Check-in [5195f616e1]
Overview
Comment:Split protocol parsing/creating from other tasks and added more supported items
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 5195f616e1f5935ae6b122ecba64d54949b0a0c7032a55adbe85f3d2d4eb53b8
User & Date: rkeene on 2018-12-04 18:02:35
Other Links: manifest | tags
Context
2018-12-04
20:07
Added support for selecting network and super peers check-in: 06095e42bd user: rkeene tags: trunk
18:02
Split protocol parsing/creating from other tasks and added more supported items check-in: 5195f616e1 user: rkeene tags: trunk
2018-11-19
20:12
Made help text more consistent check-in: 4a4d2c1e37 user: rkeene tags: trunk
Changes

Modified nano.tcl from [ecb41a3def] to [d46c2149d2].

16
17
18
19
20
21
22
23
24
25
26
27



28
29
30
31
32
33
34
16
17
18
19
20
21
22

23
24
25
26
27
28
29
30
31
32
33
34
35
36







-




+
+
+







namespace eval ::nano::account {}
namespace eval ::nano::node {}
namespace eval ::nano::ledger {}
namespace eval ::nano::ledger::lmdb {}
namespace eval ::nano::rpc {}
namespace eval ::nano::rpc::client {}
namespace eval ::nano::balance {}
namespace eval ::nano::node::server {}
namespace eval ::nano::node::bootstrap {}
namespace eval ::nano::node::realtime {}
namespace eval ::nano::network::client {}
namespace eval ::nano::network::server {}
namespace eval ::nano::protocol::create {}
namespace eval ::nano::protocol::parse {}
namespace eval ::nano::protocol::extensions {}
namespace eval ::nano::network::_dns {}

# Constants
set ::nano::block::stateBlockPreamble [binary decode hex "0000000000000000000000000000000000000000000000000000000000000006"]
set ::nano::block::zero "0000000000000000000000000000000000000000000000000000000000000000"
set ::nano::balance::zero "00000000000000000000000000000000"
set ::nano::address::zero $::nano::block::zero
70
71
72
73
74
75
76






77
78
79
80
81
82
83
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91







+
+
+
+
+
+







	unano 1000000000000000000
	uxrb  1000000000000000000
	Traw  1000000000000
	Graw  1000000000
	Mraw  1000000
	Kraw  1000
	raw   1
}
set ::nano::protocol::extensions {
	node_id_handshake {
		query 1
		response 2
	}
}

# Address management functions
proc ::nano::address::toPublicKey {address args} {
	set performChecksumCheck false
	set outputFormat "bytes"
	foreach arg $args {
461
462
463
464
465
466
467
468

469
470
471
472
473
474
475
469
470
471
472
473
474
475

476
477
478
479
480
481
482
483







-
+







	set blockJSONEntries [join $blockJSONEntries]

	set blockJSON [json::write object {*}$blockJSONEntries]

	return $blockJSON
}

proc ::nano::block::typeIDFromType {type} {
proc ::nano::block::typeIDFromType {type args} {
	set outputFormat decimal
	foreach arg $args {
		switch -exact -- $arg {
			"-dec" - "-decimal" {
				set outputFormat "decimal"
			}
			"-hex" {
488
489
490
491
492
493
494

495
496
497
498
499
500
501
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510







+







		"invalid"     { set typeId 0 }
		"not_a_block" { set typeId 1 }
		"send"        { set typeId 2 }
		"receive"     { set typeId 3 }
		"open"        { set typeId 4 }
		"change"      { set typeId 5 }
		"state"       { set typeId 6 }
		default       { error "Invalid type: $type" }
	}

	switch -- $outputFormat {
		"decimal" {
			set result $typeId
		}
		"hex" {
545
546
547
548
549
550
551



552
553
554
555
556
557
558
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570







+
+
+







		0 { set type "invalid" }
		1 { set type "not_a_block" }
		2 { set type "send" }
		3 { set type "receive" }
		4 { set type "open" }
		5 { set type "change" }
		6 { set type "state" }
		default {
			error "Invalid type ID: $typeId"
		}
	}

	return $type
}

proc ::nano::block::lengthFromType {type args} {
	set includeType false
1722
1723
1724
1725
1726
1727
1728
1729

1730
1731
1732
1733
1734
1735
1736
1734
1735
1736
1737
1738
1739
1740

1741
1742
1743
1744
1745
1746
1747
1748







-
+







	]

	catch {
		set basis_node [dict create]
		set basis_node [dict get $basis "node"]
	}
	set default_node [dict create \
		"client_id"     [binary encode hex [::nano::internal::randomBytes 32]] \
		"client_id_private_key"     [::nano::key::newKey] \
		"bootstrap_connections" "4" \
	]

	# XXX:TODO: Consider network
	dict set default_node "peering_port" "7075"
	dict set default_node "preconfigured_peers" [list "rai.raiblocks.net"]

1833
1834
1835
1836
1837
1838
1839




1840
1841
1842
1843
1844

1845
1846
1847
1848
























1849

1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860

1861
1862
1863

1864
1865
1866

1867
1868
1869
1870
1871
1872
1873
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859

1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888

1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899

1900
1901
1902

1903
1904
1905

1906
1907
1908
1909
1910
1911
1912
1913







+
+
+
+




-
+




+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-
+










-
+


-
+


-
+







	if {![dict exists $database_config "configDirectory"]} {
		dict set database_config "configDirectory" $info(-configDirectory)
	}

