@paraswap/sdk - npm Package Compare versions

Comparing version 5.6.0-alpha.3 to 5.6.0-alpha.4

dist/helpers/index.d.ts

@@ -1,6 +0,6 @@
-export { constructFetcher as constructAxiosFetcher } from './axios';
-export { constructFetcher as constructFetchFetcher } from './fetch';
-export { constructContractCaller as constructEthersContractCaller } from './ethers';
-export { constructContractCaller as constructWeb3ContractCaller } from './web3';
+export { constructFetcher as constructAxiosFetcher } from './fetchers/axios';
+export { constructFetcher as constructFetchFetcher } from './fetchers/fetch';
+export { constructContractCaller as constructEthersContractCaller, EthersProviderDeps, } from './providers/ethers';
+export { constructContractCaller as constructWeb3ContractCaller, Web3UnpromiEvent, } from './providers/web3';
 export { isFetcherError } from './misc';
 //# sourceMappingURL=index.d.ts.map

dist/helpers/misc.d.ts

@@ -1,21 +0,29 @@
-import type { Contract, ContractFunction, PopulatedTransaction, BigNumber } from 'ethers';
+import type { Contract as EthersContract, ContractFunction as EthersContractFunction, PopulatedTransaction as EthersPopulatedTransaction, BigNumber as EthersBigNumber } from 'ethers';
+import type { ContractSendMethod as Web3ContractSendMethod, Contract as Web3Contract } from 'web3-eth-contract';
 import type { AxiosError } from 'axios';
-export declare type ContractWithMethod<T extends string> = Contract & {
-    readonly [method in T]: ContractFunction;
+export declare type EthersContractWithMethod<T extends string> = EthersContract & {
+    readonly [method in T]: EthersContractFunction;
 } & {
     readonly functions: {
-        [method in T]: ContractFunction;
+        [method in T]: EthersContractFunction;
     };
     readonly callStatic: {
-        [method in T]: ContractFunction;
+        [method in T]: EthersContractFunction;
     };
     readonly estimateGas: {
-        [method in T]: ContractFunction<BigNumber>;
+        [method in T]: EthersContractFunction<EthersBigNumber>;
     };
     readonly populateTransaction: {
-        [method in T]: ContractFunction<PopulatedTransaction>;
+        [method in T]: EthersContractFunction<EthersPopulatedTransaction>;
     };
 };
-export declare function contractHasMethods<T extends string>(contract: Contract, ...methods: T[]): contract is ContractWithMethod<T>;
-export declare function assertContractHasMethods<T extends string>(contract: Contract, ...methods: T[]): asserts contract is ContractWithMethod<T>;
+export declare function ethersContractHasMethods<T extends string>(contract: EthersContract, ...methods: T[]): contract is EthersContractWithMethod<T>;
+export declare function assertEthersContractHasMethods<T extends string>(contract: EthersContract, ...methods: T[]): asserts contract is EthersContractWithMethod<T>;
+export declare type Web3ContractWithMethod<T extends string> = Web3Contract & {
+    methods: {
+        [method in T]: Web3ContractSendMethod;
+    };
+};
+export declare function web3ContractHasMethods<T extends string>(contract: Web3Contract, ...methods: T[]): contract is Web3ContractWithMethod<T>;
+export declare function assertWeb3ContractHasMethods<T extends string>(contract: Web3Contract, ...methods: T[]): asserts contract is Web3ContractWithMethod<T>;
 export declare const objectToFilledEntries: <T extends Record<string, unknown>>(object: T) => [string, string][];
@@ -22,0 +30,0 @@ export declare const constructSearchString: <U extends Record<string, unknown>>(queryOptions: U) => `?${string}` | '';

dist/index.d.ts

@@ -1,25 +0,21 @@
-import { constructApproveToken, ApproveTokenFunctions } from './approve';
-import { constructGetBalances, GetBalancesFunctions } from './balance';
-import { constructGetSpender, GetSpenderFunctions } from './spender';
-import { constructGetAdapters, AdaptersFunctions } from './adapters';
-import { constructGetRate, GetRateFunctions } from './rates';
-import { constructGetTokens, constructToken, GetTokensFunctions, Token, PriceString } from './token';
-import { BuildTxFunctions, constructBuildTx } from './transaction';
-import { constructEthersContractCaller, constructWeb3ContractCaller, constructAxiosFetcher, constructFetchFetcher, isFetcherError } from './helpers';
-import { ConstructBaseInput, ConstructFetchInput, ConstructProviderFetchInput, Address } from './types';
-import { UnionToIntersection } from 'ts-essentials';
-export type { TransactionParams } from './transaction';
+import { constructApproveToken, ApproveTokenFunctions } from './methods/approve';
+import { constructGetBalances, GetBalancesFunctions, isAllowance, Allowance } from './methods/balance';
+import { constructGetSpender, GetSpenderFunctions } from './methods/spender';
+import { constructGetAdapters, GetAdaptersFunctions } from './methods/adapters';
+import { constructGetRate, GetRateFunctions } from './methods/rates';
+import { constructGetTokens, GetTokensFunctions } from './methods/token';
+import { BuildTxFunctions, constructBuildTx } from './methods/transaction';
+import { constructEthersContractCaller, constructWeb3ContractCaller, constructAxiosFetcher, constructFetchFetcher, isFetcherError, EthersProviderDeps } from './helpers';
+import { ConstructFetchInput, ConstructProviderFetchInput, Address, AddressOrSymbol, Token, PriceString, TxHash, TxSendOverrides } from './types';
+export type { TransactionParams } from './methods/transaction';
+export type { Web3UnpromiEvent } from './helpers';
 export * from './constants';
 export { constructApproveToken, constructGetBalances, // getAllowances is inside
 constructGetSpender, // this was getTokenTransferProxy
-constructGetTokens, constructBuildTx, constructEthersContractCaller, constructWeb3ContractCaller, constructAxiosFetcher, constructFetchFetcher, constructToken, constructGetAdapters, constructGetRate, isFetcherError, };
-export type { ApproveTokenFunctions, GetBalancesFunctions, GetSpenderFunctions, GetTokensFunctions, BuildTxFunctions, ConstructFetchInput, ConstructProviderFetchInput, AdaptersFunctions as ConstructAdaptersFunctions, Token, Address, PriceString, };
-export declare type SDKConfig = ConstructProviderFetchInput & ConstructFetchInput;
-export declare type AllSDKMethods = GetBalancesFunctions & GetTokensFunctions & GetSpenderFunctions & ApproveTokenFunctions & BuildTxFunctions & AdaptersFunctions & GetRateFunctions;
-declare type AnyFunction = (...args: any[]) => any;
-declare type SDKFunction<T extends ConstructBaseInput> = (config: T) => Record<string, AnyFunction>;
-declare type IntersectionOfReturns<Funcs extends AnyFunction[]> = UnionToIntersection<ReturnType<Funcs[number]>>;
-export declare const constructPartialSDK: <T extends ConstructBaseInput, Funcs extends [SDKFunction<T>, ...SDKFunction<T>[]]>(config: T, ...funcs: Funcs) => UnionToIntersection<ReturnType<Funcs[number]>>;
-export declare const constructSDK: (config: SDKConfig) => AllSDKMethods;
+constructGetTokens, constructBuildTx, constructEthersContractCaller, constructWeb3ContractCaller, constructAxiosFetcher, constructFetchFetcher, constructGetAdapters, constructGetRate, isFetcherError, isAllowance, };
+export type { Allowance, EthersProviderDeps, ApproveTokenFunctions, GetBalancesFunctions, GetSpenderFunctions, GetTokensFunctions, GetAdaptersFunctions, GetRateFunctions, BuildTxFunctions, ConstructFetchInput, ConstructProviderFetchInput, Token, Address, AddressOrSymbol, PriceString, TxHash, TxSendOverrides, };
+export { SDKConfig, constructPartialSDK } from './sdk/partial';
+export { AllSDKMethods, constructFullSDK } from './sdk/full';
+export { SDKFetchMethods, constructSimpleSDK } from './sdk/simple';
 export { ParaSwap } from './legacy';
 //# sourceMappingURL=index.d.ts.map

