FiatTokenV2_1

Linea ERC-20 Token

0x176211869ca2b568f2a7d4ee941e073a821ee1ff

Proxy 實作合約： 0xab838fe7d492c621a5b1b23952af99cc37a2e0d3

Solidity v0.6.12+commit.27d51765

Fungible token following the ERC-20 standard.

🤖
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參考： 0x176211869ca2b568f2a7d4ee941e073a821ee1ff
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概覽

讀取函式
24
寫入函式
26
事件
17

讀取函式

CANCEL_AUTHORIZATION_TYPEHASH() view

Returns the EIP-712 type hash used for canceling authorizations.✨ AI

回傳值

名稱 類型 描述
— bytes32 bytes32: the EIP-712 type hash for the CancelAuthorization struct used when encoding off-chain signatures.✨ AI
DOMAIN_SEPARATOR() view

Get the EIP-712 domain separator used for signing permits and typed data.✨ AI

回傳值

名稱 類型 描述
— bytes32 The 32-byte EIP-712 domain separator that ties signatures to this contract and chain.✨ AI
PERMIT_TYPEHASH() view

Returns the EIP-712 typehash used by permit signatures for off-chain allowance approvals.✨ AI

回傳值

名稱 類型 描述
— bytes32 The bytes32 EIP-2612/EIP-712 typehash used to construct and verify permit() signatures.✨ AI
RECEIVE_WITH_AUTHORIZATION_TYPEHASH() view

Returns the EIP-712 type hash used to build receiveWithAuthorization messages.✨ AI

回傳值

名稱 類型 描述
— bytes32 The bytes32 EIP-712 type hash for the ReceiveWithAuthorization struct.✨ AI
TRANSFER_WITH_AUTHORIZATION_TYPEHASH() view

Returns the EIP-712 type hash used when validating transferWithAuthorization signatures.✨ AI

回傳值

名稱 類型 描述
— bytes32 The 32-byte EIP-712 type hash constant for transferWithAuthorization authorization payloads.✨ AI
allowance(owner: address, spender: address) view

Return the current remaining number of tokens that spender is allowed to transfer from owner.✨ AI

開發者： Returns the remaining number of tokens that `spender` will be allowed to spend on behalf of `owner` through {transferFrom}. This is zero by default. This value changes when {approve} or {transferFrom} are called.

參數

名稱 類型 描述
owner address Owner address whose allowance is being queried.✨ AI
spender address Spender address authorized to transfer tokens from the owner.✨ AI

回傳值

名稱 類型 描述
— uint256 Remaining allowance the spender may transfer from owner, expressed in the token's smallest units (uint256).✨ AI
authorizationState(authorizer: address, nonce: bytes32) view

Returns the state of an authorization

開發者： Nonces are randomly generated 32-byte data unique to the authorizer's address

參數

名稱 類型 描述
authorizer address Authorizer's address
nonce bytes32 Nonce of the authorization

回傳值

名稱 類型 描述
— bool True if the nonce is used
balanceOf(account: address) view

Returns the token balance of the given account.✨ AI

開發者： Returns the amount of tokens owned by `account`.

參數

名稱 類型 描述
account address Address whose token balance will be returned.✨ AI

回傳值

名稱 類型 描述
— uint256 The token balance of the specified account as an unsigned 256-bit integer.✨ AI
blacklister() view

Returns the address assigned as the contract's blacklister.✨ AI

回傳值

名稱 類型 描述
— address The address that has permission to add or remove accounts from the blacklist.✨ AI
currency() view

Returns the token's currency identifier string used for display and off-chain accounting.✨ AI

回傳值

名稱 類型 描述
— string A string containing the token's currency code or name (for example, "USD").✨ AI
decimals() view

Returns the number of decimal places used by the token.✨ AI

回傳值

名稱 類型 描述
— uint8 The number of decimal places (uint8) used to format token balances and amounts.✨ AI
isBlacklisted(_account: address) view

Check whether an account is blacklisted.✨ AI

開發者： Checks if account is blacklisted

參數

名稱 類型 描述
_account address The address to check

回傳值

名稱 類型 描述
— bool True if the account is blacklisted, false otherwise.✨ AI
isMinter(account: address) view

