Forta Staking Utils

FortaStakingUtils

subjectToActive

function subjectToActive(uint8 subjectType, uint256 subject) internal pure returns (uint256)

Encode "active" and subjectType in subject by hashing them together, shifting left 9 bits, setting bit 9 (to mark as active) and masking subjectType in

Name	Type	Description
subjectType	uint8	agents, scanner or future types of stake subject. See SubjectTypeValidator.sol
subject	uint256	id identifying subject (external to FortaStaking).

Name	Type	Description
[0]	uint256	ERC1155 token id representing active shares.

subjectToInactive

function subjectToInactive(uint8 subjectType, uint256 subject) internal pure returns (uint256)

Encode "inactive" and subjectType in subject by hashing them together, shifting left 9 bits, letting bit 9 unset (to mark as inactive) and masking subjectType in.

Name	Type	Description
subjectType	uint8	agents, scanner or future types of stake subject. See SubjectTypeValidator.sol
subject	uint256	id identifying subject (external to FortaStaking).

Name	Type	Description
[0]	uint256	ERC1155 token id representing inactive shares.

activeToInactive

function activeToInactive(uint256 activeSharesId) internal pure returns (uint256)

Unsets bit 9 of an activeSharesId to mark as inactive

Name	Type	Description
activeSharesId	uint256	ERC1155 token id representing active shares.

Name	Type	Description
[0]	uint256	ERC1155 token id representing inactive shares.

inactiveToActive

function inactiveToActive(uint256 inactiveSharesId) internal pure returns (uint256)

Sets bit 9 of an inactiveSharesId to mark as inactive

Name	Type	Description
inactiveSharesId	uint256	ERC1155 token id representing inactive shares.

Name	Type	Description
[0]	uint256	ERC1155 token id representing active shares.

isActive

function isActive(uint256 sharesId) internal pure returns (bool)

Checks if shares id is active

Name	Type	Description
sharesId	uint256	ERC1155 token id representing shares.

Name	Type	Description
[0]	bool	true if active shares, false if inactive

subjectTypeOfShares

function subjectTypeOfShares(uint256 sharesId) internal pure returns (uint8)

Extracts subject type encoded in shares id

Name	Type	Description
sharesId	uint256	ERC1155 token id representing shares.

Name	Type	Description
[0]	uint8	subject type (see SubjectTypeValidator.sol)