anchor-link - npm Package Compare versions

Comparing version 3.0.0-beta3 to 3.0.0-beta4

lib/index.esm.js

@@ -16,3 +16,3 @@ import e from"pako";import{Struct as t,UInt64 as s,Serializer as i,Bytes as r,Checksum256 as n,PermissionLevel as a,PublicKey as o,Name as c,PrivateKey as l,APIClient as h,Signature as u,SignedTransaction as p}from"@greymass/eosio";import{ChainId as d,SigningRequest as f,ResolvedSigningRequest as m,PlaceholderName as g,PlaceholderPermission as y}from"eosio-signing-request";export{PlaceholderAuth,PlaceholderName,PlaceholderPermission}from"eosio-signing-request";import w from"fetch-ponyfill";import{AES_CBC as k}from"asmcrypto.js";import{v4 as b}from"uuid";import S from"isomorphic-ws";class v extends Error{constructor(e){super("User canceled request "+(e?"("+e+")":"")),this.code="E_CANCEL"}}class _ extends Error{constructor(e){super("Unable to verify identity "+(e?"("+e+")":"")),this.code="E_IDENTITY"}}class q extends Error{constructor(e,t){super(e),this.code=t}}var x;
 ***************************************************************************** */
-function E(e,t,s,i){var r,n=arguments.length,a=n<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,s):i;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)a=Reflect.decorate(e,t,s,i);else for(var o=e.length-1;o>=0;o--)(r=e[o])&&(a=(n<3?r(a):n>3?r(t,s,a):r(t,s))||a);return n>3&&a&&Object.defineProperty(t,s,a),a}!function(e){e.defaults={chainId:"aca376f206b8fc25a6ed44dbdc66547c36c6c33e3a119ffbeaef943642f0e906",client:"https://eos.greymass.com",service:"https://cb.anchor.link"}}(x||(x={}));let P=class extends t{};E([t.field("public_key")],P.prototype,"from",void 0),E([t.field("uint64")],P.prototype,"nonce",void 0),E([t.field("bytes")],P.prototype,"ciphertext",void 0),E([t.field("uint32")],P.prototype,"checksum",void 0),P=E([t.type("sealed_message")],P);let K=class extends t{};E([t.field("name")],K.prototype,"session_name",void 0),E([t.field("public_key")],K.prototype,"request_key",void 0),K=E([t.type("link_create")],K);let I=class extends t{};E([t.field("time_point_sec")],I.prototype,"expiration",void 0),I=E([t.type("link_info")],I);const O=w().fetch;class R{async remove(){this.link.storage&&await this.link.removeSession(this.identifier,this.auth)}static restore(e,t){switch(t.type){case"channel":return new N(e,t.data,t.metadata);case"fallback":return new T(e,t.data,t.metadata);default:throw new Error("Unable to restore, session data invalid")}}}class N extends R{constructor(e,t,h){super(),this.type="channel",this.timeout=12e4,this.link=e,this.auth=a.from(t.auth),this.publicKey=o.from(t.publicKey),this.channel=t.channel,this.identifier=c.from(t.identifier);const u=l.from(t.requestKey),p=o.from(t.channel.key);this.encrypt=e=>function(e,t,a,o){const c=t.sharedSecret(a);o||(o=s.random());const l=i.encode({object:o}).appending(c.array).sha512Digest,h=new k(l.array.slice(0,32),l.array.slice(32,48)),u=r.from(h.encrypt(r.from(e,"utf8").array)),p=new DataView(n.hash(l.array).array.buffer).getUint32(0,!0);return P.from({from:t.toPublic(),nonce:o,ciphertext:u,checksum:p})}(e.encode(!0,!1),u,p),this.metadata={...h||{},timeout:this.timeout,name:this.channel.name},this.serialize=()=>({type:"channel",data:t,metadata:this.metadata})}onSuccess(e,t){this.link.transport.onSuccess&&this.link.transport.onSuccess(e,t)}onFailure(e,t){this.link.transport.onFailure&&this.link.transport.onFailure(e,t)}onRequest(e,t){const s=I.from({expiration:new Date(Date.now()+this.timeout).toISOString().slice(0,-1)});this.link.transport.onSessionRequest&&this.link.transport.onSessionRequest(this,e,t),setTimeout(()=>{t(new q("Wallet did not respond in time","E_TIMEOUT"))},this.timeout+500),e.setInfoKey("link",s),O(this.channel.url,{method:"POST",headers:{"X-Buoy-Wait":(this.timeout/1e3).toFixed(0)},body:i.encode({object:this.encrypt(e)}).array}).then(e=>{200!==e.status&&t(new q("Unable to push message","E_DELIVERY"))}).catch(e=>{t(new q(`Unable to reach link service (${e.message||String(e)})`,"E_DELIVERY"))})}prepare(e){return this.link.transport.prepare?this.link.transport.prepare(e,this):Promise.resolve(e)}showLoading(){if(this.link.transport.showLoading)return this.link.transport.showLoading()}makeSignatureProvider(){return this.link.makeSignatureProvider([this.publicKey.toString()],this)}transact(e,t){return this.link.transact(e,t,this)}}class T extends R{constructor(e,t,s){super(),this.type="fallback",this.link=e,this.auth=a.from(t.auth),this.publicKey=o.from(t.publicKey),this.metadata=s||{},this.identifier=c.from(t.identifier),this.serialize=()=>({type:this.type,data:t,metadata:this.metadata})}onSuccess(e,t){this.link.transport.onSuccess&&this.link.transport.onSuccess(e,t)}onFailure(e,t){this.link.transport.onFailure&&this.link.transport.onFailure(e,t)}onRequest(e,t){this.link.transport.onSessionRequest?this.link.transport.onSessionRequest(this,e,t):this.link.transport.onRequest(e,t)}prepare(e){return this.link.transport.prepare?this.link.transport.prepare(e,this):Promise.resolve(e)}showLoading(){if(this.link.transport.showLoading)return this.link.transport.showLoading()}makeSignatureProvider(){return this.link.makeSignatureProvider([this.publicKey.toString()],this)}transact(e,t){return this.link.transact(e,t,this)}}class U{constructor(e){this.address=e.trim().replace(/\/$/,"")}create(){const e=`${this.address}/${b()}`;return new $(e)}}class ${constructor(e){this.url=e,this.ctx={}}wait(){return e=this.url,t=this.ctx,new Promise((s,i)=>{let r=!0,n=0;const a=e.replace(/^http/,"ws"),o=e=>{try{s(JSON.parse(e))}catch(e){e.message="Unable to parse callback JSON: "+e.message,i(e)}},c=()=>{const e=new S(a);t.cancel=()=>{r=!1,e.readyState!==S.OPEN&&e.readyState!==S.CONNECTING||e.close()},e.onmessage=t=>{if(r=!1,e.readyState===S.OPEN&&e.close(),"undefined"!=typeof Blob&&t.data instanceof Blob){const e=new FileReader;e.onload=()=>{o(e.result)},e.onerror=e=>{i(e)},e.readAsText(t.data)}else o("string"==typeof t.data?t.data:t.data.toString())},e.onopen=()=>{n=0},e.onclose=()=>{var e;r&&setTimeout(c,(e=n++,Math.min(Math.pow(10*e,2),1e4)))}};c()});var e,t}cancel(){this.ctx.cancel&&this.ctx.cancel()}}class j{constructor(t){if(this.abiCache=new Map,this.pendingAbis=new Map,"object"!=typeof t)throw new TypeError("Missing options object");if(!t.transport)throw new TypeError("options.transport is required, see https://github.com/greymass/anchor-link#transports");this.client=void 0===t.client||"string"==typeof t.client?new h({url:t.client||x.defaults.client}):t.client,this.chainId=d.from(t.chainId||x.defaults.chainId),this.callbackService=void 0===t.service||"string"==typeof t.service?new U(t.service||x.defaults.service):t.service,this.transport=t.transport,null!==t.storage&&(this.storage=t.storage||this.transport.storage),this.requestOptions={abiProvider:this,zlib:e}}async getAbi(e){const t=e.toString();let s=this.abiCache.get(t);if(!s){let i=this.pendingAbis.get(t);i||(i=this.client.v1.chain.get_abi(e),this.pendingAbis.set(t,i)),s=(await i).abi,this.pendingAbis.delete(t),s&&this.abiCache.set(t,s)}return s}async createRequest(e,t){const s=t||this.transport;let i=await f.create({...e,chainId:this.chainId.toString(),broadcast:!1},this.requestOptions);s.prepare&&(i=await s.prepare(i));const r=this.callbackService.create();return i.setCallback(r.url,!0),{request:i,callback:r}}async sendRequest(e,t,s,i=!1){const r=s||this.transport;try{if(e.data.callback!==t.url)throw new Error("Invalid request callback");if(!0===e.data.flags.broadcast||!1===e.data.flags.background)throw new Error("Invalid request flags");const s=new Promise((s,i)=>{r.onRequest(e,e=>{t.cancel(),i("string"==typeof e?new v(e):e)})}),n=await Promise.race([t.wait(),s]),o=a.from({actor:n.sa,permission:n.sp}),c=Object.keys(n).filter(e=>e.startsWith("sig")&&"sig0"!==e).map(e=>u.from(n[e])),l=await m.fromPayload(n,this.requestOptions),h=l.request.getInfoKey("fuel_sig","string");h&&c.unshift(u.from(h));const d={request:l.request,transaction:l.transaction,resolvedTransaction:l.resolvedTransaction,signatures:c,payload:n,signer:o};if(i){const e=p.from({...l.transaction,signatures:c}),t=await this.client.v1.chain.push_transaction(e);d.processed=t.processed}return r.onSuccess&&r.onSuccess(e,d),d}catch(t){throw r.onFailure&&r.onFailure(e,t),t}}async transact(e,t,s){const i=s||this.transport,r=!t||!1!==t.broadcast;i&&i.showLoading&&i.showLoading();const n=e;e.actions&&(n.expiration||n.ref_block_num||n.ref_block_prefix||n.max_net_usage_words||n.max_cpu_usage_ms||n.delay_sec)&&(e={transaction:{expiration:"1970-01-01T00:00:00",ref_block_num:0,ref_block_prefix:0,max_net_usage_words:0,max_cpu_usage_ms:0,delay_sec:0,...n}});const{request:a,callback:o}=await this.createRequest(e,i);return await this.sendRequest(a,o,i,r)}async identify(e){const{request:t,callback:s}=await this.createRequest({identity:{permission:e.requestPermission,scope:e.scope},info:e.info}),i=await this.sendRequest(t,s);if(!i.request.isIdentity())throw new _("Unexpected response");const r=i.transaction.signingDigest(t.getChainId()),n=i.signatures[0].recoverDigest(r),{signer:o}=i,c=await this.client.v1.chain.get_account(o.actor.toString());if(!c)throw new _("Signature from unknown account: "+o.actor);const l=c.permissions.find(({perm_name:e})=>o.permission.equals(e));if(!l)throw new _(`${o.actor} signed for unknown permission: ${o.permission}`);const h=l.required_auth,u=h.keys.find(({key:e})=>n.equals(e));if(!u)throw new _(D(o)+" has no key matching id signature");if(h.threshold>u.weight)throw new _(D(o)+" signature does not reach auth threshold");if(e.requestPermission){const t=a.from(e.requestPermission);if(!t.actor.equals(g)&&!t.actor.equals(o.actor)||!t.permission.equals(y)&&!t.permission.equals(o.permission))throw new _(`Unexpected identity proof from ${D(o)}, expected ${D(t)} `)}return{...i,account:c,signerKey:n}}async login(e){const t=l.generate("K1"),s=t.toPublic(),i=K.from({session_name:e,request_key:s}),r=await this.identify({scope:e,info:{link:i,scope:e}}),n={sameDevice:void 0!==r.request.getRawInfo().return_path};let a;return a=r.payload.link_ch&&r.payload.link_key&&r.payload.link_name?new N(this,{identifier:e,auth:r.signer,publicKey:r.signerKey,channel:{url:r.payload.link_ch,key:r.payload.link_key,name:r.payload.link_name},requestKey:t},n):new T(this,{identifier:e,auth:r.signer,publicKey:r.signerKey},n),this.storage&&await this.storeSession(e,a),{...r,session:a}}async restoreSession(e,t){if(!this.storage)throw new Error("Unable to restore session: No storage adapter configured");let s;if(t)s=this.sessionKey(e,D(t));else{const t=(await this.listSessions(e))[0];if(!t)return null;s=this.sessionKey(e,D(t))}const i=await this.storage.read(s);if(!i)return null;let r;try{r=JSON.parse(i)}catch(e){throw new Error(`Unable to restore session: Stored JSON invalid (${e.message||String(e)})`)}const n=R.restore(this,r);return t&&await this.touchSession(e,t),n}async listSessions(e){if(!this.storage)throw new Error("Unable to list sessions: No storage adapter configured");const t=this.sessionKey(e,"list");let s;try{s=JSON.parse(await this.storage.read(t)||"[]")}catch(e){throw new Error(`Unable to list sessions: Stored JSON invalid (${e.message||String(e)})`)}return s}async removeSession(e,t){if(!this.storage)throw new Error("Unable to remove session: No storage adapter configured");const s=this.sessionKey(e,D(t));await this.storage.remove(s),await this.touchSession(e,t,!0)}async clearSessions(e){if(!this.storage)throw new Error("Unable to clear sessions: No storage adapter configured");for(const t of await this.listSessions(e))await this.removeSession(e,t)}makeSignatureProvider(e,t){var s=this;return{getAvailableKeys:async function(){return e},sign:async function(e){const r=t||s.transport;let n=f.fromTransaction(e.chainId,e.serializedTransaction,s.requestOptions);const a=s.callbackService.create();n.setCallback(a.url,!0),n.setBroadcast(!1),r.prepare&&(n=await r.prepare(n));const{transaction:o,signatures:c}=await s.sendRequest(n,a,r),l=i.encode({object:o});return{...e,serializedTransaction:l,signatures:c}}}}async touchSession(e,t,s=!1){const i=await this.listSessions(e),r=D(t),n=i.findIndex(e=>D(e)===r);n>=0&&i.splice(n,1),!1===s&&i.unshift(t);const a=this.sessionKey(e,"list");await this.storage.write(a,JSON.stringify(i))}async storeSession(e,t){const s=this.sessionKey(e,D(t.auth)),i=JSON.stringify(t.serialize());await this.storage.write(s,i),await this.touchSession(e,t.auth)}sessionKey(e,t){return[this.chainId.toString(),c.from(e).toString(),t].join("-")}}function D(e){const t=a.from(e),s=t.actor.equals(g)?"<any>":String(t.actor);let i;return i=t.permission.equals(g)||t.permission.equals(y)?"<any>":String(t.permission),`${s}@${i}`}export default j;export{v as CancelError,_ as IdentityError,j as Link,N as LinkChannelSession,T as LinkFallbackSession,x as LinkOptions,R as LinkSession,q as SessionError};
