laconicd/server/config/config.go

113 lines
3.5 KiB
Go
Raw Normal View History

2021-04-18 16:39:15 +00:00
package config
import (
"github.com/cosmos/cosmos-sdk/server/config"
2021-04-18 16:39:15 +00:00
"github.com/spf13/viper"
)
const (
// DefaultGRPCAddress is the default address the gRPC server binds to.
DefaultGRPCAddress = "0.0.0.0:9900"
// DefaultEVMAddress is the default address the EVM JSON-RPC server binds to.
DefaultEVMAddress = "0.0.0.0:8545"
2021-04-18 16:39:15 +00:00
// DefaultEVMWSAddress is the default address the EVM WebSocket server binds to.
DefaultEVMWSAddress = "0.0.0.0:8546"
2021-04-18 16:39:15 +00:00
)
// GetDefaultAPINamespaces returns the default list of JSON-RPC namespaces that should be enabled
func GetDefaultAPINamespaces() []string {
return []string{"eth"}
}
// AppConfig helps to override default appConfig template and configs.
// return "", nil if no custom configuration is required for the application.
func AppConfig(denom string) (string, interface{}) {
// Optionally allow the chain developer to overwrite the SDK's default
// server config.
srvCfg := config.DefaultConfig()
// The SDK's default minimum gas price is set to "" (empty value) inside
// app.toml. If left empty by validators, the node will halt on startup.
// However, the chain developer can set a default app.toml value for their
// validators here.
//
// In summary:
// - if you leave srvCfg.MinGasPrices = "", all validators MUST tweak their
// own app.toml config,
// - if you set srvCfg.MinGasPrices non-empty, validators CAN tweak their
// own app.toml to override, or use this default value.
//
// In ethermint, we set the min gas prices to 0.
if denom != "" {
srvCfg.MinGasPrices = "0" + denom
}
customAppConfig := Config{
Config: *srvCfg,
EVMRPC: *DefaultEVMConfig(),
}
customAppTemplate := config.DefaultConfigTemplate + DefaultConfigTemplate
return customAppTemplate, customAppConfig
}
// DefaultConfig returns server's default configuration.
func DefaultConfig() *Config {
return &Config{
Config: *config.DefaultConfig(),
EVMRPC: *DefaultEVMConfig(),
}
}
2021-04-18 16:39:15 +00:00
// EVMRPCConfig defines configuration for the EVM RPC server.
type EVMRPCConfig struct {
// RPCAddress defines the HTTP server to listen on
RPCAddress string `mapstructure:"address"`
// WsAddress defines the WebSocket server to listen on
2021-04-18 16:39:15 +00:00
WsAddress string `mapstructure:"ws-address"`
// API defines a list of JSON-RPC namespaces that should be enabled
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"`
2021-04-18 16:39:15 +00:00
}
// DefaultEVMConfig returns an EVM config with the JSON-RPC API enabled by default
func DefaultEVMConfig() *EVMRPCConfig {
return &EVMRPCConfig{
Enable: true,
API: GetDefaultAPINamespaces(),
RPCAddress: DefaultEVMAddress,
WsAddress: DefaultEVMWSAddress,
EnableUnsafeCORS: false,
}
}
// Config defines the server's top level configuration. It includes the default app config
// from the SDK as well as the EVM configuration to enable the JSON-RPC APIs.
2021-04-18 16:39:15 +00:00
type Config struct {
config.Config
EVMRPC EVMRPCConfig `mapstructure:"evm-rpc"`
2021-04-18 16:39:15 +00:00
}
// GetConfig returns a fully parsed Config object.
func GetConfig(v *viper.Viper) Config {
cfg := config.GetConfig(v)
2021-04-18 16:39:15 +00:00
return Config{
Config: cfg,
2021-04-18 16:39:15 +00:00
EVMRPC: EVMRPCConfig{
Enable: v.GetBool("evm-rpc.enable"),
API: v.GetStringSlice("evm-rpc.api"),
RPCAddress: v.GetString("evm-rpc.address"),
WsAddress: v.GetString("evm-rpc.ws-address"),
EnableUnsafeCORS: v.GetBool("evm-rpc.enable-unsafe-cors"),
2021-04-18 16:39:15 +00:00
},
}
}