Update to follow DB spec

common/accountcreationauths.go

@@ -0,0 +1,16 @@
+package common
+
+import (
+	"time"
+
+	eth "github.com/ethereum/go-ethereum/common"
+	"github.com/iden3/go-iden3-crypto/babyjub"
+)
+
+// AccountCreationAuth authorizations sent by users to the L2DB, to be used for account creations when necessary
+type AccountCreationAuth struct {
+	Timestamp time.Time
+	EthAddr   eth.Address
+	BJJ       babyjub.PublicKey
+	Signature babyjub.Signature
+}