site/js/bns-register.js

import{generateBip39Mnemonic as Wt,deriveSeedFromBip39Mnemonic as At,deriveHdPrivateNodeFromSeed as qt,deriveHdPath as Gt,secp256k1 as zt,hash160 as Pt,encodeCashAddress as je,lockingBytecodeToCashAddress as Jt,cashAddressToLockingBytecode as We,binToHex as Yt,hexToBin as qe,utf8ToBin as Nt,binToBase64 as dt,base64ToBin as ht}from"@bitauth/libauth";var Y="bchtest";var Xt="m/44'/145'/0'",Vt=5,tt="bns.wallet.v1";function $t(e){let t=Pt(e);return Uint8Array.from([118,169,20,...t,136,172])}function _t(e,t,n){let s=Jt({bytecode:$t(e),prefix:t,tokenSupport:n});if(typeof s=="string")throw new Error(`address encoding failed: ${s}`);return s.address}var ut=class e{constructor(t,n,s=Y){this.mnemonic=t,this.prefix=s,this._root=qt(n),this._keys=new Map,this._derive()}static async create(t=Y){let n=Wt();return new e(n,await At(n),t)}static async fromMnemonic(t,n=Y){let s=String(t).trim().toLowerCase().replace(/\s+/g," "),r=await At(s);if(typeof r=="string")throw new Error(`invalid recovery phrase: ${r}`);return new e(s,r,n)}_derive(){this.receive=[],this.change=[];for(let[t,n]of[[0,this.receive],[1,this.change]])for(let s=0;s<Vt;s++){let r=`${Xt}/${t}/${s}`,o=Gt(this._root,r);if(typeof o=="string")throw new Error(`HD derivation failed at ${r}: ${o}`);let i=zt.derivePublicKeyCompressed(o.privateKey);if(typeof i=="string")throw new Error(`pubkey derivation failed: ${i}`);let a=$t(i),c={path:r,branch:t,index:s,privateKey:o.privateKey,publicKey:i,lockingBytecode:a,address:_t(i,this.prefix,!1),tokenAddress:_t(i,this.prefix,!0)};n.push(c),this._keys.set(Yt(a),c)}}get address(){return this.receive[0].address}get tokenAddress(){return this.receive[0].tokenAddress}get watchedAddresses(){return[...this.receive,...this.change].map(t=>t.address)}keyFor(t){let n=this._keys.get(t);return n?{privateKey:n.privateKey,publicKey:n.publicKey}:null}async encrypt(t){let n=crypto.getRandomValues(new Uint8Array(16)),s=crypto.getRandomValues(new Uint8Array(12)),r=await Bt(t,n),o=new Uint8Array(await crypto.subtle.encrypt({name:"AES-GCM",iv:s},r,Nt(this.mnemonic)));return JSON.stringify({v:1,kdf:"PBKDF2-SHA256",iterations:pt,prefix:this.prefix,salt:dt(n),iv:dt(s),ct:dt(o)})}static async decrypt(t,n){let s=typeof t=="string"?JSON.parse(t):t,r=await Bt(n,ht(s.salt),s.iterations??pt),o;try{o=await crypto.subtle.decrypt({name:"AES-GCM",iv:ht(s.iv)},r,ht(s.ct))}catch{throw new Error("wrong password")}return e.fromMnemonic(new TextDecoder().decode(o),s.prefix??Y)}async save(t,n=globalThis.localStorage){n.setItem(tt,await this.encrypt(t))}static async load(t,n=globalThis.localStorage){let s=n.getItem(tt);return s?e.decrypt(s,t):null}static exists(t=globalThis.localStorage){return!!t?.getItem(tt)}static forget(t=globalThis.localStorage){t.removeItem(tt)}},pt=25e4;async function Bt(e,t,n=pt){let s=await crypto.subtle.importKey("raw",Nt(String(e)),"PBKDF2",!1,["deriveKey"]);return crypto.subtle.deriveKey({name:"PBKDF2",salt:t,iterations:n,hash:"SHA-256"},s,{name:"AES-GCM",length:256},!1,["encrypt","decrypt"])}var et=["wss://chipnet.bch.ninja:50004","wss://chipnet.imaginary.cash:50004","wss://tbch4.loping.net:62002"],ft=class{constructor(t,n){this.url=t,this.WS=n||globalThis.WebSocket,this.id=0,this.pending=new Map,this.buf=""}connect(){return new Promise((t,n)=>{let s=new this.WS(this.url);this.ws=s;let r=async()=>{try{await this.call("server.version",["bns-web","1.4.2"]),t(this)}catch(a){n(a)}},o=a=>n(new Error("electrum ws error: "+(a?.message||this.url))),i=a=>this._onData(typeof a.data=="string"?a.data:a.data.toString());s.addEventListener?