79 lines
1.8 KiB
Go
79 lines
1.8 KiB
Go
package messagepool
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import (
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"context"
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"sort"
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"time"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/ipfs/go-cid"
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"golang.org/x/xerrors"
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)
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func (mp *MessagePool) pruneExcessMessages() error {
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mp.curTsLk.Lock()
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ts := mp.curTs
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mp.curTsLk.Unlock()
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mp.lk.Lock()
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defer mp.lk.Unlock()
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if mp.currentSize < mp.maxTxPoolSizeHi {
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return nil
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}
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return mp.pruneMessages(context.TODO(), ts)
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}
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func (mp *MessagePool) pruneMessages(ctx context.Context, ts *types.TipSet) error {
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start := time.Now()
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defer func() {
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log.Infof("message pruning took %s", time.Since(start))
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}()
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baseFee, err := mp.api.ChainComputeBaseFee(ctx, ts)
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if err != nil {
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return xerrors.Errorf("computing basefee: %w", err)
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}
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pending, _ := mp.getPendingMessages(ts, ts)
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// Collect all messages to track which ones to remove and create chains for block inclusion
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pruneMsgs := make(map[cid.Cid]*types.SignedMessage, mp.currentSize)
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var chains []*msgChain
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for actor, mset := range pending {
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for _, m := range mset {
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pruneMsgs[m.Message.Cid()] = m
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}
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actorChains := mp.createMessageChains(actor, mset, baseFee, ts)
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chains = append(chains, actorChains...)
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}
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// Sort the chains
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sort.Slice(chains, func(i, j int) bool {
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return chains[i].Before(chains[j])
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})
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// Keep messages (remove them from pruneMsgs) from chains while we are under the low water mark
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keepCount := 0
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keepLoop:
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for _, chain := range chains {
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for _, m := range chain.msgs {
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if keepCount < MemPoolSizeLimitLoDefault {
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delete(pruneMsgs, m.Message.Cid())
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keepCount++
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} else {
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break keepLoop
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}
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}
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}
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// and remove all messages that are still in pruneMsgs after processing the chains
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log.Infof("Pruning %d messages", len(pruneMsgs))
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for _, m := range pruneMsgs {
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mp.remove(m.Message.From, m.Message.Nonce)
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}
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return nil
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}
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