Propolis Wallet — Bootstrap Loader
This post contains a self-bootstrapping HTML loader for the Propolis Wallet.
How to use
- Copy the HTML code below
- Save it as a
.htmlfile (e.g.propolis.html) - Open the file in any modern browser (Chrome, Firefox, Safari)
- The loader will fetch the full wallet from the Hive blockchain, verify its integrity via SHA-256, and load it automatically
What this does
- Fetches the Propolis Wallet application from @propolis-publish/propolis-wallet-v1-en and its comments
- Verifies every chunk against its SHA-256 hash before executing anything
- Only loads code published by
@propolis-publish— comments from other accounts are ignored - Caches the wallet locally (via IndexedDB) for faster subsequent loads
- The entire wallet runs locally in your browser — your keys never leave your device
Bootstrap HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Propolis Wallet</title>
<style>
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:system-ui,sans-serif;background:#111;color:#eee;display:flex;align-items:center;justify-content:center;min-height:100vh;padding:1rem}
.c{max-width:420px;width:100%;text-align:center}
h1{font-size:1.3rem;margin-bottom:1rem}
.s{font-size:.85rem;color:#aaa;margin-bottom:.5rem}
.p{background:#222;border-radius:8px;height:6px;overflow:hidden;margin:1rem 0}
.p div{height:100%;background:#4a9;transition:width .3s}
.e{color:#e55;margin-top:1rem;font-size:.85rem}
button{background:#4a9;color:#fff;border:none;padding:.6rem 1.5rem;border-radius:4px;cursor:pointer;font-size:.9rem;margin-top:1rem}
button:hover{background:#3a8}
.mf{display:none;margin-top:1rem;text-align:left}
.mf.show{display:block}
.mf label{font-size:.8rem;color:#aaa;display:block;margin-bottom:.3rem}
.mf input,.mf textarea{width:100%;background:#222;color:#eee;border:1px solid #444;border-radius:4px;padding:.5rem;font-size:.85rem;margin-bottom:.8rem;font-family:monospace}
.mf textarea{min-height:3rem;resize:vertical}
.mf button{width:100%}
</style>
</head>
<body>
<div class="c">
<h1>Propolis Wallet</h1>
<p class="s" id="st">Initializing...</p>
<div class="p"><div id="pb" style="width:0%"></div></div>
<p class="e" id="er" style="display:none"></p>
<div class="mf" id="mf">
<div id="mfm"><label for="mi">Encrypted Memo</label>
<textarea id="mi" rows="2" placeholder="Paste encrypted memo here..."></textarea></div>
<label for="mk">Memo Key (WIF)</label>
<input type="password" id="mk" placeholder="5K...">
<button id="mb" type="button">Decrypt & Connect</button>
</div>
</div>
<script>
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u(w){let{secretKey:v,publicKey:H,publicKeyUncompressed:I}=o;if(!gt(w)||"_lengths"in r&&r._lengths||v===H)return;let N=L(w,void 0,"key").length;return N===H||N===I}function m(w,v,H=!0){if(u(w)===!0)throw new Error("first arg must be private key");if(u(v)===!1)throw new Error("second arg must be public key");let I=r.fromBytes(w);return e.fromBytes(v).multiply(I).toBytes(H)}let b={isValidSecretKey:s,isValidPublicKey:i,randomSecretKey:f},A=Ue(f,c);return Object.freeze({getPublicKey:c,getSharedSecret:m,keygen:A,Point:e,utils:b,lengths:o})}function Ce(e,t,r={}){vt(t),pt(r,{},{hmac:"function",lowS:"boolean",randomBytes:"function",bits2int:"function",bits2int_modN:"function"}),r=Object.assign({},r);let