(s.addEventListener("open",r),s.addEventListener("error",o),s.addEventListener("message",i)):(s.onopen=r,s.onerror=o,s.onmessage=i)})}_handle(t){let n=this.pending.get(t.id);n&&(this.pending.delete(t.id),t.error?n.reject(new Error(JSON.stringify(t.error))):n.resolve(t.result))}_onData(t){this.buf+=t;let n;for(;(n=this.buf.indexOf(`
`))>=0;){let r=this.buf.slice(0,n).trim();if(this.buf=this.buf.slice(n+1),r)try{this._handle(JSON.parse(r))}catch{}}let s=this.buf.trim();if(s)try{let r=JSON.parse(s);this._handle(r),this.buf=""}catch{}}call(t,n=[]){let s=++this.id;return new Promise((r,o)=>{this.pending.set(s,{resolve:r,reject:o}),this.ws.send(JSON.stringify({id:s,method:t,params:n})+`
`),setTimeout(()=>{this.pending.has(s)&&(this.pending.delete(s),o(new Error(`electrum timeout: ${t}`)))},2e4)})}close(){try{this.ws.close()}catch{}}};async function It(e=et,t){let n=[];for(let s of e)try{return await new ft(s,t).connect()}catch(r){n.push(`${s}: ${r?.message??r}`)}throw Qt(e.length,n)}function Qt(e,t){let n=new Error(`no electrum server reachable (tried ${e}). These use non-standard ports, which some networks and VPNs block:
  ${t.join(`
  `)}`);return n.code="NO_ELECTRUM",n.failures=t,n}import{cashAddressToLockingBytecode as Zt,lockingBytecodeToCashAddress as te,sha256 as ee,hash160 as Je,binToHex as ne,hexToBin as Ye}from"@bitauth/libauth";function se(e){return ne(ee.hash(e).slice().reverse())}function k(e){let t=Zt(e);if(typeof t=="string")throw new Error(`bad address "${e}": ${t}`);return t.bytecode}function F(e){let t=k(e),n=String(e).includes(":")?e.split(":")[0]:"bchtest",s=te({bytecode:t,prefix:n,tokenSupport:!0});if(typeof s=="string")throw new Error(`cannot token-encode "${e}": ${s}`);return s.address}async function Rt(e,t){let n=k(t),s=se(n);return(await e.call("blockchain.scripthash.listunspent",[s,"include_tokens"])).map(o=>({txid:o.tx_hash,vout:o.tx_pos,satoshis:BigInt(o.value),height:o.height,address:t,lockingBytecode:n,token:o.token_data?{category:o.token_data.category,amount:BigInt(o.token_data.amount??0),nft:o.token_data.nft?{capability:o.token_data.nft.capability,commitment:o.token_data.nft.commitment}:void 0}:void 0}))}async function N(e,t){let n=[];for(let s of t)n.push(...await Rt(e,s));return n}async function K(e,t){return e.call("blockchain.transaction.broadcast",[t])}import{binToHex as Ut,hexToBin as G,utf8ToBin as nt,binToUtf8 as oe,encodeTransaction as re,decodeTransaction as Qe}from"@bitauth/libauth";var ie="BNS1",Ot="bchtest:qp8njaa9a3ahg7259s5qajnce526n0rttsq8qwx4jl",U=600n,j=1000n,W=546n,gt="bch",yt=200,ae=/^[a-z0-9-]{1,32}$/,ce=/^[a-z0-9-]{1,16}$/;var st=class extends Error{constructor(t){super(t),this.name="NoGenesisInputError",this.code="NO_GENESIS_INPUT"}},O=class extends Error{constructor(t,{needSats:n,haveSats:s}={}){super(t),this.name="InsufficientFundsError",this.code="INSUFFICIENT_FUNDS",this.needSats=n,this.haveSats=s}};function C(e){let t=String(e).toLowerCase().trim().replace(/\.$/,"").split(".").filter(Boolean),n,s;if(t.length===0)throw new Error(`invalid name "${e}"`);if(t.length===1?