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42 lines
1.6 KiB
Markdown
42 lines
1.6 KiB
Markdown
# Sentry - component to
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In the root of `Erigon` project, use this command to build the sentry:
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```
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make sentry
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```
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There are two modes in which the program can be run - with external p2p sentry, or with internal p2p sentry (also called
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combined). Ethereum mainnet configuration is currently hard-coded.
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## Running with an external p2p sentry
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```
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./buid/bin/sentry
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```
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```
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./buid/bin/sentry --datadir=<sentry_datadir>
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```
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The command above specifies `--datadir` option - directory where the database files will be written (it doesn't need access to Erion's datadir). These two options
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will need to be specified regardless of the mode the program is run. This specific command above assumes and external
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p2p sentry running on the same computer listening to the port `9091`. In order to use a p2p sentry on a different
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computer, or a different port (or both), the option `--sentry.api.addr` can be used. For example:
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```
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./buid/bin/sentry --datadir=<sentry1_datadir> --sentry.api.addr=localhost:9091
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./buid/bin/sentry --datadir=<sentry2_datadir> --sentry.api.addr=localhost:9191
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./build/bin/erigon --sentry.api.addr="localhost:9091,localhost:9191"
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```
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The command above will expect the p2p sentry running on the same computer, but on the port `9091`
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Options `--nat`, `--port`, `--staticpeers`, `--netrestrict`, `--discovery` are also available.
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We are currently testing against two implementations of the p2p sentry - one internal to `Erigon`, and another - written
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in Rust as a part of `rust-ethereum`: https://github.com/rust-ethereum/sentry
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In order to run the internal sentry, use the following command:
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