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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::p2p {}
namespace eval ::nano::node::realtime {}
namespace eval ::nano::network::client {}
namespace eval ::nano::network::server {}
namespace eval ::nano::network::_dns {}
# Constants
set ::nano::block::stateBlockPreamble [binary decode hex "0000000000000000000000000000000000000000000000000000000000000006"]
set ::nano::block::zero "0000000000000000000000000000000000000000000000000000000000000000"
set ::nano::address::zero $::nano::block::zero
set ::nano::address::base32alphabet {13456789abcdefghijkmnopqrstuwxyz}
set ::nano::network::messageTypes {
"invalid"
"not_a_type"
"keepalive"
"publish"
"confirm_req"
"confirm_ack"
"bulk_pull"
"bulk_push"
"frontier_req"
"bulk_pull_blocks"
"node_id_handshake"
"bulk_pull_account"
}
set ::nano::balance::_conversion {
GNano 1000000000000000000000000000000000000000
MNano 1000000000000000000000000000000000000
Gnano 1000000000000000000000000000000000
Gxrb 1000000000000000000000000000000000
KNano 1000000000000000000000000000000000
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proc ::nano::account::receive {account blockHash signKey} {
set accountPubKey [::nano::address::toPublicKey $account -hex]
set frontierInfo [getFrontier $account]
dict with frontierInfo {}
set blockInfo [getPending $account $blockHash]
if {![info exists representative]} {
set representative $account
}
set amount [dict get $blockInfo amount]
set blockArgs [list to $account previousBalance $balance \
amount $amount sourceBlock $blockHash \
signKey $signKey representative $representative]
if {[info exists frontierHash]} {
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"port" 7076 \
]
catch {
set basis_node [dict create]
set basis_node [dict get $basis "node"]
}
set default_node [dict create]
set default_node [dict create \
"client_id" [binary encode hex [::nano::internal::randomBytes 32]]
]
catch {
set basis_node_database [dict create]
set basis_node_database [dict get $basis "node" "database"]
}
set default_node_database [dict create \
"backend" "lmdb" \
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}
return [binary format a32a32 \
$accountPubKey \
$end \
]
}
proc ::nano::network::client::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 0
foreach flagName $flags {
unset -nocomplain flagValue
switch -- $flagName {
"pendingAddressOnly" {
set flagValue 1
}
default {
if {[string is integer -strict $flagName]} {
set flagValue $flagName
} else {
return -code error "Invalid flag: $flagName"
}
}
}
set flagsInt [expr {$flagsInt | $flagValue}]
}
return [binary format a32H32c \
$accountPubKey \
$minPendingHex \
$flagsInt \
]
}
proc ::nano::network::client::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 $frontierBalance]
set frontierBalance 0x$frontierBalance
set frontierBalance [expr {$frontierBalance}]
set fullPendingInfo true
if {[lsearch -exact $flags "pendingAddressOnly"] != -1} {
# XXX:TODO: We support numeric flags in the generation
# side but not here, should we ?
set fullPendingInfo false
}
set pendingInfo [list]
while true {
if {$fullPendingInfo} {
set pendingBlockhash [binary encode hex [::nano::network::_recv $sock 32]]
set pendingAmount [binary encode hex [::nano::network::_recv $sock 16]]
if {$pendingBlockhash eq $::nano::block::zero} {
break
}
set pendingBlockhash [string toupper $pendingBlockhash]
set pendingAmount 0x$pendingAmount
set pendingAmount [expr {$pendingAmount}]
lappend pendingInfo [dict create \
blockhash $pendingBlockhash \
amount $pendingAmount \
]
} else {
set pendingFrom [binary encode hex [::nano::network::_recv $sock 32]]
if {$pendingFrom eq $::nano::address::zero} {
break
}
set pendingFrom [::nano::address::fromPublicKey $pendingFrom]
lappend pendingInfo [dict create \
from $pendingFrom \
]
}
}
set retval [dict create \
frontier \
[dict create \
blockhash $frontierBlockhash \
balance $frontierBalance \
] \
pending $pendingInfo \
]
return $retval
}
proc ::nano::network::client::frontier_req {{startAccount ""} {age ""} {count ""}} {
if {$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]
}
proc ::nano::network::client::keepalive {} {
# Encode our local IP address in the packet
set localIPs [list]
foreach ipVersion {v4 v6} {
## XXX:TODO: Work out a better system for determining ones own IP
switch -exact -- $ipVersion {
v4 {
if {![info exists ::nano::network::client::localIP(v4)]} {
set ::nano::network::client::localIP(v4) [exec curl -sS http://ipv4.rkeene.org/whatismyip]
}
