v1.6.8.3

What's Changed

• pending cmtx in #2919
• fix mempool gas, double commit in #2925
• websocket for swap in #2924
• Support import eth keystore in #2921
• Swap ws in #2927
• swap websocket in #2928
• put blocktime event before log event in #2932
• fix query eth_getStorageAt by watchdb bug #2930
• compatible with cmjs in #2915
• limit tx search in #2938
• rename path okex to okx in #2881
• separate iavl pruning from asyncCommitRoutine in #2940
• upload delta when fast sync in #2946
• add tx log into rpc tx result in #2942
• upgrade proposal in params module in #2920
• Make GP recommendation algorithm compatible with DDS in #2909
• disable gas log in tx num mode in #2950
• new proposal in #2977
• backward homestead through proposal in #2967
• fix upgrade height in #2982
• Fix UpgradeProposal for rest interface in #2987
• modify-new- proposal in #2986
• Clear Logs of failed txs in #2963
• Bump version to v1.6.8.3 in #3000
• Enable new proposal on testnet in #3001

Full Changelog: v1.6.8.2...v1.6.8.3