Bitcoin ABC client has been updated to version 0.19.8

On June 18th, Bitcoin ABC officially announced the release of 0.19.8 on official Twitter, which is mainly to repair and improve multiple RPC programs. This release includes the following features and fixes: 1. Remove getinfo RPC and use getblockchaininfo, getnetworkinfo and getwalletinfo; 2. If there are any additional parameters, ./bitcoin-cli -getinfo will now throw a runtime error; Fixed race condition in sendrawtransaction; 4. Most of the contents of validateaddress are not recommended, and getaddressinfo is introduced to replace the deprecated part; 5. Small log improvement; 6. Local address broadcast changes from every 9 hours Once every 24 hours.