Contract Source Code:
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @title: Skyliners
/// @author: manifold.xyz
import "./manifold/ERC721Creator.sol";
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// //
// //
// ,,,,,,,,'',,,,,,,;;,,,,,,,,,,,,,,;;,,,,,,,,,,;;;;;;,'.',;,;;;:;;;;;;:;;;;;;;;:::;:c:;;,;;:;'',;;,,,,,,;;,,;;,,,,,,,;,',;::::::::;;;:::;;;;::;;::;;;,,,;;;,,;,''' //
// ,,,,,'''',,,,,,,,;;,,,,,,,,,,;;,,,,,,,,,,;;;;;;;;;'..';;:;;::::;;;;;::::;;;,,,;;;;;,,,,,,,'',,;;,,,,,;;;,,;;;;;;,,,,;;,,;;::::::::::;;;;;;;;;;;;;;;;,;;;,,,,;,'' //
// ,,,;,',,,,,,,',,,,,,,,,,,,,,,,,,,,,,,,,,;;;;;;;;,'.';:::;,';;,,;;;;;;;;;;,,;:;;;;;;;;,,,,,'',,,,,,,,,,,;;,,;;,;;;;,,,,,,,,;;;;:c::::;:;;;;;;;;;;;;;,,;;;;,,,;;,, //
// ,,,,,,;,,,,,,,,,,,,,,;,,,,,;,,,,,;;;,,;;;;;;;;;''',:::;,'.''',::;;;;;;;,,;;::;,,,,,,,,,,,,'',,,,;;,,,;,,,,',,,'','''''',,'',',;:cc::,;:;;:;;::;;;;;;;;;;;;,;;,,, //
// ,,,,;;;,,,,,,,,;;,,,,,,,,,,,,,,;;;;;;,,;,;;:;,.',;::;,'.',,',;;;,,;;;;,,,;:;;;,'''''',,,,,'''',,,,,,,,,;,'''''''''''''''''',;,',:ccc:,;;;;;;::;;;;;;;;;;;;,,,,,, //
// ::;,,;;;;;,,,,,;;,;;;;,,;,,,,,,,;;;;;,,;;:;,'..;:;;,'...'',;;,,,,,;;;;,'',,;;,,''',,,;,,,,,,'',,,,,,;,;;,''''',',,'''''';,''''',;:ccc:;,,,,,;;::;;;;;;,;;;,,,,,, //
// ::;,,;;,,,;;;;;;;;;:;;;;;,,;;;,,;;;;,.';;,'...;:;,'....'',;:;,,,;;;;,;;;;;;;,,;:::;,',,,''',,,'''',,;;;,'',;;;,,,,,''''';;''''''',;cc::;,,,,,;;::::::;;;;,,;;;;, //
// ;;;;;;;;;;;;;;;;;;;;;;;;,,;;;;;;;;;,........',;,''...,,;;,,,,,,,,,,,,;:;;;;:;,,;;:;'''''''',,,,',,,,,,,,'',,,,'',,,,,,'''''','''''',cc:c:;,,,;;;:;:::;;;;;,;;;;; //
// ;;;;;;;;;;;;;;;;;;;;;;;;,;;;;;;;;;,........',,''''',;::;,,,;;;,,'',;;;;::c:;,,',;;,,,''',,,,,,,,,,,,,,,,,,,',,,,,'',,,,,'','''''''',;:;::;,'',::;;;;;;,,,,;;;;;: //
// ,;,,;;;;;;;;;;;cc:;,;,,,,;;;;;;;,''......',,''''',::;,,',,;;,''',;;;;,,;:c;,,;,,;;;;,,,,;;,,,,,;:;,,,,;,,,,,,,,,;,',;;,;,,,''''',''',;;;::,''',;;;;;,,,,,;;;;;;c //
// ;;;;;;;;;;;;;;:clc;,',,;;;;;;;;,'.......',,''..';::,,'',;;,,'',;;;,,';cc:;,,,,,,,,,,,;;,;;;;;;;;;:;,,,;::;,,,;;;:;,'',,;;,',,'''','',;;,;;;'''',,;;,,,,,,;;;;;;; //
// ;;;;;;;:;;;;:;;;;;,,;;:::::::;,'.....'',,'''..',::;,,;;;,,,,',;;:;;,,::;;,,,;,,,,,,;,,,;;;;;;;;;;;;;;,,;:c:;,;;;:;,,',,,;;,,,,'''','';:;;::;',,'',:cc;,,',;::;,, //
// ;;;;;;::;;;:::;;;:::::::::::,'......'''''''''',;:;,,;:,,,;,,',,,;,,,;;;,;;:c:,,,,,;;;,,;;;;,;;;;:;,,;::;,:c:,,,;;;,,,;,,,;;;,,,,'',,'',;:clc,,,,,,;:;;;,',:::;;; //
// ;;;;;::;;;:::;;;::::::;:::;''......'''''''''',,,,,,;:,,;,,,,,,,;;;,;;;:clooc;;::c::;,;::::;,;:;;;;;;,;cc:;:c:;,,:;,;;;;,,,;;;,,;,,,',;,,;:cc;,'',,,,,,;;',:::;;c //