n=r.randomBytes||At,o=r.hmac||((d,a)=>Qt(t,d,a)),{Fp:s,Fn:i}=e,{ORDER:f,BITS:c}=i,{keygen:u,getPublicKey:m,getSharedSecret:b,utils:A,lengths:w}=sn(e,r),v={prehash:!0,lowS:typeof r.lowS=="boolean"?r.lowS:!0,format:"compact",extraEntropy:!1},H=f*De<s.ORDER;function I(d){let a=f>>bt;return d>a}function N(d,a){if(!i.isValidNot0(a))throw new Error(`invalid signature ${d}: out of range 1..Point.Fn.ORDER`);return a}function G(){if(H)throw new Error('"recovered" sig type is not supported for cofactor >2 curves')}function F(d,a){Ft(a);let l=w.signature,x=a==="compact"?l:a==="recovered"?l+1:void 0;return L(d,x)}class M{constructor(a,l,x){g(this,"r");g(this,"s");g(this,"recovery");if(this.r=N("r",a),this.s=N("s",l),x!=null){if(G(),![0,1,2,3].includes(x))throw new Error("invalid recovery id");this.recovery=x}Object.freeze(this)}static fromBytes(a,l=v.format){F(a,l);let x;if(l==="der"){let{r:h,s:B}=nt.toSig(L(a));return new M(h,B)}l==="recovered"&&(x=a[0],l="compact",a=a.subarray(1));let p=w.signature/2,y=a.subarray(0,p),E=a.subarray(p,p*2);return new M(i.fromBytes(y),i.fromBytes(E),x)}static fromHex(a,l){return this.fromBytes(ct(a),l)}assertRecovery(){let{recovery:a}=this;if(a==null)throw new Error("invalid recovery id: must be present");return a}addRecoveryBit(a){return new M(this.r,this.s,a)}recoverPublicKey(a){let{r:l,s:x}=this,p=this.assertRecovery(),y=p===2||p===3?l+f:l;if(!s.isValid(y))throw new Error("invalid recovery id: sig.r+curve.n != R.x");let E=s.toBytes(y),h=e.fromBytes(z(Ze((p&1)===0),E)),B=i.inv(y),R=tt(L(a,void 0,"msgHash")),T=i.create(-R*B),q=i.create(x*B),S=e.BASE.multiplyUnsafe(T).add(h.multiplyUnsafe(q));if(S.is0())throw new Error("invalid recovery: point at infinify");return S.assertValidity(),S}hasHighS(){return I(this.s)}toBytes(a=v.format){if(Ft(a),a==="der")return ct(nt.hexFromSig(this));let{r:l,s:x}=this,p=i.toBytes(l),y=i.toBytes(x);return a==="recovered"?(G(),z(Uint8Array.of(this.assertRecovery()),p,y)):z(p,y)}toHex(a){return it(this.toBytes(a))}}let rt=r.bits2int||function(a){if(a.length>8192)throw new Error("input is too large");let l=ut(a),x=a.length*8-c;return x>0?l>>BigInt(x):l},tt=r.bits2int_modN||function(a){return i.create(rt(a))},Nt=yt(c);function xt(d){return xe("num < 2^"+c,d,J,Nt),i.toBytes(d)}function Y(d,a){return L(d,void 0,"message"),a?L(t(d),void 0,"prehashed message"):d}function Bt(d,a,l){let{lowS:x,prehash:p,extraEntropy:y}=Jt(l,v);d=Y(d,p);let E=tt(d),h=i.fromBytes(a);if(!i.isValidNot0(h))throw new Error("invalid private key");let B=[xt(h),xt(E)];if(y!=null&&y!==!1){let S=y===!0?n(w.secretKey):y;B.push(L(S,void 0,"extraEntropy"))}let R=z(...B),T=E;function q(S){let D=rt(S);if(!i.isValidNot0(D))return;let Z=i.inv(D),j=e.BASE.multiply(D).toAffine(),U=i.create(j.x);if(U===J)return;let k=i.create(Z*i.create(T+U*h));if(k===J)return;let re=(j.x===U?0:2)|Number(j.y&bt),oe=k;return x&&I(k)&&(oe=i.neg(k),re^=1),new M(U,oe,H?void 0:re)}return{seed:R,k2sig:q}}function ot(d,a,l={}){let{seed:x,k2sig:p}=Bt(d,a,l);return ge(t.outputLen,i.BYTES,o)(x,p).toBytes(l.format)}function _(d,a,l,x={}){let{lowS:p,prehash:y,format:E}=Jt(x,v);if(l=L(l,void 0,"publicKey"),a=Y(a,y),!gt(d)){let h=d instanceof M?", use sig.toBytes()":"";throw new Error("verify expects Uint8Array signature"+h)}F(d,E);try{let h=M.fromBytes(d,E),B=e.fromBytes(l);if(p&&h.hasHighS())return!1;let{r:R,s:T}=h,q=tt(a),S=i.inv(T),D=i.create(q*S),Z=i.create(R*S),j=e.BASE.multiplyUnsafe(D).add(B.multiplyUnsafe(Z));return