@multiversx/sdk-dapp-swap
Version:
A library to hold the main logic for swapping between tokens on the MultiversX blockchain
225 lines (220 loc) • 57.1 kB
JavaScript
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Fr=({tokens:r,wrappedEgld:e})=>r.sort((t,n)=>t.identifier===te?-1:n.identifier===te?1:t.identifier===(e==null?void 0:e.identifier)?-1:n.identifier===(e==null?void 0:e.identifier)?1:new kr.default(n.valueUSD).minus(t.valueUSD).toNumber());s();var uo=M(require("bignumber.js"));s();var bt=({newToken:r,firstToken:e,secondToken:t,activeRoute:n,needsParsing:o})=>{if(!n||!r)return{amountIn:void 0,amountOut:void 0};let i=(n==null?void 0:n.swapType)===0,a=i?n==null?void 0:n.amountIn:n==null?void 0:n.amountOut,f=(i?n==null?void 0:n.tokenInID:n==null?void 0:n.tokenOutID)===(e==null?void 0:e.identifier)?e==null?void 0:e.decimals:t==null?void 0:t.decimals,d=K({amount:a,showLastNonZeroDecimal:!0,decimals:f}),y=o?(0,pe.parseAmount)(d,r==null?void 0:r.decimals):a;return{amountIn:i?y:void 0,amountOut:i?void 0:y}};var Xe=({value:r,token:e,isDisabled:t,inDropdown:n=!1,handleDisabledOptionClick:o})=>{var l,f,d;return Te.default.createElement("div",{className:`dapp-core-swap-select-option ${t?"disabled":""}`,onClick:y=>{}},Te.default.createElement("div",{style:{display:"flex",alignItems:"center",flexDirection:"row"}},Te.default.createElement("div",{className:"token-image",style:{marginRight:"8px",display:"flex"}},Te.default.createElement("img",{alt:r,style:{flexShrink:0,display:"flex",width:"3.25rem",height:"3.25rem",borderRadius:"50%",alignItems:"center",justifyContent:"center",backgroundColor:"#2b2d2e",border:"1px solid #49494d"},className:"token-symbol",src:(l=e==null?void 0:e.assets)==null?void 0:l.svgUrl})),Te.default.createElement("div",{style:{display:"flex",flexDirection:"column"}},e.ticker," ",Te.default.createElement("small",{style:{color:"#49494d"}},je((f=e.price)!=null?f:"0")))),n&&Te.default.createElement("div",{style:{display:"flex",alignItems:"end",marginLeft:"16px",flexDirection:"column"}},K({amount:(d=e.balance)!=null?d:"",decimals:e.decimals})))};var _e=({id:r,name:e,value:t,options:n,defaultValue:o,isSearchable:i,className:a="",disabledOption:l,disabled:f=!1,handleDisabledOptionClick:d,noOptionsMessage:y="No Tokens",onChange:g,onBlur:A,onFocus:E})=>{let k=Ne.default.useRef(null),x=h=>h.value===(l==null?void 0:l.value),B=()=>(h,{context:T})=>{let{label:S,value:w,token:P}=h,b=T==="menu",I=x(h);return Ne.default.createElement(Xe,R({},{inDropdown:b,label:S,value:w,token:P,isDisabled:I,handleDisabledOptionClick:d}))};return Ne.default.createElement("div",{className:"dapp-core-swap-select-container"},Ne.default.createElement(Dr.default,{ref:k,placeholder:"Select token",id:r,name:e,value:t,options:n,className:`dapp-core-swap-select ${a}`,isOptionDisabled:x,isDisabled:f,noOptionsMessage:()=>y||"No options",maxMenuHeight:260,onChange:h=>{g(h),k&&k.current!