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Fixed Erigon README for Authentication API and jwt.hex generates in Datadir #3757

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Merged
merged 2 commits into from
Mar 24, 2022
+15 −3
Merged

Fixed Erigon README for Authentication API and jwt.hex generates in Datadir #3757

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f847879
added datadir jwt
Giulio2002 Mar 23, 2022
bb93c94
fixed readme
Giulio2002 Mar 23, 2022
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8 changes: 8 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -157,6 +157,14 @@ Once the JSON-RPC daemon is running, all you need to do is point your beacon cha
where `<ip address>` is either localhost or the IP address of the device running the JSON-RPC daemon.

Erigon has been tested with Lighthouse however all other clients that support JSON-RPC should also work.

### Authentication API

In order to establish a secure connection beetwen the Consensus Layer and the Execution Layer, a JWT secret key is automatically generated.

The JWT secret key will be present in the datadir by default under the name of `jwt.hex` and its path can be specified with the flag `--authrpc.jwtsecret`.

This piece of info needs to be specified in the Consensus Layer as well in order to establish connection successfully. More information can be found [here](https://github.com/ethereum/execution-apis/blob/main/src/engine/authentication.md)

### Multiple Instances / One Machine

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4 changes: 2 additions & 2 deletions cmd/utils/flags.go
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Expand Up @@ -331,8 +331,8 @@ var (

JWTSecretPath = cli.StringFlag{
Name: "authrpc.jwtsecret",
Usage: "Token to ensure safe connection between CL and EL",
Value: "jwt.hex",
Usage: "Path to the token that ensures safe connection between CL and EL",
Value: "",
}

HttpCompressionFlag = cli.BoolFlag{
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6 changes: 5 additions & 1 deletion turbo/cli/flags.go
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Expand Up @@ -285,6 +285,10 @@ func ApplyFlagsForNodeConfig(ctx *cli.Context, cfg *node.Config) {
}

func setEmbeddedRpcDaemon(ctx *cli.Context, cfg *node.Config) {
jwtSecretPath := ctx.GlobalString(utils.JWTSecretPath.Name)
if jwtSecretPath == "" {
jwtSecretPath = cfg.DataDir + "/jwt.hex"
}
c := &httpcfg.HttpCfg{
Enabled: ctx.GlobalBool(utils.HTTPEnabledFlag.Name),
DataDir: cfg.DataDir,
Expand All @@ -298,7 +302,7 @@ func setEmbeddedRpcDaemon(ctx *cli.Context, cfg *node.Config) {
HttpPort: ctx.GlobalInt(utils.HTTPPortFlag.Name),
EngineHTTPListenAddress: ctx.GlobalString(utils.EngineAddr.Name),
EnginePort: ctx.GlobalInt(utils.EnginePort.Name),
JWTSecretPath: ctx.GlobalString(utils.JWTSecretPath.Name),
JWTSecretPath: jwtSecretPath,
HttpCORSDomain: strings.Split(ctx.GlobalString(utils.HTTPCORSDomainFlag.Name), ","),
HttpVirtualHost: strings.Split(ctx.GlobalString(utils.HTTPVirtualHostsFlag.Name), ","),
API: strings.Split(ctx.GlobalString(utils.HTTPApiFlag.Name), ","),
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