bring in khatru and eventstore.

eventstore/bluge/helpers.go

@@ -0,0 +1,23 @@
+package bluge
+
+import "encoding/hex"
+
+const (
+	contentField   = "c"
+	kindField      = "k"
+	createdAtField = "a"
+	pubkeyField    = "p"
+)
+
+type eventIdentifier string
+
+const idField = "i"
+
+func (id eventIdentifier) Field() string {
+	return idField
+}
+
+func (id eventIdentifier) Term() []byte {
+	v, _ := hex.DecodeString(string(id))
+	return v
+}