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An error occurred on the server while parsing the JSON text."},"-32600":{standard:"JSON RPC 2.0",message:"The JSON sent is not a valid Request object."},"-32601":{standard:"JSON RPC 2.0",message:"The method does not exist / is not available."},"-32602":{standard:"JSON RPC 2.0",message:"Invalid method parameter(s)."},"-32603":{standard:"JSON RPC 2.0",message:"Internal JSON-RPC error."},"-32000":{standard:"EIP-1474",message:"Invalid input."},"-32001":{standard:"EIP-1474",message:"Resource not found."},"-32002":{standard:"EIP-1474",message:"Resource unavailable."},"-32003":{standard:"EIP-1474",message:"Transaction rejected."},"-32004":{standard:"EIP-1474",message:"Method not supported."},"-32005":{standard:"EIP-1474",message:"Request limit exceeded."},4001:{standard:"EIP-1193",message:"User rejected the request."},4100:{standard:"EIP-1193",message:"The requested account and/or method has not been authorized by the user."},4200:{standard:"EIP-1193",message:"The requested method is not supported by this Ethereum provider."},4900:{standard:"EIP-1193",message:"The provider is disconnected from all chains."},4901:{standard:"EIP-1193",message:"The provider is disconnected from the specified chain."}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.EthereumProviderError=t.EthereumRpcError=void 0;const n=r(15);class i extends Error{constructor(e,t,r){if(!Number.isInteger(e))throw new Error(\'"code" must be an integer.\');if(!t||"string"!=typeof t)throw new Error(\'"message" must be a nonempty string.\');super(t),this.code=e,void 0!==r&&(this.data=r)}serialize(){const e={code:this.code,message:this.message};return void 0!==this.data&&(e.data=this.data),this.stack&&(e.stack=this.stack),e}toString(){return n.default(this.serialize(),o,2)}}t.EthereumRpcError=i;function o(e,t){if("[Circular]"!==t)return t}t.EthereumProviderError=class extends i{constructor(e,t,r){if(!function(e){return Number.isInteger(e)&&e>=1e3&&e<=4999}(e))throw new Error(\'"code" must be an integer such that: 1000 <= code <= 4999\');super(e,t,r)}}},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.errorValues=t.errorCodes=void 0,t.errorCodes={rpc:{invalidInput:-32e3,resourceNotFound:-32001,resourceUnavailable:-32002,transactionRejected:-32003,methodNotSupported:-32004,limitExceeded:-32005,parse:-32700,invalidRequest:-32600,methodNotFound:-32601,invalidParams:-32602,internal:-32603},provider:{userRejectedRequest:4001,unauthorized:4100,unsupportedMethod:4200,disconnected:4900,chainDisconnected:4901}},t.errorValues={"-32700":{standard:"JSON RPC 2.0",message:"Invalid JSON was received by the server. An error occurred on the server while parsing the JSON text."},"-32600":{standard:"JSON RPC 2.0",message:"The JSON sent is not a valid Request object."},"-32601":{standard:"JSON RPC 2.0",message:"The method does not exist / is not available."},"-32602":{standard:"JSON RPC 2.0",message:"Invalid method parameter(s)."},"-32603":{standard:"JSON RPC 2.0",message:"Internal JSON-RPC error."},"-32000":{standard:"EIP-1474",message:"Invalid input."},"-32001":{standard:"EIP-1474",message:"Resource not found."},"-32002":{standard:"EIP-1474",message:"Resource unavailable."},"-32003":{standard:"EIP-1474",message:"Transaction rejected."},"-32004":{standard:"EIP-1474",message:"Method not supported."},"-32005":{standard:"EIP-1474",message:"Request limit exceeded."