Fetch each avatar author from the relay once per document so older cached profiles do not hide newly published pictures. Share concurrent refresh requests and retain the fast cache path for names. Rebuild the vendored profile loader. Validation: 176 JavaScript tests, browser bundle verification, Go web UI tests, and a browser regression using the actual Slate profile with an older cached profile.
- commit
- f8cb2a513e47930a287142ccbae74fcd5c0758d1
- parent
- bcdaf4eb7f768d1575417cf60eb6a8cf9843c47c
- author
- Dami <dami.etoile@gmail.com>
| M | internal/ | 2 | +- |
| M | internal/ | 4 | +- |
| M | scripts/ | 12 | ++++--- |
| A | scripts/ | 50 | ++++++++++++++++++++++++++++++ |
| M | scripts/ | 7 | +++- |
@@ -1,11 +1,11 @@
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ht={p:BigInt("0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f"),n:BigInt("0xfffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141"),h:BigInt(1),a:BigInt(0),b:BigInt(7),Gx:BigInt("0x79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798"),Gy:BigInt("0x483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8")},is={beta:BigInt("0x7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee"),basises:[[BigInt("0x3086d221a7d46bcde86c90e49284eb15"),-BigInt("0xe4437ed6010e88286f547fa90abfe4c3")],[BigInt("0x114ca50f7a8e2f3f657c1108d9d44cfd8"),BigInt("0x3086d221a7d46bcde86c90e49284eb15")]]},cs=BigInt(0),tn=BigInt(2);function as(t){let 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o=this.ZERO,s=this.BASE,i=Yt(e,this.bits);for(let c=0;c<i.windows;c++){let{nextN:a,offset:u,isZero:h,isNeg:f,isNegF:p,offsetF:d}=or(r,c,i);r=a,h?s=s.add(Me(p,n[d])):o=o.add(Me(f,n[u]))}return sr(r),{p:o,f:s}}wNAFUnsafe(e,n,r,o=this.ZERO){let s=Yt(e,this.bits);for(let i=0;i<s.windows&&r!==ke;i++){let{nextN:c,offset:a,isZero:u,isNeg:h}=or(r,i,s);if(r=c,!u){let f=n[a];o=o.add(h?f.negate():f)}}return sr(r),o}getPrecomputes(e,n,r){let o=Jt.get(n);return o||(o=this.precomputeWindow(n,e),e!==1&&(typeof r=="function"&&(o=r(o)),Jt.set(n,o))),o}cached(e,n,r){let o=Xt(e);return this.wNAF(o,this.getPrecomputes(o,e,r),n)}unsafe(e,n,r,o){let s=Xt(e);return s===1?this._unsafeLadder(e,n,o):this.wNAFUnsafe(s,this.getPrecomputes(s,e,r),n,o)}createCache(e,n){cr(n,this.bits),ar.set(e,n),Jt.delete(e)}hasCache(e){return Xt(e)!==1}};function lr(t,e,n,r){let o=e,s=t.ZERO,i=t.ZERO;for(;n>ke||r>ke;)n&Ee&&(s=s.add(o)),r&Ee&&(i=i.add(o)),o=o.double(),n>>=Ee,r>>=Ee;return{p1:s,p2:i}}function ir(t,e,n){if(e){if(e.ORDER!==t)throw new Error("Field.ORDER must match order: Fp == p, Fn == n");return tr(e),e}else return Le(t,{isLE:n})}function fr(t,e,n={},r){if(r===void 0&&(r=t==="edwards"),!e||typeof e!="object")throw new Error(`expected valid ${t} CURVE object`);for(let a of["p","n","h"]){let u=e[a];if(!(typeof u=="bigint"&&u>ke))throw new Error(`CURVE.${a} must be positive bigint`)}let o=ir(e.p,n.Fp,r),s=ir(e.n,n.Fn,r),c=["Gx","Gy","a",t==="weierstrass"?"b":"d"];for(let a of c)if(!o.isValid(e[a]))throw new Error(`CURVE.