在本地运行Substrate开发节点

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root@localhost:~/code/substrate/polkadot-sdk-solo-template-dev-courses# ./target/release/solochain-template-node -h
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A solochain node template built with Substrate, part of Polkadot Sdk.
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Usage: solochain-template-node [OPTIONS]
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       solochain-template-node <COMMAND>
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Commands:
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  key            Key management cli utilities
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  build-spec     Build a chain specification
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  check-block    Validate blocks
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  export-blocks  Export blocks
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  export-state   Export the state of a given block into a chain spec
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  import-blocks  Import blocks
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  purge-chain    Remove the whole chain
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  revert         Revert the chain to a previous state
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  benchmark      Sub-commands concerned with benchmarking
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  try-runtime    Try-runtime has migrated to a standalone CLI (<https://github.com/paritytech/try-runtime-cli>). The subcommand exists as a stub and deprecation notice. It will be removed entirely some time after January 2024
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  chain-info     Db meta columns information
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  help           Print this message or the help of the given subcommand(s)
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Options:
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      --validator                                                                                Enable validator mode
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      --no-grandpa                                                                               Disable GRANDPA
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      --rpc-external                                                                             Listen to all RPC interfaces (default: local)
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      --unsafe-rpc-external                                                                      Listen to all RPC interfaces
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      --rpc-methods <METHOD SET>                                                                 RPC methods to expose. [default: auto] [possible values: auto, safe, unsafe]
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      --rpc-rate-limit <RPC_RATE_LIMIT>                                                          RPC rate limiting (calls/minute) for each connection
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      --rpc-max-request-size <RPC_MAX_REQUEST_SIZE>                                              Set the maximum RPC request payload size for both HTTP and WS in megabytes [default: 15]
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      --rpc-max-response-size <RPC_MAX_RESPONSE_SIZE>                                            Set the maximum RPC response payload size for both HTTP and WS in megabytes [default: 15]
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      --rpc-max-subscriptions-per-connection <RPC_MAX_SUBSCRIPTIONS_PER_CONNECTION>              Set the maximum concurrent subscriptions per connection [default: 1024]
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      --rpc-port <PORT>                                                                          Specify JSON-RPC server TCP port
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      --rpc-max-connections <COUNT>                                                              Maximum number of RPC server connections [default: 100]
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      --rpc-message-buffer-capacity-per-connection <RPC_MESSAGE_BUFFER_CAPACITY_PER_CONNECTION>  The number of messages the RPC server is allowed to keep in memory [default: 64]
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      --rpc-disable-batch-requests                                                               Disable RPC batch requests
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      --rpc-max-batch-request-len <LEN>                                                          Limit the max length per RPC batch request
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      --rpc-cors <ORIGINS>                                                                       Specify browser *origins* allowed to access the HTTP & WS RPC servers
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      --name <NAME>                                                                              The human-readable name for this node
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      --no-telemetry                                                                             Disable connecting to the Substrate telemetry server
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      --telemetry-url <URL VERBOSITY>                                                            The URL of the telemetry server to connect to
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      --prometheus-port <PORT>                                                                   Specify Prometheus exporter TCP Port
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      --prometheus-external                                                                      Expose Prometheus exporter on all interfaces
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      --no-prometheus                                                                            Do not expose a Prometheus exporter endpoint
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      --max-runtime-instances <MAX_RUNTIME_INSTANCES>                                            The size of the instances cache for each runtime [max: 32] [default: 8]
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      --runtime-cache-size <RUNTIME_CACHE_SIZE>                                                  Maximum number of different runtimes that can be cached [default: 2]
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      --offchain-worker <ENABLED>                                                                Execute offchain workers on every block [default: when-authority] [possible values: always, never, when-authority]
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      --enable-offchain-indexing <ENABLE_OFFCHAIN_INDEXING>                                      Enable offchain indexing API [default: false] [possible values: true, false]
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      --chain <CHAIN_SPEC>                                                                       Specify the chain specification
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      --dev                                                                                      Specify the development chain
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  -d, --base-path <PATH>                                                                         Specify custom base path
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  -l, --log <LOG_PATTERN>...                                                                     Sets a custom logging filter (syntax: `<target>=<level>`)
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      --detailed-log-output                                                                      Enable detailed log output
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      --disable-log-color                                                                        Disable log color output
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      --enable-log-reloading                                                                     Enable feature to dynamically update and reload the log filter
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      --tracing-targets <TARGETS>                                                                Sets a custom profiling filter
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      --tracing-receiver <RECEIVER>                                                              Receiver to process tracing messages [default: log] [possible values: log]
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      --state-pruning <PRUNING_MODE>                                                             Specify the state pruning mode
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      --blocks-pruning <PRUNING_MODE>                                                            Specify the blocks pruning mode [default: archive-canonical]
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      --database <DB>                                                                            Select database backend to use [possible values: rocksdb, paritydb, auto, paritydb-experimental]
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      --db-cache <MiB>                                                                           Limit the memory the database cache can use
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      --wasm-execution <METHOD>                                                                  Method for executing Wasm runtime code [default: compiled] [possible values: interpreted-i-know-what-i-do, compiled]
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      --wasmtime-instantiation-strategy <STRATEGY>                                               The WASM instantiation method to use [default: pooling-copy-on-write] [possible values: pooling-copy-on-write, recreate-instance-copy-on-write, pooling,
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                                                                                                 recreate-instance]