},4001:{standard:"EIP-1193",message:"User rejected the request."},4100:{standard:"EIP-1193",message:"The requested account and/or method has not been authorized by the user."},4200:{standard:"EIP-1193",message:"The requested method is not 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n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0});const i=n(r(27)),o=r(62),a=r(69),s=n(r(38)),u=n(r(13)),c=n(r(86)),d=r(45),l=r(88),f=n(r(47)),h=n(r(89)),p=r(48);class g extends u.default{constructor(e,{jsonRpcStreamName:t="metamask-provider",logger:r=console,maxEventListeners:n=100,shouldSendMetadata:u=!0}={}){if(!l.duplex(e))throw new Error(f.default.errors.invalidDuplexStream());if("number"!=typeof n||"boolean"!=typeof u)throw new Error(f.default.errors.invalidOptions(n,u));!function(e){if(e!==console){if("object"==typeof e){const t=["log","warn","error","debug","info","trace"];for(const r of t)if("function"!=typeof e[r])throw new Error(f.default.errors.invalidLoggerMethod(r));return}throw new Error(f.default.errors.invalidLoggerObject())}}(r),super(),this._log=r,this.isMetaMask=!0,this.setMaxListeners(n),this._state={sentWarnings:{enable:!1,experimentalMethods:!1,send:!1,events:{close:!1,data:!1,networkChanged:!1,notification:!1}},accounts:null,isConnected:!1,isUnlocked:!1,initialized:!1,isPermanentlyDisconnected:!1},this._metamask=this._getExperimentalApi(),this.selectedAddress=null,this.networkVersion=null,this.chainId=null,this._handleAccountsChanged=this._handleAccountsChanged.bind(this),this._handleConnect=this._handleConnect.bind(this),this._handleChainChanged=this._handleChainChanged.bind(this),this._handleDisconnect=this._handleDisconnect.bind(this),this._handleStreamDisconnect=this._handleStreamDisconnect.bind(this),this._handleUnlockStateChanged=this._handleUnlockStateChanged.bind(this),this._sendSync=this._sendSync.bind(this),this._rpcRequest=this._rpcRequest.bind(this),this._warnOfDeprecation=this._warnOfDeprecation.bind(this),this.enable=this.enable.bind(this),this.request=this.request.bind(this),this.send=this.send.bind(this),this.sendAsync=this.sendAsync.bind(this);const c=new s.default;i.default(e,c,e,this._handleStreamDisconnect.bind(this,"MetaMask")),c.ignoreStream("phishing"),this.on("connect",()=>{this._state.isConnected=!0});const d=a.createStreamMiddleware();i.default(d.stream,c.createStream(t),d.stream,this._handleStreamDisconnect.bind(this,"MetaMask RpcProvider"));const g=new o.JsonRpcEngine;if(g.push(o.createIdRemapMiddleware()),g.push(p.createErrorMiddleware(this._log)),g.push(d.middleware),this._rpcEngine=g,this._initializeState(),d.events.on("notification",t=>{const{method:r,params:n}=t;"metamask_accountsChanged"===r?this._handleAccountsChanged(n):"metamask_unlockStateChanged"===r?this._handleUnlockStateChanged(n):"metamask_chainChanged"===r?this._handleChainChanged(n):p.EMITTED_NOTIFICATIONS.includes(r)?(this.emit("data",t),this.emit("message",{type:r,data:n}),this.emit("notification",t.params.result)):"METAMASK_STREAM_FAILURE"===r&&e.destroy(new Error(f.default.errors.permanentlyDisconnected()))}),u)if("complete"===document.readyState)h.default(this._rpcEngine,this._log);else{const e=()=>{h.default(this._rpcEngine,this._log),window.removeEventListener("DOMContentLoaded",e)};window.addEventListener("DOMContentLoaded",e)}}isConnected(){return this._state.isConnected}async request(e){if(!e||"object"!