32 lines
763 B
Go
32 lines
763 B
Go
|
package tracers
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/json"
|
||
|
|
"errors"
|
||
|
|
|
||
|
|
"github.com/ethereum/go-ethereum/core/tracing"
|
||
|
|
)
|
||
|
|
|
||
|
|
type ctorFunc func(config json.RawMessage) (*tracing.Hooks, error)
|
||
|
|
|
||
|
|
// LiveDirectory is the collection of tracers which can be used
|
||
|
|
// during normal block import operations.
|
||
|
|
var LiveDirectory = liveDirectory{elems: make(map[string]ctorFunc)}
|
||
|
|
|
||
|
|
type liveDirectory struct {
|
||
|
|
elems map[string]ctorFunc
|
||
|
|
}
|
||
|
|
|
||
|
|
// Register registers a tracer constructor by name.
|
||
|
|
func (d *liveDirectory) Register(name string, f ctorFunc) {
|
||
|
|
d.elems[name] = f
|
||
|
|
}
|
||
|
|
|
||
|
|
// New instantiates a tracer by name.
|
||
|
|
func (d *liveDirectory) New(name string, config json.RawMessage) (*tracing.Hooks, error) {
|
||
|
|
if f, ok := d.elems[name]; ok {
|
||
|
|
return f(config)
|
||
|
|
}
|
||
|
|
return nil, errors.New("not found")
|
||
|
|
}
|