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YPP-0063.md

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Proposal

Activate the DAI, USDC, ETH and FRAX December series on mainnet using yieldspace-tv, and roll the respective strategies (YSETH6MMS, YSDAI6MMS, YSUSDC6MMS, YSFRAX6MMS) from September to March.

Background

On September 22nd 2022 all September series matured, and the strategies stopped accruing fees. New yieldspace-tv pools are going to be used for the March series.

Details

The steps are: 1. Deploy new fyTokens, Euler pools and Non-tv pools. 2. Activate the March series 3. Governance proposal i. Orchestrate pools ii. Add new series iii. Add ilks to the new series iv. Initialize new pools v. Roll the strategies to the next pool

Scripts for deployment and activation along with config.

/// @notice Time stretch to be set in the PoolFactory prior to pool deployment
/// @param series identifier (bytes6 tag)
/// @param time stretch (64.64)
export const timeStretch: Map<string, BigNumber> = new Map([
  [FYETH2303, ONE64.div(secondsInOneYear.mul(25))],
  [FYDAI2303, ONE64.div(secondsInOneYear.mul(45))],
  [FYUSDC2303, ONE64.div(secondsInOneYear.mul(55))],
  [FYFRAX2303, ONE64.div(secondsInOneYear.mul(20))],
])

/// @notice Sell base to the pool fee, as fp4
export const g1: number = 9000

/// @notice Deploy fyToken series
/// @param series identifier (bytes6 tag)
/// @param underlying identifier (bytes6 tag)
/// @param Address for the chi oracle
/// @param Address for the related Join
/// @param Maturity in unix time (seconds since Jan 1, 1970)
/// @param Name for the series
/// @param Symbol for the series
export const fyTokenData: Array<[string, string, string, string, number, string, string]> = [
  [FYETH2303, ETH, protocol.get(COMPOUND) as string, joins.get(ETH) as string, EOMAR23, 'FYETH2303', 'FYETH2303'],
  [FYDAI2303, DAI, protocol.get(COMPOUND) as string, joins.get(DAI) as string, EOMAR23, 'FYDAI2303', 'FYDAI2303'],
  [FYUSDC2303, USDC, protocol.get(COMPOUND) as string, joins.get(USDC) as string, EOMAR23, 'FYUSDC2303', 'FYUSDC2303'],
  [
    FYFRAX2303,
    FRAX,
    protocol.get(ACCUMULATOR) as string,
    joins.get(FRAX) as string,
    EOMAR23,
    'FYFRAX2303',
    'FYFRAX2303',
  ],
]

/// @notice Deploy euler-backed YieldSpace pools
/// @param pool identifier, usually matching the series (bytes6 tag)
/// @param euler main address
/// @param euler token address
/// @param fyToken address
/// @param time stretch, in 64.64
/// @param g1, in 64.64
export const ePoolData: Array<[string, string, string, string, BigNumber, number]> = [
  [
    FYETH2303,
    euler,
    assets.get(EWETH) as string,
    newFYTokens.get(FYETH2303) as string,
    timeStretch.get(FYETH2303) as BigNumber,
    g1,
  ],
  [
    FYDAI2303,
    euler,
    assets.get(EDAI) as string,
    newFYTokens.get(FYDAI2303) as string,
    timeStretch.get(FYDAI2303) as BigNumber,
    g1,
  ],
  [
    FYUSDC2303,
    euler,
    assets.get(EUSDC) as string,
    newFYTokens.get(FYUSDC2303) as string,
    timeStretch.get(FYUSDC2303) as BigNumber,
    g1,
  ],
]

/// @notice Deploy plain YieldSpace pools
/// @param pool identifier, usually matching the series (bytes6 tag)
/// @param base address
/// @param fyToken address
/// @param time stretch, in 64.64
/// @param g1, in 64.64
export const nonTVPoolData: Array<[string, string, string, BigNumber, number]> = [
  [
    FYFRAX2303,
    assets.get(FRAX) as string,
    newFYTokens.get(FYFRAX2303) as string,
    timeStretch.get(FYFRAX2303) as BigNumber,
    g1,
  ],
]

/// @notice Pool initialization parameters
/// @param pool identifier, usually matching the series (bytes6 tag)
/// @param amount of base to initialize pool with
export const poolsInit: Array<[string, BigNumber]> = [
  [FYETH2303, WAD.div(10)],
  [FYDAI2303, WAD.mul(100)],
  [FYUSDC2303, ONEUSDC.mul(100)],
  [FYFRAX2303, WAD.mul(100)],
]

/// @notice Ilks to accept for series
/// @param series identifier (bytes6 tag)
/// @param newly accepted ilks (array of bytes6 tags)
export const seriesIlks: Array<[string, string[]]> = [
  [FYETH2303, [ETH, DAI, USDC, WBTC, WSTETH, LINK, ENS, UNI, FRAX]],
  [FYDAI2303, [ETH, DAI, USDC, WBTC, WSTETH, LINK, ENS, UNI, FRAX]],
  [FYUSDC2303, [ETH, DAI, USDC, WBTC, WSTETH, LINK, ENS, UNI, FRAX, YVUSDC]],
  [FYFRAX2303, [ETH, DAI, USDC, WBTC, WSTETH, LINK, ENS, UNI, FRAX]],
]

/// Parameters to roll each strategy
/// @param strategyId
/// @param nextSeriesId
/// @param buffer Amount of base sent to the Roller to make up for market losses when using a flash loan for rolling
/// @param lender ERC3156 flash lender used for rolling
/// @param fix If true, transfer one base wei to the pool to allow the Strategy to start enhanced TV pools
export const rollData: Array<[string, string, BigNumber, string, boolean]> = [
  [YSETH6MMS, FYETH2303, ZERO, ZERO_ADDRESS, true],
  [YSDAI6MMS, FYDAI2303, ZERO, ZERO_ADDRESS, true],
  [YSUSDC6MMS, FYUSDC2303, ZERO, ZERO_ADDRESS, true],
  [YSFRAX6MMS, FYFRAX2303, ZERO, ZERO_ADDRESS, false],
]