accounts, cmd, internal, signer: add note about backing up the keystore (#19432)

* accounts: add note about backing up the keystore

* cmd, accounts: move the printout to accountCreate

* internal, signer: add info when new account is created via rpc

* cmd, internal, signer: split logs

* cmd/geth: make account new output a bit more verbose

2 files changed, 19 insertions, 3 deletions

diff --git a/cmd/geth/accountcmd.go b/cmd/geth/accountcmd.go
index 940290899..8fd149cac 100644
--- a/cmd/geth/accountcmd.go
+++ b/cmd/geth/accountcmd.go
@@ -307,12 +307,18 @@ func accountCreate(ctx *cli.Context) error {
 
 	password := getPassPhrase("Your new account is locked with a password. Please give a password. Do not forget this password.", true, 0, utils.MakePasswordList(ctx))
 
-	address, err := keystore.StoreKey(keydir, password, scryptN, scryptP)
+	account, err := keystore.StoreKey(keydir, password, scryptN, scryptP)
 
 	if err != nil {
 		utils.Fatalf("Failed to create account: %v", err)
 	}
-	fmt.Printf("Address: {%x}\n", address)
+	fmt.Printf("\nYour new key was generated\n\n")
+	fmt.Printf("Public address of the key:   %s\n", account.Address.Hex())
+	fmt.Printf("Path of the secret key file: %s\n\n", account.URL.Path)
+	fmt.Printf("- You can share your public address with anyone. Others need it to interact with you.\n")
+	fmt.Printf("- You must NEVER share the secret key with anyone! The key controls access to your funds!\n")
+	fmt.Printf("- You must BACKUP your key file! Without the key, it's impossible to access account funds!\n")
+	fmt.Printf("- You must REMEMBER your password! Without the password, it's impossible to decrypt the key!\n\n")
 	return nil
 }
 
diff --git a/cmd/geth/accountcmd_test.go b/cmd/geth/accountcmd_test.go
index 3ea22ccfa..6c97f0ddc 100644
--- a/cmd/geth/accountcmd_test.go
+++ b/cmd/geth/accountcmd_test.go
@@ -74,8 +74,18 @@ Your new account is locked with a password. Please give a password. Do not forge
 !! Unsupported terminal, password will be echoed.
 Passphrase: {{.InputLine "foobar"}}
 Repeat passphrase: {{.InputLine "foobar"}}
+
+Your new key was generated
+`)
+	geth.ExpectRegexp(`
+Public address of the key:   0x[0-9a-fA-F]{40}
+Path of the secret key file: .*UTC--.+--[0-9a-f]{40}
+
+- You can share your public address with anyone. Others need it to interact with you.
+- You must NEVER share the secret key with anyone! The key controls access to your funds!
+- You must BACKUP your key file! Without the key, it's impossible to access account funds!
+- You must REMEMBER your password! Without the password, it's impossible to decrypt the key!
 `)
-	geth.ExpectRegexp(`Address: \{[0-9a-f]{40}\}\n`)
 }
 
 func TestAccountNewBadRepeat(t *testing.T) {