@danielvindax/echainswap-sdk/dist/echainswap-sdk.cjs.production.min.js

🛠 An SDK for building applications on top of Curve Swap.

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0:n[u])&&(Tt=L({},Tt,((r={})[u]=p.getCreate2Address(T[o.chainId],y.keccak256(["bytes"],[y.pack(["address","address"],[o.address,a.address])]),g[o.chainId]),r))),Tt[u]};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)||s(!1),t.equals(this.token0)?this.token0Price:this.token1Price},e.reserveOf=function(t){return this.involvesToken(t)||s(!1),t.equals(this.token0)?this.reserve0:this.reserve1},e.getOutputAmount=function(e){if(this.involvesToken(e.token)||s(!1),u.equal(this.reserve0.raw,x)||u.equal(this.reserve1.raw,x))throw new z;var n=this.reserveOf(e.token),r=this.reserveOf(e.token.equals(this.token0)?this.token1:this.token0),i=u.multiply(e.raw,_),o=u.multiply(i,r.raw),a=u.add(u.multiply(n.raw,N),i),p=new mt(e.token.equals(this.token0)?this.token1:this.token0,u.divide(o,a));if(u.equal(p.raw,x))throw new J;return[p,new t(n.add(e),r.subtract(p))]},e.getInputAmount=function(e){if(this.involvesToken(e.token)||s(!1),u.equal(this.reserve0.raw,x)||u.equal(this.reserve1.raw,x)||u.greaterThanOrEqual(e.raw,this.reserveOf(e.token).raw))throw new z;var n=this.reserveOf(e.token),r=this.reserveOf(e.token.equals(this.token0)?this.token1:this.token0),i=u.multiply(u.multiply(r.raw,e.raw),N),o=u.multiply(u.subtract(n.raw,e.raw),_),a=new mt(e.token.equals(this.token0)?this.token1:this.token0,u.add(u.divide(i,o),k));return[a,new t(r.add(a),n.subtract(e))]},e.getLiquidityMinted=function(t,e,n){t.token.equals(this.liquidityToken)||s(!1);var r,i=e.token.sortsBefore(n.token)?[e,n]:[n,e];if(i[0].token.equals(this.token0)&&i[1].token.equals(this.token1)||s(!1),u.equal(t.raw,x))r=u.subtract(Z(u.multiply(i[0].raw,i[1].raw)),b);else{var o=u.divide(u.multiply(i[0].raw,t.raw),this.reserve0.raw),a=u.divide(u.multiply(i[1].raw,t.raw),this.reserve1.raw);r=u.lessThanOrEqual(o,a)?o:a}if(!u.greaterThan(r,x))throw new J;return new mt(this.liquidityToken,r)},e.getLiquidityValue=function(t,e,n,r,i){var o;if(void 0===r&&(r=!1),this.involvesToken(t)||s(!1),e.token.equals(this.liquidityToken)||s(!1),n.token.equals(this.liquidityToken)||s(!1),u.lessThanOrEqual(n.raw,e.raw)||s(!1),r){i||s(!1);var a=K(i);if(u.equal(a,x))o=e;else{var p=Z(u.multiply(this.reserve0.raw,this.reserve1.raw)),c=Z(a);if(u.greaterThan(p,c)){var l=u.multiply(e.raw,u.subtract(p,c)),d=u.add(u.multiply(p,O),c),y=u.divide(l,d);o=e.add(new mt(this.liquidityToken,y))}else o=e}}else o=e;return new mt(t,u.divide(u.multiply(n.raw,this.reserveOf(t).raw),o.raw))},U(t,[{key:"token0Price",get:function(){return new vt(this.token0,this.token1,this.tokenAmounts[0].raw,this.tokenAmounts[1].raw)}},{key:"token1Price",get:function(){return new vt(this.token1,this.token0,this.tokenAmounts[1].raw,this.tokenAmounts[0].raw)}},{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}(),gt=function(){function t(t,e,n){t.length>0||s(!1),t.every((function(e){return e.chainId===t[0].chainId}))||s(!1),e instanceof it&&t[0].involvesToken(e)||e===rt&&t[0].involvesToken(st[t[0].chainId])||s(!1),void 0===n||n instanceof it&&t[t.length-1].involvesToken(n)||n===rt&&t[t.length-1].involvesToken(st[t[0].chainId])||s(!1);for(var r,i=[e instanceof it?e:st[t[0].chainId]],o=Y(t.entries());!(r=o()).done;){var a=r.value,u=a[1],p=i[a[0]];p.equals(u.token0)||p.equals(u.token1)||s(!1);var c=p.equals(u.token0)?u.token1:u.token0;i.push(c)}this.pairs=t,this.path=i,this.midPrice=vt.fromRoute(this),this.input=e,this.output=null!