Supporting Initiatives

`supportInitiative()`

function supportInitiative(
    uint256 initiativeId,
    uint256 amount,
    uint256 lockDuration
) external returns (uint256 tokenId)

Parameter	Type	Description
`initiativeId`	`uint256`	Initiative to support. Must be in `Proposed` state.
`amount`	`uint256`	Tokens to lock (wei). Requires prior ERC20 approval.
`lockDuration`	`uint256`	Lock duration in intervals. Must be ≤ `maxLockIntervals`

Returns: tokenId (ERC721 lock NFT).

Data structures

struct TokenLock {
    uint256 initiativeId;
    address supporter;
    uint256 tokenAmount;
    uint256 lockDuration;
    uint256 created;
    bool withdrawn;
}

Events

event InitiativeSupported(uint256 indexed initiativeId, address indexed supporter, uint256 tokenAmount, uint256 lockDuration, uint256 tokenId)

Errors

Error	Condition
`Signals_IncorrectBoardState`	Board not open
`Signals_InvalidID`	Initiative doesn't exist
`Signals_IncorrectInitiativeState`	Initiative not in `Proposed` state
`Signals_InvalidArguments`	Duration is 0 or > `maxLockIntervals`
`Signals_InsufficientTokens`	Balance < `minBalance`
`Signals_InsufficientLockAmount`	Amount < `minLockAmount`
`Signals_InsufficientTokenDuration`	Historical balance < `minBalance`
`Signals_TokenHasNoCheckpointSupport`	Token doesn't implement `IVotes`
`Signals_TokenTransferFailed`	ERC20 transfer reverted