@techchainswapfinance/sdk/dist/sdk.cjs.production.min.js

🛠 An SDK for building applications on top of STEPCOIN.

"use strict";function e(e){return e&&"object"==typeof e&&"default"in e?e.default:e}Object.defineProperty(exports,"__esModule",{value:!0});var t,n,r,o,a,i,s,d,c,u,p,h,T,C,f=e(require("jsbi")),E=e(require("tiny-invariant")),I=(e(require("tiny-warning")),require("@ethersproject/address")),x=e(require("big.js")),A=e(require("toformat")),l=e(require("decimal.js-light")),N=require("@ethersproject/solidity"),O=require("@ethersproject/contracts"),b=require("@ethersproject/networks"),m=require("@ethersproject/providers"),v=e(require("@uniswap/v2-core/build/IUniswapV2Pair.json"));(h=exports.ChainId||(exports.ChainId={}))[h.MAINNET=1]="MAINNET",h[h.ROPSTEN=3]="ROPSTEN",h[h.RINKEBY=4]="RINKEBY",h[h["GÖRLI"]=5]="GÖRLI",h[h.KOVAN=42]="KOVAN",h[h.MATIC=137]="MATIC",h[h.MATIC_TESTNET=80001]="MATIC_TESTNET",h[h.FANTOM=250]="FANTOM",h[h.FANTOM_TESTNET=4002]="FANTOM_TESTNET",h[h.XDAI=100]="XDAI",h[h.BSC=56]="BSC",h[h.BSC_TESTNET=97]="BSC_TESTNET",h[h.ARBITRUM=79377087078960]="ARBITRUM",h[h.MOONBASE=1287]="MOONBASE",h[h.AVALANCHE=43114]="AVALANCHE",h[h.FUJI=43113]="FUJI",h[h.HECO=128]="HECO",h[h.HECO_TESTNET=256]="HECO_TESTNET",h[h.HARMONY=16666e5]="HARMONY",h[h.HARMONY_TESTNET=16667e5]="HARMONY_TESTNET",h[h.OKEX=66]="OKEX",h[h.OKEX_TESTNET=65]="OKEX_TESTNET",(T=exports.TradeType||(exports.TradeType={}))[T.EXACT_INPUT=0]="EXACT_INPUT",T[T.EXACT_OUTPUT=1]="EXACT_OUTPUT",(C=exports.Rounding||(exports.Rounding={}))[C.ROUND_DOWN=0]="ROUND_DOWN",C[C.ROUND_HALF_UP=1]="ROUND_HALF_UP",C[C.ROUND_UP=2]="ROUND_UP";var 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e(n.add(t),r.subtract(s))]},t.getInputAmount=function(t){if(this.involvesToken(t.token)||E(!1),f.equal(this.reserve0.raw,P)||f.equal(this.reserve1.raw,P)||f.greaterThanOrEqual(t.raw,this.reserveOf(t.token).raw))throw new de;var n=this.reserveOf(t.token),r=this.reserveOf(t.token.equals(this.token0)?this.token1:this.token0),o=f.multiply(f.multiply(r.raw,t.raw),V),a=f.multiply(f.subtract(n.raw,t.raw),W),i=new we(t.token.equals(this.token0)?this.token1:this.token0,f.add(f.divide(o,a),U));return[i,new e(r.add(i),n.subtract(t))]},t.getLiquidityMinted=function(e,t,n){e.token.equals(this.liquidityToken)||E(!1);var r,o=t.token.sortsBefore(n.token)?[t,n]:[n,t];if(o[0].token.equals(this.token0)&&o[1].token.equals(this.token1)||E(!1),f.equal(e.raw,P))r=f.subtract(Te(f.multiply(o[0].raw,o[1].raw)),H);else{var a=f.divide(f.multiply(o[0].raw,e.raw),this.reserve0.raw),i=f.divide(f.multiply(o[1].raw,e.raw),this.reserve1.raw);r=f.lessThanOrEqual(a,i)?a:i}if(!f.greaterThan(r,P))throw new ce;return new we(this.liquidityToken,r)},t.getLiquidityValue=function(e,t,n,r,o){var a;if(void 0===r&&(r=!1),this.involvesToken(e)||E(!1),t.token.equals(this.liquidityToken)||E(!1),n.token.equals(this.liquidityToken)||E(!1),f.lessThanOrEqual(n.raw,t.raw)||E(!1),r){o||E(!1);var i=he(o);if(f.equal(i,P))a=t;else{var s=Te(f.multiply(this.reserve0.raw,this.reserve1.raw)),d=Te(i);if(f.greaterThan(s,d)){var c=f.multiply(t.raw,f.subtract(s,d)),u=f.add(f.multiply(s,X),d),p=f.divide(c,u);a=t.add(new we(this.liquidityToken,p))}else a=t}}else a=t;return new we(e,f.divide(f.multiply(n.raw,this.reserveOf(e).raw),a.raw))},J(e,[{key:"token0Price",get:function(){return new Re(this.token0,this.token1,this.tokenAmounts[0].raw,this.tokenAmounts[1].raw)}},{key:"token1Price",get:function(){return new Re(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]}}]),e}(),Fe={},ge=function(e){function t(){return e.apply(this,arguments)||this}return $(t,e),t.getAddress=function(e,t){var n,r,o,a,i,s=e.sortsBefore(t)?