+function E(e,t,s,i){var r,n=arguments.length,a=n<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,s):i;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)a=Reflect.decorate(e,t,s,i);else for(var o=e.length-1;o>=0;o--)(r=e[o])&&(a=(n<3?r(a):n>3?r(t,s,a):r(t,s))||a);return n>3&&a&&Object.defineProperty(t,s,a),a}!function(e){e.defaults={chainId:"aca376f206b8fc25a6ed44dbdc66547c36c6c33e3a119ffbeaef943642f0e906",client:"https://eos.greymass.com",service:"https://cb.anchor.link"}}(x||(x={}));let P=class extends t{};E([t.field("public_key")],P.prototype,"from",void 0),E([t.field("uint64")],P.prototype,"nonce",void 0),E([t.field("bytes")],P.prototype,"ciphertext",void 0),E([t.field("uint32")],P.prototype,"checksum",void 0),P=E([t.type("sealed_message")],P);let K=class extends t{};E([t.field("name")],K.prototype,"session_name",void 0),E([t.field("public_key")],K.prototype,"request_key",void 0),K=E([t.type("link_create")],K);let I=class extends t{};E([t.field("time_point_sec")],I.prototype,"expiration",void 0),I=E([t.type("link_info")],I);const O=w().fetch;class R{async remove(){this.link.storage&&await this.link.removeSession(this.identifier,this.auth)}static restore(e,t){switch(t.type){case"channel":return new N(e,t.data,t.metadata);case"fallback":return new T(e,t.data,t.metadata);default:throw new Error("Unable to restore, session data invalid")}}}class N extends R{constructor(e,t,h){super(),this.type="channel",this.timeout=12e4,this.link=e,this.auth=a.from(t.auth),this.publicKey=o.from(t.publicKey),this.channel=t.channel,this.identifier=c.from(t.identifier);const u=l.from(t.requestKey),p=o.from(t.channel.key);this.encrypt=e=>function(e,t,a,o){const c=t.sharedSecret(a);o||(o=s.random());const l=i.encode({object:o}).appending(c.array).sha512Digest,h=new k(l.array.slice(0,32),l.array.slice(32,48)),u=r.from(h.encrypt(r.from(e,"utf8").array)),p=new DataView(n.hash(l.array).array.buffer).getUint32(0,!0);return P.from({from:t.toPublic(),nonce:o,ciphertext:u,checksum:p})}(e.encode(!0,!1),u,p),this.metadata={...h||{},timeout:this.timeout,name:this.channel.name},this.serialize=()=>({type:"channel",data:t,metadata:this.metadata})}onSuccess(e,t){this.link.transport.onSuccess&&this.link.transport.onSuccess(e,t)}onFailure(e,t){this.link.transport.onFailure&&this.link.transport.onFailure(e,t)}onRequest(e,t){const s=I.from({expiration:new Date(Date.now()+this.timeout).toISOString().slice(0,-1)});this.link.transport.onSessionRequest&&this.link.transport.onSessionRequest(this,e,t),setTimeout(()=>{t(new q("Wallet did not respond in time","E_TIMEOUT"))},this.timeout+500),e.setInfoKey("link",s),O(this.channel.url,{method:"POST",headers:{"X-Buoy-Wait":(this.timeout/1e3).toFixed(0)},body:i.encode({object:this.encrypt(e)}).array}).then(e=>{200!==e.status&&t(new q("Unable to push message","E_DELIVERY"))}).catch(e=>{t(new q(`Unable to reach link service (${e.message||String(e)})`,"E_DELIVERY"))})}prepare(e){return this.link.transport.prepare?this.link.transport.prepare(e,this):Promise.resolve(e)}showLoading(){if(this.link.transport.showLoading)return this.link.transport.showLoading()}makeSignatureProvider(){return this.link.makeSignatureProvider([this.publicKey.toString()],this)}transact(e,t){return this.link.transact(e,t,this)}}class T extends R{constructor(e,t,s){super(),this.type="fallback",this.link=e,this.auth=a.from(t.auth),this.publicKey=o.from(t.publicKey),this.metadata=s||{},this.identifier=c.from(t.identifier),this.serialize=()=>({type:this.type,data:t,metadata:this.metadata})}onSuccess(e,t){this.link.transport.onSuccess&&this.link.transport.onSuccess(e,t)}onFailure(e,t){this.link.transport.onFailure&&this.link.transport.onFailure(e,t)}onRequest(e,t){this.link.transport.onSessionRequest?this.link.transport.onSessionRequest(this,e,t):this.link.transport.onRequest(e,t)}prepare(e){return this.link.transport.prepare?this.link.transport.prepare(e,this):Promise.resolve(e)}showLoading(){if(this.link.transport.showLoading)return this.link.transport.showLoading()}makeSignatureProvider(){return this.link.makeSignatureProvider([this.publicKey.toString()],this)}transact(e,t){return this.link.transact(e,t,this)}}class U{constructor(e){this.address=e.trim().replace(/\/$/,"")}create(){const e=`${this.address}/${b()}`;return new $(e)}}class ${constructor(e){this.url=e,this.ctx={}}wait(){return e=this.url,t=this.ctx,new Promise((s,i)=>{let r=!0,n=0;const a=e.replace(/^http/,"ws"),o=e=>{try{s(JSON.parse(e))}catch(e){e.message="Unable to parse callback JSON: "+e.message,i(e)}},c=()=>{const e=new S(a);t.cancel=()=>{r=!1,e.readyState!==S.OPEN&&e.readyState!==S.CONNECTING||e.close()},e.onmessage=t=>{if(r=!1,e.readyState===S.OPEN&&e.close(),"undefined"!=typeof Blob&&t.data instanceof Blob){const e=new FileReader;e.onload=()=>{o(e.result)},e.onerror=e=>{i(e)},e.readAsText(t.data)}else o("string"==typeof t.data?t.data:t.data.toString())},e.onopen=()=>{n=0},e.onclose=()=>{var e;r&&setTimeout(c,(e=n++,Math.min(Math.pow(10*e,2),1e4)))}};c()});var e,t}cancel(){this.ctx.cancel&&this.ctx.cancel()}}class j{constructor(t){if(this.abiCache=new Map,this.pendingAbis=new Map,"object"!=typeof t)throw new TypeError("Missing options object");if(!t.transport)throw new TypeError("options.transport is required, see https://github.com/greymass/anchor-link#transports");this.client=void 0===t.client||"string"==typeof t.client?new h({url:t.client||x.defaults.client}):t.client,this.chainId=d.from(t.chainId||x.defaults.chainId),this.callbackService=void 0===t.service||"string"==typeof t.service?new U(t.service||x.defaults.service):t.service,this.transport=t.transport,null!==t.storage&&(this.storage=t.storage||this.transport.storage),this.requestOptions={abiProvider:this,zlib:e}}async getAbi(e){const t=e.toString();let s=this.abiCache.get(t);if(!s){let i=this.pendingAbis.get(t);i||(i=this.client.v1.chain.get_abi(e),this.pendingAbis.set(t,i)),s=(await i).abi,this.pendingAbis.delete(t),s&&this.abiCache.set(t,s)}return s}async createRequest(e,t){const s=t||this.transport;let i=await f.create({...e,chainId:this.chainId.toString(),broadcast:!1},this.requestOptions);s.prepare&&(i=await s.prepare(i));const r=this.callbackService.create();return i.setCallback(r.url,!0),{request:i,callback:r}}async sendRequest(e,t,s,i=!1){const r=s||this.transport;try{if(e.data.callback!==t.url)throw new Error("Invalid request callback");if(!0===e.data.flags.broadcast||!1===e.data.flags.background)throw new Error("Invalid request flags");const s=new Promise((s,i)=>{r.onRequest(e,e=>{t.cancel(),i("string"==typeof e?new v(e):e)})}),n=await Promise.race([t.wait(),s]),o=a.from({actor:n.sa,permission:n.sp}),c=Object.keys(n).filter(e=>e.startsWith("sig")&&"sig0"!==e).map(e=>u.from(n[e])),l=await m.fromPayload(n,this.requestOptions),h=l.request.getInfoKey("fuel_sig","string");h&&c.unshift(u.from(h));const d={request:l.request,transaction:l.transaction,resolvedTransaction:l.resolvedTransaction,signatures:c,payload:n,signer:o};if(i){const e=p.from({...l.transaction,signatures:c}),t=await this.client.v1.chain.push_transaction(e);d.processed=t.processed}return r.onSuccess&&r.onSuccess(e,d),d}catch(t){throw r.onFailure&&r.onFailure(e,t),t}}async transact(e,t,s){const i=s||this.transport,r=!t||!1!==t.broadcast;i&&i.showLoading&&i.showLoading();const n=e;e.actions&&(n.expiration||n.ref_block_num||n.ref_block_prefix||n.max_net_usage_words||n.max_cpu_usage_ms||n.delay_sec)&&(e={transaction:{expiration:"1970-01-01T00:00:00",ref_block_num:0,ref_block_prefix:0,max_net_usage_words:0,max_cpu_usage_ms:0,delay_sec:0,...n}});const{request:a,callback:o}=await this.createRequest(e,i);return await this.sendRequest(a,o,i,r)}async identify(e){const{request:t,callback:s}=await this.createRequest({identity:{permission:e.requestPermission,scope:e.scope},info:e.info}),i=await this.sendRequest(t,s);if(!i.request.isIdentity())throw new _("Unexpected response");const r=i.transaction.signingDigest(t.getChainId()),n=i.signatures[0].recoverDigest(r),{signer:o}=i,c=await this.client.v1.chain.get_account(o.actor);if(!c)throw new _("Signature from unknown account: "+o.actor);const l=c.permissions.find(({perm_name:e})=>o.permission.equals(e));if(!l)throw new _(`${o.actor} signed for unknown permission: ${o.permission}`);const h=l.required_auth,u=h.keys.find(({key:e})=>n.equals(e));if(!u)throw new _(`${D(o)} has no key matching id signature (${n})`);if(h.threshold>u.weight)throw new _(D(o)+" signature does not reach auth threshold");if(e.requestPermission){const t=a.from(e.requestPermission);if(!t.actor.equals(g)&&!t.actor.equals(o.actor)||!t.permission.equals(y)&&!t.permission.equals(o.permission))throw new _(`Unexpected identity proof from ${D(o)}, expected ${D(t)} `)}return{...i,account:c,signerKey:n}}async login(e){const t=l.generate("K1"),s=t.toPublic(),i=K.from({session_name:e,request_key:s}),r=await this.identify({scope:e,info:{link:i,scope:e}}),n={sameDevice:void 0!==r.request.getRawInfo().return_path};let a;return a=r.payload.link_ch&&r.payload.link_key&&r.payload.link_name?new N(this,{identifier:e,auth:r.signer,publicKey:r.signerKey,channel:{url:r.payload.link_ch,key:r.payload.link_key,name:r.payload.link_name},requestKey:t},n):new T(this,{identifier:e,auth:r.signer,publicKey:r.signerKey},n),this.storage&&await this.storeSession(e,a),{...r,session:a}}async restoreSession(e,t){if(!this.storage)throw new Error("Unable to restore session: No storage adapter configured");let s;if(t)s=this.sessionKey(e,D(t));else{const t=(await this.listSessions(e))[0];if(!t)return null;s=this.sessionKey(e,D(t))}const i=await this.storage.read(s);if(!i)return null;let r;try{r=JSON.parse(i)}catch(e){throw new Error(`Unable to restore session: Stored JSON invalid (${e.message||String(e)})`)}const n=R.restore(this,r);return t&&await this.touchSession(e,t),n}async listSessions(e){if(!this.storage)throw new Error("Unable to list sessions: No storage adapter configured");const t=this.sessionKey(e,"list");let s;try{s=JSON.parse(await this.storage.read(t)||"[]")}catch(e){throw new Error(`Unable to list sessions: Stored JSON invalid (${e.message||String(e)})`)}return s}async removeSession(e,t){if(!this.storage)throw new Error("Unable to remove session: No storage adapter configured");const s=this.sessionKey(e,D(t));await this.storage.remove(s),await this.touchSession(e,t,!0)}async clearSessions(e){if(!this.storage)throw new Error("Unable to clear sessions: No storage adapter configured");for(const t of await this.listSessions(e))await this.removeSession(e,t)}makeSignatureProvider(e,t){var s=this;return{getAvailableKeys:async function(){return e},sign:async function(e){const r=t||s.transport;let n=f.fromTransaction(e.chainId,e.serializedTransaction,s.requestOptions);const a=s.callbackService.create();n.setCallback(a.url,!0),n.setBroadcast(!1),r.prepare&&(n=await r.prepare(n));const{transaction:o,signatures:c}=await s.sendRequest(n,a,r),l=i.encode({object:o});return{...e,serializedTransaction:l,signatures:c}}}}async touchSession(e,t,s=!1){const i=await this.listSessions(e),r=D(t),n=i.findIndex(e=>D(e)===r);n>=0&&i.splice(n,1),!1===s&&i.unshift(t);const a=this.sessionKey(e,"list");await this.storage.write(a,JSON.stringify(i))}async storeSession(e,t){const s=this.sessionKey(e,D(t.auth)),i=JSON.stringify(t.serialize());await this.storage.write(s,i),await this.touchSession(e,t.auth)}sessionKey(e,t){return[this.chainId.toString(),c.from(e).toString(),t].join("-")}}function D(e){const t=a.from(e),s=t.actor.equals(g)?"<any>":String(t.actor);let i;return i=t.permission.equals(g)||t.permission.equals(y)?"<any>":String(t.permission),`${s}@${i}`}export default j;export{v as CancelError,_ as IdentityError,j as Link,N as LinkChannelSession,T as LinkFallbackSession,x as LinkOptions,R as LinkSession,q as SessionError};
 //# sourceMappingURL=index.esm.js.map

