ergo-6.0.3

Ergo Testnet Node 6.0.3

Ergo testnet node JAR with EIP-0050 soft-fork support (treeVersion 3, UnsignedBigInt opcodes).

Details

Property	Value
File	ergo-6.0.3.jar
Size	74.7 MB
Built	March 5, 2026
SHA-256	2ECCF5106693BCA22FBC12E6E873BF47A82B007F189ABEE503E83CEFFE78E68C
Network	Testnet
Node name	ergo-testnet-6.0.3
App version	6.0.2-17-SNAPSHOT

Features

• ✅ EIP-0050 soft-fork activated
• ✅ treeVersion: 3 ErgoTree compilation
• ✅ UnsignedBigInt opcodes
• ✅ ErgoTree header byte 0x1b (version 4 + constant segregation + size flag)

Quick Start

1. Download ergo-6.0.3.jar from the Releases page
2. Create a testnet.conf:

ergo {
  networkType = "testnet"
  directory = ${user.dir}"/.ergo/testnet/data"
  node {
    mining = false
  }
}
scorex {
  restApi {
    # Replace with your own Blake2b256 hash (this is hash of "hello")
    apiKeyHash = "324dcf027dd4a30a932c441f365a25e86b173defa4b8e58948253471b81b72cf"
    bindAddress = "0.0.0.0:9052"
  }
  network {
    bindAddress = "0.0.0.0:9022"
    magicBytes = [2, 3, 2, 3]
    knownPeers = [
      "213.239.193.208:9023",
      "176.9.15.237:9021",
      "128.253.41.110:9020"
    ]
  }
}

3. Run:

java -Xmx4G -jar ergo-6.0.3.jar --testnet -c testnet.conf

The node API will be available at http://localhost:9052.

Verify Integrity

# Linux/macOS
sha256sum ergo-6.0.3.jar
# Windows PowerShell
Get-FileHash ergo-6.0.3.jar -Algorithm SHA256

Expected: 2ECCF5106693BCA22FBC12E6E873BF47A82B007F189ABEE503E83CEFFE78E68C