Technology Update
1) Fix an error related to HTTP2 handling.
2) New diagnostic command to show database metadata,completed 10%.
3) Support chainid for GnosisSafeTx.
4) Potentially reduce database allocations in some cases.
5) Add a set of cross-client external benchmarks.
6) Improve transaction indexing performance.
7) Research exploring incremental verification and SNARKS without pairings,10% complete.
8）crypto/xsalsa20symmetric: remove dependency on eminerchain core.
9) Optimize nonce handling performance in the txpool,5% completed.
