SeeSwap is meant to be a flexible and agnostic DeFi primitive. Due to constraints such as gas and math approximations, there are some limitations built into the protocol.

HRC20 Tokens

HRC20 compliance: pool tokens have to be HRC20 compliant. SeeSwap not support HRC20 tokens that do not return bools for transfer and transferFrom. There are no upgrade mechanisms in the contracts to allow for token upgrades. Any upgrade will need to be manually coordinated and moved into new pools.

Tokens that have internal transfer fees or other non-standard SeeSwap updates may create arbitrage opportunities.

Minimum Bound Tokens - 2

A functional pool must contain at least two tokens. (If the pool creator can remove tokens, it is possible to remove them all and have one or zero, but of course no swaps are possible if there is only one token, and a 0-token pool cannot be restored.)

Maximum Bound Tokens - 8

The maximum number of tokens that can be in a given pool is 8.

Maximum Swap In Ratio - 1/2

A maximum swap in ratio of 0.50 means a user can only swap in less than 50% of the current balance of tokenIn for a given pool

Maximum Swap Out Ratio - 1/3

A maximum swap out ratio of 1/3 means a user can only swap out less than 33.33% of the current balance of tokenOut for a given pool

Minimum Swap Fee - 0.0001%

There is a minimum swap fee of 0.0001% (or a hundredth of a basis point) to counteract any unfavorable pool rounding.

Maximum Swap Fee - 10%

This is to prevent malicious pool controllers from setting predatory trading fees. (For instance, a pool controller could front-run a large trade and set the fee to 99%.)

Minimum Balance - (10^18) / (10^12)

The minimum balance of any token in a pool is 10^6 wei. Important: this is agnostic to token decimals and may cause issues for tokens with less than 6 decimals. Also note that this is only enforced on initial token binding. Future exits can potentially bring the pool below the minimum balance threshold and users should be aware of potential rounding errors.

Min/Max Initial SPT Supply - (100 / 1 Billion)

Core SeeSwap Pools have a fixed initial token supply of 100 (i.e., SPTs that represent shares of the pool's liquidity). Smart Pools allow the pool creator to specify an initial supply within these bounds.

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