set basis_node [dict get $basis "node"]
	}
	set default_node [dict create \
		"client_id_private_key"     [::nano::key::newKey] \
		"bootstrap_connections" "4" \
	]

	# Configure based on network
	# XXX:TODO: Consider network
	dict set default_node "peering_port" "7075"
	dict set default_node "preconfigured_peers" [list "rai.raiblocks.net"]
	switch -- $network {
		"main" {
			dict set default_node "peering_port" "7075"
			dict set default_node "preconfigured_peers" [list "rai.raiblocks.net"]
		}
		"beta" {
			dict set default_node "peering_port" "54000"
			dict set default_node "preconfigured_peers" [list "rai-beta.raiblocks.net"]
		}
	}

	catch {
		set basis_node_database [dict create]
		set basis_node_database [dict get $basis "node" "database"]
	}
	set default_node_database [dict create \
		"backend"        "lmdb" \

	}

	set configuration [::json::json2dict $json]

	set configuration [_defaultConfig $configuration $network]

	set ::nano::node::configuration $configuration

	dict set ::nano::node::configuration network $network

	return $::nano::node::configuration
}

proc ::nano::node::_saveConfigFile {file args} {
	if {[llength $args] == 0} {
		set configDict $::nano::node::configuration

}

proc ::nano::node::configure {network args} {
	package require ip
	package require dns

	# Set default options
	## XXX:TODO: Handle other networks
	if {$network ne "main"} {
		return -code error "Only main network is supported right now"
	}
	set info(-configDirectory) [file normalize ~/RaiBlocks]
	switch -- $network {
		"main" {
			set info(-configDirectory) [file normalize ~/RaiBlocks]
		}
		"beta" {
			set info(-configDirectory) [file normalize ~/RaiBlocksBeta]
		}
		default {
			return -code error "Only main, and beta networks are supported right now"
		}
	}

	# Parse options to the configure
	array set info $args

	# Load configuration file
	set configFile [file join $info(-configDirectory) "config.json"]

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

		append data $argInfo(-query)
	}

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

	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]
	set blockHash [::nano::block::dict::toHash $blockDict -hex]

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

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

	return [array get retval]
}

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

	} else {
		set retval(valid) true
	}

	return [array get retval]
}

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

	switch -- $network {
		"main" {
			set packetMagic "RC"
		}
		"beta" {
			set packetMagic "RB"
		}
	}

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

	append message $messageInfo(data)

	return $message
}


proc ::nano::network::client {sock messageType args} {
	set configuredNetwork [dict get $::nano::node::configuration network]

	set message [::nano::protocol::create $messageType {*}$args]
	set message [::nano::protocol::create $configuredNetwork $messageType {*}$args]

	::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"]

		return ""
	}

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

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

	dict with messageData {}

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

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

	set configuredNetwork [dict get $::nano::node::configuration network]
	if {$network ne $configuredNetwork} {
		return ""
	}

	dict set messageDict socket $peerSock

	set retval [dict create]
	if {[catch {
		set retval [::nano::network::server::${messageType} $messageDict]
	} err]} {

	# Start listening
	::nano::node::socket realtime "" ""

	# Periodically send keepalives to all known peers
	while true {
		set allPeers [::nano::node::getPeers]
		set peers [lrange $allPeers 0 15]

		# XXX:TODO: Make this a configuration option
		set superPeer true

		if {$superPeer} {
			set contactPeers $allPeers
		} else {
		set peerNotifyCount [expr {int(sqrt([llength $allPeers]))}]
		if {$peerNotifyCount < 16} {
			set peerNotifyCount 16
		}
		if {$peerNotifyCount > 128} {
			set peerNotifyCount 128
		}
			set peerNotifyCount [expr {int(sqrt([llength $allPeers]))}]
			if {$peerNotifyCount < 16} {
				set peerNotifyCount 16
			}
			if {$peerNotifyCount > 128} {
				set peerNotifyCount 128
			}

		foreach peerInfo [lrange $allPeers 0 $peerNotifyCount] {
			set contactPeers [lrange $allPeers 0 $peerNotifyCount]
		}

		foreach peerInfo $contactPeers {
			set peerAddress [dict get $peerInfo "address"]
			set peerPort [dict get $peerInfo "port"]

			set peerSock [::nano::node::socket realtime $peerAddress $peerPort]

			set node_id_nonce [::nano::internal::randomBytes 32]

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

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

proc ::nano::node::start args {