Checks whether the provided address currently has the minter role.✨ AI

開發者： Checks if account is a minter

參數

名稱 類型 描述
account address The address to check

回傳值

名稱 類型 描述
— bool True if the account is authorized to mint tokens, otherwise false.✨ AI
masterMinter() view

Returns the address of the current master minter.✨ AI

回傳值

名稱 類型 描述
— address Address of the current master minter account.✨ AI
minterAllowance(minter: address) view

Return the remaining token minting allowance assigned to a minter address.✨ AI

開發者： Get minter allowance for an account

參數

名稱 類型 描述
minter address The address of the minter

回傳值

名稱 類型 描述
— uint256 Remaining number of tokens the minter is allowed to mint (in token smallest units).✨ AI
name() view

Returns the token's name.✨ AI

回傳值

名稱 類型 描述
— string The token's descriptive name as a string, e.g. "Fiat Token".✨ AI
nonces(owner: address) view

Nonces for permit

參數

名稱 類型 描述
owner address Token owner's address (Authorizer)

回傳值

名稱 類型 描述
— uint256 Next nonce
owner() view

Returns the address of the contract owner.✨ AI

開發者： Tells the address of the owner

回傳值

名稱 類型 描述
— address the address of the owner
paused() view

Indicates whether the token contract is paused.✨ AI

回傳值

名稱 類型 描述
— bool True if the contract is paused; when paused, transfers and other restricted actions are disabled.✨ AI
pauser() view

Returns the address that currently holds the pauser role.✨ AI

回傳值

名稱 類型 描述
— address Address that can pause and unpause the token contract.✨ AI
rescuer() view

Returns current rescuer

回傳值

名稱 類型 描述
— address Rescuer's address
symbol() view

Returns the token's symbol (short ticker) as a string.✨ AI

回傳值

名稱 類型 描述
— string The token's short symbol (ticker) string.✨ AI
totalSupply() view

Returns the total number of tokens in existence.✨ AI

開發者： Returns the amount of tokens in existence.

回傳值

名稱 類型 描述
— uint256 Total number of tokens in existence, denominated in the token's smallest unit (uint256).✨ AI
version() view

Version string for the EIP712 domain separator

回傳值

名稱 類型 描述
— string Version string

寫入函式

approve(spender: address, value: uint256) nonpayable

Approve spender to transfer up to value tokens from the caller's balance.✨ AI

開發者： 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 Emits an {Approval} event.

參數

名稱 類型 描述
spender address Address approved to spend tokens on caller's behalf.✨ AI
value uint256 Maximum number of tokens the spender is allowed to transfer.✨ AI

回傳值

名稱 類型 描述
— bool True if the approval succeeded.✨ AI
blacklist(_account: address) nonpayable

Blacklists an account, preventing it from transferring or receiving tokens and enabling enforcement of restrictions.✨ AI

開發者： Adds account to blacklist

參數

名稱 類型 描述
_account address The address to blacklist
burn(_amount: uint256) nonpayable

Burns a specified amount of tokens from the caller, reducing their balance and the total supply.✨ AI

開發者： allows a minter to burn some of its own tokens Validates that caller is a minter and that sender is not blacklisted amount is less than or equal to the minter's account balance

參數

名稱 類型 描述
_amount uint256 uint256 the amount of tokens to be burned
cancelAuthorization(authorizer: address, nonce: bytes32, v: uint8, r: bytes32, s: bytes32) nonpayable

Attempt to cancel an authorization

開發者： Works only if the authorization is not yet used.

參數

名稱 類型 描述
authorizer address Authorizer's address
nonce bytes32 Nonce of the authorization
v uint8 v of the signature
r bytes32 r of the signature
s bytes32 s of the signature
configureMinter(minter: address, minterAllowedAmount: uint256) nonpayable

Set or update the allowed minting allowance for a minter address.✨ AI

開發者： Function to add/update a new minter

參數

名稱 類型 描述
minter address The address of the minter
minterAllowedAmount uint256 The minting amount allowed for the minter

回傳值

名稱 類型 描述
— bool True if the operation was successful.
decreaseAllowance(spender: address, decrement: uint256) nonpayable

Decrease the allowance by a given decrement

參數

名稱 類型 描述
spender address Spender's address
decrement uint256 Amount of decrease in allowance