lib/index.js

@@ -16,3 +16,3 @@ function e(e){return e&&"object"==typeof e&&"default"in e?e.default:e}var t=e(require("pako")),r=require("@greymass/eosio"),n=require("eosio-signing-request"),i=e(require("fetch-ponyfill")),o=require("asmcrypto.js"),s=require("uuid"),a=e(require("isomorphic-ws"));function c(){return(c=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var n in r)Object.prototype.hasOwnProperty.call(r,n)&&(e[n]=r[n])}return e}).apply(this,arguments)}function u(e,t){e.prototype=Object.create(t.prototype),e.prototype.constructor=e,e.__proto__=t}function l(e){return(l=Object.setPrototypeOf?Object.getPrototypeOf:function(e){return e.__proto__||Object.getPrototypeOf(e)})(e)}function f(e,t){return(f=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e})(e,t)}function h(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],function(){})),!0}catch(e){return!1}}function p(e,t,r){return(p=h()?Reflect.construct:function(e,t,r){var n=[null];n.push.apply(n,t);var i=new(Function.bind.apply(e,n));return r&&f(i,r.prototype),i}).apply(null,arguments)}function d(e){var t="function"==typeof Map?new Map:void 0;return(d=function(e){if(null===e||-1===Function.toString.call(e).indexOf("[native code]"))return e;if("function"!=typeof e)throw new TypeError("Super expression must either be null or a function");if(void 0!==t){if(t.has(e))return t.get(e);t.set(e,r)}function r(){return p(e,arguments,l(this).constructor)}return r.prototype=Object.create(e.prototype,{constructor:{value:r,enumerable:!1,writable:!0,configurable:!0}}),f(r,e)})(e)}var v,m=function(e){function t(t){var r;return(r=e.call(this,"User canceled request "+(t?"("+t+")":""))||this).code="E_CANCEL",r}return u(t,e),t}(d(Error)),y=function(e){function t(t){var r;return(r=e.call(this,"Unable to verify identity "+(t?"("+t+")":""))||this).code="E_IDENTITY",r}return u(t,e),t}(d(Error)),g=function(e){function t(t,r){var n;return(n=e.call(this,t)||this).code=r,n}return u(t,e),t}(d(Error));
 ***************************************************************************** */
-function b(e,t,r,n){var i,o=arguments.length,s=o<3?t:null===n?n=Object.getOwnPropertyDescriptor(t,r):n;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)s=Reflect.decorate(e,t,r,n);else for(var a=e.length-1;a>=0;a--)(i=e[a])&&(s=(o<3?i(s):o>3?i(t,r,s):i(t,r))||s);return o>3&&s&&Object.defineProperty(t,r,s),s}!function(e){e.defaults={chainId:"aca376f206b8fc25a6ed44dbdc66547c36c6c33e3a119ffbeaef943642f0e906",client:"https://eos.greymass.com",service:"https://cb.anchor.link"}}(v||(v={}));var P=function(e){function t(){return e.apply(this,arguments)||this}return u(t,e),t}(r.Struct);b([r.Struct.field("public_key")],P.prototype,"from",void 0),b([r.Struct.field("uint64")],P.prototype,"nonce",void 0),b([r.Struct.field("bytes")],P.prototype,"ciphertext",void 0),b([r.Struct.field("uint32")],P.prototype,"checksum",void 0),P=b([r.Struct.type("sealed_message")],P);var S=function(e){function t(){return e.apply(this,arguments)||this}return u(t,e),t}(r.Struct);b([r.Struct.field("name")],S.prototype,"session_name",void 0),b([r.Struct.field("public_key")],S.prototype,"request_key",void 0),S=b([r.Struct.type("link_create")],S);var w=function(e){function t(){return e.apply(this,arguments)||this}return u(t,e),t}(r.Struct);b([r.Struct.field("time_point_sec")],w.prototype,"expiration",void 0),w=b([r.Struct.type("link_info")],w);var k=i().fetch,_=function(){function e(){}return e.prototype.remove=function(){try{var e=this,t=function(){if(e.link.storage)return Promise.resolve(e.link.removeSession(e.identifier,e.auth)).then(function(){})}();return Promise.resolve(t&&t.then?t.then(function(){}):void 0)}catch(e){return Promise.reject(e)}},e.restore=function(e,t){switch(t.type){case"channel":return new q(e,t.data,t.metadata);case"fallback":return new O(e,t.data,t.metadata);default:throw new Error("Unable to restore, session data invalid")}},e}(),q=function(e){function t(t,n,i){var s;(s=e.call(this)||this).type="channel",s.timeout=12e4,s.link=t,s.auth=r.PermissionLevel.from(n.auth),s.publicKey=r.PublicKey.from(n.publicKey),s.channel=n.channel,s.identifier=r.Name.from(n.identifier);var a=r.PrivateKey.from(n.requestKey),u=r.PublicKey.from(n.channel.key);return s.encrypt=function(e){return function(e,t,n,i){var s=t.sharedSecret(n);i||(i=r.UInt64.random());var a=r.Serializer.encode({object:i}).appending(s.array).sha512Digest,c=new o.AES_CBC(a.array.slice(0,32),a.array.slice(32,48)),u=r.Bytes.from(c.encrypt(r.Bytes.from(e,"utf8").array)),l=new DataView(r.Checksum256.hash(a.array).array.buffer).getUint32(0,!0);return P.from({from:t.toPublic(),nonce:i,ciphertext:u,checksum:l})}(e.encode(!0,!1),a,u)},s.metadata=c({},i||{},{timeout:s.timeout,name:s.channel.name}),s.serialize=function(){return{type:"channel",data:n,metadata:s.metadata}},s}u(t,e);var n=t.prototype;return n.onSuccess=function(e,t){this.link.transport.onSuccess&&this.link.transport.onSuccess(e,t)},n.onFailure=function(e,t){this.link.transport.onFailure&&this.link.transport.onFailure(e,t)},n.onRequest=function(e,t){var n=w.from({expiration:new Date(Date.now()+this.timeout).toISOString().slice(0,-1)});this.link.transport.onSessionRequest&&this.link.transport.onSessionRequest(this,e,t),setTimeout(function(){t(new g("Wallet did not respond in time","E_TIMEOUT"))},this.timeout+500),e.setInfoKey("link",n),k(this.channel.url,{method:"POST",headers:{"X-Buoy-Wait":(this.timeout/1e3).toFixed(0)},body:r.Serializer.encode({object:this.encrypt(e)}).array}).then(function(e){200!==e.status&&t(new g("Unable to push message","E_DELIVERY"))}).catch(function(e){t(new g("Unable to reach link service ("+(e.message||String(e))+")","E_DELIVERY"))})},n.prepare=function(e){return this.link.transport.prepare?this.link.transport.prepare(e,this):Promise.resolve(e)},n.showLoading=function(){if(this.link.transport.showLoading)return this.link.transport.showLoading()},n.makeSignatureProvider=function(){return this.link.makeSignatureProvider([this.publicKey.toString()],this)},n.transact=function(e,t){return this.link.transact(e,t,this)},t}(_),O=function(e){function t(t,n,i){var o;return(o=e.call(this)||this).type="fallback",o.link=t,o.auth=r.PermissionLevel.from(n.auth),o.publicKey=r.PublicKey.from(n.publicKey),o.metadata=i||{},o.identifier=r.Name.from(n.identifier),o.serialize=function(){return{type:o.type,data:n,metadata:o.metadata}},o}u(t,e);var n=t.prototype;return n.onSuccess=function(e,t){this.link.transport.onSuccess&&this.link.transport.onSuccess(e,t)},n.onFailure=function(e,t){this.link.transport.onFailure&&this.link.transport.onFailure(e,t)},n.onRequest=function(e,t){this.link.transport.onSessionRequest?this.link.transport.onSessionRequest(this,e,t):this.link.transport.onRequest(e,t)},n.prepare=function(e){return this.link.transport.prepare?this.link.transport.prepare(e,this):Promise.resolve(e)},n.showLoading=function(){if(this.link.transport.showLoading)return this.link.transport.showLoading()},n.makeSignatureProvider=function(){return this.link.makeSignatureProvider([this.publicKey.toString()],this)},n.transact=function(e,t){return this.link.transact(e,t,this)},t}(_),j=function(){function e(e){this.address=e.trim().replace(/\/$/,"")}return e.prototype.create=function(){var e=this.address+"/"+s.v4();return new E(e)},e}(),E=function(){function e(e){this.url=e,this.ctx={}}var t=e.prototype;return t.wait=function(){return e=this.url,t=this.ctx,new Promise(function(r,n){var i=!0,o=0,s=e.replace(/^http/,"ws"),c=function(e){try{r(JSON.parse(e))}catch(e){e.message="Unable to parse callback JSON: "+e.message,n(e)}};!function e(){var r=new a(s);t.cancel=function(){i=!1,r.readyState!==a.OPEN&&r.readyState!==a.CONNECTING||r.close()},r.onmessage=function(e){if(i=!1,r.readyState===a.OPEN&&r.close(),"undefined"!=typeof Blob&&e.data instanceof Blob){var t=new FileReader;t.onload=function(){c(t.result)},t.onerror=function(e){n(e)},t.readAsText(e.data)}else c("string"==typeof e.data?e.data:e.data.toString())},r.onopen=function(){o=0},r.onclose=function(){var t;i&&setTimeout(e,(t=o++,Math.min(Math.pow(10*t,2),1e4)))}}()});var e,t},t.cancel=function(){this.ctx.cancel&&this.ctx.cancel()},e}();function R(e,t){try{var r=e()}catch(e){return t(e)}return r&&r.then?r.then(void 0,t):r}var K="undefined"!=typeof Symbol?Symbol.iterator||(Symbol.iterator=Symbol("Symbol.iterator")):"@@iterator";function x(e,t,r){if(!e.s){if(r instanceof I){if(!r.s)return void(r.o=x.bind(null,e,t));1&t&&(t=r.s),r=r.v}if(r&&r.then)return void r.then(x.bind(null,e,t),x.bind(null,e,2));e.s=t,e.v=r;var n=e.o;n&&n(e)}}var I=function(){function e(){}return e.prototype.then=function(t,r){var n=new e,i=this.s;if(i){var o=1&i?t:r;if(o){try{x(n,1,o(this.v))}catch(e){x(n,2,e)}return n}return this}return this.o=function(e){try{var i=e.v;1&e.s?x(n,1,t?t(i):i):r?x(n,1,r(i)):x(n,2,i)}catch(e){x(n,2,e)}},n},e}();function N(e){return e instanceof I&&1&e.s}var L=function(){function e(e){if(this.abiCache=new Map,this.pendingAbis=new Map,"object"!=typeof e)throw new TypeError("Missing options object");if(!e.transport)throw new TypeError("options.transport is required, see https://github.com/greymass/anchor-link#transports");this.client=void 0===e.client||"string"==typeof e.client?new r.APIClient({url:e.client||v.defaults.client}):e.client,this.chainId=n.ChainId.from(e.chainId||v.defaults.chainId),this.callbackService=void 0===e.service||"string"==typeof e.service?new j(e.service||v.defaults.service):e.service,this.transport=e.transport,null!==e.storage&&(this.storage=e.storage||this.transport.storage),this.requestOptions={abiProvider:this,zlib:t}}var i=e.prototype;return i.getAbi=function(e){try{var t=this,r=e.toString(),n=t.abiCache.get(r),i=function(){if(!n){var i=t.pendingAbis.get(r);return i||(i=t.client.v1.chain.get_abi(e),t.pendingAbis.set(r,i)),Promise.resolve(i).then(function(e){n=e.abi,t.pendingAbis.delete(r),n&&t.abiCache.set(r,n)})}}();return Promise.resolve(i&&i.then?i.then(function(){return n}):n)}catch(e){return Promise.reject(e)}},i.createRequest=function(e,t){try{var r=this,i=t||r.transport;return Promise.resolve(n.SigningRequest.create(c({},e,{chainId:r.chainId.toString(),broadcast:!1}),r.requestOptions)).then(function(e){function t(){var t=r.callbackService.create();return e.setCallback(t.url,!0),{request:e,callback:t}}var n=function(){if(i.prepare)return Promise.resolve(i.prepare(e)).then(function(t){e=t})}();return n&&n.then?n.then(t):t()})}catch(e){return Promise.reject(e)}},i.sendRequest=function(e,t,i,o){void 0===o&&(o=!1);try{var s=this,a=i||s.transport;return Promise.resolve(R(function(){if(e.data.callback!==t.url)throw new Error("Invalid request callback");if(!0===e.data.flags.broadcast||!1===e.data.flags.background)throw new Error("Invalid request flags");var i=new Promise(function(r,n){a.onRequest(e,function(e){t.cancel(),n("string"==typeof e?new m(e):e)})});return Promise.resolve(Promise.race([t.wait(),i])).then(function(t){var i=r.PermissionLevel.from({actor:t.sa,permission:t.sp}),u=Object.keys(t).filter(function(e){return e.startsWith("sig")&&"sig0"!==e}).map(function(e){return r.Signature.from(t[e])});return Promise.resolve(n.ResolvedSigningRequest.fromPayload(t,s.requestOptions)).then(function(n){function l(){return a.onSuccess&&a.onSuccess(e,h),h}var f=n.request.getInfoKey("fuel_sig","string");f&&u.unshift(r.Signature.from(f));var h={request:n.request,transaction:n.transaction,resolvedTransaction:n.resolvedTransaction,signatures:u,payload:t,signer:i},p=function(){if(o){var e=r.SignedTransaction.from(c({},n.transaction,{signatures:u}));return Promise.resolve(s.client.v1.chain.push_transaction(e)).then(function(e){h.processed=e.processed})}}();return p&&p.then?p.then(l):l()})})},function(t){throw a.onFailure&&a.onFailure(e,t),t}))}catch(e){return Promise.reject(e)}},i.transact=function(e,t,r){try{var n=this,i=r||n.transport,o=!t||!1!