${a} must be valid field element of CURVE.Fp`);return e=Object.freeze(Object.assign({},e)),{CURVE:e,Fp:o,Fn:s}}function en(t,e){return function(r){let o=t(r);return{secretKey:o,publicKey:e(o)}}}var ur=(t,e)=>(t+(t>=0?e:-e)/rs)/e;function ns(t,e,n){let[[r,o],[s,i]]=e,c=ur(i*t,n),a=ur(-o*t,n),u=t-c*r-a*s,h=-c*o-a*i,f=u<Ve,p=h<Ve;f&&(u=-u),p&&(h=-h);let d=it(Math.ceil(Ft(n)/2))+ft;if(u<Ve||u>=d||h<Ve||h>=d)throw new Error("splitScalar (endomorphism): failed, k="+t);return{k1neg:f,k1:u,k2neg:p,k2:h}}var Ve=BigInt(0),ft=BigInt(1),rs=BigInt(2),lt=BigInt(3),os=BigInt(4);function dr(t,e={}){let n=fr("weierstrass",t,e),{Fp:r,Fn:o}=n,s=n.CURVE,{h:i,n:c}=s;ct(e,{},{allowInfinityPoint:"boolean",clearCofactor:"function",isTorsionFree:"function",fromBytes:"function",toBytes:"function",endo:"object"});let{endo:a}=e;if(a&&(!r.is0(s.a)||typeof a.beta!="bigint"||!Array.isArray(a.basises)))throw new Error('invalid endo: expected "beta": bigint and "basises": array');let u=is(r,o);function h(){if(!r.isOdd)throw new Error("compression is not supported: Field does not have .isOdd()")}function f(T,m,y){let{x:E,y:v}=m.toAffine(),H=r.toBytes(E);if(qt(y,"isCompressed"),y){h();let R=!r.isOdd(v);return pe(ss(R),H)}else return pe(Uint8Array.of(4),H,r.toBytes(v))}function p(T){I(T,void 0,"Point");let{publicKey:m,publicKeyUncompressed:y}=u,E=T.length,v=T[0],H=T.subarray(1);if(E===m&&(v===2||v===3)){let R=r.fromBytes(H);if(!r.isValid(R))throw new Error("bad point: is 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instanceof ge))throw new Error("Weierstrass Point expected")}function tt(T){if(!a||!a.basises)throw new Error("no endo");return ns(T,a.basises,o.ORDER)}let nt=jt((T,m)=>{let{X:y,Y:E,Z:v}=T;if(r.eql(v,r.ONE))return{x:y,y:E};let H=T.is0();m==null&&(m=H?r.ONE:r.inv(v));let R=r.mul(y,m),A=r.mul(E,m),g=r.mul(v,m);if(H)return{x:r.ZERO,y:r.ZERO};if(!r.eql(g,r.ONE))throw new Error("invZ was invalid");return{x:R,y:A}}),Mo=jt(T=>{if(T.is0()){if(e.allowInfinityPoint&&!r.is0(T.Y))return;throw new Error("bad point: ZERO")}let{x:m,y}=T.toAffine();if(!r.isValid(m)||!r.isValid(y))throw new Error("bad point: x or y not field elements");if(!w(m,y))throw new Error("bad point: equation left != right");if(!T.isTorsionFree())throw new Error("bad point: not in prime-order subgroup");return!0});function Un(T,m,y,E,v){return y=new ge(r.mul(y.X,T),y.Y,y.Z),m=Me(E,m),y=Me(v,y),m.add(y)}let k=class k{constructor(m,y,E){l(this,"X");l(this,"Y");l(this,"Z");this.X=U("x",m),this.Y=U("y",y,!0),this.Z=U("z",E),Object.freeze(this)}static CURVE(){return s}static fromAffine(m){let{x:y,y:E}=m||{};if(!m||!r.isValid(y)||!r.isValid(E))throw new Error("invalid affine point");if(m instanceof k)throw new Error("projective point not allowed");return r.is0(y)&&r.is0(E)?k.ZERO:new k(y,E,r.ONE)}static fromBytes(m){let y=k.fromAffine(b(I(m,void 0,"point")));return y.assertValidity(),y}static fromHex(m){return k.fromBytes(De(m))}get x(){return this.toAffine().x}get y(){return this.toAffine().y}precompute(m=8,y=!0){return Ue.createCache(this,m),y||this.multiply(lt),this}assertValidity(){Mo(this)}hasEvenY(){let{y:m}=this.toAffine();if(!r.isOdd)throw new Error("Field doesn't support