// ;::;;cc::::;;;;::cc::;;:::,''.....'''...''''''''',;,,,,,,,,,,,,;;;;;:odxxolccldxxocccccc:;,;;::,,;;;,;ccccc:cc:;;,,;,;:;,;;;;,,,,,,',,,',:cc;,,',,,,,,,;,',,:c:; //
// ;::;;;;;;:;,;::::cc::;::;,'''...''....''''''.''',,,,,,,,,,,'',;;,,:lxkxkxll::lxoc:lddooocccllc;,;;;;;:clllllccllc:::;,,;;;;;;,,,,,,,,,,'';cc;;;,',,;;,,,,',;cl:: //
// ;::;;;;,;;;;::::::::::c;'''''''''...''''''''''',,'',;,,,',,,,;;,,cxdodoc;;;;:::::clllddooool:;::;;;:;::ccllllc::clc:;,,,;:;:;,,;;,;,,,,,'';;,;cc,'',;:c:,,',:c:; //
// ;;;;:;,,,;::::::cccccc;.'',,'''''''';;,''''''',''',;,,,,'',;,,',cdo:ll,,;:;,,';;;;,,:cllodol:;;,,,,:c:;:::cllll:;:cc:,,,;:::c;,;;,,,,;:;,',:c::cc,'',:cc;,,,;cc; //
// ;:::;;;:cc:::::cccccc;..',;,,''',,'',;,'''.'',''',,,,,,,,,,,,'.coc:;:,',,,,,,,,,,;:::cclllc::;,,;:loc;,:cc:cllllc;;:lc::;;:ccc;;;,,:;,;;;',;;,',;:;'',,;;,,,,;:: //
// :::;;;:ccc::::cccc::;''''',,,,,,,'..''''''','''',,'',,,,,,,,,,.,:,',,''''''',,,,;;;:cllodxdoollloooc,,;;;:l::loooo:,:clcc:;:ccc::;,,;,,;;;',,,;,';:;'';;::,,,';: //
// :;;;;::cc::clcccc::,'''..'',,,,,,'''''''',,'''''''',,,,,,,;;,,'.',,,',,',;:;;,;:ccllodxdxkkkkkxolll;,,;;,,:l:;llodo:;;cllc:coolcc:;,,,;;;;,',,;,,,;:,',::c:,,',; //
// ;;:::::cccccc:cc::;'..'..'',;,,,,'''''',;,''''''''',,,,,,;;,,'';lododd:,cllcc:;cllclodxxddxxdlclol;,;;;,;;;coc:lloooc;,col:;cllllo:;,,;,,;,'',,,,,,;:,';ooc,,,', //
// cc;;:ccccccc::ccc:'...''.'',;;,,,''''',;,'''''''''',,,,,,,,'.',;;:dOkkl';ooolclkOOOxoloddddddc;:ccclc;;;;;,;coc:lllddl;,:loc::coddo:,;::,,,,,,,,,,,,;;,':l:,,,,' //
// :;,;ccccccc::ccc:,..':;''.'',,,,,','',;;,,,,,'''''',,,,,,,,'''''.,loll:,',odlldxkkOOdllllllllc;;;cl:'';;;;,,;coc:lccodl;,:odl:codoccc:ll:,,,;:c:,'',;;:,,;,'',,, //
// :;;cccccccc::;;:;'..',,''.'',,,,,,,'',,,',,,,,,,'',,,,,,,,,',,';;',;:;:;..;dxollcc:ldolc;::;;::;,:c;',;;;,,,,;:lc:cccodl;,codl:;loc;cclllc,,,;ld:,',;;;;,,,'',,, //
// :::cccccccc:;';:,...'..,,'',,,,,,,,',,'',;;,,,,,',,,,,,,,,,,,'':;..,;;,,...:k0x:,,'',;;;,;ll;,;c:cc;;;;;;,,,,,,;c::c:;col,,cool;;lo:;cllllc,,,;ol,',::;;;,,,,'', //
// ;;ccccccccc:';c:'...''..'',,;:;,;;,,,'',;;,,,,,,,,,;;,,,,,,,,'':;..,;;,,,,..cOkl:;,,,''''',cl:;col:,;;;;;;;;,,;;;:;:c;;coc,;cool;:oo::cllol:,,,:l;'';cccc,',,'', //
// ;:ccccccccc;';c;''..''.',,,,,,,;:;,,,,,,;,,,,,,,;;,,,,,,;;;;,..''..,:,.';;;''lxc,,;cc:;''..,c:,::,',;;;;;;;;;,,::;;:lc;;coc,;lool;:ooclloool:,,,::,';looc;'',,,, //
// ;cccccccccc;';:;;'''''.',,,;,,;;;,'',,;,,,,,,,,co:,,,,;;;;;;,''....','..'',,''cl:;,col:,'..':;,;,',;;;;;,,,,;,',:lloolc;;co:,:oool:coollllllc,,,;:;';looc;,',;,, //
