FiatTokenV2_2

Unichain ERC-20 Token

0x078d782b760474a361dda0af3839290b0ef57ad6

Proxy 實作合約： 0xbe959c573dc03a18a57e31c9ace210ccf66f0f6e

Solidity v0.6.12+commit.27d51765

Fungible token following the ERC-20 standard.

🤖

透過你的 AI 查詢此合約

參考： 0x078d782b760474a361dda0af3839290b0ef57ad6

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Unichain 在 Smarts 上是僅文件鏈：原始碼和 ABI 已索引，但目前不提供即時鏈上資料（狀態、最新事件、管理員概覽）。AI 代理仍可透過 MCP 呼叫 get_contract_info 和 get_contract_source。

概覽

讀取函式

寫入函式

事件

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	The EIP-712 type hash (bytes32) for the CancelAuthorization struct.✨ AI

DOMAIN_SEPARATOR() view

Get the EIP712 Domain Separator.

回傳值

名稱	類型	描述
—	bytes32	The bytes32 EIP712 domain separator.

PERMIT_TYPEHASH() view

Returns the EIP-712 type hash used for permit (EIP-2612) signatures.✨ AI

回傳值

名稱	類型	描述
—	bytes32	The bytes32 keccak256 type hash used to construct permit signature digests.✨ AI

RECEIVE_WITH_AUTHORIZATION_TYPEHASH() view

Return the bytes32 type hash used to encode and verify receiveWithAuthorization authorizations.✨ AI

回傳值

名稱	類型	描述
—	bytes32	The bytes32 typehash for the receiveWithAuthorization struct used to construct and validate authorizations.✨ AI

TRANSFER_WITH_AUTHORIZATION_TYPEHASH() view

Returns the EIP-712 type hash used for transferWithAuthorization messages.✨ AI

回傳值

名稱	類型	描述
—	bytes32	Type hash (bytes32) used to build and verify EIP-712 transferWithAuthorization signatures.✨ AI

allowance(owner: address, spender: address) view

Gets the remaining amount of fiat tokens a spender is allowed to transfer on behalf of the token owner.

參數

名稱	類型	描述
owner	address	The token owner's address.
spender	address	The spender's address.

回傳值

名稱	類型	描述
—	uint256	The remaining allowance.

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

Gets the fiat token balance of an account.

參數

名稱	類型	描述
account	address	The address to check.

回傳值

名稱	類型	描述
—	uint256	balance The fiat token balance of the account.

blacklister() view

Return the address that is authorized to add or remove accounts from the blacklist.✨ AI

回傳值

名稱	類型	描述
—	address	The address currently assigned the blacklister role with permission to blacklist or unblacklist accounts.✨ AI

currency() view

Return the token's currency code used by this contract.✨ AI

回傳值

名稱	類型	描述
—	string	The token currency code (e.g., USD) as a string.✨ AI

decimals() view

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

回傳值

名稱	類型	描述
—	uint8	Token decimals as an unsigned 8-bit integer indicating the number of decimal places.✨ AI

isBlacklisted(_account: address) view

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 if the account is not blacklisted.

isMinter(account: address) view

Checks if an 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 a minter, false if the account is not a minter.

masterMinter() view

Returns the address of the current master minter.✨ AI

回傳值

名稱	類型	描述
—	address	Address of the account that currently holds the masterMinter role and may authorize minters.✨ AI

minterAllowance(minter: address) view

Gets the minter allowance for an account.

參數

名稱	類型	描述
minter	address	The address to check.

回傳值

名稱	類型	描述
—	uint256	The remaining minter allowance for the account.

name() view

Returns the token's name.✨ AI

回傳值

名稱	類型	描述
—	string	Token name as a human-readable string.✨ 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

Returns true when token transfers and administrative actions are paused.✨ AI

回傳值

名稱	類型	描述
—	bool	True if the contract is paused and normal token operations are disabled, otherwise false.✨ AI

pauser() view

Returns the address currently assigned the pauser role.✨ AI

回傳值

名稱	類型	描述
—	address	Address of the account that can pause and unpause token transfers.✨ 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 short symbol used by wallets and block explorers.✨ AI

回傳值

名稱	類型	描述
—	string	The token symbol string (for example, "USDC"), used for display and identification.✨ AI

totalSupply() view

Gets the totalSupply of the fiat token.

回傳值

名稱	類型	描述
—	uint256	The totalSupply of the fiat token.

version() pure

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

Sets a fiat token allowance for a spender to spend on behalf of the caller.

參數

名稱	類型	描述
spender	address	The spender's address.
value	uint256	The allowance amount.

回傳值

名稱	類型	描述
—	bool	True if the operation was successful.

blacklist(_account: address) nonpayable

Adds account to blacklist.

參數

名稱	類型	描述
_account	address	The address to blacklist.

burn(_amount: uint256) nonpayable

Allows a minter to burn some of its own tokens.

開發者： The caller must be a minter, must not be blacklisted, and the amount to burn should be less than or equal to the account's balance.

參數

名稱	類型	描述
_amount	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. EOA wallet signatures should be packed in the order of r, s, v.

