utils.py 文件源码

def ref_base58(ref):
    ref_str = ref
    try:
        ref_str = ref.multihash_base58()
    except AttributeError:
        pass
    try:
        ref_str = ref.reference
    except AttributeError:
        pass
    try:
        ref_str = base58.b58encode(ref['@link'])
    except (KeyError, ValueError, TypeError):
        pass
    return ref_str