ShareDebtToken
ShareDebtToken
ERC20 compatible token represennting debt position in Silo
It implements reversed approvals (ERC20R) and checks solvency of receiver on transfer. It is assumed that there is no vector attack on taking somone else's debt becasue we don't see economical reason why one would do such thing. For that reason anyone can transfer owner's token to any receiver as long as receiving wallet approves the transfer. In other words, anyone can take someone else's debt without asking.
Methods
allowance
See {IERC20-allowance}.
Parameters
Returns
approve
See {IERC20-approve}. Requirements: - spender
cannot be the zero address.
Parameters
Returns
asset
asset for which this tokens was deployed
Returns
balanceOf
See {IERC20-balanceOf}.
Parameters
Returns
burn
Burn method for Silo to close debt positon
Parameters
decimals
Returns the number of decimals used to get its user representation. For example, if decimals
equals 2
, a balance of 505
tokens should be displayed to a user as 5.05
(505 / 10 ** 2
). Tokens usually opt for a value of 18, imitating the relationship between Ether and Wei. This is the value {ERC20} uses, unless this function is overridden; NOTE: This information is only used for display purposes: it in no way affects any of the arithmetic of the contract, including {IERC20-balanceOf} and {IERC20-transfer}.
Returns
decreaseAllowance
Atomically decreases the allowance granted to spender
by the caller. This is an alternative to {approve} that can be used as a mitigation for problems described in {IERC20-approve}. Emits an {Approval} event indicating the updated allowance. Requirements: - spender
cannot be the zero address. - spender
must have allowance for the caller of at least subtractedValue
.
Parameters
Returns
decreaseReceiveAllowance
Atomically decreases the receive allowance granted to owner
by the caller. This is an alternative to {receive approve} that can be used as a mitigation for problems described in {IERC20-approve}. Emits an {ReceiveApproval} event indicating the updated receive allowance.
Parameters
Returns
increaseAllowance
Atomically increases the allowance granted to spender
by the caller. This is an alternative to {approve} that can be used as a mitigation for problems described in {IERC20-approve}. Emits an {Approval} event indicating the updated allowance. Requirements: - spender
cannot be the zero address.
Parameters
Returns
increaseReceiveAllowance
Atomically increases the receive allowance granted to owner
by the caller. This is an alternative to {receive approve} that can be used as a mitigation for problems described in {IERC20-approve}. Emits an {ReceiveApproval} event indicating the updated receive allowance.
Parameters
Returns
mint
Mint method for Silo to create debt positon
Parameters
name
Returns the name of the token.
Returns
receiveAllowance
Returns the remaining number of tokens that _owner
is allowed to send to _receiver
through {transferFrom}. This is zero by default.
Parameters
Returns
setReceiveApproval
Sets _amount
as the allowance of spender
over the caller's tokens. Returns a boolean value indicating whether the operation succeeded. IMPORTANT: Beware that changing an allowance with this method brings the risk that someone may use both the old and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 OR use increase/decrease approval method instead. Emits an {ReceiveApproval} event.
Parameters
Returns
silo
Silo address for which tokens was deployed
Returns
symbol
Returns token symbol
Returns
totalSupply
See {IERC20-totalSupply}.
Returns
transfer
See {IERC20-transfer}. Requirements: - recipient
cannot be the zero address. - the caller must have a balance of at least amount
.
Parameters
Returns
transferFrom
See {IERC20-transferFrom}. Emits an {Approval} event indicating the updated allowance. This is not required by the EIP. See the note at the beginning of {ERC20}. Requirements: - sender
and recipient
cannot be the zero address. - sender
must have a balance of at least amount
. - the caller must have allowance for sender
's tokens of at least amount
.
Parameters
Returns
Events
Approval
Parameters
NotificationSent
Emitted every time receiver is notified about token transfer
Parameters
ReceiveApproval
Parameters
Transfer
Parameters
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