/**
* Centralized configuration for 0G Compute tools
*
* This module provides a single source of truth for all compute-related
* configuration including RPC endpoints and contract addresses.
*
* Configuration priority:
* 1. Tool parameter (highest priority - per-call override)
* 2. Environment variable (server-wide configuration)
* 3. Default value (lowest priority - fallback)
*
* Environment Variables:
* - OG_PRIVATE_KEY: Private key for signing transactions
* - OG_EVM_RPC: EVM RPC endpoint
* - OG_SERVING_CONTRACT: Serving contract address
* - OG_NETWORK: Network selection (testnet|mainnet)
*/
// Network-specific configurations
const NETWORKS = {
testnet: {
evmRpc: "https://evmrpc-testnet.0g.ai",
servingContract: undefined, // SDK auto-detects contract based on network
},
mainnet: {
evmRpc: "https://evmrpc.0g.ai",
servingContract: undefined, // SDK auto-detects contract based on network
},
} as const;
type NetworkName = keyof typeof NETWORKS;
/**
* Get the current network configuration based on environment variable
* Defaults to testnet if not specified or invalid
*/
function getCurrentNetwork(): NetworkName {
const network = process.env.OG_NETWORK?.toLowerCase();
if (network === "mainnet" || network === "testnet") {
return network;
}
return "testnet";
}
// Get network configuration
const currentNetwork = getCurrentNetwork();
const networkConfig = NETWORKS[currentNetwork];
/**
* Compute configuration with environment variable fallbacks
*/
export const computeConfig = {
/**
* EVM RPC endpoint for blockchain transactions
* Override with OG_EVM_RPC environment variable
*/
evmRpc: process.env.OG_EVM_RPC || networkConfig.evmRpc,
/**
* Serving contract address
* Override with OG_SERVING_CONTRACT environment variable
*/
servingContract:
process.env.OG_SERVING_CONTRACT || networkConfig.servingContract,
/**
* Private key for signing transactions
* Override with OG_PRIVATE_KEY environment variable
*/
privateKey: process.env.OG_PRIVATE_KEY,
/**
* Current network name
*/
network: currentNetwork,
} as const;
/**
* Helper function to get config value with fallback
* Priority: parameter > environment > default
*/
export function getConfigValue<T>(
paramValue: T | undefined,
defaultValue: T,
): T {
return paramValue ?? defaultValue;
}
/**
* Export network configurations for reference
*/
export { NETWORKS };
