50 lines
1.0 KiB
Go
50 lines
1.0 KiB
Go
package chaindata
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import (
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"errors"
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"os"
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"path/filepath"
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"runtime"
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)
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type Paths struct {
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ChainData, Ancient string
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}
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// List of names of chaindata fixtures accessible via ChainDataPaths
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var FixtureChains = []string{
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"small", "small2",
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}
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func IsFixture(chain string) bool {
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has := false
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for _, fixture := range FixtureChains {
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if chain == fixture {
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has = true
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break
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}
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}
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return has
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}
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// GetFixture returns the absolute paths to fixture chaindata for the given name.
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func GetFixture(chain string) (*Paths, error) {
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if !IsFixture(chain) {
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return nil, errors.New("no fixture named " + chain)
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}
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_, thisPath, _, ok := runtime.Caller(0)
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if !ok {
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return nil, errors.New("could not get function source path")
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}
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chaindataPath := filepath.Join(filepath.Dir(thisPath), "_data", chain)
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ancientdataPath := filepath.Join(chaindataPath, "ancient")
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if _, err := os.Stat(chaindataPath); err != nil {
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return nil, errors.New("cannot access chaindata at " + chaindataPath)
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}
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return &Paths{chaindataPath, ancientdataPath}, nil
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}
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