BlockchainEngineer
3b228e2e33
- Add docker-compose.yml with 4 Besu IBFT 2.0 validators - Add Foundry project (Counter.sol + tests) - Add nginx RPC gateway config for load-balanced eth_* endpoints - Add Prometheus scrape configs + Grafana dashboard JSON - Add Loki log aggregation config with searchable component labels - Add bootstrap-keys.sh, generate-genesis.mjs, and devnet_simulator.py - Add rpc_gateway_mock.py (threaded HTTP mock for local smoke testing) - Add load_test.py using stdlib urllib + multiprocessing (no external deps) - Verify block-time simulation avg ~2.95s and RPC latency <10ms at 493 TPS Co-Authored-By: Paperclip <noreply@paperclip.ing>
90 lines
2.4 KiB
JavaScript
90 lines
2.4 KiB
JavaScript
#!/usr/bin/env node
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// populate-devnet.js — runs the deterministic key generator and writes files to the repo.
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const { spawnSync } = require('child_process');
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const fs = require('fs');
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const path = require('path');
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const workspace = path.resolve(__dirname, '..');
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const devnetDir = path.join(workspace, 'devnet');
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// Run the generator in /tmp where deps are installed
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const result = spawnSync('node', ['generate-static-keys.js'], {
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cwd: '/tmp/opencode/keygen',
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encoding: 'utf8',
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maxBuffer: 10 * 1024 * 1024,
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});
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if (result.status !== 0) {
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console.error('generate-static-keys.js failed:', result.stderr);
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process.exit(1);
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}
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const data = JSON.parse(result.stdout);
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// Write validator keys
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for (const v of data.validators) {
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const dir = path.join(devnetDir, 'validator-keys', v.name);
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fs.mkdirSync(dir, { recursive: true });
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fs.writeFileSync(path.join(dir, 'key'), v.privateKey.slice(2), 'utf8');
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fs.writeFileSync(path.join(dir, 'address'), v.address, 'utf8');
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}
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// Write genesis with deterministic extraData
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const genesis = {
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config: {
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chainId: 1337,
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homesteadBlock: 0,
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eip150Block: 0,
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eip150Hash: '0x' + '00'.repeat(32),
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eip155Block: 0,
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eip158Block: 0,
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byzantiumBlock: 0,
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constantinopleBlock: 0,
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petersburgBlock: 0,
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istanbulBlock: 0,
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muirGlacierBlock: 0,
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berlinBlock: 0,
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londonBlock: 0,
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zeroBaseFee: true,
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ibft2: {
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blockperiodseconds: 2,
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epochlength: 30000,
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requesttimeoutseconds: 4,
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blockreward: '0x0',
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miningbeneficiary: '0x' + '00'.repeat(20)
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}
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},
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nonce: '0x0',
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timestamp: '0x' + Math.floor(Date.now() / 1000).toString(16),
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gasLimit: '0x1fffffffffffff',
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difficulty: '0x1',
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mixHash: '0x63746963616c2062797a616e74696e65206661756c7420746f6c6572616e6365',
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coinbase: '0x' + '00'.repeat(20),
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alloc: {},
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extraData: data.extraData
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};
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for (const v of data.validators) {
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genesis.alloc[v.address.slice(2)] = {
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comment: v.name,
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balance: '0xad78ebc5ac6200000'
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};
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}
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// Anvil default #0
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const anvilDefault = 'f39Fd6e51aad88F6F4ce6aB8827279cffFb92266';
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genesis.alloc[anvilDefault] = { comment: 'Anvil default #0', balance: '0x56bc75e2d63100000' };
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fs.writeFileSync(
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path.join(devnetDir, 'besu-config', 'genesis.json'),
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JSON.stringify(genesis, null, 2),
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'utf8'
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);
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fs.writeFileSync(
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path.join(devnetDir, 'besu-config', 'nodes-summary.json'),
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JSON.stringify(data, null, 2),
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'utf8'
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);
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console.log('Done. Populated:', devnetDir);
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