Add unimplemented ChainReader() method to MedianProvider #2288

	name: relay

	on:
	pull_request:

	jobs:
	relay_run_unit_tests:
	name: Relay Run Unit Tests
	runs-on: ubuntu-latest
	steps:
	- name: Checkout sources
	uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
	- name: Setup go
	uses: actions/setup-go@v3
	with:
	go-version-file: "go.mod"
	check-latest: true
	- name: Check go mod tidy
	run: \|
	go mod tidy
	echo "if this fails run 'go mod tidy' to fix"
	git diff --stat --exit-code
	- name: Install Solana CLI
	run: ./scripts/install-solana-ci.sh
	- name: Build
	run: go build -v ./pkg/...
	- name: Test
	run: go test ./pkg/... -v -tags integration -covermode=atomic -coverpkg=./... -coverprofile=integration_coverage.txt
	- name: Test with the race detector enabled
	run: go test ./pkg/... -v -race -count=10 -timeout=15m -covermode=atomic -coverpkg=./... -coverprofile=race_coverage.txt
	- name: Upload Go test results
	if: always()
	uses: actions/upload-artifact@v3
	with:
	name: go-relay-test-results
	path: \|
	./race_coverage.txt
	./integration_coverage.txt

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