回傳值

名稱 類型 描述
— bool True if successful
increaseAllowance(spender: address, increment: uint256) nonpayable

Increase the allowance by a given increment

參數

名稱 類型 描述
spender address Spender's address
increment uint256 Amount of increase in allowance

回傳值

名稱 類型 描述
— bool True if successful
initialize(tokenName: string, tokenSymbol: string, tokenCurrency: string, tokenDecimals: uint8, newMasterMinter: address, newPauser: address, newBlacklister: address, newOwner: address) nonpayable

Initialize sets the token name, symbol, currency, decimals, and assigns initial master minter, pauser, blacklister, and owner.✨ AI

參數

名稱 類型 描述
tokenName string Human-readable name of the token (e.g., 'USD Coin').✨ AI
tokenSymbol string Ticker symbol for the token (e.g., 'USDC').✨ AI
tokenCurrency string String identifying the currency represented by the token.✨ AI
tokenDecimals uint8 Number of decimal places the token uses.✨ AI
newMasterMinter address Address to be granted the master minter role.✨ AI
newPauser address Address to be granted the pauser role.✨ AI
newBlacklister address Address to be granted the blacklister role.✨ AI
newOwner address Address to be set as the contract owner.✨ AI
initializeV2(newName: string) nonpayable

Initialize v2

參數

名稱 類型 描述
newName string New token name
initializeV2_1(lostAndFound: address) nonpayable

Initialize v2.1

參數

名稱 類型 描述
lostAndFound address The address to which the locked funds are sent
mint(_to: address, _amount: uint256) nonpayable

Mint tokens to a recipient, increasing the total supply and assigning the amount to the given address.✨ AI

開發者： Function to mint tokens

參數

名稱 類型 描述
_to address The address that will receive the minted tokens.
_amount uint256 The amount of tokens to mint. Must be less than or equal to the minterAllowance of the caller.

回傳值

名稱 類型 描述
— bool A boolean that indicates if the operation was successful.
pause() nonpayable

Pause all token transfers and related ERC-20 operations.✨ AI

開發者： called by the owner to pause, triggers stopped state
permit(owner: address, spender: address, value: uint256, deadline: uint256, v: uint8, r: bytes32, s: bytes32) nonpayable

Update allowance with a signed permit

參數

名稱 類型 描述
owner address Token owner's address (Authorizer)
spender address Spender's address
value uint256 Amount of allowance
deadline uint256 Expiration time, seconds since the epoch
v uint8 v of the signature
r bytes32 r of the signature
s bytes32 s of the signature
receiveWithAuthorization(from: address, to: address, value: uint256, validAfter: uint256, validBefore: uint256, nonce: bytes32, v: uint8, r: bytes32, s: bytes32) nonpayable

Receive a transfer with a signed authorization from the payer

開發者： This has an additional check to ensure that the payee's address matches the caller of this function to prevent front-running attacks.

參數

名稱 類型 描述
from address Payer's address (Authorizer)
to address Payee's address
value uint256 Amount to be transferred
validAfter uint256 The time after which this is valid (unix time)
validBefore uint256 The time before which this is valid (unix time)
nonce bytes32 Unique nonce
v uint8 v of the signature
r bytes32 r of the signature
s bytes32 s of the signature
removeMinter(minter: address) nonpayable

Revokes the minter role from the specified address.✨ AI

開發者： Function to remove a minter

參數

名稱 類型 描述
minter address The address of the minter to remove

回傳值

名稱 類型 描述
— bool True if the operation was successful.
rescueERC20(tokenContract: address, to: address, amount: uint256) nonpayable

Rescue ERC20 tokens locked up in this contract.

參數

名稱 類型 描述
tokenContract address ERC20 token contract address
to address Recipient address
amount uint256 Amount to withdraw
transfer(to: address, value: uint256) nonpayable

Transfer tokens from the caller's account to a recipient address.✨ AI

開發者： Moves `amount` tokens from the caller's account to `recipient`. Returns a boolean value indicating whether the operation succeeded. Emits a {Transfer} event.