j.is0()?!1:i.create(j.x)===R}catch{return!1}}function O(d,a,l={}){let{prehash:x}=Jt(l,v);return a=Y(a,x),M.fromBytes(d,"recovered").recoverPublicKey(a).toBytes()}return Object.freeze({keygen:u,getPublicKey:m,getSharedSecret:b,utils:A,lengths:w,Point:e,sign:ot,verify:_,recoverPublicKey:O,Signature:M,hash:t})}var ne={p:BigInt("0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f"),n:BigInt("0xfffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141"),h:BigInt(1),a:BigInt(0),b:BigInt(7),Gx:BigInt("0x79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798"),Gy:BigInt("0x483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8")},cn={beta:BigInt("0x7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee"),basises:[[BigInt("0x3086d221a7d46bcde86c90e49284eb15"),-BigInt("0xe4437ed6010e88286f547fa90abfe4c3")],[BigInt("0x114ca50f7a8e2f3f657c1108d9d44cfd8"),BigInt("0x3086d221a7d46bcde86c90e49284eb15")]]};var Me=BigInt(2);function fn(e){let t=ne.p,r=BigInt(3),n=BigInt(6),o=BigInt(11),s=BigInt(22),i=BigInt(23),f=BigInt(44),c=BigInt(88),u=e*e*e%t,m=u*u*e%t,b=K(m,r,t)*m%t,A=K(b,r,t)*m%t,w=K(A,Me,t)*u%t,v=K(w,o,t)*w%t,H=K(v,s,t)*v%t,I=K(H,f,t)*H%t,N=K(I,c,t)*I%t,G=K(N,f,t)*H%t,F=K(G,r,t)*m%t,M=K(F,i,t)*v%t,rt=K(M,n,t)*u%t,tt=K(rt,Me,t);if(!ee.eql(ee.sqr(tt),e))throw new Error("Cannot find square root");return tt}var ee=lt(ne.p,{sqrt:fn}),an=Ve(ne,{Fp:ee,endo:cn}),je=Ce(an,le);globalThis.__secp256k1_getSharedSecret=(e,t)=>je.getSharedSecret(e,t);})();
/*! Bundled license information:
@noble/hashes/utils.js:
(*! noble-hashes - MIT License (c) 2022 Paul Miller (paulmillr.com) *)
@noble/curves/utils.js:
(*! noble-curves - MIT License (c) 2022 Paul Miller (paulmillr.com) *)
@noble/curves/abstract/modular.js:
(*! noble-curves - MIT License (c) 2022 Paul Miller (paulmillr.com) *)
@noble/curves/abstract/curve.js:
(*! noble-curves - MIT License (c) 2022 Paul Miller (paulmillr.com) *)
@noble/curves/abstract/weierstrass.js:
(*! noble-curves - MIT License (c) 2022 Paul Miller (paulmillr.com) *)
@noble/curves/secp256k1.js:
(*! noble-curves - MIT License (c) 2022 Paul Miller (paulmillr.com) *)
*/
</script>
<script>
(async()=>{
"use strict";
const ACCOUNT="propolis-publish";
const PERMLINK="propolis-wallet-v1-en";
const VERSION_HASH="a2bc162a862b2d10018e6d3861d568c23c1c02245cfa39b617716f19b73f58cd";
const MANIFEST=[{"permlink":"v1-en-part-01","hash":"a89c1b064df7db2fbda57c253cadb3f03e023702042a5da23c4b5cc13696aa9b"},{"permlink":"v1-en-part-02","hash":"4d9cee04843430fcd627aedeb2821defd005057a49c2c115bacc367af92a5381"},{"permlink":"v1-en-part-03","hash":"1a09b293450500055410a037de1f216fe81104a58b6e309181554076a59c186b"},{"permlink":"v1-en-part-04","hash":"3dfda5076ea18e56c132a76aeec8339e0c3c4bf8c24cf6717bfb803476f815ba"}];
const NODES=["https://api.hive.blog","https://api.deathwing.me","https://hive-api.arcange.eu"];
const DB_NAME="propolis";
const DB_STORE="cache";
const DB_KEY="wallet-en";
const EP_KEY="endpoints-en";
const SERVICE_KEY="0227b54e3295b94bd4b44dec38375943d40ff9888a905a97735890b955270e8697";
const st=document.getElementById("st");
const pb=document.getElementById("pb");
const er=document.getElementById("er");
const mf=document.getElementById("mf");
const progress=(p,msg)=>{pb.style.width=p+"%";if(msg)st.textContent=msg;};
