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#! /usr/bin/env tclsh
package require json
package require json::write
namespace eval ::nano {}
namespace eval ::nano::address {}
namespace eval ::nano::key {}
namespace eval ::nano::block {}
namespace eval ::nano::block::json {}
namespace eval ::nano::block::dict {}
namespace eval ::nano::block::create {}
namespace eval ::nano::work {}
namespace eval ::nano::account {}
# Constants
set ::nano::block::stateBlockPreamble [binary decode hex "0000000000000000000000000000000000000000000000000000000000000006"]
set ::nano::address::base32alphabet {13456789abcdefghijkmnopqrstuwxyz}
# Address management functions
proc ::nano::address::toPublicKey {address args} {
set performChecksumCheck false
set outputFormat "bytes"
foreach arg $args {
switch -exact -- $arg {
"-verify" {
set performChecksumCheck true
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set result $resultBinary
}
return $result
}
proc ::nano::address::fromPublicKey {pubKey args} {
proc ::nano::address::fromPublicKey {publicKey args} {
set addressPrefix "nano_"
foreach arg $args {
switch -exact -- $arg {
"-xrb" {
set addressPrefix "xrb_"
}
"-nano" {
set addressPrefix "nano_"
}
"-hex" {
set inputFormat "hex"
}
"-binary" {
set inputFormat "bytes"
}
if {![info exists inputFormat]} {
if {[string length $pubKey] == $::nano::key::publicKeyLength} {
set inputFormat "bytes"
} else {
set inputFormat "hex"
}
}
if {$inputFormat eq "hex"} {
set pubKey [binary decode hex $pubKey]
if {[string length $pubKey] != $::nano::key::publicKeyLength} {
return -code error "Invalid key (length)"
}
set pubKey [binary encode hex $pubKey]
set pubKey [expr "0x$pubKey"]
set publicKey [binary encode hex $publicKey]
set publicKey [expr "0x$publicKey"]
set alphabet [split $::nano::address::base32alphabet ""]
set address ""
for {set index 0} {$index < 60} {incr index} {
set fiveBits [expr {$pubKey & 0x1F}]
set pubKey [expr {$pubKey >> 5}]
set fiveBits [expr {$publicKey & 0x1F}]
set publicKey [expr {$publicKey >> 5}]
set byte [lindex $alphabet $fiveBits]
append address $byte
}
set address [string reverse $address]
set address "${addressPrefix}${address}"
return $address
}
proc ::nano::address::fromPrivateKey {key args} {
set pubKey [::nano::key::publicKeyFromPrivateKey $key]
proc ::nano::address::fromPrivateKey {privateKey args} {
set pubKey [::nano::key::publicKeyFromPrivateKey $privateKey]
tailcall ::nano::address::fromPublicKey $pubKey {*}$args
}
# Key management functions
proc ::nano::key::generateNewSeed {} {
tailcall ::nano::internal::generateSeed
}
proc ::nano::key::generateNewKey {} {
tailcall ::nano::internal::generateKey
}
proc ::nano::key::computeKey {seed args} {
proc ::nano::key::newSeed {args} {
set outputFormat "bytes"
foreach arg $args {
switch -exact -- $arg {
"-hex" {
set outputFormat "hex"
}
"-binary" {
set outputFormat "bytes"
}
default {
return -code error "Invalid option: $arg"
}
}
}
set retval [::nano::internal::generateSeed]
if {$outputFormat eq "hex"} {
set retval [binary encode hex $retval]
}
return $retval
}
proc ::nano::key::newKey {args} {
set outputFormat "bytes"
foreach arg $args {
switch -exact -- $arg {
"-hex" {
set outputFormat "hex"
}
"-binary" {
set outputFormat "bytes"
}
default {
return -code error "Invalid option: $arg"
}
}
}
set retval [::nano::internal::generateKey]
if {$outputFormat eq "hex"} {
set retval [binary encode hex $retval]
}
return $retval
}
proc ::nano::key::fromSeed {seed args} {
set index 0
set outputFormat "bytes"
if {[llength $args] > 0} {
if {[string index [lindex $args 0] 0] ne "-"} {
set index [lindex $args 0]
set args [lrange $args 1 end]
}
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if {$outputFormat eq "hex"} {