// ;cccccccccc,';::;,,''',,',;;,,;,,,'',,,,,;;,;:oxxc,,,,;;,,,,,,''''..,'..'''.''.,;;;;;;:cc,';c:::,;::;;;;;,,,;;'.,cddoooc,;lo:;coool:lolllllll;,,,;;',:loc;,',,,, //
// ;cccccc::cc,';::::;'.';,,;;,,;,,;,'''',,,;,,;lddxl,,,,;;,,,;;;;,'''..,',:c:;::;,;;;:okO0Okdkdc:...,::;;;;;;;,,..,:clollc;,:oo::loooc:lollllclc,,,'''';ll;,''',,, //
// :ccccccc:c:'';cc::;'.'',;;,,,,,;;,''',,,,,,::;ccco:,,,,,,,,;;;;'.....',;:::cllccokOdxKNNNKKOc,......';;;;;;;;'.'::;::cllc;,colclooooccoolccccc;,;'''',cc,''',',, //
// :ccccc:::c:'.;c:cl:'.''',;,,,,,,,''',,,,,,:c,.cc,ll,,,,,,,;;;:,.......,:::cllol:ckNNKXNNXX0c..........',;;;;,'.;c::;,,:clc::cllloooolclolllccc:,,,,,,,:ol;'',,', //
// :cccc;,:;::'.,c:cl;'.''',;;;,',,,',,,,,',,,,'.:c,;lc,,,,cl;;c;.........;::clllc;;oKNNNNNXKl.............,;;''.,:;;;'';;,,;:::ccloollllloolllcc:,,,,,,,,:c;'',,', //
// ,:clc,,;,;c'.,:::c;'''',,,;;',,,,',,,',,,,''..';,':o:,,,::;c:........ ..,;:cllc:cd0XNNNKxl,.............',:,.,c;',,',:,'.',.';:cooooolloolllcc:;,,,,'',,;;',;,'' //
// ':llc;::';c,',:;;c,'''''',;;'',,,','';:;'.,,'..''',:cc;;;;cc'..........,,',;::;;;oOXX0dc::'.............',:::c;'.'',;,'.''...,;:loooollllllllcc;,,,,,'',;,,',,'' //
// .,cll:,;',c;',;,,;,''''''''',',,'',:cl:'........''',:lc;,;lc'....... .,;,,,',,,;:d0Oocccc:. ...........',,;:c:,'''';,..''...lkl,:lolcloxkdc:lc:;,,,,,'';;,;,,,,, //
// .',cl:','':;'',',,'';;,''''';cc::llc:;,..'.......''''':c;,,;:;'..... .;:;,,;;;,,,;::lk0olc...........;;,:llc::;;:,,,.......oXO;,:clodkkkdl:;cl::;,,,,'';:;;;,,,, //
// ..';c:',,.,,'''',,,',;,''','';clodl,...................,::'..:lc,.. ..;::::;::::::lkKXkllc. .......,:;':ooccc::c;,,'.'...'oKWk,':cokxoccllc;:lc:;,,,,,,,;;;,,,,, //
// ...';:,''..,,''',,''''''',,,;;:,',::'...................';;...;:;:,..';::cc::cldxkKNNOlcc;.......,;;'';ccccccc:;:;,.....,xXNXd,',,,;::;clcc;;ll:;;,,,,,,;;;,,,,, //
// ....':,''''','.'''''''''',,;,,::,.'','....................'...''..,,;clc::cccoxOKK0Oxl:c:;.....',,''',:::::;;,,;;'..'..,kWN0d:,;:;;::;;:c:::,cl:;;,,,,',,,,,,',, //
// ....';,;cc;',,'''''''',''',;;::coc,..,::,.''..........................co:coxodxocccooloc::;'',;,''''',,,'.'''''''.'::''oK0o;;;:cc::;;;,;;;;;,:c:::,;,'',,,,,,,,, //
// .....,',coc,','.'''''''',,';c:'',::;'.'::,coc:,.......................:olccxxoxxl::ddddc::,;l:'..''.''......''..':ol,,oxoc,;::;;;,,;;;,,;;;;,;c:;:;;,,,;;;;;,,,, //
// ,....''.':l:,,'.'''''''',,,,;;;c;..''.',,,cdddo:'..................'...,cc;colcoxdlloollol,;:'.''''...''...''..,dOd:clc;;;,,;;::;,,;;,,,,;,,,;c:;:::;,,,,,,,,,,' //
