package config import ( "bytes" "text/template" "github.com/spf13/viper" tmos "github.com/tendermint/tendermint/libs/os" ) const defaultConfigTemplate = `# This is a TOML config file. # For more information, see https://github.com/toml-lang/toml ############################################################################### ### Base Configuration ### ############################################################################### # The minimum gas prices a validator is willing to accept for processing a # transaction. A transaction's fees must meet the minimum of any denomination # specified in this config (e.g. 0.25token1;0.0001token2). minimum-gas-prices = "{{ .BaseConfig.MinGasPrices }}" # default: the last 100 states are kept in addition to every 500th state; pruning at 10 block intervals # nothing: all historic states will be saved, nothing will be deleted (i.e. archiving node) # everything: all saved states will be deleted, storing only the current state; pruning at 10 block intervals # custom: allow pruning options to be manually specified through 'pruning-keep-recent', 'pruning-keep-every', and 'pruning-interval' pruning = "{{ .BaseConfig.Pruning }}" # These are applied if and only if the pruning strategy is custom. pruning-keep-recent = "{{ .BaseConfig.PruningKeepRecent }}" pruning-keep-every = "{{ .BaseConfig.PruningKeepEvery }}" pruning-interval = "{{ .BaseConfig.PruningInterval }}" # HaltHeight contains a non-zero block height at which a node will gracefully # halt and shutdown that can be used to assist upgrades and testing. # # Note: Commitment of state will be attempted on the corresponding block. halt-height = {{ .BaseConfig.HaltHeight }} # HaltTime contains a non-zero minimum block time (in Unix seconds) at which # a node will gracefully halt and shutdown that can be used to assist upgrades # and testing. # # Note: Commitment of state will be attempted on the corresponding block. halt-time = {{ .BaseConfig.HaltTime }} # MinRetainBlocks defines the minimum block height offset from the current # block being committed, such that all blocks past this offset are pruned # from Tendermint. It is used as part of the process of determining the # ResponseCommit.RetainHeight value during ABCI Commit. A value of 0 indicates # that no blocks should be pruned. # # This configuration value is only responsible for pruning Tendermint blocks. # It has no bearing on application state pruning which is determined by the # "pruning-*" configurations. # # Note: Tendermint block pruning is dependant on this parameter in conunction # with the unbonding (safety threshold) period, state pruning and state sync # snapshot parameters to determine the correct minimum value of # ResponseCommit.RetainHeight. min-retain-blocks = {{ .BaseConfig.MinRetainBlocks }} # InterBlockCache enables inter-block caching. inter-block-cache = {{ .BaseConfig.InterBlockCache }} # IndexEvents defines the set of events in the form {eventType}.{attributeKey}, # which informs Tendermint what to index. If empty, all events will be indexed. # # Example: # ["message.sender", "message.recipient"] index-events = {{ .BaseConfig.IndexEvents }} ############################################################################### ### Telemetry Configuration ### ############################################################################### [telemetry] # Prefixed with keys to separate services. service-name = "{{ .Telemetry.ServiceName }}" # Enabled enables the application telemetry functionality. When enabled, # an in-memory sink is also enabled by default. Operators may also enabled # other sinks such as Prometheus. enabled = {{ .Telemetry.Enabled }} # Enable prefixing gauge values with hostname. enable-hostname = {{ .Telemetry.EnableHostname }} # Enable adding hostname to labels. enable-hostname-label = {{ .Telemetry.EnableHostnameLabel }} # Enable adding service to labels. enable-service-label = {{ .Telemetry.EnableServiceLabel }} # PrometheusRetentionTime, when positive, enables a Prometheus metrics sink. prometheus-retention-time = {{ .Telemetry.PrometheusRetentionTime }} # GlobalLabels defines a global set of name/value label tuples applied to all # metrics emitted using the wrapper functions defined in telemetry package. # # Example: # [["chain_id", "cosmoshub-1"]] global-labels = [{{ range $k, $v := .Telemetry.GlobalLabels }} ["{{index $v 0 }}", "{{ index $v 1}}"],{{ end }} ] ############################################################################### ### API Configuration ### ############################################################################### [api] # Enable defines if the API server should be enabled. enable = {{ .API.Enable }} # Swagger defines if swagger documentation should automatically be registered. swagger = {{ .API.Swagger }} # Address defines the API server to listen on. address = "{{ .API.Address }}" # MaxOpenConnections defines the number of maximum open connections. max-open-connections = {{ .API.MaxOpenConnections }} # RPCReadTimeout defines the Tendermint RPC read timeout (in seconds). rpc-read-timeout = {{ .API.RPCReadTimeout }} # RPCWriteTimeout defines the Tendermint RPC write timeout (in seconds). rpc-write-timeout = {{ .API.RPCWriteTimeout }} # RPCMaxBodyBytes defines the Tendermint maximum response body (in bytes). rpc-max-body-bytes = {{ .API.RPCMaxBodyBytes }} # EnableUnsafeCORS defines if CORS should be enabled (unsafe - use it at your own risk). enabled-unsafe-cors = {{ .API.EnableUnsafeCORS }} ############################################################################### ### gRPC Configuration ### ############################################################################### [grpc] # Enable defines if the gRPC server should be enabled. enable = {{ .GRPC.Enable }} # Address defines the gRPC server address to bind to. address = "{{ .GRPC.Address }}" ############################################################################### ### EVM RPC Configuration ### ############################################################################### [evm-rpc] # Enable defines if the gRPC server should be enabled. enable = {{ .EVMRPC.Enable }} # Address defines the EVM RPC HTTP server address to bind to. address = "{{ .EVMRPC.RPCAddress }}" # Address defines the EVM WebSocket server address to bind to. ws-address = "{{ .EVMRPC.WsAddress }}" ############################################################################### ### State Sync Configuration ### ############################################################################### # State sync snapshots allow other nodes to rapidly join the network without replaying historical # blocks, instead downloading and applying a snapshot of the application state at a given height. [state-sync] # snapshot-interval specifies the block interval at which local state sync snapshots are # taken (0 to disable). Must be a multiple of pruning-keep-every. snapshot-interval = {{ .StateSync.SnapshotInterval }} # snapshot-keep-recent specifies the number of recent snapshots to keep and serve (0 to keep all). snapshot-keep-recent = {{ .StateSync.SnapshotKeepRecent }} ` var configTemplate *template.Template func init() { var err error tmpl := template.New("appConfigFileTemplate") if configTemplate, err = tmpl.Parse(defaultConfigTemplate); err != nil { panic(err) } } // ParseConfig retrieves the default environment configuration for the // application. func ParseConfig(v *viper.Viper) (*Config, error) { conf := DefaultConfig() err := v.Unmarshal(conf) return conf, err } // WriteConfigFile renders config using the template and writes it to // configFilePath. func WriteConfigFile(configFilePath string, config *Config) { var buffer bytes.Buffer if err := configTemplate.Execute(&buffer, config); err != nil { panic(err) } tmos.MustWriteFile(configFilePath, buffer.Bytes(), 0644) }