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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| // app/api/mint/route.ts | ||
| import { NextResponse } from "next/server"; | ||
| import { createWalletClient, fallback, http, verifyMessage } from "viem"; | ||
| import { privateKeyToAccount } from "viem/accounts"; | ||
| import deployedContracts from "~~/contracts/deployedContracts"; | ||
| import scaffoldConfig from "~~/scaffold.config"; | ||
| import { getAlchemyHttpUrl, getParsedError } from "~~/utils/scaffold-eth"; | ||
|
|
||
| const wallet_private_key = (process.env.WALLET_PRIVATE_KEY || | ||
| "0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80") as `0x${string}`; | ||
|
|
||
| const { targetNetworks } = scaffoldConfig; | ||
|
|
||
| const mainNetwork = targetNetworks[0]; | ||
| const alchemyHttpUrl = getAlchemyHttpUrl(mainNetwork.id); | ||
| const rpcFallbacks = alchemyHttpUrl ? [http(alchemyHttpUrl), http()] : [http()]; | ||
|
|
||
| const walletClient = createWalletClient({ | ||
| chain: mainNetwork, | ||
| transport: fallback(rpcFallbacks), | ||
| account: privateKeyToAccount(wallet_private_key), | ||
| }); | ||
|
|
||
| type ProofData = { | ||
| pi_a: string[]; | ||
| pi_b: string[][]; // Array of arrays for pi_b | ||
| pi_c: string[]; | ||
| pubSignals: string[]; | ||
| }; | ||
|
|
||
| type FrogStats = { | ||
| beauty: string; | ||
| biome: string; | ||
| intelligence: string; | ||
| jump: string; | ||
| speed: string; | ||
| rarity: string; | ||
| owner: string; | ||
| name: string; | ||
| description: string; | ||
| }; | ||
|
|
||
| type MintRequestBody = { | ||
| proof: ProofData; | ||
| frogStats: FrogStats; | ||
| signature: string; | ||
| address: string; | ||
| }; | ||
|
|
||
| // Utility function to convert string arrays to BigInt arrays | ||
| const convertToBigIntArray = (arr: string[]): bigint[] => { | ||
| return arr.map(str => BigInt(str)); | ||
| }; | ||
|
|
||
| // Utility function to convert nested string arrays to nested BigInt arrays | ||
| const convertToBigIntNestedArray = (arr: string[][]): bigint[][] => { | ||
| return arr.map(subArr => subArr.map(str => BigInt(str))); | ||
| }; | ||
|
|
||
| // Utility function to convert frog stats to BigInt | ||
| const convertFrogStatsToBigInt = (stats: Omit<FrogStats, "description">) => { | ||
| return { | ||
| beauty: BigInt(stats.beauty), | ||
| biome: BigInt(stats.biome), | ||
| intelligence: BigInt(stats.intelligence), | ||
| jump: BigInt(stats.jump), | ||
| speed: BigInt(stats.speed), | ||
| rarity: BigInt(stats.rarity), | ||
| owner: BigInt(stats.owner), | ||
| name: stats.name, // Keep as string | ||
| }; | ||
| }; | ||
|
|
||
| // Utility function to convert proof data to BigInt | ||
| const convertProofToBigInt = (proof: ProofData) => { | ||
| return { | ||
| pi_a: convertToBigIntArray(proof.pi_a), | ||
| pi_b: convertToBigIntNestedArray(proof.pi_b), // Using nested array conversion for pi_b | ||
| pi_c: convertToBigIntArray(proof.pi_c), | ||
| pubSignals: convertToBigIntArray(proof.pubSignals), | ||
| }; | ||
| }; | ||
|
|
||
| export async function POST(req: Request) { | ||
| try { | ||
| const body: MintRequestBody = await req.json(); | ||
|
|
||
| // Convert string values to BigInt | ||
| const convertedProof = convertProofToBigInt(body.proof); | ||
| const { description, ...actualStats } = body.frogStats; | ||
| const convertedFrogStats = convertFrogStatsToBigInt(actualStats); | ||
|
|
||
| // Verify signature | ||
| const isValidSignature = await verifyMessage({ | ||
| message: `I own ${body.frogStats.name}`, | ||
| signature: body.signature as `0x${string}`, | ||
| address: body.address as `0x${string}`, | ||
| }); | ||
|
|
||
| if (!isValidSignature) { | ||
| return NextResponse.json({ error: "Invalid signature" }, { status: 400 }); | ||
| } | ||
|
|
||
| console.log("The description values are: ", description); | ||
|
|
||
| const { address: contractAddress, abi: contractAbi } = deployedContracts[mainNetwork.id].YourContract; | ||
| const hash = await walletClient.writeContract({ | ||
| address: contractAddress, | ||
| abi: contractAbi, | ||
| functionName: "mintFrog", | ||
| args: [ | ||
| { | ||
| _pA: convertedProof.pi_a as any, | ||
| _pB: convertedProof.pi_b as any, | ||
| _pC: convertedProof.pi_c as any, | ||
| _pubSignals: convertedProof.pubSignals as any, | ||
| }, | ||
| { | ||
| beauty: convertedFrogStats.beauty, | ||
| biome: convertedFrogStats.biome, | ||
| intelligence: convertedFrogStats.intelligence, | ||
| jump: convertedFrogStats.jump, | ||
| speed: convertedFrogStats.speed, | ||
| rarity: convertedFrogStats.rarity, | ||
| owner: convertedFrogStats.owner, | ||
| }, | ||
| ], | ||
| }); | ||
|
|
||
| return NextResponse.json( | ||
| { | ||
| success: true, | ||
| message: "NFT minted successfully", | ||
| txHash: hash, | ||
| }, | ||
| { status: 200 }, | ||
| ); | ||
| } catch (error) { | ||
| const parsedErrorMessage = getParsedError(error); | ||
| console.error(error); | ||
| return NextResponse.json({ error: parsedErrorMessage }, { status: 500 }); | ||
| } | ||
| } |
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