HyperEVM 公共 RPC 限流与 eth_getLogs 区块范围

curl -sS "https://api.blockvectra.com/v1/hyperevm_mainnet/public" \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"eth_blockNumber","params":[]}'

export BLOCKVECTRA_API_KEY='replace-with-your-key'
export LOG_ADDRESS='replace-with-contract-address'
node hyperevm-task.ts

const apiKey = process.env.BLOCKVECTRA_API_KEY;
const address = process.env.LOG_ADDRESS;
if (!apiKey || apiKey === "replace-with-your-key") throw new Error("Set BLOCKVECTRA_API_KEY");
if (!address || !/^0x[0-9a-f]{40}$/i.test(address)) throw new Error("Set LOG_ADDRESS to a contract address");

const fromBlock = process.env.FROM_BLOCK;
const toBlock = process.env.TO_BLOCK;
if ((fromBlock !== undefined || toBlock !== undefined) && (!fromBlock || !toBlock)) {
  throw new Error("Set both FROM_BLOCK and TO_BLOCK");
}

const chainsUrl = "https://api.blockvectra.com/v1/chains";
const rpcUrl = new URL("./hyperevm_mainnet", chainsUrl).href;
async function readJson(url: string) {
  const response = await fetch(url, { signal: AbortSignal.timeout(15_000) });
  if (!response.ok) throw new Error(`Metadata HTTP ${response.status}`);
  return response.json();
}
const catalog = await readJson(chainsUrl);
const chain = catalog.chains.find((item: { chain: string }) => item.chain === "hyperevm_mainnet");
if (!chain || !Number.isSafeInteger(chain.max_logs_block_range) || chain.max_logs_block_range <= 0) {
  throw new Error("Missing or invalid max_logs_block_range");
}
if (!chain.methods.allow.includes("eth_getLogs") || chain.methods.deny.includes("eth_getLogs")) {
  throw new Error("eth_getLogs is unavailable on this chain");
}
const maxRange = BigInt(chain.max_logs_block_range);
const plans = await readJson("https://console-api.blockvectra.com/v1/plans");
function weight(method: string): bigint {
  const row = plans.method_weights.find((item: { method: string }) => item.method === method);
  if (!row || !Number.isSafeInteger(row.cu_weight) || row.cu_weight <= 0) {
    throw new Error(`Missing or invalid CU weight for ${method}`);
  }
  return BigInt(row.cu_weight);
}
const headWeight = weight("eth_blockNumber");
const logsWeight = weight("eth_getLogs");

type RpcBody = {
  result?: unknown;
  error?: { code: number; data?: { retryable?: boolean } };
};
async function rpc(method: string, params: unknown[]): Promise<unknown> {
  for (let attempt = 0; attempt < 4; attempt++) {
    const response = await fetch(rpcUrl, {
      method: "POST",
      redirect: "error",
      headers: { "Content-Type": "application/json", "x-api-key": apiKey! },
      body: JSON.stringify({ jsonrpc: "2.0", id: 1, method, params }),
      signal: AbortSignal.timeout(15_000),
    });
    const body = await response.json() as RpcBody;
    if (response.ok && !body.error && body.result !== undefined) return body.result;
    if (body.error?.data?.retryable !== true || attempt === 3) {
      throw new Error(`RPC failed: HTTP ${response.status}, code ${body.error?.code ?? "unknown"}`);
    }
    const retryAfter = response.headers.get("Retry-After");
    const delay = retryAfter === null ? 0 : /^\d+$/.test(retryAfter)
      ? Number(retryAfter) * 1000 : Date.parse(retryAfter) - Date.now();
    if (delay > 30_000) throw new Error("Retry-After exceeds 30 seconds; rerun later");
    const backoff = 1000 * 2 ** attempt + Math.random() * 250;
    await new Promise((resolve) => setTimeout(resolve, Math.max(backoff, Number.isFinite(delay) ? delay : 0)));
  }
  throw new Error("Retry limit reached");
}
function block(value: string): bigint {
  if (!/^(0x[0-9a-f]+|[0-9]+)$/i.test(value)) throw new Error("Invalid block number");
  return BigInt(value);
}
const head = await rpc("eth_blockNumber", []);
if (typeof head !== "string" || !/^0x[0-9a-f]+$/i.test(head)) throw new Error("Invalid chain head");
const latest = block(head);
const end = toBlock ? block(toBlock) : latest;
const start = fromBlock ? block(fromBlock)
  : end >= maxRange - 1n ? end - maxRange + 1n : 0n;
if (start > end || end > latest) throw new Error("Require 0 <= FROM_BLOCK <= TO_BLOCK <= latest");
const chunks = (end - start + maxRange) / maxRange;
console.error(`Window ${start}..${end}; chunks=${chunks}; estimated CU=${headWeight + chunks * logsWeight}`);