set key [binary encode hex $key]
}
return $key
}
proc ::nano::key::publicKeyFromPrivateKey {key args} {
proc ::nano::key::publicKeyFromPrivateKey {privateKey args} {
set outputFormat "bytes"
foreach arg $args {
switch -- $arg {
"-hex" {
set outputFormat "hex"
}
"-binary" {
set outputFormat "bytes"
}
default {
return -code error "Invalid option: $arg"
}
}
}
if {[string length $key] != $::nano::key::privateKeyLength} {
set key [binary decode hex $key]
if {[string length $privateKey] != $::nano::key::privateKeyLength} {
set privateKey [binary decode hex $privateKey]
}
set pubKey [::nano::internal::publicKey $key]
set pubKey [::nano::internal::publicKey $privateKey]
if {$outputFormat eq "hex"} {
set pubKey [string toupper [binary encode hex $pubKey]]
}
return $pubKey
}
# Low-level block management
proc ::nano::block::fromJSON {json} {
array set block [json::json2dict $json]
proc ::nano::block::dict::toBlock {blockDict} {
array set block $blockDict
switch -- $block(type) {
"state" {
# XXX:TODO: Find the source of this
append blockData [binary decode hex "0000000000000000000000000000000000000000000000000000000000000006"]
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return -code error "Invalid block type $block(type)"
}
}
return $blockData
}
proc ::nano::block::signBlockHash {blockHash key args} {
set outputFormat "bytes"
foreach arg $args {
switch -exact -- $arg {
"-hex" {
set outputFormat "hex"
}
"-binary" {
set outputFormat "bytes"
}
}
}
if {[string length $blockHash] != $::nano::block::hashLength} {
set blockHash [binary decode hex $blockHash]
}
if {[string length $key] != $::nano::key::privateKeyLength} {
set key [binary decode hex $key]
}
set signature [::nano::internal::signDetached $blockHash $key]
if {$outputFormat eq "hex"} {
set signature [string toupper [binary encode hex $signature]]
}
return $signature
}
signBlock {blockData args} {
set blockHash [::nano::block::hash $blockData]
tailcall ::nano::block::signBlockHash $blockHash {*}$args
}
proc ::nano::block::signBlockJSON {blockJSON args} {
set blockData [::nano::block::fromJSON $blockJSON]
signBlock $blockData {*}$args
proc ::nano::block::verifyBlockHash {blockHash signature pubKey} {
if {[string length $blockHash] != $::nano::block::hashLength} {
set blockHash [binary decode hex $blockHash]
}
if {[string length $signature] != $::nano::block::signatureLength} {
set signature [binary decode hex $signature]
}
if {[string length $pubKey] != $::nano::key::publicKeyLength} {
set key [binary decode hex $pubKey]
}
set valid [::nano::internal::verifyDetached $blockHash $signature $pubKey]
return $valid
}
verifyBlock {blockData args} {
set blockHash [::nano::block::hash $blockData]
tailcall ::nano::block::verifyBlockHash $blockHash {*}$args
proc ::nano::block::verifyBlockJSON {blockJSON args} {
set blockData [::nano::block::fromJSON $blockJSON]
tailcall ::nano::block::verifyBlock $blockData {*}$args
}
_dictToJSON {blockDict} {
if {[info exists block(signKey)] && ([info exists block(_blockData)] || [info exists block(_blockHash)])} {
if {![info exists block(_blockHash)]} {
set block(_blockHash) [binary encode hex [::nano::block::hash $block(_blockData)]]
}
set block(signature) [::nano::block::signBlockHash $block(_blockHash) $block(signKey) -hex]
}
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set blockJSONEntries [lmap field $blockJSONFields {
if {![info exists block($field)]} {
continue
}
switch -exact -- $field {
"source" - "previous" - "link" - "_blockHash" - "_workHash" {
if {[string length $block($field)] == $::nano::block::hashLength} {
set block($field) [binary encode hex $block($field)]
}