// :'.......,c:,,;,'''''''''';:,',,,,,,''''..':ll:;;;,;lc,...........':,..':;.';cclll;;llc:cc,;c,.'.....''...''.'l0XOl;,;c::;;:oc,,,,,,;;;;,;,,,,c:,;c:,,,,,,,,,,;, //
// c'.......';:;,,;;''''''''',;,.,'...','',;'..',,''''cxxoc,..........''.:l:'...',;;:;;:;,;::,,c;.''...'...;l;,ck0koc:;;:;,..,oOd;;,,,,,;::;;;,,,::,;c:,,,,,,,,';:: //
// :,.'''.'..';clc::;,''''''''';,.,,.......',;,,''','.';;;;,,;'....''...':l:'''',::;;;,:loolc;'::...'''..'cdo;cool:;;,'..'',:dOOo;;,,,,,,,,;;,,,,:;,;c:,,,,,,,,',:c //
// :,''..'''..',;;:ol,''','.'cxx:'',,.........',,''';::c;'...;:''''.....':l;.'',::::ll;cddddl,':c,..'''.,oxoc::;;'......':coxkOkc,;,,,,,,,,,,,;,,;;,,:;,,,',,,'',;: //
// ;,'...''''..''.'cl,,;,,,.,kNXd;'...','..''...'','',;coollodo,';;....''cl,..',cl:::c:lddoc;'.,ll;,co:clc;;,,'.','....,:looloooc;,,,,,,,,,;;,,,,,;,,;,',,',,,',;;; //
// ;;,''''',,'.,:,',cc;,,,,',dKOkxlcc:cdxdddc;,,'','','..,;codo;.....''.,cc,....,;::cc:cc::clc,':kd;;;,,',,'.',,;:,';ll;:ldxxxdlxkc,,,,,,,,;;,,,,,,,;;,,,',,,,,,,,; //
// ;:;,,,;:,,'.':l:,,:c;'''';dOxdxOOkd:cooddcloo;'...;c:,',,;:;,;,;;,c:;::c;''''''',;:,cdxkOOx:.,lo:,'':ll:..;:;;:c:lxc,;;:clodddkd;,,,,,,,,,,,,,,,,;,,,',;,,,,,,;; //
// ;;,,,:cc:,'..,:::;,,,,',:d0OooxkOO00xooxxxxddlcc;,cdxdddl;,,,;',,';cl;,;;;,;clllodo:lxxxxxxc',ckxlclloc'.,ccclc;cxx:,;;:clllol;,,,,,,,,,,,,,,,,,,,,,,,;;,'',,,,, //
// ;;;;,,,;:::;,,,;;:::;,,,;:oxo:codk0K0kkkoccokOOkc,cdodkOk:'';lc;;;od;''';;,,codoodoclkkkxxxl;,,okxkxdd:':cloc;,,oOl,,:cllcc::loc,,,,,,,,,,,,,,,,,,,,,,,,'',,,,,, //
// ',,;;;,,;:ccc;'',;,,:c:;;;,;loddlcccoddxxddoox00x;,,;dKKx;.';looxdxl..,,,:;;:ldoool:lxxxkkxl::,cxxkkdoc;lc:c;cocll,,;:ldkkxllx0Kd;,,,,,;,,,,,,,,,,,,,,,,',,,,,,, //
// ,'''';:;,;:;;:;'',,';:::;;::looxOOdolc;;:clollloc,'':xKkoc;:ccloxxd:''',,::;;;:ccoocdOOxoooc;:;;dddkxc:loclxkkkl:;;;::loxk0OxkOKXd,,,,,,,,,,,,;,,,,,,,,,,,,,,,,' //
// ;,'''',;;,;;;;;;,,,,,,;:;,;cll:;cooc:;;;;::::::;',,,,;cdOkocoxodxko,,,,,;::;:::ccll:clllllol::;'lxdkxccdlcoooOKo;;;cllloxkO00Odk0l,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, //
// ,,,,,''';;,,,,,;;;,,,,;::;cxdodolloxkdlldkkxdo:''',;::lool:::oxxkxc,,,,;;::,,:::col;:oolc:ol;:;.:dlldcco::lcdXNOolcclloloxkO0Odxd;,,,',,,,,,,,,,,,,,,,,,,,,,,,;, //
// ''',;,,;;;,,;,,,,;;,'';oxdxxxkOOOkkO00OkdoxOOdc;ldoclx0Odlcldk0Okd:,;,';;::,:dxllll:loloodo:,::,,odlkdoo:cdOXNWKko:looxdooddxkkkl,,,,,,,,,,,,,,,,,,,,,,,;,,;;,;, //
// ;,'',;;,,,,,;:;,,;;;;,:dddxdxxkkkxk00dc::dK0xlcoOxc;ckKKK0Ok0K0O000Okd;;;::,;coxxkxoxkdol:,,,;:,'cxdxxOkx0XXXKOdc::lddxkxooodk0kc,,,;,,,,,,,,,,,,,,,,,,,,,,;;,,, //
