fix a bug in PR #583: snapshot is not updated #604

gzliudan merged 3 commits intoXinFinOrg:dev-upgradeXinFinOrg/XDPoSChain:dev-upgradefrom

JukLee0ira:fix-snapshotReceiptsJukLee0ira/XDPoSChain:fix-snapshotReceiptsCopy head branch name to clipboard