Frax Share (FXS)
Modified ERC-20 Contract representing the FXS token, which is used for staking and governance actions surrounding the FRAX stablecoin.
Chain | Address |
|---|---|
Arbitrum | 0x9d2F299715D94d8A7E6F5eaa8E654E8c74a988A7 |
Aurora | 0xBb8831701E68B99616bF940b7DafBeb4CDb23e0b |
Avalanche | 0x214DB107654fF987AD859F34125307783fC8e387 |
Boba | 0xae8871A949F255B12704A98c00C2293354a36013 |
BSC | 0xe48A3d7d0Bc88d552f730B62c006bC925eadB9eE |
Ethereum | 0x3432B6A60D23Ca0dFCa7761B7ab56459D9C964D0 |
Evmos | 0xd8176865DD0D672c6Ab4A427572f80A72b4B4A9C |
Fantom | 0x7d016eec9c25232b01F23EF992D98ca97fc2AF5a |
Harmony | 0x0767D8E1b05eFA8d6A301a65b324B6b66A1CC14c |
Moonbeam | 0x2CC0A9D8047A5011dEfe85328a6f26968C8aaA1C |
Moonriver | 0x6f1D1Ee50846Fcbc3de91723E61cb68CFa6D0E98 |
Optimism | 0x67CCEA5bb16181E7b4109c9c2143c24a1c2205Be |
Polygon | 0x1a3acf6D19267E2d3e7f898f42803e90C9219062 |
Solana | 6LX8BhMQ4Sy2otmAWj7Y5sKd9YTVVUgfMsBzT6B9W7ct |
address public FRAXStablecoinAdd
Address of the FRAX contract.
uint256 genesis_supply
Genesis supply of FXS.
uint256 public maximum_supply
Maximum supply of FXS.
uint256 public FXS_DAO_min
Minimum FXS required to join DAO groups.
address public owner_address
Address of the contract owner.
address public oracle_address
Address of the oracle.
address public timelock_address
Address of the timelock.
FRAXStablecoin private FRAX
The FRAX contract instance.
struct Checkpoint {
uint32 fromBlock;
uint96 votes;
}
From Compound Finance. Used for governance voting.
mapping (address => mapping (uint32 => Checkpoint)) public checkpoints
List of voting power for a given address, at a given block.
mapping (address => uint32) public numCheckpoints
Checkpoint count for an address.
setOracle
setOracle(address new_oracle) external onlyByOracle
Change the address of the price oracle.
setFRAXAddress
setFRAXAddress(address frax_contract_address) external onlyByOracle
Set the address of the FRAX contract.
setFXSMinDAO
setFXSMinDAO(uint256 min_FXS) external onlyByOracle
Set minimum FXS required to join DAO groups.
mint
mint(address to, uint256 amount) public onlyPools
Mint new FXS tokens.
pool_mint
pool_mint(address m_address, uint256 m_amount) external onlyPools
This function is what other FRAX pools will call to mint new FXS (similar to the FRAX mint).
pool_burn_from
pool_burn_from(address b_address, uint256 b_amount) external onlyPools
This function is what other FRAX pools will call to burn FXS.
transfer
transfer(address recipient, uint256 amount) public virtual override returns (bool)
Transfer FXS tokens.
transferFrom
transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool)
Transfer FXS tokens from another account. Must have an allowance set beforehand.
getCurrentVotes
getCurrentVotes(address account) external view returns (uint96)
Gets the current votes balance for
account.getPriorVotes
getPriorVotes(address account, uint blockNumber) public view returns (uint96)
Determine the prior number of votes for an account as of a block number. Block number must be a finalized block or else this function will revert to prevent misinformation.
_moveDelegates
_moveDelegates(address srcRep, address dstRep, uint96 amount) internal
Misnomer, from Compound Finance's
_moveDelegates. Helps keep track of available voting power for FXS holders._writeCheckpoint
_writeCheckpoint(address voter, uint32 nCheckpoints, uint96 oldVotes, uint96 newVotes) internal
From Compound Finance's governance scheme. Helps keep track of available voting power for FXS holders at a specific block. Called when a FXS token transfer, mint, or burn occurs.
safe32
safe32(uint n, string memory errorMessage) internal pure returns (uint32)
Make sure the provided int is 32 bits or less, and convert it to a uint32.
safe96
safe96(uint n, string memory errorMessage) internal pure returns (uint96)
Make sure the provided int is 96 bits or less, and convert it to a uint96.
add96
add96(uint96 a, uint96 b, string memory errorMessage) internal pure returns (uint96)
Add two uint96 integers safely.
sub96
sub96(uint96 a, uint96 b, string memory errorMessage) internal pure returns (uint96)
Subtract two uint96 integers safely.
getChainId
getChainId() internal pure returns (uint)
Return the Ethereum chain ID the contract is deployed on
VoterVotesChanged
VoterVotesChanged(address indexed voter, uint previousBalance, uint newBalance)
Emitted when a voters account's vote balance changes
FXSBurned
FXSBurned(address indexed from, address indexed to, uint256 amount)
Emitted when FXS is burned, usually from a redemption by the pool
onlyPools
onlyPools()
Restrict actions to pool contracts, e.g. minting new FXS.
onlyByOracle
onlyByOracle()
Restrict actions to the oracle, such as setting the FRAX and oracle addresses