#! /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 {}
namespace eval ::nano::rpc {}
namespace eval ::nano::rpc::client {}
namespace eval ::nano::balance {}
# 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
}
"-no-verify" {
set performChecksumCheck false
}
"-hex" {
set outputFormat "hex"
}
"-binary" {
set outputFormat "bytes"
}
default {
return -code error "Invalid option: $arg"
}
}
}
switch -glob -- $address {
"xrb_*" - "nano_*" {}
default {
return -code error "Invalid address (format, header)"
}
}
set address [join [lrange [split $address _] 1 end] _]
set address [split $address ""]
if {[llength $address] != 60} {
return -code error "Invalid address (length)"
}
set alphabet [split $::nano::address::base32alphabet ""]
set result 0
foreach byte $address {
set fiveBits [lsearch -exact $alphabet $byte]
if {$fiveBits < 0} {
return -code error "Invalid address (format, alphabet)"
}
set result [expr {($result << 5) | $fiveBits}]
}
set checksum [expr {$result & 0xffffffffff}]
set result [expr {$result >> 40}]
set result [format %064llX $result]
if {$performChecksumCheck} {
set resultBinary [binary decode hex $result]
set checksumVerify [binary encode hex [string reverse [::nano::internal::hashData $resultBinary 5]]]
set checksumVerify [expr "0x$checksumVerify"]
if {$checksum != $checksumVerify} {
return -code error "Invalid address (checksum)"
}
}
if {$outputFormat eq "bytes"} {
if {![info exists resultBinary]} {
set resultBinary [binary decode hex $result]
}
set result $resultBinary
}
return $result
}
proc ::nano::address::fromPublicKey {publicKey args} {
set addressPrefix "nano_"
foreach arg $args {
switch -exact -- $arg {
"-xrb" {
set addressPrefix "xrb_"
}
"-nano" {
set addressPrefix "nano_"
}
default {
return -code error "Invalid option: $arg"
}
}
}
if {[string length $publicKey] != $::nano::key::publicKeyLength} {
set publicKey [binary decode hex $publicKey]
}
set checksum [string reverse [::nano::internal::hashData $publicKey 5]]
append publicKey $checksum
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 {$publicKey & 0x1F}]
set publicKey [expr {$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 {privateKey args} {
set pubKey [::nano::key::publicKeyFromPrivateKey $privateKey]
tailcall ::nano::address::fromPublicKey $pubKey {*}$args
}
# Key management functions
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]
}
foreach arg $args {
switch -exact -- $arg {
"-hex" {
set outputFormat "hex"
}
"-binary" {
set outputFormat "bytes"
}
default {
return -code error "Invalid option: $arg"
}
}
}
}
if {[string length $seed] != $::nano::key::seedLength} {
set seed [binary decode hex $seed]
}
set key [::nano::internal::generateKey $seed $index]
if {$outputFormat eq "hex"} {
set key [binary encode hex $key]
}
return $key
}
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 $privateKey] != $::nano::key::privateKeyLength} {
set privateKey [binary decode hex $privateKey]
}
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::dict::toBlock {blockDict} {
array set block $blockDict
switch -- $block(type) {
"state" {
append blockData $::nano::block::stateBlockPreamble
append blockData [::nano::address::toPublicKey $block(account)]
append blockData [binary decode hex $block(previous)]
append blockData [::nano::address::toPublicKey $block(representative)]
append blockData [binary decode hex [format %032llX $block(balance)]]
if {![info exists block(link)] && [info exists block(link_as_account)]} {
append blockData [::nano::address::toPublicKey $block(link_as_account)]
} else {
append blockData [binary decode hex $block(link)]
}
}
"open" {
append blockData [binary decode hex $block(source)]
append blockData [::nano::address::toPublicKey $block(representative)]
append blockData [::nano::address::toPublicKey $block(account)]
}
"send" {
append blockData [binary decode hex $block(previous)]
append blockData [::nano::address::toPublicKey $block(destination)]
append blockData [binary decode hex [format %032llX $block(balance)]]
}
"receive" {
append blockData [binary decode hex $block(previous)]
append blockData [binary decode hex $block(source)]