isOdd");return!r.isOdd(m)}equals(m){et(m);let{X:y,Y:E,Z:v}=this,{X:H,Y:R,Z:A}=m,g=r.eql(r.mul(y,A),r.mul(H,v)),S=r.eql(r.mul(E,A),r.mul(R,v));return g&&S}negate(){return new 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D=r.mul(D,Q),Q=r.add(C,K),D=r.sub(D,Q),Q=r.add(E,v),g=r.add(R,A),Q=r.mul(Q,g),g=r.add(j,K),Q=r.sub(Q,g),B=r.mul($,D),g=r.mul(O,K),B=r.add(g,B),g=r.sub(j,B),B=r.add(j,B),S=r.mul(g,B),j=r.add(C,C),j=r.add(j,C),K=r.mul($,K),D=r.mul(O,D),j=r.add(j,K),K=r.sub(C,K),K=r.mul($,K),D=r.add(D,K),C=r.mul(j,D),S=r.add(S,C),C=r.mul(Q,D),g=r.mul(Be,g),g=r.sub(g,C),C=r.mul(Be,j),B=r.mul(Q,B),B=r.add(B,C),new k(g,S,B)}subtract(m){return this.add(m.negate())}is0(){return this.equals(k.ZERO)}multiply(m){let{endo:y}=e;if(!o.isValidNot0(m))throw new Error("invalid scalar: out of range");let E,v,H=R=>Ue.cached(this,R,A=>Qt(k,A));if(y){let{k1neg:R,k1:A,k2neg:g,k2:S}=tt(m),{p:B,f:$}=H(A),{p:O,f:C}=H(S);v=$.add(C),E=Un(y.beta,B,O,R,g)}else{let{p:R,f:A}=H(m);E=R,v=A}return Qt(k,[E,v])[0]}multiplyUnsafe(m){let{endo:y}=e,E=this;if(!o.isValid(m))throw new Error("invalid scalar: out of range");if(m===Ve||E.is0())return k.ZERO;if(m===ft)return E;if(Ue.hasCache(this))return 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t=(location.pathname.match(/^\/r\/[^/]+/)||[""])[0];return(location.protocol==="https:"?"wss://":"ws://")+location.host+t},_n="tiny:names:v1",Ws=360*60,qs=600,Eo=50,$s=100,vo=()=>{try{return JSON.parse(localStorage.getItem(_n)||"{}")||{}}catch{return{}}},Gs=t=>{try{localStorage.setItem(_n,JSON.stringify(t))}catch{}},Ao=new Map,Oe=new Map,So=new Set,_t=null,Ro=(t,e)=>e?.event?Qe(e.event):oe(t),Bo=async()=>{_t=null;let t=[...Oe.keys()].slice(0,$s);if(!t.length)return;let e=vo(),n=Math.floor(Date.now()/1e3),r=[];try{r=await go.querySync([wo()],{kinds:[0],authors:t})}catch{}let o=new Map;for(let s of r)(!o.has(s.pubkey)||o.get(s.pubkey).created_at<s.created_at)&&o.set(s.pubkey,s);for(let s of t){let i=o.get(s)||e[s]?.event||null;e[s]={event:i,at:n};let c=Ro(s,e[s]);Ao.set(s,c),So.add(s);for(let a of Oe.get(s)||[])a(c);Oe.delete(s)}Gs(e),Oe.size&&(_t=setTimeout(Bo,Eo))},To=({pubkey:t,refresh:e=!1})=>{let n=String(t||"").toLowerCase();if(!/^[0-9a-f]{64}$/.test(n))return Promise.resolve(oe(n||"0".repeat(64)));let r=e&&!So.has(n),o=vo()[n],s=Math.floor(Date.now()/1e3);return!r&&o&&s-o.at<(o.event?Ws:qs)?Promise.resolve(Ao.get(n)||Ro(n,o)):new Promise(i=>{Oe.set(n,[...Oe.get(n)||[],i]),_t||(_t=setTimeout(Bo,Eo))})};window.nostrSharedMetadataLoader=window.nostrSharedMetadataLoader||(t=>To(typeof t=="string"?{pubkey:t}:t));window.tinyNames=Object.freeze({load:To,relayURL:wo,cacheKey:_n});var Ho=5e3;function Co(t){let{prefix:e,words:n}=te.decode(t,Ho),r=new Uint8Array(te.fromWords(n));switch(e){case"nprofile":{let o=On(r);if(!o[0]?.[0])throw new Error("missing TLV 0 for nprofile");if(o[0][0].length!==32)throw new Error("TLV 0 should be 32 bytes");return{type:"nprofile",data:{pubkey:W(o[0][0]),relays:o[1]?o[1].map(s=>$e.decode(s)):[]}}}case"nevent":{let o=On(r);if(!o[0]?.[0])throw new Error("missing TLV 0 for nevent");if(o[0][0].length!==32)throw new Error("TLV 0 should be 32 bytes");if(o[2]&&o[2][0].length!