==t.broadcast;return i&&i.showLoading&&i.showLoading(),e.actions&&(e.expiration||e.ref_block_num||e.ref_block_prefix||e.max_net_usage_words||e.max_cpu_usage_ms||e.delay_sec)&&(e={transaction:c({expiration:"1970-01-01T00:00:00",ref_block_num:0,ref_block_prefix:0,max_net_usage_words:0,max_cpu_usage_ms:0,delay_sec:0},e)}),Promise.resolve(n.createRequest(e,i)).then(function(e){return Promise.resolve(n.sendRequest(e.request,e.callback,i,o))})}catch(e){return Promise.reject(e)}},i.identify=function(e){try{var t=this;return Promise.resolve(t.createRequest({identity:{permission:e.requestPermission,scope:e.scope},info:e.info})).then(function(i){var o=i.request;return Promise.resolve(t.sendRequest(o,i.callback)).then(function(i){if(!i.request.isIdentity())throw new y("Unexpected response");var s=i.transaction.signingDigest(o.getChainId()),a=i.signatures[0].recoverDigest(s),u=i.signer;return Promise.resolve(t.client.v1.chain.get_account(u.actor.toString())).then(function(t){if(!t)throw new y("Signature from unknown account: "+u.actor);var o=t.permissions.find(function(e){return u.permission.equals(e.perm_name)});if(!o)throw new y(u.actor+" signed for unknown permission: "+u.permission);var s=o.required_auth,l=s.keys.find(function(e){return a.equals(e.key)});if(!l)throw new y(T(u)+" has no key matching id signature");if(s.threshold>l.weight)throw new y(T(u)+" signature does not reach auth threshold");if(e.requestPermission){var f=r.PermissionLevel.from(e.requestPermission);if(!f.actor.equals(n.PlaceholderName)&&!f.actor.equals(u.actor)||!f.permission.equals(n.PlaceholderPermission)&&!f.permission.equals(u.permission))throw new y("Unexpected identity proof from "+T(u)+", expected "+T(f)+" ")}return c({},i,{account:t,signerKey:a})})})})}catch(e){return Promise.reject(e)}},i.login=function(e){try{var t=this,n=r.PrivateKey.generate("K1"),i=n.toPublic(),o=S.from({session_name:e,request_key:i});return Promise.resolve(t.identify({scope:e,info:{link:o,scope:e}})).then(function(r){function i(){return c({},r,{session:o})}var o,s={sameDevice:void 0!==r.request.getRawInfo().return_path};o=r.payload.link_ch&&r.payload.link_key&&r.payload.link_name?new q(t,{identifier:e,auth:r.signer,publicKey:r.signerKey,channel:{url:r.payload.link_ch,key:r.payload.link_key,name:r.payload.link_name},requestKey:n},s):new O(t,{identifier:e,auth:r.signer,publicKey:r.signerKey},s);var a=function(){if(t.storage)return Promise.resolve(t.storeSession(e,o)).then(function(){})}();return a&&a.then?a.then(i):i()})}catch(e){return Promise.reject(e)}},i.restoreSession=function(e,t){try{var r,n,i=function(i){return r?i:Promise.resolve(o.storage.read(n)).then(function(r){if(!r)return null;var n;try{n=JSON.parse(r)}catch(e){throw new Error("Unable to restore session: Stored JSON invalid ("+(e.message||String(e))+")")}var i=_.restore(o,n),s=function(){if(t)return Promise.resolve(o.touchSession(e,t)).then(function(){})}();return s&&s.then?s.then(function(){return i}):i})},o=this;if(!o.storage)throw new Error("Unable to restore session: No storage adapter configured");var s=function(){if(!t)return Promise.resolve(o.listSessions(e)).then(function(t){var i=t[0];if(!i)return r=1,null;n=o.sessionKey(e,T(i))});n=o.sessionKey(e,T(t))}();return Promise.resolve(s&&s.then?s.then(i):i(s))}catch(e){return Promise.reject(e)}},i.listSessions=function(e){try{var t=this;if(!t.storage)throw new Error("Unable to list sessions: No storage adapter configured");var r,n=t.sessionKey(e,"list"),i=R(function(){return Promise.resolve(t.storage.read(n)).then(function(e){r=JSON.parse(e||"[]")})},function(e){throw new Error("Unable to list sessions: Stored JSON invalid ("+(e.message||String(e))+")")});return Promise.resolve(i&&i.then?i.then(function(e){return r}):r)}catch(e){return Promise.reject(e)}},i.removeSession=function(e,t){try{var r=this;if(!r.storage)throw new Error("Unable to remove session: No storage adapter configured");var n=r.sessionKey(e,T(t));return Promise.resolve(r.storage.remove(n)).then(function(){return Promise.resolve(r.touchSession(e,t,!0)).then(function(){})})}catch(e){return Promise.reject(e)}},i.clearSessions=function(e){try{var t=this;if(!t.storage)throw new Error("Unable to clear sessions: No storage adapter configured");return Promise.resolve(t.listSessions(e)).then(function(r){var n=function(e,t,r){if("function"==typeof e[K]){var n,i,o,s=e[K]();if(function e(r){try{for(;!(n=s.next()).done;)if((r=t(n.value))&&r.then){if(!N(r))return void r.then(e,o||(o=x.bind(null,i=new I,2)));r=r.v}i?x(i,1,r):i=r}catch(e){x(i||(i=new I),2,e)}}(),s.return){var a=function(e){try{n.done||s.return()}catch(e){}return e};if(i&&i.then)return i.then(a,function(e){throw a(e)});a()}return i}if(!("length"in e))throw new TypeError("Object is not iterable");for(var c=[],u=0;u<e.length;u++)c.push(e[u]);return function(e,t,r){var n,i,o=-1;return function r(s){try{for(;++o<e.length;)if((s=t(o))&&s.then){if(!N(s))return void s.then(r,i||(i=x.bind(null,n=new I,2)));s=s.v}n?x(n,1,s):n=s}catch(e){x(n||(n=new I),2,e)}}(),n}(c,function(e){return t(c[e])})}(r,function(r){return Promise.resolve(t.removeSession(e,r)).then(function(){})});if(n&&n.then)return n.then(function(){})})}catch(e){return Promise.reject(e)}},i.makeSignatureProvider=function(e,t){var i=this;return{getAvailableKeys:function(){return Promise.resolve(e)},sign:function(e){try{var o=function(){return Promise.resolve(i.sendRequest(a,u,s)).then(function(t){var n=t.signatures,i=r.Serializer.encode({object:t.transaction});return c({},e,{serializedTransaction:i,signatures:n})})},s=t||i.transport,a=n.SigningRequest.fromTransaction(e.chainId,e.serializedTransaction,i.requestOptions),u=i.callbackService.create();a.setCallback(u.url,!0),a.setBroadcast(!1);var l=function(){if(s.prepare)return Promise.resolve(s.prepare(a)).then(function(e){a=e})}();return Promise.resolve(l&&l.then?l.then(o):o())}catch(e){return Promise.reject(e)}}}},i.touchSession=function(e,t,r){void 0===r&&(r=!1);try{var n=this;return Promise.resolve(n.listSessions(e)).then(function(i){var o=T(t),s=i.findIndex(function(e){return T(e)===o});s>=0&&i.splice(s,1),!1===r&&i.unshift(t);var a=n.sessionKey(e,"list");return Promise.resolve(n.storage.write(a,JSON.stringify(i))).then(function(){})})}catch(e){return Promise.reject(e)}},i.storeSession=function(e,t){try{var r=this,n=r.sessionKey(e,T(t.auth)),i=JSON.stringify(t.serialize());return Promise.resolve(r.storage.write(n,i)).then(function(){return Promise.resolve(r.touchSession(e,t.auth)).then(function(){})})}catch(e){return Promise.reject(e)}},i.sessionKey=function(e,t){return[this.chainId.toString(),r.Name.from(e).toString(),t].join("-")},e}();function T(e){var t=r.PermissionLevel.from(e);return(t.actor.equals(n.PlaceholderName)?"<any>":String(t.actor))+"@"+(t.permission.equals(n.PlaceholderName)||t.permission.equals(n.PlaceholderPermission)?"<any>":String(t.permission))}for(var C={__proto__:null,default:L,get LinkOptions(){return v},PlaceholderAuth:n.PlaceholderAuth,PlaceholderName:n.PlaceholderName,PlaceholderPermission:n.PlaceholderPermission,Link:L,LinkSession:_,LinkChannelSession:q,LinkFallbackSession:O,CancelError:m,IdentityError:y,SessionError:g},U=L,D=0,F=Object.keys(C);D<F.length;D++){var A=F[D];"default"!==A&&(U[A]=C[A])}module.exports=U;
+function b(e,t,r,n){var i,o=arguments.length,s=o<3?t:null===n?n=Object.getOwnPropertyDescriptor(t,r):n;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)s=Reflect.decorate(e,t,r,n);else for(var a=e.length-1;a>=0;a--)(i=e[a])&&(s=(o<3?i(s):o>3?i(t,r,s):i(t,r))||s);return o>3&&s&&Object.defineProperty(t,r,s),s}!function(e){e.defaults={chainId:"aca376f206b8fc25a6ed44dbdc66547c36c6c33e3a119ffbeaef943642f0e906",client:"https://eos.greymass.com",service:"https://cb.anchor.link"}}(v||(v={}));var P=function(e){function t(){return e.apply(this,arguments)||this}return u(t,e),t}(r.Struct);b([r.Struct.field("public_key")],P.prototype,"from",void 0),b([r.Struct.field("uint64")],P.prototype,"nonce",void 0),b([r.Struct.field("bytes")],P.prototype,"ciphertext",void 0),b([r.Struct.field("uint32")],P.prototype,"checksum",void 0),P=b([r.Struct.type("sealed_message")],P);var S=function(e){function t(){return e.apply(this,arguments)||this}return u(t,e),t}(r.Struct);b([r.Struct.field("name")],S.prototype,"session_name",void 0),b([r.Struct.field("public_key")],S.prototype,"request_key",void 0),S=b([r.Struct.type("link_create")],S);var w=function(e){function t(){return e.apply(this,arguments)||this}return u(t,e),t}(r.Struct);b([r.Struct.field("time_point_sec")],w.prototype,"expiration",void 0),w=b([r.Struct.type("link_info")],w);var k=i().fetch,_=function(){function e(){}return e.prototype.remove=function(){try{var e=this,t=function(){if(e.link.storage)return Promise.resolve(e.link.removeSession(e.identifier,e.auth)).then(function(){})}();return Promise.resolve(t&&t.then?t.then(function(){}):void 0)}catch(e){return Promise.reject(e)}},e.restore=function(e,t){switch(t.type){case"channel":return new q(e,t.data,t.metadata);case"fallback":return new O(e,t.data,t.metadata);default:throw new Error("Unable to restore, session data invalid")}},e}(),q=function(e){function t(t,n,i){var s;(s=e.call(this)||this).type="channel",s.timeout=12e4,s.link=t,s.auth=r.PermissionLevel.from(n.auth),s.publicKey=r.PublicKey.from(n.publicKey),s.channel=n.channel,s.identifier=r.Name.from(n.identifier);var a=r.PrivateKey.from(n.requestKey),u=r.PublicKey.from(n.channel.key);return s.encrypt=function(e){return function(e,t,n,i){var s=t.sharedSecret(n);i||(i=r.UInt64.random());var a=r.Serializer.encode({object:i}).appending(s.array).sha512Digest,c=new o.AES_CBC(a.array.slice(0,32),a.array.slice(32,48)),u=r.Bytes.from(c.encrypt(r.Bytes.from(e,"utf8").array)),l=new DataView(r.Checksum256.hash(a.array).array.buffer).getUint32(0,!0);return P.from({from:t.toPublic(),nonce:i,ciphertext:u,checksum:l})}(e.encode(!0,!1),a,u)},s.metadata=c({},i||{},{timeout:s.timeout,name:s.channel.name}),s.serialize=function(){return{type:"channel",data:n,metadata:s.metadata}},s}u(t,e);var n=t.prototype;return n.onSuccess=function(e,t){this.link.transport.onSuccess&&this.link.transport.onSuccess(e,t)},n.onFailure=function(e,t){this.link.transport.onFailure&&this.link.transport.onFailure(e,t)},n.onRequest=function(e,t){var n=w.from({expiration:new Date(Date.now()+this.timeout).toISOString().slice(0,-1)});this.link.transport.onSessionRequest&&this.link.transport.onSessionRequest(this,e,t),setTimeout(function(){t(new g("Wallet did not respond in time","E_TIMEOUT"))},this.timeout+500),e.setInfoKey("link",n),k(this.channel.url,{method:"POST",headers:{"X-Buoy-Wait":(this.timeout/1e3).toFixed(0)},body:r.Serializer.encode({object:this.encrypt(e)}).array}).then(function(e){200!==e.status&&t(new g("Unable to push message","E_DELIVERY"))}).catch(function(e){t(new g("Unable to reach link service ("+(e.message||String(e))+")","E_DELIVERY"))})},n.prepare=function(e){return this.link.transport.prepare?this.link.transport.prepare(e,this):Promise.resolve(e)},n.showLoading=function(){if(this.link.transport.showLoading)return this.link.transport.showLoading()},n.makeSignatureProvider=function(){return this.link.makeSignatureProvider([this.publicKey.toString()],this)},n.transact=function(e,t){return this.link.transact(e,t,this)},t}(_),O=function(e){function t(t,n,i){var o;return(o=e.call(this)||this).type="fallback",o.link=t,o.auth=r.PermissionLevel.from(n.auth),o.publicKey=r.PublicKey.from(n.publicKey),o.metadata=i||{},o.identifier=r.Name.from(n.identifier),o.serialize=function(){return{type:o.type,data:n,metadata:o.metadata}},o}u(t,e);var n=t.prototype;return n.onSuccess=function(e,t){this.link.transport.onSuccess&&this.link.transport.onSuccess(e,t)},n.onFailure=function(e,t){this.link.transport.onFailure&&this.link.transport.onFailure(e,t)},n.onRequest=function(e,t){this.link.transport.onSessionRequest?this.link.transport.onSessionRequest(this,e,t):this.link.transport.onRequest(e,t)},n.prepare=function(e){return this.link.transport.prepare?this.link.transport.prepare(e,this):Promise.resolve(e)},n.showLoading=function(){if(this.link.transport.showLoading)return this.link.transport.showLoading()},n.makeSignatureProvider=function(){return this.link.makeSignatureProvider([this.publicKey.toString()],this)},n.transact=function(e,t){return this.link.transact(e,t,this)},t}(_),j=function(){function e(e){this.address=e.trim().replace(/\/$/,"")}return e.prototype.create=function(){var e=this.address+"/"+s.v4();return new E(e)},e}(),E=function(){function e(e){this.url=e,this.ctx={}}var t=e.prototype;return t.wait=function(){return e=this.url,t=this.ctx,new Promise(function(r,n){var i=!0,o=0,s=e.replace(/^http/,"ws"),c=function(e){try{r(JSON.parse(e))}catch(e){e.message="Unable to parse callback JSON: "+e.message,n(e)}};!function e(){var r=new a(s);t.cancel=function(){i=!1,r.readyState!