=n?n:i[i.length-1]}return U(t,[{key:"chainId",get:function(){return this.pairs[0].chainId}}]),t}(),bt=new yt(q),xt=function(t){function e(){return t.apply(this,arguments)||this}M(e,t);var n=e.prototype;return n.toSignificant=function(t,e,n){return void 0===t&&(t=5),this.multiply(bt).toSignificant(t,e,n)},n.toFixed=function(t,e,n){return void 0===t&&(t=2),this.multiply(bt).toFixed(t,e,n)},e}(yt);function kt(t,e){return ot(t.inputAmount.currency,e.inputAmount.currency)||s(!1),ot(t.outputAmount.currency,e.outputAmount.currency)||s(!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 It(t,e){var n=kt(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 At(t,e){return t instanceof mt?t:t.currency===rt?new mt(st[e],t.raw):void s(!1)}function Ot(t,e){return t instanceof it?t:t===rt?st[e]:void s(!1)}var Et=function(){function t(t,e,n){var r,i,o,a=new Array(t.path.length),u=new Array(t.pairs.length);if(n===exports.TradeType.EXACT_INPUT){ot(e.currency,t.input)||s(!1),a[0]=At(e,t.chainId);for(var p=0;p<t.path.length-1;p++){var c=t.pairs[p].getOutputAmount(a[p]),l=c[1];a[p+1]=c[0],u[p]=l}}else{ot(e.currency,t.output)||s(!1),a[a.length-1]=At(e,t.chainId);for(var d=t.path.length-1;d>0;d--){var y=t.pairs[d-1].getInputAmount(a[d]),f=y[1];a[d-1]=y[0],u[d-1]=f}}this.route=t,this.tradeType=n,this.inputAmount=n===exports.TradeType.EXACT_INPUT?e:t.input===rt?ht.ether(a[0].raw):a[0],this.outputAmount=n===exports.TradeType.EXACT_OUTPUT?e:t.output===rt?ht.ether(a[a.length-1].raw):a[a.length-1],this.executionPrice=new vt(this.inputAmount.currency,this.outputAmount.currency,this.inputAmount.raw,this.outputAmount.raw),this.nextMidPrice=vt.fromRoute(new gt(u,t.input)),this.priceImpact=(r=this.outputAmount,o=(i=t.midPrice.raw.multiply(this.inputAmount.raw)).subtract(r.raw).divide(i),new xt(o.numerator,o.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(x)&&s(!1),this.tradeType===exports.TradeType.EXACT_OUTPUT)return this.outputAmount;var e=new yt(k).add(t).invert().multiply(this.outputAmount.raw).quotient;return this.outputAmount instanceof mt?new mt(this.outputAmount.token,e):ht.ether(e)},e.maximumAmountIn=function(t){if(t.lessThan(x)&&s(!1),this.tradeType===exports.TradeType.EXACT_INPUT)return this.inputAmount;var e=new yt(k).add(t).multiply(this.inputAmount.raw).quotient;return this.inputAmount instanceof mt?new mt(this.inputAmount.token,e):ht.ether(e)},t.bestTradeExactIn=function(e,n,r,i,o,a,u){var p=void 0===i?{}:i,c=p.maxNumResults,l=void 0===c?3:c,d=p.maxHops,y=void 0===d?3:d;void 0===o&&(o=[]),void 0===a&&(a=n),void 0===u&&(u=[]),e.length>0||s(!1),y>0||s(!1),a===n||o.length>0||s(!1);var f=n instanceof mt?n.token.chainId:r instanceof it?r.chainId:void 0;void 0===f&&s(!1);for(var h=At(n,f),m=Ot(r,f),v=0;v<e.length;v++){var T=e[v];if((T.token0.equals(h.token)||T.token1.equals(h.token))&&!T.reserve0.equalTo(x)&&!T.reserve1.equalTo(x)){var w=void 0;try{w=T.getOutputAmount(h)[0]}catch(t){if(t.isInsufficientInputAmountError)continue;throw t}if(w.token.equals(m))tt(u,new t(new gt([].concat(o,[T]),a.currency,r),a,exports.TradeType.EXACT_INPUT),l,It);else if(y>1&&e.length>1){var g=e.slice(0,v).concat(e.slice(v+1,e.length));t.bestTradeExactIn(g,w,r,{maxNumResults:l,maxHops:y-1},[].concat(o,[T]),a,u)}}}return u},t.bestTradeExactOut=function(e,n,r,i,o,a,u){var p=void 0===i?