https://rpc.presschain.io

export const network = {
  chainId: 77117002,
  chainIdHex: "0x498B64A",
  rpcUrl: "https://rpc.presschain.io",
};

export async function verifyRpc() {
  const response = await fetch(network.rpcUrl, {
    method: "POST",
    headers: { "content-type": "application/json" },
    body: JSON.stringify({
      jsonrpc: "2.0",
      id: 1,
      method: "eth_chainId",
      params: [],
    }),
  });

  const body = await response.json();
  if (body.error) throw new Error(body.error.message);
  if (String(body.result).toLowerCase() !== network.chainIdHex.toLowerCase()) {
    throw new Error(`Unexpected chain: ${body.result}`);
  }

  return true;
}

export function getPressKey() {
  const provider = window.presschain;
  if (!provider?.isPressKey) {
    throw new Error("PressKey is required for PressChain authorization");
  }
  return provider;
}

export async function rpc(method: string, params: unknown[] = []) {
  const res = await fetch("https://rpc.presschain.io", {
    method: "POST",
    headers: { "content-type": "application/json" },
    body: JSON.stringify({ jsonrpc: "2.0", id: Date.now(), method, params }),
  });

  if (!res.ok) throw new Error(`RPC request failed: ${res.status}`);
  const json = await res.json();
  if (json.error) throw new Error(json.error.message || "RPC error");
  return json.result;
}

export type PressChainEnvironment = {
  name: string;
  protocolMajor: "v3";
  chainId: number;
  rpcUrl: string;
  contracts: Record<string, `0x${string}`>;
};