==a.OPEN&&r.readyState!==a.CONNECTING||r.close()},r.onmessage=function(e){if(i=!1,r.readyState===a.OPEN&&r.close(),"undefined"!=typeof Blob&&e.data instanceof Blob){var t=new FileReader;t.onload=function(){c(t.result)},t.onerror=function(e){n(e)},t.readAsText(e.data)}else c("string"==typeof e.data?e.data:e.data.toString())},r.onopen=function(){o=0},r.onclose=function(){var t;i&&setTimeout(e,(t=o++,Math.min(Math.pow(10*t,2),1e4)))}}()});var e,t},t.cancel=function(){this.ctx.cancel&&this.ctx.cancel()},e}();function R(e,t){try{var r=e()}catch(e){return t(e)}return r&&r.then?r.then(void 0,t):r}var K="undefined"!=typeof Symbol?Symbol.iterator||(Symbol.iterator=Symbol("Symbol.iterator")):"@@iterator";function x(e,t,r){if(!e.s){if(r instanceof I){if(!r.s)return void(r.o=x.bind(null,e,t));1&t&&(t=r.s),r=r.v}if(r&&r.then)return void r.then(x.bind(null,e,t),x.bind(null,e,2));e.s=t,e.v=r;var n=e.o;n&&n(e)}}var I=function(){function e(){}return e.prototype.then=function(t,r){var n=new e,i=this.s;if(i){var o=1&i?t:r;if(o){try{x(n,1,o(this.v))}catch(e){x(n,2,e)}return n}return this}return this.o=function(e){try{var i=e.v;1&e.s?x(n,1,t?t(i):i):r?x(n,1,r(i)):x(n,2,i)}catch(e){x(n,2,e)}},n},e}();function N(e){return e instanceof I&&1&e.s}var L=function(){function e(e){if(this.abiCache=new Map,this.pendingAbis=new Map,"object"!=typeof e)throw new TypeError("Missing options object");if(!e.transport)throw new TypeError("options.transport is required, see https://github.com/greymass/anchor-link#transports");this.client=void 0===e.client||"string"==typeof e.client?new r.APIClient({url:e.client||v.defaults.client}):e.client,this.chainId=n.ChainId.from(e.chainId||v.defaults.chainId),this.callbackService=void 0===e.service||"string"==typeof e.service?new j(e.service||v.defaults.service):e.service,this.transport=e.transport,null!==e.storage&&(this.storage=e.storage||this.transport.storage),this.requestOptions={abiProvider:this,zlib:t}}var i=e.prototype;return i.getAbi=function(e){try{var t=this,r=e.toString(),n=t.abiCache.get(r),i=function(){if(!n){var i=t.pendingAbis.get(r);return i||(i=t.client.v1.chain.get_abi(e),t.pendingAbis.set(r,i)),Promise.resolve(i).then(function(e){n=e.abi,t.pendingAbis.delete(r),n&&t.abiCache.set(r,n)})}}();return Promise.resolve(i&&i.then?i.then(function(){return n}):n)}catch(e){return Promise.reject(e)}},i.createRequest=function(e,t){try{var r=this,i=t||r.transport;return Promise.resolve(n.SigningRequest.create(c({},e,{chainId:r.chainId.toString(),broadcast:!1}),r.requestOptions)).then(function(e){function t(){var t=r.callbackService.create();return e.setCallback(t.url,!0),{request:e,callback:t}}var n=function(){if(i.prepare)return Promise.resolve(i.prepare(e)).then(function(t){e=t})}();return n&&n.then?n.then(t):t()})}catch(e){return Promise.reject(e)}},i.sendRequest=function(e,t,i,o){void 0===o&&(o=!1);try{var s=this,a=i||s.transport;return Promise.resolve(R(function(){if(e.data.callback!==t.url)throw new Error("Invalid request callback");if(!0===e.data.flags.broadcast||!1===e.data.flags.background)throw new Error("Invalid request flags");var i=new Promise(function(r,n){a.onRequest(e,function(e){t.cancel(),n("string"==typeof e?new m(e):e)})});return Promise.resolve(Promise.race([t.wait(),i])).then(function(t){var i=r.PermissionLevel.from({actor:t.sa,permission:t.sp}),u=Object.keys(t).filter(function(e){return e.startsWith("sig")&&"sig0"!==e}).map(function(e){return r.Signature.from(t[e])});return Promise.resolve(n.ResolvedSigningRequest.fromPayload(t,s.requestOptions)).then(function(n){function l(){return a.onSuccess&&a.onSuccess(e,h),h}var f=n.request.getInfoKey("fuel_sig","string");f&&u.unshift(r.Signature.from(f));var h={request:n.request,transaction:n.transaction,resolvedTransaction:n.resolvedTransaction,signatures:u,payload:t,signer:i},p=function(){if(o){var e=r.SignedTransaction.from(c({},n.transaction,{signatures:u}));return Promise.resolve(s.client.v1.chain.push_transaction(e)).then(function(e){h.processed=e.processed})}}();return p&&p.then?p.then(l):l()})})},function(t){throw a.onFailure&&a.onFailure(e,t),t}))}catch(e){return Promise.reject(e)}},i.transact=function(e,t,r){try{var n=this,i=r||n.transport,o=!t||!1!==t.broadcast;return i&&i.showLoading&&i.showLoading(),e.actions&&(e.expiration||e.ref_block_num||e.ref_block_prefix||e.max_net_usage_words||e.max_cpu_usage_ms||e.delay_sec)&&(e={transaction:c({expiration:"1970-01-01T00:00:00",ref_block_num:0,ref_block_prefix:0,max_net_usage_words:0,max_cpu_usage_ms:0,delay_sec:0},e)}),Promise.resolve(n.createRequest(e,i)).then(function(e){return Promise.resolve(n.sendRequest(e.request,e.callback,i,o))})}catch(e){return Promise.reject(e)}},i.identify=function(e){try{var t=this;return Promise.resolve(t.createRequest({identity:{permission:e.requestPermission,scope:e.scope},info:e.info})).then(function(i){var o=i.request;return Promise.resolve(t.sendRequest(o,i.callback)).then(function(i){if(!i.request.isIdentity())throw new y("Unexpected response");var s=i.transaction.signingDigest(o.getChainId()),a=i.signatures[0].recoverDigest(s),u=i.signer;return Promise.resolve(t.client.v1.chain.get_account(u.actor)).then(function(t){if(!t)throw new y("Signature from unknown account: "+u.actor);var o=t.permissions.find(function(e){return u.permission.equals(e.perm_name)});if(!o)throw new y(u.actor+" signed for unknown permission: "+u.permission);var s=o.required_auth,l=s.keys.find(function(e){return a.equals(e.key)});if(!l)throw new y(T(u)+" has no key matching id signature ("+a+")");if(s.threshold>l.weight)throw new y(T(u)+" signature does not reach auth threshold");if(e.requestPermission){var f=r.PermissionLevel.from(e.requestPermission);if(!f.actor.equals(n.PlaceholderName)&&!f.actor.equals(u.actor)||!f.permission.equals(n.PlaceholderPermission)&&!f.permission.equals(u.permission))throw new y("Unexpected identity proof from "+T(u)+", expected "+T(f)+" ")}return c({},i,{account:t,signerKey:a})})})})}catch(e){return Promise.reject(e)}},i.login=function(e){try{var t=this,n=r.PrivateKey.generate("K1"),i=n.toPublic(),o=S.from({session_name:e,request_key:i});return Promise.resolve(t.identify({scope:e,info:{link:o,scope:e}})).then(function(r){function i(){return c({},r,{session:o})}var o,s={sameDevice:void 0!==r.request.getRawInfo().return_path};o=r.payload.link_ch&&r.payload.link_key&&r.payload.link_name?new q(t,{identifier:e,auth:r.signer,publicKey:r.signerKey,channel:{url:r.payload.link_ch,key:r.payload.link_key,name:r.payload.link_name},requestKey:n},s):new O(t,{identifier:e,auth:r.signer,publicKey:r.signerKey},s);var a=function(){if(t.storage)return Promise.resolve(t.storeSession(e,o)).then(function(){})}();return a&&a.then?a.then(i):i()})}catch(e){return Promise.reject(e)}},i.restoreSession=function(e,t){try{var r,n,i=function(i){return r?i:Promise.resolve(o.storage.read(n)).then(function(r){if(!r)return null;var n;try{n=JSON.parse(r)}catch(e){throw new Error("Unable to restore session: Stored JSON invalid ("+(e.message||String(e))+")")}var i=_.restore(o,n),s=function(){if(t)return Promise.resolve(o.touchSession(e,t)).then(function(){})}();return s&&s.then?s.then(function(){return i}):i})},o=this;if(!o.storage)throw new Error("Unable to restore session: No storage adapter configured");var s=function(){if(!t)return Promise.resolve(o.listSessions(e)).then(function(t){var i=t[0];if(!i)return r=1,null;n=o.sessionKey(e,T(i))});n=o.sessionKey(e,T(t))}();return Promise.resolve(s&&s.then?s.then(i):i(s))}catch(e){return Promise.reject(e)}},i.listSessions=function(e){try{var t=this;if(!t.storage)throw new Error("Unable to list sessions: No storage adapter configured");var r,n=t.sessionKey(e,"list"),i=R(function(){return Promise.resolve(t.storage.read(n)).then(function(e){r=JSON.parse(e||"[]")})},function(e){throw new Error("Unable to list sessions: Stored JSON invalid ("+(e.message||String(e))+")")});return Promise.resolve(i&&i.then?i.then(function(e){return r}):r)}catch(e){return Promise.reject(e)}},i.removeSession=function(e,t){try{var r=this;if(!r.storage)throw new Error("Unable to remove session: No storage adapter configured");var n=r.sessionKey(e,T(t));return Promise.resolve(r.storage.remove(n)).then(function(){return Promise.resolve(r.touchSession(e,t,!0)).then(function(){})})}catch(e){return Promise.reject(e)}},i.clearSessions=function(e){try{var t=this;if(!t.storage)throw new Error("Unable to clear sessions: No storage adapter configured");return Promise.resolve(t.listSessions(e)).then(function(r){var n=function(e,t,r){if("function"==typeof e[K]){var n,i,o,s=e[K]();if(function e(r){try{for(;!(n=s.next()).done;)if((r=t(n.value))&&r.then){if(!N(r))return void r.then(e,o||(o=x.bind(null,i=new I,2)));r=r.v}i?x(i,1,r):i=r}catch(e){x(i||(i=new I),2,e)}}(),s.return){var a=function(e){try{n.done||s.return()}catch(e){}return e};if(i&&i.then)return i.then(a,function(e){throw a(e)});a()}return i}if(!("length"in e))throw new TypeError("Object is not iterable");for(var c=[],u=0;u<e.length;u++)c.push(e[u]);return function(e,t,r){var n,i,o=-1;return function r(s){try{for(;++o<e.length;)if((s=t(o))&&s.then){if(!N(s))return void s.then(r,i||(i=x.bind(null,n=new I,2)));s=s.v}n?x(n,1,s):n=s}catch(e){x(n||(n=new I),2,e)}}(),n}(c,function(e){return t(c[e])})}(r,function(r){return Promise.resolve(t.removeSession(e,r)).then(function(){})});if(n&&n.then)return n.then(function(){})})}catch(e){return Promise.reject(e)}},i.makeSignatureProvider=function(e,t){var i=this;return{getAvailableKeys:function(){return Promise.resolve(e)},sign:function(e){try{var o=function(){return Promise.resolve(i.sendRequest(a,u,s)).then(function(t){var n=t.signatures,i=r.Serializer.encode({object:t.transaction});return c({},e,{serializedTransaction:i,signatures:n})})},s=t||i.transport,a=n.SigningRequest.fromTransaction(e.chainId,e.serializedTransaction,i.requestOptions),u=i.callbackService.create();a.setCallback(u.url,!0),a.setBroadcast(!1);var l=function(){if(s.prepare)return Promise.resolve(s.prepare(a)).then(function(e){a=e})}();return Promise.resolve(l&&l.then?l.then(o):o())}catch(e){return Promise.reject(e)}}}},i.touchSession=function(e,t,r){void 0===r&&(r=!1);try{var n=this;return Promise.resolve(n.listSessions(e)).then(function(i){var o=T(t),s=i.findIndex(function(e){return T(e)===o});s>=0&&i.splice(s,1),!1===r&&i.unshift(t);var a=n.sessionKey(e,"list");return Promise.resolve(n.storage.write(a,JSON.stringify(i))).then(function(){})})}catch(e){return Promise.reject(e)}},i.storeSession=function(e,t){try{var r=this,n=r.sessionKey(e,T(t.auth)),i=JSON.stringify(t.serialize());return Promise.resolve(r.storage.write(n,i)).then(function(){return Promise.resolve(r.touchSession(e,t.auth)).then(function(){})})}catch(e){return Promise.reject(e)}},i.sessionKey=function(e,t){return[this.chainId.toString(),r.Name.from(e).toString(),t].join("-")},e}();function T(e){var t=r.PermissionLevel.from(e);return(t.actor.equals(n.PlaceholderName)?"<any>":String(t.actor))+"@"+(t.permission.equals(n.PlaceholderName)||t.permission.equals(n.PlaceholderPermission)?"<any>":String(t.permission))}for(var C={__proto__:null,default:L,get LinkOptions(){return v},PlaceholderAuth:n.PlaceholderAuth,PlaceholderName:n.PlaceholderName,PlaceholderPermission:n.PlaceholderPermission,Link:L,LinkSession:_,LinkChannelSession:q,LinkFallbackSession:O,CancelError:m,IdentityError:y,SessionError:g},U=L,D=0,F=Object.keys(C);D<F.length;D++){var A=F[D];"default"!==A&&(U[A]=C[A])}module.exports=U;
 //# sourceMappingURL=index.js.map

