djma

This is example code to generate a zk-proof that you know the ecdsa private key to either
1) an ecdsa public key part of a merkle set
2) an ethereum address part of a merkle set

Public inputs:
- Merkle root
- Message hash

Private inputs:
- Merkle path

djma

with erc20_value as (
    select 
      wallet_address,
      sum(cast(amount_raw as double) / pow(10, p.decimals)) as balance, 
      sum(cast(amount_raw as double) / pow(10, p.decimals) * p.price) as value_usd, 
      token_address, 
      p.symbol
    from transfers_ethereum.erc20 t
    -- left join tokens.erc20 tok on t.token_address = tok.contract_address
    left join prices.usd_latest p on t.token_address = p.contract_address

djma

import java.math.BigInteger;
import java.security.SignatureException;

import org.web3j.crypto.ECKeyPair;
import org.web3j.crypto.Keys;
import org.web3j.crypto.Sign;
import org.web3j.utils.Numeric;

/**
 * This runnable demo summarizes my understanding of this gist after spending a