#	set dbHandle [::nano::ledger::${database_backend}::init $database_config]
#	::nano::node::setLedgerHandle $dbHandle
}

proc ::nano::node::user_log {line} {
	puts stderr $line
}

proc ::nano::node::log {message {level "debug"}} {
	set linePrefix ""
	foreach line [split $message "\n"] {
		puts stderr [format {%-40s %10s [%5s] %s} [::info coroutine] [clock seconds] $level ${linePrefix}$line]
		::nano::node::user_log [format {%-40s %10s [%5s] %s} [::info coroutine] [clock seconds] $level ${linePrefix}$line]
		set linePrefix "    "
	}
}

proc ::nano::protocol::extensions::get {messageType extensions} {
	::set flags [list]
	foreach {checkFlagName checkFlag} [dict get $::nano::protocol::extensions $messageType] {
		if {($extensions & $checkFlag) == $checkFlag} {
			lappend flags $checkFlagName
		}
	}
	return $flags
}

proc ::nano::protocol::extensions::set {messageType extensionsVar flag} {
	upvar 1 $extensionsVar extensions
	::set value [dict get $::nano::protocol::extensions $messageType $flag]
	::set extensions [expr {$extensions | $value}]
}

proc ::nano::protocol::extensions::unset {messageType extensionsVar flag} {
	upvar 1 $extensionsVar extensions

	::set value [dict get $::nano::protocol::extensions $messageType $flag]
	::set extensions [expr {$extensions & ((~$value) & 0xffff)}]
}


proc ::nano::network::client::bulk_pull {account {end ""}} {
proc ::nano::protocol::create::bulk_pull {account {end ""}} {
	set accountPubKey [::nano::address::toPublicKey $account -binary]

	if {$end ne ""} {
		if {[string length $end] != $::nano::block::hashLength} {
			set end [binary decode hex $end]
		}
	} else {
		set end [binary decode hex $::nano::block::zero]
	}

	return [binary format a32a32 \
	return [dict create data [binary format a32a32 \
		$accountPubKey \
		$end \
	]
	]]
}

proc ::nano::network::client::_bulk_pull_account_flagsParse {direction flag} {
proc ::nano::protocol::create::_bulk_pull_account_flagsParse {direction flag} {
	switch -- $direction {
		"toInt" {
			switch -- $flag {
				"" - "default" - "pendingHashAndAmount" {
					set flagValue 0
				}
				"pendingAddressOnly" {
1906
1907
1908
1909
1910
1911
1912
1913

1914
1915
1916
1917
1918
1919
1920
1921
1922
1923

1924
1925
1926
1927

1928
1929
1930

1931
1932
1933
1934
1935
1936
1937
1946
1947
1948
1949
1950
1951
1952

1953
1954
1955
1956
1957
1958
1959
1960
1961
1962

1963
1964
1965
1966

1967
1968
1969

1970
1971
1972
1973
1974
1975
1976
1977







-
+









-
+



-
+


-
+







			return $flagValue
		}
	}

	return -code error "Invalid direction: $direction"
}

proc ::nano::network::client::bulk_pull_account {account {minPending 0} {flags ""}} {
proc ::nano::protocol::create::bulk_pull_account {account {minPending 0} {flags ""}} {
	set accountPubKey [::nano::address::toPublicKey $account -binary]
	set minPendingHex [format %032llx $minPending]

	if {[string length $minPendingHex] > 32} {
		return -code error "Invalid amount: $minPending"
	}

	set flagsInt [_bulk_pull_account_flagsParse "toInt" $flags]

	return [binary format a32H32c \
	return [dict create data [binary format a32H32c \
		$accountPubKey \
		$minPendingHex \
		$flagsInt \
	]
	]]
}

proc ::nano::network::client::bulk_pull_account_response {sock account {minPending 0} {flags ""}} {
proc ::nano::protocol::parse::bulk_pull_account_response {sock account {minPending 0} {flags ""}} {
	set frontierBlockhash [::nano::network::_recv $sock 32]
	set frontierBalance   [::nano::network::_recv $sock 16]

	set frontierBlockhash [binary encode hex $frontierBlockhash]
	set frontierBlockhash [string toupper $frontierBlockhash]

	set frontierBalance   [binary encode hex $frontierBalance]
2010
2011
2012
2013
2014
2015
2016
2017

2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032

2033
2034




2035
2036
2037
2038













































2039
2040
2041
2042
2043
2044
2045
2050
2051
2052
2053
2054
2055
2056

2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071

2072
2073
2074
2075
2076
2077
2078




2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130







-
+














-
+


+
+
+
+
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+







			] \
		pending $pendingInfo \
	]

	return $retval
}

proc ::nano::network::client::frontier_req {{startAccount ""} {age ""} {count ""}} {
proc ::nano::protocol::create::frontier_req {{startAccount ""} {age ""} {count ""}} {
	if {$startAccount eq ""} {
		set accountPubKey [binary decode hex $::nano::address::zero]
	} else {
		set accountPubKey [::nano::address::toPublicKey $startAccount -binary]
	}

	if {$age eq ""} {
		set age [expr {2**32-1}]
	}

	if {$count eq ""} {
		set count [expr {2**32-1}]
	}

	return [binary format a32ii $accountPubKey $age $count]
	return [dict create data [binary format a32ii $accountPubKey $age $count]]
}

proc ::nano::protocol::create::node_id_handshake {types args} {
	array set argInfo $args
	set extensions 0
	set data ""
proc ::nano::network::client::node_id_handshake {nodeID} {
	set nodeID [binary decode hex $nodeID]

	return $nodeID

	if {[llength $types] < 1} {
		return -code error "Invalid types specified: (none)"
	}

	foreach type $types {
		if {$type in {"query" "response"}} {
			continue
		}

		return -code error "Invalid type specified: $type"
	}

	if {"query" in $types} {
		::nano::protocol::extensions::set "node_id_handshake" extensions "query"