}
"change" {
append blockData [binary decode hex $block(previous)]
append blockData [::nano::address::toPublicKey $block(representative)]
}
default {
return -code error "Invalid block type $block(type)"
}
}
return $blockData
}
proc ::nano::block::json::toBlock {blockJSON} {
set blockDict [::nano::block::dict::fromJSON $blockJSON]
tailcall ::nano::block::dict::toBlock $blockDict
}
proc ::nano::block::dict::fromJSON {blockJSON} {
set retval [::json::json2dict $blockJSON]
if {[dict get $retval "type"] eq "send"} {
set balance [dict get $retval "balance"]
set balance [format %lli "0x$balance"]
dict set retval "balance" $balance
}
# Parse out the work data
if {[dict get $retval "type"] in {send receive change state}} {
set workDataBasedOn "previous"
}
if {[dict get $retval "type"] eq "state" && [dict get $retval "previous"] eq "0000000000000000000000000000000000000000000000000000000000000000" && [dict get $retval "link"] eq "0000000000000000000000000000000000000000000000000000000000000000"} {
set workDataBasedOn "account"
}
if {[dict get $retval "type"] eq "open"} {
set workDataBasedOn "account"
}
if {[info exists workDataBasedOn]} {
if {$workDataBasedOn eq "previous"} {
dict set retval "_workData" [dict get $retval "previous"]
} else {
dict set retval "_workData" [::nano::address::toPublicKey [dict get $retval "account"]]
}
}
return $retval
}
proc ::nano::block::json::fromDict {blockDict} {
array set block $blockDict
if {$block(type) eq "state"} {
if {![info exists block(link)]} {
set block(link) [::nano::address::toPublicKey $block(link_as_account) -hex]
}
if {![info exists block(link_as_address)]} {
set addressFormatFlag "-nano"
foreach field {account destination representative} {
if {![info exists block($field)]} {
continue
}
if {[string match "nano_*" $block($field)]} {
set addressFormatFlag "-nano"
} else {
set addressFormatFlag "-xrb"
}
break
}
set block(link_as_account) [::nano::address::fromPublicKey $block(link) $addressFormatFlag]
}
}
set blockJSONFields {
type account source destination previous representative balance
link link_as_account _blockHash _workData work signature _comment
}
set blockJSONEntries [lmap field $blockJSONFields {
if {![info exists block($field)]} {
continue
}
switch -exact -- $field {
"source" - "previous" - "link" - "_blockHash" - "_workData" {
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)]
}
"balance" {
if {$block(type) in {send receive change open}} {
set balanceFormatStr %032llx
} else {
set balanceFormatStr %lli
}
set block($field) [string toupper [format $balanceFormatStr "$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::dict::fromBlock {blockData args} {
set block(type) ""
set addressPrefix "nano_"
foreach arg $args {
switch -glob -- $arg {
"-type=*" {
set block(type) [lindex [split $arg =] 1]
}
"-signKey=*" {
set block(signKey) [string range $arg 9 end]
}
"-xrb" {
set addressPrefix "xrb_"
}
"-nano" {
set addressPrefix "nano_"
}
default {
}
}
}
if {$block(type) eq ""} {
switch -- [string length $blockData] {
176 { set block(type) state }
96 { set block(type) open }
80 { set block(type) send }
default {
return -code error "Unable to parse block, must specify type"
}
}
}
set addArgs_fromPublicKey [list]
if {$addressPrefix eq "xrb_"} {
lappend addArgs_fromPublicKey "-xrb"
}
switch -- $block(type) {
"state" {
binary scan $blockData a32a32H64a32H32H64 \
block(header) \
block(account) \
block(previous) \
block(representative) \
block(balance) \
block(link)
if {$block(header) ne $::nano::block::stateBlockPreamble} {
return -code error "Invalid block"
}
}
"open" {
binary scan $blockData H64a32a32 \
block(source) \
block(representative) \
block(account)
set block(_workData) $block(account)
}
"send" {
binary scan $blockData H64a32H32 \
block(previous) \
block(destination) \
block(balance)
set block(_workData) $block(previous)
}
"receive" {
binary scan $blockData H64H64 \
block(previous) \
block(source)
set block(_workData) $block(previous)
}
"change" {
binary scan $blockData H64a32 \
block(previous) \
block(representative)
set block(_workData) $block(previous)
}
