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tusdt-cli

Command-line interface for the TUSDT stablecoin system — a set of ink! smart contracts deployed on the Bittensor (subtensor) network. TUSDT lets users lock native TAO tokens as collateral in vaults to mint a USD-pegged stablecoin. This CLI gives you full control over:

  • Vaults — create, deposit collateral, borrow TUSDT, repay, and release collateral
  • Token — check balances, transfer TUSDT, and manage spending approvals
  • Auctions — browse and bid on liquidation auctions for under-collateralised vaults
  • Oracle — inspect the on-chain price feed that determines collateral ratios
  • Governance — manage maintainer, council, proposals, voting, and cross-contract admin
  • Treasury — manage fund balances, distribute revenue, and release funds

No web UI required — everything runs from your terminal.

Installation

pip install tusdt-cli

Local Development Installation

git clone https://github.com/TensorUSD/tusdt-cli
cd tusdt-cli
python3 -m venv .venv
source .venv/bin/activate
pip install -r requirements.txt
pip install -e .

Or using uv:

git clone https://github.com/TensorUSD/tusdt-cli
cd tusdt-cli
uv sync --all-extras --dev

After syncing, verify everything works:

just check              # lint + typecheck + test
just test               # run the test suite (90 tests)
just cov                # run tests with coverage report

A justfile is available for common dev tasks — just check runs the full CI gate (lint + typecheck + test). See the Development section below.

Quickstart

The CLI comes pre-configured with the Finney RPC endpoint, contract addresses, and bundled ABI metadata. No upfront configuration is required — pass --wallet-name on any command that needs signing.

# Check CLI version
tusdt --version

# Get help for any command
tusdt --help
tusdt vault --help
tusdt vault create --help

1. List wallets

tusdt wallet list

2. Vault operations

Anywhere an address is expected you can pass a wallet name via --wallet-name and the CLI resolves the SS58 address from coldkeypub.txt automatically or use --owner and supply ss58 address

# Create a vault with 10 TAO as collateral (prompts for coldkey password)
tusdt vault create --amount 10 --wallet-name MyWallet

# View vault #0 (no password needed – reads coldkeypub.txt)
#                ↓vault ID
tusdt vault info 0 --wallet-name MyWallet
tusdt vault info 0 --owner 5GrwvaEF...

# List all vaults for a wallet
tusdt vault list --wallet-name MyWallet
tusdt vault list --owner 5GrwvaEF...

# Add 5 TAO collateral to vault #0
#                          ↓vault ID
tusdt vault add-collateral 0 --amount 5 --wallet-name MyWallet

# Borrow 100 TUSDT from vault #0
#                  ↓vaultID ↓TUSDT amount
tusdt vault borrow 0        100 --wallet-name MyWallet

# Repay 50 TUSDT to vault #0
#                 ↓vault ID ↓TUSDT amount
tusdt vault repay 0         50 --wallet-name MyWallet

# Release 2 TAO collateral from vault #0
#                              ↓vaultID ↓TAO amount
tusdt vault release-collateral 0        2 --wallet-name MyWallet

# Check max borrow capacity for vault #0
#                      ↓vault ID
tusdt vault max-borrow 0 --wallet-name MyWallet

# Check collateral value for vault #0
#                            ↓vault ID
tusdt vault collateral-value 0 --wallet-name MyWallet

3. Token operations

# Check balance (wallet name or SS58 address)
tusdt token balance --wallet-name MyWallet
tusdt token balance --owner 5GrwvaEF...

# Transfer 100 TUSDT to another wallet
#                    ↓recipient (wallet name or SS58)  ↓TUSDT amount
tusdt token transfer RecipientWallet                  100 --wallet-name MyWallet

# Approve a spender to use up to 1000 of your TUSDT
#                   ↓spender(wallet name or SS58) ↓TUSDT amount
tusdt token approve SpenderWallet                 1000 --wallet-name MyWallet

# Check allowance (spender wallet name or SS58 address)
#                     ↓spender
tusdt token allowance SpenderWallet --wallet-name MyWallet
tusdt token allowance SpenderWallet --owner 5GrwvaEF...