		# XXX:TODO: Verify this is exactly a 32-byte nonce

		append data $argInfo(-query)
	}

	if {"response" in $types} {
		::nano::protocol::extensions::set "node_id_handshake" extensions "response"

		if {![info exists argInfo(-privateKey)]} {
			set argInfo(-privateKey) [::nano::key::newKey]
		}

		set publicKey [::nano::key::publicKeyFromPrivateKey $argInfo(-privateKey) -binary]
		set signature [::nano::internal::signDetached $argInfo(-query) $argInfo(-privateKey)]

		if {[string length $argInfo(-query)] != 32} {
			return -code error "Invalid input data"
		}

		if {[string length $publicKey] != 32 || [string length $signature] != 64} {
			return -code error "Invalid output data"
		}

		set response [binary format a32a64 $publicKey $signature]

		append data $response
	}

	return [dict create extensions $extensions data $data]
}

proc ::nano::network::_localIP {version} {
	if {[info exists ::nano::network::_localIP($version)]} {
		return $::nano::network::_localIP($version)
	}

2064
2065
2066
2067
2068
2069
2070


2071
2072
2073
2074
2075












2076
2077
2078
2079



2080
2081
2082
2083



2084
2085
2086
2087
2088
2089







2090
2091
2092


2093



2094
2095













2096
2097
2098
2099

















































































































2100
2101
2102
2103
2104
2105
2106






2107
2108
2109
2110
2111
2112
2113

2114
2115


2116
2117

2118
2119
2120
2121
2122
2123

2124
2125






2126


2127
2128

2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146

2147
2148
2149
2150
2151
2152
2153
2149
2150
2151
2152
2153
2154
2155
2156
2157





2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170



2171
2172
2173
2174



2175
2176
2177
2178





2179
2180
2181
2182
2183
2184
2185



2186
2187
2188
2189
2190
2191


2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207

2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322





2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336


2337
2338
2339

2340
2341
2342
2343
2344
2345

2346
2347
2348
2349
2350
2351
2352
2353
2354

2355
2356
2357

2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375

2376
2377
2378
2379
2380
2381
2382
2383







+
+
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+

-
-
-
+
+
+

-
-
-
+
+
+

-
-
-
-
-
+
+
+
+
+
+
+
-
-
-
+
+

+
+
+
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+



-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+


-
-
-
-
-
+
+
+
+
+
+







+
-
-
+
+

-
+





-
+


+
+
+
+
+
+
-
+
+

-
+

















-
+







	set localIP "${localIPPrefix}${localIP}"

	set ::nano::network::_localIP($version) $localIP

	return $::nano::network::_localIP($version)
}

proc ::nano::protocol::create::keepalive {ipPortDictList args} {
	set retval ""
proc ::nano::network::client::keepalive {} {
	# Encode our local IP address in the packet
	set localIPs [list]
	foreach ipVersion {v4 v6} {
		unset -nocomplain localIP

	# Allow creating an empty keepalive
	array set argInfo {
		-local true
	}
	array set argInfo $args

	if {$argInfo(-local)} {
		set localPort [dict get $::nano::node::configuration "node" "peering_port"]
		set ipPortDictListHead [list]
		foreach ipVersion {v4 v6} {
			unset -nocomplain localIP

		catch {
			set localIP [::nano::network::_localIP $ipVersion]
		}
			catch {
				set localIP [::nano::network::_localIP $ipVersion]
			}

		if {![info exists localIP]} {
			continue
		}
			if {![info exists localIP]} {
				continue
			}

		lappend localIPs [binary decode hex [string map [list ":" ""] [::ip::normalize $localIP]]]
	}

	# Encode port as a 16-bit integer in network byte order (big endian)
	set localPort [dict get $::nano::node::configuration "node" "peering_port"]
			lappend ipPortDictListHead [dict create address $localIP port $localPort]
		}
		set ipPortDictList [concat $ipPortDictListHead $ipPortDictList]
	}

	if {[llength $ipPortDictList] == 0} {
		return [dict create data ""]
	set localPort [binary format s $localPort]

	set retval ""
	}

	while {[string length $retval] < 144} {
		foreach ipPortDict $ipPortDictList {
			set ip [dict get $ipPortDict address]
			set port [dict get $ipPortDict port]
		foreach localIP $localIPs {
			append retval "${localIP}${localPort}"

			# Encode IP address as a byte array
			if {[::ip::version $ip] == 4} {
				# Convert to IPv6 if needed
				set ip "::ffff:$ip"
			}

			set ip [binary decode hex [string map [list ":" ""] [::ip::normalize $ip]]]

			# Encode port as a 16-bit integer in network byte order (big endian)
			set port [binary format s $port]

			append retval "${ip}${port}"
		}
	}

	return [string range $retval 0 143]
	return [dict create data [string range $retval 0 143]]
}

proc ::nano::protocol::create::confirm_req {blockDict} {
	set blockData [::nano::block::dict::toBlock $blockDict]
	set blockType [dict get $blockDict type] 
	set blockTypeID [::nano::block::typeIDFromType $blockType -decimal]

	set retval(blockType) $blockTypeID
	set retval(data) $blockData

	return [array get retval]
}

proc ::nano::protocol::parse::confirm_req {extensions blockData} {
	set blockTypeID [expr {($extensions >> 8) & 0x0f}]
	set blockType [::nano::block::typeFromTypeID $blockTypeID]
	set blockDict [::nano::block::dict::fromBlock $blockData -type=$blockType]

