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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::create {}
namespace eval ::nano::account {}
set ::nano::block::hashLength 32
set ::nano::key::publicKeyLength 32
set ::nano::key::privateKeyLength 32
set ::nano::key::seedLength 32
set ::nano::address::base32alphabet {13456789abcdefghijkmnopqrstuwxyz}
proc ::nano::address::toPublicKey {address args} {
set performChecksumCheck false
set outputFormat "bytes"
foreach arg $args {
switch -exact -- $arg {
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default {
return -code error "Invalid option: $arg"
}
}
}
if {![info exists inputFormat]} {
if {[string length $pubKey] == 32} {
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] != 32} {
if {[string length $pubKey] != $::nano::key::publicKeyLength} {
return -code error "Invalid key (length)"
}
set checksum [string reverse [::nano::internal::hashData $pubKey 5]]
append pubKey $checksum
set pubKey [binary encode hex $pubKey]
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}
default {
return -code error "Invalid option: $arg"
}
}
}
}
if {[string length $seed] != 32} {
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]
}
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}
default {
return -code error "Invalid option: $arg"
}
}
}
if {[string length $key] != 32} {
if {[string length $key] != $::nano::key::privateKeyLength} {
set key [binary decode hex $key]
}
set pubKey [::nano::internal::publicKey $key]
if {$outputFormat eq "hex"} {
set pubKey [string toupper [binary encode hex $pubKey]]
}
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}
"-binary" {
set outputFormat "bytes"
}
}
}
if {[string length $blockHash] != 32} {
if {[string length $blockHash] != $::nano::block::hashLength} {
set blockHash [binary decode hex $blockHash]
}
if {[string length $key] != 32} {
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
}
proc ::nano::block::signBlock {blockData args} {
set blockHash [::nano::block::hash $blockData]
tailcall ::nano::block::signBlockHash $blockHash {*}$args
}
proc ::nano::block::verifyBlockHash {blockHash signature pubKey} {
if {[string length $blockHash] != 32} {
if {[string length $blockHash] != $::nano::block::hashLength} {
set blockHash [binary decode hex $blockHash]
}
if {[string length $pubKey] != 32} {
if {[string length $pubKey] != $::nano::key::publicKeyLength} {
set key [binary decode hex $pubKey]
}
set valid [::nano::internal::verifyDetached $blockHash $signature $pubKey]
return $signature
}
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}
default {
return -code error "Invalid option: $arg"
}
}
}
set hash [::nano::internal::hashData $blockData 32]
set hash [::nano::internal::hashData $blockData $::nano::block::hashLength]
if {$outputFormat eq "hex"} {
set hash [string toupper [binary encode hex $hash]]
}
return $hash
}
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