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MNET (Metaverse.Network) by BitCountry team

An Ethereum-compatible Blockchain Network Built using Substrate

Substrate version Twitter URL Medium

Development Note: It is still a WIP.

1. Introduction

MNET (Metaverse.Network), featuring a seamlessly integrated enriched social layer, stands as an interesting blockchain ecosystem that extends support for both EVM (Ethereum Virtual Machine) and WASM (WebAssembly) smart contracts. This framework empowers developers to harness the network's capabilities in crafting decentralized applications (dApps) with unparalleled versatility and functionality.

2. Build

Install Rust and Wasm build environment:

make init

Build Wasm and native code:

make build

3. Run

Start a Dev Metaverse Network Chain

Start a dev Metaverse Chain

make run-dev

Detailed logs may be shown by running the node with the following environment variables set: RUST_LOG=debug RUST_BACKTRACE=1 cargo run -- --dev.

This will spin up a Development Metaverse Chain with Alice and Bob as initial authorities.

If you would like to run multi-node manually then you can use the Multi-Node Dev Testnet setup

Multi-Node Metaverse Network Chain

If you want to see the multi-node consensus algorithm in action locally, then you can create a local testnet with two validator nodes for Alice and Bob, who are the initial authorities of the genesis chain that have been endowed with testnet units.

Optionally, give each node a name and expose them so they are listed on the Polkadot telemetry site.

You'll need two terminal windows open.

We'll start Alice's substrate node first on default TCP port 30333 with her chain database stored locally at /tmp/alice. The bootnode ID of her node is QmRpheLN4JWdAnY7HGJfWFNbfkQCb6tFf4vvA6hgjMZKrR, which is generated from the --node-key value that we specify below:

cargo run -- \
  --base-path /tmp/alice \
  --chain=local \
  --alice \
  --node-key 0000000000000000000000000000000000000000000000000000000000000001 \
  --telemetry-url 'wss://telemetry.polkadot.io/submit/ 0' \
  --validator

In the second terminal, we'll start Bob's substrate node on a different TCP port of 30334, and with his chain database stored locally at /tmp/bob. We'll specify a value for the --bootnodes option that will connect his node to Alice's bootnode ID on TCP port 30333:

cargo run -- \
  --base-path /tmp/bob \
  --bootnodes /ip4/127.0.0.1/tcp/30333/p2p/QmRpheLN4JWdAnY7HGJfWFNbfkQCb6tFf4vvA6hgjMZKrR \
  --chain=local \
  --bob \
  --port 30334 \
  --telemetry-url 'wss://telemetry.polkadot.io/submit/ 0' \
  --validator