4. Auction operations

# List active liquidation auctions
tusdt auction list-active

# View auction details
#                ↓ auction ID
tusdt auction info 0

# Place a 500 TUSDT bid on auction #0
#                 ↓auctionID ↓TUSDT bid amount
tusdt auction bid 0          500 --wallet-name MyWallet --wallet-hotkey default

# Finalize a completed auction
#                      ↓ auction ID
tusdt auction finalize 0 --wallet-name MyWallet

# Withdraw refund for a non-winning bid
#                             ↓auctionID ↓bid ID
tusdt auction withdraw-refund 0          1 --wallet-name MyWallet

# Check your bid on auction #0 (no password, reads coldkeypub.txt)
#                    ↓ auction ID
tusdt auction my-bid 0 --wallet-name MyWallet

5. Oracle operations

# View latest price
tusdt oracle price

# View current round
tusdt oracle round

6. Governance operations

# View maintainer and council
tusdt governance maintainer
tusdt governance council

# Check if an account is on the council
tusdt governance is-council 5GrwvaEF...

# View governance parameters and current epoch
tusdt governance params
tusdt governance current-epoch

# View proposals
tusdt governance proposal-count
tusdt governance get-proposal 0

# Check if a (coldkey, hotkey) pair has voted
tusdt governance has-voted 0 --coldkey 5GrwvaEF... --hotkey 5GrwvaEF...

# View quorum for an epoch
tusdt governance quorum 42

# Submit a proposal
tusdt governance submit-proposal \
  --cid "QmXyz..." --kind non-funding \
  --hotkey 5GrwvaEF... --wallet-name MyWallet

# Cast a vote
tusdt governance vote 0 \
  --hotkey 5GrwvaEF... --support \
  --balance 1000 --multiplier-bps 10000 \
  --proof 0xabcdef --wallet-name MyWallet

# Finalize and execute a proposal
tusdt governance finalize-proposal 0 --wallet-name MyWallet
tusdt governance execute-proposal 0 --wallet-name MyWallet

7. Treasury operations

# View treasury governance and token address
tusdt treasury governance
tusdt treasury token

# Check fund balances
tusdt treasury fund-balance-tusdt emergency
tusdt treasury fund-balance-native insurance

# View pending distributions
tusdt treasury pending-tusdt
tusdt treasury pending-native

# Distribute pending funds
tusdt treasury distribute --wallet-name MyWallet

# Release funds from a fund
tusdt treasury release emergency \
  --token-kind tusdt --amount 5000 \
  --recipient 5GrwvaEF... --wallet-name MyWallet

Network selection

Two networks are available: finney (mainnet, default) and testnet.

# Per-command override (not saved)
tusdt vault list --wallet-name MyWallet --network testnet
tusdt oracle price --network testnet

# Save as default
tusdt config set --network testnet

# Switch back
tusdt config set --network finney

Configuration

Configuration is stored in ~/.tusdt-cli/config.json. Most users won't need to edit it — --wallet-name and --network on each command cover the common cases.

