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e(t){r(this,e);this.providersModuleFactory=t}i(e,[{key:"resolve",value:function e(t,r){if(!t)return t;if("string"==typeof t){if(/^http(s)?:\/\//i.test(t))return this.providersModuleFactory.createHttpProvider(t);if(/^ws(s)?:\/\//i.test(t))return this.providersModuleFactory.createWebsocketProvider(t);if(t&&h(r)&&c(r.connect))return this.providersModuleFactory.createIpcProvider(t,r)}if(t.sendPayload&&t.subscribe)return t;if(void 0!==_.mist&&"EthereumProvider"===t.constructor.name)return this.providersModuleFactory.createMistEthereumProvider(t);if(t.isEIP1193)return this.providersModuleFactory.createWeb3EthereumProvider(t);if(this.isMetamaskInpageProvider(t))return this.providersModuleFactory.createMetamaskProvider(t);return this.providersModuleFactory.createCustomProvider(t)}},{key:"isMetamaskInpageProvider",value:function e(t){return"MetamaskInpageProvider"===t.constructor.name}}]);return e}();var k=0;var C=function(){function e(){r(this,e)}i(e,null,[{key:"toPayload",value:function e(t,r){if(!t)throw new Error('JSONRPC method should be specified for params: "'.concat(JSON.stringify(r),'"!'));var n=k;k++;return{jsonrpc:"2.0",id:n,method:t,params:r||[]}}}]);return e}();var S=function(){function e(){r(this,e)}i(e,null,[{key:"validate",value:function e(t){var r=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(h(t)){if(t.error){if(t.error instanceof Error)return new Error("Node error: ".concat(t.error.message));return new Error("Node error: ".concat(JSON.stringify(t.error)))}if(r&&t.id!==r.id)return new Error("Validation error: Invalid JSON-RPC response ID (request: ".concat(r.id," / response: ").concat(t.id,")"));if(void 0===t.result)return new Error("Validation error: Undefined JSON-RPC result");return!0}return new Error("Validation error: Response should be of type Object")}}]);return e}();var O=function(e){p(t,e);function t(e,n){var i;r(this,t);(i=l(this,f(t).call(this))).connection=e;i.timeout=n;i.subscriptions={};i.registerEventListeners();i.READY="ready";i.CONNECT="connect";i.ERROR="error";i.CLOSE="close";i.SOCKET_MESSAGE="socket_message";i.SOCKET_READY="socket_ready";i.SOCKET_CLOSE="socket_close";i.SOCKET_ERROR="socket_error";i.SOCKET_CONNECT="socket_connect";i.SOCKET_NETWORK_CHANGED="socket_networkChanged";i.SOCKET_ACCOUNTS_CHANGED="socket_accountsChanged";return i}i(t,[{key:"supportsSubscriptions",value:function e(){return!0}},{key:"registerEventListeners",value:function e(){}},{key:"removeAllSocketListeners",value:function e(){this.removeAllListeners(this.SOCKET_MESSAGE);this.removeAllListeners(this.SOCKET_READY);this.removeAllListeners(this.SOCKET_CLOSE);this.removeAllListeners(this.SOCKET_ERROR);this.removeAllListeners(this.SOCKET_CONNECT)}},{key:"disconnect",value:function e(t,r){}},{key:"send",value:function(){var e=y(v.mark(function e(t,r){var n,i;return v.wrap(function e(o){for(;;)switch(o.prev=o.next){case 0:o.next=2;return this.sendPayload(C.toPayload(t,r));case 2:n=o.sent;if(!((i=S.validate(n))instanceof Error)){o.next=6;break}throw i;case 6:return o.abrupt("return",n.result);case 7:case"end":return o.stop()}},e,this)}));function t(t,r){return e.apply(this,arguments)}return t}()},{key:"sendBatch",value:function e(t,r){var n=[];t.forEach(function(e){e.beforeExecution(r);n.push(C.toPayload(e.rpcMethod,e.parameters))});return this.sendPayload(n)}},{key:"onReady",value:function e(t){this.emit(this.READY,t);this.emit(this.SOCKET_READY,t)}},{key:"onError",value:function e(t){this.emit(this.ERROR,t);this.emit(this.SOCKET_ERROR,t);this.removeAllSocketListeners();this.removeAllListeners()}},{key:"onClose",value:function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;this.emit(this.CLOSE,t);this.emit(this.SOCKET_CLOSE,t);this.removeAllSocketListeners();this.removeAllListeners()}},{key:"onConnect",value:function(){var e=y(v.mark(function e(){var t,r,n,i,o;return v.wrap(function e(s){for(;;)switch(s.prev=s.next){case 0:if(!