network stats historical import completed`);
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}
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}
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/**
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* Parse the file content into XML, and return a list of nodes and channels
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*/
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private parseFile(fileContent): any {
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const graph = this.parser.parse(fileContent);
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if (Object.keys(graph).length === 0) {
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return null;
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}
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const nodes: Node[] = [];
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const channels: Channel[] = [];
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// If there is only one entry, the parser does not return an array, so we override this
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if (!Array.isArray(graph.graphml.graph.node)) {
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graph.graphml.graph.node = [graph.graphml.graph.node];
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}
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if (!Array.isArray(graph.graphml.graph.edge)) {
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graph.graphml.graph.edge = [graph.graphml.graph.edge];
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}
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for (const node of graph.graphml.graph.node) {
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if (!node.data) {
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continue;
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}
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const addresses: unknown[] = [];
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const sockets = node.data[5].split(',');
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for (const socket of sockets) {
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const parts = socket.split('://');
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addresses.push({
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network: parts[0],
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addr: parts[1],
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});
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}
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nodes.push({
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id: node.data[0],
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timestamp: node.data[1],
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features: node.data[2],
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rgb_color: node.data[3],
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alias: node.data[4],
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addresses: addresses,
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out_degree: node.data[6],
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in_degree: node.data[7],
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});
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}
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for (const channel of graph.graphml.graph.edge) {
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if (!channel.data) {
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continue;
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}
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channels.push({
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channel_id: channel.data[0],
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node1_pub: channel.data[1],
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node2_pub: channel.data[2],
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timestamp: channel.data[3],
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features: channel.data[4],
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fee_base_msat: channel.data[5],
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fee_rate_milli_msat: channel.data[6],
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htlc_minimim_msat: channel.data[7],
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cltv_expiry_delta: channel.data[8],
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htlc_maximum_msat: channel.data[9],
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});
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}
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return {
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nodes: nodes,
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edges: channels,
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};
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}
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}
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export default new LightningStatsImporter;
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