Zhijie

Sui fullnode seems to checkpoint from after restarting even without cleanup db

1

## Steps to Reproduce Issue After stopping and restarting the container while the db is **not** cleaned up, the full node was hanging there and checkpoint from 0 (or at...

Proposal: remove self-staking requirement

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It seems not necessary to enforce the delegate account to self stake, which is not friendly to asset custody. People who manages the delegate profile, reward distribution doesn't need to...

Server side will be ready from 0.7.x: https://github.com/iotexproject/iotex-core/pull/1220

Which should provide better modularization, isolation of data processing logic. In addition, there's a bunch of useful features, e.g., backfill