// ,,'',,,,,,,,;;::;,,,;;:dxdddddddolxOd,.,;okxxxdoc;,',cd0XNXkoxkxk000Od:::cc;,,;:clllol:clol;;cc,;cxkdOOkOOkxolc:cclllloolccokOOxc,,,;,,,,,,,,,,,,,,,,,,,,,,,,,,, //
// '''''',;;,,'',,;::;,,',dOdllodoc;,cxo:,''cko;'',cdoc::lxKNNk;,:cllcc:::c:cl::lkkdoc::lxkOK0dclcc:;dkdolokxlcc::ldoolllcclloxkkkkxoc;;,,,,,,,,,,,,,,,,,,,,,,,;:;; //
// '''''''',;;,,,,,,,;,',lOx:,;;;cc'.;dkxoolcl:,,,'cOK0koclxOX0ddolcloooool;:l:;xKd:;:c:lkOkxollolc:,cxdododollc::loooolloxkxxkkxOKK0kdc,,,;,,,,,,,,;;,,,,,,,,;::;; //
// ,',,'''''',,;;;;,'';okko,.,;'',cc,:xodKXklll::ldxxOKX0c;coxxk000OxoodxOkocol;lOxc:clcoxdlccodo::c:cdxlclooolc;;lxkkkxkkkxxxxxkkOKX0ko;',,,,,,,,,;;,,,,;;;,;;;;,; //
// ',,,,,,''',,;,;,,''o0Oc'.,c'..'lo;;cldKXXklcco0NXKOOOd;:dkOOOkOKKXXKOxkkkkkdlcoolclddddxxk00klcc:::oxocldoolc:c:oOOkxxddolllllclx0KOxc,,,;;,,,,,,,,,,,,;;;;;;:;: //
// ,,,,''',,,,,;,,''';xkl'.'lc...;oc,;,,ckkdc'''cxOKXXKOc':kXXKKKKKKNNNNNXKOkxkOxdodddxxO000Okxdoooccclkxlodollcclclxkxoc:::;;::::cldkdkd,,,,;,,,;,,,,,,,,;;;;;;:;; //
// ,,,''''',,,;;,,,,,lkc,.':l:...;:;::,':l:,;::;;::lkXNXklok0KXXKXNNNNNNNNNNX0kkkkkxxoxOkddxxdoooxOkdolxkdddollcclcccllccc:;;;;;:clllcl00c,,,,,,,,,,,,,,,;;;,,;;;;; //
// :;,,',,'',,,,,,,,:x0o;'.;:,'.'::;:::;col::cldxxdoox00xkKKOOXXNXKXNNNNNNNNNNXKOOXXX0kocccokOkxkOkdoocdkxxdoolllccclc:;;;;::;;:::cclclxkl;;,,,;,,,,,;;;;;;,,;;;;;; //
// :::;,,,,,,,,,,,,;okkocc'.;,..',c::xkooxxccxOKX000o:cld0KOkOKNX00XNNXXNWNNNNXXK0KKXNXOdoollodxkdoldolokxdddodolccllcc:cc;;;:::cc:::c:;,,,lc,,,;;,;::;;;;,,,;:;;;; //
// ,,,;::;,,,,;,,,;:dxxocoo:::;'..,::ok0K0xccdOKXXXOlclox0XNNNWWKkOXNNNWWNXNNNNXXXKKKKXXKKXKOkdxOOxoddloxkxxdoolccccccccdOo::;:ccc:;:c:;;::xx:,;;;,:oc;;;;,;;;;;:;; //
// '''',;::;,;;;,;;;lxkxddolcol:,..',;:lxkkxxxoloxxxddxxkk0XNNNNKkx0NNNWNNXXXXNNNNNXXXKKKKKXXXK0kxdodoloxkxxkdllcccccc:cxKOdlc:ccc:;:::clc:oklcc;;:llcc:;;;;;;;::;: //
// '''''',,;,,,,;;;,:xOkkko:,;:::;,,',:llldkOkkxkxllcldxO0KNX0KXKXXXNNNNNNNNXKK00XNNXXXXXXK00O0KXK0OkxooxOkxdoodlcclc::clddoc:;;;;;;:cloocccldxl:::::c:;:;;;;:;;;:l //
// ;,,''''',,;;,,,,,;oOOOxlcc,'',;;cc:;;;;:clldkkdc:;:cclx0XNNNNNNXKKXKKXNNNNNNKOk0KXNXXXXXK0Okk0000000OOkdoooxOoccc::coo:;;;::;::cllloxl;cdokOl::;;;;;:::::::;;;co //
// ::;,'',,,,,;;;,,,,:dkkOOkxl:;;:ccc:;:::;:c:::cllooc:;codk0KXNNNNK0X0kk0XNNNNNNX0000KKXNNXK000KKK0OOOO0KK0Okkxlccccccdkdc:;:cc::cc::coc,:olclc:::::::;;:cc::;;cod //
// ;,;;'',,',,,;;;;,,',,;:cloool:::;,,,;::;::;colllloddoloodkkO00K0xx0NNKOkkKXXXKXXXXXK0OOKNNXXXXXKXXXK0OOOKXXX0kdooddlxOxoc:clcc;;::::c:,:lccc::::c::::::::::;:lok //
