API reference

Program instructions

Instruction	Who	Arguments	Effect
`initialize`	deployer	`defaults`	creates Config and the vault
`set_paused`	authority	`paused`	blocks or unblocks new bets and new markets
`set_defaults`	authority	`defaults`	defaults for future markets, within the ceilings
`propose_authority`, `accept_authority`	authority, then the new key	`new_authority`	two-step handover
`create_market`	anyone	`feed_id`, `strike`, `expiry`	one market per (feed, strike, expiry)
`open_purse`	bettor	`enc_key`	creates the bettor's purse
`deposit`	bettor	`computation_offset`, `amount`	public transfer in, then a sealed credit
`place_bet`	bettor	`computation_offset`, `bet`, `bet_key`, `bet_nonce`	sealed bet and ticket
`tally`	anyone	`computation_offset`	seals a due batch and asks for its sums
`settle_market`	anyone	the Pyth update account	applies the print rule
`refund_market`	anyone	none	refunds a market after the 7-day grace with no print
`claim`	anyone	`computation_offset`	pays one position into its purse
`withdraw`	bettor	`computation_offset`, `amount`	public transfer out if the purse holds it
`release_purse`	anyone	none	frees a purse whose computation went unanswered for an hour
`sweep_fees`	anyone	none	moves accrued fees to the fixed treasury

Each computation has a matching *_callback that only the Arcium program can deliver.

Event	Fields
`MarketCreated`	market, feed_id, strike, expo, close_time, expiry
`Deposited`	owner, amount
`Credited`	owner
`BetQueued`	market, owner, batch
`BetSettled`	market, owner, batch, accepted
`BatchSealed`	market, batch, tickets
`OddsPublished`	market, batch, tickets, yes_pool, no_pool
`MarketSettled`	market, outcome, price, conf, publish_time, fee, dropped_tickets
`Claimed`	market, owner
`WithdrawSettled`	owner, amount, paid
`ComputationAborted`	account
`Released`	account
`FeesSwept`	amount

Name	Value	Meaning
`BATCH_SLOTS`	8	seats per batch
`MIN_BATCH_FLOOR`	3	lowest minimum batch the program accepts
`MAX_FEE_BPS`	500	fee ceiling, 5%
`MIN_EPOCH_SECS`, `MAX_EPOCH_SECS`	30, 86,400	epoch range
`MAX_PRINT_DELAY_SECS`	60	latest a settling print may land after the deadline
`MAX_SETTLE_CONF_BPS`	100	widest confidence band a settling print may carry
`SETTLE_WINDOW_SECS`	15	How long after the deadline a print may be published and still settle the market
`RESOLVE_GRACE_SECS`	604,800	7 days before a market without a print can be refunded
`STUCK_AFTER_SECS`	3,600	wait before an unanswered computation can be released

Path	Returns
`/api/health`	status, network, program id, stage
`/api/landing`	live Pyth SOL, BTC and ETH prices read from their Solana accounts
`/.well-known/curtain.json`	program id and deployment status