blocksver.py 文件源码

def main():
    cachePath = os.path.join(tempfile.gettempdir(), CACHEFILE)
    cache = loadCache(cachePath, BASE64)
    chainInfo = rpcRetrieve('getblockchaininfo')
    bestHash = chainInfo['bestblockhash']
    height = int(chainInfo['blocks'])
    bip9forks = chainInfo['bip9_softforks']
    print(formatWelcome(cache, WINDOW, bestHash, height,
                        F(chainInfo['difficulty']), bip9forks, THRESHOLD))
    if cache.height == 0:
        print('Please wait while retrieving latest block versions and caching them...\n')
    if len(cache.hashes) < 1 or cache.hashes[0] != bestHash:
        retrieveBlock = lambda h: rpcRetrieve('getblock', h)
        cache = updateCache(cache, WINDOW, HASHES_SIZE, bestHash, height, retrieveBlock)
        saveCache(cache, cachePath, BASE64)
    print(formatAllData(cache, bip9forks, THRESHOLD, WINDOW))