Function createKeypairFromFile

utils/utils.ts:239–245

(
  filePath: string
)

 * Create a Keypair from a secret key stored in file as bytes' array
 */
export async function createKeypairFromFile(
  filePath: string
): Promise<Keypair> {
  const secretKeyString = await fs.readFile(filePath, { encoding: "utf8" });
  const secretKey = Uint8Array.from(JSON.parse(secretKeyString));
  return Keypair.fromSecretKey(secretKey);
}

/**
 * Function to get user's input from the CLI