# View current config
tusdt config show

# Pre-configure a wallet (avoids passing --wallet-name every time)
tusdt config set --wallet-name MyWallet

# Use a mnemonic seed phrase instead
tusdt config set --signer "word1 word2 word3 ... word12"

# Override contract addresses or RPC
tusdt config set --rpc wss://custom-endpoint:443
tusdt config set --vault 5GxJ...
tusdt config set --governance 5CEP...
tusdt config set --treasury 5Fcj...
Key Description Default
network Active network preset finney
rpc WebSocket RPC endpoint wss://entrypoint-finney.opentensor.ai:443
vault_address Vault contract SS58 address 5GxJw8kTpapdHRW5KUXQLVDpXMMnA61mbzS6nF6jWsEeWExV
token_address Token (ERC-20) contract SS58 address 5CJ4HtCPdoMfdNUk6B7vZ348XryeXAnb5BmDNGejob1FziNH
auction_address Auction contract SS58 address 5HipAvNRiuh9mpTKztPLTvwyYkhzuSqxe1wsUy1fbRwbZUbQ
oracle_address Oracle contract SS58 address 5Dfz8xgQoCsaWWrDxjeCuKB8R6AtYymWZDDDAe2q7NE8tL8A
governance_address Governance contract SS58 address 5CEPPTnB2YtEv7Cf8TXrFkdr6BPkDAUhDJbiT38t1A1g83g5
treasury_address Treasury contract SS58 address 5FcjwHj8NkAMbPzkqzYweeC7KW4LffLW7KEKAR62Dx2cft2f
vault_metadata Path to vault ABI JSON bundled
token_metadata Path to token ABI JSON bundled
auction_metadata Path to auction ABI JSON bundled
oracle_metadata Path to oracle ABI JSON bundled
governance_metadata Path to governance ABI JSON bundled
treasury_metadata Path to treasury ABI JSON bundled
signer Mnemonic seed phrase or keyfile path
wallet_name Default bittensor wallet name
wallet_hotkey Default hotkey name default
wallet_path Path to wallets directory ~/.bittensor/wallets
decimals Decimal places for balance display 9
access_mode Command visibility (user or dev) user

Environment variables

Configuration can also be set via environment variables (useful for CI/CD or scripting). They take precedence over defaults but are overridden by saved config values and CLI flags.

Variable Config key
TUSDT_RPC rpc
TUSDT_NETWORK network
TUSDT_WALLET wallet_name
TUSDT_WALLET_PATH wallet_path
TUSDT_WALLET_HOTKEY wallet_hotkey

Networks

Network RPC endpoint
finney wss://entrypoint-finney.opentensor.ai:443
testnet wss://test.finney.opentensor.ai:443

Transaction output

All write operations (create vault, borrow, transfer, bid, etc.) display a progress spinner and, on success, print the extrinsic hash with a Taostats explorer link:

Finalized
┌─ Transaction ──────────────────────────────────────────────────┐
│  Extrinsic: 0xabc123…                                          │
│  Block: 0xdef456…                                              │
│  Explorer: https://taostats.io/hash/0xabc…?network=finney      │
└────────────────────────────────────────────────────────────────┘

The network parameter in the URL matches the --network flag (or the configured default).

Global options

These flags must be passed before any subcommand name (Click requires them before, not after):

tusdt --json vault info 0 --wallet-name MyWallet    # machine-readable JSON output
tusdt --quiet vault create --amount 10 --wallet-name MyWallet  # suppress non-essential output
tusdt -v vault info 0 --wallet-name MyWallet         # INFO-level diagnostics
tusdt -vv vault info 0 --wallet-name MyWallet        # DEBUG-level diagnostics
tusdt --dry-run vault create --amount 10 --wallet-name MyWallet  # preview without submitting
tusdt --ledger token transfer 5GrwvaEF... 10         # sign with hardware wallet

Note: --json, --quiet, -v, --dry-run, --ledger, --signer-backend, --ledger-account, and --ledger-index must come before the subcommand name, not after.

tusdt --json vault info 0 --wallet-name MyWallet    # correct
tusdt vault info 0 --wallet-name MyWallet --json     # wrong — global flag after subcommand
Flag Effect
--json Emit machine-readable JSON instead of formatted text
--quiet Suppress progress messages and warnings
-v Enable INFO logging (connection lifecycle, retries)
-v -v Enable DEBUG logging (full chain diagnostics)
--dry-run Preview transaction without submitting (gas + fee)
--signer-backend Signing backend: wallet (default) or ledger
--ledger Use Ledger hardware wallet (shorthand for --signer-backend ledger)
--ledger-account Ledger BIP44 account index (default 0)
--ledger-index Ledger BIP44 address index (default 0)

Set TUSDT_LOG=debug to enable debug logging via environment variable (useful for CI runs).