lib/index.m.js

@@ -16,3 +16,3 @@ import e from"pako";import{Struct as t,UInt64 as r,Serializer as n,Bytes as i,Checksum256 as o,PermissionLevel as s,PublicKey as a,Name as c,PrivateKey as u,Signature as f,SignedTransaction as l,APIClient as h}from"@greymass/eosio";import{SigningRequest as p,ResolvedSigningRequest as d,PlaceholderName as m,PlaceholderPermission as v,ChainId as y}from"eosio-signing-request";export{PlaceholderAuth,PlaceholderName,PlaceholderPermission}from"eosio-signing-request";import g from"fetch-ponyfill";import{AES_CBC as b}from"asmcrypto.js";import{v4 as w}from"uuid";import k from"isomorphic-ws";function P(){return(P=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var n in r)Object.prototype.hasOwnProperty.call(r,n)&&(e[n]=r[n])}return e}).apply(this,arguments)}function S(e,t){e.prototype=Object.create(t.prototype),e.prototype.constructor=e,e.__proto__=t}function _(e){return(_=Object.setPrototypeOf?Object.getPrototypeOf:function(e){return e.__proto__||Object.getPrototypeOf(e)})(e)}function q(e,t){return(q=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e})(e,t)}function O(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],function(){})),!0}catch(e){return!1}}function j(e,t,r){return(j=O()?Reflect.construct:function(e,t,r){var n=[null];n.push.apply(n,t);var i=new(Function.bind.apply(e,n));return r&&q(i,r.prototype),i}).apply(null,arguments)}function E(e){var t="function"==typeof Map?new Map:void 0;return(E=function(e){if(null===e||-1===Function.toString.call(e).indexOf("[native code]"))return e;if("function"!=typeof e)throw new TypeError("Super expression must either be null or a function");if(void 0!==t){if(t.has(e))return t.get(e);t.set(e,r)}function r(){return j(e,arguments,_(this).constructor)}return r.prototype=Object.create(e.prototype,{constructor:{value:r,enumerable:!1,writable:!0,configurable:!0}}),q(r,e)})(e)}var x,R=function(e){function t(t){var r;return(r=e.call(this,"User canceled request "+(t?"("+t+")":""))||this).code="E_CANCEL",r}return S(t,e),t}(E(Error)),K=function(e){function t(t){var r;return(r=e.call(this,"Unable to verify identity "+(t?"("+t+")":""))||this).code="E_IDENTITY",r}return S(t,e),t}(E(Error)),I=function(e){function t(t,r){var n;return(n=e.call(this,t)||this).code=r,n}return S(t,e),t}(E(Error));
 ***************************************************************************** */
-function N(e,t,r,n){var i,o=arguments.length,s=o<3?t:null===n?n=Object.getOwnPropertyDescriptor(t,r):n;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)s=Reflect.decorate(e,t,r,n);else for(var a=e.length-1;a>=0;a--)(i=e[a])&&(s=(o<3?i(s):o>3?i(t,r,s):i(t,r))||s);return o>3&&s&&Object.defineProperty(t,r,s),s}!function(e){e.defaults={chainId:"aca376f206b8fc25a6ed44dbdc66547c36c6c33e3a119ffbeaef943642f0e906",client:"https://eos.greymass.com",service:"https://cb.anchor.link"}}(x||(x={}));var T=function(e){function t(){return e.apply(this,arguments)||this}return S(t,e),t}(t);N([t.field("public_key")],T.prototype,"from",void 0),N([t.field("uint64")],T.prototype,"nonce",void 0),N([t.field("bytes")],T.prototype,"ciphertext",void 0),N([t.field("uint32")],T.prototype,"checksum",void 0),T=N([t.type("sealed_message")],T);var U=function(e){function t(){return e.apply(this,arguments)||this}return S(t,e),t}(t);N([t.field("name")],U.prototype,"session_name",void 0),N([t.field("public_key")],U.prototype,"request_key",void 0),U=N([t.type("link_create")],U);var D=function(e){function t(){return e.apply(this,arguments)||this}return S(t,e),t}(t);N([t.field("time_point_sec")],D.prototype,"expiration",void 0),D=N([t.type("link_info")],D);var F=g().fetch,L=function(){function e(){}return e.prototype.remove=function(){try{var e=this,t=function(){if(e.link.storage)return Promise.resolve(e.link.removeSession(e.identifier,e.auth)).then(function(){})}();return Promise.resolve(t&&t.then?t.then(function(){}):void 0)}catch(e){return Promise.reject(e)}},e.restore=function(e,t){switch(t.type){case"channel":return new C(e,t.data,t.metadata);case"fallback":return new A(e,t.data,t.metadata);default:throw new Error("Unable to restore, session data invalid")}},e}(),C=function(e){function t(t,f,l){var h;(h=e.call(this)||this).type="channel",h.timeout=12e4,h.link=t,h.auth=s.from(f.auth),h.publicKey=a.from(f.publicKey),h.channel=f.channel,h.identifier=c.from(f.identifier);var p=u.from(f.requestKey),d=a.from(f.channel.key);return h.encrypt=function(e){return function(e,t,s,a){var c=t.sharedSecret(s);a||(a=r.random());var u=n.encode({object:a}).appending(c.array).sha512Digest,f=new b(u.array.slice(0,32),u.array.slice(32,48)),l=i.from(f.encrypt(i.from(e,"utf8").array)),h=new DataView(o.hash(u.array).array.buffer).getUint32(0,!0);return T.from({from:t.toPublic(),nonce:a,ciphertext:l,checksum:h})}(e.encode(!0,!1),p,d)},h.metadata=P({},l||{},{timeout:h.timeout,name:h.channel.name}),h.serialize=function(){return{type:"channel",data:f,metadata:h.metadata}},h}S(t,e);var f=t.prototype;return f.onSuccess=function(e,t){this.link.transport.onSuccess&&this.link.transport.onSuccess(e,t)},f.onFailure=function(e,t){this.link.transport.onFailure&&this.link.transport.onFailure(e,t)},f.onRequest=function(e,t){var r=D.from({expiration:new Date(Date.now()+this.timeout).toISOString().slice(0,-1)});this.link.transport.onSessionRequest&&this.link.transport.onSessionRequest(this,e,t),setTimeout(function(){t(new I("Wallet did not respond in time","E_TIMEOUT"))},this.timeout+500),e.setInfoKey("link",r),F(this.channel.url,{method:"POST",headers:{"X-Buoy-Wait":(this.timeout/1e3).toFixed(0)},body:n.encode({object:this.encrypt(e)}).array}).then(function(e){200!==e.status&&t(new I("Unable to push message","E_DELIVERY"))}).catch(function(e){t(new I("Unable to reach link service ("+(e.message||String(e))+")","E_DELIVERY"))})},f.prepare=function(e){return this.link.transport.prepare?this.link.transport.prepare(e,this):Promise.resolve(e)},f.showLoading=function(){if(this.link.transport.showLoading)return this.link.transport.showLoading()},f.makeSignatureProvider=function(){return this.link.makeSignatureProvider([this.publicKey.toString()],this)},f.transact=function(e,t){return this.link.transact(e,t,this)},t}(L),A=function(e){function t(t,r,n){var i;return(i=e.call(this)||this).type="fallback",i.link=t,i.auth=s.from(r.auth),i.publicKey=a.from(r.publicKey),i.metadata=n||{},i.identifier=c.from(r.identifier),i.serialize=function(){return{type:i.type,data:r,metadata:i.metadata}},i}S(t,e);var r=t.prototype;return r.onSuccess=function(e,t){this.link.transport.onSuccess&&this.link.transport.onSuccess(e,t)},r.onFailure=function(e,t){this.link.transport.onFailure&&this.link.transport.onFailure(e,t)},r.onRequest=function(e,t){this.link.transport.onSessionRequest?this.link.transport.onSessionRequest(this,e,t):this.link.transport.onRequest(e,t)},r.prepare=function(e){return this.link.transport.prepare?this.link.transport.prepare(e,this):Promise.resolve(e)},r.showLoading=function(){if(this.link.transport.showLoading)return this.link.transport.showLoading()},r.makeSignatureProvider=function(){return this.link.makeSignatureProvider([this.publicKey.toString()],this)},r.transact=function(e,t){return this.link.transact(e,t,this)},t}(L),J=function(){function e(e){this.address=e.trim().replace(/\/$/,"")}return e.prototype.create=function(){var e=this.address+"/"+w();return new M(e)},e}(),M=function(){function e(e){this.url=e,this.ctx={}}var t=e.prototype;return t.wait=function(){return e=this.url,t=this.ctx,new Promise(function(r,n){var i=!0,o=0,s=e.replace(/^http/,"ws"),a=function(e){try{r(JSON.parse(e))}catch(e){e.message="Unable to parse callback JSON: "+e.message,n(e)}};!function e(){var r=new k(s);t.cancel=function(){i=!1,r.readyState!==k.OPEN&&r.readyState!==k.CONNECTING||r.close()},r.onmessage=function(e){if(i=!1,r.readyState===k.OPEN&&r.close(),"undefined"!=typeof Blob&&e.data instanceof Blob){var t=new FileReader;t.onload=function(){a(t.result)},t.onerror=function(e){n(e)},t.readAsText(e.data)}else a("string"==typeof e.data?e.data:e.data.toString())},r.onopen=function(){o=0},r.onclose=function(){var t;i&&setTimeout(e,(t=o++,Math.min(Math.pow(10*t,2),1e4)))}}()});var e,t},t.cancel=function(){this.ctx.cancel&&this.ctx.cancel()},e}();function z(e,t){try{var r=e()}catch(e){return t(e)}return r&&r.then?r.then(void 0,t):r}var B="undefined"!=typeof Symbol?Symbol.iterator||(Symbol.iterator=Symbol("Symbol.iterator")):"@@iterator";function V(e,t,r){if(!e.s){if(r instanceof W){if(!r.s)return void(r.o=V.bind(null,e,t));1&t&&(t=r.s),r=r.v}if(r&&r.then)return void r.then(V.bind(null,e,t),V.bind(null,e,2));e.s=t,e.v=r;var n=e.o;n&&n(e)}}var W=function(){function e(){}return e.prototype.then=function(t,r){var n=new e,i=this.s;if(i){var o=1&i?t:r;if(o){try{V(n,1,o(this.v))}catch(e){V(n,2,e)}return n}return this}return this.o=function(e){try{var i=e.v;1&e.s?V(n,1,t?t(i):i):r?V(n,1,r(i)):V(n,2,i)}catch(e){V(n,2,e)}},n},e}();function Y(e){return e instanceof W&&1&e.s}var G=function(){function t(t){if(this.abiCache=new Map,this.pendingAbis=new Map,"object"!=typeof t)throw new TypeError("Missing options object");if(!t.transport)throw new TypeError("options.transport is required, see https://github.com/greymass/anchor-link#transports");this.client=void 0===t.client||"string"==typeof t.client?new h({url:t.client||x.defaults.client}):t.client,this.chainId=y.from(t.chainId||x.defaults.chainId),this.callbackService=void 0===t.service||"string"==typeof t.service?new J(t.service||x.defaults.service):t.service,this.transport=t.transport,null!==t.storage&&(this.storage=t.storage||this.transport.storage),this.requestOptions={abiProvider:this,zlib:e}}var r=t.prototype;return r.getAbi=function(e){try{var t=this,r=e.toString(),n=t.abiCache.get(r),i=function(){if(!n){var i=t.pendingAbis.get(r);return i||(i=t.client.v1.chain.get_abi(e),t.pendingAbis.set(r,i)),Promise.resolve(i).then(function(e){n=e.abi,t.pendingAbis.delete(r),n&&t.abiCache.set(r,n)})}}();return Promise.resolve(i&&i.then?i.then(function(){return n}):n)}catch(e){return Promise.reject(e)}},r.createRequest=function(e,t){try{var r=this,n=t||r.transport;return Promise.resolve(p.create(P({},e,{chainId:r.chainId.toString(),broadcast:!1}),r.requestOptions)).then(function(e){function t(){var t=r.callbackService.create();return e.setCallback(t.url,!0),{request:e,callback:t}}var i=function(){if(n.prepare)return Promise.resolve(n.prepare(e)).then(function(t){e=t})}();return i&&i.then?i.then(t):t()})}catch(e){return Promise.reject(e)}},r.sendRequest=function(e,t,r,n){void 0===n&&(n=!1);try{var i=this,o=r||i.transport;return Promise.resolve(z(function(){if(e.data.callback!==t.url)throw new Error("Invalid request callback");if(!0===e.data.flags.broadcast||!1===e.data.flags.background)throw new Error("Invalid request flags");var r=new Promise(function(r,n){o.onRequest(e,function(e){t.cancel(),n("string"==typeof e?new R(e):e)})});return Promise.resolve(Promise.race([t.wait(),r])).then(function(t){var r=s.from({actor:t.sa,permission:t.sp}),a=Object.keys(t).filter(function(e){return e.startsWith("sig")&&"sig0"!==e}).map(function(e){return f.from(t[e])});return Promise.resolve(d.fromPayload(t,i.requestOptions)).then(function(s){function c(){return o.onSuccess&&o.onSuccess(e,h),h}var u=s.request.getInfoKey("fuel_sig","string");u&&a.unshift(f.from(u));var h={request:s.request,transaction:s.transaction,resolvedTransaction:s.resolvedTransaction,signatures:a,payload:t,signer:r},p=function(){if(n){var e=l.from(P({},s.transaction,{signatures:a}));return Promise.resolve(i.client.v1.chain.push_transaction(e)).then(function(e){h.processed=e.processed})}}();return p&&p.then?p.then(c):c()})})},function(t){throw o.onFailure&&o.onFailure(e,t),t}))}catch(e){return Promise.reject(e)}},r.transact=function(e,t,r){try{var n=this,i=r||n.transport,o=!t||!1!==t.broadcast;return i&&i.showLoading&&i.showLoading(),e.actions&&(e.expiration||e.ref_block_num||e.ref_block_prefix||e.max_net_usage_words||e.max_cpu_usage_ms||e.delay_sec)&&(e={transaction:P({expiration:"1970-01-01T00:00:00",ref_block_num:0,ref_block_prefix:0,max_net_usage_words:0,max_cpu_usage_ms:0,delay_sec:0},e)}),Promise.resolve(n.createRequest(e,i)).then(function(e){return Promise.resolve(n.sendRequest(e.request,e.callback,i,o))})}catch(e){return Promise.reject(e)}},r.identify=function(e){try{var t=this;return Promise.resolve(t.createRequest({identity:{permission:e.requestPermission,scope:e.scope},info:e.info})).then(function(r){var n=r.request;return Promise.resolve(t.sendRequest(n,r.callback)).then(function(r){if(!r.request.isIdentity())throw new K("Unexpected response");var i=r.transaction.signingDigest(n.getChainId()),o=r.signatures[0].recoverDigest(i),a=r.signer;return Promise.resolve(t.client.v1.chain.get_account(a.actor.toString())).then(function(t){if(!t)throw new K("Signature from unknown account: "+a.actor);var n=t.permissions.find(function(e){return a.permission.equals(e.perm_name)});if(!n)throw new K(a.actor+" signed for unknown permission: "+a.permission);var i=n.required_auth,c=i.keys.find(function(e){return o.equals(e.key)});if(!c)throw new K(X(a)+" has no key matching id signature");if(i.threshold>c.weight)throw new K(X(a)+" signature does not reach auth threshold");if(e.requestPermission){var u=s.from(e.requestPermission);if(!u.actor.equals(m)&&!u.actor.equals(a.actor)||!u.permission.equals(v)&&!u.permission.equals(a.permission))throw new K("Unexpected identity proof from "+X(a)+", expected "+X(u)+" ")}return P({},r,{account:t,signerKey:o})})})})}catch(e){return Promise.reject(e)}},r.login=function(e){try{var t=this,r=u.generate("K1"),n=r.toPublic(),i=U.from({session_name:e,request_key:n});return Promise.resolve(t.identify({scope:e,info:{link:i,scope:e}})).then(function(n){function i(){return P({},n,{session:o})}var o,s={sameDevice:void 0!==n.request.getRawInfo().return_path};o=n.payload.link_ch&&n.payload.link_key&&n.payload.link_name?new C(t,{identifier:e,auth:n.signer,publicKey:n.signerKey,channel:{url:n.payload.link_ch,key:n.payload.link_key,name:n.payload.link_name},requestKey:r},s):new A(t,{identifier:e,auth:n.signer,publicKey:n.signerKey},s);var a=function(){if(t.storage)return Promise.resolve(t.storeSession(e,o)).then(function(){})}();return a&&a.then?a.then(i):i()})}catch(e){return Promise.reject(e)}},r.restoreSession=function(e,t){try{var r,n,i=function(i){return r?i:Promise.resolve(o.storage.read(n)).then(function(r){if(!r)return null;var n;try{n=JSON.parse(r)}catch(e){throw new Error("Unable to restore session: Stored JSON invalid ("+(e.message||String(e))+")")}var i=L.restore(o,n),s=function(){if(t)return Promise.resolve(o.touchSession(e,t)).then(function(){})}();return s&&s.then?s.then(function(){return i}):i})},o=this;if(!o.storage)throw new Error("Unable to restore session: No storage adapter configured");var s=function(){if(!t)return Promise.resolve(o.listSessions(e)).then(function(t){var i=t[0];if(!i)return r=1,null;n=o.sessionKey(e,X(i))});n=o.sessionKey(e,X(t))}();return Promise.resolve(s&&s.then?s.then(i):i(s))}catch(e){return Promise.reject(e)}},r.listSessions=function(e){try{var t=this;if(!t.storage)throw new Error("Unable to list sessions: No storage adapter configured");var r,n=t.sessionKey(e,"list"),i=z(function(){return Promise.resolve(t.storage.read(n)).then(function(e){r=JSON.parse(e||"[]")})},function(e){throw new Error("Unable to list sessions: Stored JSON invalid ("+(e.message||String(e))+")")});return Promise.resolve(i&&i.then?i.then(function(e){return r}):r)}catch(e){return Promise.reject(e)}},r.removeSession=function(e,t){try{var r=this;if(!r.storage)throw new Error("Unable to remove session: No storage adapter configured");var n=r.sessionKey(e,X(t));return Promise.resolve(r.storage.remove(n)).then(function(){return Promise.resolve(r.touchSession(e,t,!0)).then(function(){})})}catch(e){return Promise.reject(e)}},r.clearSessions=function(e){try{var t=this;if(!t.storage)throw new Error("Unable to clear sessions: No storage adapter configured");return Promise.resolve(t.listSessions(e)).then(function(r){var n=function(e,t,r){if("function"==typeof e[B]){var n,i,o,s=e[B]();if(function e(r){try{for(;!(n=s.next()).done;)if((r=t(n.value))&&r.then){if(!Y(r))return void r.then(e,o||(o=V.bind(null,i=new W,2)));r=r.v}i?V(i,1,r):i=r}catch(e){V(i||(i=new W),2,e)}}(),s.return){var a=function(e){try{n.done||s.return()}catch(e){}return e};if(i&&i.then)return i.then(a,function(e){throw a(e)});a()}return i}if(!("length"in e))throw new TypeError("Object is not iterable");for(var c=[],u=0;u<e.length;u++)c.push(e[u]);return function(e,t,r){var n,i,o=-1;return function r(s){try{for(;++o<e.length;)if((s=t(o))&&s.then){if(!Y(s))return void s.then(r,i||(i=V.bind(null,n=new W,2)));s=s.v}n?V(n,1,s):n=s}catch(e){V(n||(n=new W),2,e)}}(),n}(c,function(e){return t(c[e])})}(r,function(r){return Promise.resolve(t.removeSession(e,r)).then(function(){})});if(n&&n.then)return n.then(function(){})})}catch(e){return Promise.reject(e)}},r.makeSignatureProvider=function(e,t){var r=this;return{getAvailableKeys:function(){return Promise.resolve(e)},sign:function(e){try{var i=function(){return Promise.resolve(r.sendRequest(s,a,o)).then(function(t){var r=t.signatures,i=n.encode({object:t.transaction});return P({},e,{serializedTransaction:i,signatures:r})})},o=t||r.transport,s=p.fromTransaction(e.chainId,e.serializedTransaction,r.requestOptions),a=r.callbackService.create();s.setCallback(a.url,!0),s.setBroadcast(!1);var c=function(){if(o.prepare)return Promise.resolve(o.prepare(s)).then(function(e){s=e})}();return Promise.resolve(c&&c.then?c.then(i):i())}catch(e){return Promise.reject(e)}}}},r.touchSession=function(e,t,r){void 0===r&&(r=!1);try{var n=this;return Promise.resolve(n.listSessions(e)).then(function(i){var o=X(t),s=i.findIndex(function(e){return X(e)===o});s>=0&&i.splice(s,1),!1===r&&i.unshift(t);var a=n.sessionKey(e,"list");return Promise.resolve(n.storage.write(a,JSON.stringify(i))).then(function(){})})}catch(e){return Promise.reject(e)}},r.storeSession=function(e,t){try{var r=this,n=r.sessionKey(e,X(t.auth)),i=JSON.stringify(t.serialize());return Promise.resolve(r.storage.write(n,i)).then(function(){return Promise.resolve(r.touchSession(e,t.auth)).then(function(){})})}catch(e){return Promise.reject(e)}},r.sessionKey=function(e,t){return[this.chainId.toString(),c.from(e).toString(),t].join("-")},t}();function X(e){var t=s.from(e);return(t.actor.equals(m)?"<any>":String(t.actor))+"@"+(t.permission.equals(m)||t.permission.equals(v)?"<any>":String(t.permission))}export default G;export{R as CancelError,K as IdentityError,G as Link,C as LinkChannelSession,A as LinkFallbackSession,x as LinkOptions,L as LinkSession,I as SessionError};
