Morpho: deposit into a vault

Notes

• Amounts are in the token’s smallest units (USDC has 6 decimals). 1 = 0.000001 USDC.
• Use the correct vault address for your asset.
• You need a bit of ETH on Base for gas and some USDC for the deposit.
• Full source code is available in our public GitHub repository: CompassLabs/api_usecases – deposit_on_morpho.

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Prerequisites

npm install @compass-labs/api-sdk viem dotenv

pip install compass_api_sdk web3 python-dotenv

# .env
COMPASS_API_KEY="your_compass_api_key"
PRIVATE_KEY="your_wallet_private_key"
WALLET_ADDRESS="0xYourEOA"
SPECIFIC_MORPHO_VAULT="0xVaultAddress"   # the vault that accepts USDC
BASE_RPC_URL="https://base-mainnet.example"  # from your RPC provider

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Implementation

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Full Code

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Troubleshooting (quick)

• Revert or underflow: Check amount units and token decimals.
• Allowance errors: Ensure the vault address matches the USDC vault.
• Insufficient funds: Top up ETH on Base for gas.
• Wrong network: Confirm your RPC URL is Base mainnet.