dist/legacy/index.d.ts

 import type { AxiosStatic } from 'axios';
 import type Web3 from 'web3';
 import type { SendOptions } from 'web3-eth-contract';
-import type { Contract as EthersContract } from '@ethersproject/contracts';
-import type { Signer } from '@ethersproject/abstract-signer';
-import type { BaseProvider } from '@ethersproject/providers';
+import type { ContractTransaction } from '@ethersproject/contracts';
 import type { Address, OptimalRate } from 'paraswap-core';
 import { SwapSide } from '../constants';
 import { AllSDKMethods, PriceString } from '..';
-import type { RateOptions } from '../rates';
-import type { BuildOptions, TransactionParams } from '../transaction';
-import type { AddressOrSymbol, Token } from '../token';
-import type { Allowance } from '../balance';
-import type { FetcherFunction } from '../types';
+import { Web3UnpromiEvent, EthersProviderDeps } from '../helpers';
+import type { RateOptions } from '../methods/rates';
+import type { BuildOptions, TransactionParams } from '../methods/transaction';
+import type { AddressOrSymbol, Token, FetcherFunction } from '../types';
+import type { Allowance } from '../methods/balance';
 export declare type APIError = {
@@ -20,6 +18,3 @@ message: string;
 };
-interface EthersProviderDeps {
-    providerOrSigner: BaseProvider | Signer;
-    Contract: typeof EthersContract;
-}
+declare type TxResponse = Web3UnpromiEvent | ContractTransaction;
 /** @deprecated */
@@ -34,7 +29,8 @@ export declare class ParaSwap {
     fetch?: typeof fetch | undefined;
-    sdk: Partial<AllSDKMethods>;
+    sdk: Partial<AllSDKMethods<TxResponse>>;
     fetcher: FetcherFunction;
     constructor(network?: number, apiURL?: string, web3Provider?: Web3 | undefined, ethersDeps?: EthersProviderDeps | undefined, // need to be a provider with signer for approve requests
     account?: string | undefined, axios?: AxiosStatic | undefined, fetch?: typeof globalThis.fetch | undefined);
-    private handleAPIError;
+    private static handleAPIError;
+    private static extractHasFromTxResponse;
     setWeb3Provider(web3Provider: Web3, account?: string): this;
@@ -41,0 +37,0 @@ setEthersProvider(ethersDeps: EthersProviderDeps, account?: string): this;

