Yearn Stake the Bridge

Structure

Role Manager

• Yearn governed contract to handle vault deployments and configuration

L1 Deployer

• The L1 rollup admin will register their rollup with the L1 Deployer

  • registerRollup

    • rollupID
    • L1 EscrowManager
    • L2 Deployer

  • Deploys a new vault if not yet, does full setup.

  • Deploys L1 escrow and sends message to bridge to L2 escrow.

• Allows anyone to add a new asset to any registered Rollup

  • newEscrow
    • rollupID
    • L1 Token

• Allows for a Rollup Admin to add custom vaults for a specific asset.

  • newCustomVault
    • rollupID
    • L1 Token
    • Vault (Optional)

• Allows for a Rollup Admin to update is EScrow Manager or L2 Deployer

L2 Deployer

• Receives message from L1 Deployer when a new escrow was created for a new asset.
• Deploys L2 Token, Escrow and convertor and completes setup
• Owned by L2 Admin

L1 Yearn Escrow

• Yearn specific L1 Escrow contract that handles bridge transactions.

• Will deposit funds into a Yearn vault during a bridge if amounts are over any set minimumBuffer

• If withdraws cannot be processed it will send shares to users when bridging back to L1.

• Rollups Admin can update the minimumBuffer as well as the vault it uses.

• Allows for permissionless rebalance's based on the minimumBuffer.

Foundry Documentation

https://book.getfoundry.sh/

Usage

Build

$ make build

Test

$ make tests

Trace

$ make trace

Gas Snapshots

$ make snapshot

Cast

$ cast <subcommand>

Help

$ forge --help
$ anvil --help
$ cast --help