[e,t]:[t,e];return void 0===(null===(n=Fe)||void 0===n||null===(r=n[s[0].address])||void 0===r?void 0:r[s[1].address])&&(Fe=Q({},Fe,((i={})[s[0].address]=Q({},null===(o=Fe)||void 0===o?void 0:o[s[0].address],((a={})[s[1].address]=I.getCreate2Address("0xBCfCcbde45cE874adCB698cC183deBcF17952812",N.keccak256(["bytes"],[N.pack(["address","address"],[s[0].address,s[1].address])]),"0xd0d4c4cd0848c93cb4fd1f498d7013ee6bfb25783ea21593d5834f5d250ece66"),a)),i))),Fe[s[0].address][s[1].address]},t}(Me),ke={},He=function(e){function t(){return e.apply(this,arguments)||this}return $(t,e),t.getAddress=function(e,t){var n,r,o,a,i,s=e.sortsBefore(t)?[e,t]:[t,e];return void 0===(null===(n=ke)||void 0===n||null===(r=n[s[0].address])||void 0===r?void 0:r[s[1].address])&&(ke=Q({},ke,((i={})[s[0].address]=Q({},null===(o=ke)||void 0===o?void 0:o[s[0].address],((a={})[s[1].address]=I.getCreate2Address(B[e.chainId].FACTORY_ADDRESS,N.keccak256(["bytes"],[N.pack(["address","address"],[s[0].address,s[1].address])]),B[e.chainId].INIT_CODE_HASH),a)),i))),ke[s[0].address][s[1].address]},t}(ge),Pe=function(){function e(e,t,n){e.length>0||E(!1),e.every((function(t){return t.chainId===e[0].chainId}))||E(!1),t instanceof xe&&e[0].involvesToken(t)||t===Ie&&e[0].involvesToken(Oe[e[0].chainId])||E(!1),void 0===n||n instanceof xe&&e[e.length-1].involvesToken(n)||n===Ie&&e[e.length-1].involvesToken(Oe[e[0].chainId])||E(!1);for(var r,o=[t instanceof xe?t:Oe[e[0].chainId]],a=ae(e.entries());!(r=a()).done;){var i=r.value,s=i[1],d=o[i[0]];d.equals(s.token0)||d.equals(s.token1)||E(!1);var c=d.equals(s.token0)?s.token1:s.token0;o.push(c)}this.pairs=e,this.path=o,this.midPrice=Re.fromRoute(this),this.input=t,this.output=null!=n?n:o[o.length-1]}return J(e,[{key:"chainId",get:function(){return this.pairs[0].chainId}}]),e}(),Ue=new Se(Y),qe=function(e){function t(){return e.apply(this,arguments)||this}$(t,e);var n=t.prototype;return n.toSignificant=function(e,t,n){return void 0===e&&(e=5),this.multiply(Ue).toSignificant(e,t,n)},n.toFixed=function(e,t,n){return void 0===e&&(e=2),this.multiply(Ue).toFixed(e,t,n)},t}(Se);function Ke(e,t){return Ae(e.inputAmount.currency,t.inputAmount.currency)||E(!1),Ae(e.outputAmount.currency,t.outputAmount.currency)||E(!1),e.outputAmount.equalTo(t.outputAmount)?e.inputAmount.equalTo(t.inputAmount)?0:e.inputAmount.lessThan(t.inputAmount)?-1:1:e.outputAmount.lessThan(t.outputAmount)?1:-1}function Xe(e,t){var n=Ke(e,t);return 0!==n?n:e.priceImpact.lessThan(t.priceImpact)?