Fund Share

Source: src/FundShare.sol

Responsibility

FundShare is the ERC-20 share token of a fund. One FundShare is deployed per fund, with 18 decimals. Holding shares represents a pro-rata claim on the fund’s assets at the oracle-reported price. It is deliberately minimal: a standard ERC20Upgradeable where only the Fund can mint and burn. All supply changes happen inside the Fund’s settlement flow:

Minted to the DepositQueue (user shares) and to fee recipients (entry/exit/management/performance/protocol fee shares) during Fund.acceptReport.
Burned from the Fund’s own balance when redeem batches settle (the RedeemQueue transfers the batch’s shares to the Fund first).

Shares are freely transferable ERC-20s; users receive them by calling DepositQueue.claimDeposit after their batch settles.

Flow

deposit settle:   Fund → mint(DepositQueue, userShares), mint(feeRecipient, feeShares)
user claim:       DepositQueue → transfer(user, proRataShares)
redeem request:   user → transferFrom(user, RedeemQueue, shares)
redeem settle:    RedeemQueue → transfer(Fund, batchShares); Fund → burn(Fund, batchShares)

Function reference

Function	Access	Description
`initialize(name, symbol, fund)`	initializer (via `FundManager.createFund`)	Sets ERC-20 metadata and binds the Fund. `fund` cannot be zero.
`mint(to, amount)`	`onlyFund`	Mints shares. Used exclusively by settlement/fee accrual.
`burn(from, amount)`	`onlyFund`	Burns shares. Used when redeem batches settle.
`fund()`	view	The bound Fund address.
`totalSupply` / `balanceOf` / `transfer` / `approve` / `allowance` / `transferFrom`	standard ERC-20	Standard OZ ERC-20 behavior.

Errors

Error	When
`OnlyFund`	`mint`/`burn` called by anyone other than the Fund.
`ZeroAddress`	`initialize` with zero fund address.

Fund · DepositQueue · RedeemQueue

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