Merge pull request #1044 from starius/sweepbatcher-db-tx #2789

Job	Run time
RPC compilation check	1m 34s
build and lint code	4m 55s
run unit-test sqlite3 race	9m 43s
SQL compilation check	10s
go mod check	9m 6s
run unit-test postgres race	10m 31s
run LiT itests	11m 31s
verify that auto-generated documentation is up-to-date	31s
run LiT unit tests	7m 21s
	55m 22s

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