-1:e.priceImpact.greaterThan(t.priceImpact)?1:e.route.path.length-t.route.path.length}function Le(e,t){return e instanceof we?e:e.currency===Ie?new we(Oe[t],e.raw):void E(!1)}function Ye(e,t){return e instanceof xe?e:e===Ie?Oe[t]:void E(!1)}var We=function(){function e(e,t,n){var r,o,a,i=new Array(e.path.length),s=new Array(e.pairs.length);if(n===exports.TradeType.EXACT_INPUT){Ae(t.currency,e.input)||E(!1),i[0]=Le(t,e.chainId);for(var d=0;d<e.path.length-1;d++){var c=e.pairs[d].getOutputAmount(i[d]),u=c[1];i[d+1]=c[0],s[d]=u}}else{Ae(t.currency,e.output)||E(!1),i[i.length-1]=Le(t,e.chainId);for(var p=e.path.length-1;p>0;p--){var h=e.pairs[p-1].getInputAmount(i[p]),T=h[1];i[p-1]=h[0],s[p-1]=T}}this.route=e,this.tradeType=n,this.inputAmount=n===exports.TradeType.EXACT_INPUT?t:e.input===Ie?ye.ether(i[0].raw):i[0],this.outputAmount=n===exports.TradeType.EXACT_OUTPUT?t:e.output===Ie?ye.ether(i[i.length-1].raw):i[i.length-1],this.executionPrice=new Re(this.inputAmount.currency,this.outputAmount.currency,this.inputAmount.raw,this.outputAmount.raw),this.nextMidPrice=Re.fromRoute(new Pe(s,e.input)),this.priceImpact=(r=this.outputAmount,a=(o=e.midPrice.raw.multiply(this.inputAmount.raw)).subtract(r.raw).divide(o),new qe(a.numerator,a.denominator))}e.exactIn=function(t,n){return new e(t,n,exports.TradeType.EXACT_INPUT)},e.exactOut=function(t,n){return new e(t,n,exports.TradeType.EXACT_OUTPUT)};var t=e.prototype;return t.minimumAmountOut=function(e){if(e.lessThan(P)&&E(!1),this.tradeType===exports.TradeType.EXACT_OUTPUT)return this.outputAmount;var t=new Se(U).add(e).invert().multiply(this.outputAmount.raw).quotient;return this.outputAmount instanceof we?new we(this.outputAmount.token,t):ye.ether(t)},t.maximumAmountIn=function(e){if(e.lessThan(P)&&E(!1),this.tradeType===exports.TradeType.EXACT_INPUT)return this.inputAmount;var t=new Se(U).add(e).multiply(this.inputAmount.raw).quotient;return this.inputAmount instanceof we?new we(this.inputAmount.token,t):ye.ether(t)},e.bestTradeExactIn=function(t,n,r,o,a,i,s){var d=void 0===o?{}:o,c=d.maxNumResults,u=void 0===c?3:c,p=d.maxHops,h=void 0===p?3:p;void 0===a&&(a=[]),void 0===i&&(i=n),void 0===s&&(s=[]),t.length>0||E(!1),h>0||E(!1),i===n||a.length>0||E(!1);var T=n instanceof we?n.token.chainId:r instanceof xe?r.chainId:void 0;void 0===T&&E(!1);for(var C=Le(n,T),f=Ye(r,T),I=0;I<t.length;I++){var x=t[I];if((x.token0.equals(C.token)||x.token1.equals(C.token))&&!x.reserve0.equalTo(P)&&!x.reserve1.equalTo(P)){var A=void 0;try{A=x.getOutputAmount(C)[0]}catch(e){if(e.isInsufficientInputAmountError)continue;throw e}if(A.token.equals(f))Ce(s,new e(new Pe([].concat(a,[x]),i.currency,r),i,exports.TradeType.EXACT_INPUT),u,Xe);else if(h>1&&t.length>1){var l=t.slice(0,I).concat(t.slice(I+1,t.length));e.bestTradeExactIn(l,A,r,{maxNumResults:u,maxHops:h-1},[].concat(a,[x]),i,s)}}}return s},e.bestTradeExactOut=function(t,n,r,o,a,i,s){var d=void 0===o?{}:o,c=d.maxNumResults,u=void 0===c?3:c,p=d.maxHops,h=void 0===p?3:p;void 0===a&&(a=[]),void 0===i&&(i=r),void 0===s&&(s=[]),t.length>0||E(!1),h>0||E(!1),i===r||a.length>0||E(!1);var T=r instanceof we?r.token.chainId:n instanceof xe?n.chainId:void 0;void 0===T&&E(!1);for(var C=Le(r,T),f=Ye(n,T),I=0;I<t.length;I++){var x=t[I];if((x.token0.equals(C.token)||x.token1.equals(C.token))&&!x.reserve0.equalTo(P)&&!x.reserve1.equalTo(P)){var A=void 0;try{A=x.getInputAmount(C)[0]}catch(e){if(e.isInsufficientReservesError)continue;throw e}if(A.token.equals(f))Ce(s,new e(new Pe([x].concat(a),n,i.currency),i,exports.TradeType.EXACT_OUTPUT),u,Xe);else if(h>1&&t.length>1){var l=t.slice(0,I).concat(t.slice(I+1,t.length));e.bestTradeExactOut(l,n,A,{maxNumResults:u,maxHops:h-1},[x].concat(a),i,s)}}}return s},e}();function Ve(e){return"0x"+e.raw.toString(16)}var je,Ge=function(){function e(){}return e.swapCallParameters=function(e,t){var n=e.inputAmount.currency===Ie,r=e.outputAmount.currency===Ie;n&&r&&E(!1),!