set localIP "::ffff:${::nano::network::client::localIP(v4)}"
}
v6 {
if {![info exists ::nano::network::client::localIP(v6)]} {
set ::nano::network::client::localIP(v6) [exec curl -sS http://ipv6.rkeene.org/whatismyip]
}
set localIP $::nano::network::client::localIP(v6)
}
}
proc ::nano::network::client::node_id_handshake {nodeID} {
set nodeID [binary decode hex $nodeID]
return $nodeID
}
proc ::nano::network::_localIP {version} {
if {[info exists ::nano::network::_localIP($version)]} {
return $::nano::network::_localIP($version)
}
## XXX:TODO: Work out a better system for determining ones own IP
switch -exact -- $version {
v4 {
set url "http://ipv4.rkeene.org/whatismyip"
set localIPPrefix "::ffff:"
}
v6 {
set url "http://ipv6.rkeene.org/whatismyip"
set localIPPrefix ""
}
}
set localIP [exec curl -sS $url]
if {$localIP eq ""} {
return -code error "Unable to lookup local IP $version"
}
set localIP [string trim $localIP]
set localIP "${localIPPrefix}${localIP}"
set ::nano::network::_localIP($version) $localIP
return $::nano::network::_localIP($version)
}
proc ::nano::network::client::keepalive {} {
# Encode our local IP address in the packet
set localIPs [list]
foreach ipVersion {v4 v6} {
unset -nocomplain localIP
catch {
set localIP [::nano::network::_localIP $ipVersion]
}
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"]
set localPort [binary format s $localPort]
|
| ︙ | | |
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]
append message [::nano::network::client::${messageType} {*}$args]
::nano::node::log "Sending message [binary encode hex $message] to socket $sock"
catch {
if {[dict get $sock "type"] eq "p2p"} {
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 response ""
if {[info command $responseCommand] ne ""} {
set response [$responseCommand $sock {*}$args]
}
return ""
return $response
}
proc ::nano::node::bootstrap::peer {peer peerPort} {
::nano::node::log "Connecting to ${peer}:${peerPort}"
catch {
set sock [::nano::network::_connect $peer $peerPort]
} err
if {![info exists sock]} {
::nano::node::log "Failed to connect to ${peer} ${peerPort}: $::errorInfo"
return
}
defer::defer close $sock
::nano::node::log "Connected to $peer:$peerPort ;; sock = $sock"
::nano::network::client $sock "frontier_req"
while true {
set account [::nano::address::fromPublicKey [::nano::network::_recv $sock 32]]
set frontier [::nano::network::_recv $sock 32]
puts "$account - [binary encode hex $frontier]"
}
# XXX:TODO: Pull in some stuff
if {$::nano::node::bootstrap::frontier_req_running} {
while true {
if {[llength $::nano::node::bootstrap::frontiers_to_pull] == 0} {
if {!$::nano::node::bootstrap::frontier_req_running} {
break
}
::nano::node::_sleep 100 0
continue
}
# XXX:TODO: When that stuff is pulled, add it to the ledger
return
::nano::network::client $sock "bulk_pull" "xrb_3h57qc7u84uz96ox3suo6wz5hz17oi7e6bpgeg3sdkayn31ujxedkjp6i1kp"
::nano::network::client $sock "bulk_pull" $account
if {[catch {
set result [::nano::network::_recv $sock 8]
puts "result=[binary encode hex $result]"
exit 0
} err]} {
::nano::node::log "Error: $err"
}
|
| ︙ | | |
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|
} else {
return 1
}
}} $salt] $list
}
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]
::nano::node::log "Have [llength $peerInfoList] peers"
foreach peerInfo $peerInfoList {
set peer [dict get $peerInfo "address"]
set peerPort [dict get $peerInfo "port"]
dict set ::nano::node::configuration node bootstrap_connections 1
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| ︙ | | |
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|
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+
+
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+
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|
chan event $sock writable ""
chan event $sock readable ""
return $sock
}
::nano::node::log "Waiting in the event loop for socket $sock to become readable"
::nano::node::log "Waiting in the event loop for socket $sock to become writable"
yield
chan event $sock writable ""
chan event $sock readable ""
if {[eof $sock] || (![chan configure $sock -connecting] && [chan configure $sock -error] ne "") || [chan configure $sock -connecting]} {
close $sock
return -code error "EOF from socket"
}
}
chan configure $sock -blocking false -translation binary -encoding binary
return $sock
}
proc ::nano::network::_recv {sock bytes} {
if {[info coroutine] ne ""} {
chan event $sock readable [info coroutine]
} else {
chan configure $sock -blocking true
}
set retBuffer ""
while {$bytes > 0} {
