@eaglevision/sdk
Version:
🛠An SDK for building applications on top of evi.
3 lines (2 loc) • 25 kB
JavaScript
"use strict";function t(t){return t&&"object"==typeof t&&"default"in t?t.default:t}Object.defineProperty(exports,"__esModule",{value:!0});var 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n,r,o,i,a,s=t.sortsBefore(e)?[t,e]:[e,t];return void 0===(null===(n=pt)||void 0===n||null===(r=n[s[0].address])||void 0===r?void 0:r[s[1].address])&&(pt=R({},pt,((a={})[s[0].address]=R({},null===(o=pt)||void 0===o?void 0:o[s[0].address],((i={})[s[1].address]=u.getCreate2Address(T[t.chainId],f.keccak256(["bytes"],[f.pack(["address","address"],[s[0].address,s[1].address])]),y[t.chainId]),i)),a))),pt[s[0].address][s[1].address]};var e=t.prototype;return e.involvesToken=function(t){return t.equals(this.token0)||t.equals(this.token1)},e.priceOf=function(t){return this.involvesToken(t)||a(!1),t.equals(this.token0)?this.token0Price:this.token1Price},e.reserveOf=function(t){return this.involvesToken(t)||a(!1),t.equals(this.token0)?this.reserve0:this.reserve1},e.getOutputAmount=function(e){if(this.involvesToken(e.token)||a(!1),i.equal(this.reserve0.raw,k)||i.equal(this.reserve1.raw,k))throw new X;var n=this.reserveOf(e.token),r=this.reserveOf(e.token.equals(this.token0)?this.token1:this.token0),o=i.multiply(e.raw,O),u=i.multiply(o,r.raw),s=i.add(i.multiply(n.raw,N),o),c=new ft(e.token.equals(this.token0)?this.token1:this.token0,i.divide(u,s));if(i.equal(c.raw,k))throw new L;return[c,new t(n.add(e),r.subtract(c))]},e.getInputAmount=function(e){if(this.involvesToken(e.token)||a(!1),i.equal(this.reserve0.raw,k)||i.equal(this.reserve1.raw,k)||i.greaterThanOrEqual(e.raw,this.reserveOf(e.token).raw))throw new X;var n=this.reserveOf(e.token),r=this.reserveOf(e.token.equals(this.token0)?this.token1:this.token0),o=i.multiply(i.multiply(r.raw,e.raw),N),u=i.multiply(i.subtract(n.raw,e.raw),O),s=new ft(e.token.equals(this.token0)?this.token1:this.token0,i.add(i.divide(o,u),g));return[s,new t(r.add(s),n.subtract(e))]},e.getLiquidityMinted=function(t,e,n){t.token.equals(this.liquidityToken)||a(!1);var r,o=e.token.sortsBefore(n.token)?[e,n]:[n,e];if(o[0].token.equals(this.token0)&&o[1].token.equals(this.token1)||a(!1),i.equal(t.raw,k))r=i.subtract(V(i.multiply(o[0].raw,o[1].raw)),w);else{var u=i.divide(i.multiply(o[0].raw,t.raw),this.reserve0.raw),s=i.divide(i.multiply(o[1].raw,t.raw),this.reserve1.raw);r=i.lessThanOrEqual(u,s)?u:s}if(!i.greaterThan(r,k))throw new L;return new ft(this.liquidityToken,r)},e.getLiquidityValue=function(t,e,n,r,o){var u;if(void 0===r&&(r=!1),this.involvesToken(t)||a(!1),e.token.equals(this.liquidityToken)||a(!1),n.token.equals(this.liquidityToken)||a(!1),i.lessThanOrEqual(n.raw,e.raw)||a(!1),r){o||a(!1);var s=Q(o);if(i.equal(s,k))u=e;else{var c=V(i.multiply(this.reserve0.raw,this.reserve1.raw)),d=V(s);if(i.greaterThan(c,d)){var f=i.multiply(e.raw,i.subtract(c,d)),h=i.add(i.multiply(c,b),d),p=i.divide(f,h);u=e.add(new