{}:i,c=p.maxNumResults,l=void 0===c?3:c,d=p.maxHops,y=void 0===d?3:d;void 0===o&&(o=[]),void 0===a&&(a=r),void 0===u&&(u=[]),e.length>0||s(!1),y>0||s(!1),a===r||o.length>0||s(!1);var f=r instanceof mt?r.token.chainId:n instanceof it?n.chainId:void 0;void 0===f&&s(!1);for(var h=At(r,f),m=Ot(n,f),v=0;v<e.length;v++){var T=e[v];if((T.token0.equals(h.token)||T.token1.equals(h.token))&&!T.reserve0.equalTo(x)&&!T.reserve1.equalTo(x)){var w=void 0;try{w=T.getInputAmount(h)[0]}catch(t){if(t.isInsufficientReservesError)continue;throw t}if(w.token.equals(m))tt(u,new t(new gt([T].concat(o),n,a.currency),a,exports.TradeType.EXACT_OUTPUT),l,It);else if(y>1&&e.length>1){var g=e.slice(0,v).concat(e.slice(v+1,e.length));t.bestTradeExactOut(g,n,w,{maxNumResults:l,maxHops:y-1},[T].concat(o),a,u)}}}return u},t}();function qt(t){return"0x"+t.raw.toString(16)}var _t,Nt=function(){function t(){}return t.swapCallParameters=function(t,e){var n=t.inputAmount.currency===rt,r=t.outputAmount.currency===rt;n&&r&&s(!1),!("ttl"in e)||e.ttl>0||s(!1);var i,o,a,u=$(e.recipient),p=qt(t.maximumAmountIn(e.allowedSlippage)),c=qt(t.minimumAmountOut(e.allowedSlippage)),l=t.route.path.map((function(t){return t.address})),d="ttl"in e?"0x"+(Math.floor((new Date).getTime()/1e3)+e.ttl).toString(16):"0x"+e.deadline.toString(16),y=Boolean(e.feeOnTransfer);switch(t.tradeType){case exports.TradeType.EXACT_INPUT:n?(i=y?"swapExactETHForTokensSupportingFeeOnTransferTokens":"swapExactETHForTokens",o=[c,l,u,d],a=p):r?(i=y?"swapExactTokensForETHSupportingFeeOnTransferTokens":"swapExactTokensForETH",o=[p,c,l,u,d],a="0x0"):(i=y?"swapExactTokensForTokensSupportingFeeOnTransferTokens":"swapExactTokensForTokens",o=[p,c,l,u,d],a="0x0");break;case exports.TradeType.EXACT_OUTPUT:y&&s(!1),n?(i="swapETHForExactTokens",o=[c,l,u,d],a=p):r?(i="swapTokensForExactETH",o=[c,p,l,u,d],a="0x0"):(i="swapTokensForExactTokens",o=[c,p,l,u,d],a="0x0")}return{methodName:i,args:o,value:a}},t}(),Pt=[{anonymous:!1,inputs:[{indexed:!0,internalType:"address",name:"owner",type:"address"},{indexed:!0,internalType:"address",name:"spender",type:"address"},{indexed:!1,internalType:"uint256",name:"value",type:"uint256"}],name:"Approval",type:"event"},{anonymous:!1,inputs:[{indexed:!0,internalType:"address",name:"sender",type:"address"},{indexed:!1,internalType:"uint256",name:"amount0",type:"uint256"},{indexed:!1,internalType:"uint256",name:"amount1",type:"uint256"},{indexed:!0,internalType:"address",name:"to",type:"address"}],name:"Burn",type:"event"},{anonymous:!1,inputs:[{indexed:!0,internalType:"address",name:"sender",type:"address"},{indexed:!1,internalType:"uint256",name:"amount0",type:"uint256"},{indexed:!1,internalType:"uint256",name:"amount1",type:"uint256"}],name:"Mint",type:"event"},{anonymous:!1,inputs:[{indexed:!0,internalType:"address",name:"sender",type:"address"},{indexed:!1,internalType:"uint256",name:"amount0In",type:"uint256"},{indexed:!1,internalType:"uint256",name:"amount1In",type:"uint256"},{indexed:!1,internalType:"uint256",name:"amount0Out",type:"uint256"},{indexed:!1,internalType:"uint256",name:"amount1Out",type:"uint256"},{indexed:!0,internalType:"address",name:"to",type:"address"}],name:"Swap",type:"event"},{anonymous:!1,inputs:[{indexed:!1,internalType:"uint112",name:"reserve0",type:"uint112"},{indexed:!1,internalType:"uint112",name:"reserve1",type:"uint112"}],name:"Sync",type:"event"},{anonymous:!1,inputs:[{indexed:!0,internalType:"address",name:"from",type:"address"},{indexed:!0,internalType:"address",name:"to",type:"address"},{indexed:!1,internalType:"uint256",name:"value",type:"uint256"}],name:"Transfer",type:"event"},{constant:!0,inputs:[],name:"DOMAIN_SEPARATOR",outputs:[{internalType:"bytes32",name:"",type:"bytes32"}],payable:!1,stateMutability:"view",type:"function"},{constant:!0,inputs:[],name:"MINIMUM_LIQUIDITY",outputs:[