dist/sdk.cjs.production.min.js

@@ -1,2 +0,2 @@
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2:if(!("message"in(o=t.sent))){t.next=5;break}return t.abrupt("return",o);case 5:return t.abrupt("return",{tokenAddress:o.address,allowance:void 0===(a=o.allowance)?"0":a});case 7:case"end":return t.stop()}}),t)})));return function(e,r,n){return t.apply(this,arguments)}}();return{getBalance:s,getBalances:a,getAllowance:u,getAllowances:i}};function E(t){for(var e=arguments.length,r=new Array(e>1?e-1:0),n=1;n<e;n++)r[n-1]=arguments[n];return r.every((function(e){return"function"==typeof t[e]}))}function T(t){for(var r=arguments.length,n=new Array(r>1?r-1:0),o=1;o<r;o++)n[o-1]=arguments[o];e.assert(E.apply(void 0,[t].concat(n)),"Contract must have methods: "+n.join(", "))}var A,P=function(t){var e=Object.entries(t).filter((function(t){return void 0!==t[1]})).map((function(t){return[t[0],String(t[1])]})),r=new URLSearchParams(e).toString();return r&&"?"+r},S=function(t){return t instanceof L},L=function(t){var e,r;function n(e){var r,o=e.code,a=e.request,s=e.response,i=e.isAxiosError,u=e.message;if((r=t.call(this)||this).code=void 0,r.status=void 0,r.request=void 0,r.response=void 0,r.isAxiosError=!1,Error.captureStackTrace&&Error.captureStackTrace(h(r),n),r.name=r.constructor.name,r.code=o,r.request=a,r.isAxiosError=i,!s)return r.message=u,h(r);r.response=s;var c=s.data;return r.status=s.status,r.message=(null==c?void 0:c.error)||u,r}return r=t,(e=n).prototype=Object.create(r.prototype),e.prototype.constructor=e,s(e,r),n}(c(Error)),R=function(t){var e=t.apiURL,r=void 0===e?l:e,o=t.network,a=t.fetcher;function s(){return(s=n(d.mark((function t(e,n){var s,i;return d.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return s=P({network:o,namesOnly:e&&"namesOnly"in e?e.namesOnly:void 0}),i=r+"/adapters"+("list"===(null==e?void 0:e.type)?"/list":"")+s,t.next=4,a({url:i,method:"GET",signal:n});case 4:return t.abrupt("return",t.sent);case 6:case"end":return t.stop()}}),t)})))).apply(this,arguments)}return{getAdapters:function(t,e){return s.apply(this,arguments)}}},O=["srcToken","destToken"],j=["route"],_=["options"],C=["excludePricingMethods","excludeContractMethods","includeContractMethods","adapterVersion","partner","includeDEXS","excludeDEXS"];!function(t){t.megapath="megapath",t.multipath="multipath",t.simplepath="simplepath"}(A||(A={}));var M=function(t){var e=t.apiURL,r=t.network,a=t.fetcher,s=(void 0===e?l:e)+"/prices",i=function(){var t=n(d.mark((function t(e,n){var i,u,c,h,f,l;return d.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return i=e.srcToken,u=e.destToken,c=p(e,O),h=B(c),f=P(o({srcToken:i,destToken:u,network:r},h)),l=s+"/"+f,t.next=6,a({url:l,method:"GET",signal:n});case 6:return t.abrupt("return",t.sent.priceRoute);case 8:case"end":return t.stop()}}),t)})));return function(e,r){return t.apply(this,arguments)}}(),u=function(){var t=n(d.mark((function t(e,n){var i,u,c,h,f,l;return d.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:if(i=e.route,u=p(e,j),!(i.length<2)){t.next=3;break}throw new Error("Invalid Route");case 3:return c=B(u),h=i.join("-"),f=P(o({route:h,network:r},c)),l=s+"/"+f,t.next=9,a({url:l,method:"GET",signal:n});case 9:return t.abrupt("return",t.sent.priceRoute);case 11:case"end":return t.stop()}}),t)})));return function(e,r){return t.apply(this,arguments)}}();return{getRate:i,getRateByRoute:u}};function B(t){var e=t.options,r=void 0===e?{}:e,n=p(t,_),a=r.excludePricingMethods,s=r.excludeContractMethods,i=r.includeContractMethods,u=r.adapterVersion,c=r.partner,h=void 0===c?"paraswap.io":c,f=r.includeDEXS,d=r.excludeDEXS,l=p(r,C);return I(f),I(d),o({version:u,excludePricingMethods:null==a?void 0:a.join(","),excludeContractMethods:null==s?void 0:s.join(","),includeContractMethods:null==i?void 0:i.join(","),partner:h,includeDEXS:f,excludeDEXS:d},n,l)}function I(t){if(t&&!t.split(",").length)throw new Error("Invalid DEX list")}var D=function(r){var o=r.apiURL,a=r.fetcher,s=(void 0===o?l:o)+"/transactions/"+r.network,i=function(){var r=n(d.mark((function r(n,o,i){var u,c,p,h;return d.wrap((function(r){for(;;)switch(r.prev=r.next){case 0:return void 0===o&&(o={}),c=(u=n.priceRoute.side)===t.SwapSide.SELL?"Source Amount Mismatch":"Destination Amount Mismatch",e.assert((void 0,void 0,void 0,d=(f={queryParams:{srcAmount:n.srcAmount,destAmount:n.destAmount},side:u,priceRoute:n.priceRoute}).queryParams,l=f.priceRoute,(v=f.side===t.SwapSide.SELL?[d.srcAmount,l.srcAmount]:[d.destAmount,l.destAmount])[0]===v[1]),c),p=P(o),h={url:s+"/"+p,method:"POST",data:n,signal:i},r.next=9,a(h);case 9:return r.abrupt("return",r.sent);case 11:case"end":return r.stop()}var f,d,l,v}),r)})));return function(t,e,n){return r.apply(this,arguments)}}();return{buildTx:i}},G=function(t){return function(){var e=n(d.mark((function e(r){return d.wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return e.prev=0,e.next=3,t.request(r);case 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L)){e.next=19;break}throw e.t0;case 19:throw new L(e.t0);case 20:case"end":return e.stop()}}),e,null,[[0,15]])})));return function(t){return e.apply(this,arguments)}}()},F=["block","gas"],z=["gas","from"],N=function(t,r){var a=t.providerOrSigner,s=t.Contract,i=function(){var t=n(d.mark((function t(n){var i,u,c,h,f,l,v,w,m,g,y,k,x,b,E,A,P,S,L,R;return d.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:if(!n.static){t.next=8;break}return u=n.contractMethod,c=n.args,h=n.overrides,T(f=new s(n.address,n.abi,a),u),l=h.block,v=h.gas,w=p(h,F),m=o({},w,{blockTag:l,gasLimit:v}),t.abrupt("return",(i=f.callStatic)[u].apply(i,c.concat([m])));case 8:return e.assert(r,"account must be specified to create a signer"),e.assert(q(a)||X(a),"ethers must be an instance of Signer or JsonRpcProvider to create a signer"),g=n.address,y=n.abi,k=n.contractMethod,x=n.args,b=n.overrides,E="getSigner"in a?a.getSigner(r):a,T(A=new 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o.handleAPIError=function(t){if(!S(t))return{message:"Unknown error: "+t};if(!t.response)return{message:t.message};var e=t.response,r=e.data;return{status:e.status,message:r.error,data:r}},o.setWeb3Provider=function(t,e){var r=V(t,e);return this.sdk=H({fetcher:this.fetcher,contractCaller:r,apiURL:this.apiURL,network:this.network}),this.web3Provider=t,this.ethersDeps=void 0,this.account=e,this},o.setEthersProvider=function(t,e){var r=N(t,e);return this.sdk=H({fetcher:this.fetcher,contractCaller:r,apiURL:this.apiURL,network:this.network}),this.web3Provider=void 0,this.ethersDeps=t,this.account=e,this},o.getTokens=function(){var t=n(d.mark((function t(){return d.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return e.assert(this.sdk.getTokens,"sdk must be initialized with a fetcher"),t.prev=1,t.next=4,this.sdk.getTokens();case 4:return t.abrupt("return",t.sent);case 7:return t.prev=7,t.t0=t.catch(1),t.abrupt("return",this.handleAPIError(t.t0));case 10:case"end":return t.stop()}}),t,this,[[1,7]])})));return function(){return t.apply(this,arguments)}}(),o.getAdapters=function(){var t=n(d.mark((function t(){return d.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return e.assert(this.sdk.getAdapters,"sdk must be initialized with a fetcher"),t.prev=1,t.next=4,this.sdk.getAdapters({type:"object"});case 4:return t.abrupt("return",t.sent);case 7:return t.prev=7,t.t0=t.catch(1),t.abrupt("return",this.handleAPIError(t.t0));case 10:case"end":return t.stop()}}),t,this,[[1,7]])})));return function(){return t.apply(this,arguments)}}(),o.getRateByRoute=function(){var r=n(d.mark((function r(n,o,a,s,i,u,c){return d.wrap((function(r){for(;;)switch(r.prev=r.next){case 0:if(void 0===s&&(s=t.SwapSide.SELL),e.assert(this.sdk.getRateByRoute,"sdk must be initialized with a fetcher"),!(n.length<2)){r.next=4;break}return r.abrupt("return",{message:"Invalid Route"});case 4:return r.prev=4,r.next=7,this.sdk.getRateByRoute({route:n,amount:o,userAddress:a,side:s,options:i,srcDecimals:u,destDecimals:c});case 7:return r.abrupt("return",r.sent);case 10:return r.prev=10,r.t0=r.catch(4),r.abrupt("return",this.handleAPIError(r.t0));case 13:case"end":return r.stop()}}),r,this,[[4,10]])})));return function(t,e,n,o,a,s,i){return r.apply(this,arguments)}}(),o.getRate=function(){var r=n(d.mark((function r(n,o,a,s,i,u,c,p){return d.wrap((function(r){for(;;)switch(r.prev=r.next){case 0:return void 0===i&&(i=t.SwapSide.SELL),void 0===u&&(u={}),e.assert(this.sdk.getRate,"sdk must be initialized with a fetcher"),r.prev=3,r.next=6,this.sdk.getRate({srcToken:n,destToken:o,amount:a,userAddress:s,side:i,options:u,srcDecimals:c,destDecimals:p});case 6:return r.abrupt("return",r.sent);case 9:return r.prev=9,r.t0=r.catch(3),r.abrupt("return",this.handleAPIError(r.t0));case 12:case"end":return r.stop()}}),r,this,[[3,9]])})));return function(t,e,n,o,a,s,i,u){return r.apply(this,arguments)}}(),o.buildTx=function(){var t=n(d.mark((function t(r,n,o,a,s,i,u,c,p,h,f,l,v,w,m){return d.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return void 0===f&&(f={}),e.assert(this.sdk.buildTx,"sdk must be initialized with a fetcher"),t.prev=2,t.next=5,this.sdk.buildTx({srcToken:r,destToken:n,srcAmount:o,destAmount:a,priceRoute:s,userAddress:i,partner:u,partnerAddress:c,partnerFeeBps:p,receiver:h,srcDecimals:l,destDecimals:v,permit:w,deadline:m},f);case 5:return t.abrupt("return",t.sent);case 8:return t.prev=8,t.t0=t.catch(2),t.abrupt("return",this.handleAPIError(t.t0));case 11:case"end":return t.stop()}}),t,this,[[2,8]])})));return function(e,r,n,o,a,s,i,u,c,p,h,f,d,l,v){return t.apply(this,arguments)}}(),o.getTokenTransferProxy=function(){var t=n(d.mark((function t(r){return d.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return e.assert(this.sdk.getSpender,"sdk must be initialized with a fetcher"),t.prev=1,t.next=4,this.sdk.getSpender();case 4:return t.abrupt("return",t.sent);case 7:return t.prev=7,t.t0=t.catch(1),t.abrupt("return",this.handleAPIError(t.t0));case 10:case"end":return t.stop()}}),t,this,[[1,7]])})));return function(e){return t.apply(this,arguments)}}(),o.getAllowances=function(){var t=n(d.mark((function t(r,n){return d.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return e.assert(this.sdk.getAllowances,"sdk must be initialized with a fetcher"),t.prev=1,t.next=4,this.sdk.getAllowances(r,n);case 4:return t.abrupt("return",t.sent);case 7:return t.prev=7,t.t0=t.catch(1),t.abrupt("return",this.handleAPIError(t.t0));case 10:case"end":return t.stop()}}),t,this,[[1,7]])})));return function(e,r){return t.apply(this,arguments)}}(),o.getAllowance=function(){var t=n(d.mark((function t(r,n){return d.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return e.assert(this.sdk.getAllowance,"sdk must be initialized with a fetcher"),t.prev=1,t.next=4,this.sdk.getAllowance(r,n);case 4:return t.abrupt("return",t.sent);case 7:return t.prev=7,t.t0=t.catch(1),t.abrupt("return",this.handleAPIError(t.t0));case 10:case"end":return t.stop()}}),t,this,[[1,7]])})));return function(e,r){return t.apply(this,arguments)}}(),o.approveTokenBulk=function(){var t=n(d.mark((function t(r,n,o,a){return d.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return e.assert(this.sdk.approveTokenBulk,"sdk must be initialized with a provider"),t.prev=1,t.next=4,this.sdk.approveTokenBulk(r,o);case 4:return t.abrupt("return",t.sent);case 7:return t.prev=7,t.t0=t.catch(1),t.abrupt("return",this.handleAPIError(t.t0));case 10:case"end":return t.stop()}}),t,this,[[1,7]])})));return function(e,r,n,o){return t.apply(this,arguments)}}(),o.approveToken=function(){var t=n(d.mark((function t(r,n,o,a,s){return d.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return e.assert(this.sdk.approveToken,"sdk must be initialized with a provider"),t.prev=1,t.next=4,this.sdk.approveToken(r,o);case 4:return t.abrupt("return",t.sent);case 7:return t.prev=7,t.t0=t.catch(1),t.abrupt("return",this.handleAPIError(t.t0));case 10:case"end":return t.stop()}}),t,this,[[1,7]])})));return function(e,r,n,o,a){return t.apply(this,arguments)}}(),o.getMarketNames=function(){var t=n(d.mark((function t(){return d.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return e.assert(this.sdk.getAdapters,"sdk must be initialized with a fetcher"),t.prev=1,t.next=4,this.sdk.getAdapters({type:"list",namesOnly:!0});case 4:return t.abrupt("return",t.sent);case 7:return t.prev=7,t.t0=t.catch(1),t.abrupt("return",this.handleAPIError(t.t0));case 10:case"end":return t.stop()}}),t,this,[[1,7]])})));return function(){return t.apply(this,arguments)}}(),o.getBalance=function(){var t=n(d.mark((function t(r,n){return d.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return e.assert(this.sdk.getBalance,"sdk must be initialized with a fetcher"),t.prev=1,t.next=4,this.sdk.getBalance(r,n);case 4:return 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11:case"end":return e.stop()}var h,l,d,v}),e)})));return function(t,r,n){return e.apply(this,arguments)}}();return{buildTx:i}},F=function(t){return function(){var r=n(l.mark((function r(e){return l.wrap((function(r){for(;;)switch(r.prev=r.next){case 0:return r.prev=0,r.next=3,t.request(e);case 3:return r.abrupt("return",r.sent.data);case 8:if(r.prev=8,r.t0=r.catch(0),!t.isAxiosError(r.t0)){r.next=12;break}throw new R(r.t0);case 12:throw r.t0;case 13:case"end":return r.stop()}}),r,null,[[0,8]])})));return function(t){return r.apply(this,arguments)}}()},z=function(t){return function(){var r=n(l.mark((function r(e){var n,a,o,s,i,u,c;return l.wrap((function(r){for(;;)switch(r.prev=r.next){case 0:return r.prev=0,n=e.url,o=e.signal,s="POST"===(a=e.method)?JSON.stringify(e.data):null,i="POST"===a&&s?