set block($field) [string toupper $block($field)]
}
"signature" {
if {[string length $block($field)] == $::nano::block::signatureLength} {
set block($field) [binary encode hex $block($field)]
}
}
set block($field) [string toupper $block($field)]
}
"work" {
if {[string length $block($field)] == $::nano::work::workValueLength} {
set block($field) [binary encode hex $block($field)]
}
set block($field) [string tolower $block($field)]
}
}
return -level 0 [list $field [json::write string $block($field)]]
}]
set blockJSONEntries [join $blockJSONEntries]
set blockJSON [json::write object {*}$blockJSONEntries]
return $blockJSON
}
proc ::nano::block::toDict {blockData args} {
proc ::nano::block::dict::fromBlock {blockData args} {
set block(type) ""
set addressPrefix "nano_"
foreach arg $args {
switch -glob -- $arg {
"-type=*" {
set block(type) [lindex [split $arg =] 1]
}
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set addArgs_fromPublicKey [list]
if {$addressPrefix eq "xrb_"} {
lappend addArgs_fromPublicKey "-xrb"
}
switch -- $block(type) {
"state" {
binary scan $blockData H64a32H64a32H32H64 \
binary scan $blockData a32a32H64a32H32H64 \
block(header) \
block(account) \
block(previous) \
block(representative) \
block(balance) \
block(link)
if {$block(header) ne "0000000000000000000000000000000000000000000000000000000000000006"} {
if {$block(header) ne $::nano::block::stateBlockPreamble} {
return -code error "Invalid block"
}
}
"open" {
binary scan $blockData H64a32a32 \
block(source) \
block(representative) \
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}
set block(_blockData) $blockData
return [array get block]
}
proc ::nano::block::toJSON {blockData args} {
set blockDict [::nano::block::toDict $blockData {*}$args]
proc ::nano::block::json::fromBlock {blockData args} {
set blockDict [::nano::block::dict::fromBlock $blockData {*}$args]
set blockJSON [_dictToJSON $blockDict]
set blockJSON [::nano::block::json::fromDict $blockDict]
return $blockJSON
}
proc ::nano::block::hash {blockData args} {
set outputFormat "bytes"
foreach arg $args {
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if {$outputFormat eq "hex"} {
set hash [string toupper [binary encode hex $hash]]
}
return $hash
}
proc ::nano::block::signBlockHash {blockHash privateKey args} {
set outputFormat "bytes"
foreach arg $args {
switch -exact -- $arg {
"-hex" {
set outputFormat "hex"
}
"-binary" {
set outputFormat "bytes"
}
default {
return -code error "Invalid option: $arg"
}
}
}
if {[string length $blockHash] != $::nano::block::hashLength} {
set blockHash [binary decode hex $blockHash]
}
if {[string length $privateKey] != $::nano::key::privateKeyLength} {
set privateKey [binary decode hex $privateKey]
}
set signature [::nano::internal::signDetached $blockHash $privateKey]
if {$outputFormat eq "hex"} {
set signature [string toupper [binary encode hex $signature]]
}
return $signature
}
proc ::nano::block::jsonFromDict {blockDict} {
set blockJSON [::nano::block::_dictToJSON $blockDict]
set block [::nano::block::fromJSON $blockJSON]
set blockHash [::nano::block::hash $block]
proc ::nano::block::sign {blockData args} {
set blockHash [::nano::block::hash $blockData]
tailcall ::nano::block::signBlockHash $blockHash {*}$args
}
proc ::nano::block::verifyBlockHash {blockHash signature publicKey} {
if {[string length $blockHash] != $::nano::block::hashLength} {
set blockHash [binary decode hex $blockHash]
}
if {[string length $signature] != $::nano::block::signatureLength} {
set signature [binary decode hex $signature]
}
if {[string length $publicKey] != $::nano::key::publicKeyLength} {
set publicKey [binary decode hex $publicKey]
}
set valid [::nano::internal::verifyDetached $blockHash $signature $publicKey]
