Forgot to add the chaindb directory

internal/chaindb/chaindb.go

@@ -0,0 +1,67 @@
+package chaindb
+
+import (
+	sha "crypto/sha256"
+	fmt "fmt"
+	log "log"
+	time "time"
+
+	gstructs "git.dragonheim.net/dragonheim/gagent/internal/gstructs"
+
+	hclsimple "github.com/hashicorp/hcl/v2/hclsimple"
+	// hclwrite "github.com/hashicorp/hcl/v2/hclwrite"
+)
+
+type GagentDb struct {
+	chainRow []*gagentDbRow `hcl:"timestamp,block"`
+}
+
+type gagentDbRow struct {
+	timestamp  time.Time             `hcl:"timestamp"`
+	DBName     string                `hcl:"chainid,optional"`
+	Agent      gstructs.AgentDetails `hcl:"agent,block"`
+	dbCurrHash [32]byte              `hcl:"currhash"`
+	dbPrevHash [32]byte              `hcl:"prevhash"`
+}
+
+/*
+ * Initialize the database
+ */
+func (db *GagentDb) Init() {
+	db.chainRow = make([]*gagentDbRow, 0)
+}
+
+/*
+ * Load the database from disk
+ */
+func (db *GagentDb) Load() error {
+	err := hclsimple.DecodeFile("chaindb.hcl", nil, &db)
+	log.Printf("[DEBUG] DB values: %v\n", db)
+	return err
+}
+
+/*
+ * Add a new row to the chaindb
+ */
+func (db *GagentDb) AddRow(row *gagentDbRow) error {
+	row.timestamp = time.Now()
+	db.chainRow = append(db.chainRow, row)
+
+	return nil
+}
+
+/*
+ * Set current hash of the database
+ */
+func (db *GagentDb) SetCurrHash() {
+	db.chainRow[len(db.chainRow)-1].dbCurrHash = [32]byte{}
+	foo := sha.Sum256([]byte(fmt.Sprintf("%v", db)))
+	db.chainRow[len(db.chainRow)-1].dbCurrHash = foo
+}
+
+/*
+ * Set previous hash of the database
+ */
+func (db *GagentDb) SetPrevHash() {
+	db.chainRow[len(db.chainRow)-1].dbPrevHash = db.chainRow[len(db.chainRow)-1].dbCurrHash
+}