opay/opay.min.js

opay library for Open Payment Protocol

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e.Promise((function(e,s){a.parent.addEventListener("message",(function t(n){return!!r(n,c)&&("handshake-reply"===n.data.postmate?(clearInterval(i),a.parent.removeEventListener("message",t,!1),a.childOrigin=n.origin,e(new o(a))):s("Failed handshake"))}),!1);var l=function(){u++,a.child.postMessage({postmate:"handshake",type:t,model:a.model},c),5===u&&clearInterval(i)},f=function(){l(),i=setInterval(l,500)};a.frame.attachEvent?a.frame.attachEvent("onload",f):a.frame.addEventListener("load",f),a.frame.src=n}))},e}();return a.debug=!1,a.Promise=function(){try{return window?window.Promise:Promise}catch(t){return null}}(),a.Model=function(){function e(t){return this.child=window,this.model=t,this.parent=this.child.parent,this.sendHandshakeReply()}return e.prototype.sendHandshakeReply=function(){var e=this;return new a.Promise((function(n,r){e.child.addEventListener("message",(function o(a){if(a.data.postmate){if("handshake"!==a.data.postmate)return r("Handshake Reply 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mo(){return(mo=ro(to.mark((function t(e){var n,r,o,i;return to.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:if(ho("checker:",uo.expireObj,"ID:",e),null!=(n=uo.expireObj[e])){t.next=5;break}return ho("no checkingObj"),t.abrupt("return");case 5:if(!(Date.now()>n.expire)){t.next=9;break}return yo(e),t.abrupt("return");case 9:return ho(r=po+"/get_pr/"+e+"?notify=1"),t.next=13,fetch(r);case 13:return o=t.sent,t.next=16,o.text();case 16:return i=t.sent,ho(i),"404"!=i?go(!1,i):(ho("continue to check"),n.timeoutID=setTimeout(vo,2e3,e)),t.abrupt("return",i);case 20:case"end":return t.stop()}}),t)})))).apply(this,arguments)}function go(t,e){if(yo(uo.current_orderID)||t){var n=JSON.parse(e);n.usedWallet=uo.usedWallet,ho("got_reply1 data=",n,"isVbox:",t);var r=uo.cb(n);if(ho("return from app:",r),n.ack_url&&r){var o=r;o.id=n.id;var i=n.ack_url+"?ack="+JSON.stringify(o);fetch(i)}xo.close()}}function bo(t,e){return wo.apply(this,arguments)}function wo(){return(wo=ro(to.mark((function t(e,n){return to.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return t.abrupt("return",new Promise((function(t){var r=document.createElement("script");r.type="text/javascript",r.readyState?r.onreadystatechange=function(){"loaded"!=r.readyState&&"complete"!=r.readyState||(r.onreadystatechange=null,n&&(n(),t()))}:r.onload=function(){n&&(n(),t())},r.src=e,document.getElementsByTagName("head")[0].appendChild(r)})));case 1:case"end":return t.stop()}}),t)})))).apply(this,arguments)}var xo=function(){function t(){!function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,t)}var e,n,r,o,i;return e=t,n=null,r=[{key:"init",value:(i=ro(to.mark((function t(e){return to.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:if(uo=co(co({},so),e),e.debug||(ho=function(t){}),ho("opay init option=",e),!window.opay_inited){t.next=5;break}return t.abrupt("return");case 5:return t.next=7,this._initLibs();case 7:window.opay_inited=!0;case 8:case"end":return t.stop()}}),t,this)}))),function(t){return i.apply(this,arguments)})},{key:"_initLibs",value:(o=ro(to.mark((function e(){var n;return to.wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if(window.filepay){e.next=6;break}return ho("loading filepay"),e.next=4,bo("https://unpkg.com/filepay@latest/dist/filepay.min.js",(function(){window.filepay?(t.filepay=window.filepay,t.bsv=window.filepay.bsv,ho("filepay loaded:",window.filepay)):ho("filepay failed to load")}));case 4:e.next=8;break;case 6:t.filepay=window.filepay,t.bsv=window.filepay.bsv;case 8:(n=document.createElement("style")).type="text/css",n.innerHTML="\n      .opayClass { position: absolute;\n      display:none;\n      width:100%;\n      height:100%;\n      top: 0;\n      left: 0;\n      /* bring your own prefixes */\n      border-radius: 5px;\n      border:1px solid #BDBDBD;\n      background:#fff;\n    }\n\n    ",document.getElementsByTagName("head")[0].appendChild(n);case 12:case"end":return e.stop()}}),e)}))),function(){return o.apply(this,arguments)})},{key:"_setupIframe",value:function(){var t=document.querySelector("iframe[name='my-iframe-opay']");if(ho("Create opay Frame"),lo){ho("gHandshake exist. Destroy child"),lo.then((function(t){return t.destroy()})),uo.event_on=!1;var e=document.querySelector("iframe[name='my-iframe-opay']");if(e){var n=e.parentNode;ho("found frame and destory it:",n),n.removeChild(e)}}var r=fo.slice(0,fo.lastIndexOf("/"))+"/iframe.html",o=document.querySelector("body");null!