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- Small revision in Siren documentation in: `book/src/ui_installation.md` - Add a section about slashing protection in web3signer, as per: https://github.com/sigp/lighthouse/issues/5310 in: `book/src/advanced_web3signer.md` - Add a presign option in `lighthouse account validator exit` in `book/src/validator_voluntary_exit.md` - Replace 'Holesky' with 'Hoodi' in all related parts in Lighthouse book - Add https://ethpandaops.io/posts/kurtosis-deep-dive/ to local testnet documentation
66 lines
1.7 KiB
Markdown
66 lines
1.7 KiB
Markdown
# Validator Client API: Authorization Header
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## Overview
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The validator client HTTP server requires that all requests have the following
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HTTP header:
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- Name: `Authorization`
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- Value: `Bearer <api-token>`
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Where `<api-token>` is a string that can be obtained from the validator client
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host. Here is an example of the `Authorization` header:
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```text
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Authorization: Bearer hGut6B8uEujufDXSmZsT0thnxvdvKFBvh
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```
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## Obtaining the API token
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The API token is stored as a file in the `validators` directory. For most users
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this is `~/.lighthouse/{network}/validators/api-token.txt`, unless overridden using the
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`--http-token-path` CLI parameter. Here's an
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example using the `cat` command to print the token for mainnet to the terminal, but any
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text editor will suffice:
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```bash
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cat ~/.lighthouse/mainnet/validators/api-token.txt
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hGut6B8uEujufDXSmZsT0thnxvdvKFBvh
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```
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When starting the validator client it will output a log message containing the path
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to the file containing the api token.
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```text
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Sep 28 19:17:52.615 INFO HTTP API started api_token_file: "$HOME/hoodi/validators/api-token.txt", listen_address: 127.0.0.1:5062
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```
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The _path_ to the API token may also be fetched from the HTTP API itself (this endpoint is the only
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one accessible without the token):
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```bash
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curl http://localhost:5062/lighthouse/auth
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```
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Response:
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```json
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{
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"token_path": "/home/karlm/.lighthouse/hoodi/validators/api-token.txt"
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}
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```
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## Example
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Here is an example `curl` command using the API token in the `Authorization` header:
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```bash
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curl localhost:5062/lighthouse/version -H "Authorization: Bearer hGut6B8uEujufDXSmZsT0thnxvdvKFBvh"
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```
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The server should respond with its version:
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```json
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{"data":{"version":"Lighthouse/v0.2.11-fc0654fbe+/x86_64-linux"}}
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```
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