Refactor and port CLI from Docopt to Clap (#2066) (#6356)

* Refactor and port CLI from Docopt to Clap (#2066)

* Add --can-restart and --force-direct to help

* Add flag support to subc & move import/export options to subcommand

* Reorder subcommand args (put positional args last in CLI help message)

parity/cli/tests/config.full.toml

@@ -0,0 +1,153 @@
+[parity]
+mode = "last"
+mode_timeout = 300
+mode_alarm = 3600
+auto_update = "none"
+release_track = "current"
+public_node = false
+no_download = false
+no_consensus = false
+no_persistent_txqueue = false
+
+chain = "homestead"
+base_path = "$HOME/.parity"
+db_path = "$HOME/.parity/chains"
+keys_path = "$HOME/.parity/keys"
+identity = ""
+light = false
+
+[account]
+unlock = ["0xdeadbeefcafe0000000000000000000000000000"]
+password = ["~/.safe/password.file"]
+keys_iterations = 10240
+
+[ui]
+force = false
+disable = false
+port = 8180
+interface = "127.0.0.1"
+path = "$HOME/.parity/signer"
+
+[network]
+port = 30303
+min_peers = 25
+max_peers = 50
+nat = "any"
+id = 1
+bootnodes = []
+discovery = true
+warp = true
+allow_ips = "all"
+snapshot_peers = 0
+max_pending_peers = 64
+no_serve_light = false
+
+reserved_only = false
+reserved_peers = "./path_to_file"
+
+[rpc]
+disable = false
+port = 8545
+interface = "local"
+cors = "null"
+apis = ["web3", "eth", "net", "parity", "traces", "rpc", "secretstore"]
+hosts = ["none"]
+
+[websockets]
+disable = false
+port = 8546
+interface = "local"
+origins = ["none"]
+apis = ["web3", "eth", "net", "parity", "traces", "rpc", "secretstore"]
+hosts = ["none"]
+
+[ipc]
+disable = false
+path = "$HOME/.parity/jsonrpc.ipc"
+apis = ["web3", "eth", "net", "parity", "parity_accounts", "personal", "traces", "rpc", "secretstore"]
+
+[dapps]
+disable = false
+port = 8080
+interface = "local"
+hosts = ["none"]
+path = "$HOME/.parity/dapps"
+# authorization:
+user = "test_user"
+pass = "test_pass"
+
+[secretstore]	
+disable = false
+disable_http = false
+disable_acl_check = false
+nodes = []
+http_interface = "local"
+http_port = 8082
+interface = "local"
+port = 8083
+path = "$HOME/.parity/secretstore"
+
+[ipfs]
+enable = false
+port = 5001
+interface = "local"
+cors = "null"
+hosts = ["none"]
+
+[mining]
+author = "0xdeadbeefcafe0000000000000000000000000001"
+engine_signer = "0xdeadbeefcafe0000000000000000000000000001"
+force_sealing = true
+reseal_on_txs = "all"
+reseal_min_period = 4000
+reseal_max_period = 60000
+work_queue_size = 20
+relay_set = "cheap"
+min_gas_price = 0
+usd_per_tx = "0.0025"
+usd_per_eth = "auto"
+price_update_period = "hourly"
+gas_floor_target = "4700000"
+gas_cap = "6283184"
+tx_queue_size = 8192
+tx_queue_gas = "off"
+tx_queue_strategy = "gas_factor"
+tx_queue_ban_count = 1
+tx_queue_ban_time = 180 #s
+tx_gas_limit = "6283184"
+tx_time_limit = 100 #ms
+extra_data = "Parity"
+remove_solved = false
+notify_work = ["http://localhost:3001"]
+refuse_service_transactions = false
+
+[footprint]
+tracing = "auto"
+pruning = "auto"
+pruning_history = 64
+pruning_memory = 500
+cache_size_db = 64
+cache_size_blocks = 8
+cache_size_queue = 50
+cache_size_state = 25
+cache_size = 128 # Overrides above caches with total size
+fast_and_loose = false
+db_compaction = "ssd"
+fat_db = "auto"
+scale_verifiers = true
+num_verifiers = 6
+
+[snapshots]
+disable_periodic = false
+
+[vm]
+jit = false
+
+[misc]
+logging = "own_tx=trace"
+log_file = "/var/log/parity.log"
+color = true
+
+[whisper]
+enabled = false
+pool_size = 20

parity/cli/tests/config.invalid1.toml

@@ -0,0 +1,2 @@
+[account
+unlock = "0x1"

parity/cli/tests/config.invalid2.toml

@@ -0,0 +1,4 @@
+[account]
+unlock = "0x1"
+passwd = []
+

parity/cli/tests/config.invalid3.toml

@@ -0,0 +1,3 @@
+[signer]
+passwd = []
+

parity/cli/tests/config.toml

@@ -0,0 +1,90 @@
+[parity]
+mode = "dark"
+mode_timeout = 15
+mode_alarm = 10
+chain = "./chain.json"
+
+[account]
+unlock = ["0x1", "0x2", "0x3"]
+password = ["passwdfile path"]
+
+[ui]
+disable = true
+
+[network]
+warp = false
+discovery = true
+nat = "any"
+min_peers = 10
+max_peers = 20
+max_pending_peers = 30
+snapshot_peers = 40
+allow_ips = "public"
+
+reserved_only = true
+reserved_peers = "./path/to/reserved_peers"
+
+[websockets]
+disable = true
+origins = ["none"]
+
+[rpc]
+disable = true
+port = 8180
+
+[ipc]
+apis = ["rpc", "eth"]
+
+[dapps]
+port = 8080
+user = "username"
+pass = "password"
+
+[secretstore]
+http_port = 8082
+port = 8083
+
+[ipfs]
+enable = false
+port = 5001
+
+[mining]
+author = "0xdeadbeefcafe0000000000000000000000000001"
+engine_signer = "0xdeadbeefcafe0000000000000000000000000001"
+force_sealing = true
+reseal_on_txs = "all"
+reseal_min_period = 4000
+reseal_max_period = 60000
+price_update_period = "hourly"
+tx_queue_size = 8192
+tx_queue_gas = "off"
+
+[footprint]
+tracing = "on"
+pruning = "fast"
+pruning_history = 64
+cache_size_db = 128
+cache_size_blocks = 16
+cache_size_queue = 100
+cache_size_state = 25
+db_compaction = "ssd"
+fat_db = "off"
+scale_verifiers = false
+
+[snapshots]
+disable_periodic = true
+
+[vm]
+jit = false
+
+[misc]
+ntp_servers = ["0.parity.pool.ntp.org:123"]
+logging = "own_tx=trace"
+log_file = "/var/log/parity.log"
+color = true
+ports_shift = 0
+unsafe_expose = false
+
+[whisper]
+enabled = true
+pool_size = 50