(n=t[0],s=gt):(s=t[t.length-1],n=t[t.length-2]),!ae.test(n)||!ce.test(s))throw new Error(`invalid name "${e}" (allowed: <label>.<tld>, [a-z0-9-])`);return s===gt?n:`${n}.${s}`}function E(e){return e.includes(".")?e:`${e}.${gt}`}function wt(e,t,n){let s=JSON.stringify({o:e,n:t,r:n??{}}),r=nt(ie+s);if(r.length>yt)throw new Error(`records too large (${r.length} > ${yt} bytes)`);return r}function mt(e,t="REG"){return yt-wt(t,e,{}).length}function le(e){return e.length<=75?Uint8Array.from([e.length,...e]):e.length<=255?Uint8Array.from([76,e.length,...e]):Uint8Array.from([77,e.length&255,e.length>>8&255,...e])}function Ft(e){return Uint8Array.from([106,...le(e)])}function de(){return Uint8Array.from([65,...new Uint8Array(65),33,...new Uint8Array(33)])}var he=e=>!e.token;function q(e,t,{requireGenesis:n=!0}={}){let s=e.filter(he),r=[],o=0n;if(n){let a=s.filter(c=>c.vout===0).sort((c,l)=>l.satoshis>c.satoshis?1:-1);if(a.length===0)throw new st("wallet has no coin at output index 0, which CashTokens requires to create a new certificate category \u2014 send a small amount to yourself first (buildPrepTx)");r.push(a[0]),o+=a[0].satoshis}let i=s.filter(a=>!r.some(c=>c.txid===a.txid&&c.vout===a.vout)).sort((a,c)=>c.satoshis>a.satoshis?1:-1);for(let a of i){if(o>=t)break;r.push(a),o+=a.satoshis}return{inputs:r,totalSats:o}}function X(e){return{outpointTransactionHash:G(e.txid),outpointIndex:e.vout,sequenceNumber:4294967294,unlockingBytecode:de()}}function ot(e){return{...X(e),lockingBytecode:e.lockingBytecode,valueSatoshis:e.satoshis,...e.token?{token:{amount:e.token.amount??0n,category:G(e.token.category),...e.token.nft?{nft:{capability:e.token.nft.capability,commitment:G(e.token.nft.commitment||"")}}:{}}}:{}}}function V(e){return re(e).length}function xt({name:e,ownerAddress:t,ownerTokenAddress:n,changeAddress:s,records:r={},utxos:o,feeAddress:i=null,feeSats:a=0n,beaconAddress:c=Ot,feeRate:l=1,addressToLockingBytecode:h}){if(typeof h!="function")throw new Error("addressToLockingBytecode must be injected (see chain.js)");let d=C(e),p=wt("REG",d,r),g=BigInt(a??0n);if(g>0n&&!i)throw new Error("feeSats set but feeAddress missing");let u=h(s??t),f
`))>=0;){let r=this.buf.slice(0,n).trim();if(this.buf=this.buf.slice(n+1),r)try{this._handle(JSON.parse(r))}catch{}}let s=this.buf.trim();if(s)try{let r=JSON.parse(s);this._handle(r),this.buf=""}catch{}}call(t,n=[]){let s=++this.id;return new Promise((r,o)=>{this.pending.set(s,{resolve:r,reject:o}),this.ws.send(JSON.stringify({id:s,method:t,params:n})+`
`),setTimeout(()=>{this.pending.has(s)&&(this.pending.delete(s),o(new Error(`electrum timeout: ${t}`)))},2e4)})}close(){try{this.ws.close()}catch{}}},ve=e=>typeof e=="string"?{url:e}:e;async function Te(e,t,{directIP:n=!1}={}){let s;for(let r of e){let o=ve(r);try{return await new at(o.url,t).connect()}catch(i){s=i}if(n&&o.ip)try{let i=new URL(o.url),a=`${i.protocol}//${o.ip}:${i.port}`;return await new at(a,t,{servername:i.hostname}).connect()}catch(i){s=i}}throw s??new Error("no electrum server reachable")}function Ee(e){if(!e||!e.startsWith("6a"))return null;let t=be(e),n=1,s=[];for(;n<t.length;){let o=t[n++],i;if(o<=75)i=o;else if(o===76)i=t[n++];else if(o===77)i=t[n]|t[n+1]<<8,n+=2;else return null;s.push(t.slice(n,n+i)),n+=i}let r=new TextDecoder().decode(s[0]??new Uint8Array);if(!r.startsWith(Mt))return null;try{let o=JSON.parse(r.slice(Mt.length));if((o.o==="REG"||o.o==="UPD")&&typeof o.n=="string")return o}catch{}return null}function Ae(e,t){let n=e.height>0?e.height:1/0,s=t.height>0?t.height:1/0;return n-s||e.tx_hash.localeCompare(t.tx_hash)}function _e(e,t){let n=new Set(e.map(a=>a.tx_hash)),s=new Map(e.map(a=>{let c=new Set;for(let l of t.get(a.tx_hash)?.vin??