comments; handle transaction

app/console.go

@@ -120,8 +120,8 @@ func createTransaction(ctx *ishell.Context, app *App) {
 	emoji.Print(":credit_card:")
 	ctx.Println(" Enter recipient wallet address")
 	toAddress := shell.ReadLine()
-	// TODO: Error handling address input.
 
+	// Get amount from user.
 	emoji.Print(":dollar:")
 	ctx.Println(" Enter amount to send: ")
 	amount, err := strconv.ParseUint(shell.ReadLine(), 10, 64)
@@ -130,7 +130,7 @@ func createTransaction(ctx *ishell.Context, app *App) {
 		return
 	}
 
-	// TODO: Check if we have enough coins to make the purchase.
+	// Make payment.
 	err = app.Pay(toAddress, amount)
 	if err != nil {
 		emoji.Println(":disappointed: Transaction failed!")

app/user.go

@@ -30,7 +30,7 @@ func getCurrentUser() *User {
 
 // Pay pays an amount of coin to an address `to`.
 func (a *App) Pay(to string, amount uint64) error {
-	// Two atomic steps must occur.
+	// Three atomic steps must occur.
 
 	// 1. A legitimate transaction must be built.
 	tbody := blockchain.TxBody{
@@ -50,6 +50,9 @@ func (a *App) Pay(to string, amount uint64) error {
 			Resource:     txn,
 		})
 		a.CurrentUser.Wallet.SetPending(txn)
+
+		// 3. The transaction must be added to the pool.
+		a.HandleTransaction(txn)
 	} else {
 		return err
 	}

blockchain/wallet.go

@@ -100,8 +100,6 @@ func (a Address) Key() *ecdsa.PublicKey {
 type Account interface {
 	Public() Address
 	Sign(digest Hash, random io.Reader) (Signature, error)
-	Debit(amount uint64) error
-	Credit(amount uint64) error
 }
 
 // Wallet is an account that can sign and hold a balance.