default {
return -code error "Invalid block type: $block(type)"
}
}
foreach field {account representative link_as_account destination balance} {
if {![info exists block($field)]} {
continue
}
switch -exact -- $field {
"account" - "representative" - "link_as_account" - "destination" {
set block($field) [::nano::address::fromPublicKey $block($field) {*}$addArgs_fromPublicKey]
}
"balance" {
set block($field) [format %lli "0x$block($field)"]
}
}
}
set block(_blockData) $blockData
return [array get block]
}
proc ::nano::block::json::fromBlock {blockData args} {
set blockDict [::nano::block::dict::fromBlock $blockData {*}$args]
set blockJSON [::nano::block::json::fromDict $blockDict]
return $blockJSON
}
proc ::nano::block::hash {blockData 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 hash [::nano::internal::hashData $blockData $::nano::block::hashLength]
if {$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::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 _workData]
set work [::nano::work::fromWorkData $blockHash -binary]
if {$outputMode eq "work"} {
if {$outputFormat eq "hex"} {
set work [binary encode hex $work]
}
return $work
}
dict set blockDict work $work
return $blockDict
}
proc ::nano::block::json::work {blockJSON args} {
set outputMode "work"
foreach arg $args {
switch -- $arg {
"-update" {
set outputMode "update"
}
"-work" {
set outputMode "work"
}
"-hex" - "-binary" {}
default {
return -code error "Invalid option: $arg"
}
}
}
set blockDict [::nano::block::dict::fromJSON $blockJSON]
set retval [::nano::block::dict::work $blockDict {*}$args]
if {$outputMode eq "work"} {
return $retval
}
set retval [::nano::block::json::fromDict $retval]
return $retval
}
proc ::nano::block::dict::validateWork {blockDict} {
set blockDict [_addBlockHash $blockDict]
set blockHash [dict get $blockDict _workData]
set work [dict get $blockDict work]
tailcall ::nano::work::validate $blockHash $work
}
proc ::nano::block::json::validateWork {blockJSON} {
set blockDict [::nano::block::dict::fromJSON $blockJSON]
tailcall ::nano::block::dict::validateWork $blockDict
}
# send from <account> to <account> previousBalance <balance>
# amount <amount> sourceBlock <sourceBlockHash>
# previous <previousBlockHash> ?representative <representative>?
proc ::nano::block::create::send {args} {
array set block $args
if {![info exists block(representative)]} {
set block(representative) $block(from)
}
set block(balance) [expr {$block(previousBalance) - $block(amount)}]
set blockDict [dict create \
"type" state \
"account" $block(from) \
"previous" $block(previous) \
"representative" $block(representative) \
"balance" $block(balance) \
"link_as_account" $block(to) \
"_workData" $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]
}
if {[info exists block(-json)] && $block(-json)} {
return [::nano::block::json::fromDict $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
set block(_workData) [::nano::address::toPublicKey $block(to) -hex]
} else {
set block(_workData) $block(previous)
}
set block(balance) [expr {$block(previousBalance) + $block(amount)}]
set blockDict [dict create \
"type" state \
"account" $block(to) \
"previous" $block(previous) \
"representative" $block(representative) \
"balance" $block(balance) \
"link" $block(sourceBlock) \
"_workData" $block(_workData) \
"_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]
}
if {[info exists block(-json)] && $block(-json)} {
return [::nano::block::json::fromDict $blockDict]
}
return $blockDict
}
# Usage:
# setRepresentative account <account> previous <previousBlockHash>
# representative <newRepresentative> balance <balance>
proc ::nano::block::create::setRepresentative {args} {
array set block $args
set block(link) "0000000000000000000000000000000000000000000000000000000000000000"
set blockDict [dict create \
"type" state \
"account" $block(account) \
"previous" $block(previous) \
"representative" $block(representative) \
"balance" $block(balance) \
"link" $block(link) \
"_workData" $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)} {
return [::nano::block::json::fromDict $blockDict]
}