("ttl"in t)||t.ttl>0||E(!1);var o,a,i,s=pe(t.recipient),d=Ve(e.maximumAmountIn(t.allowedSlippage)),c=Ve(e.minimumAmountOut(t.allowedSlippage)),u=e.route.path.map((function(e){return e.address})),p="ttl"in t?"0x"+(Math.floor((new Date).getTime()/1e3)+t.ttl).toString(16):"0x"+t.deadline.toString(16),h=Boolean(t.feeOnTransfer);switch(e.tradeType){case exports.TradeType.EXACT_INPUT:n?(o=h?"swapExactETHForTokensSupportingFeeOnTransferTokens":"swapExactETHForTokens",a=[c,u,s,p],i=d):r?(o=h?"swapExactTokensForETHSupportingFeeOnTransferTokens":"swapExactTokensForETH",a=[d,c,u,s,p],i="0x0"):(o=h?"swapExactTokensForTokensSupportingFeeOnTransferTokens":"swapExactTokensForTokens",a=[d,c,u,s,p],i="0x0");break;case exports.TradeType.EXACT_OUTPUT:h&&E(!1),n?(o="swapETHForExactTokens",a=[c,u,s,p],i=d):r?(o="swapTokensForExactETH",a=[c,d,u,s,p],i="0x0"):(o="swapTokensForExactTokens",a=[c,d,u,s,p],i="0x0")}return{methodName:o,args:a,value:i}},e}(),Je=[{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"}],Qe=((je={})[exports.ChainId.MAINNET]={"0xE0B7927c4aF23765Cb51314A0E0521A9645F0E2A":9},je),$e=function(){function e(){}return e.fetchTokenData=function(e,t,n,r,o){try{var a,i,s=function(n){return new xe(e,t,n,r,o)};void 0===n&&(n=m.getDefaultProvider(b.getNetwork(e)));var d="number"==typeof(null===(a=Qe)||void 0===a||null===(i=a[e])||void 0===i?void 0:i[t]);return Promise.resolve(d?s(Qe[e][t]):Promise.resolve(new O.Contract(t,Je,n).decimals().then((function(n){var r,o,a;return Qe=Q({},Qe,((a={})[e]=Q({},null===(r=Qe)||void 0===r?void 0:r[e],((o={})[t]=n,o)),a)),n}))).then(s))}catch(e){return Promise.reject(e)}},e.fetchPairData=function(e,t,n){try{void 0===n&&(n=m.getDefaultProvider(b.getNetwork(e.chainId))),e.chainId!==t.chainId&&E(!1);var r=Me.getAddress(e,t);return Promise.resolve(new O.Contract(r,v.abi,n).getReserves()).then((function(n){var r=n[0],o=n[1],a=e.sortsBefore(t)?[r,o]:[o,r];return new Me(new we(e,a[0]),new we(t,a[1]))}))}catch(e){return Promise.reject(e)}},e}();exports.JSBI=f,exports.ANT_TOKEN_ADDRESS=S,exports.BAR_ADDRESS=F,exports.Currency=fe,exports.CurrencyAmount=ye,exports.ETHER=Ie,exports.FACTORY_ADDRESS=w,exports.Fetcher=$e,exports.Fraction=Se,exports.INIT_CODE_HASH=y,exports.InsufficientInputAmountError=ce,exports.InsufficientReservesError=de,exports.MAKER_ADDRESS=g,exports.MASTERCHEF_ADDRESS=M,exports.MINIMUM_LIQUIDITY=H,exports.Pair=Me,exports.PancakeV1Pair=ge,exports.PancakeV2Pair=He,exports.Percent=qe,exports.Price=Re,exports.ROUTER_ADDRESS=R,exports.Route=Pe,exports.Router=Ge,exports.SUSHI_ADDRESS=_,exports.THIRD_PARTY_INFO=B,exports.TIMELOCK_ADDRESS=k,exports.Token=xe,exports.TokenAmount=we,exports.Trade=We,exports.WETH=Oe,exports.currencyEquals=Ae,exports.inputOutputComparator=Ke,exports.tradeComparator=Xe;
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