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Architecture

Actions

Cat - Liquidator

• Bite - Trigger liquidation of an unsafe Cdp (vat.grab)

Dai - Token

• Mint - Mint to an address
• Burn - Burn at an address
• Push - Transfer
• Pull - Transfer From
• Move - Transfer From
• Approve - Allow pulls and moves
• Permit - Approve by signature

End - Global settlement

• Cage - Freeze user-facing actions. Tag Ilk prices.
• Skim - Settle a Cdp at the tagged price
• Free - Remove collateral from a settled Cdp
• Thaw - Fix outstanding Dai supply after all Skims
• Flow - Calculate final Ilk prices
• Pack - Lock Dai ahead of Cash
• Cash - Exchange packed Dai for collateral

Flipper - Collateral auctions

• Kick - Put up a new GEM lot for auction
• Tick - Bump the end date for an auction with no bids
• Tend - Submit a DAI bid (increasing bid)
• Dent - Submit a DAI bid (decreasing lot)
• Deal - Settle a completed auction

Flapper - Surplus auctions

• Kick - Put up a new DAI lot for auction
• Tend - Submit an MKR bid (increasing bid)
• Deal - Settle a completed auction

Flopper - Defecit auctions

• Kick - Put up a new MKR bid for auction
• Dent - Submit a DAI bid (decreasing lot)
• Deal - Settle a completed auction

Join - Token adapters

• Join - Deposit tokens to the system
• Exit - Remove tokens from the system

Jug - Stability fees

• Drip - Trigger stability fee accumulation (vat.fold)

Median - Price oracle

• Read - Get valid price or fail
• Peek - Get price and validity
• Poke - Set price from white-listed feed providers

OSM - Oracle security module

• Read - Get current valid price or fail
• Peek - Get current price and validity
• Peep - Get next price and validity
• Poke - Set next price if delay has elapsed

Pause - System governance

• Plot - Schedule a plan
• Exec - Execute a plan
• Drop - Cancel a plan

Pot - Dai savings

• Drip - Trigger savings accumulation (vat.suck)

Spotter - Price relayer

• Poke - Update the spot price for a given Ilk (vat.file)

Vat - User balances

• Frob - Cdp Management
• Fork - Transfer Cdp balances
• Grab - Seize Cdp balances
• Heal - Balance system surplus/defecit
• Suck - Print Dai
• Fold - Apply rates across an Ilk

Vow - Liquidations manager

• Fess - Push bad debt to the auctions queue
• Flog - Release queued debt for auction
• Heal - Optimise debt buffer (vat.heal)
• Kiss - Release on-auction debt and Heal (vat.heal)
• Flap - Trigger a surplus auction (flapper.kick)
• Flop - Trigger a defecit auction (flopper.kick)