{internalType:"uint256",name:"",type:"uint256"}],payable:!1,stateMutability:"pure",type:"function"},{constant:!0,inputs:[],name:"PERMIT_TYPEHASH",outputs:[{internalType:"bytes32",name:"",type:"bytes32"}],payable:!1,stateMutability:"pure",type:"function"},{constant:!0,inputs:[{internalType:"address",name:"owner",type:"address"},{internalType:"address",name:"spender",type:"address"}],name:"allowance",outputs:[{internalType:"uint256",name:"",type:"uint256"}],payable:!1,stateMutability:"view",type:"function"},{constant:!1,inputs:[{internalType:"address",name:"spender",type:"address"},{internalType:"uint256",name:"value",type:"uint256"}],name:"approve",outputs:[{internalType:"bool",name:"",type:"bool"}],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!0,inputs:[{internalType:"address",name:"owner",type:"address"}],name:"balanceOf",outputs:[{internalType:"uint256",name:"",type:"uint256"}],payable:!1,stateMutability:"view",type:"function"},{constant:!1,inputs:[{internalType:"address",name:"to",type:"address"}],name:"burn",outputs:[{internalType:"uint256",name:"amount0",type:"uint256"},{internalType:"uint256",name:"amount1",type:"uint256"}],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!0,inputs:[],name:"decimals",outputs:[{internalType:"uint8",name:"",type:"uint8"}],payable:!1,stateMutability:"pure",type:"function"},{constant:!0,inputs:[],name:"factory",outputs:[{internalType:"address",name:"",type:"address"}],payable:!1,stateMutability:"view",type:"function"},{constant:!0,inputs:[],name:"getReserves",outputs:[{internalType:"uint112",name:"reserve0",type:"uint112"},{internalType:"uint112",name:"reserve1",type:"uint112"},{internalType:"uint32",name:"blockTimestampLast",type:"uint32"}],payable:!1,stateMutability:"view",type:"function"},{constant:!1,inputs:[{internalType:"address",name:"",type:"address"},{internalType:"address",name:"",type:"address"}],name:"initialize",outputs:[],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!0,inputs:[],name:"kLast",outputs:[{internalType:"uint256",name:"",type:"uint256"}],payable:!1,stateMutability:"view",type:"function"},{constant:!1,inputs:[{internalType:"address",name:"to",type:"address"}],name:"mint",outputs:[{internalType:"uint256",name:"liquidity",type:"uint256"}],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!0,inputs:[],name:"name",outputs:[{internalType:"string",name:"",type:"string"}],payable:!1,stateMutability:"pure",type:"function"},{constant:!0,inputs:[{internalType:"address",name:"owner",type:"address"}],name:"nonces",outputs:[{internalType:"uint256",name:"",type:"uint256"}],payable:!1,stateMutability:"view",type:"function"},{constant:!1,inputs:[{internalType:"address",name:"owner",type:"address"},{internalType:"address",name:"spender",type:"address"},{internalType:"uint256",name:"value",type:"uint256"},{internalType:"uint256",name:"deadline",type:"uint256"},{internalType:"uint8",name:"v",type:"uint8"},{internalType:"bytes32",name:"r",type:"bytes32"},{internalType:"bytes32",name:"s",type:"bytes32"}],name:"permit",outputs:[],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!0,inputs:[],name:"price0CumulativeLast",outputs:[{internalType:"uint256",name:"",type:"uint256"}],payable:!1,stateMutability:"view",type:"function"},{constant:!0,inputs:[],name:"price1CumulativeLast",outputs:[{internalType:"uint256",name:"",type:"uint256"}],payable:!1,stateMutability:"view",type:"function"},{constant:!1,inputs:[{internalType:"address",name:"to",type:"address"}],name:"skim",outputs:[],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!1,inputs