((t=Object.keys(this.subscriptions)).length>0)){s.next=13;break}n=0,i=t;case 3:if(!(n<i.length)){s.next=13;break}o=i[n];s.next=7;return this.subscribe(this.subscriptions[o].subscribeMethod,this.subscriptions[o].parameters[0],this.subscriptions[o].parameters.slice(1));case 7:r=s.sent;delete this.subscriptions[r];this.subscriptions[o].id=r;case 10:n++;s.next=3;break;case 13:this.emit(this.SOCKET_CONNECT);this.emit(this.CONNECT);case 15:case"end":return s.stop()}},e,this)}));function t(){return e.apply(this,arguments)}return t}()},{key:"onMessage",value:function e(t){var r;h(t)||(t=JSON.parse(t));if(g(t))r=t[0].id;else if(void 0===t.id){r=this.getSubscriptionEvent(t.params.subscription);t=t.params}else r=t.id;this.emit(this.SOCKET_MESSAGE,t);this.emit(r,t)}},{key:"reset",value:function e(){this.removeAllListeners();this.registerEventListeners()}},{key:"subscribe",value:function e(){var t=this;var r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"eth_subscribe";var n=arguments.length>1?arguments[1]:void 0;var i=arguments.length>2?arguments[2]:void 0;i.unshift(n);return this.send(r,i).then(function(e){t.subscriptions[e]={id:e,subscribeMethod:r,parameters:i};return e}).catch(function(e){throw new Error("Provider error: ".concat(e))})}},{key:"unsubscribe",value:function e(t){var r=this;var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"eth_unsubscribe";if(this.hasSubscription(t))return this.send(n,[t]).then(function(e){if(e){r.removeAllListeners(r.getSubscriptionEvent(t));delete r.subscriptions[t]}return e});return Promise.reject(new Error("Provider error: Subscription with ID ".concat(t," does not exist.")))}},{key:"clearSubscriptions",value:function e(){var t=this;var r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"eth_unsubscribe";var n=[];Object.keys(this.subscriptions).forEach(function(e){t.removeAllListeners(e);n.push(t.unsubscribe(t.subscriptions[e].id,r))});return Promise.all(n).then(function(e){if(e.includes(!1))throw new Error("Could not unsubscribe all subscriptions: ".concat(JSON.stringify(e)));return!0})}},{key:"hasSubscription",value:function e(t){return void 0!==this.getSubscriptionEvent(t)}},{key:"getSubscriptionEvent",value:function e(t){var r=this;if(this.subscriptions[t])return t;var n;Object.keys(this.subscriptions).forEach(function(e){r.subscriptions[e].id===t&&(n=e)});return n}},{key:"connected",get:function e(){}}]);return t}(m);var x=function(e){p(t,e);function t(e,n){var i;r(this,t);(i=l(this,f(t).call(this,e,n))).host=i.connection.url;return i}i(t,[{key:"onMessage",value:function e(r){d(f(t.prototype),"onMessage",this).call(this,r.data)}},{key:"onError",value:function e(r){if("ECONNREFUSED"===r.code){this.reconnect();return}d(f(t.prototype),"onError",this).call(this,r)}},{key:"onClose",value:function e(r){if(1e3!==r.code||!1===r.wasClean){this.reconnect();return}d(f(t.prototype),"onClose",this).call(this)}},{key:"reconnect",value:function e(){var t=this;setTimeout(function(){t.removeAllSocketListeners();var e=[];e="W3CWebsocket"===t.connection.constructor.name?new t.connection.constructor(t.host,t.connection._client.protocol,null,t.connection._client.headers,t.connection._client.requestOptions,t.connection._client.config):new t.connection.constructor(t.host,t.connection.protocol||void 0);t.connection=e;t.registerEventListeners()},5e3)}},{key:"disconnect",value:function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;this.connection.close(t,r)}},{key:"registerEventListeners",value:function e(){this.connection.addEventListener("message",this.onMessage.bind(this));this.connection.addEventListener("open",this.onReady.bind(this));this.connection.addEventListener("open",this.onConnect.bind(this));this.connection.addEventListener("close",this.onClose.bind(this));this.connection.addEventListener("error",this.onError.bind(this))}},{key:"removeAllListeners",value:function e(r){switch(r){case