{"Content-Type":"application/json"}:void 0,r.next=6,t(n,{method:a,body:s,signal:o,headers:i});case 6:return u=r.sent,r.next=9,u.json();case 9:if(c=r.sent,u.ok){r.next=12;break}throw new R({code:String(u.status),response:{data:c,status:u.status,statusText:u.statusText,headers:Object.fromEntries(u.headers.entries()),config:{url:n,method:a}},message:u.statusText,isAxiosError:!1});case 12:return r.abrupt("return",c);case 15:if(r.prev=15,r.t0=r.catch(0),!(r.t0 instanceof R)){r.next=19;break}throw r.t0;case 19:throw new R(r.t0);case 20:case"end":return r.stop()}}),r,null,[[0,15]])})));return function(t){return r.apply(this,arguments)}}()},N=["block","gas"],q=["gas","from"],X=function(t,e){var o=t.ethersProviderOrSigner,s=t.EthersContract,i=function(){var t=n(l.mark((function t(r){var e,n,i,u,c,f,h,d,v;return l.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return n=r.contractMethod,i=r.args,u=r.overrides,E(c=new s(r.address,r.abi,o),n),f=u.block,h=u.gas,d=p(u,N),v=a({},d,{blockTag:f,gasLimit:h}),t.abrupt("return",(e=c.callStatic)[n].apply(e,i.concat([v])));case 7:case"end":return t.stop()}}),t)})));return function(r){return t.apply(this,arguments)}}(),u=function(){var t=n(l.mark((function t(n){var i,u,c,f,h,d,v,w,m,y,g;return l.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return r.assert(e,"account must be specified to create a signer"),r.assert(H(o)||K(o),"ethers must be an instance of Signer or JsonRpcProvider to create a signer"),i=n.address,u=n.abi,c=n.contractMethod,f=n.args,h=n.overrides,d="getSigner"in o?o.getSigner(e):o,E(v=new s(i,u,d),c),w=h.gas,m=p(h,q),y=a({},m,{gasLimit:w}),g=y,t.next=11,v[c].apply(v,f.concat([g]));case 11:return t.abrupt("return",t.sent);case 13:case"end":return t.stop()}}),t)})));return function(r){return t.apply(this,arguments)}}();return{staticCall:i,transactCall:u}};function H(t){return function(t){return"_isProvider"in t&&t._isProvider}(t)&&"getSigner"in t}function K(t){return"_isSigner"in t&&t._isSigner}var J=["block","gas"],V=["gas","from"],W=function(t,e){var o=function(){var e=n(l.mark((function e(n){var o,s,i,u,c,f,h,d;return l.wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return r.assert(t.currentProvider,"web3.currentProvider is not set"),s=n.contractMethod,i=n.args,u=n.overrides,P(c=new t.eth.Contract(n.abi,n.address),s),f=u.gas,h=p(u,J),d=a({},h,{gas:f}),e.abrupt("return",(o=c.methods)[s].apply(o,i).call(d));case 7:case"end":return e.stop()}}),e)})));return function(t){return e.apply(this,arguments)}}(),s=function(){var o=n(l.mark((function n(o){var s,i,u,c,f,h,d,v,w,m,y,g,k;return l.wrap((function(n){for(;;)switch(n.prev=n.next){case 0:return r.assert(t.currentProvider,"web3.currentProvider is not set"),i=o.contractMethod,u=o.args,c=o.overrides,P(f=new t.eth.Contract(o.abi,o.address),i),h=c.gas,d=c.from,v=p(c,V),r.assert(w=d||e,"from is required"),m=a({},v,{from:w,gas:h}),y=(s=f.methods)[i].apply(s,u),g=y.send(m),k={on:g.on.bind(g),once:g.once.bind(g)},n.abrupt("return",k);case 12:case"end":return n.stop()}}),n)})));return function(t){return o.apply(this,arguments)}}();return{staticCall:o,transactCall:s}},Y=function(t){for(var r=arguments.length,e=new Array(r>1?r-1:0),n=1;n<r;n++)e[n-1]=arguments[n];var a=e.reduce((function(r,e){var n=e(t);return Object.assign(r,n)}),{});return a},Q=function(t){return Y(t,x,U,v,m,G,O,B)},Z=function(){function e(t,e,n,a,o,s,i){void 0===t&&(t=1),void 0===e&&(e=d),this.network=void 0,this.apiURL=void 0,this.web3Provider=void 0,this.ethersDeps=void 0,this.account=void 0,this.axios=void 0,this.fetch=void 0,this.sdk={},this.fetcher=void 0,this.network=t,this.apiURL=e,this.web3Provider=n,this.ethersDeps=a,this.account=o,this.axios=s,this.fetch=i;var u=s?F(s):i?z(i):null;if(r.assert(u,"at least one fetcher is needed"),this.fetcher=u,n||a){var c=a?X(a,o):n?W(n,o):null;c&&(this.sdk=Q({fetcher:u,contractCaller:c,apiURL:e,network:t}))}else this.sdk=Y({fetcher:u,apiURL:e,network:t},x,U,v,G,O,B)}e.handleAPIError=function(t){if(!L(t))return{message:"Unknown error: "+t};if(!t.response)return{message:t.message};var r=t.response,e=r.data;return{status:r.status,message:e.error,data:e}},e.extractHasFromTxResponse=function(){var t=n(l.mark((function t(r){return l.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:if(!("once"in r)){t.next=2;break}return t.abrupt("return",new Promise((function(t,e){r.once("transactionHash",t),r.once("error",e)})));case 2:return t.next=4,r;case 4:return t.abrupt("return",t.sent.hash);case 7:case"end":return t.stop()}}),t)})));return function(r){return t.apply(this,arguments)}}();var a=e.prototype;return a.setWeb3Provider=function(t,r){var e=W(t,r);return this.sdk=Q({fetcher:this.fetcher,contractCaller:e,apiURL:this.apiURL,network:this.network}),this.web3Provider=t,this.ethersDeps=void 0,this.account=r,this},a.setEthersProvider=function(t,r){var e=X(t,r);return this.sdk=Q({fetcher:this.fetcher,contractCaller:e,apiURL:this.apiURL,network:this.network}),this.web3Provider=void 0,this.ethersDeps=t,this.account=r,this},a.getTokens=function(){var t=n(l.mark((function t(){return l.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return r.assert(this.sdk.getTokens,"sdk must be initialized with a fetcher"),t.prev=1,t.next=4,this.sdk.getTokens();case 4:return t.abrupt("return",t.sent);case 7:return t.prev=7,t.t0=t.catch(1),t.abrupt("return",e.handleAPIError(t.t0));case 10:case"end":return t.stop()}}),t,this,[[1,7]])})));return function(){return t.apply(this,arguments)}}(),a.getAdapters=function(){var t=n(l.mark((function t(){return l.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return r.assert(this.sdk.getAdapters,"sdk must be initialized with a fetcher"),t.prev=1,t.next=4,this.sdk.getAdapters({type:"object"});case 4:return t.abrupt("return",t.sent);case 7:return t.prev=7,t.t0=t.catch(1),t.abrupt("return",e.handleAPIError(t.t0));case 10:case"end":return t.stop()}}),t,this,[[1,7]])})));return function(){return t.apply(this,arguments)}}(),a.getRateByRoute=function(){var a=n(l.mark((function n(a,o,s,i,u,c,p){return l.wrap((function(n){for(;;)switch(n.prev=n.next){case 0:if(void 0===i&&(i=t.SwapSide.SELL),r.assert(this.sdk.getRateByRoute,"sdk must be initialized with a fetcher"),!(a.length<2)){n.next=4;break}return n.abrupt("return",{message:"Invalid Route"});case 4:return n.prev=4,n.next=7,this.sdk.getRateByRoute({route:a,amount:o,userAddress:s,side:i,options:u,srcDecimals:c,destDecimals:p});case 7:return n.abrupt("return",n.sent);case 10:return n.prev=10,n.t0=n.catch(4),n.abrupt("return",e.handleAPIError(n.t0));case 13:case"end":return n.stop()}}),n,this,[[4,10]])})));return function(t,r,e,n,o,s,i){return a.apply(this,arguments)}}(),a.getRate=function(){var a=n(l.mark((function n(a,o,s,i,u,c,p,f){return l.wrap((function(n){for(;;)switch(n.prev=n.next){case 0:return void 0===u&&(u=t.SwapSide.SELL),void 0===c&&(c={}),r.assert(this.sdk.getRate,"sdk must be initialized with a fetcher"),n.prev=3,n.next=6,this.sdk.getRate({srcToken:a,destToken:o,amount:s,userAddress:i,side:u,options:c,srcDecimals:p,destDecimals:f});case 6:return n.abrupt("return",n.sent);case 9:return n.prev=9,n.t0=n.catch(3),n.abrupt("return",e.handleAPIError(n.t0));case 12:case"end":return n.stop()}}),n,this,[[3,9]])})));return function(t,r,e,n,o,s,i,u){return a.apply(this,arguments)}}(),a.buildTx=function(){var t=n(l.mark((function t(n,a,o,s,i,u,c,p,f,h,d,v,w,m,y){return l.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return void 0===d&&(d={}),r.assert(this.sdk.buildTx,"sdk must be initialized with a fetcher"),t.prev=2,t.next=5,this.sdk.buildTx({srcToken:n,destToken:a,srcAmount:o,destAmount:s,priceRoute:i,userAddress:u,partner:c,partnerAddress:p,partnerFeeBps:f,receiver:h,srcDecimals:v,destDecimals:w,permit:m,deadline:y},d);case 5:return t.abrupt("return",t.sent);case 8:return t.prev=8,t.t0=t.catch(2),t.abrupt("return",e.handleAPIError(t.t0));case 11:case"end":return t.stop()}}),t,this,[[2,8]])})));return function(r,e,n,a,o,s,i,u,c,p,f,h,l,d,v){return t.apply(this,arguments)}}(),a.getTokenTransferProxy=function(){var t=n(l.mark((function t(n){return l.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return r.assert(this.sdk.getSpender,"sdk must be initialized with a fetcher"),t.prev=1,t.next=4,this.sdk.getSpender();case 4:return t.abrupt("return",t.sent);case 7:return t.prev=7,t.t0=t.catch(1),t.abrupt("return",e.handleAPIError(t.t0));case 10:case"end":return t.stop()}}),t,this,[[1,7]])})));return function(r){return t.apply(this,arguments)}}(),a.getAllowances=function(){var t=n(l.mark((function t(n,a){return l.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return r.assert(this.sdk.getAllowances,"sdk must be initialized with a fetcher"),t.prev=1,t.next=4,this.sdk.getAllowances(n,a);case 4:return t.abrupt("return",t.sent);case 7:return t.prev=7,t.t0=t.catch(1),t.abrupt("return",e.handleAPIError(t.t0));case 10:case"end":return t.stop()}}),t,this,[[1,7]])})));return function(r,e){return t.apply(this,arguments)}}(),a.getAllowance=function(){var t=n(l.mark((function t(n,a){return l.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return r.assert(this.sdk.getAllowance,"sdk must be initialized with a fetcher"),t.prev=1,t.next=4,this.sdk.getAllowance(n,a);case 4:return t.abrupt("return",t.sent);case 7:return t.prev=7,t.t0=t.catch(1),t.abrupt("return",e.handleAPIError(t.t0));case 10:case"end":return t.stop()}}),t,this,[[1,7]])})));return function(r,e){return t.apply(this,arguments)}}(),a.approveTokenBulk=function(){var t=n(l.mark((function t(n,a,o,s){var i;return l.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return r.assert(this.sdk.approveTokenBulk,"sdk must be initialized with a provider"),t.prev=1,t.next=4,this.sdk.approveTokenBulk(n,o);case 4:return i=t.sent,t.next=7,Promise.all(i.map(e.extractHasFromTxResponse));case 7:return t.abrupt("return",t.sent);case 10:return t.prev=10,t.t0=t.catch(1),t.abrupt("return",e.handleAPIError(t.t0));case 13:case"end":return t.stop()}}),t,this,[[1,10]])})));return function(r,e,n,a){return t.apply(this,arguments)}}(),a.approveToken=function(){var t=n(l.mark((function t(n,a,o,s,i){var u;return l.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return r.assert(this.sdk.approveToken,"sdk must be initialized with a provider"),t.prev=1,t.next=4,this.sdk.approveToken(n,o);case 4:return u=t.sent,t.next=7,e.extractHasFromTxResponse(u);case 7:return t.abrupt("return",t.sent);case 10:return t.prev=10,t.t0=t.catch(1),t.abrupt("return",e.handleAPIError(t.t0));case 13:case"end":return t.stop()}}),t,this,[[1,10]])})));return function(r,e,n,a,o){return t.apply(this,arguments)}}(),a.getMarketNames=function(){var t=n(l.mark((function t(){return l.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return r.assert(this.sdk.getAdapters,"sdk must be initialized with a fetcher"),t.prev=1,t.next=4,this.sdk.getAdapters({type:"list",namesOnly:!0});case 4:return t.abrupt("return",t.sent);case 7:return t.prev=7,t.t0=t.catch(1),t.abrupt("return",e.handleAPIError(t.t0));case 10:case"end":return t.stop()}}),t,this,[[1,7]])})));return function(){return t.apply(this,arguments)}}(),a.getBalance=function(){var t=n(l.mark((function t(n,a){return l.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return r.assert(this.sdk.getBalance,"sdk must be initialized with a fetcher"),t.prev=1,t.next=4,this.sdk.getBalance(n,a);case 4:return t.abrupt("return",t.sent);case 7:return t.prev=7,t.t0=t.catch(1),t.abrupt("return",e.handleAPIError(t.t0));case 10:case"end":return t.stop()}}),t,this,[[1,7]])})));return function(r,e){return t.apply(this,arguments)}}(),a.getBalances=function(){var t=n(l.mark((function t(n){return l.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return r.assert(this.sdk.getBalances,"sdk must be initialized with a fetcher"),t.prev=1,t.next=4,this.sdk.getBalances(n);case 4:return t.abrupt("return",t.sent);case 7:return t.prev=7,t.t0=t.catch(1),t.abrupt("return",e.handleAPIError(t.t0));case 10:case"end":return t.stop()}}),t,this,[[1,7]])})));return function(r){return t.apply(this,arguments)}}(),e}();Object.defineProperty(exports,"ContractMethod",{enumerable:!0,get:function(){return t.ContractMethod}}),Object.defineProperty(exports,"SwapSide",{enumerable:!0,get:function(){return t.SwapSide}}),exports.API_URL=d,exports.ParaSwap=Z,exports.constructApproveToken=m,exports.constructAxiosFetcher=F,exports.constructBuildTx=G,exports.constructEthersContractCaller=X,exports.constructFetchFetcher=z,exports.constructFullSDK=Q,exports.constructGetAdapters=O,exports.constructGetBalances=x,exports.constructGetRate=B,exports.constructGetSpender=v,exports.constructGetTokens=U,exports.constructPartialSDK=Y,exports.constructSimpleSDK=function(t,r){var e="axios"in t?F(t.axios):z(t.fetch);if(!r)return Y({apiURL:t.apiURL,network:t.network,fetcher:e},x,U,v,G,O,B);var a=function(t){if("ethersProviderOrSigner"in t){var r=X(t,t.account),e=r.staticCall,a=r.transactCall,o=function(){var t=n(l.mark((function t(r){return l.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return t.next=2,a(r);case 2:return t.abrupt("return",t.sent.hash);case 4:case"end":return t.stop()}}),t)})));return function(r){return t.apply(this,arguments)}}();return{staticCall:e,transactCall:o}}var s=W(t.web3,t.account),i=s.staticCall,u=s.transactCall,c=function(){var t=n(l.mark((function t(r){var e;return l.wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return t.next=2,u(r);case 2:return e=t.sent,t.abrupt("return",new Promise((function(t,r){e.once("transactionHash",t),e.once("error",r)})));case 4:case"end":return t.stop()}}),t)})));return function(r){return t.apply(this,arguments)}}();return{staticCall:i,transactCall:c}}(r);return Q({apiURL:t.apiURL,network:t.network,fetcher:e,contractCaller:a})},exports.constructWeb3ContractCaller=W,exports.isAllowance=function(t){return"allowance"in t},exports.isFetcherError=L;
 //# sourceMappingURL=sdk.cjs.production.min.js.map