=typeof e||Array.isArray(e))throw d.ethErrors.rpc.invalidRequest({message:f.default.errors.invalidRequestArgs(),data:e});const{method:t,params:r}=e;if("string"!=typeof t||0===t.length)throw d.ethErrors.rpc.invalidRequest({message:f.default.errors.invalidRequestMethod(),data:e});if(void 0!==r&&!Array.isArray(r)&&("object"!=typeof r||null===r))throw d.ethErrors.rpc.invalidRequest({message:f.default.errors.invalidRequestParams(),data:e});return new Promise((e,n)=>{this._rpcRequest({method:t,params:r},p.getRpcPromiseCallback(e,n))})}sendAsync(e,t){this._rpcRequest(e,t)}addListener(e,t){return this._warnOfDeprecation(e),super.addListener(e,t)}on(e,t){return this._warnOfDeprecation(e),super.on(e,t)}once(e,t){return this._warnOfDeprecation(e),super.once(e,t)}prependListener(e,t){return this._warnOfDeprecation(e),super.prependListener(e,t)}prependOnceListener(e,t){return this._warnOfDeprecation(e),super.prependOnceListener(e,t)}async _initializeState(){try{const{accounts:e,chainId:t,isUnlocked:r,networkVersion:n}=await this.request({method:"metamask_getProviderState"});this.emit("connect",{chainId:t}),this._handleChainChanged({chainId:t,networkVersion:n}),this._handleUnlockStateChanged({accounts:e,isUnlocked:r}),this._handleAccountsChanged(e)}catch(e){this._log.error("MetaMask: Failed to get initial state. Please report this bug.",e)}finally{this._state.initialized=!0,this.emit("_initialized")}}_rpcRequest(e,t){let r=t;return Array.isArray(e)||(e.jsonrpc||(e.jsonrpc="2.0"),"eth_accounts"!==e.method&&"eth_requestAccounts"!==e.method||(r=(r,n)=>{this._handleAccountsChanged(n.result||[],"eth_accounts"===e.method),t(r,n)})),this._rpcEngine.handle(e,r)}_handleConnect(e){this._state.isConnected||(this._state.isConnected=!0,this.emit("connect",{chainId:e}),this._log.debug(f.default.info.connected(e)))}_handleDisconnect(e,t){if(this._state.isConnected||!this._state.isPermanentlyDisconnected&&!e){let r;this._state.isConnected=!1,e?(r=new d.EthereumRpcError(1013,t||f.default.errors.disconnected()),this._log.debug(r)):(r=new d.EthereumRpcError(1011,t||f.default.errors.permanentlyDisconnected()),this._log.error(r),this.chainId=null,this.networkVersion=null,this._state.accounts=null,this.selectedAddress=null,this._state.isUnlocked=!1,this._state.isPermanentlyDisconnected=!0),this.emit("disconnect",r),this.emit("close",r)}}_handleStreamDisconnect(e,t){p.logStreamDisconnectWarning(this._log,e,t,this),this._handleDisconnect(!1,t?t.message:void 0)}_handleChainChanged({chainId:e,networkVersion:t}={}){e&&"string"==typeof e&&e.startsWith("0x")&&t&&"string"==typeof t?"loading"===t?this._handleDisconnect(!0):(this._handleConnect(e),e!==this.chainId&&(this.chainId=e,this._state.initialized&&this.emit("chainChanged",this.chainId)),t!==this.networkVersion&&(this.networkVersion=t,this._state.initialized&&this.emit("networkChanged",this.networkVersion))):this._log.error("MetaMask: Received invalid network parameters. Please report this bug.",{chainId:e,networkVersion:t})}_handleAccountsChanged(e,t=!1){let r=e;Array.isArray(e)||(this._log.error("MetaMask: Received invalid accounts parameter. Please report this bug.",e),r=[]);for(const t of e)if("string"!=typeof t){this._log.error("MetaMask: Received non-string account. Please report this bug.",e),r=[];break}c.default(this._state.accounts,r)||(t&&null!==this._state.accounts&&this._log.error("MetaMask: \'eth_accounts\' unexpectedly updated accounts. Please report this bug.",r),this._state.accounts=r,this.selectedAddress!