perf: optimize runtime gas cost for LSP6 + LSP20 #1319

	name: Foundry tests & Report gas diff

	on:
	pull_request:
	# compare gas diff only when editing Solidity smart contract code
	paths:
	- "contracts/*/.sol"
	- "tests/foundry/*/.sol"

	jobs:
	foundry-tests:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	submodules: recursive

	- name: Install Foundry
	uses: onbjerg/foundry-toolchain@v1
	with:
	version: nightly

	- name: NPM Install
	run: npm ci

	- name: NPM build
	run: npx hardhat compile

	- name: Run Foundry tests
	run: npm run test:foundry

	env:
	# make fuzzing semi-deterministic to avoid noisy gas cost estimation
	# due to non-deterministic fuzzing (but still use pseudo-random fuzzing seeds)
	FOUNDRY_FUZZ_SEED: 0x${{ github.event.pull_request.base.sha \|\| github.sha }}

	- name: Compare gas reports
	uses: Rubilmax/[email protected]
	with:
	summaryQuantile: 0.9 # only display the 10% most significant gas diffs in the summary (defaults to 20%)
	sortCriteria: avg,max # sort diff rows by criteria
	sortOrders: desc,asc # and directions
	id: gas_diff

	- name: Add gas diff to sticky comment
	if: github.event_name == 'pull_request' \|\| github.event_name == 'pull_request_target'
	uses: marocchino/sticky-pull-request-comment@v2
	with:
	# delete the comment in case changes no longer impact gas costs
	delete: ${{ !steps.gas_diff.outputs.markdown }}
	message: ${{ steps.gas_diff.outputs.markdown }}

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