==null&&k.current.blur()},onBlur:A,onFocus:E,isSearchable:i,defaultValue:o,formatOptionLabel:B()}))};s();s();var C=M(require("react")),Rr=require("formik");s();var ve=require("yup");s();var Pr=()=>({name:"isValidNumber",message:"Only digits and one . allowed",test:r=>!r||r===""?!0:Boolean(r&&(0,ge.stringIsFloat)(r))});s();var vr=({minAcceptedAmount:r})=>({name:"minAmount",message:`Minimum amount: ${r}`,test:e=>e&&r?parseFloat(e)>=r:!0});s();var Ur=()=>({name:"amount",message:"Amount required",test:r=>Boolean(r)});s();var kt=M(require("bignumber.js"));var Br=r=>({name:"funds",message:"Insufficient funds",test:e=>{var t;if(e&&r&&r.balance!=null){let n=(0,pe.parseAmount)(e.toString(),r.decimals),o=new kt.default(n);return new kt.default((t=r.balance)!=null?t:"0").isGreaterThanOrEqualTo(o)}return!0}});s();var Ft=r=>({name:"token",message:"Token required",test:()=>Boolean(r)});s();var Dt=r=>({name:"decimals",message:"Too many decimals or value too small",test:e=>Ir(String(e),r==null?void 0:r.decimals)});s();s();var Ze=(r,e)=>(e.forEach(({name:t,message:n,test:o})=>{r=r.test(t,n,o)}),r);var Or=({firstToken:r,secondToken:e,minAcceptedAmount:t,firstTokenValidations:n=[],secondTokenValidations:o=[]})=>{let i=[Ur(),Pr(),vr({minAcceptedAmount:t})],a=[Ft(r==null?void 0:r.value),Br(r==null?void 0:r.token),Dt(r==null?void 0:r.token),...n],l=Ze((0,ve.string)(),[...i,...a]),f=[Ft(e==null?void 0:e.value),Dt(e==null?void 0:e.token),...o],d=Ze((0,ve.string)(),[...i,...f]);return(0,ve.object)().shape({firstAmount:l,secondAmount:d,activeRoute:(0,ve.object)().required("Required")})};s();var Pt=M(require("react")),vt=({errors:r,touched:e,fieldName:t,className:n="swap-form-input-validation-error-display"})=>Pt.default.createElement("small",{className:n,style:{display:"flex",flexDirection:"column"}},t in r&&t in e&&Pt.default.createElement("div",{className:"invalid-feedback","data-testid":`invalid-${t}`,style:{display:"flex",marginTop:"8px"}},r[t]));var Ke=({tokens:r,swapConfig:e,firstToken:t,firstAmount:n,secondToken:o,secondAmount:i,activeRoute:a,handleOnChangeFirstAmount:l,handleOnChangeSecondAmount:f,handleOnChangeFirstSelect:d,handleOnChangeSecondSelect:y,handleOnFirstMaxBtnChange:g,handleSwitchTokens:A,handleOnSubmit:E})=>{var ee,z;let k={firstAmount:"",firstToken:t,secondAmount:"",secondToken:o,activeRoute:a},x=Or({firstToken:t,secondToken:o,minAcceptedAmount:e==null?void 0:e.minSwapAmount}),B=()=>{E&&E()},{handleSubmit:h,handleBlur:T,handleChange:S,setFieldValue:w,setTouched:P,errors:b,touched:I}=(0,Rr.useFormik)({onSubmit:B,initialValues:k,validationSchema:x}),v=r==null?void 0:r.map(U=>({label:U.identifier,value:U.identifier,token:U})),L=()=>{P({},!1),w("firstAmount",""),w("secondAmount",""),w("activeRoute",void 0)},O=U=>{w("firstToken",U),L(),d(U)},F=U=>{w("secondToken",U),L(),y(U)},N=U=>{S(U),l(U.currentTarget.value)},ne=U=>{S(U),f(U.currentTarget.value)},X=t!=null&&t.token?K({amount:(ee=t.token.balance)!=null?ee:"0",decimals:t==null?void 0:t.token.decimals}):0,J=o!=null&&o.token?K({amount:(z=o.token.balance)!