feat: Add tracing hook. #2550

Job	Run time
contract-tests	4m 45s
contract-tests-curl	3m 18s
build-test-client-windows	15m 13s
build-test-curl	6m 7s
build-test	5m 19s
build-test-client-windows-curl	17m 23s
build-test-client-mac	8m 16s
build-test-client-mac-curl	9m 5s
	1h 9m 26s

Provide feedback