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      --wasm-runtime-overrides <PATH>                                                            Specify the path where local WASM runtimes are stored
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      --execution-syncing <STRATEGY>                                                             Runtime execution strategy for importing blocks during initial sync [possible values: native, wasm, both, native-else-wasm]
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      --execution-import-block <STRATEGY>                                                        Runtime execution strategy for general block import (including locally authored blocks) [possible values: native, wasm, both, native-else-wasm]
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      --execution-block-construction <STRATEGY>                                                  Runtime execution strategy for constructing blocks [possible values: native, wasm, both, native-else-wasm]
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      --execution-offchain-worker <STRATEGY>                                                     Runtime execution strategy for offchain workers [possible values: native, wasm, both, native-else-wasm]
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      --execution-other <STRATEGY>                                                               Runtime execution strategy when not syncing, importing or constructing blocks [possible values: native, wasm, both, native-else-wasm]
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      --execution <STRATEGY>                                                                     The execution strategy that should be used by all execution contexts [possible values: native, wasm, both, native-else-wasm]
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      --trie-cache-size <Bytes>                                                                  Specify the state cache size [default: 67108864]
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      --state-cache-size <STATE_CACHE_SIZE>                                                      DEPRECATED: switch to `--trie-cache-size`
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      --bootnodes <ADDR>...                                                                      Specify a list of bootnodes
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      --reserved-nodes <ADDR>...                                                                 Specify a list of reserved node addresses
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      --reserved-only                                                                            Whether to only synchronize the chain with reserved nodes
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      --public-addr <PUBLIC_ADDR>...                                                             Public address that other nodes will use to connect to this node
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      --listen-addr <LISTEN_ADDR>...                                                             Listen on this multiaddress
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      --port <PORT>                                                                              Specify p2p protocol TCP port
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      --no-private-ip                                                                            Always forbid connecting to private IPv4/IPv6 addresses
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      --allow-private-ip                                                                         Always accept connecting to private IPv4/IPv6 addresses
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      --out-peers <COUNT>                                                                        Number of outgoing connections we're trying to maintain [default: 8]
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      --in-peers <COUNT>                                                                         Maximum number of inbound full nodes peers [default: 32]
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      --in-peers-light <COUNT>                                                                   Maximum number of inbound light nodes peers [default: 100]
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      --no-mdns                                                                                  Disable mDNS discovery (default: true)
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      --max-parallel-downloads <COUNT>                                                           Maximum number of peers from which to ask for the same blocks in parallel [default: 5]
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      --node-key <KEY>                                                                           Secret key to use for p2p networking
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      --node-key-type <TYPE>                                                                     Crypto primitive to use for p2p networking [default: ed25519] [possible values: ed25519]
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      --node-key-file <FILE>                                                                     File from which to read the node's secret key to use for p2p networking
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      --discover-local                                                                           Enable peer discovery on local networks
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      --kademlia-disjoint-query-paths                                                            Require iterative Kademlia DHT queries to use disjoint paths
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      --kademlia-replication-factor <KADEMLIA_REPLICATION_FACTOR>                                Kademlia replication factor [default: 20]
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      --ipfs-server                                                                              Join the IPFS network and serve transactions over bitswap protocol
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      --sync <SYNC_MODE>                                                                         Blockchain syncing mode. [default: full] [possible values: full, fast, fast-unsafe, warp]
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      --max-blocks-per-request <COUNT>                                                           Maximum number of blocks per request [default: 64]
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      --pool-limit <COUNT>                                                                       Maximum number of transactions in the transaction pool [default: 8192]
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      --pool-kbytes <COUNT>                                                                      Maximum number of kilobytes of all transactions stored in the pool [default: 20480]
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      --tx-ban-seconds <SECONDS>                                                                 How long a transaction is banned for
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      --keystore-path <PATH>                                                                     Specify custom keystore path
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      --password-interactive                                                                     Use interactive shell for entering the password used by the keystore
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      --password <PASSWORD>                                                                      Password used by the keystore
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      --password-filename <PATH>                                                                 File that contains the password used by the keystore
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      --alice                                                                                    Shortcut for `--name Alice --validator`
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      --bob                                                                                      Shortcut for `--name Bob --validator`
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      --charlie                                                                                  Shortcut for `--name Charlie --validator`
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      --dave                                                                                     Shortcut for `--name Dave --validator`
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      --eve                                                                                      Shortcut for `--name Eve --validator`
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      --ferdie                                                                                   Shortcut for `--name Ferdie --validator`
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      --one                                                                                      Shortcut for `--name One --validator`
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      --two                                                                                      Shortcut for `--name Two --validator`
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      --force-authoring                                                                          Enable authoring even when offline
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      --tmp                                                                                      Run a temporary node
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  -h, --help                                                                                     Print help (see more with '--help')
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  -V, --version                                                                                  Print version

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访问前端页面，点击选择development的local node
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https://polkadot.js.org/apps/#/explorer?rpc=ws://localhost:9944