=null?z:"0",decimals:o==null?void 0:o.token.decimals}):0;return(0,C.useEffect)(()=>{w("firstAmount",n,!0)},[n]),(0,C.useEffect)(()=>{w("secondAmount",i,!0)},[i]),(0,C.useEffect)(()=>{w("activeRoute",a,!0)},[a]),C.default.createElement("form",{className:"dapp-core-swap-form",noValidate:!0,onSubmit:h},C.default.createElement("div",null,C.default.createElement(_e,{id:"firstToken",name:"firstToken",value:t,isSearchable:!1,options:v,onChange:O,onBlur:T,disabledOption:o}),C.default.createElement("div",null,"Balance: 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xe=M(require("react")),ce=require("@apollo/client"),Cr=require("@apollo/client/link/context"),Lr=require("@apollo/client/link/error"),Nr=require("@apollo/client/link/ws"),_r=require("@apollo/client/utilities"),Mr=require("graphql");s();s();var Ye=require("react"),Ut=(0,Ye.createContext)({accessToken:"",isAuthenticated:!1}),q=()=>{let r=(0,Ye.useContext)(Ut);if(r==null)throw new Error("useAuthorizationContext must be used within a AuthorizationProvider");return r};var Je=({children:r,accessToken:e,graphQLAddress:t,getAuthorizationHeaders:n})=>{let o=(0,xe.useMemo)(()=>(0,Cr.setContext)((g,A)=>Ge(void 0,[g,A],function*(d,{headers:y}){let E={url:t,params:d==null?void 0:d.variables,body:{operationName:d==null?void 0:d.operationName,variables:d==null?void 0:d.variables,query:(0,Mr.print)(d==null?void 0:d.query)},method:"POST"},k=yield n==null?void 0:n(E),x=e?{Authorization:`Bearer ${e}`}:{};return{headers:R(R(R({},y),x),k)}})),[e]),i=(0,xe.useMemo)(()=>{let d=(0,Lr.onError)(({graphQLErrors:y,networkError:g})=>{y&&y.forEach(({message:A,locations:E,path:k})=>{console.log(`[GraphQL error]: Message: ${A}, Location: ${E}, Path: ${k}`)}),g&&console.log(`[Network error]: ${g}`)});return(0,ce.from)([d,new ce.HttpLink({uri:t})])},[t]),a=(0,xe.useMemo)(()=>new Nr.WebSocketLink({uri:t.replace("https","wss"),options:{reconnect:!0}}),[]),l=(0,xe.useMemo)(()=>(0,ce.split)(({query:d})=>{let y=(0,_r.getMainDefinition)(d);return y.kind==="OperationDefinition"&&y.operation==="subscription"},a,o.concat(i)),[a,o,i]),f=(0,xe.useMemo)(()=>new ce.ApolloClient({cache:new ce.InMemoryCache,link:o.concat(l),queryDeduplication:!1,defaultOptions:{watchQuery:{fetchPolicy:"no-cache",errorPolicy:"all"},query:{fetchPolicy:"no-cache",errorPolicy:"all"}}}),[o,l]);return xe.default.createElement(Ut.Provider,{value:{client:f,accessToken:e,isAuthenticated:Boolean(e)}},r)};s();s();s();s();s();var me=`
balance
decimals
name
identifier
ticker
owner
assets {
website
description
status
pngUrl
svgUrl
}
price
type
previous24hPrice
previous7dPrice
`;s();s();s();var et=`
assets {
website
description
status
pngUrl
svgUrl
}
decimals
name
collection
ticker
`;var Vr=`
address
lockedToken {
${et}
}
lpProxyToken {
${et}
}
farmProxyToken {
${et}
}
intermediatedPairs
intermediatedFarms
`;var Bt=`
address
firstToken {
${me}
}
secondToken {
${me}
}
type
feesAPR
totalFeePercent
specialFeePercent
lockedTokensInfo {
lockingSC {
${Vr}
}
unlockEpoch
}
`;s();var Ue=`
value
receiver
gasPrice
gasLimit
data
chainID
version
`;s();var Ot=`
defaultSlippage
slippageValues
minSlippage
maxSlippage
minSwapAmount
`;s();var po=`
__typename
valueUSD
`,$r=`
${me}
${po}
`;s();s();var Rt=require("@apollo/client");var Ct="TRANSACTIONS_PLACEHOLDER",co=`
transactions {
${Ue}
}
`,Gr=`
query swapPackageSwapRoute (
$amountIn: String
$amountOut: String
$tokenInID: String!