+function N(e,t,r,n){var i,o=arguments.length,s=o<3?t:null===n?n=Object.getOwnPropertyDescriptor(t,r):n;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)s=Reflect.decorate(e,t,r,n);else for(var a=e.length-1;a>=0;a--)(i=e[a])&&(s=(o<3?i(s):o>3?i(t,r,s):i(t,r))||s);return o>3&&s&&Object.defineProperty(t,r,s),s}!function(e){e.defaults={chainId:"aca376f206b8fc25a6ed44dbdc66547c36c6c33e3a119ffbeaef943642f0e906",client:"https://eos.greymass.com",service:"https://cb.anchor.link"}}(x||(x={}));var T=function(e){function t(){return e.apply(this,arguments)||this}return S(t,e),t}(t);N([t.field("public_key")],T.prototype,"from",void 0),N([t.field("uint64")],T.prototype,"nonce",void 0),N([t.field("bytes")],T.prototype,"ciphertext",void 0),N([t.field("uint32")],T.prototype,"checksum",void 0),T=N([t.type("sealed_message")],T);var U=function(e){function t(){return e.apply(this,arguments)||this}return S(t,e),t}(t);N([t.field("name")],U.prototype,"session_name",void 0),N([t.field("public_key")],U.prototype,"request_key",void 0),U=N([t.type("link_create")],U);var D=function(e){function t(){return e.apply(this,arguments)||this}return S(t,e),t}(t);N([t.field("time_point_sec")],D.prototype,"expiration",void 0),D=N([t.type("link_info")],D);var F=g().fetch,L=function(){function e(){}return e.prototype.remove=function(){try{var e=this,t=function(){if(e.link.storage)return Promise.resolve(e.link.removeSession(e.identifier,e.auth)).then(function(){})}();return Promise.resolve(t&&t.then?t.then(function(){}):void 0)}catch(e){return Promise.reject(e)}},e.restore=function(e,t){switch(t.type){case"channel":return new C(e,t.data,t.metadata);case"fallback":return new A(e,t.data,t.metadata);default:throw new Error("Unable to restore, session data invalid")}},e}(),C=function(e){function t(t,f,l){var h;(h=e.call(this)||this).type="channel",h.timeout=12e4,h.link=t,h.auth=s.from(f.auth),h.publicKey=a.from(f.publicKey),h.channel=f.channel,h.identifier=c.from(f.identifier);var p=u.from(f.requestKey),d=a.from(f.channel.key);return h.encrypt=function(e){return function(e,t,s,a){var c=t.sharedSecret(s);a||(a=r.random());var u=n.encode({object:a}).appending(c.array).sha512Digest,f=new b(u.array.slice(0,32),u.array.slice(32,48)),l=i.from(f.encrypt(i.from(e,"utf8").array)),h=new DataView(o.hash(u.array).array.buffer).getUint32(0,!0);return T.from({from:t.toPublic(),nonce:a,ciphertext:l,checksum:h})}(e.encode(!0,!1),p,d)},h.metadata=P({},l||{},{timeout:h.timeout,name:h.channel.name}),h.serialize=function(){return{type:"channel",data:f,metadata:h.metadata}},h}S(t,e);var f=t.prototype;return f.onSuccess=function(e,t){this.link.transport.onSuccess&&this.link.transport.onSuccess(e,t)},f.onFailure=function(e,t){this.link.transport.onFailure&&this.link.transport.onFailure(e,t)},f.onRequest=function(e,t){var r=D.from({expiration:new Date(Date.now()+this.timeout).toISOString().slice(0,-1)});this.link.transport.onSessionRequest&&this.link.transport.onSessionRequest(this,e,t),setTimeout(function(){t(new I("Wallet did not respond in time","E_TIMEOUT"))},this.timeout+500),e.setInfoKey("link",r),F(this.channel.url,{method:"POST",headers:{"X-Buoy-Wait":(this.timeout/1e3).toFixed(0)},body:n.encode({object:this.encrypt(e)}).array}).then(function(e){200!==e.status&&t(new I("Unable to push message","E_DELIVERY"))}).catch(function(e){t(new I("Unable to reach link service ("+(e.message||String(e))+")","E_DELIVERY"))})},f.prepare=function(e){return this.link.transport.prepare?this.link.transport.prepare(e,this):Promise.resolve(e)},f.showLoading=function(){if(this.link.transport.showLoading)return this.link.transport.showLoading()},f.makeSignatureProvider=function(){return this.link.makeSignatureProvider([this.publicKey.toString()],this)},f.transact=function(e,t){return this.link.transact(e,t,this)},t}(L),A=function(e){function t(t,r,n){var i;return(i=e.call(this)||this).type="fallback",i.link=t,i.auth=s.from(r.auth),i.publicKey=a.from(r.publicKey),i.metadata=n||{},i.identifier=c.from(r.identifier),i.serialize=function(){return{type:i.type,data:r,metadata:i.metadata}},i}S(t,e);var r=t.prototype;return r.onSuccess=function(e,t){this.link.transport.onSuccess&&this.link.transport.onSuccess(e,t)},r.onFailure=function(e,t){this.link.transport.onFailure&&this.link.transport.onFailure(e,t)},r.onRequest=function(e,t){this.link.transport.onSessionRequest?this.link.transport.onSessionRequest(this,e,t):this.link.transport.onRequest(e,t)},r.prepare=function(e){return this.link.transport.prepare?this.link.transport.prepare(e,this):Promise.resolve(e)},r.showLoading=function(){if(this.link.transport.showLoading)return this.link.transport.showLoading()},r.makeSignatureProvider=function(){return this.link.makeSignatureProvider([this.publicKey.toString()],this)},r.transact=function(e,t){return this.link.transact(e,t,this)},t}(L),J=function(){function e(e){this.address=e.trim().replace(/\/$/,"")}return e.prototype.create=function(){var e=this.address+"/"+w();return new M(e)},e}(),M=function(){function e(e){this.url=e,this.ctx={}}var t=e.prototype;return t.wait=function(){return e=this.url,t=this.ctx,new Promise(function(r,n){var i=!0,o=0,s=e.replace(/^http/,"ws"),a=function(e){try{r(JSON.parse(e))}catch(e){e.message="Unable to parse callback JSON: "+e.message,n(e)}};!function e(){var r=new k(s);t.cancel=function(){i=!1,r.readyState!==k.OPEN&&r.readyState!==k.CONNECTING||r.close()},r.onmessage=function(e){if(i=!1,r.readyState===k.OPEN&&r.close(),"undefined"!=typeof Blob&&e.data instanceof Blob){var t=new FileReader;t.onload=function(){a(t.result)},t.onerror=function(e){n(e)},t.readAsText(e.data)}else a("string"==typeof e.data?e.data:e.data.toString())},r.onopen=function(){o=0},r.onclose=function(){var t;i&&setTimeout(e,(t=o++,Math.min(Math.pow(10*t,2),1e4)))}}()});var e,t},t.cancel=function(){this.ctx.cancel&&this.ctx.cancel()},e}();function z(e,t){try{var r=e()}catch(e){return t(e)}return r&&r.then?r.then(void 0,t):r}var B="undefined"!=typeof Symbol?Symbol.iterator||(Symbol.iterator=Symbol("Symbol.iterator")):"@@iterator";function V(e,t,r){if(!e.s){if(r instanceof W){if(!r.s)return void(r.o=V.bind(null,e,t));1&t&&(t=r.s),r=r.v}if(r&&r.then)return void r.then(V.bind(null,e,t),V.bind(null,e,2));e.s=t,e.v=r;var n=e.o;n&&n(e)}}var W=function(){function e(){}return e.prototype.then=function(t,r){var n=new e,i=this.s;if(i){var o=1&i?t:r;if(o){try{V(n,1,o(this.v))}catch(e){V(n,2,e)}return n}return this}return this.o=function(e){try{var i=e.v;1&e.s?V(n,1,t?t(i):i):r?V(n,1,r(i)):V(n,2,i)}catch(e){V(n,2,e)}},n},e}();function Y(e){return e instanceof W&&1&e.s}var G=function(){function t(t){if(this.abiCache=new Map,this.pendingAbis=new Map,"object"!=typeof t)throw new TypeError("Missing options object");if(!t.transport)throw new TypeError("options.transport is required, see https://github.com/greymass/anchor-link#transports");this.client=void 0===t.client||"string"==typeof t.client?new h({url:t.client||x.defaults.client}):t.client,this.chainId=y.from(t.chainId||x.defaults.chainId),this.callbackService=void 0===t.service||"string"==typeof t.service?new J(t.service||x.defaults.service):t.service,this.transport=t.transport,null!==t.storage&&(this.storage=t.storage||this.transport.storage),this.requestOptions={abiProvider:this,zlib:e}}var r=t.prototype;return r.getAbi=function(e){try{var t=this,r=e.toString(),n=t.abiCache.get(r),i=function(){if(!n){var i=t.pendingAbis.get(r);return i||(i=t.client.v1.chain.get_abi(e),t.pendingAbis.set(r,i)),Promise.resolve(i).then(function(e){n=e.abi,t.pendingAbis.delete(r),n&&t.abiCache.set(r,n)})}}();return Promise.resolve(i&&i.then?i.then(function(){return n}):n)}catch(e){return Promise.reject(e)}},r.createRequest=function(e,t){try{var r=this,n=t||r.transport;return Promise.resolve(p.create(P({},e,{chainId:r.chainId.toString(),broadcast:!1}),r.requestOptions)).then(function(e){function t(){var t=r.callbackService.create();return e.setCallback(t.url,!0),{request:e,callback:t}}var i=function(){if(n.prepare)return Promise.resolve(n.prepare(e)).then(function(t){e=t})}();return i&&i.then?i.then(t):t()})}catch(e){return Promise.reject(e)}},r.sendRequest=function(e,t,r,n){void 0===n&&(n=!1);try{var i=this,o=r||i.transport;return Promise.resolve(z(function(){if(e.data.callback!==t.url)throw new Error("Invalid request callback");if(!0===e.data.flags.broadcast||!1===e.data.flags.background)throw new Error("Invalid request flags");var r=new Promise(function(r,n){o.onRequest(e,function(e){t.cancel(),n("string"==typeof e?new R(e):e)})});return Promise.resolve(Promise.race([t.wait(),r])).then(function(t){var r=s.from({actor:t.sa,permission:t.sp}),a=Object.keys(t).filter(function(e){return e.startsWith("sig")&&"sig0"!==e}).map(function(e){return f.from(t[e])});return Promise.resolve(d.fromPayload(t,i.requestOptions)).then(function(s){function c(){return o.onSuccess&&o.onSuccess(e,h),h}var u=s.request.getInfoKey("fuel_sig","string");u&&a.unshift(f.from(u));var h={request:s.request,transaction:s.transaction,resolvedTransaction:s.resolvedTransaction,signatures:a,payload:t,signer:r},p=function(){if(n){var e=l.from(P({},s.transaction,{signatures:a}));return Promise.resolve(i.client.v1.chain.push_transaction(e)).then(function(e){h.processed=e.processed})}}();return p&&p.then?p.then(c):c()})})},function(t){throw o.onFailure&&o.onFailure(e,t),t}))}catch(e){return Promise.reject(e)}},r.transact=function(e,t,r){try{var n=this,i=r||n.transport,o=!t||!1!==t.broadcast;return i&&i.showLoading&&i.showLoading(),e.actions&&(e.expiration||e.ref_block_num||e.ref_block_prefix||e.max_net_usage_words||e.max_cpu_usage_ms||e.delay_sec)&&(e={transaction:P({expiration:"1970-01-01T00:00:00",ref_block_num:0,ref_block_prefix:0,max_net_usage_words:0,max_cpu_usage_ms:0,delay_sec:0},e)}),Promise.resolve(n.createRequest(e,i)).then(function(e){return Promise.resolve(n.sendRequest(e.request,e.callback,i,o))})}catch(e){return Promise.reject(e)}},r.identify=function(e){try{var t=this;return Promise.resolve(t.createRequest({identity:{permission:e.requestPermission,scope:e.scope},info:e.info})).then(function(r){var n=r.request;return Promise.resolve(t.sendRequest(n,r.callback)).then(function(r){if(!r.request.isIdentity())throw new K("Unexpected response");var i=r.transaction.signingDigest(n.getChainId()),o=r.signatures[0].recoverDigest(i),a=r.signer;return Promise.resolve(t.client.v1.chain.get_account(a.actor)).then(function(t){if(!t)throw new K("Signature from unknown account: "+a.actor);var n=t.permissions.find(function(e){return a.permission.equals(e.perm_name)});if(!n)throw new K(a.actor+" signed for unknown permission: "+a.permission);var i=n.required_auth,c=i.keys.find(function(e){return o.equals(e.key)});if(!c)throw new K(X(a)+" has no key matching id signature ("+o+")");if(i.threshold>c.weight)throw new K(X(a)+" signature does not reach auth threshold");if(e.requestPermission){var u=s.from(e.requestPermission);if(!u.actor.equals(m)&&!u.actor.equals(a.actor)||!u.permission.equals(v)&&!u.permission.equals(a.permission))throw new K("Unexpected identity proof from "+X(a)+", expected "+X(u)+" ")}return P({},r,{account:t,signerKey:o})})})})}catch(e){return Promise.reject(e)}},r.login=function(e){try{var t=this,r=u.generate("K1"),n=r.toPublic(),i=U.from({session_name:e,request_key:n});return Promise.resolve(t.identify({scope:e,info:{link:i,scope:e}})).then(function(n){function i(){return P({},n,{session:o})}var o,s={sameDevice:void 0!==n.request.getRawInfo().return_path};o=n.payload.link_ch&&n.payload.link_key&&n.payload.link_name?new C(t,{identifier:e,auth:n.signer,publicKey:n.signerKey,channel:{url:n.payload.link_ch,key:n.payload.link_key,name:n.payload.link_name},requestKey:r},s):new A(t,{identifier:e,auth:n.signer,publicKey:n.signerKey},s);var a=function(){if(t.storage)return Promise.resolve(t.storeSession(e,o)).then(function(){})}();return a&&a.then?a.then(i):i()})}catch(e){return Promise.reject(e)}},r.restoreSession=function(e,t){try{var r,n,i=function(i){return r?i:Promise.resolve(o.storage.read(n)).then(function(r){if(!r)return null;var n;try{n=JSON.parse(r)}catch(e){throw new Error("Unable to restore session: Stored JSON invalid ("+(e.message||String(e))+")")}var i=L.restore(o,n),s=function(){if(t)return Promise.resolve(o.touchSession(e,t)).then(function(){})}();return s&&s.then?s.then(function(){return i}):i})},o=this;if(!o.storage)throw new Error("Unable to restore session: No storage adapter configured");var s=function(){if(!t)return Promise.resolve(o.listSessions(e)).then(function(t){var i=t[0];if(!i)return r=1,null;n=o.sessionKey(e,X(i))});n=o.sessionKey(e,X(t))}();return Promise.resolve(s&&s.then?s.then(i):i(s))}catch(e){return Promise.reject(e)}},r.listSessions=function(e){try{var t=this;if(!t.storage)throw new Error("Unable to list sessions: No storage adapter configured");var r,n=t.sessionKey(e,"list"),i=z(function(){return Promise.resolve(t.storage.read(n)).then(function(e){r=JSON.parse(e||"[]")})},function(e){throw new Error("Unable to list sessions: Stored JSON invalid ("+(e.message||String(e))+")")});return Promise.resolve(i&&i.then?i.then(function(e){return r}):r)}catch(e){return Promise.reject(e)}},r.removeSession=function(e,t){try{var r=this;if(!r.storage)throw new Error("Unable to remove session: No storage adapter configured");var n=r.sessionKey(e,X(t));return Promise.resolve(r.storage.remove(n)).then(function(){return Promise.resolve(r.touchSession(e,t,!0)).then(function(){})})}catch(e){return Promise.reject(e)}},r.clearSessions=function(e){try{var t=this;if(!t.storage)throw new Error("Unable to clear sessions: No storage adapter configured");return Promise.resolve(t.listSessions(e)).then(function(r){var n=function(e,t,r){if("function"==typeof e[B]){var n,i,o,s=e[B]();if(function e(r){try{for(;!(n=s.next()).done;)if((r=t(n.value))&&r.then){if(!Y(r))return void r.then(e,o||(o=V.bind(null,i=new W,2)));r=r.v}i?V(i,1,r):i=r}catch(e){V(i||(i=new W),2,e)}}(),s.return){var a=function(e){try{n.done||s.return()}catch(e){}return e};if(i&&i.then)return i.then(a,function(e){throw a(e)});a()}return i}if(!("length"in e))throw new TypeError("Object is not iterable");for(var c=[],u=0;u<e.length;u++)c.push(e[u]);return function(e,t,r){var n,i,o=-1;return function r(s){try{for(;++o<e.length;)if((s=t(o))&&s.then){if(!Y(s))return void s.then(r,i||(i=V.bind(null,n=new W,2)));s=s.v}n?V(n,1,s):n=s}catch(e){V(n||(n=new W),2,e)}}(),n}(c,function(e){return t(c[e])})}(r,function(r){return Promise.resolve(t.removeSession(e,r)).then(function(){})});if(n&&n.then)return n.then(function(){})})}catch(e){return Promise.reject(e)}},r.makeSignatureProvider=function(e,t){var r=this;return{getAvailableKeys:function(){return Promise.resolve(e)},sign:function(e){try{var i=function(){return Promise.resolve(r.sendRequest(s,a,o)).then(function(t){var r=t.signatures,i=n.encode({object:t.transaction});return P({},e,{serializedTransaction:i,signatures:r})})},o=t||r.transport,s=p.fromTransaction(e.chainId,e.serializedTransaction,r.requestOptions),a=r.callbackService.create();s.setCallback(a.url,!0),s.setBroadcast(!1);var c=function(){if(o.prepare)return Promise.resolve(o.prepare(s)).then(function(e){s=e})}();return Promise.resolve(c&&c.then?c.then(i):i())}catch(e){return Promise.reject(e)}}}},r.touchSession=function(e,t,r){void 0===r&&(r=!1);try{var n=this;return Promise.resolve(n.listSessions(e)).then(function(i){var o=X(t),s=i.findIndex(function(e){return X(e)===o});s>=0&&i.splice(s,1),!1===r&&i.unshift(t);var a=n.sessionKey(e,"list");return Promise.resolve(n.storage.write(a,JSON.stringify(i))).then(function(){})})}catch(e){return Promise.reject(e)}},r.storeSession=function(e,t){try{var r=this,n=r.sessionKey(e,X(t.auth)),i=JSON.stringify(t.serialize());return Promise.resolve(r.storage.write(n,i)).then(function(){return Promise.resolve(r.touchSession(e,t.auth)).then(function(){})})}catch(e){return Promise.reject(e)}},r.sessionKey=function(e,t){return[this.chainId.toString(),c.from(e).toString(),t].join("-")},t}();function X(e){var t=s.from(e);return(t.actor.equals(m)?"<any>":String(t.actor))+"@"+(t.permission.equals(m)||t.permission.equals(v)?"<any>":String(t.permission))}export default G;export{R as CancelError,K as IdentityError,G as Link,C as LinkChannelSession,A as LinkFallbackSession,x as LinkOptions,L as LinkSession,I as SessionError};
 //# sourceMappingURL=index.m.js.map