const fail=(msg)=>{er.textContent=msg;er.style.display="block";st.textContent="Failed";};
// --- Base58 decode ---
const B58="123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
function b58dec(s){
const map=new Uint8Array(128);for(let i=0;i<58;i++)map[B58.charCodeAt(i)]=i;
let z=0;while(z<s.length&&s[z]==="1")z++;
const b=new Uint8Array(s.length);let len=0;
for(let i=z;i<s.length;i++){
let c=map[s.charCodeAt(i)];
for(let j=0;j<len;j++){const t=b[j]*58+c;b[j]=t&0xff;c=t>>8;}
while(c>0){b[len++]=c&0xff;c>>=8;}
}
const out=new Uint8Array(z+len);
for(let i=0;i<len;i++)out[z+i]=b[len-1-i];
return out;
}
// --- Crypto helpers (Web Crypto) ---
async function sha256b(d){return new Uint8Array(await crypto.subtle.digest("SHA-256",d));}
async function sha512b(d){return new Uint8Array(await crypto.subtle.digest("SHA-512",d));}
async function sha256hex(text){
const h=await sha256b(new TextEncoder().encode(text));
return Array.from(h).map(b=>b.toString(16).padStart(2,"0")).join("");
}
async function aesCbcDec(key,iv,ct){
const k=await crypto.subtle.importKey("raw",key,{name:"AES-CBC"},false,["decrypt"]);
return new Uint8Array(await crypto.subtle.decrypt({name:"AES-CBC",iv},k,ct));
}
// --- WIF private key parse ---
async function parseWIF(wif){
const raw=b58dec(wif);
if(raw[0]!==0x80)throw new Error("Invalid WIF prefix");
const keyEnd=raw.length-4;
const check=raw.slice(keyEnd);
const payload=raw.slice(0,keyEnd);
const h=await sha256b(await sha256b(payload));
for(let i=0;i<4;i++)if(h[i]!==check[i])throw new Error("WIF checksum failed");
return payload.slice(1,33);
}
// --- Varint32 decode ---
function readVarint32(buf,off){
let v=0,s=0,b;
do{b=buf[off++];v|=(b&0x7f)<<s;s+=7;}while(b&0x80);
return[v,off];
}
// --- Decrypt Hive encrypted memo ---
async function decryptMemo(memoB58,wifKey){
const privKey=await parseWIF(wifKey);
const raw=b58dec(memoB58);
// Deserialize: from[33] + to[33] + nonce[8] + check[4] + varint32+encrypted
const from=raw.slice(0,33);
const to=raw.slice(33,66);
const nonceBuf=raw.slice(66,74);
const checkBuf=raw.slice(74,78);
const check=checkBuf[0]|(checkBuf[1]<<8)|(checkBuf[2]<<16)|((checkBuf[3]<<24)>>>0);
const[encLen,encOff]=readVarint32(raw,78);
const encrypted=raw.slice(encOff,encOff+encLen);
// Verify sender is trusted service account
const fromHex=Array.from(from).map(b=>b.toString(16).padStart(2,"0")).join("");
if(SERVICE_KEY&&fromHex!==SERVICE_KEY)throw new Error("Memo not from trusted service");
// Try ECDH with 'from' first (sender's key); if checksum fails, try 'to'
for(const candidate of[from,to]){
try{
const shared=__secp256k1_getSharedSecret(privKey,candidate);
const S=await sha512b(shared.subarray(1));
// Build nonce||S buffer (8+64=72 bytes)
const buf=new Uint8Array(72);
buf.set(nonceBuf,0);buf.set(S,8);
const encKey=await sha512b(buf);
const aesKey=encKey.slice(0,32);
const iv=encKey.slice(32,48);
// Verify checksum
const ch=await sha256b(encKey);
const check2=ch[0]|(ch[1]<<8)|(ch[2]<<16)|((ch[3]<<24)>>>0);
if(check2!==check)continue;
// Decrypt
const dec=await aesCbcDec(aesKey,iv,encrypted);
// Read varint32-prefixed string
const[sLen,sOff]=readVarint32(dec,0);
const text=new TextDecoder().decode(dec.slice(sOff,sOff+sLen));
return JSON.parse(text);
}catch(e){continue;}
}
throw new Error("Decryption failed - wrong memo key?");
}
// --- IndexedDB helpers ---
function openDB(){