$tokenOutID: String!
$tolerance: Float!
) {
swap(
amountIn: $amountIn
amountOut: $amountOut
tokenInID: $tokenInID
tokenOutID: $tokenOutID
tolerance: $tolerance
) {
amountIn
tokenInID
tokenInPriceUSD
tokenInExchangeRateDenom
amountOut
tokenOutID
tokenOutPriceUSD
tokenOutExchangeRateDenom
fees
swapType
tokenRoute
pricesImpact
maxPriceDeviationPercent
tokensPriceDeviationPercent
intermediaryAmounts
pairs {
${Bt}
}
smartSwap {
feeAmount
feePercentage
amountOut
tokenOutExchangeRateDenom
tokenInExchangeRateDenom
tokensPriceDeviationPercent
routes {
pairs {
${Bt}
}
tokenRoute
pricesImpact
intermediaryAmounts
fees
}
}
${Ct}
}
}
`,Qr=Rt.gql`
${Gr.replace(Ct,co)}
`,Wr=Rt.gql`
${Gr.replace(Ct,"")}
`;s();s();var Lt=require("@apollo/client");var zr=Lt.gql`
query swapPackageFilteredTokens ($enabledSwaps: Boolean, $pagination: ConnectionArgs, $searchInput: String, $identifiers: [String!]) {
filteredTokens (pagination: $pagination, filters: {searchToken: $searchInput, enabledSwaps: $enabledSwaps, identifiers: $identifiers}) {
edges {
node {
${me}
}
cursor
}
pageInfo {
hasNextPage
}
pageData {
count
}
}
wrappingInfo {
wrappedToken {
${me}
}
}
factory {
${Ot}
}
}
`,Hr=Lt.gql`
query swapPackageFilteredTokensWithBalance ($identifiers: [String!], $pagination: ConnectionArgs, $searchInput: String, $userTokensOffset: Int, $userTokensLimit: Int, $enabledSwaps: Boolean) {
filteredTokens (pagination: $pagination, filters: {searchToken: $searchInput, enabledSwaps: $enabledSwaps, identifiers: $identifiers}) {
edges {
node {
${me}
}
cursor
}
pageInfo {
hasNextPage
}
pageData {
count
}
}
userTokens (offset: $userTokensOffset, limit: $userTokensLimit) {
${$r}
}
wrappingInfo {
wrappedToken {
${me}
}
}
factory {
${Ot}
}
}
`;s();s();var jr=require("@apollo/client");var Nt=jr.gql`
query swapPackageWrapEgld ($wrappingAmount: String!) {
wrapEgld(amount: $wrappingAmount) {
${Ue}
}
}
`;s();var qr=require("@apollo/client");var _t=qr.gql`
query swapPackageUnwrapEgld ($wrappingAmount: String!) {
unwrapEgld(amount: $wrappingAmount) {
${Ue}
}
}
`;s();s();var Xr=require("@apollo/client"),mo=Xr.gql`
query swapPackageMaintenance {
factory {
maintenance
}
}
`;s();var tt=require("react");var rt=({query:r,queryOptions:e})=>{let{client:t}=q(),[n,o]=(0,tt.useState)(),[i,a]=(0,tt.useState)(),[l,f]=(0,tt.useState)();return{isLoading:n,isError:i,error:l,execute:y=>Ge(void 0,null,function*(){var E,k;let g=(E=y==null?void 0:y.onCompleted)!=null?E:e==null?void 0:e.onCompleted,A=(k=y==null?void 0:y.variables)!