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Minter Hub 2.1

Build & Install

  1. Install dependencies
apt-get update && \
  apt-get install -y git build-essential wget curl libssl-dev pkg-config
  1. Install Golang
wget https://golang.org/dl/go1.17.3.linux-amd64.tar.gz && \
  rm -rf /usr/local/go && \
  tar -C /usr/local -xzf go1.17.3.linux-amd64.tar.gz
echo 'export PATH=$PATH:/usr/local/go/bin:~/go/bin' >> ~/.profile
  1. Install Rust
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
source ~/.profile
  1. Clone Minter Hub repository
cd ~ && git clone https://github.com/MinterTeam/mhub2.git
  1. Compile & install
# Minter Hub node
cd ~/mhub2/module
make install

# Hub ↔ Minter oracle
cd ~/mhub2/minter-connector
make install

# Prices oracle
cd ~/mhub2/oracle
make install

# Keys generator
cd ~/mhub2/keys-generator
make install

# Hub ↔ Ethereum oracle
cd ~/mhub2/orchestrator
cargo install --locked --path orchestrator

Run

  1. Install and sync Minter Node
minter node
  1. Install and sync Ethereum & BSC node
geth --http --http.addr "127.0.0.1" --http.port "8545"
  1. Sync Minter Hub Node
# Download genesis
mkdir -p ~/.mhub2/config/
curl ... > ~/.mhub2/config/genesis.json

# Start and sync Minter Hub node
mhub2 start \
  --p2p.persistent_peers="..."

for testnet:

# Download genesis
mkdir -p ~/.mhub/config/
curl https://raw.githubusercontent.com/MinterTeam/mhub2/master/testnet/genesis.json > ~/.mhub2/config/genesis.json

# Start and sync Minter Hub node
mhub2 start \
  --p2p.persistent_peers="[email protected]:26656"
  1. Generate Hub account
mhub2 keys add validator1
  • WARNING: save generated key
  • Request some test HUB to your generated address
  1. Create Hub validator
mhub2 tendermint show-validator # show validator's public key
mhub2 tx staking create-validator \
  --from=validator1 \
  --amount=1000000000000000000hub \
  --pubkey=<VALIDATOR PUBLIC KEY>  \
  --commission-max-change-rate="0.1" \
  --commission-max-rate="1" \
  --commission-rate="0.1" \
  --min-self-delegation="1" \
  --chain-id=mhub-mainnet-2 (mhub-testnet-11 for testnet)
  • WARNING: save tendermint validator's key
  • An important point: the validator is turned off if it does not commit data for a long time. You can turn in on again by sending an unjail transaction. Docs: mhub2 tx slashing unjail --help
  1. Generate Minter & Ethereum keys
mhub-keys-generator
  • WARNING: save generated keys
  • Request some test ETH to your generated address
  1. Register Ethereum keys
mhub2 query account <YOUR_ACCOUNT> # get account nonce

mhub-keys-generator make_delegate_sign <YOUR_ETH_PRIVATE_KEY> <YOUR_ACCOUNT> <YOUR_NONCE>

mhub2 tx mhub2 set-delegate-keys <VALADDR> <YOUR_ACCOUNT> <ETH_ADDR> <SIG> --from=...
  1. Start services. You can set them up as services or run in different terminal screens.
  • Start Hub ↔ Ethereum oracle.
Ethereum Contract for mainnet: 0x897c27Fa372AA730D4C75B1243E7EA38879194E2
BSC Contract for mainnet: 0xF5b0ed82a0b3e11567081694cC66c3df133f7C8F

Ethereum Contract for testnet: 0x06AC113939C66c3D0e68a09F64849A6EcC6099f1
BSC Contract for testnet: 0x0c8ed00B0A80c4d436E9FCb67986bC3b1ee470d5

orchestrator \
  --ethereum-key=<ETHEREUM PRIVATE KEY> \
  --cosmos-grpc="http://127.0.0.1:9090" \
  --ethereum-rpc="http://127.0.0.1:8545/" \
  --chain-id=ethereum \
  --contract-address=<ADDRESS OF ETHEREUM CONTRACT> 
orchestrator \
  --ethereum-key=<ETHEREUM PRIVATE KEY> \
  --cosmos-grpc="http://127.0.0.1:9090" \
  --ethereum-rpc="http://127.0.0.1:8545/" \
  --chain-id=bsc \
  --contract-address=<ADDRESS OF BSC CONTRACT>
  • Start Hub ↔ Minter oracle.
Minter Multisig for testnet: Mx8938134f2d7e1218a1756e76b0da2868b0ad20a1
Start Minter Block for testnet: 6830657

Minter Multisig for mainnet: Mx68f4839d7f32831b9234f9575f3b95e1afe21a56
Start Minter Block for mainnet: 7696500

# connector-config.toml

[minter]
# testnet|mainnet
chain = "mainnet"
multisig_addr = <ADDRESS OF MINTER MULTISIG>
private_key = <MINTER PRIVATE KEY>
api_addr = "http://127.0.0.1:8843/v2/"
start_block = <MINTER START BLOCK>
start_event_nonce = 1
start_batch_nonce = 1
start_valset_nonce = 0

[cosmos]
mnemonic = ""
grpc_addr = "127.0.0.1:9090"
rpc_addr = "http://127.0.0.1:26657"

mhub-minter-connector --config=connector-config.toml
  • Start price oracle
# oracle-config.toml
holders_url = "https://explorer-hub-api.minter.network/api/tokens/1902/holders"
prices_url = "https://explorer-hub-api.minter.network/api/prices"

[cosmos]
grpc_addr = "127.0.0.1:9090"
rpc_addr = "http://127.0.0.1:26657"
mhub-oracle --config=oracle-config.toml (--testnet)