dist/types.d.ts

 import type { JsonFragment } from '@ethersproject/abi';
 import { OptimalRate } from 'paraswap-core';
-import { Address, Token, TxHash } from './token';
-export type { Address, Token, TxHash };
+import { Address, AddressOrSymbol, PriceString, Token, TxHash } from './helpers/token';
+export type { Address, AddressOrSymbol, PriceString, Token, TxHash };
 export interface ConstructBaseInput {
@@ -41,17 +41,19 @@ apiURL?: string;
     contractMethod: T;
-    static: boolean;
     args: any[];
 }
 interface ContractCallStaticInput<T extends string> extends ContractCallInput<T> {
-    static: true;
     overrides: StaticCallOverrides;
 }
 interface ContractCallTransactionInput<T extends string> extends ContractCallInput<T> {
-    static: false;
     overrides: TxSendOverrides;
 }
-export declare type ContractCallerFunction = <T, M extends string = string>(params: ContractCallTransactionInput<M> | ContractCallStaticInput<M>) => Promise<T>;
-export interface ConstructProviderFetchInput extends ConstructFetchInput {
-    contractCaller: ContractCallerFunction;
+export declare type StaticContractCallerFn = <T, M extends string = string>(params: ContractCallStaticInput<M>) => Promise<T>;
+export declare type TransactionContractCallerFn<T> = <M extends string = string>(params: ContractCallTransactionInput<M>) => Promise<T>;
+export interface ContractCallerFunctions<T> {
+    staticCall: StaticContractCallerFn;
+    transactCall: TransactionContractCallerFn<T>;
 }
+export interface ConstructProviderFetchInput<T, D extends keyof ContractCallerFunctions<T> = keyof ContractCallerFunctions<T>> extends ConstructFetchInput {
+    contractCaller: Pick<ContractCallerFunctions<T>, D>;
+}
 export declare type TokenFromApi = Pick<Token, 'address' | 'decimals' | 'symbol' | 'balance' | 'allowance'>;
@@ -58,0 +60,0 @@ export interface TokensApiResponse {

package.json

 {
   "name": "@paraswap/sdk",
-  "version": "5.6.0-alpha.3",
+  "version": "5.6.0-alpha.4",
   "main": "dist/index.js",
@@ -5,0 +5,0 @@ "module": "dist/sdk.esm.js",

