core/rawdb: separate raw database access to own package#788

gzliudan merged 1 commit intoXinFinOrg:dev-upgradeXinFinOrg/XDPoSChain:dev-upgradefrom

JukLee0ira:Migrate-to-rawdbJukLee0ira/XDPoSChain:Migrate-to-rawdbCopy head branch name to clipboard