blockchain sandbox: UTXO chain, p2p mining, attacker node

2026-07-26 20:37:26 +03:00
commit 7ce39c8964
18 changed files with 2536 additions and 0 deletions
@@ -0,0 +1,25 @@
+package chain
+
+import (
+	"crypto/ed25519"
+	"crypto/rand"
+	"encoding/hex"
+)
+
+type Wallet struct {
+	PrivateKey ed25519.PrivateKey
+	PublicKey  ed25519.PublicKey
+}
+
+func NewWallet() *Wallet {
+	pub, priv, _ := ed25519.GenerateKey(rand.Reader)
+	return &Wallet{PrivateKey: priv, PublicKey: pub}
+}
+
+func (w *Wallet) Address() string {
+	return hex.EncodeToString(w.PublicKey)
+}
+
+func (w *Wallet) ShortAddress() string {
+	return w.Address()[:7]
+}