return $valid
}
proc ::nano::block::verifyBlock {blockData args} {
set blockHash [::nano::block::hash $blockData]
tailcall ::nano::block::verifyBlockHash $blockHash {*}$args
}
proc ::nano::block::dict::_addBlockData {blockDict} {
if {[dict exists $blockDict _blockData]} {
return $blockDict
}
set blockData [::nano::block::dict::toBlock $blockDict]
dict set blockDict _blockData $blockData
return $blockDict
}
proc ::nano::block::dict::_addBlockHash {blockDict} {
if {[dict exists $blockDict _blockHash]} {
return $blockDict
}
set blockDict [_addBlockData $blockDict]
set blockData [dict get $blockDict _blockData]
set blockHash [::nano::block::hash $blockData -binary]
dict set blockDict _blockHash $blockHash
return $blockDict
}
proc ::nano::block::dict::sign {blockDict privateKey args} {
set outputMode "signature"
set outputFormat "bytes"
foreach arg $args {
switch -- $arg {
"-update" {
set outputMode "update"
}
"-signature" {
set outputMode "signature"
}
"-hex" {
set outputFormat "hex"
}
"-binary" {
set outputFormat "bytes"
}
default {
return -code error "Invalid option: $arg"
}
}
}
set blockDict [_addBlockHash $blockDict]
set blockHash [dict get $blockDict _blockHash]
set signature [::nano::block::signBlockHash $blockHash $privateKey -binary]
if {$outputMode eq "signature"} {
if {$outputFormat eq "hex"} {
set signature [binary encode hex $signature]
}
return $signature
}
dict set blockDict signature $signature
return $blockDict
}
proc ::nano::block::json::sign {blockJSON privateKey args} {
set outputMode "signature"
foreach arg $args {
switch -- $arg {
"-update" {
set outputMode "update"
}
"-signature" {
set outputMode "signature"
}
"-hex" - "-binary" {}
default {
return -code error "Invalid option: $arg"
}
}
}
set blockDict [::nano::block::dict::fromJSON $blockJSON]
set retval [::nano::block::dict::sign $blockDict $privateKey {*}$args]
if {$outputMode eq "signature"} {
return $retval
}
set retval [::nano::block::json::fromDict $retval]
return $retval
}
proc ::nano::block::dict::verifySignature {blockDict} {
set publicKey [::nano::address::toPublicKey [dict get $blockDict account]]
set signature [dict get $blockDict signature]
set blockDict [_addBlockHash $blockDict]
set blockHash [dict get $blockDict _blockHash]
tailcall ::nano::block::verifyBlockHash $blockHash $signature $publicKey
}
proc ::nano::block::json::verifySignature {blockJSON} {
set blockDict [::nano::block::dict::fromJSON $blockJSON]
tailcall ::nano::block::dict::verifySignature $blockDict
}
proc ::nano::block::dict::work {blockDict args} {
set outputMode "work"
foreach arg $args {
switch -- $arg {
"-update" {
set outputMode "update"
}
"-work" {
set outputMode "work"
}
"-hex" {
set outputFormat "hex"
}
"-binary" {
set outputFormat "bytes"
}
default {
return -code error "Invalid option: $arg"
}
}
}
set blockDict [_addBlockHash $blockDict]
set blockHash [dict get $blockDict _blockHash]
set work [::nano::work::fromBlockHash $blockHash -binary]
if {$outputMode eq "work"} {
if {$outputFormat eq "hex"} {
set work [binary encode hex $work]
}
return $work
}
dict set blockDict "_blockHash" [binary encode hex $blockHash]
dict set blockDict work $work
return $blockDict
}
set blockJSON [::nano::block::_dictToJSON $blockDict]
return $blockJSON
|
| ︙ | | |
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+
+
-
+
+
+
-
+
+
|
"balance" $block(balance) \
"link_as_account" $block(to) \
"_workHash" $block(previous) \
"_comment" "Send $block(amount) raw from $block(from) to $block(to)" \
]
if {[info exists block(signKey)]} {
set blockDict [::nano::block::dict::sign $blockDict $block(signKey) -update]
}
dict set blockDict signKey $block(signKey)
