Optimize building chain ctx #342

Job	Run time
changelog	19s
check-packages	4m 9s
build-binaries	7m 50s
build-wasm (wasm, build-wasm-scripts, wasm/tx_.wasm wasm/vp_.wasm wasm/checksums.json )	4m 32s
build-wasm (wasm-for-tests, build-wasm-tests-scripts, wasm_for_tests/*.wasm)	3m 0s
lints	4m 41s
check-benchmarks	10m 54s
test-unit	9m 53s
test-integration	14m 19s
test-wasm	3m 35s
test-e2e (0)	26m 34s
test-e2e (1)	21m 22s
test-e2e (2)	23m 0s
test-e2e (3)	22m 50s
test-e2e (4)	21m 19s
	2h 58m 17s

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