this.SOCKET_MESSAGE:this.connection.removeEventListener("message",this.onMessage);break;case this.SOCKET_READY:this.connection.removeEventListener("open",this.onReady);break;case this.SOCKET_CLOSE:this.connection.removeEventListener("close",this.onClose);break;case this.SOCKET_ERROR:this.connection.removeEventListener("error",this.onError);break;case this.SOCKET_CONNECT:this.connection.removeEventListener("connect",this.onConnect)}d(f(t.prototype),"removeAllListeners",this).call(this,r)}},{key:"isConnecting",value:function e(){return this.connection.readyState===this.connection.CONNECTING}},{key:"sendPayload",value:function e(t){var r=this;return new Promise(function(e,n){r.once("error",n);if(!r.isConnecting()){var i,o;if(r.connection.readyState!==r.connection.OPEN)return n(new Error("Connection error: Connection is not open on send()"));try{r.connection.send(JSON.stringify(t))}catch(e){n(e)}r.timeout&&(i=setTimeout(function(){n(new Error("Connection error: Timeout exceeded"))},r.timeout));o=g(t)?t[0].id:t.id;r.once(o,function(t){i&&clearTimeout(i);return e(t)});return}r.once("connect",function(){r.sendPayload(t).then(e).catch(n)})})}},{key:"connected",get:function e(){return this.connection.readyState===this.connection.OPEN}}]);return t}(O);var T=function(e){p(t,e);function t(e,n){var i;r(this,t);(i=l(this,f(t).call(this,e,null))).host=n;i.lastChunk="";return i}i(t,[{key:"disconnect",value:function e(){this.connection.destroy()}},{key:"reconnect",value:function e(){this.connection.connect({path:this.path})}},{key:"onMessage",value:function e(r){var n=this;var i=null;var o=[];var s;r.toString().replace(/\}[\n\r]?\{/g,"}|--|{").replace(/\}\][\n\r]?\[\{/g,"}]|--|[{").replace(/\}[\n\r]?\[\{/g,"}|--|[{").replace(/\}\][\n\r]?\{/g,"}]|--|{").split("|--|").forEach(function(e){i=null;n.lastChunk&&(e=n.lastChunk+e);try{i=JSON.parse(e)}catch(t){n.lastChunk=e;return}n.lastChunk=null;o.push(i)});o.forEach(function(e){d(f(t.prototype),"onMessage",n).call(n,e)})}},{key:"registerEventListeners",value:function e(){this.connection.on("data",this.onMessage.bind(this));this.connection.on("connect",this.onConnect.bind(this));this.connection.on("error",this.onError.bind(this));this.connection.on("close",this.onClose.bind(this));this.connection.on("timeout",this.onClose.bind(this));this.connection.on("ready",this.onReady.bind(this))}},{key:"removeAllListeners",value:function e(r){switch(r){case this.SOCKET_MESSAGE:this.connection.removeListener("data",this.onMessage);break;case this.SOCKET_READY:this.connection.removeListener("ready",this.onReady);break;case this.SOCKET_CLOSE:this.connection.removeListener("close",this.onClose);break;case this.SOCKET_ERROR:this.connection.removeListener("error",this.onError);break;case this.SOCKET_CONNECT:this.connection.removeListener("connect",this.onConnect)}d(f(t.prototype),"removeAllListeners",this).call(this,r)}},{key:"sendPayload",value:function e(t){var r=this;return new Promise(function(e,n){r.once("error",n);r.connection.writable||r.connection.connect({path:r.path});if(r.connection.write(JSON.stringify(t))){var i;i=g(t)?t[0].id:t.id;r.once(i,e);return}return n(new Error("Connection error: Couldn't write on the socket with Socket.write(payload)"))})}},{key:"connected",get:function e(){return!this.connection.pending}}]);return t}(O);var R=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"http://localhost:8545";var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};var i=arguments.length>2?arguments[2]:void 0;r(this,e);this.host=t;this.timeout=n.timeout||0;this.headers=n.headers;this.withCredentials=n.withCredentials||!1;this.connected=!0;this.providersModuleFactory=i;this.agent={};var o=!1;!0!==n.keepAlive&&!1===n.keepAlive||(o=!0);"https"===t.substring(0,5)?this.agent["httpsAgent"]=new w.Agent({keepAlive:o}):this.agent["httpAgent"]=new b.Agent({keepAlive:o})}i(e,[{key:"supportsSubscriptions",value:function e(){return!1}},{key:"subscribe",value:function e(){throw new Error("Subscriptions are not supported with the HttpProvider.")