ft(this.liquidityToken,p))}else u=e}}else u=e;return new ft(t,i.divide(i.multiply(n.raw,this.reserveOf(t).raw),u.raw))},P(t,[{key:"token0Price",get:function(){return new ht(this.token0,this.token1,this.tokenAmounts[0].raw,this.tokenAmounts[1].raw,this.token0.chainId)}},{key:"token1Price",get:function(){return new ht(this.token1,this.token0,this.tokenAmounts[1].raw,this.tokenAmounts[0].raw,this.token1.chainId)}},{key:"chainId",get:function(){return this.token0.chainId}},{key:"token0",get:function(){return this.tokenAmounts[0].token}},{key:"token1",get:function(){return this.tokenAmounts[1].token}},{key:"reserve0",get:function(){return this.tokenAmounts[0]}},{key:"reserve1",get:function(){return this.tokenAmounts[1]}}]),t}(),mt=function(){function t(t,e,n){t.length>0||a(!1),t.every((function(e){return e.chainId===t[0].chainId}))||a(!1),e instanceof Z&&t[0].involvesToken(e)||e===K[t[0].chainId]&&t[0].involvesToken(rt[t[0].chainId])||a(!1),void 0===n||n instanceof Z&&t[t.length-1].involvesToken(n)||n===K[t[0].chainId]&&t[t.length-1].involvesToken(rt[t[0].chainId])||a(!1);for(var r,o=[e instanceof Z?e:rt[t[0].chainId]],i=j(t.entries());!(r=i()).done;){var u=r.value,s=u[1],c=o[u[0]];c.equals(s.token0)||c.equals(s.token1)||a(!1);var d=c.equals(s.token0)?s.token1:s.token0;o.push(d)}this.pairs=t,this.path=o,this.midPrice=ht.fromRoute(this),this.input=e,this.output=null!=n?n:o[o.length-1]}return P(t,[{key:"chainId",get:function(){return this.pairs[0].chainId}}]),t}(),vt=new st(E),Tt=function(t){function e(){return t.apply(this,arguments)||this}F(e,t);var n=e.prototype;return n.toSignificant=function(t,e,n){return void 0===t&&(t=5),this.multiply(vt).toSignificant(t,e,n)},n.toFixed=function(t,e,n){return void 0===t&&(t=2),this.multiply(vt).toFixed(t,e,n)},e}(st);function yt(t,e){return tt(t.inputAmount.currency,e.inputAmount.currency)||a(!1),tt(t.outputAmount.currency,e.outputAmount.currency)||a(!1),t.outputAmount.equalTo(e.outputAmount)?t.inputAmount.equalTo(e.inputAmount)?0:t.inputAmount.lessThan(e.inputAmount)?-1:1:t.outputAmount.lessThan(e.outputAmount)?1:-1}function wt(t,e){var n=yt(t,e);return 0!==n?n:t.priceImpact.lessThan(e.priceImpact)?-1:t.priceImpact.greaterThan(e.priceImpact)?1:t.route.path.length-e.route.path.length}function kt(t,e){return t instanceof ft?t:t.currency===K[e]?new ft(rt[e],t.raw):void a(!1)}function gt(t,e){return t instanceof Z?t:t===K[e]?rt[e]:void a(!1)}var xt=function(){function t(t,e,n){var r,o,i,u=new Array(t.path.length),s=new Array(t.pairs.length);if(n===exports.TradeType.EXACT_INPUT){tt(e.currency,t.input)||a(!1),u[0]=kt(e,t.chainId);for(var c=0;c<t.path.length-1;c++){var d=t.pairs[c].getOutputAmount(u[c]),f=d[1];u[c+1]=d[0],s[c]=f}}else{tt(e.currency,t.output)||a(!1),u[u.length-1]=kt(e,t.chainId);for(var h=t.path.length-1;h>0;h--){var