==32)throw new Error("TLV 2 should be 32 bytes");if(o[3]&&o[3][0].length!==4)throw new Error("TLV 3 should be 4 bytes");return{type:"nevent",data:{id:W(o[0][0]),relays:o[1]?o[1].map(s=>$e.decode(s)):[],author:o[2]?.[0]?W(o[2][0]):void 0,kind:o[3]?.[0]?parseInt(W(o[3][0]),16):void 0}}}case"naddr":{let o=On(r);if(!o[0]?.[0])throw new Error("missing TLV 0 for naddr");if(!o[2]?.[0])throw new Error("missing TLV 2 for naddr");if(o[2][0].length!==32)throw new Error("TLV 2 should be 32 bytes");if(!o[3]?.[0])throw new Error("missing TLV 3 for naddr");if(o[3][0].length!==4)throw new Error("TLV 3 should be 4 bytes");return{type:"naddr",data:{identifier:$e.decode(o[0][0]),pubkey:W(o[2][0]),kind:parseInt(W(o[3][0]),16),relays:o[1]?o[1].map(s=>$e.decode(s)):[]}}}case"nsec":return{type:e,data:r};case"npub":case"note":return{type:e,data:W(r)};default:throw new Error(`unknown prefix ${e}`)}}function On(t){let e={},n=t;for(;n.length>0;){let r=n[0],o=n[1],s=n.slice(2,2+o);if(n=n.slice(2+o),s.length<o)throw new Error(`not enough data to read on TLV ${r}`);e[r]=e[r]||[],e[r].push(s)}return e}function Lo(t){return js("npub",ve(t))}function Fs(t,e){let n=te.toWords(e);return te.encode(t,n,Ho)}function js(t,e){return Fs(t,e)}var Ks=/^(?:([\w.+-]+)@)?([\w_-]+(\.[\w_-]+)+)$/;var ko;try{ko=fetch}catch{}async function Io(t){let e=t.match(Ks);if(!e)return null;let[,n="_",r]=e;try{let o=`https://${r}/.well-known/nostr.json?name=${n}`,s=await ko(o,{redirect:"manual"});if(s.status!==200)throw Error("Wrong response code");let i=await s.json(),c=i.names[n];return c?{pubkey:c,relays:i.relays?.[c]}:null}catch{return null}}var _o=window.nostrSharedPool||new _e;window.nostrSharedPool=_o;ho(_o);var zs=window.nostrSharedRelayListLoader||Xe;window.nostrSharedRelayListLoader=zs;var Oo=window.nostrSharedMetadataLoader||mo;window.nostrSharedMetadataLoader=Oo;async function Uo(t,e){return await Oo({pubkey:t,relays:e})}async function Po(t){try{let{type:e,data:n}=Co(t);if(e==="nprofile")return[n.pubkey,n.relays||[]];if(e==="npub")return[n,[]]}catch{if(t.match(/[0-9a-f]{64}/))return[t,[]];if(t.match(".")){let e=await Io(t);return e?[e.pubkey,e.relays||[]]:[void 0]}}return[void 0]}function Do(t,e=100){let n,r,o;function s(){let i=Date.now()-r;i<e&&i>=0?n=setTimeout(s,e-i):(n=void 0,t(...o))}return function(...i){r=Date.now(),o=i,n||(n=setTimeout(s,e))}}var Zs=Object.defineProperty,Ys=(t,e,n)=>e in t?Zs(t,e,{enumerable:!0,configurable:!0,writable:!0,value:n}):t[e]=n,No=(t,e,n)=>Ys(t,typeof e!="symbol"?e+"":e,n),Ot=class extends HTMLElement{constructor(){super(),No(this,"set",Do(async()=>{let e=this.getAttribute("pubkey");if(e){this.textContent=oe(e).shortName;let[n,r]=await Po(e);if(n){this.title=Lo(n);let o=await Uo(n,r||[]);this.textContent=o.shortName}}},200)),this.set()}connectedCallback(){this.set()}attributeChangedCallback(){this.set()}};No(Ot,"observedAttributes",["pubkey"]);window.customElements.define("nostr-name",Ot);})();99 /*! Bundled license information:1010 1111 @noble/hashes/utils.js:@@ -8,7 +8,7 @@ const avatarSource = source.slice(source.indexOf(" class NostrAvatar "), source