	# XXX:TEMPORARY
	dict unset blockDict _blockData
	dict unset blockDict _workData

	set retval(blockType) $blockType
	set retval(block) $blockDict

	return [array get retval]
}

proc ::nano::protocol::parse::confirm_ack {extensions blockData} {
	set blockTypeID [expr {($extensions >> 8) & 0x0f}]
	set blockType [::nano::block::typeFromTypeID $blockTypeID]

	# Header
	binary scan $blockData H64H128wa* \
		retval(voteAccount) \
		retval(voteSignature) \
		retval(voteSequence) \
		newBlockData

	set blockData $newBlockData

	# Determine whether or not this is a vote-by-hash block 
	set voteType "full"
	if {$blockType eq "not_a_block"} {
		set voteType "hash-only"
	}
	set retval(voteType) $voteType

	# Generate the data to hash and verify
	set signedData ""
	if {$voteType eq "hash-only"} {
		### Vote-by-hash blocks have a prefix containing the bytes "vote "
		append signedData "vote "
	}

	# Process the vote data
	if {$voteType eq "hash-only"} {
		set retval(hashes) [list]
		while {[string length $blockData] >= 32} {
			binary scan $blockData H64a* hash blockData

			lappend retval(hashes) $hash
			append signedData [binary decode hex $hash]
		}
	} else {
		set blockDict [::nano::block::dict::fromBlock $blockData -type=$blockType]
		set blockHash [::nano::block::dict::toHash $blockDict -hex]
		append signedData [binary decode hex $blockHash]

		# XXX:TEMPORARY
		dict unset blockDict _blockData
		dict unset blockDict _workData

		set retval(blockType) $blockType
		set retval(hashes) [list $blockHash]
		set retval(block) $blockDict
	}

	# Add the sequence number to the signed data
	append signedData [binary format w $retval(voteSequence)]

	# Verify signature of the hash
	set valid false
	catch {
		set valid [::nano::internal::verifyDetached \
			[::nano::internal::hashData $signedData $::nano::block::hashLength] \
			[binary decode hex $retval(voteSignature)] \
			[binary decode hex $retval(voteAccount)] \
		]
	}

	# Convert the account to an account form
	set retval(voteAccount) [::nano::address::fromPublicKey $retval(voteAccount)]

	# If the signature is invalid, clean things up a bit
	if {!$valid} {
		set retval(valid) false

		# If the vote isn't valid, don't create entries regarding this vote
		foreach renameKey [array names retval] {
			if {$renameKey eq "valid"} {
				continue
			}

			set retval(invalid_${renameKey}) $retval($renameKey)
			unset retval $renameKey
		}
	} else {
		set retval(valid) true
	}

	return [array get retval]
}

proc ::nano::network::client {sock messageType args} {
	set versionUsing 7
	set versionMin 7
	set versionMax 7
	set extensions 0
proc ::nano::protocol::create {messageType args} {
	set versionUsing 14
	set versionMin 13
	set versionMax $versionUsing
	set messageInfo(extensions) 0
	set messageInfo(blockType) 0

	set messageType [string tolower $messageType]
	set messageTypeID [lsearch -exact $::nano::network::messageTypes $messageType]
	if {$messageTypeID == -1} {
		return -code error "Invalid message type: $messageType"
	}

	array set messageInfo [::nano::protocol::create::${messageType} {*}$args]
	set blockType 0
	set extensions [expr {$extensions | (($blockType << 8) & 0x0f00)}]

	set messageInfo(extensions) [expr {$messageInfo(extensions) | (($messageInfo(blockType) << 8) & 0x0f00)}]

	set message [binary format a2ccccS \
	set message [binary format a2ccccs \
		RC \
		$versionMax \
		$versionUsing \
		$versionMin \
		$messageTypeID \
		$extensions \
		$messageInfo(extensions) \
	]

	append message $messageInfo(data)

	return $message
}


	append message [::nano::network::client::${messageType} {*}$args]
proc ::nano::network::client {sock messageType args} {
	set message [::nano::protocol::create $messageType {*}$args]

	::nano::node::log "Sending message [binary encode hex $message] to socket $sock"
	::nano::node::log "Sending message [binary encode hex $message] ([::nano::protocol::parse $message]) to socket $sock"

	catch {
		if {[dict get $sock "type"] eq "realtime"} {
			set sockInfo $sock
			set sock [dict get $sock "socket"]
		}
	}

	if {[info exists sockInfo]} {
		fconfigure $sock -remote [dict get $sockInfo "remote"]
	}

	chan configure $sock -translation binary -encoding binary

	puts -nonewline $sock $message
	flush $sock

	set responseCommand ::nano::network::client::${messageType}_response
	set responseCommand ::nano::protocol::parse::${messageType}_response
	set response ""
	if {[info command $responseCommand] ne ""} {
		set response [$responseCommand $sock {*}$args]
	}

	return $response
}
2260
2261
2262
2263
2264
2265
2266
2267

2268
2269
2270
2271
2272
2273
2274
2490
2491
2492
2493
2494
2495
2496

2497
2498
2499
2500
2501
2502
2503
2504







-
+







}

proc ::nano::node::bootstrap {} {
	set ::nano::node::bootstrap::frontiers_to_pull [list]
	set ::nano::node::bootstrap::frontier_req_running false

	while true {
		set peerInfoList [::nano::network::getPeers]
		set peerInfoList [::nano::node::getPeers]
		::nano::node::log "Have [llength $peerInfoList] peers"

		foreach peerInfo $peerInfoList {
			set peer     [dict get $peerInfo "address"]
			set peerPort [dict get $peerInfo "port"]

			if {[llength [info command ::nano::node::bootstrap::peer_*]] >= [dict get $::nano::node::configuration node bootstrap_connections]} {
2286
2287
2288
2289
2290
2291
2292
2293