return $blockDict
}
# Work generation functions
proc ::nano::work::fromWorkData {blockHashOrPublicKey} {
if {[string length $blockHashOrPublicKey] != $::nano::block::hashLength} {
set blockHashOrPublicKey [binary decode hex $blockHashOrPublicKey]
}
set work [binary encode hex [::nano::internal::generateWork $blockHashOrPublicKey]]
set work [string tolower $work]
return $work
}
proc ::nano::work::fromBlock {blockData} {
set blockDict [::nano::block::dict::fromBlock $blockData]
set workData [dict get $blockDict _workData]
tailcall ::nano::work::fromBlockhash $workData
}
proc ::nano::work::validate {workData work} {
if {[string length $workData] != $::nano::block::hashLength} {
set workData [binary decode hex $workData]
}
if {[string length $work] != $::nano::work::workValueLength} {
set work [binary decode hex $work]
}
tailcall ::nano::internal::validateWork $workData $work
}
# 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 \
]
}
proc ::nano::account::getFrontier {account args} {
set accountPubKey [::nano::address::toPublicKey $account -hex]
if {![info exists ::nano::account::frontiers($accountPubKey)]} {
set frontier [dict create balance 0]
} else {
set frontier $::nano::account::frontiers($accountPubKey)
}
return [dict get $frontier {*}$args]
}
proc ::nano::account::addPending {account blockHash amount} {
set accountPubKey [::nano::address::toPublicKey $account -hex]
dict set ::nano::account::pending $accountPubKey $blockHash amount $amount
}
proc ::nano::account::getPending {account args} {
set accountPubKey [::nano::address::toPublicKey $account -hex]
set retval [dict create]
catch {
set retval [dict get $::nano::account::pending $accountPubKey {*}$args]
}
return $retval
}
proc ::nano::account::clearPending {account args} {
set accountPubKey [::nano::address::toPublicKey $account -hex]
catch {
dict unset ::nano::account::pending $accountPubKey {*}$args
}
return
}
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]
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]} {
lappend blockArgs previous $frontierHash
}
dict set blockArgs -json true
set block [::nano::block::create::receive {*}$blockArgs]
set newFrontierHash [dict get [json::json2dict $block] "_blockHash"]
set balance [expr {$balance + $amount}]
setFrontier $account $newFrontierHash $balance $representative
clearPending $account $blockHash
return $block
}
proc ::nano::account::send {fromAccount toAccount amount signKey} {
set fromAccountPubKey [::nano::address::toPublicKey $fromAccount -hex]
set toAccountPubKey [::nano::address::toPublicKey $fromAccount -hex]
set fromFrontierInfo [getFrontier $fromAccount]
set toFrontierInfo [getFrontier $toAccount]
set fromBalance [dict get $fromFrontierInfo balance]
set fromFrontierHash [dict get $fromFrontierInfo frontierHash]
set fromRepresentative [dict get $fromFrontierInfo representative]
set signKey [binary encode hex $signKey]
set block [::nano::block::create::send \
from $fromAccount \
to $toAccount \
previous $fromFrontierHash \
previousBalance $fromBalance \
amount $amount \
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
return $block
}
proc ::nano::account::receiveAllPending {key {accountPubKey ""}} {
set outBlocks [list]
if {$accountPubKey eq ""} {
set accountPubKey [::nano::key::publicKeyFromPrivateKey $key -hex]
}
set account [::nano::address::fromPublicKey $accountPubKey]
set pendingBlocks [getPending $account]
if {[llength $pendingBlocks] == 0} {
return $outBlocks
}
set signKey [binary encode hex $key]
foreach blockHash [dict keys $pendingBlocks] {
lappend outBlocks [receive $account $blockHash $signKey]
}
return $outBlocks
}
proc ::nano::account::setRepresentative {account representative signKey} {
set accountPubKey [::nano::address::toPublicKey $account -hex]
set frontierInfo [getFrontier $account]
dict with frontierInfo {}
set blockArgs [list account $account \
representative $representative \
signKey $signKey \
previous $frontierHash \
]
dict set blockArgs -json true
set block [::nano::block::create::setRepresentative {*}$blockArgs]
set newFrontierHash [dict get [json::json2dict $block] "_blockHash"]