88 const key = "a".repeat(64);99 1010 function setup(userPromise) {11- const images = [];11+ const images = [], requests = [];1212 const document = {1313 createTextNode: text => ({textContent: text}),1414 createElement: name => {@@ -17,7 +17,7 @@ function setup(userPromise) {
1717 return image;1818 }1919 };20- const window = {tinyNames: {load: () => typeof userPromise === "function" ? userPromise() : userPromise}};20+ const window = {tinyNames: {load: request => { requests.push(request); return typeof userPromise === "function" ? userPromise() : userPromise; }}};2121 const HTMLElement = class {2222 constructor() { this.attributes = {}; this.children = []; }2323 getAttribute(name) { return this.attributes[name] ?? null; }@@ -28,11 +28,11 @@ function setup(userPromise) {
2828 const Constructor = vm.runInNewContext(`${avatarSource}\nNostrAvatar`, {HTMLElement, window, document, URL, Promise, String, setTimeout, el});2929 const component = new Constructor();3030 component.attributes.pubkey = key;31- return {component, images};31+ return {component, images, requests};3232 }3333 34-test("loads a safe profile image with privacy attributes", async () => {35- const {component, images} = setup(Promise.resolve({image: "https://cdn.example/avatar.png"}));34+test("loads a fresh profile image with privacy attributes", async () => {35+ const {component, requests} = setup(Promise.resolve({image: "https://cdn.example/avatar.png"}));3636 component.connectedCallback();3737 await new Promise(resolve => setTimeout(resolve, 0));3838 const image = component.children[0];@@ -40,6 +40,8 @@ test("loads a safe profile image with privacy attributes", async () => {
4040 assert.equal(image.loading, "lazy");4141 assert.equal(image.referrerPolicy, "no-referrer");4242 assert.equal(image.alt, "");43+ assert.equal(requests[0].pubkey, key);44+ assert.equal(requests[0].refresh, true);4345 });4446 4547 test("keeps the two character fallback for missing or unsafe pictures", async () => {@@ -0,0 +1,50 @@
1+import test from "node:test";2+import assert from "node:assert/strict";3+import fs from "node:fs";4+import vm from "node:vm";5+6+const source = fs.readFileSync("scripts/nostr-name-setup.mjs", "utf8")7+ .replace(/^import .*\n/gm, "");8+const key = "a".repeat(64);9+10+function setup(initial, events) {11+ const store = {"tiny:names:v1": JSON.stringify(initial)};12+ let queries = 0;13+ const pool = {querySync: async () => { queries++; return events; }};14+ const window = {nostrSharedPool: pool};15+ const context = {16+ window, localStorage: {getItem: key => store[key] ?? null, setItem: (key, value) => { store[key] = value; }},17+ location: {pathname: "/rooms/x", protocol: "https:", host: "tiny.example"},18+ SimplePool: class {},19+ bareNostrUser: pubkey => ({pubkey, image: undefined}),20+ nostrUserFromEvent: event => ({pubkey: event.pubkey, image: JSON.parse(event.content).picture}),21+ JSON, Date, Promise, String, RegExp, Math, setTimeout, clearTimeout22+ };23+ vm.runInNewContext(source, context);24+ return {load: window.tinyNames.load, queries: () => queries};25+}26+27+const old = {pubkey: key, created_at: 1, content: JSON.stringify({name: "old"})};28+const fresh = {pubkey: key, created_at: 2, content: JSON.stringify({name: "new", picture: "https://cdn.example/slate.png"})};29+30+test("refresh bypasses an old image-less cached profile once", async () => {31+ const {load, queries} = setup({[key]: {event: old, at: Math.floor(Date.now() / 1000)}}, [fresh]);32+ const user = await load({pubkey: key, refresh: true});33+ assert.equal(user.image, "https://cdn.example/slate.png");34+ assert.equal(queries(), 1);35+});36+37+test("concurrent refresh callers share one batch and later refreshes use it", async () => {38+ const {load, queries} = setup({[key]: {event: old, at: Math.floor(Date.now() / 1000)}}, [fresh]);39+ const users = await Promise.all(Array.from({length: 8}, () => load({pubkey: key, refresh: true})));40+ assert.equal(queries(), 1);41+ assert.ok(users.every(user => user.image === "https://cdn.example/slate.png"));42+ assert.equal((await load({pubkey: key, refresh: true})).image, "https://cdn.example/slate.png");43+ assert.equal(queries(), 1);44+});45+46+test("normal loads continue using a fresh cached profile without querying", async () => {47+ const {load, queries} = setup({[key]: {event: fresh, at: Math.floor(Date.now() / 1000)}}, []);48+ assert.equal((await load({pubkey: key})).image, "https://cdn.example/slate.png");49+ assert.equal(queries(), 0);50+});@@ -31,6 +31,7 @@ const writeCache = cache => {
3131 3232 const users = new Map(); // pubkey -> NostrUser, from cache or the relay3333 const pending = new Map(); // pubkey -> [resolve]34+const refreshed = new Set(); // pubkeys explicitly refreshed once in this document3435 let timer = null;3536 3637 const userFor = (pubkey, entry) => entry?.event ? nostrUserFromEvent(entry.event) : bareNostrUser(pubkey);@@ -54,6 +55,7 @@ const flush = async () => {
5455 cache[key] = {event, at: now};5556 const user = userFor(key, cache[key]);5657 users.set(key, user);58+ refreshed.add(key);5759 for (const resolve of pending.get(key) || []) resolve(user);5860 pending.delete(key);5961 }@@ -63,12 +65,13 @@ const flush = async () => {
6365 6466 // load answers like @nostr/gadgets' loadNostrUser: a NostrUser from cache,6567 // refreshed from this relay when stale, with a placeholder while unknown.66-const load = ({pubkey}) => {68+const load = ({pubkey, refresh = false}) => {6769 const key = String(pubkey || "").toLowerCase();6870 if (!/^[0-9a-f]{64}$/.test(key)) return Promise.resolve(bareNostrUser(key || "0".repeat(64)));71+ const force = refresh && !refreshed.has(key);6972 const cached = readCache()[key];7073 const now = Math.floor(Date.now() / 1000);71- if (cached && now - cached.at < (cached.event ? FRESH : MISSING)) return Promise.resolve(users.get(key) || userFor(key, cached));74+ if (!force && cached && now - cached.at < (cached.event ? FRESH : MISSING)) return Promise.resolve(users.get(key) || userFor(key, cached));7275 return new Promise(resolve => {7376 pending.set(key, [...(pending.get(key) || []), resolve]);7477 if (!timer) timer = setTimeout(flush, BATCH);