2294
2295

2296
2297
2298
2299
2300
2301
2302
2516
2517
2518
2519
2520
2521
2522

2523
2524

2525
2526
2527
2528
2529
2530
2531
2532







-
+

-
+








		::nano::node::_sleep 30000
	}
}

proc ::nano::network::_connect {host port} {
	if {[info coroutine] eq ""} {
		set sock [socket $host $port]
		set sock [::socket $host $port]
	} else {
		set sock [socket -async $host $port]
		set sock [::socket -async $host $port]
		chan event $sock writable [info coroutine]
		chan event $sock readable [info coroutine]

		if {![chan configure $sock -connecting]} {
			if {[chan configure $sock -error] ne ""} {
				close $sock

2370
2371
2372
2373
2374
2375
2376
2377

2378
2379
2380
2381
2382

2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396




2397



2398
2399
2400


2401
2402
2403







2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416

2417
2418

2419
2420

2421
2422
2423
2424
2425
2426

2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444


2445
2446
2447
2448
2449
2450
2451
2452
2453
2454

2455
2456
2457

2458
2459
2460
2461
2462

2463


































































































2464
2465



2466


















2467

2468
2469
2470

2471
2472

2473


2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488



















































2489
2490
2491
2492
2493

2494
2495

2496
2497
2498
2499
2500
2501
2502
2503







































2504
2505
2506
2507
2508
2509
2510
2511



2512

2513
2514
2515
2516
2517
2518
2519



2520
2521
2522
2523
2524
2525
2526
2527
2528

2529
2530

2531
2532
2533
2534
2535
2536


2537
2538
2539
2540










2541

2542
2543
2544
2545
2546

2547
2548
2549

2550
2551
2552
2553
2554
2555
2556

2557
2558
2559








2560
2561
2562
2563










2564
2565
2566
2567
2568
2569
2570
2600
2601
2602
2603
2604
2605
2606

2607
2608
2609
2610
2611

2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630

2631
2632
2633
2634
2635
2636
2637
2638



2639
2640
2641
2642
2643
2644
2645

2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656

2657
2658

2659
2660

2661
2662
2663
2664
2665
2666

2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683


2684
2685




2686
2687
2688
2689
2690

2691
2692
2693

2694
2695
2696
2697
2698
2699
2700

2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799

2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821

2822
2823
2824
2825
2826
2827
2828
2829

2830
2831
2832














2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884




2885
2886

2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945

2946
2947
2948
2949
2950



2951
2952
2953
2954
2955
2956
2957
2958
2959
2960


2961
2962

2963






2964
2965

2966

2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977

2978
2979
2980

2981

2982
2983


2984
2985
2986
2987
2988
2989
2990

2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002




3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019







-
+




-
+














+
+
+
+
-
+
+
+



+
+
-
-
-
+
+
+
+
+
+
+
-











-
+

-
+

-
+





-
+
















-
-
+
+
-
-
-
-





-
+


-
+





+
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

-
+
+
+

+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-
+



+


+
-
+
+

-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

-
-
-
-
+

-
+








+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+








+
+
+
-
+




-
-
-
+
+
+







-
-
+

-
+
-
-
-
-
-
-
+
+
-

-

+
+
+
+
+
+
+
+
+
+
-
+


-

-
+

-
-
+






-
+



+
+
+
+
+
+
+
+
-
-
-
-
+
+
+
+
+
+
+
+
+
+







		::nano::node::log "Sleeping for $ms ms"
	}

	after $ms [info coroutine]
	yield
}

proc ::nano::network::getPeers {} {
proc ::nano::node::getPeers {} {
	if {[info exists ::nano::node::configuration]} {
		set peers [dict get $::nano::node::configuration node preconfigured_peers]
		set defaultPeerPort [dict get $::nano::node::configuration node peering_port]
	} else {
		error "Running without the node is currently unsupported"
		return [list]
	}

	set completePeers [list]
	foreach peer $peers {
		catch {
			foreach peer [::nano::network::_dns::toIPList $peer] {
				lappend completePeers [dict create address $peer port $defaultPeerPort]
			}
		}
	}

	set now [clock seconds]
	foreach {peerKeyInfo peerInfo} [array get ::nano::node::peers] {
		set lastSeen [dict get $peerInfo "lastSeen"]
		set address [dict get $peerKeyInfo "address"]
		set peerPort [dict get $peerKeyInfo "port"]
		set peerKey [dict create address $peer port $peerPort]

		if {($now - $lastSeen) > (2 * 60 * 60)} {
		if {($now - $lastSeen) > (5 * 60)} {
			unset -nocomplain ::nano::node::peers($peerKeyInfo)
			unset -nocomplain ::nano::node::_node_id_nonces($peerKey)
			continue
		}

		lappend completePeers $peerKey
	}
		set address [dict get $peerKeyInfo "address"]
		set peerPort [dict get $peerKeyInfo "port"]


