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BaskarayeluBaskarayelu
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Merge pull request #216 from shaaibu7/feat/savings-goals
Feat/savings goals
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‎.env.local.example‎

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# Stellar Network Configuration
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NEXT_PUBLIC_STELLAR_NETWORK=testnet
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NEXT_PUBLIC_STELLAR_RPC_URL=https://soroban-testnet.stellar.org
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# Soroban Contract Addresses
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NEXT_PUBLIC_SAVINGS_GOALS_CONTRACT_ID=your_contract_id_here

‎app/api/goals/[id]/add/route.ts‎

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// POST /api/goals/[id]/add - Add funds to a savings goal
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import { NextRequest, NextResponse } from 'next/server';
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import { buildAddToGoalTx } from '@/lib/contracts/savings-goals';
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import { getSessionFromRequest, getPublicKeyFromSession } from '@/lib/auth/session';
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import {
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createValidationError,
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createAuthenticationError,
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handleUnexpectedError
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} from '@/lib/errors/api-errors';
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import {
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validateAmount,
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validateGoalId
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} from '@/lib/validation/savings-goals';
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import { ApiSuccessResponse } from '@/lib/types/savings-goals';
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export async function POST(
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request: NextRequest,
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{ params }: { params: { id: string } }
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) {
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try {
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// Authenticate user
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const session = getSessionFromRequest(request);
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if (!session) {
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return createAuthenticationError('Authentication required', 'Please provide a valid session');
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}
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let publicKey: string;
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try {
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publicKey = getPublicKeyFromSession(session);
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} catch (error) {
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return createAuthenticationError('Invalid session', 'Session does not contain a valid public key');
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}
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// Validate goal ID from URL params
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const goalId = params.id;
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const goalIdValidation = validateGoalId(goalId);
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if (!goalIdValidation.isValid) {
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return createValidationError('Invalid goal ID', goalIdValidation.error);
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}
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// Parse request body
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let body;
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try {
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body = await request.json();
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} catch (error) {
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return createValidationError('Invalid request body', 'Request body must be valid JSON');
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}
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const { amount } = body;
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// Validate amount
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if (amount === undefined || amount === null) {
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return createValidationError('Missing required field', 'Amount is required');
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}
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const amountValidation = validateAmount(amount);
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if (!amountValidation.isValid) {
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return createValidationError('Invalid amount', amountValidation.error);
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}
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// Build transaction
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const result = await buildAddToGoalTx(publicKey, goalId, amount);
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// Return success response
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const response: ApiSuccessResponse = {
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xdr: result.xdr
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};
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return NextResponse.json(response, { status: 200 });
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} catch (error) {
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return handleUnexpectedError(error);
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}
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}

‎app/api/goals/[id]/lock/route.ts‎

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// POST /api/goals/[id]/lock - Lock a savings goal
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import { NextRequest, NextResponse } from 'next/server';
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import { buildLockGoalTx } from '@/lib/contracts/savings-goals';
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import { getSessionFromRequest, getPublicKeyFromSession } from '@/lib/auth/session';
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import {
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createValidationError,
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createAuthenticationError,
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handleUnexpectedError
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} from '@/lib/errors/api-errors';
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import { validateGoalId } from '@/lib/validation/savings-goals';
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import { ApiSuccessResponse } from '@/lib/types/savings-goals';
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export async function POST(
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request: NextRequest,
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{ params }: { params: { id: string } }
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) {
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try {
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// Authenticate user
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const session = getSessionFromRequest(request);
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if (!session) {
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return createAuthenticationError('Authentication required', 'Please provide a valid session');
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}
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let publicKey: string;
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try {
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publicKey = getPublicKeyFromSession(session);
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} catch (error) {
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return createAuthenticationError('Invalid session', 'Session does not contain a valid public key');
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}
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// Validate goal ID from URL params
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const goalId = params.id;
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const goalIdValidation = validateGoalId(goalId);
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if (!goalIdValidation.isValid) {
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return createValidationError('Invalid goal ID', goalIdValidation.error);
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}
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// Build transaction
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const result = await buildLockGoalTx(publicKey, goalId);
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// Return success response
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const response: ApiSuccessResponse = {
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xdr: result.xdr
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};
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return NextResponse.json(response, { status: 200 });
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} catch (error) {
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return handleUnexpectedError(error);
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}
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}

‎app/api/goals/[id]/unlock/route.ts‎

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// POST /api/goals/[id]/unlock - Unlock a savings goal
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import { NextRequest, NextResponse } from 'next/server';
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import { buildUnlockGoalTx } from '@/lib/contracts/savings-goals';
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import { getSessionFromRequest, getPublicKeyFromSession } from '@/lib/auth/session';
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import {
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createValidationError,
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createAuthenticationError,
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handleUnexpectedError
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} from '@/lib/errors/api-errors';
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import { validateGoalId } from '@/lib/validation/savings-goals';
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import { ApiSuccessResponse } from '@/lib/types/savings-goals';
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export async function POST(
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request: NextRequest,
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{ params }: { params: { id: string } }
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) {
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try {
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// Authenticate user
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const session = getSessionFromRequest(request);
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if (!session) {
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return createAuthenticationError('Authentication required', 'Please provide a valid session');
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}
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let publicKey: string;
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try {
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publicKey = getPublicKeyFromSession(session);
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} catch (error) {
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return createAuthenticationError('Invalid session', 'Session does not contain a valid public key');
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}
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// Validate goal ID from URL params
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const goalId = params.id;
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const goalIdValidation = validateGoalId(goalId);
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if (!goalIdValidation.isValid) {
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return createValidationError('Invalid goal ID', goalIdValidation.error);
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}
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// Build transaction
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const result = await buildUnlockGoalTx(publicKey, goalId);
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// Return success response
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const response: ApiSuccessResponse = {
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xdr: result.xdr
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};
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return NextResponse.json(response, { status: 200 });
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} catch (error) {
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return handleUnexpectedError(error);
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}
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}

