The reserve factor defines the portion of borrower interest that is converted into reserves.
SErc20 / SEther
function reserveFactorMantissa() returns (uint)
RETURN: The current reserve factor as an unsigned integer, scaled by 1e18.
SErc20 sToken = SToken(0x3FDA...);uint reserveFactorMantissa = sToken.reserveFactorMantissa();
const sToken = SEther.at(0x3FDB...);const reserveFactor = (await sToken.methods.reserveFactorMantissa().call()) / 1e18;