	# Cleanup nonces while we are here
	foreach {peerKey peerInfo} [array get ::nano::node::_node_id_nonces] {
		set lastSeen [dict get $peerInfo "lastSeen"]
		if {($now - $lastSeen) > (5 * 60)} {
			unset ::nano::node::_node_id_nonces($peerKey)
		}
		lappend completePeers [dict create address $peer port $peerPort]
	}

	set completePeers [::nano::node::_randomSortList -unique $completePeers]
	set retval [list]
	foreach peer $completePeers {
		lappend retval $peer
	}

	return $retval
}

proc ::nano::network::server::keepalive {blockData} {
proc ::nano::protocol::parse::keepalive {extensions messageData} {
	set peers [list]
	while {$blockData ne ""} {
	while {$messageData ne ""} {
		# Parse an address and port pair
		set foundElements [binary scan $blockData H32s address port]
		set foundElements [binary scan $messageData H32s address port]
		if {$foundElements != 2} {
			break
		}

		# Remove the parsed portion
		set blockData [string range $blockData 18 end]
		set messageData [string range $messageData 18 end]

		# Convert the hex-notation to an IPv6 address
		set address [string trim [regsub -all {....} $address {&:}] ":"]
		set address [::ip::contract $address]
		if {[string match "::ffff:*" $address] && [llength [split $address :]] == 5} {
			# Convert IPv4 addresses to dotted quad notation
			set address [::ip::normalize $address]
			set address [split $address :]
			set address [join [lrange $address end-1 end] ""]
			set address [::ip::intToString 0x$address]
		}
		set port [expr {$port & 0xffff}]

		lappend peers [dict create "address" $address "port" $port]
	}

	if {$blockData ne ""} {
		return -code error "Invalid keepalive packet [binary encode hex $blockData]: Had extra bytes"
	if {$messageData ne ""} {
		return -code error "Invalid keepalive packet [binary encode hex $messageData]: Had extra bytes"
	}

	if {[llength $peers] != 8} {
		return -code error "Invalid keepalive packet [binary encode hex $blockData]: Did not contain exactly 8 address+port tuples"
	}

	return [dict create "peers" $peers]
}

proc ::nano::node::server::keepalive {blockData} {
proc ::nano::network::server::keepalive {messageDict} {
	set now [clock seconds]

	set peers [dict get [::nano::network::server::keepalive $blockData] "peers"]
	set peers [dict get $messageDict "peers"]

	foreach peer $peers {
		set address [dict get $peer "address"]
		set port [dict get $peer "port"]

		# Canonicalize the peer name to a key
		set ::nano::node::peers([dict create address $address port $port]) [dict create lastSeen $now]
		set peer [dict create address $address port $port]

		# If this peer is not already known, contact them requesting a handshake
		if {![info exists ::nano::node::peers($peer)]} {
			set node_id_nonce [::nano::internal::randomBytes 32]
			set ::nano::node::_node_id_nonces($peer) [dict create query $node_id_nonce lastSeen $now]

			set peerSock [::nano::node::socket realtime $address $port]
			::nano::network::client $peerSock "node_id_handshake" query -query $node_id_nonce
		}
	}

	return ""
}

proc ::nano::protocol::parse::node_id_handshake {extensions messageData} {
	array set result [list]

	set flags [nano::protocol::extensions::get "node_id_handshake" $extensions]
	set result(flags) $flags

	if {"query" in $flags} {
		binary scan $messageData H64a* result(query) messageData
	}

	if {"response" in $flags} {
		binary scan $messageData H64H128 result(key) result(signature)
	}

	return [array get result]
}

proc ::nano::network::server::node_id_handshake {messageDict} {
	set retval ""

	if {"query" in [dict get $messageDict flags]} {
		set query [dict get $messageDict query]
		set retval [dict create "invoke_client" [list node_id_handshake response -query [binary decode hex $query]]]
	}

	if {"response" in [dict get $messageDict flags]} {
		set peerInfo [dict get $messageDict socket remote]
		set peerAddress [lindex $peerInfo 0]
		set peerPort [lindex $peerInfo 1]
		set peer [dict create address $peerAddress port $peerPort]

		# XXX:TODO: Verify the nonce
		if {![info exists ::nano::node::_node_id_nonces($peer)]} {
			return ""
		}
		set sentNonce $::nano::node::_node_id_nonces($peer)
		unset ::nano::node::_node_id_nonces($peer)

		# Add the peer to our list of peers
		set ::nano::node::peers($peer) [dict create lastSeen [clock seconds]]
	}

	return $retval
}

proc ::nano::network::server::confirm_ack {messageDict} {
	# keep statistics
	dict with messageDict {}

	incr ::nano::node::stats([list confirm_ack valid $valid])
	if {!$valid} {
		return ""
	}

	incr ::nano::node::stats([list confirm_ack rep $voteAccount valid $valid])

	incr ::nano::node::stats([list confirm_ack voteType $voteType])
	incr ::nano::node::stats([list confirm_ack rep $voteAccount voteType $voteType])