=null?k:e==null?void 0:e.variables;try{o(!0);let x=yield t==null?void 0:t.query({query:r,variables:A}),B=x==null?void 0:x.data,h=x==null?void 0:x.errors;return h&&h.length>0&&(a(!0),f(h[0].message)),B&&(a(!1),f(void 0),g==null||g(B)),o(!1),B}catch(x){o(!1),a(!0),console.error(x);return}})}};s();var Mt=require("react"),lo=M(require("bignumber.js"));s();var Zr=require("react");s();var nt=require("react"),Kr=r=>{let e=(0,nt.useRef)(void 0);return(0,nt.useEffect)(()=>{e.current=r},[r]),e.current};s();var Y=require("react"),en=M(require("bignumber.js"));s();var Me=require("react"),Yr=require("@apollo/client");var $t=({query:r,queryOptions:e,refetchTrigger:t,isPollingEnabled:n=!1,pollingIntervalMiliseconds:o=2e3,isRefetchEnabled:i=!1})=>{let a=Jr(),{client:l}=q(),P=(0,Yr.useQuery)(r,R({client:l,notifyOnNetworkStatusChange:!0,fetchPolicy:"no-cache",nextFetchPolicy:"no-cache"},e)),{error:f,loading:d,previousData:y,data:g=y,refetch:A,stopPolling:E,startPolling:k}=P,x=jt(P,["error","loading","previousData","data","refetch","stopPolling","startPolling"]),B=(0,Me.useCallback)(()=>{E(),a&&n&&!f&&!(e!=null&&e.skip)&&k(o)},[f,a,n,e==null?void 0:e.skip,e==null?void 0:e.variables]),h=()=>{A(),B()};(0,Me.useEffect)(()=>(B(),()=>{E()}),[B]),(0,Me.useEffect)(()=>{!i||t===0||(h(),B())},[t,i]);let T=g==null&&d,S=Boolean(f);return R({data:g,error:f,isError:S,isLoading:T,isRefetching:d,refetch:h},x)};var tn=({wrappedEgld:r,isPollingEnabled:e=!1,pollingIntervalMiliseconds:t=2e3})=>{var L,O;let{client:n,isAuthenticated:o}=q();if(!n)throw new Error("Swap GraphQL client not initialized");let[i,a]=(0,Y.useState)(),[l,f]=(0,Y.useState)(),[d,y]=(0,Y.useState)(),g=(0,Y.useRef)(),A=(0,Y.useMemo)(()=>Sr({firstTokenId:i==null?void 0:i.tokenInID,secondTokenId:i==null?void 0:i.tokenOutID,wrappedEgld:r}),[i,r]),E=(0,Y.useMemo)(()=>A==="wrap"?Nt:A==="unwrap"?_t:o?Qr:Wr,[o,A]),k=(0,Y.useMemo)(()=>{if(!i)return!0;let{amountIn:F,amountOut:N}=i;return!Boolean(F!=null?F:N)},[i]),{data:x,error:B,refetch:h,isRefetching:T,isLoading:S,isError:w}=$t({query:E,queryOptions:{skip:k,client:n,variables:i},isPollingEnabled:e,pollingIntervalMiliseconds:t}),P=()=>{var F,N,ne;if(!i){f(void 0),y(St({serviceError:B==null?void 0:B.message}));return}switch(A){case"wrap":case"unwrap":let X=x==null?void 0:x.wrapEgld,J=x==null?void 0:x.unwrapEgld,ee=X!=null?X:J,z=i.amountIn?0:1,U=(F=i.amountIn)!=null?F:i.amountOut,D={amountIn:U!=null?U:"0",tokenInID:i.tokenInID,tokenInPriceUSD:(N=r==null?void 0:r.price)!=null?N:"0",tokenInExchangeRateDenom:"1",maxPriceDeviationPercent:0,tokensPriceDeviationPercent:0,amountOut:U!=null?U:"0",tokenOutID:i.tokenOutID,tokenOutPriceUSD:(ne=r==null?void 0:r.price)!=null?ne:"0",tokenOutExchangeRateDenom:"1",fees:[],swapType:z,tokenRoute:[],pricesImpact:[],intermediaryAmounts:[],pairs:[],transactions:ee?[ee]:[],smartSwap:null};y(void 0),f(D);break;default:let V=x==null?void 0:x.swap,H=St({serviceError:B==null?void 0:B.message,lossPercentage:new en.default(V==null?void 0:V.maxPriceDeviationPercent).times(100).toString(10)});y(H),f(H?void 0:V)}},b=({amountIn:F,amountOut:N,tokenInID:ne,tokenOutID:X,tolerancePercentage:J=1})=>{if(!F&&!N){a(void 0);return}let ee=J<0||J>100?1:J,z={wrappingAmount:F!