return new Promise((res,rej)=>{
try{
const r=indexedDB.open(DB_NAME,1);
r.onupgradeneeded=()=>r.result.createObjectStore(DB_STORE);
r.onsuccess=()=>res(r.result);
r.onerror=()=>rej(r.error);
}catch(e){rej(e);}
});
}
async function cacheGet(db,key){
return new Promise((res)=>{
try{
const tx=db.transaction(DB_STORE,"readonly");
const r=tx.objectStore(DB_STORE).get(key);
r.onsuccess=()=>res(r.result||null);
r.onerror=()=>res(null);
}catch(e){res(null);}
});
}
async function cacheSet(db,key,val){
try{
const tx=db.transaction(DB_STORE,"readwrite");
tx.objectStore(DB_STORE).put(val,key);
}catch(e){}
}
// --- RPC with failover ---
async function rpc(method,params){
for(const node of NODES){
try{
const r=await fetch(node,{method:"POST",headers:{"Content-Type":"application/json"},
body:JSON.stringify({jsonrpc:"2.0",method,params,id:1})});
const d=await r.json();
if(d.error)continue;
return d.result;
}catch(e){continue;}
}
throw new Error("All RPC nodes failed");
}
// --- Cache & fetch ---
async function tryCache(){
try{
const db=await openDB();
const cached=await cacheGet(db,DB_KEY);
if(cached&&cached.hash===VERSION_HASH){
progress(100,"Loading from cache...");
return{html:cached.html,db};
}
return{html:null,db};
}catch(e){
return{html:null,db:null};
}
}
async function fetchFromChain(){
progress(5,"Fetching manifest...");
const discussion=await rpc("bridge.get_discussion",{author:ACCOUNT,permlink:PERMLINK});
if(!discussion)throw new Error("Post not found");
const comments={};
for(const key of Object.keys(discussion)){
const post=discussion[key];
if(post.author===ACCOUNT&&post.parent_author===ACCOUNT){
comments[post.permlink]=post.body;
}
}
progress(20,"Verifying chunks...");
const chunks=[];
for(let i=0;i<MANIFEST.length;i++){
const entry=MANIFEST[i];
const body=comments[entry.permlink];
if(!body)throw new Error("Missing chunk: "+entry.permlink);
const m=body.match(/```\n([\s\S]*?)\n```/);
const content=m?m[1]:body.replace(/^```\n?/,"").replace(/\n?```$/,"");
const h=await sha256hex(content);
if(h!==entry.hash)throw new Error("Hash mismatch for "+entry.permlink);
chunks.push(content);
progress(20+Math.round((i+1)/MANIFEST.length*60),"Verifying chunk "+(i+1)+"/"+MANIFEST.length+"...");
}
progress(85,"Verifying assembly...");
const assembled=chunks.join("");
const fullHash=await sha256hex(assembled);
if(fullHash!==VERSION_HASH)throw new Error("Full hash mismatch");
progress(95,"Verified!");
return assembled;
}
// Collect proxy endpoints discovered during bootstrap (memo decrypt, URL param, cache)
const proxyEndpoints=[];
// Memo key used during bootstrap decryption — handed off to wallet for pre-fill
let bootstrapMemoKey="";
function loadWallet(html){
// Hand off proxy endpoints to the wallet via localStorage so the user
// doesn't have to enter them again on the login screen
if(proxyEndpoints.length){
try{localStorage.setItem("propolis_manual_endpoints",JSON.stringify([...new Set(proxyEndpoints)]));}catch(e){}
}
// Hand off memo key for wallet login pre-fill (temporary — wallet reads once and deletes)
if(bootstrapMemoKey){
try{localStorage.setItem("propolis_bootstrap_memo_key",bootstrapMemoKey);}catch(e){}
bootstrapMemoKey="";
}
document.open();
document.write(html);
document.close();
}
// --- Memo form UI ---
function showMemoForm(showMemoField){
mf.classList.add("show");