==r[0]&&(this.selectedAddress=r[0]||null),this._state.initialized&&this.emit("accountsChanged",r))}_handleUnlockStateChanged({accounts:e,isUnlocked:t}={}){"boolean"==typeof t?t!==this._state.isUnlocked&&(this._state.isUnlocked=t,this._handleAccountsChanged(e||[])):this._log.error("MetaMask: Received invalid isUnlocked parameter. Please report this bug.")}_warnOfDeprecation(e){!1===this._state.sentWarnings.events[e]&&(this._log.warn(f.default.warnings.events[e]),this._state.sentWarnings.events[e]=!0)}_getExperimentalApi(){return new Proxy({isUnlocked:async()=>(this._state.initialized||await new Promise(e=>{this.on("_initialized",()=>e())}),this._state.isUnlocked),requestBatch:async e=>{if(!Array.isArray(e))throw d.ethErrors.rpc.invalidRequest({message:"Batch requests must be made with an array of request objects.",data:e});return new Promise((t,r)=>{this._rpcRequest(e,p.getRpcPromiseCallback(t,r))})}},{get:(e,t,...r)=>(this._state.sentWarnings.experimentalMethods||(this._log.warn(f.default.warnings.experimentalMethods),this._state.sentWarnings.experimentalMethods=!0),Reflect.get(e,t,...r))})}enable(){return this._state.sentWarnings.enable||(this._log.warn(f.default.warnings.enableDeprecation),this._state.sentWarnings.enable=!0),new Promise((e,t)=>{try{this._rpcRequest({method:"eth_requestAccounts",params:[]},p.getRpcPromiseCallback(e,t))}catch(e){t(e)}})}send(e,t){return this._state.sentWarnings.send||(this._log.warn(f.default.warnings.sendDeprecation),this._state.sentWarnings.send=!0),"string"!=typeof e||t&&!Array.isArray(t)?e&&"object"==typeof e&&"function"==typeof t?this._rpcRequest(e,t):this._sendSync(e):new Promise((r,n)=>{try{this._rpcRequest({method:e,params:t},p.getRpcPromiseCallback(r,n,!1))}catch(e){n(e)}})}_sendSync(e){let t;switch(e.method){case"eth_accounts":t=this.selectedAddress?[this.selectedAddress]:[];break;case"eth_coinbase":t=this.selectedAddress||null;break;case"eth_uninstallFilter":this._rpcRequest(e,p.NOOP),t=!0;break;case"net_version":t=this.networkVersion||null;break;default:throw new Error(f.default.errors.unsupportedSync(e.method))}return{id:e.id,jsonrpc:e.jsonrpc,result:t}}}t.default=g},function(e,t,r){(function(t){var n=r(12),i=r(28),o=r(61),a=function(){},s=/^v?\\.0/.test(t.version),u=function(e){return"function"==typeof e},c=function(e,t,r,c){c=n(c);var d=!1;e.on("close",(function(){d=!0})),i(e,{readable:t,writable:r},(function(e){if(e)return c(e);d=!0,c()}));var l=!1;return function(t){if(!d&&!l)return l=!0,function(e){return!!s&&(!!o&&((e instanceof(o.ReadStream||a)||e instanceof(o.WriteStream||a))&&u(e.close)))}(e)?e.close(a):function(e){return e.setHeader&&u(e.abort)}(e)?e.abort():u(e.destroy)?e.destroy():void c(t||new Error("stream was destroyed"))}},d=function(e){e()},l=function(e,t){return e.pipe(t)};e.exports=function(){var e,t=Array.prototype.slice.call(arguments),r=u(t[t.length-1]||a)&&t.pop()||a;if(Array.isArray(t[0])&&(t=t[0]),t.length<2)throw new Error("pump requires two streams per minimum");var n=t.map((function(i,o){var a=o<t.length-1;return c(i,a,o>0,(function(t){e||(e=t),t&&n.forEach(d),a||(n.forEach(d),r(e))}))}));return t.reduce(l)}}).call(this,r(3))},function(e,t,r){(function(t){var n=r(12),i=function(){},o=function(e,r,a){if("function"==typeof r)return o(e,null,r);r||(r={}),a=n(a||i);var s=e._writableState,u=e._readableState,c=r.readable||!1!