decimals() function in SiloVault and Silo does not add decimal offset to decimals of underlaying asset. Both contracts use decimal offset but it is not reflected in decimals() function return value.
SiloVault: decimals(): same as underlying asset offset: 6 minted shares per 1 wei of asset deposited: 1000000
Silo: decimals(): same as underlying asset offset: 3 minted shares per 1 wei of asset deposited: 1000
ProtectedShareToken: decimals(): same as underlying asset offset: 3 minted shares per 1 wei of asset deposited: 1000
DebtShareToken: decimals(): same as underlying asset offset: 0 shares per 1 wei of asset borrowed: 1
Learn more about the decimal offset here
The share-to-asset ratio may change over time due to interest accrual. Assets grow with interest but the number of shares remains constant, the ratio will adjust dynamically.
To determine the current conversion rate, use the vault’s convertToShares(1 asset) method.
For SiloVault and Silo decimals() fn return underlying asset decimals (USDC - 6, WETH - 18).
Silo incentives controller with version < 3.6.0 has issue with getProgramName fn. It fails to convert the immediate
distribution program name into a proper string representation.
Silos incentives controller with this issue: Sonic 1 - 101, Arbitrum 100 - 111, Optimism - 100, Ink - 100 - 101.
The leverage contract requires approval of share debt tokens so it can borrow on behalf of the user. Recent versions of the debt share token used approve fn for that, but it was changed in PR#1098 (Release 3.0.0), and after that change, we need to use setReceiveApproval fn.
Silos with id < 100 on Sonic use approve. All other versions use setReceiveApproval fn.