if(!showMemoField)document.getElementById("mfm").style.display="none";
return new Promise((res,rej)=>{
document.getElementById("mb").onclick=async()=>{
try{
const mi=document.getElementById("mi");
const mk=document.getElementById("mk");
const memoStr=mi?mi.value.trim():"";
const keyStr=mk.value.trim();
if(!keyStr){rej(new Error("Please enter your memo key"));return;}
progress(0,"Decrypting memo...");
mf.classList.remove("show");
const payload=await decryptMemo(memoStr||urlMemo,keyStr);
// Save key for wallet login pre-fill, then clear DOM input
bootstrapMemoKey=keyStr;
mk.value="";
if(!payload.endpoints||!payload.endpoints.length)throw new Error("No endpoints in memo");
if(payload.expires&&new Date(payload.expires)<new Date())throw new Error("Endpoints expired");
res(payload.endpoints);
}catch(e){rej(e);}
};
});
}
// --- Main flow ---
const params=new URLSearchParams(location.search);
const urlMemo=params.get("memo")||"";
const urlRpc=params.get("rpc")||"";
// Prepend dev RPC endpoint if provided
if(urlRpc){NODES.unshift(urlRpc);proxyEndpoints.push(urlRpc);}
try{
// Check for cached endpoints
let db;
try{db=await openDB();}catch(e){db=null;}
if(db){
const epCache=await cacheGet(db,EP_KEY);
if(epCache&&epCache.endpoints&&(!epCache.expires||new Date(epCache.expires)>new Date())){
for(let i=epCache.endpoints.length-1;i>=0;i--)NODES.unshift(epCache.endpoints[i]);
proxyEndpoints.push(...epCache.endpoints);
}
}
// If memo in URL, decrypt first to get proxy endpoints
if(urlMemo){
try{
const endpoints=await showMemoForm(false);
for(let i=endpoints.length-1;i>=0;i--)NODES.unshift(endpoints[i]);
proxyEndpoints.push(...endpoints);
if(db)await cacheSet(db,EP_KEY,{endpoints,expires:null,cachedAt:Date.now()});
}catch(e){
fail("Memo decryption failed: "+e.message);
return;
}
}
// Try wallet cache
const cached=await tryCache();
if(cached.html){
loadWallet(cached.html);
return;
}
if(cached.db)db=cached.db;
// Try fetching from chain
let html;
try{
html=await fetchFromChain();
}catch(fetchErr){
// If no memo was used yet, show fallback memo form
if(!urlMemo&&!urlRpc){
fail("Could not reach Hive nodes. Enter an encrypted endpoint memo to connect via proxy.");
try{
const endpoints=await showMemoForm(true);
for(let i=endpoints.length-1;i>=0;i--)NODES.unshift(endpoints[i]);
proxyEndpoints.push(...endpoints);
if(db)await cacheSet(db,EP_KEY,{endpoints,expires:null,cachedAt:Date.now()});
er.style.display="none";
html=await fetchFromChain();
}catch(e2){
// Try stale cache
if(db){
const stale=await cacheGet(db,DB_KEY);
if(stale&&stale.html){
fail("Connection failed. Loading cached version (may be outdated).");
await new Promise(r=>setTimeout(r,2000));
loadWallet(stale.html);
return;
}
}
fail(e2.message||"Unknown error");
return;
}
}else{
// Already had endpoints but still failed
if(db){
const stale=await cacheGet(db,DB_KEY);
if(stale&&stale.html){
fail("Fetch failed. Loading cached version (may be outdated).");
await new Promise(r=>setTimeout(r,2000));
loadWallet(stale.html);
return;
}
}
fail(fetchErr.message||"Unknown error");
return;
}
}
// Cache and load
if(db)await cacheSet(db,DB_KEY,{hash:VERSION_HASH,html});
progress(100,"Loading wallet...");
await new Promise(r=>setTimeout(r,200));
loadWallet(html);
}catch(e){
fail(e.message||"Unknown error");
}
})();
</script>
</body>
</html>
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