=uo.containerID&&((o=document.querySelector("#"+uo.containerID)).style.position="relative"),lo=new Postmate({container:o,url:r,name:"my-iframe-opay",classListArray:["opayClass"]}),uo.elFrame=document.querySelector("iframe[name='my-iframe-opay']"),t=uo.elFrame,uo.UI&&(uo.UI.border&&(t.style.border=uo.UI.border),lo.then((function(t){window.VBox&&(uo.UI.VBox=!0),ho("Calling child:",uo.UI),t.call("setUI",uo.UI)})))}},{key:"setWallet",value:function(t){uo.wallet=t}},{key:"close",value:function(){yo(uo.current_orderID),uo.elFrame&&(uo.elFrame.style.display="none")}},{key:"setUI",value:function(t){uo.UI=t}},{key:"changeContainer",value:function(t){var e=document.querySelector("#"+t);e&&(e.style.position="relative",uo.elFrame&&e.appendChild(uo.elFrame),uo.containerID=t)}},{key:"sha256",value:function(e){return t.bsv.crypto.Hash.sha256(t.bsv.deps.Buffer(e)).toString("hex")}},{key:"verify",value:function(e,n,r){var o=t.bsv,i=o.crypto.Signature.fromString(n),a=o.PublicKey.fromString(r),c=o.crypto.Hash.sha256(o.deps.Buffer.from(e,"hex"));return o.crypto.ECDSA.verify(c,i,a)}},{key:"getSupportedWallets",value:function(){return["vbox","dot"]}},{key:"genQRImg",value:function(e,n,r){uo.cb=r,bo("https://cdnjs.cloudflare.com/ajax/libs/qrcode-generator/1.4.4/qrcode.min.js",(function(){t._preHandleOptions(e);var r=t.genQRString(e),o=qrcode(0,"L");o.addData(r),o.make();var i=o.createImgTag();document.getElementById(n).innerHTML=i,t.start_checker()}))}},{key:"genQRString",value:function(t){var e=null;if(t.pay_request&&(e=t.pay_request),t.sign_request&&(e=t.sign_request),null==e.url){var n=e.data;n.notify_url=po+"/notify",fetch("https://nb-namecheck.glitch.me/save_pr",{method:"post",headers:{Accept:"application/json, text/plain, */*","Content-Type":"application/json"},body:JSON.stringify(n)}).then((function(t){return t.json()})).then((function(t){ho("reply from save_pr:",t)}));var r="https://nb-namecheck.glitch.me/get_pr/"+n.id,o=t.pay_request?{pay_request:{url:r}}:{sign_request:{url:r}};return JSON.stringify(o)}return null}},{key:"_preHandleOptions",value:function(t){uo.options=t;var e={};t.pay_request&&(e=t.pay_request),t.sign_request&&(e=t.sign_request),ho(JSON.stringify(t));var n=e.data;if(n.to)for(var r=0;r<n.to.length;r++){var o=n.to[r];if(o.data){var i=window.filepay.data2script(o.data).toHex();o.script=i,o.value=0,delete o.data}}n.product||(n.product=uo.product),n.expire||(n.expire=Date.now()+1e3*uo.timeout),n.id||(n.id=Date.now().toString()),n.v||(n.v=2),n.app||(n.app=uo.app)}},{key:"start_checker",value:function(){var t=uo.options.pay_request?uo.options.pay_request.data:uo.options.sign_request.data;if(uo.current_orderID=t.id,uo.current_orderID){var e=setTimeout(vo,2e3,uo.current_orderID);ho("checker started, timeoutID:",e),uo.expireObj[uo.current_orderID]={expire:t.expire,timeoutID:e}}}},{key:"request",value:function(e,n){uo.cb=n,t._preHandleOptions(e);var r=t.genQRString(e);if(uo.wallet)a(uo.wallet);else{var o={},i=("; "+document.cookie).split("; nbpay_state=").pop().split(";").shift();""!=i&&(o=JSON.parse(i)),uo.wallet||t._setupIframe(),lo.then((function(e){uo.child=e,uo.event_on||(e.on("opay_frm_cmd",(function(e){if(ho(e),"close"==e.cmd){uo.elFrame.style.display="none";var n=JSON.stringify(e.state);document.cookie="nbpay_state="+n,t.close(),"function"==typeof uo.UI.close&&uo.UI.close()}if("wallet"==e.cmd&&(a(e.name),e.state)){var r=JSON.stringify(e.state);document.cookie="nbpay_state="+r}})),uo.event_on=!0),function(e){console.log("calling setup:",e),uo.elFrame.style.display="block",e.call("setup",{strQR:r,state:o}),t.start_checker()}(e)}))}function a(e){if(uo.usedWallet=e,uo.wallet=e,"dot"===e){var n="https://www.ddpurse.com/wallet/open/nbdomain?opp=";n+=encodeURIComponent(r),window.open(n,uo.current_orderID),t.start_checker()}if("vbox"===e){var o=uo.options.pay_request?{pay_request:{data:JSON.stringify(uo.options.pay_request.data)}}:{sign_request:{data:JSON.stringify(uo.options.sign_request.data)}};ho("calling vbox with options:",o),VBox.Request(o,(function(t){go(!0,t)}))}}}}],n&&oo(e.prototype,n),r&&oo(e,r),t}();return xo}));