參數

名稱	類型	描述
authorizer	address	Authorizer's address
nonce	bytes32	Nonce of the authorization
v	uint8
r	bytes32
s	bytes32

cancelAuthorization(authorizer: address, nonce: bytes32, signature: bytes) nonpayable

Attempt to cancel an authorization

開發者： Works only if the authorization is not yet used. EOA wallet signatures should be packed in the order of r, s, v.

參數

名稱	類型	描述
authorizer	address	Authorizer's address
nonce	bytes32	Nonce of the authorization
signature	bytes	Signature bytes signed by an EOA wallet or a contract wallet

configureMinter(minter: address, minterAllowedAmount: uint256) nonpayable

Adds or updates a new minter with a mint allowance.

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

Initializes the fiat token contract.

參數

名稱	類型	描述
tokenName	string	The name of the fiat token.
tokenSymbol	string	The symbol of the fiat token.
tokenCurrency	string	The fiat currency that the token represents.
tokenDecimals	uint8	The number of decimals that the token uses.
newMasterMinter	address	The masterMinter address for the fiat token.
newPauser	address	The pauser address for the fiat token.
newBlacklister	address	The blacklister address for the fiat token.
newOwner	address	The owner of the fiat token.

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

initializeV2_2(accountsToBlacklist: address[], newSymbol: string) nonpayable

Initialize v2.2

參數

名稱	類型	描述
accountsToBlacklist	address[]	A list of accounts to migrate from the old blacklist
newSymbol	string	New token symbol data structure to the new blacklist data structure.

mint(_to: address, _amount: uint256) nonpayable

Mints fiat tokens to an address.

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	True if the operation was successful.

pause() nonpayable

Pause the contract to stop token transfers and other pause-protected operations.✨ AI

開發者： called by the owner to pause, triggers stopped state

permit(owner: address, spender: address, value: uint256, deadline: uint256, signature: bytes) nonpayable

Update allowance with a signed permit

開發者： EOA wallet signatures should be packed in the order of r, s, v.

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	The time at which the signature expires (unix time), or max uint256 value to signal no expiration
signature	bytes	Signature bytes signed by an EOA wallet or a contract wallet

permit(owner: address, spender: address, value: uint256, deadline: uint256, v: uint8, r: bytes32, s: bytes32) nonpayable

Update allowance with a signed permit

開發者： EOA wallet signatures should be packed in the order of r, s, v.

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	The time at which the signature expires (unix time), or max uint256 value to signal no expiration
v	uint8
r	bytes32
s	bytes32

receiveWithAuthorization(from: address, to: address, value: uint256, validAfter: uint256, validBefore: uint256, nonce: bytes32, signature: bytes) 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. EOA wallet signatures should be packed in the order of r, s, v.

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
signature	bytes	Signature bytes signed by an EOA wallet or a contract wallet

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

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
r	bytes32
s	bytes32

removeMinter(minter: address) nonpayable

Removes 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

Transfers tokens from the caller.

參數

名稱	類型	描述
to	address	Payee's address.
value	uint256	Transfer amount.

回傳值

名稱	類型	描述
—	bool	True if the operation was successful.

transferFrom(from: address, to: address, value: uint256) nonpayable

Transfers tokens from an address to another by spending the caller's allowance.

開發者： The caller must have some fiat token allowance on the payer's tokens.

參數

名稱	類型	描述
from	address	Payer's address.
to	address	Payee's address.
value	uint256	Transfer amount.

回傳值

名稱	類型	描述
—	bool	True if the operation was successful.

transferOwnership(newOwner: address) nonpayable

Transfers contract ownership to the specified newOwner address.✨ AI

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, signature: bytes) nonpayable

Execute a transfer with a signed authorization

開發者： EOA wallet signatures should be packed in the order of r, s, v.

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
signature	bytes	Signature bytes signed by an EOA wallet or a contract wallet

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

開發者： EOA wallet signatures should be packed in the order of r, s, v.

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
r	bytes32
s	bytes32

unBlacklist(_account: address) nonpayable

Removes account from blacklist.

參數

名稱	類型	描述
_account	address	The address to remove from the blacklist.

unpause() nonpayable

Unpause the contract to resume all paused token operations.✨ AI

開發者： called by the owner to unpause, returns to normal state

updateBlacklister(_newBlacklister: address) nonpayable

Updates the blacklister address.

參數

名稱	類型	描述
_newBlacklister	address	The address of the new blacklister.

updateMasterMinter(_newMasterMinter: address) nonpayable

Updates the master minter address.

參數

名稱	類型	描述
_newMasterMinter	address	The address of the new master minter.

updatePauser(_newPauser: address) nonpayable

Updates the pauser address.

參數

名稱	類型	描述
_newPauser	address	The address of the new pauser.

updateRescuer(newRescuer: address) nonpayable

Updates the rescuer address.

參數

名稱	類型	描述
newRescuer	address	The address of the new rescuer.

事件

Approval(owner: address, spender: address, value: uint256)

名稱	類型	已索引
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
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
from	address	✓
to	address	✓
value	uint256

UnBlacklisted(_account: address)

名稱	類型	已索引	描述
_account	address	✓

Unpause()