參數

名稱 類型 描述
to address Recipient address that will receive the tokens.✨ AI
value uint256 Amount of tokens to transfer, expressed in the token's smallest unit.✨ AI

回傳值

名稱 類型 描述
— bool True if the transfer succeeded.✨ AI
transferFrom(from: address, to: address, value: uint256) nonpayable

Transfer tokens from one account to another using the caller's approved allowance.✨ AI

開發者： Moves `amount` tokens from `sender` to `recipient` using the allowance mechanism. `amount` is then deducted from the caller's allowance. Returns a boolean value indicating whether the operation succeeded. Emits a {Transfer} event.

參數

名稱 類型 描述
from address Address to debit the tokens from (must have approved the caller).✨ AI
to address Address to credit the tokens to.✨ AI
value uint256 Amount of tokens to transfer, expressed in the token's smallest unit.✨ AI

回傳值

名稱 類型 描述
— bool True if the transfer and allowance update succeeded, otherwise false.✨ AI
transferOwnership(newOwner: address) nonpayable
開發者： Allows the current owner to transfer control of the contract to a newOwner.

參數

名稱 類型 描述
newOwner address The address to transfer ownership to.
transferWithAuthorization(from: address, to: address, value: uint256, validAfter: uint256, validBefore: uint256, nonce: bytes32, v: uint8, r: bytes32, s: bytes32) nonpayable

Execute a transfer with a signed authorization

參數

名稱 類型 描述
from address Payer's address (Authorizer)
to address Payee's address
value uint256 Amount to be transferred
validAfter uint256 The time after which this is valid (unix time)
validBefore uint256 The time before which this is valid (unix time)
nonce bytes32 Unique nonce
v uint8 v of the signature
r bytes32 r of the signature
s bytes32 s of the signature
unBlacklist(_account: address) nonpayable
開發者： Removes account from blacklist

參數

名稱 類型 描述
_account address The address to remove from the blacklist
unpause() nonpayable
開發者： called by the owner to unpause, returns to normal state
updateBlacklister(_newBlacklister: address) nonpayable

參數

名稱 類型 描述
_newBlacklister address
updateMasterMinter(_newMasterMinter: address) nonpayable

參數

名稱 類型 描述
_newMasterMinter address
updatePauser(_newPauser: address) nonpayable
開發者： update the pauser role

參數

名稱 類型 描述
_newPauser address
updateRescuer(newRescuer: address) nonpayable

Assign the rescuer role to a given address.

參數

名稱 類型 描述
newRescuer address New rescuer's address

事件

Approval(owner: address, spender: address, value: uint256)
名稱 類型 已索引 描述
owner address ✓
spender address ✓
value uint256
AuthorizationCanceled(authorizer: address, nonce: bytes32)
名稱 類型 已索引 描述
authorizer address ✓
nonce bytes32 ✓
AuthorizationUsed(authorizer: address, nonce: bytes32)
名稱 類型 已索引 描述
authorizer address ✓
nonce bytes32 ✓
Blacklisted(_account: address)
名稱 類型 已索引 描述
_account address ✓
BlacklisterChanged(newBlacklister: address)
名稱 類型 已索引 描述
newBlacklister address ✓
Burn(burner: address, amount: uint256)
名稱 類型 已索引 描述
burner address ✓
amount uint256
MasterMinterChanged(newMasterMinter: address)
名稱 類型 已索引 描述
newMasterMinter address ✓
Mint(minter: address, to: address, amount: uint256)
名稱 類型 已索引 描述
minter address ✓
to address ✓
amount uint256
MinterConfigured(minter: address, minterAllowedAmount: uint256)
名稱 類型 已索引 描述
minter address ✓
minterAllowedAmount uint256
MinterRemoved(oldMinter: address)
名稱 類型 已索引 描述
oldMinter address ✓
OwnershipTransferred(previousOwner: address, newOwner: address)
名稱 類型 已索引 描述
previousOwner address representing the address of the previous owner
newOwner address representing the address of the new owner
Pause()
PauserChanged(newAddress: address)
名稱 類型 已索引 描述
newAddress address ✓
RescuerChanged(newRescuer: address)
名稱 類型 已索引 描述
newRescuer address ✓
Transfer(from: address, to: address, value: uint256)
名稱 類型 已索引 描述
from address ✓
to address ✓
value uint256
UnBlacklisted(_account: address)
名稱 類型 已索引 描述
_account address ✓
Unpause()