}},{key:"unsubscribe",value:function e(){throw new Error("Subscriptions are not supported with the HttpProvider.")}},{key:"disconnect",value:function e(){return!0}},{key:"send",value:function(){var e=y(v.mark(function e(t,r){var n,i;return v.wrap(function e(o){for(;;)switch(o.prev=o.next){case 0:o.next=2;return this.sendPayload(C.toPayload(t,r));case 2:n=o.sent;if(!((i=S.validate(n))instanceof Error)){o.next=6;break}throw i;case 6:return o.abrupt("return",n.result);case 7:case"end":return o.stop()}},e,this)}));function t(t,r){return e.apply(this,arguments)}return t}()},{key:"sendBatch",value:function e(t,r){var n=[];t.forEach(function(e){e.beforeExecution(r);n.push(C.toPayload(e.rpcMethod,e.parameters))});return this.sendPayload(n)}},{key:"sendPayload",value:function e(t){var r=this;return new Promise(function(e,n){var i=r.providersModuleFactory.createXMLHttpRequest(r.host,r.timeout,r.headers,r.agent,r.withCredentials);i.onreadystatechange=function(){0!==i.readyState&&1!==i.readyState&&(r.connected=!0);if(4===i.readyState){if(200===i.status)try{return e(JSON.parse(i.responseText))}catch(e){n(new Error("Invalid JSON as response: ".concat(i.responseText)))}r.isInvalidHttpEndpoint(i)&&n(new Error("Connection refused or URL couldn't be resolved: ".concat(r.host)));i.status>=400&&i.status<=499&&n(new Error("HttpProvider ERROR: ".concat(i.responseText," (code: ").concat(i.status,")")))}};i.ontimeout=function(){r.connected=!1;n(new Error("Connection error: Timeout exceeded after ".concat(r.timeout,"ms")))};try{i.send(JSON.stringify(t))}catch(e){r.connected=!1;n(e)}})}},{key:"isInvalidHttpEndpoint",value:function e(t){return null===t.response&&0===t.status}}]);return e}();var L=function(){function e(t){r(this,e);this.moduleInstance=t;this.methods=[]}i(e,[{key:"add",value:function e(t){if(!h(t)&&t)throw new Error("Please provide a object of type AbstractMethod.");this.methods.push(t)}},{key:"execute",value:function e(){var t=this;return this.moduleInstance.currentProvider.sendBatch(this.methods,this.moduleInstance).then(function(e){var r=[];t.methods.forEach(function(t,n){if(!g(e)){t.callback(new Error("BatchRequest error: Response should be of type Array but is: ".concat(u(e))),null);r.push("Response should be of type Array but is: ".concat(u(e)));return}var i=e[n]||null;var o=S.validate(i);if(o){try{var s=t.afterExecution(i.result);e[n]=s;t.callback(!1,s)}catch(e){r.push(e);t.callback(e,null)}return}r.push(o);t.callback(o,null)});if(r.length>0)throw new Error("BatchRequest error: ".concat(JSON.stringify(r)));return{methods:t.methods,response:e}})}}]);return e}();var A=function(e){p(t,e);function t(e){var n;r(this,t);(n=l(this,f(t).call(this,e,null))).host="Web3EthereumProvider";return n}i(t,[{key:"registerEventListeners",value:function e(){this.connection.on("notification",this.onMessage.bind(this));this.connection.on("connect",this.onConnect.bind(this));this.connection.on("connect",this.onReady.bind(this));this.connection.on("close",this.onClose.bind(this));this.connection.on("networkChanged",this.onNetworkChanged.bind(this));this.connection.on("accountsChanged",this.onAccountsChanged.bind(this))}},{key:"removeAllListeners",value:function e(r){switch(r){case this.SOCKET_NETWORK_CHANGED:this.connection.removeListener("networkChanged",this.onNetworkChanged);break;case this.SOCKET_ACCOUNTS_CHANGED:this.connection.removeListener("accountsChanged",this.onAccountsChanged);break;case this.SOCKET_MESSAGE:this.connection.removeListener("notification",this.onMessage);break;case this.SOCKET_READY:this.connection.removeListener("connect",this.onReady);break;case this.SOCKET_CLOSE:this.connection.removeListener("close",this.onClose);break;case this.SOCKET_ERROR:this.connection.removeListener("close",this.onError);break;case this.SOCKET_CONNECT:this.connection.removeListener("connect",this.onConnect)}d(f(t.prototype),"removeAllListeners",this).call(this,r)}},{key:"removeAllSocketListeners",value:function e(){this.connection.removeAllListeners()}},{key:"onNetworkChanged",value:function e(t){this.emit("networkChanged",t)}},{key:"onAccountsChanged",value:function e(t){this.emit("accountsChanged",t)}},{key:"onMessage",value:function e(t){this.emit(this.getSubscriptionEvent(t.subscription),t)}},{key:"send",value:function(){var e=y(v.mark(function e(t,r){var n,i;return v.wrap(function e(o){for(;;)switch(o.prev=o.next){case 0:n=this.connection.send(t,r);if(!