	if {![info exists ::nano::node::stats([list confirm_ack rep $voteAccount minVoteSequence])]} {
		set ::nano::node::stats([list confirm_ack rep $voteAccount minVoteSequence]) $voteSequence
	} else {
		if {$::nano::node::stats([list confirm_ack rep $voteAccount minVoteSequence]) > $voteSequence} {
			set ::nano::node::stats([list confirm_ack rep $voteAccount minVoteSequence]) $voteSequence
		}
	}

	if {![info exists ::nano::node::stats([list confirm_ack rep $voteAccount maxVoteSequence])]} {
		set ::nano::node::stats([list confirm_ack rep $voteAccount maxVoteSequence]) $voteSequence
	} else {
		if {$::nano::node::stats([list confirm_ack rep $voteAccount maxVoteSequence]) < $voteSequence} {
			set ::nano::node::stats([list confirm_ack rep $voteAccount maxVoteSequence]) $voteSequence
		}
	}

	set votedOn [llength $hashes]

	incr ::nano::node::stats([list confirm_ack votedOnCount]) $votedOn
	incr ::nano::node::stats([list confirm_ack rep $voteAccount votedOnCount]) $votedOn

	foreach hash $hashes {
		set ::nano::node::_stats_seen_hashes($hashes) 1
		set ::nano::node::_stats_seen_hashes_by_rep([list $voteAccount $hashes]) 1
	}
}

	set ::nano::node::stats([list confirm_ack votedOnUniqueCount]) [llength [array names ::nano::node::_stats_seen_hashes]]
	set ::nano::node::stats([list confirm_ack rep $voteAccount votedOnUniqueCount]) [llength [array names ::nano::node::_stats_seen_hashes_by_rep [list $voteAccount *]]]

	return ""
}

proc ::nano::protocol::parse::publish {extensions messageData} {
	set blockTypeID [expr {($extensions >> 8) & 0x0f}]
	set blockType [::nano::block::typeFromTypeID $blockTypeID]
	set blockDict [::nano::block::dict::fromBlock $messageData -type=$blockType]

	# XXX:TEMPORARY
	dict unset blockDict _blockData
	dict unset blockDict _workData

	set retval(blockType) $blockType
	set retval(block) $blockDict

	return [array get retval]
}

proc ::nano::network::server::publish {blockData} {
proc ::nano::network::server::publish {messageDict} {
	#puts "block: [binary encode hex $blockData]"
#9e1272edade3c247c738a4bd303eb0cfc3da298444bb9d13b8ffbced34ff036f4e1ff833324efc81c237776242928ef76a2cdfaa53f4c4530ee39bfff1977e26e382dd09ec8cafc2427cf817e9afe1f372ce81085ab4feb1f3de1f25ee818e5d000000008fc492fd20e57d048e000000204e7a62f25df739eaa224d403cb107b3f9caa0280113b0328fad3b402c465169006f988549a8b1e20e0a09b4b4dcae5397f6fcc4d507675f58c2b29ae02341b0a4fe562201a61bf27481aa4567c287136b4fd26b4840c93c42c7d1f5c518503d68ec561af4b8cf8
#9e1272edade3c247c738a4bd303eb0cfc3da298444bb9d13b8ffbced34ff036fa5e3647d3d296ec72baea013ba7fa1bf5c3357c33c90196f078ba091295e6e03e382dd09ec8cafc2427cf817e9afe1f372ce81085ab4feb1f3de1f25ee818e5d000000008fb2604ebd1fe098b8000000204e7a62f25df739eaa224d403cb107b3f9caa0280113b0328fad3b402c465165287cd9c61752dc9d011f666534dbdc10461e927503f9599791d73b1cca7fdc032d76db3f91e5b5c3d6206fa48b01bd08da4a89f2e880242e9917cfc3db80d0b9bfe8e6d1dd183d5
	return ""
}

# Namespace ::nano::protocol::parse deals with the network level protocol (outside the node)
proc ::nano::network::server {message {networkType "bootstrap"}} {
# Namespace ::nano::network::server deals with the node's actual interaction with the network
proc ::nano::protocol::parse {message} {
	set messageParsed [binary scan $message a2ccccsa* \
		packetMagic \
		versionMax \
		versionUsing \
		versionMin \
		messageTypeID \
		extensions \
		args
	]

	if {$packetMagic ne "RC"} {
		return ""
	}

	# XXX:TODO: Check versions and extensions
		result(packetMagic) \
		result(versionMax) \
		result(versionUsing) \
		result(versionMin) \
		result(messageTypeID) \
		result(extensions) \
		newBlockData
	]

	if {![info exists newBlockData]} {
		return ""
	}
	set blockData $newBlockData

	if {![info exists result(packetMagic)] || ![info exists result(messageTypeID)] || ![info exists result(extensions)]} {
		return ""
	}

	switch -- $result(packetMagic) {
		"RC" {
			set result(network) "main"
		}
		default {
			return ""
		}
	}

	set result(messageType) [lindex $::nano::network::messageTypes $result(messageTypeID)]

	if {[catch {
		set result(messageDict) [::nano::protocol::parse::$result(messageType) $result(extensions) $blockData]
	} err]} {
		if {![string match "invalid command name *" $err]} {
			::nano::node::log "Error parsing $result(messageType): $err"
		}
	}

	return [array get result]
}

proc ::nano::network::server {message {networkType "bootstrap"} {peerSock ""}} {
	set messageData [::nano::protocol::parse $message]
	dict with messageData {}