==r.readable&&e.readable,d=r.writable||!1!==r.writable&&e.writable,l=!1,f=function(){e.writable||h()},h=function(){d=!1,c||a.call(e)},p=function(){c=!1,d||a.call(e)},g=function(t){a.call(e,t?new Error("exited with error code: "+t):null)},m=function(t){a.call(e,t)},b=function(){t.nextTick(y)},y=function(){if(!l)return(!c||u&&u.ended&&!u.destroyed)&&(!d||s&&s.ended&&!s.destroyed)?void 0:a.call(e,new Error("premature close"))},w=function(){e.req.on("finish",h)};return!function(e){return e.setHeader&&"function"==typeof e.abort}(e)?d&&!s&&(e.on("end",f),e.on("close",f)):(e.on("complete",h),e.on("abort",b),e.req?w():e.on("request",w)),function(e){return e.stdio&&Array.isArray(e.stdio)&&3===e.stdio.length}(e)&&e.on("exit",g),e.on("end",p),e.on("finish",h),!1!==r.error&&e.on("error",m),e.on("close",b),function(){l=!0,e.removeListener("complete",h),e.removeListener("abort",b),e.removeListener("request",w),e.req&&e.req.removeListener("finish",h),e.removeListener("end",f),e.removeListener("close",f),e.removeListener("finish",h),e.removeListener("exit",g),e.removeListener("end",p),e.removeListener("error",m),e.removeListener("close",b)}};e.exports=o}).call(this,r(3))},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.getUniqueId=void 0;let n=Math.floor(4294967295*Math.random());t.getUniqueId=function(){return n=(n+1)%4294967295,n}},function(e,t,r){"use strict";var n=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0}),t.JsonRpcEngine=void 0;const i=n(r(13)),o=r(66);class a extends i.default{constructor(){super(),this._middleware=[]}push(e){this._middleware.push(e)}handle(e,t){if(t&&"function"!=typeof t)throw new Error(\'"callback" must be a function if provided.\');return Array.isArray(e)?t?this._handleBatch(e,t):this._handleBatch(e):t?this._handle(e,t):this._promiseHandle(e)}asMiddleware(){return async(e,t,r,n)=>{try{const[i,o,s]=await a._runAllMiddleware(e,t,this._middleware);return o?(await a._runReturnHandlers(s),n(i)):r(async e=>{try{await a._runReturnHandlers(s)}catch(t){return e(t)}return e()})}catch(e){return n(e)}}}async _handleBatch(e,t){try{const r=await Promise.all(e.map(this._promiseHandle.bind(this)));return t?t(null,r):r}catch(e){if(t)return t(e);throw e}}_promiseHandle(e){return new Promise(t=>{this._handle(e,(e,r)=>{t(r)})})}async _handle(e,t){if(!e||Array.isArray(e)||"object"!=typeof e){const r=new o.EthereumRpcError(o.errorCodes.rpc.invalidRequest,"Requests must be plain objects. 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Received: "+typeof e.method,{request:e});return t(r,{id:e.id,jsonrpc:"2.0",error:r})}const r=Object.assign({},e),n={id:r.id,jsonrpc:r.jsonrpc};let i=null;try{await this._processRequest(r,n)}catch(e){i=e}return i&&(delete n.result,n.error||(n.error=o.serializeError(i))),t(i,n)}async _processRequest(e,t){const[r,n,i]=await a._runAllMiddleware(e,t,this._middleware);if(a._checkForCompletion(e,t,n),await a._runReturnHandlers(i),r)throw r}static async _runAllMiddleware(e,t,r){const n=[];let i=null,o=!1;for(const s of r)if([i,o]=await a._runMiddleware(e,t,s,n),o)break;return[i,o,n.reverse()]}static _runMiddleware(e,t,r,n){return new Promise(i=>{const a=e=>{const r=e||t.error;r&&(t.error=o.serializeError(r)),i([r,!0])},u=r=>{t.error?a(t.error):(r&&("function"!=typeof r&&a(new o.EthereumRpcError(o.errorCodes.rpc.internal,`JsonRpcEngine: "next" return handlers must be functions. 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