moving declarations around

1 files changed, 17 insertions, 2 deletions

diff --git a/bidder/auction.go b/bidder/auction.go
index 5331136..a22f005 100644
--- a/bidder/auction.go
+++ b/bidder/auction.go
@@ -6,12 +6,27 @@ import (
 	"os"
 
 	"kesim.org/seal"
+	"kesim.org/seal/nizk/commit"
 )
 
+// Auction is the simple interface for the engine
+type Auction interface {
+	Join(bidder Bidder)                   // A bidder calls this to join the auction
+	GotMessage(msg []byte, sig []byte) error // A bidder uses this method to publish a message
+}
+
+// Bidder is the interface that the Auction engine uses to communicate
+type Bidder interface {
+	Commitment() *commit.Commitment
+	Start(map[string]*commit.Commitment)
+	Result()
+	Receive(msg []byte) error
+}
+
 type auction struct {
 	description *seal.Description
 
-	bidder seal.Bidder
+	bidder Bidder
 
 	log     func(string, ...any)
 	verbose func(string, ...any)
@@ -41,7 +56,7 @@ func NewAuction(description *seal.Description, options ...Option) (a *auction, e
 	return a, nil
 }
 
-func (a *auction) Join(bidder seal.Bidder) {
+func (a *auction) Join(bidder Bidder) {
 	a.bidder = bidder
 }