=null?F:N,amountIn:F,amountOut:N,tokenInID:ne,tokenOutID:X,tolerance:ee/100};a(z),g.current=z};(0,Y.useEffect)(P,[x,B,i]);let I=Boolean((S||T)&&((L=g.current)==null?void 0:L.amountIn)),v=Boolean((S||T)&&((O=g.current)==null?void 0:O.amountOut));return{refetch:h,getSwapRoute:b,swapRoute:l,swapActionType:A,swapRouteError:d,isAmountInLoading:v,isAmountOutLoading:I,isSwapRouteError:w,isSwapRouteLoading:S,transactions:l==null?void 0:l.transactions,previousFetchVariables:g}};s();s();var Be=require("react"),rn=()=>typeof document===void 0?!0:document.visibilityState==="visible",Jr=()=>{let[r,e]=(0,Be.useState)(rn()),t=(0,Be.useCallback)(()=>{e(rn())},[e]);return(0,Be.useEffect)(()=>{if(typeof document!==void 0)return document.addEventListener("visibilitychange",t),()=>document.removeEventListener("visibilitychange",t)},[t]),r};s();var G=require("react");s();var nn=require("react"),on=({tokens:r,hasMore:e,pageSize:t,isLoading:n,observerId:o,loadedCursors:i,currentCursor:a,setPagination:l})=>{(0,nn.useEffect)(()=>{if(!o)return;let f=document.getElementById(o);if(!f)return;let d=new IntersectionObserver(y=>{y[0].isIntersecting&&e&&!n&&a&&!i.has(a)&&l({first:t,after:a})},{threshold:1});return d.observe(f),()=>{d.disconnect()}},[r,o])};s();var ot=require("react"),it=require("@apollo/client");var fo=it.gql`
subscription swapPackageTokensPriceUpdated {
tokensPriceUpdated {
updates
}
}
`,sn=()=>{let[r,e]=(0,ot.useState)({}),{client:t}=q(),{data:n}=(0,it.useSubscription)(fo,{client:t});return(0,ot.useEffect)(()=>{!(n!=null&&n.tokensPriceUpdated)||e(o=>{let i=R({},o);try{n==null||n.tokensPriceUpdated.updates.forEach(a=>{let l=a[0],f=a[1];i[l]={price:f,timestamp:Date.now()}});for(let a in i)Date.now()-i[a].timestamp>1e4&&delete i[a]}catch(a){console.error("Failed to update prices: ",a)}return i})},[n]),{priceSubscriptions:r}};var ho=0,yo=1e3,go="",To=!0,xo=[],an=r=>{var z,U;let e=(0,G.useRef)(!0),t=(z=r==null?void 0:r.enableProgressiveFetching)!=null?z:!0,{client:n,isAuthenticated:o}=q(),i=(0,G.useMemo)(()=>t?20:60,[t]);if(!n)throw new Error("Swap GraphQL client not initialized");let a=r==null?void 0:r.searchInput,[l,f]=(0,G.useState)({first:i,after:""}),[d,y]=(0,G.useState)(!0),[g,A]=(0,G.useState)(),[E,k]=(0,G.useState)(new Set),[x,B]=(0,G.useState)([]),[h,T]=(0,G.useState)(),[S,w]=(0,G.useState)(),[P,b]=(0,G.useState)(),{priceSubscriptions:I}=sn(),v=D=>{var Wt;if(!D)return;let{wrappingInfo:V,userTokens:H,factory:oe,filteredTokens:Se}=D,{edges:le,pageInfo:Re,pageData:st}=Se;b(st==null?void 0:st.count),oe&&w(oe);let at=V&&V.length?V[0].wrappedToken:void 0;if(at&&T(at),!le)return;A((Wt=le[le.length-1])==null?void 0:Wt.cursor);let mn=le.m