p=t.pairs[h-1].getInputAmount(u[h]),l=p[1];u[h-1]=p[0],s[h-1]=l}}this.route=t,this.tradeType=n,this.inputAmount=n===exports.TradeType.EXACT_INPUT?e:t.input===K[t.chainId]?dt.ether(u[0].raw,t.chainId):u[0],this.outputAmount=n===exports.TradeType.EXACT_OUTPUT?e:t.output===K[t.chainId]?dt.ether(u[u.length-1].raw,t.chainId):u[u.length-1],this.executionPrice=new ht(this.inputAmount.currency,this.outputAmount.currency,this.inputAmount.raw,this.outputAmount.raw,t.chainId),this.nextMidPrice=ht.fromRoute(new mt(s,t.input)),this.priceImpact=(r=this.outputAmount,i=(o=t.midPrice.raw.multiply(this.inputAmount.raw)).subtract(r.raw).divide(o),new Tt(i.numerator,i.denominator))}t.exactIn=function(e,n){return new t(e,n,exports.TradeType.EXACT_INPUT)},t.exactOut=function(e,n){return new t(e,n,exports.TradeType.EXACT_OUTPUT)};var e=t.prototype;return e.minimumAmountOut=function(t){if(t.lessThan(k)&&a(!1),this.tradeType===exports.TradeType.EXACT_OUTPUT)return this.outputAmount;var e=new st(g).add(t).invert().multiply(this.outputAmount.raw).quotient;return this.outputAmount instanceof ft?new ft(this.outputAmount.token,e):dt.ether(e,this.route.chainId)},e.maximumAmountIn=function(t){if(t.lessThan(k)&&a(!1),this.tradeType===exports.TradeType.EXACT_INPUT)return this.inputAmount;var e=new st(g).add(t).multiply(this.inputAmount.raw).quotient;return this.inputAmount instanceof ft?new ft(this.inputAmount.token,e):dt.ether(e,this.route.chainId)},t.bestTradeExactIn=function(e,n,r,o,i,u,s){var c=void 0===o?{}:o,d=c.maxNumResults,f=void 0===d?3:d,h=c.maxHops,p=void 0===h?3:h;void 0===i&&(i=[]),void 0===u&&(u=n),void 0===s&&(s=[]),e.length>0||a(!1),p>0||a(!1),u===n||i.length>0||a(!1);var l=n instanceof ft?n.token.chainId:r instanceof Z?r.chainId:void 0;void 0===l&&a(!1);for(var m=kt(n,l),v=gt(r,l),T=0;T<e.length;T++){var y=e[T];if((y.token0.equals(m.token)||y.token1.equals(m.token))&&!y.reserve0.equalTo(k)&&!y.reserve1.equalTo(k)){var w=void 0;try{w=y.getOutputAmount(m)[0]}catch(t){if(t.isInsufficientInputAmountError)continue;throw t}if(w.token.equals(v))$(s,new t(new mt([].concat(i,[y]),u.currency,r),u,exports.TradeType.EXACT_INPUT),f,wt);else if(p>1&&e.length>1){var g=e.slice(0,T).concat(e.slice(T+1,e.length));t.bestTradeExactIn(g,w,r,{maxNumResults:f,maxHops:p-1},[].concat(i,[y]),u,s)}}}return s},t.bestTradeExactOut=function(e,n,r,o,i,u,s){var c=void 0===o?{}:o,d=c.maxNumResults,f=void 0===d?3:d,h=c.maxHops,p=void 0===h?3:h;void 0===i&&(i=[]),void 0===u&&(u=r),void 0===s&&(s=[]),e.length>0||a(!1),p>0||a(!1),u===r||i.length>0||a(!1);var l=r instanceof ft?r.token.chainId:n instanceof Z?n.chainId:void 0;void 0===l&&a(!1);for(var m=kt(r,l),v=gt(n,l),T=0;T<e.length;T++){var y=e[T];if((y.token0.equals(m.token)||y.token1.equals(m.token))&&!y.reserve0.equalTo(k)&&!y.reserve1.equalTo(k)){var w=void 0;try{w=y.getInputAmount(m)[0]}catch(t){if(t.isInsufficientReservesError)continue;throw t}if(w.token.equals(v))$(s,new t(new mt([y].concat(i),n,u.currency),u,exports.TradeType.EXACT_OUTPUT),f,wt);else if(p>1&&e.length>1){var g=e.slice(0,T).concat(e.slice(T+1,e.length));t.bestTradeExactOut(g,n,w,{maxNumResults:f,maxHops:p-1},[y].concat(i),u,s)}}}return