Midnight MCP Server

import { NetworkId } from '@midnight-ntwrk/midnight-js-network-id'; import type { WalletConfig } from '../../src/wallet/index.js'; import { generateMnemonic } from 'bip39'; /** * Helper to generate a random seed phrase for testing * @returns A random BIP39 mnemonic */ export function generateTestSeed(): string { return generateMnemonic(); } /** * Creates a test wallet configuration for a local network * @returns WalletConfig suitable for local network testing */ export function createLocalNetworkConfig(): WalletConfig { return { indexer: 'http://localhost:8088/api/v1/graphql', indexerWS: 'ws://localhost:8088/api/v1/graphql/ws', node: 'http://localhost:9944', proofServer: 'http://localhost:6300', useExternalProofServer: true }; } /** * Function to wait for a wallet to be ready * @param isReadyFn Function that returns the ready status * @param timeoutMs Maximum time to wait in milliseconds * @param intervalMs Interval between checks in milliseconds * @returns Promise that resolves when ready, or rejects on timeout */ export async function waitForWalletReady( isReadyFn: () => boolean, timeoutMs = 30000, intervalMs = 100 ): Promise<void> { return new Promise((resolve, reject) => { const startTime = Date.now(); const checkReady = () => { if (isReadyFn()) { return resolve(); } if (Date.now() - startTime > timeoutMs) { return reject(new Error(`Timed out waiting for wallet to be ready after ${timeoutMs}ms`)); } setTimeout(checkReady, intervalMs); }; checkReady(); }); } /** * Get the network ID based on environment variables or default to Undeployed * @returns The appropriate NetworkId for testing */ export function getTestNetworkId(): NetworkId { const envNetwork = process.env.TEST_NETWORK_ID; if (envNetwork) { return envNetwork as NetworkId; } return NetworkId.Undeployed; } /** * Converts an amount string from micro units (e.g., '1000000') to decimal units (e.g., '1') * by dividing by 1,000,000. Both input and output are strings. * * @param microAmount String representing amount in micro units (e.g., "1000000") * @returns String representing amount in decimal units (e.g., "1") */ export function convertMicroToDecimal(microAmount: string): string { if (!microAmount) { throw new Error('Amount must be provided'); } // Check if the string represents a valid integer if (!/^\d+$/.test(microAmount)) { throw new Error('Amount must be a valid integer string'); } // Convert to BigInt for precise division const amountBigInt = BigInt(microAmount); const divisor = BigInt(1_000_000); // Perform division const quotient = amountBigInt / divisor; const remainder = amountBigInt % divisor; // Convert quotient to string let result = quotient.toString(); // If there's a remainder, add decimal part if (remainder > 0) { const remainderStr = remainder.toString().padStart(6, '0'); // Remove trailing zeros from remainder const trimmedRemainder = remainderStr.replace(/0+$/, ''); if (trimmedRemainder) { result += `.${trimmedRemainder}`; } } return result; }