// ,,,,,,,,'',,;;;;;,,,,,,,,;;;;;;;;:;,,,;:::cdOkdolcldkxxkkkkOOkOOkk000XNK0O0K00XK00KXNXKXXKXNNNXXXNNNNXXKK00KXNK000000Oxo::lllllc:c:::::cdddl:cc::::::c::::::loxO //
// ',,,,,,,',,,,;::;;;;;;,,,,,,;;;;;;;;;;;;:;cOKOkOxloddxO0KK0kkOK0O0XXKXNNNXK000K000KK0OKK0O0KNNNNXKKXNNXNNXK0000KXNXKK0kxdlloccllodolcloldoccc:::cc::coo:::::cdOO //
// ''''',,,,,,,,,,;::;;;;,,;;;;;,,,,;:;;;;;;:lk0OOK0O0OddOKXXXK0KXKO0NXKXNNXXKKXXXXXXKXK0K00KOO0KNNNXXXXNNNNXNNK0OO0X0kxkkkkxkxllc:cdxdlclldocllc::ccc:cloc::::oO0k //
// '''''',,,,;;,'',,;::;;,,,,,;:;,,,,;;,;;:;;:coxkOO0KKOOKK00KK0O0kdONK0KKKOk0XXXXNNXXKKXXXKKXXXKXXXNNNNXXXNNNNNXXXXNX0xdddxdkOxlllc:coolldxdoxdlccccccc::cc::lk0OO //
// ''','',,,,,,,'''',,;;;;;;;,,,,,,,,,,,;;cc:;;looodxxO0KXXKOkxxxxookXXK0O0KKKXXKKXXXKKXXK0O0XNNXKO0XNNXNNNNNXK0OKXXXXNXX0Oxdxkxololcclolclooodollcccccc:ccc:lk00OK //
// ,,,,''',,''',,,',,,,,,;;;:;,,,,,,,,,,;;;;codool:ccldkO0XXX0kddxxddxkOKKKXXXXXXXXXXXXXXKkx0KKXXXK0O0XXXKKXNNXKKKXXKXNXXX0OO0XX0OOxolloolllooolllllcccccccclkO00KN //
// ,,,,,,'',,',,,,',,,,,,,;:::;,,,,,;cc;;c:cxxc;coc:::cldxxOKKOxdxxkOkxkO0KXXXXXXXXKKKXXK00K0000KXXXK00KKOk0XXNNNXK0O0XKKK00KKXXXXXXKOxxdolloooolllllccccccok0K0KNX //
// ,;:::;;;;,,,,''',,,,,,,,,;:::;;,,;cc::clcll;,;ll:clc:clocldk0OkOOOOkkO0OO0KXXNNXXXKK00KXKKK0O0KXXXKK000KKKKKXNXK000OkkOKXKKXXK0kxxxxdxdoodxxkxdolllllccokO0kd0Xk //
// ,,,,;;,,;;,,;;'',,,,,,,,;;;::::;;::;;::cccooc:cccldoccol;,;:lxkOOkkOKKK0OkOKXXXXXXKOkOKKXXXXKKKKXXKKK00XXXKO000KXXK00KXXXX0Ok0XKOOOOO0OdodkOkdxxollodolxOxoccxkl //
// ,,,,,,;;;c:;;;,,,,,,;;;;;;cl:::::::;;cdool:ldl::oxxlcdd:,;::;;:codxk0KK0OkO0K00000Oxdx0XXXKKKXXKKXXKKXXXKKKOOO0KKK0KXKKXXXKK0KXXKXXKKXKOkxkkoloollldddddolclxkdd //
// ,,,,,,,;;;;;;;;;;;;;;;;;;:cc::::cc::;coodc;:ll:coooloo:;,,:odl:;::ccldk00OO0K0OkkkkOkx0XNNXKKKXXXXXXKKKXXXXKKXXXK0000XXXXNXXKXNNNNNXXKOkOKXKkdoodolldkxlccd0Ool: //
// ;;;,,,,,;;,;;;;;;;:;;;;;;;;::::::ccc:lol::clccclollxd:;;;::ol::cccccclldOK00KK0OkkxkOk0K0KKXXXXXXXXNNXKKXXKKXXXXXXXKKXXXXNNXXXNNNNNNXK0O0XXNNK0OxoloxxoclkXKOOkd //
// ,,,,,,,,,,,,,;;;;;;::::::;:::::::ccccodl:codlccclodkl;;;;;:c:;;:cddoolod0XNXK0OOOOOkkkOOkxxkO0KXXNNNNNK00KK0KXXNNNXXXXXXNNNNNNNNNNNNKOO0KXXXNNNNX0kxkOxoxXX0KK0O //
// ,,'',,,,;,,,,,,,,;,,;;:cc::::::ccccccdxoc:lolcccldOd:;cl:;;;;;;;cdxdlclodxOKXX0OOkxdxxkOOkdoodkO0KXNXOdloOKKXXNNNNNNNXNNNNXKXXNNNXKXXXXXNNNNNNXXNNX0OkkOKNX000Ok //
// ;;,,;;,,,;,,,,,,,;;,,;;:::::::::cccccdkdc:cclocclkOc,;lo:;;;:::::colccllododO0OOkxxdoxkOKKOxlloxk00K0kdodk0XNNNNNNXXNNNNXNNNXXNNNNNNNNNNNNXNWWNNNNNNKOkk0KKxoxO0 //
// //
// //
// //
