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server: remove cors config fron JSON-RPC (#465)

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Federico Kunze Küllmer 2021-08-20 06:58:03 -04:00 committed by GitHub
parent 6f145da328
commit 9ea2ce4b8f
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6 changed files with 30 additions and 28 deletions
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17
docs/api/json-rpc/running_server.md
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@ -36,8 +36,19 @@ ethermintd start --json-rpc.gas-cap 0
## CORS
If accessing the RPC from a browser, CORS will need to be enabled with the appropriate domain set. Otherwise, JavaScript calls are limit by the same-origin policy and requests will fail:
If accessing the RPC from a browser, CORS will need to be enabled with the appropriate domain set. Otherwise, JavaScript calls are limit by the same-origin policy and requests will fail.
```bash
ethermintd start --json-rpc.enable-unsafe-cors
The CORS setting can be updated from the `app.toml`
```toml
###############################################################################
### API Configuration ###
###############################################################################
[api]
# ...
# EnableUnsafeCORS defines if CORS should be enabled (unsafe - use it at your own risk).
enabled-unsafe-cors = true # default false
```

4
server/config/config.go
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@ -114,8 +114,6 @@ type JSONRPCConfig struct {
API []string `mapstructure:"api"`
// Enable defines if the EVM RPC server should be enabled.
Enable bool `mapstructure:"enable"`
// EnableUnsafeCORS defines if CORS should be enabled (unsafe - use it at your own risk)
EnableUnsafeCORS bool `mapstructure:"enable-unsafe-cors"`
// GasCap is the global gas cap for eth-call variants.
GasCap uint64 `mapstructure:"gas-cap"`
}
@ -146,7 +144,6 @@ func DefaultJSONRPCConfig() *JSONRPCConfig {
API: GetDefaultAPINamespaces(),
Address: DefaultJSONRPCAddress,
WsAddress: DefaultJSONRPCWsAddress,
EnableUnsafeCORS: false,
GasCap: DefaultGasCap,
}
}
@ -174,7 +171,6 @@ func GetConfig(v *viper.Viper) Config {
API: v.GetStringSlice("json-rpc.api"),
Address: v.GetString("json-rpc.address"),
WsAddress: v.GetString("json-rpc.ws-address"),
EnableUnsafeCORS: v.GetBool("json-rpc.enable-unsafe-cors"),
GasCap: v.GetUint64("json-rpc.gas-cap"),
},
}

3
server/config/toml.go
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@ -32,9 +32,6 @@ ws-address = "{{ .JSONRPC.WsAddress }}"
# Example: "eth,txpool,personal,net,debug,web3"
api = "{{range $index, $elmt := .JSONRPC.API}}{{if $index}},{{$elmt}}{{else}}{{$elmt}}{{end}}{{end}}"
# EnableUnsafeCORS defines if CORS should be enabled (unsafe - use it at your own risk)
enable-unsafe-cors = "{{ .JSONRPC.EnableUnsafeCORS }}"
# GasCap sets a cap on gas that can be used in eth_call/estimateGas (0=infinite). Default: 25,000,000.
gas-cap = {{ .JSONRPC.GasCap }}
`

1
server/flags/flags.go
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@ -30,7 +30,6 @@ const (
JSONRPCAPI = "json-rpc.api"
JSONRPCAddress = "json-rpc.address"
JSONWsAddress = "json-rpc.ws-address"
JSONEnableUnsafeCORS = "json-rpc.enable-unsafe-cors"
JSONRPCGasCap = "json-rpc.gas-cap"
)

2
server/json_rpc.go
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@ -41,7 +41,7 @@ func StartJSONRPC(ctx *server.Context, clientCtx client.Context, tmRPCAddr strin
r.HandleFunc("/", rpcServer.ServeHTTP).Methods("POST")
handlerWithCors := cors.Default()
if config.JSONRPC.EnableUnsafeCORS {
if config.API.EnableUnsafeCORS {
handlerWithCors = cors.AllowAll()
}

1
server/start.go
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@ -143,7 +143,6 @@ which accepts a path for the resulting pprof file.
cmd.Flags().StringSlice(srvflags.JSONRPCAPI, config.GetDefaultAPINamespaces(), "Defines a list of JSON-RPC namespaces that should be enabled")
cmd.Flags().String(srvflags.JSONRPCAddress, config.DefaultJSONRPCAddress, "the JSON-RPC server address to listen on")
cmd.Flags().String(srvflags.JSONWsAddress, config.DefaultJSONRPCWsAddress, "the JSON-RPC WS server address to listen on")
cmd.Flags().Bool(srvflags.JSONEnableUnsafeCORS, false, "Define if the JSON-RPC server should enabled CORS (unsafe - use it at your own risk)")
cmd.Flags().Uint64(srvflags.JSONRPCGasCap, config.DefaultGasCap, "Sets a cap on gas that can be used in eth_call/estimateGas (0=infinite)")
cmd.Flags().String(srvflags.EVMTracer, config.DefaultEVMTracer, "the EVM tracer type to collect execution traces from the EVM transaction execution (json|struct|access_list|markdown)")