Draft: Start of Paytr integration

packages/payment-processor/src/payment/paytr.ts

@@ -0,0 +1,43 @@
+// import { constants, ContractTransaction, Signer, BigNumberish, providers, BigNumber, ethers } from 'ethers';
+
+// import { ClientTypes, ExtensionTypes } from '@requestnetwork/types';
+// import { getPaymentNetworkExtension } from '@requestnetwork/payment-detection';
+// import { EvmChains } from '@requestnetwork/currency';
+
+// import { ITransactionOverrides } from './transaction-overrides';
+// import {
+//   getAmountToPay,
+//   getProvider,
+//   getRequestPaymentValues,
+//   getSigner,
+//   validateErc20FeeProxyRequest,
+//   validateRequest,
+// } from './utils';
+// import { IPreparedTransaction } from './prepared-transaction';
+
+// //Paytr custom import
+// import { abi as ABI_0_1_0 } from './../../../smart-contracts/src/lib/artifacts/Paytr/0.1.0.json';
+
+// export function encodePayErc20FeeRequest(
+//   request: ClientTypes.IRequestData,
+//   amount?: BigNumberish,
+//   feeAmountOverride?: BigNumberish,
+// ): string {
+//   validateErc20FeeProxyRequest(request, amount, feeAmountOverride);
+
+//   const tokenAddress = request.currencyInfo.value;
+//   const { paymentReference, paymentAddress, feeAddress, feeAmount } =
+//     getRequestPaymentValues(request);
+//   const amountToPay = getAmountToPay(request, amount);
+//   const feeToPay = BigNumber.from(feeAmountOverride || feeAmount || 0);
+//   const paytrInterface = new ethers.utils.Interface(ABI_0_1_0);
+
+//   return paytrInterface.encodeFunctionData('payOutERC20Invoice', [
+//     tokenAddress,
+//     paymentAddress,
+//     amountToPay,
+//     `0x${paymentReference}`,
+//     feeToPay,
+//     feeAddress || constants.AddressZero,
+//   ]);
+// }