Tinlake Contracts

Tinlake is a set of smart contracts that mints an ERC20 token for each unit of value of a group of NFTs it holds in escrow.

This is a very rough prototype and is not ready for production use.

Deploy

Testnet

The easiest way to run these scripts is with dapp testnet. Use this command to start a geth devserver.

Pre-deploy:

All deployed addresses are written to addresses-$(seth chain).json. To start with a fresh deploy, remove the address file.

• export ETH_FROM=DEPLOYMENT_ACCOUNT
• export ETH_PASSWORD=ACCOUNT_PASSWORD_FILE_PATH
• export ETH_KEYSTORE=KEYSTORE_PATH
• export ETH_RPC_URL=TESTNET_RPC_NODE_URL

You can use . bin/setup-env to help you set up these variables.

Currency

If you want to deploy a mock NFT and currency NFT contract, you can run ./bin/deploy-mocks which will deploy them. If you want to deploy Tinlake with an existing ERC20 token, you can set the environment variable CURRENCY to the address you want to configure Tinlake with.

Deployment with simple backer account

Deploying Tinlake with the backer funder module will allow you to specify an address from which the $CURRENCY will be taken and the CVT deposited. Set the variable $BACKER_ADDR to set the address used.

If you also supply BACKER_ETH_FROM, BACKER_ETH_PASSWORD and BACKER_ETH_KEYSTORE, it will automatically approve both currency and CVT transfers for the address to the lender.

Deployment with Maker testchain-dss-deployment-scripts

To deploy Tinlake with Maker follow these steps:

1. Deploy Maker with step-4 described in github.com/makerdao/testchain-dss-deployment-scripts
2. export MCD_ADDRESS_FILE='... path to testchain-dss-deployment-scripts/out/addresses.json...'
3. Run ./bin/deploy-all-maker