ipld-eth-state-snapshot/fixture/chaindata.go

package fixture

import (
	"os"
	"path/filepath"
)

// TODO: embed some mainnet data
// import "embed"
//_go:embed mainnet_data.tar.gz

// GetChainDataPath returns the absolute paths to fixture chain data given a name.
// Current chains are at "chaindata", "chain2data".
func GetChainDataPath(chain string) (string, string) {
	path := filepath.Join("..", "..", "fixture", chain)

	chaindataPath, err := filepath.Abs(path)
	if err != nil {
		panic("cannot resolve path " + path)
	}
	ancientdataPath := filepath.Join(chaindataPath, "ancient")

	if _, err := os.Stat(chaindataPath); err != nil {
		panic("must populate chaindata at " + chaindataPath)
	}

	return chaindataPath, ancientdataPath
}