	::nano::node::log "*** Incoming: $messageType ($messageTypeID on $networkType; from $peerSock) [binary encode hex $message] ($messageData)"

	if {![info exists messageDict]} {
		return ""
	}

	dict set messageDict socket $peerSock

	set messageType [lindex $::nano::network::messageTypes $messageTypeID]
#puts "*** Incoming: $messageType ($messageTypeID on $networkType) [binary encode hex $message]"

	set retval ""
	set retval [dict create]
	if {[catch {
		set retval [::nano::node::server::${messageType} $args]
		set retval [::nano::network::server::${messageType} $messageDict]
	} err]} {
		if {![string match "invalid command name *" $err]} {
			::nano::node::log "Error handling ${messageType}: $err"
		}
	}

	return $retval
}

proc ::nano::node::socket {type address port} {
	if {$type eq "realtime"} {
		# Determine our listening port
		set peeringPort [dict get $::nano::node::configuration node peering_port]

		# Start a UDP listening socket
		foreach protocolVersion {v4 v6} {
			if {[info exists ::nano::node::realtime::socket($protocolVersion)]} {
				continue
			}

			set flags [list]
			if {$protocolVersion eq "v6"} {
				lappend flags ipv6
			}

			set protocolSocket [udp_open $peeringPort {*}$flags reuse]
			set ::nano::node::realtime::socket($protocolVersion) $protocolSocket
			fconfigure $protocolSocket -blocking false -encoding binary -translation binary
			chan event $protocolSocket readable [list ::nano::node::realtime::incoming $protocolSocket]
		}

		# Used to just start listening
		if {$address eq "" || $port eq ""} {
			return
		}

		set protocolVersion "v[::ip::version $address]"
		set socket $::nano::node::realtime::socket($protocolVersion)
		set peerSock [list type "realtime" remote [list $address $port] socket $socket]
	} elseif {$type eq "bootstrap"} {
		set peerSock [::nano::network::_connect $address $port]
	} else {
		return -code error "Unknown network type: $type"
	}

	return $peerSock
}

proc ::nano::node::realtime::incoming {socket} {
	set data [read $socket 8192]
	if {$data eq ""} {
		return
	}

	set remote [chan configure $socket -peer]
	set address [lindex $remote 0]
	set port [lindex $remote 1]
	set peerSock [::nano::node::socket realtime $address $port]
	set response [::nano::network::server $data "realtime"]
	set response [::nano::network::server $data "realtime" $peerSock]
	if {$response eq ""} {
		return
	}

	# XXX:TODO: Send response
	set peerSock [list type "realtime" remote $remote socket $socket]
	#::nano::network::client $peerSock ...
	set response [dict get $response "invoke_client"]

	::nano::network::client $peerSock {*}$response

	return
}

proc ::nano::node::realtime {} {
	package require udp

	set peeringPort [dict get $::nano::node::configuration node peering_port]
	set clientID [dict get $::nano::node::configuration node client_id]
	set clientIDPrivateKey [dict get $::nano::node::configuration node client_id_private_key]

	# Start a UDP listening socket
	# Start listening
	set socket(v6) [udp_open $peeringPort ipv6 reuse]
	set socket(v4) [udp_open $peeringPort reuse]
	foreach {protocolVersion protocolSocket} [array get socket] {
		fconfigure $protocolSocket -blocking false -encoding binary -translation binary
		chan event $protocolSocket readable [list ::nano::node::realtime::incoming $protocolSocket]
	}
	::nano::node::socket realtime "" ""


	# Periodically send keepalives to all known peers
	## XXX:TODO: Limit this to only a few peers
	while true {
		set allPeers [::nano::node::getPeers]
		set peers [lrange $allPeers 0 15]
		set peerNotifyCount [expr {int(sqrt([llength $allPeers]))}]
		if {$peerNotifyCount < 16} {
			set peerNotifyCount 16
		}
		if {$peerNotifyCount > 128} {
			set peerNotifyCount 128
		}

		foreach peerInfo [::nano::network::getPeers] {
		foreach peerInfo [lrange $allPeers 0 $peerNotifyCount] {
			set peerAddress [dict get $peerInfo "address"]
			set peerPort [dict get $peerInfo "port"]
			set protocolVersion "v[::ip::version $peerAddress]"

			set peerSock [list type "realtime" remote [list $peerAddress $peerPort] socket $socket(${protocolVersion})]
			set peerSock [::nano::node::socket realtime $peerAddress $peerPort]

			::nano::network::client $peerSock "node_id_handshake" $clientID
			::nano::network::client $peerSock "keepalive"
			::nano::network::client $peerSock "keepalive" $peers -local true
		}

		::nano::node::_sleep [expr {1 * 60 * 1000}]
	}
}

proc ::nano::node::start {} {
proc ::nano::node::start args {
	package require defer
	package require udp

	array set config {
		-bootstrap true
		-realtime true
		-wait true
	}
	array set config $args

	if {$config(-bootstrap)} {
	coroutine ::nano::node::bootstrap::run ::nano::node::bootstrap
	coroutine ::nano::node::realtime::run ::nano::node::realtime

	vwait ::nano::node::_FOREVER_
		coroutine ::nano::node::bootstrap::run ::nano::node::bootstrap
	}

	if {$config(-realtime)} {
		coroutine ::nano::node::realtime::run ::nano::node::realtime
	}

	if {$config(-wait)} {
		vwait ::nano::node::_FOREVER_
	}
}

# RPC Client
## Side-effect: Sets ::nano::rpc::client::config
proc ::nano::rpc::client::init args {
	if {![info exists ::nano::rpc::client::config]} {
		set ::nano::rpc::client::config [dict create \