Transaction preview (dry-run)

Add --dry-run to any write command to preview gas consumption, estimated fees, and whether the call would succeed — without signing or submitting anything on-chain:

tusdt --dry-run vault create --amount 10 --wallet-name MyWallet
tusdt --dry-run token transfer 5GrwvaEF... 50 --wallet-name MyWallet
tusdt --dry-run --json vault borrow 0 100 --wallet-name MyWallet

The output shows: method name, signer address, gas consumed vs required, estimated transaction fee (partial fee), and whether the call would succeed (plus the decoded contract return value).

Hardware wallet (Ledger)

Sign transactions with a Ledger Nano S/X running the Polkadot app. The private key never touches your computer.

# Install with Ledger support
pip install tusdt-cli[ledger]

# Sign with the default Ledger account (m/44'/354'/0'/0'/0')
tusdt --ledger token transfer 5GrwvaEF... 10

# Use a specific BIP44 account and index
tusdt --ledger --ledger-account 3 --ledger-index 1 token transfer 5GrwvaEF... 10

# Preview a transaction before signing on the device
tusdt --ledger --dry-run token transfer 5GrwvaEF... 10

# Also available: --signer-backend ledger (equivalent to --ledger)
tusdt --signer-backend ledger token transfer 5GrwvaEF... 10

The --ledger flag is a shorthand for --signer-backend ledger (mirroring the btcli pattern). If hid is not installed, tusdt prints a clear error message with installation instructions.

Shell completions

Bash, zsh, and fish completions are built into Click. Add one of these lines to your shell config, or run the completion command to see the exact incantation:

tusdt completion bash   # prints the line to add
tusdt completion zsh
tusdt completion fish

bash — add to ~/.bashrc:

eval "$(_TUSDT_COMPLETE=bash_source tusdt)"

zsh — add to ~/.zshrc:

eval "$(_TUSDT_COMPLETE=zsh_source tusdt)"

fish — add to ~/.config/fish/completions/tusdt.fish:

eval (env _TUSDT_COMPLETE=fish_source tusdt)

Development

A justfile provides the standard dev workflow (requires uv and just):

just sync       # install dependencies from lockfile
just lint       # ruff check + format check
just fmt        # auto-fix lint issues + format
just typecheck  # static type checking with ty
just test       # run test suite (pytest)
just cov        # run tests with coverage report
just check      # lint + typecheck + test (the CI gate)
just build      # build wheel + sdist

Run just check before pushing — it's the same gate that CI enforces.

Linting

ruff check src/          # Lint
ruff format src/         # Format
ruff check --fix src/    # Auto-fix lint issues

Testing

90 tests span the CLI, config, wallet, client, error handling, and utility modules. Run them with:

just test       # 90 tests via pytest
just cov        # same tests with coverage report
just check      # lint + typecheck + test (full CI gate)

Building & Publishing

# Install build tools
pip install build twine

# Clean old dist files
rm -rf dist/

# Build the package (wheel + sdist)
python -m build

# Check the build (optional but recommended)
twine check dist/*

# Publish to PyPI using an API token
TWINE_USERNAME=__token__ TWINE_PASSWORD=pypi-xxxx twine upload dist/*

# Publish to TestPyPI first (optional, for validation)
TWINE_USERNAME=__token__ TWINE_PASSWORD=pypi-xxxx twine upload --repository testpypi dist/*

After publishing, users can install with pip install tusdt-cli (or pip install --upgrade tusdt-cli to upgrade).

Contributing

Contributions are welcome. To get started:

  1. Fork the repository and clone your fork
  2. Install in development mode: pip install -e . (or uv sync)
  3. Run just check to verify lint, type checking, and tests pass
  4. Create a branch for your change: git checkout -b my-feature
  5. Make your changes and test locally
  6. Submit a pull request against main

Please keep pull requests focused — one feature or fix per PR.

Repositories

License

MIT

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