SEI MCP Server V2

import { type Chain } from 'viem'; import { sei, seiTestnet, seiDevnet } from 'viem/chains'; // Default configuration values export const DEFAULT_NETWORK = 'sei'; export const DEFAULT_RPC_URL = 'https://evm-rpc.sei-apis.com'; export const DEFAULT_CHAIN_ID = 1329; // Default configuration values for testing // export const DEFAULT_NETWORK = 'sei-testnet'; // export const DEFAULT_RPC_URL = 'https://evm-rpc-testnet.sei-apis.com'; // export const DEFAULT_CHAIN_ID = 1328; // Map chain IDs to chains export const chainMap: Record<number, Chain> = { 1329: sei, 1328: seiTestnet, 713_715: seiDevnet }; // Map network names to chain IDs for easier reference export const networkNameMap: Record<string, number> = { 'sei': 1329, 'sei-testnet': 1328, 'sei-devnet': 713_715 }; // Map chain IDs to RPC URLs export const rpcUrlMap: Record<number, string> = { 1329: 'https://evm-rpc.sei-apis.com', 1328: 'https://evm-rpc-testnet.sei-apis.com', 713_715: 'https://evm-rpc-arctic-1.sei-apis.com' }; /** * Resolves a chain identifier (number or string) to a chain ID * @param chainIdentifier Chain ID (number) or network name (string) * @returns The resolved chain ID */ export function resolveChainId(chainIdentifier: number | string): number { if (typeof chainIdentifier === 'number') { return chainIdentifier; } // Convert to lowercase for case-insensitive matching const networkName = chainIdentifier.toLowerCase(); // Check if the network name is in our map if (networkName in networkNameMap) { return networkNameMap[networkName]; } // Try parsing as a number const parsedId = parseInt(networkName); if (!isNaN(parsedId)) { return parsedId; } // Default to mainnet if not found return DEFAULT_CHAIN_ID; } /** * Returns the chain configuration for the specified chain ID or network name * @param chainIdentifier Chain ID (number) or network name (string) * @returns The chain configuration * @throws Error if the network is not supported (when string is provided) */ export function getChain(chainIdentifier: number | string = DEFAULT_CHAIN_ID): Chain { if (typeof chainIdentifier === 'string') { const networkName = chainIdentifier.toLowerCase(); // Try to get from direct network name mapping first if (networkNameMap[networkName]) { return chainMap[networkNameMap[networkName]] || sei; } // If not found, throw an error throw new Error(`Unsupported network: ${chainIdentifier}`); } // If it's a number, return the chain from chainMap return chainMap[chainIdentifier] || sei; } /** * Gets the appropriate RPC URL for the specified chain ID or network name * @param chainIdentifier Chain ID (number) or network name (string) * @returns The RPC URL for the specified chain */ export function getRpcUrl(chainIdentifier: number | string = DEFAULT_CHAIN_ID): string { const chainId = typeof chainIdentifier === 'string' ? resolveChainId(chainIdentifier) : chainIdentifier; return rpcUrlMap[chainId] || DEFAULT_RPC_URL; } /** * Get a list of supported networks * @returns Array of supported network names (excluding short aliases) */ export function getSupportedNetworks(): string[] { return Object.keys(networkNameMap) .filter(name => name.length > 2) // Filter out short aliases .sort(); }