63a4d95df1
* fix: in case txhashset validation fail, 'TxHashsetDownload' should retry (#1293) And add 2 more fixes: 1. handle sending request failure of 'send_txhashset_request'; 2. use a 10-mins timeout to handle noresponse failure, in case a peer ignore our txhashset request, or in case a peer fail to send a file for some reason.