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An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu
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65 lines
2.8 KiB
65 lines
2.8 KiB
description: Pantheon Clique Proof-of-Authority (PoA) consensus protocol implementation
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path: blob/master/ethereum/core/src/main/resources/
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source: rinkeby.json
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<!--- END of page meta data -->
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# Testing and Developing Nodes
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## Bootnodes
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Bootnodes are used to initially discover peers.
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### Mainnet and Public Testnets
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For mainnet, Rinkeby, Ropsten, and Görli, Pantheon predefines a list of enode URLs.
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### Private Networks
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To start a bootnode for a private network:
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1. Export the public key to a file:
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!!! example
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```bash
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pantheon --genesis-file=privateNetworkGenesis.json --data-path=nodeDataPath public-key export --to=bootnode
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```
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Where `privateNetworkGenesis.json` and `nodeDataPath` are changed to the relevant values for
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your private network.
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The node public key is exported to the `bootnode` file.
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2. Start the bootnode, specifying:
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* Genesis file and data directory as in the previous step.
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!!! example
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```
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pantheon --genesis-file=privateNetworkGenesis.json --data-path=nodeDataPath
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```
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To specify this bootnode for another node, the enode URL for the [`--bootnodes`](../Reference/Pantheon-CLI-Syntax.md#bootnodes)
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option is `enode://<id>@<host:port>` where:
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* `<id>` is the node public key written to the specified file (`bootnode` in the above example) excluding the initial 0x.
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* `<host:port>` is the host and port the bootnode is listening on for P2P peer discovery.
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Specified by the [`--p2p-host`](../Reference/Pantheon-CLI-Syntax.md#p2p-host) and
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[`--p2p-port`](../Reference/Pantheon-CLI-Syntax.md#p2p-port) options for the bootnode
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(default host is `127.0.0.1` and port is `30303`).
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!!! example
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If the [`--p2p-host`](../Reference/Pantheon-CLI-Syntax.md#p2p-host) or [`--p2p-port`](../Reference/Pantheon-CLI-Syntax.md#p2p-port) options are not specified and the node public key exported is `0xc35c3ec90a8a51fd5703594c6303382f3ae6b2ecb9589bab2c04b3794f2bc3fc2631dabb0c08af795787a6c004d8f532230ae6e9925cbbefb0b28b79295d615f`
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The enode URL is:
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`enode://c35c3ec90a8a51fd5703594c6303382f3ae6b2ecb9589bab2c04b3794f2bc3fc2631dabb0c08af795787a6c004d8f532230ae6e9925cbbefb0b28b79295d615f@127.0.0.1:30303`
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!!! info
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The default host and port for P2P peer discovery is `127.0.0.1:30303`.
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Use the [`--p2p-host`](../Reference/Pantheon-CLI-Syntax.md#p2p-host) and
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[`--p2p-port`](../Reference/Pantheon-CLI-Syntax.md#p2p-port) option to specify a host and port.
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To start a node specifying the bootnode for P2P discovery:
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!!! example
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```bash
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pantheon --genesis-file=privateNetworkGenesis.json --data-path=nodeDataPath --p2p-host=127.0.0.1 --p2p-port=30301 --network-id=123 --bootnodes=enode://c35c3ec90a8a51fd5703594c6303382f3ae6b2ecb99bab2c04b3794f2bc3fc2631dabb0c08af795787a6c004d8f532230ae6e9925cbbefb0b28b79295d615f@127.0.0.1:30303
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``` |