README.md

@@ -26,3 +26,97 @@ <p align="center">
 
-### Import the necessary functions
+There are multiple ways to use ParaSwap SDK, ranging from a simple construct-and-use approach to a fully composable _bring what you need_ approach which allows for advanced tree-shaking and minimizes bundle size.
+
+### Simple SDK
+
+Can be created by providing `network` and either `axios` or `window.fetch` (or alternative `fetch` implementation). The resulting SDK will be able to use all methods that query the API.
+
+```ts
+  import { constructSimpleSDK } from '@paraswap/sdk';
+  import axios from 'axios';
+
+  // construct minimal SDK with fetcher only
+  const paraSwapMin = constructSimpleSDK({network: 1, axios});
+  // or
+  const paraSwapMin = constructSimpleSDK({network: 1, fetch: window.fetch});
+
+  const ETH = '0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee';
+  const DAI = '0x6B175474E89094C44Da98b954EedeAC495271d0F';
+
+  async function swapExample() {
+    const signer: JsonRpcSigner = ...
+    const senderAddress = signer.address;
+
+    const priceRoute = await paraSwapMin.getRate({
+      srcToken: ETH,
+      destToken: DAI,
+      amount: srcAmount,
+      userAddress: senderAddress,
+      side: SwapSide.SELL,
+    });
+
+    const txParams = await paraSwapMin.buildTx(
+      {
+        srcToken,
+        destToken,
+        srcAmount,
+        destAmount,
+        priceRoute,
+        userAddress: senderAddress,
+        partner: referrer,
+      },
+      { ignoreChecks: true }
+    );
+
+    const transaction = {
+      ...txParams,
+      gasPrice: '0x' + new BigNumber(txParams.gasPrice).toString(16),
+      gasLimit: '0x' + new BigNumber(5000000).toString(16),
+      value: '0x' + new BigNumber(txParams.value).toString(16),
+    };
+
+    const txr = await signer.sendTransaction(transaction);
+  }
+
+
+  async function approveTokenYourselfExample() {
+    const TransferProxy = await paraSwapMin.getSpender();
+
+    const DAI_CONTRACT = new ethers.Contract(DAI, ERC20_ABI, ethersSignerOrProvider);
+
+    const tx = await DAI_CONTRACT.approve(TransferProxy, amountInWei);
+
+    const txReceipt = await tx.wait(1);
+  }
+
+```
+
+If optional `providerOptions` is provided as the second parameter, then the resulting SDK will also be able to approve Tokens for swap.
+
+```ts
+  // 
+  // with ethers.js
+  const providerOptionsEther = {
+    ethersProviderOrSigner: provider, // JsonRpcProvider
+    EthersContract: ethers.Contract,
+    account: senderAddress,
+  };
+
+  // or with web3.js
+  const providerOptionsWeb3 = {
+    web3, // new Web3(...) instance
+    account: senderAddress,
+  };
+
+  const paraSwap = constructSimpleSDK({network: 1, axios}, providerOptionsEther);
+
+  async function approveTokenExample() {
+    const txHash = await paraSwap.approveToken(amountInWei, DAI);
+
+    // await tx somehow
+    await provider.waitForTransaction(txHash);
+  }
+```
+
+### Composed SDK
+Import the necessary functions
 ```typescript
@@ -34,8 +128,8 @@ import { constructSDK, constructAxiosFetcher, constructEthersContractCaller } from '@paraswap/sdk';
 ```typescript
-const signer = ethers.Wallet.fromMnmemonic('__your_mnemonic__') // or any other signer/provider 
-const account = '__signer_address__'
+const signer = ethers.Wallet.fromMnmemonic('__your_mnemonic__'); // or any other signer/provider 
+const account = '__signer_address__';
 
 const contractCaller = constructEthersContractCaller({
-  providerOrSigner: signer,
-  Contract: ethers.Contract,
+  ethersProviderOrSigner: signer,
+  EthersContract: ethers.Contract,
 }, account); // alternatively constructWeb3ContractCaller
@@ -54,3 +148,12 @@ const fetcher = constructAxiosFetcher(axios); // alternatively constructFetchFetcher
 ```typescript
-const txHash = await paraSwap.approveToken(amount, tokenAddress);
+// if created with constructEthersContractCaller
+const contractTx: ContractTransaction = await paraSwap.approveToken(amount, tokenAddress);
+const txReceipt = await contractTx.wait();
+
+// if created with constructWeb3ContractCaller
+const unpromiEvent: Web3UnpromiEvent = await paraSwap.approveToken(amount, tokenAddress);
+const txReceipt = await new Promise<Web3TransactionReceipt>((resolve, reject) => {
+  unpromiEvent.once('receipt', resolve);
+  unpromiEvent.once('error', reject);
+})
 ```
@@ -64,4 +167,4 @@
 const srcAmount = '1000000000000000000'; //The source amount multiplied by its decimals: 10 ** 18 here
-const srcDecimals = 18
-const destDecimals = 18
+const srcDecimals = 18;
+const destDecimals = 18;
 
@@ -85,11 +188,11 @@ const priceRoute = await paraSwap.getRate(
 const srcToken = '0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee';
-const srcDecimals = 18
+const srcDecimals = 18;
 const srcAmount = '1000000000000000000'; // The source amount multiplied by its decimals
 const destToken = '0xcAfE001067cDEF266AfB7Eb5A286dCFD277f3dE5';
-const destDecimals = 18
-const destAmount = priceRoute.destAmount // price route being output of paraSwap.getRate()
+const destDecimals = 18;
+const destAmount = priceRoute.destAmount; // price route being output of paraSwap.getRate()
 const senderAddress = '__sender_address__'; // mandatory
 const receiver = '__receiver_address__'; // optional: for swap and transfer
-const partnerAddress = '__fee_receiver_address__' // optional: for permission-less monetization
-const partnerFeeBps = 50 // optional: fee in base point, for permission-less monetization
+const partnerAddress = '__fee_receiver_address__'; // optional: for permission-less monetization
+const partnerFeeBps = 50; // optional: fee in base point, for permission-less monetization
 
@@ -128,3 +231,3 @@
 
-const fetcher = constructFetchFetcher(window.fetch)
+const fetcher = constructFetchFetcher(window.fetch);
 
@@ -134,5 +237,5 @@ const minParaSwap = constructPartialSDK({
   fetcher,
-}, constructGetRate, constructGetBalances)
+}, constructGetRate, constructGetBalances);
 
-const priceRoute = await minParaSwap.getRate(params)
+const priceRoute = await minParaSwap.getRate(params);
 const allowance = await minParaSwap.getAllowance(userAddress, tokenAddress);
@@ -145,8 +248,8 @@ ```
 ```typescript
-import { ParaSwap } from '@paraswap/sdk'
-import axios from 'axios'
-import Web3 from 'web3'
+import { ParaSwap } from '@paraswap/sdk';
+import axios from 'axios';
+import Web3 from 'web3';
 
-const web3Provider = new Web3(window.ethereum)
-const account = '__user_address__'
+const web3Provider = new Web3(window.ethereum);
+const account = '__user_address__';
 
@@ -160,3 +263,3 @@ const paraswap = new ParaSwap(
   axios
-)
+);
 
@@ -168,3 +271,3 @@ ```
 ```typescript
-import { ParaSwap } from '@paraswap/sdk'
+import { ParaSwap } from '@paraswap/sdk';
 
@@ -179,3 +282,3 @@ const paraswap = new ParaSwap(
   window.fetch
-)
+);
 
@@ -182,0 +285,0 @@ ```

src/examples/sdk.ts

 /* eslint-disable @typescript-eslint/no-unused-vars */
 import axios from 'axios';
 import { ethers } from 'ethers';
-import { constructPartialSDK, constructSDK } from '..';
-import { constructGetAdapters } from '../adapters';
 import {
+  constructPartialSDK,
+  constructFullSDK,
+  constructGetAdapters,
   constructEthersContractCaller,
   constructAxiosFetcher,
-} from '../helpers';
+} from '..';
 
@@ -15,7 +16,7 @@ const fetcher = constructAxiosFetcher(axios);
 const contractCaller = constructEthersContractCaller({
-  providerOrSigner: provider,
-  Contract: ethers.Contract,
+  ethersProviderOrSigner: provider,
+  EthersContract: ethers.Contract,
 });
 
-const paraswap = constructSDK({
+const paraswap = constructFullSDK({
   apiURL: '',
@@ -29,2 +30,7 @@ network: 1,
 
+// type Promise<ContractTransaction>
+const txResponse = paraswap.approveToken('1', '0x...');
+// type Promise<ContractTransaction[]>
+const txResponses = paraswap.approveTokenBulk('1', ['0x...']);
+
 const part1 = constructPartialSDK(
@@ -31,0 +37,0 @@ { apiURL: '', network: 1, fetcher },

src/examples/web3.ts

 /* eslint-disable @typescript-eslint/no-unused-vars */
 import axios from 'axios';
 import Web3 from 'web3';
-import { constructSDK } from '..';
-import { constructAxiosFetcher } from '../helpers';
-import { constructContractCaller } from '../helpers/web3';
+import {
+  constructFullSDK,
+  constructAxiosFetcher,
+  constructWeb3ContractCaller,
+} from '..';
 
 const fetcher = constructAxiosFetcher(axios);
 const web3 = new Web3(Web3.givenProvider);
-const contractCaller = constructContractCaller(web3);
+const contractCaller = constructWeb3ContractCaller(web3);
 
