108 lines
2.4 KiB
Go
108 lines
2.4 KiB
Go
package messagepool
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import (
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"context"
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"sort"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain/types"
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)
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const repubMsgLimit = 30
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func (mp *MessagePool) republishPendingMessages() error {
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mp.curTsLk.Lock()
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ts := mp.curTs
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baseFee, err := mp.api.ChainComputeBaseFee(context.TODO(), ts)
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if err != nil {
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mp.curTsLk.Unlock()
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return xerrors.Errorf("computing basefee: %w", err)
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}
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pending := make(map[address.Address]map[uint64]*types.SignedMessage)
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mp.lk.Lock()
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for actor := range mp.localAddrs {
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mset, ok := mp.pending[actor]
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if !ok {
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continue
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}
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if len(mset.msgs) == 0 {
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continue
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}
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// we need to copy this while holding the lock to avoid races with concurrent modification
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pend := make(map[uint64]*types.SignedMessage, len(mset.msgs))
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for nonce, m := range mset.msgs {
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pend[nonce] = m
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}
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pending[actor] = pend
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}
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mp.lk.Unlock()
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mp.curTsLk.Unlock()
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if len(pending) == 0 {
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return nil
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}
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var chains []*msgChain
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for actor, mset := range pending {
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next := mp.createMessageChains(actor, mset, baseFee, ts)
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chains = append(chains, next...)
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}
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if len(chains) == 0 {
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return nil
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}
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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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// we don't republish negative performing chains; this is an error that will be screamed
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// at the user
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if chains[0].gasPerf < 0 {
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return xerrors.Errorf("skipping republish: all message chains have negative gas performance; best gas performance: %f", chains[0].gasPerf)
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}
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gasLimit := int64(build.BlockGasLimit)
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var msgs []*types.SignedMessage
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for _, chain := range chains {
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// we can exceed this if we have picked (some) longer chain already
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if len(msgs) > repubMsgLimit {
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break
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}
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// we don't republish negative performing chains, as they won't be included in
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// a block anyway
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if chain.gasPerf < 0 {
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break
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}
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// we don't exceed the block gasLimit in our republish endeavor
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if chain.gasLimit > gasLimit {
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break
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}
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gasLimit -= chain.gasLimit
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msgs = append(msgs, chain.msgs...)
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}
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log.Infof("republishing %d messages", len(msgs))
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for _, m := range msgs {
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mb, err := m.Serialize()
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if err != nil {
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return xerrors.Errorf("cannot serialize message: %w", err)
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}
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err = mp.api.PubSubPublish(build.MessagesTopic(mp.netName), mb)
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if err != nil {
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return xerrors.Errorf("cannot publish: %w", err)
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}
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}
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return nil
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}
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