:[{internalType:"uint256",name:"amount0Out",type:"uint256"},{internalType:"uint256",name:"amount1Out",type:"uint256"},{internalType:"address",name:"to",type:"address"},{internalType:"bytes",name:"data",type:"bytes"}],name:"swap",outputs:[],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!0,inputs:[],name:"symbol",outputs:[{internalType:"string",name:"",type:"string"}],payable:!1,stateMutability:"pure",type:"function"},{constant:!1,inputs:[],name:"sync",outputs:[],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!0,inputs:[],name:"token0",outputs:[{internalType:"address",name:"",type:"address"}],payable:!1,stateMutability:"view",type:"function"},{constant:!0,inputs:[],name:"token1",outputs:[{internalType:"address",name:"",type:"address"}],payable:!1,stateMutability:"view",type:"function"},{constant:!0,inputs:[],name:"totalSupply",outputs:[{internalType:"uint256",name:"",type:"uint256"}],payable:!1,stateMutability:"view",type:"function"},{constant:!1,inputs:[{internalType:"address",name:"to",type:"address"},{internalType:"uint256",name:"value",type:"uint256"}],name:"transfer",outputs:[{internalType:"bool",name:"",type:"bool"}],payable:!1,stateMutability:"nonpayable",type:"function"},{constant:!1,inputs:[{internalType:"address",name:"from",type:"address"},{internalType:"address",name:"to",type:"address"},{internalType:"uint256",name:"value",type:"uint256"}],name:"transferFrom",outputs:[{internalType:"bool",name:"",type:"bool"}],payable:!1,stateMutability:"nonpayable",type:"function"}],Ct=[{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"}],St=((_t={})[exports.ChainId.MAINNET]={"0xE0B7927c4aF23765Cb51314A0E0521A9645F0E2A":9},_t),Rt=function(){function t(){}return t.fetchTokenData=function(){var t=R(C().mark((function t(e,n,r,i,o){var a,u;return C().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:if(void 0===r&&(r=m.getDefaultProvider(h.getNetwork(e))),"number"!=typeof(null==(a=St)||null==(u=a[e])?void 0:u[n])){t.next=5;break}t.t0=St[e][n],t.next=8;break;case 5:return t.next=7,new f.Contract(n,Ct,r).decimals().then((function(t){var r,i,o;return St=L({},St,((o={})[e]=L({},null==(r=St)?void 0:r[e],((i={})[n]=t,i)),o)),t}));case 7:t.t0=t.sent;case 8:return t.abrupt("return",new it(e,n,t.t0,i,o));case 10:case"end":return t.stop()}}),t)})));return function(e,n,r,i,o){return t.apply(this,arguments)}}(),t.fetchPairData=function(){var t=R(C().mark((function t(e,n,r){var i,o,a,u,p;return C().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return void 0===r&&(r=m.getDefaultProvider(h.getNetwork(e.chainId))),e.chainId!==n.chainId&&s(!1),i=wt.getAddress(e,n),t.next=5,new f.Contract(i,Pt,r).getReserves();case 5:return a=(o=t.sent)[0],u=o[1],p=e.sortsBefore(n)?[a,u]:[u,a],t.abrupt("return",new wt(new mt(e,p[0]),new mt(n,p[1])));case 10:case"end":return t.stop()}}),t)})));return function(e,n,r){return t.apply(this,arguments)}}(),t}();exports.JSBI=u,exports.Currency=nt,exports.CurrencyAmount=ht,exports.ETHER=rt,exports.FACTORY_ADDRESS="0xAbF484C483a14Ecac58236348a00b5AB88aeF17C",exports.FACTORY_ADDRESS_MAP=T,exports.Fetcher=Rt,exports.Fraction=yt,exports.INIT_CODE_HASH=w,exports.INIT_CODE_HASH_MAP=g,exports.InsufficientInputAmountError=J,exports.InsufficientReservesError=z,exports.MINIMUM_LIQUIDITY=b,exports.Pair=wt,exports.Percent=xt,exports.Price=vt,exports.Route=gt,exports.Router=Nt,exports.Token=it,exports.TokenAmount=mt,exports.Trade=Et,exports.WETH=st,exports.currencyEquals=ot,exports.inputOutputComparator=kt,exports.tradeComparator=It;
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