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cap maximum number of messages per block in selection

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This commit is contained in:
vyzo 2020-11-18 12:25:26 +02:00
parent 09c996d572
commit 452c85de98
1 changed files with 15 additions and 3 deletions
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18
chain/messagepool/selection.go
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@ -21,6 +21,8 @@ import (
var bigBlockGasLimit = big.NewInt(build.BlockGasLimit)
var MaxBlockMessages = 16000
// this is *temporary* mutilation until we have implemented uncapped miner penalties -- it will go
// away in the next fork.
func allowNegativeChains(epoch abi.ChainEpoch) bool {
@ -43,7 +45,7 @@ type msgChain struct {
prev *msgChain
}
func (mp *MessagePool) SelectMessages(ts *types.TipSet, tq float64) ([]*types.SignedMessage, error) {
func (mp *MessagePool) SelectMessages(ts *types.TipSet, tq float64) (msgs []*types.SignedMessage, err error) {
mp.curTsLk.Lock()
defer mp.curTsLk.Unlock()
@ -54,10 +56,20 @@ func (mp *MessagePool) SelectMessages(ts *types.TipSet, tq float64) ([]*types.Si
// than any other block, then we don't bother with optimal selection because the
// first block will always have higher effective performance
if tq > 0.84 {
return mp.selectMessagesGreedy(mp.curTs, ts)
msgs, err = mp.selectMessagesGreedy(mp.curTs, ts)
} else {
msgs, err = mp.selectMessagesOptimal(mp.curTs, ts, tq)
}
return mp.selectMessagesOptimal(mp.curTs, ts, tq)
if err != nil {
return nil, err
}
if len(msgs) > MaxBlockMessages {
msgs = msgs[:MaxBlockMessages]
}
return msgs, nil
}
func (mp *MessagePool) selectMessagesOptimal(curTs, ts *types.TipSet, tq float64) ([]*types.SignedMessage, error) {