((i=S.validate(n))instanceof Error)){o.next=4;break}throw i;case 4:return o.abrupt("return",n);case 5:case"end":return o.stop()}},e,this)}));function t(t,r){return e.apply(this,arguments)}return t}()},{key:"sendBatch",value:function e(t,r){var n=this;var i=[];t.forEach(function(e){e.beforeExecution(r);i.push(n.connection.send(e.rpcMethod,e.parameters))});return Promise.all(i)}}]);return t}(O);var P=function(e){p(t,e);function t(e){var n;r(this,t);(n=l(this,f(t).call(this,e,null))).host="metamask";return n}i(t,[{key:"registerEventListeners",value:function e(){this.connection.on("accountsChanged",this.onAccountsChanged.bind(this));this.connection.on("networkChanged",this.onReady.bind(this));this.connection.on("networkChanged",this.onNetworkChanged.bind(this));this.connection.on("data",this.onMessage.bind(this));this.connection.on("error",this.onError.bind(this))}},{key:"onMessage",value:function e(r,n){d(f(t.prototype),"onMessage",this).call(this,n)}},{key:"removeAllListeners",value:function e(r){switch(r){case this.SOCKET_NETWORK_CHANGED:this.connection.removeListener("networkChanged",this.onNetworkChanged);break;case this.SOCKET_ACCOUNTS_CHANGED:this.connection.removeListener("accountsChanged",this.onAccountsChanged);break;case this.SOCKET_MESSAGE:this.connection.removeListener("data",this.onMessage);break;case this.SOCKET_ERROR:this.connection.removeListener("error",this.onError)}d(f(t.prototype),"removeAllListeners",this).call(this,r)}},{key:"removeAllSocketListeners",value:function e(){this.connection.removeListener(this.SOCKET_NETWORK_CHANGED,this.onNetworkChanged);this.connection.removeListener(this.SOCKET_ACCOUNTS_CHANGED,this.onAccountsChanged);d(f(t.prototype),"removeAllSocketListeners",this).call(this)}},{key:"onNetworkChanged",value:function e(t){this.emit("networkChanged",t)}},{key:"onAccountsChanged",value:function e(t){this.emit("accountsChanged",t)}},{key:"disconnect",value:function e(){return!0}},{key:"sendPayload",value:function e(t){var r=this;return new Promise(function(e,n){r.connection.send(t,function(i,o){r.removeAllListeners(t.id);if(!i)return e(o);n(i)})})}},{key:"connected",get:function e(){return this.connection.isConnected()}}]);return t}(O);var N=function(e){p(t,e);function t(e){var n;r(this,t);(n=l(this,f(t).call(this,e,null))).host="mist";return n}i(t,[{key:"registerEventListeners",value:function e(){this.connection.on("data",this.onMessage.bind(this));this.connection.on("error",this.onError.bind(this));this.connection.on("connect",this.onConnect.bind(this));this.connection.on("connect",this.onReady.bind(this));this.connection.on("end",this.onClose.bind(this))}},{key:"removeAllListeners",value:function e(r){switch(r){case this.SOCKET_MESSAGE:this.connection.removeListener("data",this.onMessage);break;case this.SOCKET_ERROR:this.connection.removeListener("error",this.onError);break;case this.SOCKET_CONNECT:case this.SOCKET_READY:this.connection.removeListener("connect",this.onConnect);break;case this.SOCKET_CLOSE:this.connection.removeListener("end",this.onClose)}d(f(t.prototype),"removeAllListeners",this).call(this,r)}},{key:"disconnect",value:function e(){return!0}},{key:"sendPayload",value:function e(t){var r=this;return new Promise(function(e,n){r.connection.send(t,function(i,o){r.removeAllListeners(t.id);if(!i)return e(o);n(i)})})}},{key:"connected",get:function e(){return 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