core/txpool/legacypool: protect cache with mutex #27898
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rjl493456442
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This change fixes the a potential race by using mutexes when the m.cache is read or modified.
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)" This reverts commit 10133ba.
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)" This reverts commit 10133ba.
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The pr #27324 fixed an issue somewhat incidentally. This PR fixes the root issue a bit more robustly, by using mutexes when the cache is read or modified.
Replaces #27324