Docs

Contracts

One contract, Yoke, and one token template, YokeToken. Solidity 0.8.26, OpenZeppelin 5.1 for the ERC-20 and math.

Addresses

Name	Address
Yoke	Not published yet
Uniswap V3 factory (Robinhood Chain)	`0x1f7d7550B1b028f7571E69A784071F0205FD2EfA`
WETH (Robinhood Chain)	`0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73`

Chain id 4663. RPC https://rpc.mainnet.chain.robinhood.com. Explorer robinhoodchain.blockscout.com.

Functions

Function	What it does
`create(name, symbol, pair, startCap, firstBuy, minOut)`	Deploys the token and the curve. Optional first buy by the creator.
`buy(token, pairIn, minOut, to)`	Buys with the pair token. Needs an approval.
`buyETH(token, minOut, to)` payable	Buys with ETH when the pair is WETH.
`sell(token, tokensIn, minOut, to)`	Sells coins for the pair token. Needs an approval of the coin.
`sellETH(token, tokensIn, minOut, to)`	Sells coins for ETH when the pair is WETH.
`graduate(token, poolFee)`	Opens the pool and locks the liquidity of a full curve. Permissionless.
`collectFees(token)`	Collects the locked position's fees. Permissionless.
`claim(pair, to)`	Pays out your accrued fees in that pair token.
`claimProtocol(pair)`	Pays the protocol's accrued fees to `feeTo`.
`setCreator(token, newCreator)`	Creator hands over the fee seat.
`setFeeTo(addr)`, `transferOwnership(addr)`	Owner only. These are the only owner powers.

Views

`curves(token)`	pair, creator, full, graduated, poolFee, tickLower, tickUpper, pool, vPair, raised, sold
`quoteBuy(token, gross)`	coins out and amount spent (after the cap on the last buy)
`quoteSell(token, tokensIn)`	pair out after the fee
`spotPrice(token)`	raw pair per whole coin
`pending(account, pair)`	accrued fees; account `0x0` is the protocol's share
`allTokens(i)`, `allTokensLength()`	every coin ever created

Events

Created(token indexed, creator indexed, pair indexed, vPair, name, symbol)
Trade(token indexed, trader indexed, isBuy, pairAmount, tokenAmount, fee, raised, sold)
CurveFull(token indexed)
Graduated(token indexed, pool indexed, poolFee, pairIn, tokenIn)
FeesCollected(token indexed, pairAmount, tokensBurned)
Claimed(account indexed, pair indexed, amount)
CreatorChanged(token indexed, creator indexed)

Errors

Error	When
`BadPair`	Zero address, no code, or `decimals()` fails or is above 36
`BadStartCap`	Virtual reserve outside 1e6 to 2^100
`NoSuchCoin`	Unknown token
`CurveClosed`	Trading a full or graduated curve on the curve
`Slippage`	Output below `minOut`
`ZeroAmount`	Zero in, or zero out after rounding
`PairTransferMismatch`	The pair moved less or more than asked
`NotWeth`	ETH function on a coin whose pair is not WETH
`NotFull`, `NotGraduated`, `AlreadyGraduated`	Wrong state for `graduate` or `collectFees`
`NotEnoughGas`	A buy that fills the curve was sent with less gas than graduation needs (about 5.6M); the wallet's estimate normally covers it
`BadTier`	Fee tier unknown to the Uniswap factory
`PoolPriceMismatch`	Pre-existing pool at a bad price that cannot be moved
`NotCreator`, `NotOwner`, `Unauthorized`, `Reentrancy`, `TransferFailed`	As named