Cloud Deployment

# Ethereum Node on AWS
provider "aws" {
  region = "us-east-1"
}

# VPC and Security Group
resource "aws_security_group" "ethereum_node" {
  name        = "ethereum-node"
  description = "Security group for Ethereum node"

  ingress {
    description = "P2P TCP"
    from_port   = 30303
    to_port     = 30303
    protocol    = "tcp"
    cidr_blocks = ["0.0.0.0/0"]
  }

  ingress {
    description = "P2P UDP"
    from_port   = 30303
    to_port     = 30303
    protocol    = "udp"
    cidr_blocks = ["0.0.0.0/0"]
  }

  ingress {
    description = "RPC (restrict in production)"
    from_port   = 8545
    to_port     = 8545
    protocol    = "tcp"
    cidr_blocks = ["10.0.0.0/8"]  # Internal only
  }

  egress {
    from_port   = 0
    to_port     = 0
    protocol    = "-1"
    cidr_blocks = ["0.0.0.0/0"]
  }
}

# EC2 Instance
resource "aws_instance" "ethereum_node" {
  ami           = "ami-0c55b159cbfafe1f0"  # Ubuntu 22.04
  instance_type = "r6i.2xlarge"

  root_block_device {
    volume_size = 50
    volume_type = "gp3"
  }

  security_groups = [aws_security_group.ethereum_node.name]

  tags = {
    Name = "ethereum-node"
  }
}

# EBS Volume for Blockchain Data
resource "aws_ebs_volume" "blockchain_data" {
  availability_zone = aws_instance.ethereum_node.availability_zone
  size              = 2000  # 2 TB
  type              = "gp3"
  iops              = 16000
  throughput        = 500

  tags = {
    Name = "ethereum-data"
  }
}

resource "aws_volume_attachment" "blockchain_data" {
  device_name = "/dev/xvdf"
  volume_id   = aws_ebs_volume.blockchain_data.id
  instance_id = aws_instance.ethereum_node.id
}