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
contract SKL is ERC721Creator {
constructor() ERC721Creator("Skyliners", "SKL") {}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @author: manifold.xyz
import "@openzeppelin/contracts/proxy/Proxy.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/StorageSlot.sol";
contract ERC721Creator is Proxy {
constructor(string memory name, string memory symbol) {
assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = 0x2d3fC875de7Fe7Da43AD0afa0E7023c9B91D06b1;
(bool success, ) = 0x2d3fC875de7Fe7Da43AD0afa0E7023c9B91D06b1.delegatecall(abi.encodeWithSignature("initialize(string,string)", name, symbol));
require(success, "Initialization failed");
}
/**
* @dev Storage slot with the address of the current implementation.
* This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
* validated in the constructor.
*/
bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
/**
* @dev Returns the current implementation address.
*/
function implementation() public view returns (address) {
return _implementation();
}
function _implementation() internal override view returns (address) {
return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)
pragma solidity ^0.8.0;
/**
* @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
* instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
* be specified by overriding the virtual {_implementation} function.
*
* Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
* different contract through the {_delegate} function.
*
* The success and return data of the delegated call will be returned back to the caller of the proxy.
*/
abstract contract Proxy {
/**
* @dev Delegates the current call to `implementation`.
*
* This function does not return to its internal call site, it will return directly to the external caller.
*/
function _delegate(address implementation) internal virtual {
assembly {
// Copy msg.data. We take full control of memory in this inline assembly
// block because it will not return to Solidity code. We overwrite the
// Solidity scratch pad at memory position 0.
calldatacopy(0, 0, calldatasize())
// Call the implementation.
// out and outsize are 0 because we don't know the size yet.
let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)
// Copy the returned data.
returndatacopy(0, 0, returndatasize())
switch result
// delegatecall returns 0 on error.
case 0 {
revert(0, returndatasize())
}
default {
return(0, returndatasize())
}
}
}
/**
