byreal-table/src/app/api/tick-to-price/route.ts

import { NextRequest, NextResponse } from 'next/server'
import { TickMath } from '@/lib/byreal-clmm-sdk/src/instructions/utils/tickMath'

export async function GET(request: NextRequest) {
	try {
		const searchParams = request.nextUrl.searchParams
		const tickParam = searchParams.get('tick')
		const decimalsAParam = searchParams.get('decimalsA')
		const decimalsBParam = searchParams.get('decimalsB')
		const baseInParam = searchParams.get('baseIn')

		if (
			tickParam === null ||
			decimalsAParam === null ||
			decimalsBParam === null
		) {
			return NextResponse.json(
				{ error: 'Missing required parameters: tick, decimalsA, decimalsB' },
				{ status: 400 }
			)
		}

		const tick = parseInt(tickParam, 10)
		const decimalsA = parseInt(decimalsAParam, 10)
		const decimalsB = parseInt(decimalsBParam, 10)
		const baseIn = baseInParam === 'false' ? false : true

		if (isNaN(tick) || isNaN(decimalsA) || isNaN(decimalsB)) {
			return NextResponse.json(
				{
					error:
						'Invalid parameter types. tick, decimalsA, and decimalsB must be numbers.',
				},
				{ status: 400 }
			)
		}

		const price = TickMath.getPriceFromTick({
			tick,
			decimalsA,
			decimalsB,
			baseIn,
		})

		return NextResponse.json({
			price: price.toString(),
		})
	} catch (error) {
		console.error('Tick to Price API Error:', error)
		return NextResponse.json(
			{ error: 'Internal Server Error' },
			{ status: 500 }
		)
	}
}