PRO - 1694 - OnRamper Integration (#17)

* added onRamper

* updated version

CHANGELOG.md

@@ -1,4 +1,8 @@
 # Changelog
+## [1.1.2] - 2023-07-31
+### New
+- Added onRamper to get the url
+
 ## [1.1.1] - 2023-07-27
 ### New
 - Added skandha_getGasPrice from the bundler if the bundler url is skandha bundler url

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@etherspot/prime-sdk",
-  "version": "1.1.1",
+  "version": "1.1.2",
   "description": "Etherspot Prime (Account Abstraction) SDK",
   "keywords": [
     "ether",
@@ -46,6 +46,7 @@
     "class-validator": "0.14.0",
     "commander": "^10.0.1",
     "ethers": "5.7.0",
+    "openurl": "1.1.1",
     "prettier": "^2.8.8",
     "reflect-metadata": "0.1.13"
   },

src/sdk/common/constants.ts

@@ -9,3 +9,5 @@ export enum HeaderNames {
 }
 
 export const bufferPercent:number = 13; // Buffer in percent
+
+export const onRampApiKey = 'pk_prod_01H66WYDRFM95JBTJ4VMGY1FAX';

src/sdk/dto/index.ts

@@ -1,3 +1,4 @@
 export * from './sign-message.dto';
 export * from './utils';
-export * from './create-session.dto';
+export * from './create-session.dto';
+export * from './onRamper.dto';

src/sdk/dto/onRamper.dto.ts

@@ -0,0 +1,48 @@
+import { IsOptional, IsPositive, IsInt, IsString, IsBoolean } from 'class-validator';
+
+export class OnRamperDto {
+  @IsOptional()
+  @IsString()
+  defaultCrypto?: string;
+
+  @IsOptional()
+  @IsString()
+  excludeCryptos?: string;
+
+  @IsOptional()
+  @IsString()
+  onlyCryptos?: string;
+
+  @IsOptional()
+  @IsString()
+  excludeCryptoNetworks?: string;
+
+  @IsOptional()
+  @IsString()
+  onlyCryptoNetworks?: string;
+
+  @IsOptional()
+  @IsPositive()
+  @IsInt()
+  defaultAmount?: number;
+
+  @IsOptional()
+  @IsString()
+  defaultFiat?: string;
+
+  @IsOptional()
+  @IsBoolean()
+  isAmountEditable?: Boolean;
+
+  @IsOptional()
+  @IsString()
+  onlyFiats?: string;
+
+  @IsOptional()
+  @IsString()
+  excludeFiats?: string;
+
+  @IsOptional()
+  @IsString()
+  themeName?: string;
+}

src/sdk/network/constants.ts

@@ -46,6 +46,8 @@ export const NETWORK_NAME_TO_CHAIN_ID: {
   [NetworkNames.Mantle]: 5000,
 };
 
+export const onRamperAllNetworks = ['OPTIMISM', 'POLYGON', 'ARBITRUM', 'FUSE', 'GNOSIS', 'ETHEREUM']
+
 export const Networks: {
   [key: string]: NetworkConfig
 } = {

src/sdk/sdk.ts

@@ -1,15 +1,16 @@
 import { BehaviorSubject } from 'rxjs';
+import * as open from 'openurl';
 import { State, StateService } from './state';
 import { isWalletProvider, WalletProviderLike } from './wallet';
 import { SdkOptions } from './interfaces';
 import { Network } from "./network";
-import { BatchUserOpsRequest, Exception, getGasFee, UserOpsRequest } from "./common";
+import { BatchUserOpsRequest, Exception, getGasFee, onRampApiKey, UserOpsRequest } from "./common";
 import { BigNumber, ethers, providers } from 'ethers';
-import { getNetworkConfig, Networks } from './network/constants';
+import { getNetworkConfig, Networks, onRamperAllNetworks } from './network/constants';
 import { UserOperationStruct } from './contracts/src/aa-4337/core/BaseAccount';
 import { EtherspotWalletAPI, HttpRpcClient } from './base';
 import { TransactionDetailsForUserOp, TransactionGasInfoForUserOp } from './base/TransactionDetailsForUserOp';
-import { CreateSessionDto, SignMessageDto, validateDto } from './dto';
+import { CreateSessionDto, OnRamperDto, SignMessageDto, validateDto } from './dto';
 import { Session } from '.';
 import { ERC20__factory } from './contracts';
 
@@ -219,4 +220,30 @@ export class PrimeSdk {
     return callGasLimit.add(verificationGasLimit).add(preVerificationGas);
   }
 
+  async getFiatOnRamp(params: OnRamperDto = {}) {
+    if (!params.onlyCryptoNetworks) params.onlyCryptoNetworks = onRamperAllNetworks.join(',');
+    else {
+      const networks = params.onlyCryptoNetworks.split(',');
+      for (const network in networks) {
+        if (!onRamperAllNetworks.includes(network)) throw new Error('Included Networks which are not supported. Please Check');
+      }
+    }
+
+    const url = `https://buy.onramper.com/?networkWallets=ETHEREUM:${await this.getCounterFactualAddress()}` +
+      `&apiKey=${onRampApiKey}` +
+      `&onlyCryptoNetworks=${params.onlyCryptoNetworks}` +
+      `${params.defaultCrypto ? `&defaultCrypto=${params.defaultCrypto}` : ``}` +
+      `${params.excludeCryptos ? `&excludeCryptos=${params.excludeCryptos}` : ``}` +
+      `${params.onlyCryptos ? `&onlyCryptos=${params.onlyCryptos}` : ``}` +
+      `${params.excludeCryptoNetworks ? `&excludeCryptoNetworks=${params.excludeCryptoNetworks}` : ``}` +
+      `${params.defaultAmount ? `&defaultCrypto=${params.defaultAmount}` : ``}` +
+      `${params.defaultFiat ? `&defaultFiat=${params.defaultFiat}` : ``}` +
+      `${params.isAmountEditable ? `&isAmountEditable=${params.isAmountEditable}` : ``}` +
+      `${params.onlyFiats ? `&onlyFiats=${params.onlyFiats}` : ``}` +
+      `${params.excludeFiats ? `&excludeFiats=${params.excludeFiats}` : ``}` +
+      `&themeName=${params.themeName ?? 'dark'}`;
+    open.open(url)
+    return url;
+  }
+
 }