func RawRequestCaller(req RawRequester) Caller {
	return &rawRequester{req}
}
RawRequestCaller wraps a RawRequester to provide a Caller implementation.
package dcrwallet
import (
	"context"
	"encoding/json"
	"github.com/decred/dcrd/chaincfg/v3"
)
type Caller interface {
	Call(ctx context.Context, method string, res interface{}, args ...interface{}) error
}
type RawRequester interface {
	RawRequest(ctx context.Context, method string, params []json.RawMessage) (json.RawMessage, error)
}