feat(backend): Class to manage btc pending transactions #508

	name: Backend Checks

	on:
	pull_request:
	paths:
	- # Scripts, GitHub actions that contain 'backend' in their path.
	'*/backend*'
	- # The backend source code
	'src/backend/**'
	- 'src/shared/**'
	- # Rust files such as Cargo.lock, Cargo.toml and rust-toolchain.toml
	'*/Cargo'
	- '*/rust*'
	- # The dockerfile used in this CI run, and the scripts it COPY's.
	'Dockerfile'
	- 'docker/**'
	- # There may be some files in frontend folder that contains 'backend' in their name.
	'!src/frontend/**'
	workflow_dispatch:

	jobs:

	lint:
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v4
	- uses: actions/cache@v4
	with:
	path: \|
	~/.cargo/registry
	~/.cargo/git
	target
	key: ${{ runner.os }}-cargo-backend-tests-${{ hashFiles('Cargo.lock', 'rust-toolchain.toml') }}
	- name: Lint
	run: ./scripts/lint.rust.sh

	workspace-dependencies:
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v4
	- run: sudo snap install yq
	- name: Dependencies are defined in the workspace
	run: ./scripts/lint.cargo-workspace-dependencies.sh

	may-merge:
	needs: [ 'lint', 'workspace-dependencies' ]
	runs-on: ubuntu-20.04
	steps:
	- name: Cleared for merging
	run: echo OK

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