‎app/api/goals/[id]/withdraw/route.ts‎

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// POST /api/goals/[id]/withdraw - Withdraw funds from a savings goal
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import { NextRequest, NextResponse } from 'next/server';
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import { buildWithdrawFromGoalTx } from '@/lib/contracts/savings-goals';
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import { getSessionFromRequest, getPublicKeyFromSession } from '@/lib/auth/session';
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import {
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createValidationError,
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createAuthenticationError,
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handleUnexpectedError
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} from '@/lib/errors/api-errors';
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import {
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validateAmount,
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validateGoalId
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} from '@/lib/validation/savings-goals';
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import { ApiSuccessResponse } from '@/lib/types/savings-goals';
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export async function POST(
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request: NextRequest,
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{ params }: { params: { id: string } }
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) {
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try {
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// Authenticate user
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const session = getSessionFromRequest(request);
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if (!session) {
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return createAuthenticationError('Authentication required', 'Please provide a valid session');
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}
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let publicKey: string;
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try {
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publicKey = getPublicKeyFromSession(session);
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} catch (error) {
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return createAuthenticationError('Invalid session', 'Session does not contain a valid public key');
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}
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// Validate goal ID from URL params
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const goalId = params.id;
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const goalIdValidation = validateGoalId(goalId);
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if (!goalIdValidation.isValid) {
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return createValidationError('Invalid goal ID', goalIdValidation.error);
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}
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// Parse request body
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let body;
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try {
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body = await request.json();
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} catch (error) {
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return createValidationError('Invalid request body', 'Request body must be valid JSON');
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}
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const { amount } = body;
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// Validate amount
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if (amount === undefined || amount === null) {
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return createValidationError('Missing required field', 'Amount is required');
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}
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const amountValidation = validateAmount(amount);
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if (!amountValidation.isValid) {
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return createValidationError('Invalid amount', amountValidation.error);
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}
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// Build transaction
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const result = await buildWithdrawFromGoalTx(publicKey, goalId, amount);
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// Return success response
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const response: ApiSuccessResponse = {
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xdr: result.xdr
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};
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return NextResponse.json(response, { status: 200 });
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} catch (error) {
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return handleUnexpectedError(error);
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}
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}

‎app/api/goals/route.ts‎

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// POST /api/goals - Create a new savings goal
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import { NextRequest, NextResponse } from 'next/server';
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import { buildCreateGoalTx } from '@/lib/contracts/savings-goals';
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import { getSessionFromRequest, getPublicKeyFromSession } from '@/lib/auth/session';
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import {
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createValidationError,
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createAuthenticationError,
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handleUnexpectedError
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} from '@/lib/errors/api-errors';
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import {
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validateAmount,
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validateFutureDate,
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validateGoalName
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} from '@/lib/validation/savings-goals';
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import { ApiSuccessResponse } from '@/lib/types/savings-goals';
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export async function POST(request: NextRequest) {
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try {
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// Authenticate user
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const session = getSessionFromRequest(request);
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if (!session) {
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return createAuthenticationError('Authentication required', 'Please provide a valid session');
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}
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let publicKey: string;
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try {
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publicKey = getPublicKeyFromSession(session);
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} catch (error) {
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return createAuthenticationError('Invalid session', 'Session does not contain a valid public key');
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}
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// Parse request body
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let body;
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try {
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body = await request.json();
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} catch (error) {
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return createValidationError('Invalid request body', 'Request body must be valid JSON');
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}
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const { name, targetAmount, targetDate } = body;
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// Validate name
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if (!name) {
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return createValidationError('Missing required field', 'Goal name is required');
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}
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const nameValidation = validateGoalName(name);
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if (!nameValidation.isValid) {
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return createValidationError('Invalid goal name', nameValidation.error);
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}
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// Validate target amount
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if (targetAmount === undefined || targetAmount === null) {
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return createValidationError('Missing required field', 'Target amount is required');
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}
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const amountValidation = validateAmount(targetAmount);
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if (!amountValidation.isValid) {
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return createValidationError('Invalid target amount', amountValidation.error);
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}
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// Validate target date
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if (!targetDate) {
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return createValidationError('Missing required field', 'Target date is required');
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}
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const dateValidation = validateFutureDate(targetDate);
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if (!dateValidation.isValid) {
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return createValidationError('Invalid target date', dateValidation.error);
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}
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// Build transaction
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const result = await buildCreateGoalTx(publicKey, name, targetAmount, targetDate);
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// Return success response
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const response: ApiSuccessResponse = {
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xdr: result.xdr
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};
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return NextResponse.json(response, { status: 200 });
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} catch (error) {
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return handleUnexpectedError(error);
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}
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}

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