make empty block deterministic #1287
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* implement offline witness in p2p * refactor local rpc * add rpc api * add license * fix comments * check self is gov node before vote
* remove old gov node ip from members in subnet * fix testcase
* Drop duplicate import * Drop redundant return and break statement * for true ==> for * Fix bool cmp lint should omit comparison to bool constant * use or drop unused variables * Drop empty branch * Some fmt.Sprintf is useless, drop it * should call self.quitWg.Add(1) before starting the goroutine to avoid a race * drop for, using append * Update cmd/tx_cmd.go * Update consensus/vbft/node_sync.go Co-authored-by: laizy <[email protected]>
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The fix is straight forward, following is some compatible analysis about why it's safe to apply the fix.
VbftBlockInfo.Proposeris only ever retrieved(immutable referenced) by :blk.Infois only ever mutated by:BlockPool.setBlockSealed,Server.constructProposalMsg,Block.Deserialize:All of them will only set
blk.Infoto the non-empty one.initVbftBlock:This is only called after a block is sealed, so doesn't affect consensus.