-const paraswap = constructSDK({
+const paraswap = constructFullSDK({
   network: 1,
@@ -19,3 +21,4 @@ fetcher,
 async function main() {
-  const txHash = await paraswap.approveToken(
+  // type Web3UnpromiEvent
+  const eventfulTxResponse = await paraswap.approveToken(
     '1000000000000000000',
@@ -25,5 +28,7 @@ '0xcafe001067cDEF266AfB7Eb5A286dCFD277f3dE5'
 
-  console.log('watch for tx', txHash);
+  eventfulTxResponse.once('transactionHash', (txHash) =>
+    console.log('watch for tx', txHash)
+  );
 }
 
 main();

src/helpers/index.ts

@@ -1,5 +0,11 @@
-export { constructFetcher as constructAxiosFetcher } from './axios';
-export { constructFetcher as constructFetchFetcher } from './fetch';
-export { constructContractCaller as constructEthersContractCaller } from './ethers';
-export { constructContractCaller as constructWeb3ContractCaller } from './web3';
+export { constructFetcher as constructAxiosFetcher } from './fetchers/axios';
+export { constructFetcher as constructFetchFetcher } from './fetchers/fetch';
+export {
+  constructContractCaller as constructEthersContractCaller,
+  EthersProviderDeps,
+} from './providers/ethers';
+export {
+  constructContractCaller as constructWeb3ContractCaller,
+  Web3UnpromiEvent,
+} from './providers/web3';
 export { isFetcherError } from './misc';

src/helpers/misc.ts

 import type {
-  Contract,
-  ContractFunction,
-  PopulatedTransaction,
-  BigNumber,
+  Contract as EthersContract,
+  ContractFunction as EthersContractFunction,
+  PopulatedTransaction as EthersPopulatedTransaction,
+  BigNumber as EthersBigNumber,
 } from 'ethers';
+import type {
+  ContractSendMethod as Web3ContractSendMethod,
+  Contract as Web3Contract,
+} from 'web3-eth-contract';
 import { assert } from 'ts-essentials';
@@ -11,27 +15,29 @@
 
-export type ContractWithMethod<T extends string> = Contract & {
-  readonly [method in T]: ContractFunction;
+export type EthersContractWithMethod<T extends string> = EthersContract & {
+  readonly [method in T]: EthersContractFunction;
 } & {
-  readonly functions: { [method in T]: ContractFunction };
+  readonly functions: { [method in T]: EthersContractFunction };
 
-  readonly callStatic: { [method in T]: ContractFunction };
-  readonly estimateGas: { [method in T]: ContractFunction<BigNumber> };
+  readonly callStatic: { [method in T]: EthersContractFunction };
+  readonly estimateGas: {
+    [method in T]: EthersContractFunction<EthersBigNumber>;
+  };
   readonly populateTransaction: {
-    [method in T]: ContractFunction<PopulatedTransaction>;
+    [method in T]: EthersContractFunction<EthersPopulatedTransaction>;
   };
 };
 
-export function contractHasMethods<T extends string>(
-  contract: Contract,
+export function ethersContractHasMethods<T extends string>(
+  contract: EthersContract,
   ...methods: T[]
-): contract is ContractWithMethod<T> {
+): contract is EthersContractWithMethod<T> {
   return methods.every((method) => typeof contract[method] === 'function');
 }
 
-export function assertContractHasMethods<T extends string>(
-  contract: Contract,
+export function assertEthersContractHasMethods<T extends string>(
+  contract: EthersContract,
   ...methods: T[]
-): asserts contract is ContractWithMethod<T> {
+): asserts contract is EthersContractWithMethod<T> {
   assert(
-    contractHasMethods(contract, ...methods),
+    ethersContractHasMethods(contract, ...methods),
     `Contract must have methods: ${methods.join(', ')}`
@@ -41,2 +47,25 @@ );
 
+export type Web3ContractWithMethod<T extends string> = Web3Contract & {
+  methods: { [method in T]: Web3ContractSendMethod };
+};
+
+export function web3ContractHasMethods<T extends string>(
+  contract: Web3Contract,
+  ...methods: T[]
+): contract is Web3ContractWithMethod<T> {
+  return methods.every(
+    (method) => typeof contract.methods[method] === 'function'
+  );
+}
+
+export function assertWeb3ContractHasMethods<T extends string>(
+  contract: Web3Contract,
+  ...methods: T[]
+): asserts contract is Web3ContractWithMethod<T> {
+  assert(
+    web3ContractHasMethods(contract, ...methods),
+    `Contract must have methods: ${methods.join(', ')}`
+  );
+}
+
 export const objectToFilledEntries = <T extends Record<string, unknown>>(
@@ -43,0 +72,0 @@ object: T

src/index.ts

@@ -1,15 +0,17 @@
-import { constructApproveToken, ApproveTokenFunctions } from './approve';
-import { constructGetBalances, GetBalancesFunctions } from './balance';
-import { constructGetSpender, GetSpenderFunctions } from './spender';
-import { constructGetAdapters, AdaptersFunctions } from './adapters';
-import { constructGetRate, GetRateFunctions } from './rates';
 import {
-  constructGetTokens,
-  constructToken,
-  GetTokensFunctions,
-  Token,
-  PriceString,
-} from './token';
-import { BuildTxFunctions, constructBuildTx } from './transaction';
+  constructApproveToken,
+  ApproveTokenFunctions,
+} from './methods/approve';
 import {
+  constructGetBalances,
+  GetBalancesFunctions,
+  isAllowance,
+  Allowance,
+} from './methods/balance';
+import { constructGetSpender, GetSpenderFunctions } from './methods/spender';
+import { constructGetAdapters, GetAdaptersFunctions } from './methods/adapters';
+import { constructGetRate, GetRateFunctions } from './methods/rates';
+import { constructGetTokens, GetTokensFunctions } from './methods/token';
+import { BuildTxFunctions, constructBuildTx } from './methods/transaction';
+import {
   constructEthersContractCaller,
@@ -20,12 +22,17 @@ constructWeb3ContractCaller,
   isFetcherError,
+  EthersProviderDeps,
 } from './helpers';
 import {
-  ConstructBaseInput,
   ConstructFetchInput,
   ConstructProviderFetchInput,
   Address,
+  AddressOrSymbol,
+  Token,
+  PriceString,
+  TxHash,
+  TxSendOverrides,
 } from './types';
-import { UnionToIntersection } from 'ts-essentials';
 
-export type { TransactionParams } from './transaction';
+export type { TransactionParams } from './methods/transaction';
+export type { Web3UnpromiEvent } from './helpers';
 export * from './constants';
@@ -46,11 +53,11 @@
   constructFetchFetcher,
-  constructToken,
   constructGetAdapters,
   constructGetRate,
   isFetcherError,
+  isAllowance,
 };
-// @TODO missing fro parity with older SDK:
-// getRate, getRateByRoute
 
 export type {
+  Allowance,
+  EthersProviderDeps,
   ApproveTokenFunctions,
@@ -60,62 +67,19 @@ GetBalancesFunctions,
   GetTokensFunctions,
+  GetAdaptersFunctions,
+  GetRateFunctions,
   BuildTxFunctions,
   ConstructFetchInput,
   ConstructProviderFetchInput,
-  AdaptersFunctions as ConstructAdaptersFunctions,
   Token,
   Address,
+  AddressOrSymbol,
   PriceString,
+  TxHash,
+  TxSendOverrides,
 };
 
-export type SDKConfig = ConstructProviderFetchInput & ConstructFetchInput;
+export { SDKConfig, constructPartialSDK } from './sdk/partial';
+export { AllSDKMethods, constructFullSDK } from './sdk/full';
+export { SDKFetchMethods, constructSimpleSDK } from './sdk/simple';
 