tailcall ::nano::block::jsonFromDict $blockDict
return $blockDict
}
# Usage:
# receive to <account> previousBalance <balance> amount <amount>
# sourceBlock <sourceBlockHash> ?previous <previousBlockHash>?
# ?representative <representative>?
proc ::nano::block::create::receive {args} {
array set block $args
if {![info exists block(representative)]} {
set block(representative) $block(to)
}
if {![info exists block(previous)]} {
set block(previous) "0000000000000000000000000000000000000000000000000000000000000000"
set block(previousBalance) 0
|
| ︙ | | |
591
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848
849
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|
+
+
-
+
+
+
-
+
|
"balance" $block(balance) \
"link" $block(sourceBlock) \
"_workHash" $block(_workHash) \
"_comment" "Receive $block(amount) raw on $block(to) from hash $block(sourceBlock)" \
]
if {[info exists block(signKey)]} {
set blockDict [::nano::block::dict::sign $blockDict $block(signKey) -update]
}
dict set blockDict signKey $block(signKey)
tailcall ::nano::block::jsonFromDict $blockDict
return $blockDict
}
# Usage:
# setRepresentative account <account> previous <previousBlockHash>
# representative <newRepresentative> balance <balance>
proc ::nano::block::create::setRepresentative {args} {
array set block $args
|
| ︙ | | |
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|
+
+
+
+
+
-
-
+
+
+
+
+
+
-
-
-
+
+
+
-
+
+
-
-
+
+
-
-
-
+
-
-
-
-
-
+
-
-
-
-
-
+
+
+
-
+
-
+
-
+
|
"_workHash" $block(previous) \
]
if {[info exists block(signKey)]} {
dict set blockDict signKey $block(signKey)
}
if {[info exists block(signKey)]} {
set blockDict [::nano::block::dict::sign $blockDict $block(signKey) -update]
}
if {[info exists block(-json)] && $block(-json)} {
tailcall ::nano::block::jsonFromDict $blockDict
}
return [::nano::block::json::fromDict $blockDict]
}
return $blockDict
}
# Work generation functions
proc ::nano::work::fromBlockhash {blockhash} {
if {[string length $blockhash] != 32} {
set blockhash [binary decode hex $blockhash]
proc ::nano::work::fromBlockHash {blockHash} {
if {[string length $blockHash] != $::nano::block::hashLength} {
set blockHash [binary decode hex $blockHash]
}
set work [binary encode hex [::nano::internal::generateWork $blockhash]]
set work [binary encode hex [::nano::internal::generateWork $blockHash]]
set work [string tolower $work]
return $work
}
proc ::nano::work::fromBlock {blockJSON} {
set blockDict [::json::json2dict $blockJSON]
proc ::nano::work::fromBlock {blockData} {
set blockHash [::nano::block::hash $blockData -binary]
set workhash [dict get $blockDict _workHash]
tailcall ::nano::work::fromBlockhash $workhash
}
proc ::nano::work::updateBlock {blockJSON} {
set blockDict [::json::json2dict $blockJSON]
set workhash [dict get $blockDict _workHash]
set work [::nano::work::fromBlockhash $workhash]
dict set blockDict work $work
tailcall ::nano::block::_dictToJSON $blockDict
proc ::nano::work::validate {blockhash work} {
if {[string length $blockhash] != 32} {
set blockhash [binary decode hex $blockhash]
proc ::nano::work::validate {blockHash work} {
if {[string length $blockHash] != $::nano::block::hashLength} {
set blockHash [binary decode hex $blockHash]
}
if {[string length $work] != 8} {
if {[string length $work] != $::nano::work::workValueLength} {
set work [binary decode hex $work]
}
tailcall ::nano::internal::validateWork $blockhash $work
tailcall ::nano::internal::validateWork $blockHash $work
}
# -- Tracked accounts --
# High level account management
proc ::nano::account::setFrontier {account frontierHash balance representative} {
set accountPubKey [::nano::address::toPublicKey $account -hex]
set ::nano::account::frontiers($accountPubKey) [dict create \
frontierHash $frontierHash balance $balance representative $representative \
]
}
|
| ︙ | | |
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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 [dict get $::nano::account::pending $accountPubKey $blockHash]
dict unset ::nano::account::pending $accountPubKey $blockHash
|
| ︙ | | |
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|
-
+
+
|
set block [::nano::block::create::send \
from $fromAccount \
to $toAccount \
previous $fromFrontierHash \
previousBalance $fromBalance \
amount $amount \
signKey $signKey
signKey $signKey \
-json true
]
set newBalance [expr {$fromBalance - $amount}]
set newFrontierHash [dict get [json::json2dict $block] "_blockHash"]
setFrontier $fromAccount $newFrontierHash $newBalance $fromRepresentative
addPending $toAccount $newFrontierHash $amount
|
| ︙ | | |