Prize vault

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Holds takoGRAM, keeps every deposit whole and draws the yield as prizes.

Accepts

Message	Opcode	Fields
`TransferNotificationForRecipient`	`0x7362d09c`	`queryId: uint64, jettonAmount: coins, transferInitiator: address?, forwardPayload: ForwardPayload`
`VaultWithdraw`	`0x74e15b46`	`queryId: uint64, amount: coins`
`ReclaimParked`	`0xe4638ca9`	`queryId: uint64`
`CloseDraw`	`0x048a79f4`	`queryId: uint64`
`FinalizeDraw`	`0xa639254d`	`queryId: uint64, proof: Cell<DrandProof>?`
`RateReply`	`0x6de8dfc3`	`queryId: uint64, totalCoins: coins, totalShares: coins, context: cell`
`SetVaultParams`	`0x85049128`	`queryId: uint64, period: uint32, lockPeriod: uint32, keeperFeeBps: uint16, minDeposit: coins, winners: uint8, jackpotBps: uint16, jackpotOdds: uint16`
`UpgradeCode`	`0x03e37786`	`queryId: uint64, code: cell`
`RecoverStray`	`0x1c36fa16`	`queryId: uint64, to: address, shares: coins`
`TakeShareBalance`	`0x07821870`	`queryId: uint64, balance: coins, context: cell`
`ReturnExcessesBack`	`0xd53276db`	`queryId: uint64`

Sends

Message	Opcode	Fields
`AskToTransfer`	`0x0f8a7ea5`	`queryId: uint64, jettonAmount: coins, transferRecipient: address, sendExcessesTo: address?, customPayload: cell?, forwardTonAmount: coins, forwardPayload: ForwardPayload`
`ReturnExcessesBack`	`0xd53276db`	`queryId: uint64`
`QueryRate`	`0xcb0f8ba1`	`queryId: uint64, context: cell`
`ProvideShareBalance`	`0x6c3eae4c`	`queryId: uint64, context: cell`

Events

Logged as external messages whose destination is the topic number.

Message	Opcode	Fields
`DrawClosedEvent`	—	`drawId: uint32, targetRound: uint64`
`DrawRevealedEvent`	—	`drawId: uint32, round: uint64, randomness: uint256, principal: coins, winner: address?`
`VaultDepositEvent`	—	`owner: address, shares: coins, principal: coins`
`VaultWithdrawEvent`	—	`owner: address, shares: coins, principal: coins`
`PrizeEvent`	—	`drawId: uint32, winner: address, shares: coins, principal: coins, jackpot: bool`

Getters

Getter	Parameters	Returns
`get_vault_state`	—	`VaultState`
`get_account`	`owner: address`	`Account?`
`get_draw`	—	`DrawState`
`get_vault_fees`	—	`VaultFees`
`get_parked`	`owner: address`	`coins`
`get_storage_version`	—	`int`
`get_vault_config`	—	`VaultConfig`
`get_code_version`	—	`CodeVersion`

Types

TransferNotificationForRecipient

Opcode 0x7362d09c.

Field	Type
`queryId`	`uint64`
`jettonAmount`	`coins`
`transferInitiator`	`address?`
`forwardPayload`	`ForwardPayload`

ForwardPayload

Alias of RemainingBitsAndRefs.

VaultWithdraw

Opcode 0x74e15b46.

Field	Type
`queryId`	`uint64`
`amount`	`coins`

ReclaimParked

Opcode 0xe4638ca9.

Field	Type
`queryId`	`uint64`

CloseDraw

Opcode 0x048a79f4.

Field	Type
`queryId`	`uint64`

FinalizeDraw

Opcode 0xa639254d.

Field	Type
`queryId`	`uint64`
`proof`	`Cell<DrandProof>?`

DrandProof

Field	Type
`round`	`uint64`
`signature`	`bitsN`
`q0`	`uint256`
`q1`	`uint256`

RateReply

Opcode 0x6de8dfc3.

Field	Type
`queryId`	`uint64`
`totalCoins`	`coins`
`totalShares`	`coins`
`context`	`cell`

SetVaultParams

Opcode 0x85049128.

Field	Type
`queryId`	`uint64`
`period`	`uint32`
`lockPeriod`	`uint32`
`keeperFeeBps`	`uint16`
`minDeposit`	`coins`
`winners`	`uint8`
`jackpotBps`	`uint16`
`jackpotOdds`	`uint16`

UpgradeCode

Opcode 0x03e37786.

Field	Type
`queryId`	`uint64`
`code`	`cell`

RecoverStray

Opcode 0x1c36fa16.

Field	Type
`queryId`	`uint64`
`to`	`address`
`shares`	`coins`

TakeShareBalance

Opcode 0x07821870.

Field	Type
`queryId`	`uint64`
`balance`	`coins`
`context`	`cell`

ReturnExcessesBack

Opcode 0xd53276db.

Field	Type
`queryId`	`uint64`

AskToTransfer

Opcode 0x0f8a7ea5.

Field	Type
`queryId`	`uint64`
`jettonAmount`	`coins`
`transferRecipient`	`address`
`sendExcessesTo`	`address?`
`customPayload`	`cell?`
`forwardTonAmount`	`coins`
`forwardPayload`	`ForwardPayload`

QueryRate

Opcode 0xcb0f8ba1.

Field	Type
`queryId`	`uint64`
`context`	`cell`

ProvideShareBalance

Opcode 0x6c3eae4c.

Field	Type
`queryId`	`uint64`
`context`	`cell`

DrawClosedEvent

Field	Type
`drawId`	`uint32`
`targetRound`	`uint64`

DrawRevealedEvent

Field	Type
`drawId`	`uint32`
`round`	`uint64`
`randomness`	`uint256`
`principal`	`coins`
`winner`	`address?`

VaultDepositEvent

Field	Type
`owner`	`address`
`shares`	`coins`
`principal`	`coins`

VaultWithdrawEvent

Field	Type
`owner`	`address`
`shares`	`coins`
`principal`	`coins`

PrizeEvent

Field	Type
`drawId`	`uint32`
`winner`	`address`
`shares`	`coins`
`principal`	`coins`
`jackpot`	`bool`

VaultState

Field	Type
`shares`	`coins`
`pendingShares`	`coins`
`principal`	`coins`
`withdrawing`	`coins`
`prize`	`coins`
`rateCoins`	`coins`
`rateShares`	`coins`
`players`	`uint32`
`drawId`	`uint32`
`nextDrawAt`	`uint32`
`status`	`EnumRef`
`jackpot`	`coins`

Account

Field	Type
`index`	`uint32`
`principal`	`coins`
`lockedUntil`	`uint32`

DrawState

Field	Type
`id`	`uint32`
`nextAt`	`uint32`
`closedAt`	`uint32`
`targetRound`	`uint64`
`status`	`EnumRef`
`winner`	`address?`
`randomness`	`uint256`
`jackpot`	`coins`

VaultFees

Field	Type
`deposit`	`coins`
`withdraw`	`coins`
`reclaim`	`coins`
`finalize`	`coins`

VaultConfig

Field	Type
`chatId`	`int64`
`treasury`	`address`
`governor`	`address`
`walletCode`	`cell`
`period`	`uint32`
`lockPeriod`	`uint32`
`keeperFeeBps`	`uint16`
`minDeposit`	`coins`
`winners`	`uint8`
`jackpotBps`	`uint16`
`jackpotOdds`	`uint16`

CodeVersion

Field	Type
`major`	`uint8`
`minor`	`uint8`
`patch`	`uint8`