client: started work on API for client, wip

- auction defines description of an auction
- client creates auction object, given a description
- commitment/* merged into client

1 files changed, 54 insertions, 0 deletions

diff --git a/client/client.go b/client/client.go
new file mode 100644
index 0000000..19f0d35
--- /dev/null
+++ b/client/client.go
@@ -0,0 +1,54 @@
+package client
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	"kesim.org/seal"
+)
+
+type Auction struct {
+	description *seal.Description
+
+	bid *bid
+
+	log     func(string, ...any)
+	verbose func(string, ...any)
+	debug   func(string, ...any)
+}
+
+func nullf(string, ...any) {}
+
+func NewAuction(description *seal.Description, options ...Option) (auction *Auction, e error) {
+	if description.BitLength > 63 {
+		return nil, fmt.Errorf("Invalid BitLength in description: %d", description.BitLength)
+	}
+
+	logger := log.New(os.Stdout, "[seal::client] ", log.LstdFlags)
+
+	auction = &Auction{
+		description: description,
+		log:         logger.Printf,
+		verbose:     nullf,
+		debug:       nullf,
+	}
+
+	for _, opt := range options {
+		opt(auction)
+	}
+
+	return auction, nil
+}
+
+func (a *Auction) Join(price uint64) error {
+	bid, e := newBid(price, a.description.BitLength)
+	if e != nil {
+		return e
+	}
+
+	a.debug("created bid: %#v\n", bid)
+
+	a.bid = bid
+	return nil
+}