setFrontier $account $newFrontierHash $balance $representative
return $block
}
# RPC Client
proc ::nano::rpc::client::init args {
dict with args {}
if {![info exists url]} {
set url {http://localhost:7076/}
}
set ::nano::rpc::client::url $url
}
proc ::nano::rpc::client {action args} {
::nano::rpc::client::init
set rpcURL $::nano::rpc::client::url
set jsonArgs [list]
foreach {key value} $args {
switch -exact -- $key {
"-count" {}
"-accounts" {
set valueAsStrings [lmap valueItem $value { json::write string $valueItem }]
set value [json::write array {*}$valueAsStrings]
}
default {
set value [json::write string $value]
}
}
set key [string range $key 1 end]
lappend jsonArgs $key $value
}
set query [json::write object action [json::write string $action] {*}$jsonArgs]
catch {
set token [http::geturl $rpcURL -query $query]
set ncode [http::ncode $token]
set data [http::data $token]
} error
if {![info exists data]} {
set ncode -1
set data $error
}
if {[info exists token]} {
http::cleanup $token
}
if {$ncode ne "200"} {
return -code error "$ncode: $data"
}
set data [json::json2dict $data]
return $data
}
# Account balance manipulation
set ::nano::balance::_conversion {
GNano 1000000000000000000000000000000000000000
MNano 1000000000000000000000000000000000000
Gnano 1000000000000000000000000000000000
Gxrb 1000000000000000000000000000000000
KNano 1000000000000000000000000000000000
Nano 1000000000000000000000000000000
_USER 1000000000000000000000000000000
NANO 1000000000000000000000000000000
Mnano 1000000000000000000000000000000
Mxrb 1000000000000000000000000000000
Mrai 1000000000000000000000000000000
knano 1000000000000000000000000000
kxrb 1000000000000000000000000000
mNano 1000000000000000000000000000
nano 1000000000000000000000000
xrb 1000000000000000000000000
uNano 1000000000000000000000000
mnano 1000000000000000000000
mxrb 1000000000000000000000
unano 1000000000000000000
uxrb 1000000000000000000
Traw 1000000000000
Graw 1000000000
Mraw 1000000
Kraw 1000
raw 1
}
proc ::nano::balance::toUnit {raw toUnit {decimals 0}} {
set divisor [dict get $::nano::balance::_conversion $toUnit]
if {$decimals == 0} {
set balance [expr {entier(($raw / ($divisor * 1.0)) + 0.5)}]
} else {
set balance [expr {$raw / ($divisor * 1.0)}]
set balance [format "%.${decimals}f" $balance]
}
return $balance
}
proc ::nano::balance::toRaw {balance fromUnit} {
set multiplier [dict get $::nano::balance::_conversion $fromUnit]
# Determine how long the multiplier is
set zeros [expr {entier(log10($multiplier))}]
# Find the location of the decimal point (or add it)
set decimal [string first "." $balance]
if {$decimal == -1} {
append balance "."
set decimal [string first "." $balance]
}
# Ensure that the balance has atleast the right number of trailing zeros
append balance [string repeat "0" $zeros]
# Remove the decimal point
set balance [string replace $balance $decimal $decimal]
# Get the subset of the string that corresponds to the balance
set balance [string range $balance 0 [expr {$zeros + $decimal - 1}]]
# Convert to a integer type
set balance [expr {entier($balance)}]
return $balance
}
proc ::nano::balance::normalizeUnitName {unit} {
set multiplier [dict get $::nano::balance::_conversion $unit]
foreach {unitName multiplierCheck} $::nano::balance::_conversion {
if {$multiplierCheck == $multiplier} {
return $unitName
}
}
}
proc ::nano::balance::toHuman {raw {decimals 3}} {
set humanUnit [normalizeUnitName _USER]
set humanUnitMultiplier [dict get $::nano::balance::_conversion $humanUnit]
if {$raw > [expr {$humanUnitMultiplier / 10000000}]} {
set balance [toUnit $raw $humanUnit 7]
set baseUnit $humanUnit
set balance [expr {entier($balance * 1000000)}]
set labels {u m "" K M G T}
} else {
set balance $raw
set baseUnit "raw"
set labels {"" K M G T}
}
set labelIdx -1
foreach label $labels {
incr $labelIdx
if {$balance < 1000} {
break
}
set balance [expr {$balance / 1000}]
}
set unit "${label}${baseUnit}"
set unit [normalizeUnitName $unit]
set balance [toUnit $raw $unit $decimals]
set balance [string trimright $balance "0."]
set result [list $balance $unit]
return $result
}