🐛 (bitcoin-wallet): fix bug to fulfill logic with withdraw test

yuanyu90221 · yuanyu90221 · commit 0993be39d4cb · 2025-06-07T18:11:03.000+08:00
diff --git a/pointers-and-errors/bitcoin-and-wallet.go b/pointers-and-errors/bitcoin-and-wallet.go
@@ -23,7 +23,7 @@ func (w *Wallet) Balance() Bitcoin {
 	return w.balance
 }
 
-// Withdraw -
+// Withdraw - deposit amount from wallet balance
 func (w *Wallet) Withdraw(amount Bitcoin) {
-
+	w.balance -= amount
 }

Original file line number	Diff line number	Diff line change
`@@ -23,7 +23,7 @@ func (w *Wallet) Balance() Bitcoin {`
`23`	`23`	`return w.balance`
`24`	`24`	`}`
`25`	`25`
`26`		`-// Withdraw -`
	`26`	`+// Withdraw - deposit amount from wallet balance`
`27`	`27`	`func (w *Wallet) Withdraw(amount Bitcoin) {`
`28`		`-`
	`28`	`+ w.balance -= amount`
`29`	`29`	`}`