if {[info coroutine] ne ""} {
yield
}
set buffer [read $sock $bytes]
set bufferLen [string length $buffer]
if {$bufferLen == 0} {
set chanError [chan configure $sock -error]
if {$chanError ne ""} {
return -code error "Short read on socket $sock ($bytes bytes remaining): $chanError"
}
if {[chan eof $sock]} {
return -code error "Short read on socket $sock ($bytes bytes remaining): EOF"
}
continue
}
incr bytes -$bufferLen
append retBuffer $buffer
}
chan event $sock readable ""
return $retBuffer
}
proc ::nano::node::_sleep {ms} {
::nano::node::log "Sleeping for $ms ms"
proc ::nano::node::_sleep {ms {verbose 1}} {
if {$verbose} {
::nano::node::log "Sleeping for $ms ms"
}
after $ms [info coroutine]
yield
}
proc ::nano::network::getPeers {} {
if {[info exists ::nano::node::configuration]} {
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proc ::nano::network::server::publish {blockData} {
#puts "block: [binary encode hex $blockData]"
#9e1272edade3c247c738a4bd303eb0cfc3da298444bb9d13b8ffbced34ff036f4e1ff833324efc81c237776242928ef76a2cdfaa53f4c4530ee39bfff1977e26e382dd09ec8cafc2427cf817e9afe1f372ce81085ab4feb1f3de1f25ee818e5d000000008fc492fd20e57d048e000000204e7a62f25df739eaa224d403cb107b3f9caa0280113b0328fad3b402c465169006f988549a8b1e20e0a09b4b4dcae5397f6fcc4d507675f58c2b29ae02341b0a4fe562201a61bf27481aa4567c287136b4fd26b4840c93c42c7d1f5c518503d68ec561af4b8cf8
#9e1272edade3c247c738a4bd303eb0cfc3da298444bb9d13b8ffbced34ff036fa5e3647d3d296ec72baea013ba7fa1bf5c3357c33c90196f078ba091295e6e03e382dd09ec8cafc2427cf817e9afe1f372ce81085ab4feb1f3de1f25ee818e5d000000008fb2604ebd1fe098b8000000204e7a62f25df739eaa224d403cb107b3f9caa0280113b0328fad3b402c465165287cd9c61752dc9d011f666534dbdc10461e927503f9599791d73b1cca7fdc032d76db3f91e5b5c3d6206fa48b01bd08da4a89f2e880242e9917cfc3db80d0b9bfe8e6d1dd183d5
}
proc ::nano::network::server {message {networkType "bootstrap"}} {
set message [binary scan $message a2ccccsa* \
set messageParsed [binary scan $message a2ccccsa* \
packetMagic \
versionMax \
versionUsing \
versionMin \
messageTypeID \
extensions \
args
]
if {$packetMagic ne "RC"} {
return ""
}
# XXX:TODO: Check versions and extensions
set messageType [lindex $::nano::network::messageTypes $messageTypeID]
puts "*** Incoming: $messageType ($messageTypeID on $networkType) [binary encode hex $message]"
set retval ""
if {[catch {
set retval [::nano::node::server::${messageType} $args]
} err]} {
if {![string match "invalid command name *" $err]} {
::nano::node::log "Error handling ${messageType}: $err"
}
}
return $retval
}
proc ::nano::node::p2p::incoming {socket} {
proc ::nano::node::realtime::incoming {socket} {
set data [read $socket 8192]
if {$data eq ""} {
return
}
set remote [chan configure $socket -peer]
set response [::nano::network::server $data "p2p"]
set response [::nano::network::server $data "realtime"]
if {$response eq ""} {
return
}
# XXX:TODO: Send response
set peerSock [list type "p2p" remote $remote socket $socket]
set peerSock [list type "realtime" remote $remote socket $socket]
#::nano::network::client $peerSock ...
return
}
proc ::nano::node::p2p {} {
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]
# Start a UDP listening socket
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::p2p::incoming $protocolSocket]
chan event $protocolSocket readable [list ::nano::node::realtime::incoming $protocolSocket]
}
# Periodically send keepalives to all known peers
## XXX:TODO: Limit this to only a few peers
while true {
foreach peerInfo [::nano::network::getPeers] {
set peerAddress [dict get $peerInfo "address"]
set peerPort [dict get $peerInfo "port"]
set protocolVersion "v[::ip::version $peerAddress]"
set peerSock [list type "p2p" remote [list $peerAddress $peerPort] socket $socket(${protocolVersion})]
set peerSock [list type "realtime" remote [list $peerAddress $peerPort] socket $socket(${protocolVersion})]
::nano::network::client $peerSock "node_id_handshake" $clientID
::nano::network::client $peerSock "keepalive"
}
::nano::node::_sleep [expr {5 * 60 * 1000}]
::nano::node::_sleep [expr {1 * 60 * 1000}]
}
}
proc ::nano::node::start {} {
package require defer
package require ip
package require udp
package require dns
coroutine ::nano::node::bootstrap::run ::nano::node::bootstrap
coroutine ::nano::node::p2p::run ::nano::node::p2p
coroutine ::nano::node::realtime::run ::nano::node::realtime
vwait ::nano::node::_FOREVER_
}
# RPC Client
## Side-effect: Sets ::nano::rpc::client::config
proc ::nano::rpc::client::init args {
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