* @dev This is a virtual function that should be overridden so it returns the address to which the fallback function
* and {_fallback} should delegate.
*/
function _implementation() internal view virtual returns (address);
/**
* @dev Delegates the current call to the address returned by `_implementation()`.
*
* This function does not return to its internal call site, it will return directly to the external caller.
*/
function _fallback() internal virtual {
_beforeFallback();
_delegate(_implementation());
}
/**
* @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
* function in the contract matches the call data.
*/
fallback() external payable virtual {
_fallback();
}
/**
* @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
* is empty.
*/
receive() external payable virtual {
_fallback();
}
/**
* @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
* call, or as part of the Solidity `fallback` or `receive` functions.
*
* If overridden should call `super._beforeFallback()`.
*/
function _beforeFallback() internal virtual {}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol)
pragma solidity ^0.8.0;
/**
* @dev Library for reading and writing primitive types to specific storage slots.
*
* Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
* This library helps with reading and writing to such slots without the need for inline assembly.
*
* The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
*
* Example usage to set ERC1967 implementation slot:
* ```
* contract ERC1967 {
* bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
*
* function _getImplementation() internal view returns (address) {
* return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
* }
*
* function _setImplementation(address newImplementation) internal {
* require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
* StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
* }
* }
* ```
*
* _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
*/
library StorageSlot {
struct AddressSlot {
address value;
}
struct BooleanSlot {
bool value;
}
struct Bytes32Slot {
bytes32 value;
}
struct Uint256Slot {
uint256 value;
}
/**
* @dev Returns an `AddressSlot` with member `value` located at `slot`.
*/
function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `BooleanSlot` with member `value` located at `slot`.
*/
function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
*/
function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Uint256Slot` with member `value` located at `slot`.
*/
function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
}