[])l.txid&&l.txid!==a.tx_hash&&n.has(l.txid)&&c.add(l.txid);return[a.tx_hash,c]})),r=new Set,o=[],i=[...e];for(;i.length;){let a=i.findIndex(l=>[...s.get(l.tx_hash)].every(h=>r.has(h)));a<0&&(a=0);let[c]=i.splice(a,1);r.add(c.tx_hash),o.push(c)}return o}async function z({electrum:e=xe,WebSocket:t,client:n,directIP:s=!1}={}){let r=n??await Te(e,t,{directIP:s});try{let o=null,i;if(typeof r.unionHistory=="function"){let l=await r.unionHistory(Ht);i=l.history,o={servers:l.servers,unreachable:l.unreachable,disagreements:l.disagreements}}else i=await r.call("blockchain.scripthash.get_history",[Ht]);i.sort(Ae);let a=new Map;for(let{tx_hash:l}of i)try{a.set(l,await r.call("blockchain.transaction.get",[l,!0]))}catch{}let c=new Map;for(let{tx_hash:l,height:h}of _e(i.filter(d=>a.has(d.tx_hash)),a)){let p=a.get(l).vout||[],g=null;for(let w of p)g=Ee(w.scriptPubKey?.hex)??g;if(!g)continue;let u=g.n;if(!we.test(u))continue;let f=me(u);if(g.o==="REG"){if(c.has(f))continue;let w=ke(u),m=p.find(y=>y.tokenData?.nft&&y.tokenData.nft.commitment===w);if(!m)continue;c.set(f,{name:f,category:m.tokenData.category,records:g.r??{},txid:l,height:h,updatedTxid:null})}else if(g.o==="UPD"){let w=c.get(f);if(!w||!p.some(y=>y.tokenData&&y.tokenData.category===w.category))continue;w.records=g.r??{},w.updatedTxid=l}}return o&&Object.defineProperty(c,"integrity",{value:o,enumerable:!1}),c}finally{n||r.close()}}async function Be(e,t={}){let n=Se(e);return(await z(t)).get(n)??null}var b={network:"chipnet",addressPrefix:"bchtest",selfHosted:null,get electrum(){return this.selfHosted?[this.selfHosted,...et]:et},beacon:"bchtest:qp8njaa9a3ahg7259s5qajnce526n0rttsq8qwx4jl",serviceFee:{address:"bchtest:qzew3dqcsj0guwe5y3uxf9q2xs5ajgy9lca4z093cu",sats:10000n},feeRate:1,wizardConnect:{dappName:"Silent Mode",dappIcon:"https://silentmode.st/icon.png"},faucets:[{name:"tbch.googol.cash",url:"https://tbch.googol.cash/"},{name:"chipnet.bch.ninja faucet",url:"https://chipnet.bch.ninja/faucet"}]};function Ne(e){let t=n=>(Number(n)/1e8).toFixed(8).replace(/0+$/,"").replace(/\.$/,"");return[{label:"Service fee",sats:e.serviceFeeSats,bch:t(e.serviceFeeSats)},{label:"Network fee",sats:e.chainFeeSats,bch:t(e.chainFeeSats)},{label:"Discovery beacon",sats:e.beaconDustSats,bch:t(e.beaconDustSats)},{label:"Held in the certificate",sats:e.certificateDustSats,bch:t(e.certificateDustSats),note:"stays yours \u2014 it lives in the certificate you now own"},{label:"Total",sats:e.netCostSats,bch:t(e.netCostSats),total:!0}]}async function $e({electrum:e=b.electrum,WebSocket:t}={}){return It(e,t)}async function Tt(e,t){let n=C(t),s=E(n),o=(await z({client:e})).get(s)??null;return{name:s,rawName:n,available:!o,entry:o,recordBudgetBytes:mt(n)}}async function Et(e,{name:t,ownerAddress:n,records:s={},utxos:r,serviceFee:o=b.serviceFee,feeRate:i=b.feeRate}){let a=r??await N(e,[n]);return xt({name:t,ownerAddress:n,ownerTokenAddre