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veil

Skill17 starsChanged 5 months agoMITView on GitHub

Privacy and shielded transactions on Base via Veil Cash (veil.cash). Deposit ETH or USDC into private pools, withdraw/transfer privately using ZK proofs. Manage Veil keypairs, check private/queue balances across all pools, and submit deposits via Bankr. Use when the user wants anonymous or private transactions, shielded transfers, or ZK-based privacy on Base.

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2 rules. About 0 are common, 1 is distinctive, and 1 is very specific to this project.

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  1. Distinctive:

    Status check: verify configuration, registration, and relay health

    line 21
  2. Very specific:

    Put RPC_URL=... in one of these:

    line 53

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

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Files
SKILL.md

Veil

This skill wraps the @veil-cash/sdk CLI to make Veil operations agent-friendly.

Supported Assets

AssetDecimalsDescription
ETH18Native ETH (via WETH)
USDC6USDC on Base

What it does

  • Key management: generate and store a Veil keypair locally
  • Status check: verify configuration, registration, and relay health
  • Balances: veil balance (queue + private) — supports --pool eth|usdc
  • Deposits via Bankr: build Bankr-compatible unsigned transactions and ask Bankr to sign & submit (handles ERC20 approve + deposit for USDC)
  • Private actions: withdraw, transfer, merge for ETH or USDC — executed locally using VEIL_KEY (ZK/proof flow)

File locations (recommended)

  • Veil keys: ~/.clawdbot/skills/veil/.env.veil (chmod 600)
  • Bankr API key: ~/.clawdbot/skills/bankr/config.json

Quick start

1) Install the Veil SDK

Option A: Global npm install (recommended)

npm install -g @veil-cash/sdk

Option B: Clone from GitHub

mkdir -p ~/.openclaw/workspace/repos
cd ~/.openclaw/workspace/repos
git clone https://github.com/veildotcash/veildotcash-sdk.git
cd veildotcash-sdk
npm ci && npm run build

2) Configure Base RPC (recommended)

Veil queries a lot of blockchain data (UTXOs, merkle proofs, etc.), so public RPCs will likely hit rate limits. A dedicated RPC from Alchemy, Infura, or similar is recommended.

Put RPC_URL=... in one of these:

  • ~/.clawdbot/skills/veil/.env (preferred)
  • or the SDK repo .env (less ideal)

Example:

mkdir -p ~/.clawdbot/skills/veil
cat > ~/.clawdbot/skills/veil/.env << 'EOF'
RPC_URL=https://base-mainnet.g.alchemy.com/v2/YOUR_KEY
EOF
chmod 600 ~/.clawdbot/skills/veil/.env

3) Make scripts executable

chmod +x scripts/*.sh

4) Generate your Veil keypair

scripts/veil-init.sh
scripts/veil-keypair.sh

5) Check your setup

scripts/veil-status.sh

6) Find your Bankr Base address

scripts/veil-bankr-prompt.sh "What is my Base wallet address? Respond with just the address."

7) Check balances

# ETH pool (default)
scripts/veil-balance.sh --address 0xYOUR_BANKR_ADDRESS

# USDC pool
scripts/veil-balance.sh --address 0xYOUR_BANKR_ADDRESS --pool usdc

8) Deposit via Bankr (sign & submit)

# Deposit ETH
scripts/veil-deposit-via-bankr.sh ETH 0.011 --address 0xYOUR_BANKR_ADDRESS

# Deposit USDC (auto-handles approve + deposit)
scripts/veil-deposit-via-bankr.sh USDC 100 --address 0xYOUR_BANKR_ADDRESS

9) Withdraw (private to public)

scripts/veil-withdraw.sh ETH 0.007 0xYOUR_BANKR_ADDRESS
scripts/veil-withdraw.sh USDC 50 0xRECIPIENT

10) Transfer privately

scripts/veil-transfer.sh ETH 0.01 0xRECIPIENT
scripts/veil-transfer.sh USDC 25 0xRECIPIENT

11) Merge UTXOs

scripts/veil-merge.sh ETH 0.1
scripts/veil-merge.sh USDC 100

References

  • SDK Reference — CLI commands, environment variables, error codes
  • Troubleshooting — Common issues and debugging tips

Notes

  • For Bankr signing, this skill uses Bankr's Agent API via your local ~/.clawdbot/skills/bankr/config.json.
  • For USDC deposits via Bankr, the skill automatically submits the ERC20 approval transaction first, then the deposit transaction.
  • For privacy safety: never commit .env.veil or .env files to git.

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