-export type AllSDKMethods = GetBalancesFunctions &
-  GetTokensFunctions &
-  GetSpenderFunctions &
-  ApproveTokenFunctions &
-  BuildTxFunctions &
-  AdaptersFunctions &
-  GetRateFunctions;
-
-type AnyFunction = (...args: any[]) => any;
-
-type SDKFunction<T extends ConstructBaseInput> = (
-  config: T
-) => Record<string, AnyFunction>;
-
-type IntersectionOfReturns<Funcs extends AnyFunction[]> = UnionToIntersection<
-  ReturnType<Funcs[number]>
->;
-
-export const constructPartialSDK = <
-  T extends ConstructBaseInput,
-  Funcs extends [SDKFunction<T>, ...SDKFunction<T>[]]
->(
-  config: T, // config is auto-inferred to cover the used functions
-  ...funcs: Funcs
-): IntersectionOfReturns<Funcs> => {
-  const sdkFuncs = funcs.reduce<Partial<IntersectionOfReturns<Funcs>>>(
-    (accum, func) => {
-      const sdkSlice = func(config);
-      return Object.assign(accum, sdkSlice);
-    },
-    {}
-  );
-
-  return sdkFuncs as IntersectionOfReturns<Funcs>;
-};
-
-export const constructSDK = (config: SDKConfig): AllSDKMethods =>
-  // include all available functions
-  constructPartialSDK(
-    config,
-    constructGetBalances,
-    constructGetTokens,
-    constructGetSpender,
-    constructApproveToken,
-    constructBuildTx,
-    constructGetAdapters,
-    constructGetRate
-  );
-
 export { ParaSwap } from './legacy';

src/legacy/index.ts

 import type { AxiosStatic } from 'axios';
 import type Web3 from 'web3';
 import type { SendOptions } from 'web3-eth-contract';
-import type { Contract as EthersContract } from '@ethersproject/contracts';
-import type { Signer } from '@ethersproject/abstract-signer';
-
-import type { BaseProvider } from '@ethersproject/providers';
-
+import type { ContractTransaction } from '@ethersproject/contracts';
 import type { Address, OptimalRate } from 'paraswap-core';
@@ -21,3 +17,3 @@
   constructGetRate,
-  constructSDK,
+  constructFullSDK,
   PriceString,
@@ -32,9 +28,10 @@ } from '..';
   isFetcherError,
+  Web3UnpromiEvent,
+  EthersProviderDeps,
 } from '../helpers';
 
-import type { RateOptions } from '../rates';
-import type { BuildOptions, TransactionParams } from '../transaction';
-import type { AddressOrSymbol, Token } from '../token';
-import type { Allowance } from '../balance';
-import type { FetcherFunction } from '../types';
+import type { RateOptions } from '../methods/rates';
+import type { BuildOptions, TransactionParams } from '../methods/transaction';
+import type { AddressOrSymbol, Token, FetcherFunction } from '../types';
+import type { Allowance } from '../methods/balance';
 
@@ -48,10 +45,7 @@ export type APIError = {
 
-interface EthersProviderDeps {
-  providerOrSigner: BaseProvider | Signer;
-  Contract: typeof EthersContract;
-}
+type TxResponse = Web3UnpromiEvent | ContractTransaction;
 
 /** @deprecated */
 export class ParaSwap {
-  sdk: Partial<AllSDKMethods> = {};
+  sdk: Partial<AllSDKMethods<TxResponse>> = {};
   fetcher: FetcherFunction;
@@ -98,7 +92,12 @@
     if (contractCaller) {
-      this.sdk = constructSDK({ fetcher, contractCaller, apiURL, network });
+      this.sdk = constructFullSDK<TxResponse>({
+        fetcher,
+        contractCaller,
+        apiURL,
+        network,
+      });
     }
   }
 
-  private handleAPIError(e: unknown): APIError {
+  private static handleAPIError(e: unknown): APIError {
     // @CONSIDER if some errors should not be replaced
@@ -118,11 +117,15 @@ if (!isFetcherError(e)) {
 
-  // private checkDexList(dexs?: string): void {
-  //   if (dexs) {
-  //     const targetDEXs = dexs.split(',');
+  private static async extractHasFromTxResponse(
+    txResponse: TxResponse
+  ): Promise<string> {
+    if ('once' in txResponse) {
+      return new Promise<string>((resolve, reject) => {
+        txResponse.once('transactionHash', resolve);
+        txResponse.once('error', reject);
+      });
+    }
 
-  //     if (!targetDEXs.length) {
-  //       throw new Error('Invalid DEX list');
-  //     }
-  //   }
-  // }
+    const { hash } = await txResponse;
+    return hash;
+  }
 
@@ -133,3 +136,3 @@ setWeb3Provider(web3Provider: Web3, account?: string): this {
 
-    this.sdk = constructSDK({
+    this.sdk = constructFullSDK({
       fetcher,
@@ -152,3 +155,3 @@ contractCaller,
 
-    this.sdk = constructSDK({
+    this.sdk = constructFullSDK({
       fetcher,
@@ -173,3 +176,3 @@ contractCaller,
     } catch (e) {
-      return this.handleAPIError(e);
+      return ParaSwap.handleAPIError(e);
     }
@@ -183,3 +186,3 @@ }
     } catch (e) {
-      return this.handleAPIError(e);
+      return ParaSwap.handleAPIError(e);
     }
@@ -215,3 +218,3 @@ }
       // including Error('Invalid DEX list')
-      return this.handleAPIError(e);
+      return ParaSwap.handleAPIError(e);
     }
@@ -243,3 +246,3 @@ }
     } catch (e) {
-      return this.handleAPIError(e);
+      return ParaSwap.handleAPIError(e);
     }
@@ -287,3 +290,3 @@ }
     } catch (e) {
-      return this.handleAPIError(e);
+      return ParaSwap.handleAPIError(e);
     }
@@ -297,3 +300,3 @@ }
     } catch (e) {
-      return this.handleAPIError(e);
+      return ParaSwap.handleAPIError(e);
     }
@@ -310,3 +313,3 @@ }
     } catch (e) {
-      return this.handleAPIError(e);
+      return ParaSwap.handleAPIError(e);
     }
@@ -323,3 +326,3 @@ }
     } catch (e) {
-      return this.handleAPIError(e);
+      return ParaSwap.handleAPIError(e);
     }
@@ -342,5 +345,12 @@ }
       // @TODO allow to pass Web3 specific sendOptions ({from: userAddress})
-      return await this.sdk.approveTokenBulk(amount, tokenAddresses);
+      const txResponses = await this.sdk.approveTokenBulk(
+        amount,
+        tokenAddresses
+      );
+
+      return await Promise.all(
+        txResponses.map(ParaSwap.extractHasFromTxResponse)
+      );
     } catch (e) {
-      return this.handleAPIError(e);
+      return ParaSwap.handleAPIError(e);
     }
@@ -361,5 +371,7 @@ }
       // @TODO allow to pass Web3 specific sendOptions ({from: userAddress})
-      return await this.sdk.approveToken(amount, tokenAddress);
+      const txResponse = await this.sdk.approveToken(amount, tokenAddress);
+
+      return await ParaSwap.extractHasFromTxResponse(txResponse);
     } catch (e) {
-      return this.handleAPIError(e);
+      return ParaSwap.handleAPIError(e);
     }
@@ -373,3 +385,3 @@ }
     } catch (e) {
-      return this.handleAPIError(e);
+      return ParaSwap.handleAPIError(e);
     }
@@ -386,3 +398,3 @@ }
     } catch (e) {
-      return this.handleAPIError(e);
+      return ParaSwap.handleAPIError(e);
     }
@@ -396,5 +408,5 @@ }
     } catch (e) {
-      return this.handleAPIError(e);
+      return ParaSwap.handleAPIError(e);
     }
   }
 }

src/types.ts

 import type { JsonFragment } from '@ethersproject/abi';
 import { OptimalRate } from 'paraswap-core';
-import { Address, Token, TxHash } from './token';
+import {
+  Address,
+  AddressOrSymbol,
+  PriceString,
+  Token,
+  TxHash,
+} from './helpers/token';
 
-export type { Address, Token, TxHash };
+export type { Address, AddressOrSymbol, PriceString, Token, TxHash };
 
@@ -51,3 +57,2 @@ export interface ConstructBaseInput {
   contractMethod: T;
-  static: boolean;
   args: any[];
@@ -58,3 +63,2 @@ }
   extends ContractCallInput<T> {
-  static: true;
   overrides: StaticCallOverrides;
@@ -65,14 +69,25 @@ }
   extends ContractCallInput<T> {
-  static: false;
   overrides: TxSendOverrides;
 }
 
-export type ContractCallerFunction = <T, M extends string = string>(
-  params: ContractCallTransactionInput<M> | ContractCallStaticInput<M>
+// may have to type result T differently if we ever use staticCalls in SDK
+export type StaticContractCallerFn = <T, M extends string = string>(
+  params: ContractCallStaticInput<M>
 ) => Promise<T>;
+export type TransactionContractCallerFn<T> = <M extends string = string>(
+  params: ContractCallTransactionInput<M>
+) => Promise<T>;
 
-export interface ConstructProviderFetchInput extends ConstructFetchInput {
-  contractCaller: ContractCallerFunction;
+export interface ContractCallerFunctions<T> {
+  staticCall: StaticContractCallerFn;
+  transactCall: TransactionContractCallerFn<T>;
 }
 
+export interface ConstructProviderFetchInput<
+  T,
+  D extends keyof ContractCallerFunctions<T> = keyof ContractCallerFunctions<T>
+> extends ConstructFetchInput {
+  contractCaller: Pick<ContractCallerFunctions<T>, D>;
+}
+
 export type TokenFromApi = Pick<
@@ -79,0 +94,0 @@ Token,

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Found 1 instance in 1 package

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Improved metrics

Total package byte prevSize

789312

increased by11.04%

Number of package files

88

increased by25.71%

Lines of code

7336

increased by11.54%

Number of lines in readme file

277

increased by59.2%

No dependency changes