package.json

 {
     "name": "anchor-link",
-    "version": "3.0.0-beta3",
+    "version": "3.0.0-beta4",
     "description": "Library for authenticating and signing transactions using the Anchor Link protocol",
@@ -36,3 +36,3 @@ "license": "MIT",
         "asmcrypto.js": "^2.3.2",
-        "eosio-signing-request": "next",
+        "eosio-signing-request": "^2.0.0-beta4",
         "fetch-ponyfill": "^6.1.0",
@@ -39,0 +39,0 @@ "isomorphic-ws": "^4.0.1",

src/link.ts

@@ -364,3 +364,3 @@ import zlib from 'pako'
 
-        const account = await this.client.v1.chain.get_account(signer.actor.toString()) // TODO: get_account should accept NameType
+        const account = await this.client.v1.chain.get_account(signer.actor)
         if (!account) {
@@ -380,3 +380,5 @@ throw new IdentityError(`Signature from unknown account: ${signer.actor}`)
         if (!keyAuth) {
-            throw new IdentityError(`${formatAuth(signer)} has no key matching id signature`)
+            throw new IdentityError(
+                `${formatAuth(signer)} has no key matching id signature (${signerKey})`
+            )
         }
@@ -383,0 +385,0 @@ if (auth.threshold > keyAuth.weight) {

No alert changes

Improved metrics

Total package byte prevSize

2219554

Lines of code

3262

increased by0.03%

Dependency changes

• + Added@greymass/eosio@0.6.11(transitive)

• + Addedeosio-signing-request@2.5.3(transitive)

• - Removed@wharfkit/antelope@0.7.3(transitive)

• - Removedeosio-signing-request@3.0.0-beta1(transitive)

• Updatedeosio-signing-request@^2.0.0-beta4