Skip to content
On this page

empowerd start ​

Run the full node

Synopsis ​

Run the full node application with Tendermint in or out of process. By default, the application will run with Tendermint in process.

Pruning options can be provided via the '--pruning' flag or alternatively with '--pruning-keep-recent', and 'pruning-interval' together.

For '--pruning' the options are as follows:

default: the last 362880 states are kept, pruning at 10 block intervals nothing: all historic states will be saved, nothing will be deleted (i.e. archiving node) everything: 2 latest states will be kept; pruning at 10 block intervals. custom: allow pruning options to be manually specified through 'pruning-keep-recent', and 'pruning-interval'

Node halting configurations exist in the form of two flags: '--halt-height' and '--halt-time'. During the ABCI Commit phase, the node will check if the current block height is greater than or equal to the halt-height or if the current block time is greater than or equal to the halt-time. If so, the node will attempt to gracefully shutdown and the block will not be committed. In addition, the node will not be able to commit subsequent blocks.

For profiling and benchmarking purposes, CPU profiling can be enabled via the '--cpu-profile' flag which accepts a path for the resulting pprof file.

The node may be started in a 'query only' mode where only the gRPC and JSON HTTP API services are enabled via the 'grpc-only' flag. In this mode, Tendermint is bypassed and can be used when legacy queries are needed after an on-chain upgrade is performed. Note, when enabled, gRPC will also be automatically enabled.

empowerd start [flags]

Options ​

--abci string                                     specify abci transport (socket | grpc) (default "socket")
      --address string                                  Listen address (default "tcp://0.0.0.0:26658")
      --api.address string                              the API server address to listen on (default "tcp://localhost:1317")
      --api.enable                                      Define if the API server should be enabled
      --api.enabled-unsafe-cors                         Define if CORS should be enabled (unsafe - use it at your own risk)
      --api.max-open-connections uint                   Define the number of maximum open connections (default 1000)
      --api.rpc-max-body-bytes uint                     Define the Tendermint maximum request body (in bytes) (default 1000000)
      --api.rpc-read-timeout uint                       Define the Tendermint RPC read timeout (in seconds) (default 10)
      --api.rpc-write-timeout uint                      Define the Tendermint RPC write timeout (in seconds)
      --api.swagger                                     Define if swagger documentation should automatically be registered (Note: the API must also be enabled)
      --block_sync                                      sync the block chain using the blocksync algorithm (default true)
      --consensus.create_empty_blocks                   set this to false to only produce blocks when there are txs or when the AppHash changes (default true)
      --consensus.create_empty_blocks_interval string   the possible interval between empty blocks (default "0s")
      --consensus.double_sign_check_height int          how many blocks to look back to check existence of the node's consensus votes before joining consensus
      --cpu-profile string                              Enable CPU profiling and write to the provided file
      --db_backend string                               database backend: goleveldb | cleveldb | boltdb | rocksdb | badgerdb (default "goleveldb")
      --db_dir string                                   database directory (default "data")
      --genesis_hash bytesHex                           optional SHA-256 hash of the genesis file
      --grpc-only                                       Start the node in gRPC query only mode (no Tendermint process is started)
      --grpc-web.address string                         The gRPC-Web server address to listen on (default "localhost:9091")
      --grpc-web.enable                                 Define if the gRPC-Web server should be enabled. (Note: gRPC must also be enabled) (default true)
      --grpc.address string                             the gRPC server address to listen on (default "localhost:9090")
      --grpc.enable                                     Define if the gRPC server should be enabled (default true)
      --halt-height uint                                Block height at which to gracefully halt the chain and shutdown the node
      --halt-time uint                                  Minimum block time (in Unix seconds) at which to gracefully halt the chain and shutdown the node
  -h, --help                                            help for start
      --home string                                     The application home directory (default "/root/.empowerchain")
      --iavl-disable-fastnode                           Disable fast node for IAVL tree
      --inter-block-cache                               Enable inter-block caching (default true)
      --inv-check-period uint                           Assert registered invariants every N blocks
      --mempool.max-txs int                             Sets MaxTx value for the app-side mempool
      --min-retain-blocks uint                          Minimum block height offset during ABCI commit to prune Tendermint blocks
      --minimum-gas-prices string                       Minimum gas prices to accept for transactions; Any fee in a tx must meet this minimum (e.g. 0.01photino;0.0001stake)
      --moniker string                                  node name (default "buildkitsandbox")
      --p2p.external-address string                     ip:port address to advertise to peers for them to dial
      --p2p.laddr string                                node listen address. (0.0.0.0:0 means any interface, any port) (default "tcp://0.0.0.0:26656")
      --p2p.persistent_peers string                     comma-delimited ID@host:port persistent peers
      --p2p.pex                                         enable/disable Peer-Exchange (default true)
      --p2p.private_peer_ids string                     comma-delimited private peer IDs
      --p2p.seed_mode                                   enable/disable seed mode
      --p2p.seeds string                                comma-delimited ID@host:port seed nodes
      --p2p.unconditional_peer_ids string               comma-delimited IDs of unconditional peers
      --p2p.upnp                                        enable/disable UPNP port forwarding
      --priv_validator_laddr string                     socket address to listen on for connections from external priv_validator process
      --proxy_app string                                proxy app address, or one of: 'kvstore', 'persistent_kvstore' or 'noop' for local testing. (default "tcp://127.0.0.1:26658")
      --pruning string                                  Pruning strategy (default|nothing|everything|custom) (default "default")
      --pruning-interval uint                           Height interval at which pruned heights are removed from disk (ignored if pruning is not 'custom')
      --pruning-keep-recent uint                        Number of recent heights to keep on disk (ignored if pruning is not 'custom')
      --rpc.grpc_laddr string                           GRPC listen address (BroadcastTx only). Port required
      --rpc.laddr string                                RPC listen address. Port required (default "tcp://127.0.0.1:26657")
      --rpc.pprof_laddr string                          pprof listen address (https://golang.org/pkg/net/http/pprof)
      --rpc.unsafe                                      enabled unsafe rpc methods
      --state-sync.snapshot-interval uint               State sync snapshot interval
      --state-sync.snapshot-keep-recent uint32          State sync snapshot to keep (default 2)
      --trace                                           Provide full stack traces for errors in ABCI Log
      --trace-store string                              Enable KVStore tracing to an output file
      --transport string                                Transport protocol: socket, grpc (default "socket")
      --unsafe-skip-upgrades ints                       Skip a set of upgrade heights to continue the old binary
      --wasm.memory_cache_size uint32                   Sets the size in MiB (NOT bytes) of an in-memory cache for Wasm modules. Set to 0 to disable. (default 100)
      --wasm.query_gas_limit uint                       Set the max gas that can be spent on executing a query with a Wasm contract (default 3000000)
      --wasm.simulation_gas_limit string                Set the max gas that can be spent when executing a simulation TX
      --wasm.skip_wasmvm_version_check                  Skip check that ensures that libwasmvm version (the Rust project) and wasmvm version (the Go project) match
      --with-tendermint                                 Run abci app embedded in-process with tendermint (default true)
      --x-crisis-skip-assert-invariants                 Skip x/crisis invariants check on startup

SEE ALSO ​