Merge pull request #15 from bnb-chain/fix/empty_requst_hash #31

Job	Run time
feature-checks	8m 40s
doctest	3m 22s
wasm-unknown	2m 46s
test ubuntu-latest stable --no-default-features	2m 48s
wasm-wasi	4m 7s
test ubuntu-latest stable	2m 54s
cfg-check	1m 19s
check no_std	58s
test ubuntu-latest stable --all-features	3m 6s
clippy	58s
test ubuntu-latest nightly --no-default-features	2m 32s
docs	1m 55s
fmt	15s
test ubuntu-latest nightly	2m 25s
test ubuntu-latest nightly --all-features	2m 54s
test ubuntu-latest 1.79 --no-default-features	28s
test ubuntu-latest 1.79	24s
test windows-latest stable --no-default-features	5m 42s
test windows-latest stable	6m 42s
test windows-latest stable --all-features	8m 33s
test windows-latest nightly --no-default-features	6m 4s
test windows-latest nightly	5m 27s
test windows-latest nightly --all-features	6m 28s
test windows-latest 1.79 --no-default-features	3m 26s
test windows-latest 1.79	1m 53s
	1h 26m 6s

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