s},t}();function It(t){return"0x"+t.raw.toString(16)}var bt,At=function(){function t(){}return t.swapCallParameters=function(t,e){var n=t.inputAmount.currency===K[t.route.chainId],r=t.outputAmount.currency===K[t.route.chainId];n&&r&&a(!1),e.ttl>0||a(!1);var o,i,u,s=J(e.recipient),c=It(t.maximumAmountIn(e.allowedSlippage)),d=It(t.minimumAmountOut(e.allowedSlippage)),f=t.route.path.map((function(t){return t.address})),h="0x"+(Math.floor((new Date).getTime()/1e3)+e.ttl).toString(16),p=Boolean(e.feeOnTransfer);switch(t.tradeType){case exports.TradeType.EXACT_INPUT:n?(o=p?"swapExactETHForTokensSupportingFeeOnTransferTokens":"swapExactETHForTokens",i=[d,f,s,h],u=c):r?(o=p?"swapExactTokensForETHSupportingFeeOnTransferTokens":"swapExactTokensForETH",i=[c,d,f,s,h],u="0x0"):(o=p?"swapExactTokensForTokensSupportingFeeOnTransferTokens":"swapExactTokensForTokens",i=[c,d,f,s,h],u="0x0");break;case exports.TradeType.EXACT_OUTPUT:p&&a(!1),n?(o="swapETHForExactTokens",i=[d,f,s,h],u=c):r?(o="swapTokensForExactETH",i=[d,c,f,s,h],u="0x0"):(o="swapTokensForExactTokens",i=[d,c,f,s,h],u="0x0")}return{methodName:o,args:i,value:u}},t}(),Et=[{constant:!0,inputs:[],name:"decimals",outputs:[{name:"",type:"uint8"}],payable:!1,stateMutability:"view",type:"function"},{constant:!0,inputs:[{name:"",type:"address"}],name:"balanceOf",outputs:[{name:"",type:"uint256"}],payable:!1,stateMutability:"view",type:"function"}],Ot=((bt={})[exports.ChainId.MAINNET]={"0xE0B7927c4aF23765Cb51314A0E0521A9645F0E2A":9},bt),Nt=function(){function t(){}return t.fetchTokenData=function(t,e,n,r,o){try{var i,a,u=function(n){return new Z(t,e,n,r,o)};void 0===n&&(n=l.getDefaultProvider(p.getNetwork(t)));var s="number"==typeof(null===(i=Ot)||void 0===i||null===(a=i[t])||void 0===a?void 0:a[e]);return Promise.resolve(s?u(Ot[t][e]):Promise.resolve(new h.Contract(e,Et,n).decimals().then((function(n){var r,o,i;return Ot=R({},Ot,((i={})[t]=R({},null===(r=Ot)||void 0===r?void 0:r[t],((o={})[e]=n,o)),i)),n}))).then(u))}catch(t){return Promise.reject(t)}},t.fetchPairData=function(t,e,n){try{void 0===n&&(n=l.getDefaultProvider(p.getNetwork(t.chainId))),t.chainId!==e.chainId&&a(!1);var r=lt.getAddress(t,e);return Promise.resolve(new h.Contract(r,m.abi,n).getReserves()).then((function(n){var r=n[0],o=n[1],i=t.sortsBefore(e)?[r,o]:[o,r];return new lt(new ft(t,i[0]),new ft(e,i[1]))}))}catch(t){return Promise.reject(t)}},t}();exports.JSBI=i,exports.Currency=G,exports.CurrencyAmount=dt,exports.ETHER=K,exports.FACTORY_ADDRESS=T,exports.Fetcher=Nt,exports.Fraction=st,exports.INIT_CODE_HASH=y,exports.InsufficientInputAmountError=L,exports.InsufficientReservesError=X,exports.MINIMUM_LIQUIDITY=w,exports.Pair=lt,exports.Percent=Tt,exports.Price=ht,exports.Route=mt,exports.Router=At,exports.Token=Z,exports.TokenAmount=ft,exports.Trade=xt,exports.WETH=rt,exports.currencyEquals=tt,exports.inputOutputComparator=yt,exports.tradeComparator=wt;
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