const hex = (value: bigint) => `0x${value.toString(16)}`;
for (let from = start; from <= end; from += maxRange) {
  const to = from + maxRange - 1n < end ? from + maxRange - 1n : end;
  const result = await rpc("eth_getLogs", [{ address, fromBlock: hex(from), toBlock: hex(to) }]);
  if (!Array.isArray(result)) throw new Error("Expected eth_getLogs result array");
  console.log(JSON.stringify({ fromBlock: hex(from), toBlock: hex(to), result }));
}

const chainSlug = process.env.BLOCKVECTRA_CHAIN ?? 'hyperevm_mainnet';
const key = process.env.BLOCKVECTRA_API_KEY;
const catalogUrl = 'https://api.blockvectra.com/v1/chains';
const response = await fetch(catalogUrl, { signal: AbortSignal.timeout(15_000) });
if (!response.ok) throw new Error(`Chains HTTP ${response.status}`);
const catalog = await response.json();
export const chainInfo = catalog.chains.find(item => item.chain === chainSlug);
if (!chainInfo || !Number.isSafeInteger(chainInfo.chain_id) || chainInfo.chain_id <= 0) {
  throw new Error('Missing chain or chain_id');
}
export function allows(method) {
  const matches = pattern => pattern.endsWith('*')
    ? method.startsWith(pattern.slice(0, -1)) : pattern === method;
  if (!key) return (chainInfo.public?.methods ?? []).some(matches);
  return (chainInfo.methods?.allow ?? []).some(matches)
    && !(chainInfo.methods?.deny ?? []).some(matches);
}
if (!allows('eth_chainId')) throw new Error('eth_chainId is unavailable');
export const rpcUrl = key
  ? new URL(`./${chainSlug}/${encodeURIComponent(key)}`, catalogUrl).href
  : chainInfo.public?.url;
if (!rpcUrl) throw new Error('Public RPC is unavailable; set BLOCKVECTRA_API_KEY');

import { createPublicClient, defineChain, http } from 'viem';
import { chainInfo, rpcUrl } from './network.mjs';

export const chain = defineChain({
  id: chainInfo.chain_id,
  name: chainInfo.name,
  nativeCurrency: { name: 'HYPE', symbol: 'HYPE', decimals: 18 },
  rpcUrls: { default: { http: [rpcUrl] } },
});
export const client = createPublicClient({ chain, transport: http(rpcUrl) });
if (await client.getChainId() !== chain.id) throw new Error('RPC chain ID mismatch');
console.error(await client.getBlockNumber());

import { JsonRpcProvider } from 'ethers';
import { chainInfo, rpcUrl } from './network.mjs';

const provider = new JsonRpcProvider(rpcUrl, chainInfo.chain_id, { batchMaxCount: 1 });
const network = await provider.getNetwork();
if (network.chainId !== BigInt(chainInfo.chain_id)) throw new Error('RPC chain ID mismatch');
console.log(await provider.getBlockNumber());
provider.destroy();

: "${DEPLOY_RPC_URL:?Set a broadcasting RPC URL}"
export RPC_URL="$DEPLOY_RPC_URL"
export CHAIN_ID="$(node --input-type=module -e "import { chainInfo } from './network.mjs'; console.log(chainInfo.chain_id)")"

{
  "jsonrpc": "2.0",
  "id": null,
  "error": {
    "code": -32024,
    "message": "missing API key: send it in the request path (/v1/{chain}/<api_key>) or in the x-api-key header",
    "data": {
      "reason": "missing_api_key",
      "docs_url": "https://docs.blockvectra.com/en/errors/#missing_api_key",
      "retryable": false
    }
  }
}

cast send "$CONTRACT_ADDRESS" "ping()" --rpc-url "$DEPLOY_RPC_URL" \
  --private-key "$DEPLOYER_PRIVATE_KEY"

import { isAddress } from 'viem';
import { client } from './viem-client.mjs';
import { chainInfo, allows } from './network.mjs';

const address = process.env.LOG_ADDRESS;
const start = process.env.FROM_BLOCK;
if (!address || !isAddress(address)) throw new Error('Set LOG_ADDRESS');
if (!/^(0x[0-9a-f]+|[0-9]+)$/i.test(start ?? '')) throw new Error('Set FROM_BLOCK');
if (!allows('eth_getLogs')) throw new Error('eth_getLogs requires an available keyed endpoint');
if (!Number.isSafeInteger(chainInfo.max_logs_block_range) || chainInfo.max_logs_block_range <= 0) {
  throw new Error('Invalid max_logs_block_range');
}
const max = BigInt(chainInfo.max_logs_block_range);
let from = BigInt(start);
for (let poll = 0; poll < 12; poll++) {
  const head = await client.getBlockNumber();
  while (from <= head) {
    const to = from + max - 1n < head ? from + max - 1n : head;
    const logs = await client.getLogs({ address, fromBlock: from, toBlock: to });
    console.log(JSON.stringify({ from: from.toString(), to: to.toString(), logs },
      (_, value) => typeof value === 'bigint' ? value.toString() : value));
    from = to + 1n;
  }
  if (poll < 11) await new Promise(resolve => setTimeout(resolve, 5_000));
}