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Connect to the Blockchain
Add the Ethereum Wallet to the blockchain network you created and connect it to the network

Overview

Once the Blockchain network has been created, let's connect to the Blockchain with the Ethereum Wallet app. In this example, we will use Lunascape Wallet as the Ethereum Wallet app.
For enhanced security, the G.U. Blockchain Cloud closes its ports to prevent external access to the blockchain network by default. Therefore, in order to connect to the Blockchain from the outside, you need to open the port manually.

Steps

※1) In order to connect to the Blockchain, you must have a Wallet installed. In this chapter, we will explain the procedure when using Lunascape Wallet.

Open the port

To open the port, follow the steps below.

Click on the key symbol at the beginning of the URL of the RPC endpoint

After confirming that the network creation is complete, click the key mark at the beginning of the RPC endpoint. Click "Add Inbound rules" in the pop-up that appears.
Add inbound rules

Edit Rules

When the Security tab appears, click "Edit Rules".
Edit Rules

Add an inbound rule

Click "Add Rule" in the Edit Inbound Rules screen.
Add Rule

Select the RPC port and add MyIpAddress

Change the type of the added inbound rule to "RPC".
RPC
Next, change the Access From to "My IP address.
My IP address

Check and update the IP address

Confirm that your IP address has been added, and click the "Update".
Update IP address

Confirm that the port is open

Select the network you have created from the [Blockchain Network] at the top of the left side menu bar to return to the network confirmation screen. Check the key symbol for the RPC endpoint on this screen. If the key is open, the port is open.
Points to note when selecting "Anywhere" as the access source
There is a security risk when exposing the ports of a cluster or node that contains a "Singer Node" to "Anywhere". Furthermore, there is a risk that Ether in the signature address of that node may be transferred without permission, so we recommend that you do not expose it except for your own servers. If you want to publish an Endpoint to the entire Internet or to guest users, create a separate cluster that contains only Transaction nodes and publish the Endpoint there.
Confirm the port is open

Add Blockchain Network to Lunascape Wallet Add Ether Card to Lunascape Wallet

Copy the address of the Geth RPC Endpoint

Register the Blockchain network you created as a custom network to the Wallet application. From the network confirmation screen, click the symbol to the right of the [Geth RPC endpoint address] and copy the address.
Copy Geth RPC Endpoint

Add a network from the Lunascape Wallet settings screen

Click on the [Settings icon] to open the settings window.
Lunascape Wallet Setting icon
Click "Networks", and when the list appears, click "+Add Network" at the bottom.
Lunascape Wallet Networks
Lunascape Wallet Add Network
Enter any network name (alphanumeric characters only, does not have to match the Blockchain network name) in [Network Name] and the address of the Geth RPC endpoint you just copied in [Network URL], then click the "Add Network" to add the network.
Lunascape Wallet Add Network

Confirm that the network has been added

Return to the [Networks], and confirm that the network you added exists.
Lunascape Wallet Network added

Add Ether Card to Lunascape Wallet

Once you have added a network, you can add tokens issued on that network. Please follow the steps below to add Ether cards to the Lunascape Wallet.
(Supplement) Lunascape Wallet supports ETH, the commission currency, as well as tokens made with the ERC20 standard.

Click the "Add Currency" in Lunascape Wallet

Lunascape Wallet Add Currency

Select the network you want to add and add it to the network

Configure the following settings in the screen below.
  • Select the network you added from the Network pull-down menu
  • Specify the number of digits after the decimal point when displaying the amount as an integer in the "Decimals for display" field
  • Select ETH as the "Token Type"
Lunascape Wallet Select Network
Once the above settings are made, click the "Add Currency".

Configure the Ether card

Once the above settings are made, click the "Add Currency".

Confirm that the Ether card has been added to the network

Check the network name in the upper left corner of the card and make sure that the card has been added to the selected network. If the Wallet is using the address you entered as allocAddress when you created the network, the initial Ether of 1 billion Ether will be displayed. If the address is not, 0 will be displayed.
Lunascape Wallet Ether Card
Lunascape Wallet 1 billion ETH
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Overview
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Open the port
Add Blockchain Network to Lunascape Wallet Add Ether Card to Lunascape Wallet
Add Ether Card to Lunascape Wallet