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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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140 lines
5.3 KiB
140 lines
5.3 KiB
description: Starting Pantheon
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# Starting Pantheon
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Pantheon nodes can be used for varying purposes as described in the [Overview](../index.md).
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Nodes can connect to the Ethereum mainnet, public testnets such as Ropsten, or private networks.
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## Prerequisites
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[Pantheon Installed](../Installation/Overview.md)
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## Local Block Data
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When connecting to a network other than the network previously connected to, you must either delete the local block data
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or use the [`--datadir`](../Reference/Pantheon-CLI-Syntax.md#datadir) option to specify a different data directory.
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To delete the local block data, delete the `database` directory in the `pantheon/build/distribution/pantheon-<version>` directory.
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## Genesis Configuration
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Pantheon specifies the genesis configuration, and sets the network ID and bootnodes when connecting
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to [Mainnet](#run-a-node-on-ethereum-mainnet), [Goerli](#run-a-node-on-goerli-testnet), [Rinkeby](#run-a-node-on-rinkeby-testnet), and [Ropsten](#run-a-node-on-ropsten-testnet).
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When [`--dev-mode`](../Reference/Pantheon-CLI-Syntax.md#dev-mode) is specified, Pantheon uses the development mode genesis configuration.
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The genesis files defining the genesis configurations are in the [Pantheon source files](https://github.com/PegaSysEng/pantheon/tree/master/config/src/main/resources).
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To define a genesis configuration, create a genesis file (for example, `genesis.json`) and specify the file
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using the [`--genesis`](../Reference/Pantheon-CLI-Syntax.md#genesis) option.
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## Confirm Node is Running
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If you have started Pantheon with the [`--rpc-enabled`](../Reference/Pantheon-CLI-Syntax.md#rpc-enabled) option, use [cURL](https://curl.haxx.se/) to
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call [JSON-RPC API methods](../Reference/JSON-RPC-API-Methods.md) to confirm the node is running.
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!!!example
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* `eth_chainId` returns the chain ID of the network.
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```bash
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$ curl -X POST --data '{"jsonrpc":"2.0","method":"eth_chainId","params":[],"id":1}' 127.0.0.1:8545
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```
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* `eth_syncing` returns the starting, current, and highest block.
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```bash
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$ curl -X POST --data '{"jsonrpc":"2.0","method":"eth_syncing","params":[],"id":1}' 127.0.0.1:8545
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```
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For example, after connecting to mainnet `eth_syncing` will return something similar to:
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```json
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{
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"jsonrpc" : "2.0",
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"id" : 1,
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"result" : {
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"startingBlock" : "0x0",
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"currentBlock" : "0x2d0",
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"highestBlock" : "0x66c0"
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}
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}
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```
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## Run a Node for Testing
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To run a node that mines blocks at a rate suitable for testing purposes:
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```bash
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pantheon --dev-mode --network-id="2018" --bootnodes= --miner-enabled --miner-coinbase=0xfe3b557e8fb62b89f4916b721be55ceb828dbd73 --rpc-cors-origins="all" --ws-enabled --rpc-enabled --datadir=/tmp/tmpDatdir
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```
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Alternatively, use the following [configuration file](../Configuring-Pantheon/) to start a node with the same options as the above command line:
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```toml
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dev-mode=true
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network-id="2018"
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bootnodes=[]
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miner-enabled=true
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miner-coinbase="0xfe3b557e8fb62b89f4916b721be55ceb828dbd73"
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rpc-cors-origins="all"
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ws-enabled=true
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rpc-enabled=true
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datadir="/tmp/tmpDatadir"
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```
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## Run a Node on Ropsten Testnet
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!!!note
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From v0.8.2, use the [`--ropsten` option](../Reference/Pantheon-CLI-Syntax.md#options)
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instead of the following options. For v0.8.1, use the following options.
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To run a node on Ropsten:
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```bash
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pantheon --network-id=3 --genesis=<path>/pantheon/ethereum/core/src/main/resources/ropsten.json --bootnodes=enode://6332792c4a00e3e4ee0926ed89e0d27ef985424d97b6a45bf0f23e51f0dcb5e66b875777506458aea7af6f9e4ffb69f43f3778ee73c81ed9d34c51c4b16b0b0f@52.232.243.152:30303,enode://94c15d1b9e2fe7ce56e458b9a3b672ef11894ddedd0c6f247e0f1d3487f52b66208fb4aeb8179fce6e3a749ea93ed147c37976d67af557508d199d9594c35f09@192.81.208.223:30303
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```
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To run a node on Ropsten with the HTTP JSON-RPC service enabled and allow Remix to access the node:
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```bash
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pantheon --rpc-enabled --rpc-cors-origins "http://remix.ethereum.org" --network-id=3 --genesis=<path>/pantheon/ethereum/core/src/main/resources/ropsten.json --bootnodes=enode://6332792c4a00e3e4ee0926ed89e0d27ef985424d97b6a45bf0f23e51f0dcb5e66b875777506458aea7af6f9e4ffb69f43f3778ee73c81ed9d34c51c4b16b0b0f@52.232.243.152:30303,enode://94c15d1b9e2fe7ce56e458b9a3b672ef11894ddedd0c6f247e0f1d3487f52b66208fb4aeb8179fce6e3a749ea93ed147c37976d67af557508d199d9594c35f09@192.81.208.223:30303
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```
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Where `<path>` is the path to the `/pantheon` directory.
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## Run a Node on Rinkeby Testnet
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To run a node on Rinkeby specifying a data directory:
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```bash
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pantheon --rinkeby --datadir=<path>/rinkebyDataDir
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```
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Where `<path>` and `<rinkebyDataDir>` are the path and directory where the Rinkeby chain data is to be saved.
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## Run a Node on Goerli Testnet
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To run a node on [Goerli](https://github.com/goerli/testnet) specifying a data directory:
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```bash
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pantheon --goerli --datadir=<path>/<goerliDataDir>
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```
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Where `<path>` and `<goerliDataDir>` are the path and directory where the Goerli chain data is to be saved.
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!!!note
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This option is only available from v0.8.3.
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## Run a Node on Ethereum Mainnet
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To run a node on the Ethereum mainnet:
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```bash
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pantheon
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```
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To run a node on mainnet with the HTTP JSON-RPC service enabled:
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```bash
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pantheon --rpc-enabled
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``` |