add binary

README.md

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+# run the cli
+```
+cd bls-eth-go-binary && go run examples/*.go
+```
+
+# CLI Tool Documentation
+
+The `sscli` command-line tool is a collection of utilities for analyzing and correcting validator attestations in the Ethereum 2.0 Beacon Chain. Here is the list of available commands:
+
+## Usage
+
+To use `sscli`, you can either build the tool from source code or download a prebuilt binary. 
+
+If you choose to download the prebuilt binary, simply add it to your system's `PATH` environment variable, and you can run `sscli` from anywhere in the terminal. You can find the prebuilt binary on GitHub [here](https://github.com/<user>/<repository>/releases).
+
+## Available Commands
+
+- `allFalse`: Fetch from Google Drive and verify all atts for all blocks, output failed verification to verificationResult/
+- `args`: Print command-line arguments
+- `bf`: Brute-force search pubkey for each 1-val case
+- `check`: Check for all interested attestations in double / surround vote detected from beaconcha.in
+- `completion`: Generate the autocompletion script for the specified shell
+- `csc`: Get computed committee schedule given randaomix etc.
+- `dv`: Search in-file duplicated vote from Google Drive after correction
+- `fetch`: Fetch epoch for interested block under epochs/
+- `fi`: Get first index of shuffled committee given randaomix etc.
+- `help`: Help about any command
+- `ndv`: Search duplicated vote without validator index correction, this is for detecting all potentially slashable case directly from beaconcha.in
+- `recover`: Correct the wrong validator index for attestation that has false signature verification
+- `search`: Brute-force search for correct signer for single validator case
+- `show`: Print correction map to the console
+- `shuffle`: Shuffle duplicate votes
+- `sr`: Compute and print signing root for a specific attestation
+- `ss`: Use unvoted validators as a restrained space for faster search pubkey for correcting signing validator sets
+- `unvote`: Find all unvoted validators in an epoch defined by input block
+- `vc`: Verify all correction made from computed committee schedule by checking the signature
+- `vdv`: Search all verifiable in-file double vote after correction from Google Drive, expect all output should be slashed otherwise staking-slashing model has trouble
+- `verify`: Verify attestations that identified by validatorIdx and block number, print result to console
+- `verifyAll`: Verify all attestations in a specified block, if the block attestation data doesn't exist in local, automatically fetch to test/
+- `verifyDrive`: Fetch from Google Drive and verify all atts for all blocks, output failed verification to verificationResult/
+
+## Flags
+
+- `-h`, `--help`: Show help message for `sscli`
+
+
+

test/index.js

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+// Setup: npm install @alch/alchemy-sdk
+const { Network, Alchemy } = require("alchemy-sdk");
+
+// Optional Config object, but defaults to demo api-key and eth-mainnet.
+const settings = {
+  apiKey: "TnL0dWFXfJBaSpWI0-j9jSZdeiBO0Qn5", // Replace with your Alchemy API Key.
+  network: Network.ETH_MAINNET, // Replace with your network.
+};
+
+const alchemy = new Alchemy(settings);
+
+async function main() {
+    alchemy.core.
+  const latestBlock = await alchemy.core.getBlockNumber();
+  console.log("The latest block number is", latestBlock);
+}
+
+main();