use length rather than static 4 for hex2bin func of extranonce2_gener… #1

	name: Unit Test
	on: [push, pull_request]
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repo
	uses: actions/checkout@v4
	with:
	submodules: 'recursive'
	- name: esp-idf build
	uses: espressif/esp-idf-ci-action@v1
	with:
	esp_idf_version: v5.4
	target: esp32s3
	command: GITHUB_ACTIONS="true" idf.py build
	path: 'test-ci'
	- name: Run tests and show result
	uses: bitaxeorg/esp32-qemu-test-action@main
	with:
	path: 'test-ci'
	- name: Inspect log
	run: cat report.xml
	- name: Publish Unit Test Results
	uses: EnricoMi/publish-unit-test-result-action@v1
	if: always()
	with:
	files: report.xml

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