text: const mongoose = require('mongoose');
  
  const ethTransferLogSchema = new mongoose.Schema({
      from_address: { type: String, required: true},
      to_address: { type: String, required: true},
      volume: { type: Number, required: true },
      block_number: { type: Number, required: true },
      tx_receipt: { type: String, required: true},
      tx_timestamp: { type: Date, required: true }
  }, 
  { timestamps: { 
      createdAt: 'created_at', 
      updatedAt: "updated_at" } 
  });
  
  const EthTransferLog = mongoose.model('EthTransferLog', ethTransferLogSchema);
  module.exports = EthTransferLog;