November 2018
Intermediate to advanced
528 pages
13h 21m
English
Content preview from Blockchain By Example
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Connecting Ethereum nodes
As we have enabled the console mode in each node, we can execute commands provided by Geth. Therefore, to connect both nodes, we need to first get the node URL using admin.nodeInfo.enode.
As a result, you'll get a value uniquely identifying your node, which can be used by another node to connect both nodes:
admin.addPeer({"enode://7649de56ad54a0e6c712bb31db….32a789b9e@[::]:9999"})
Replace [::] with the node's IP address if you are using nodes in a network.
If everything went well, the net.peerCount command should return 1 in both consoles and admin.peers should return the list of currently connected peers.
It's worth noting that, for security reasons, Geth unlocks the accounts to prevent anyone other than the owner ...
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