ARB

Arbitrum One ERC-20 Token

0x912ce59144191c1204e64559fe8253a0e49e6548

Proxy 实现合约： 0xd47d14a315394ddf063174f2286ab4eb7c507fa0

Solidity v0.8.16+commit.07a7930e

Fungible token following the ERC-20 standard.

🤖
通过你的 AI 查询此合约
引用： arb-arbitrum 0x912ce59144191c1204e64559fe8253a0e49e6548
示例提示词： "Tell me the current state of arb-arbitrum"
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管理与风险

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Block #25,177,568

Detected upgradeable, mintable, and ownable controls from the verified ABI.

Upgradeable Mintable Ownable

当前控制

Implementation
0xd47d14a315394ddf063174f2286ab4eb7c507fa0 ↗ Arbiscan → smarts proxy
Owner
0xcf57572261c7c2bcf21ffd220ea7d1a27d40a827 ↗ Arbiscan → smarts

近期治理

130 privileged events loaded. 最新： DelegateVotesChanged at block #466,768,449.

概览

读取函数
22
写入函数
17
事件
8

读取函数

Block #25,177,568 · 53s ago
DOMAIN_SEPARATOR() view → 0x81e28e6f37e32d4756bbeaf3c057b82178ac53398af819adfc680fad31b2ecd5

Return the EIP-712 domain separator used to build typed-data hashes for signatures.✨ AI

返回值

名称 类型 描述
— bytes32 EIP-712 domain separator (bytes32) used with permit and other typed-data signature schemes.✨ AI
MINT_CAP_DENOMINATOR() view → 10,000

Returns the denominator used to compute the token mint cap fraction.✨ AI

返回值

名称 类型 描述
— uint256 Denominator value used to compute the maximum mint cap fraction (used with the MINT_CAP numerator).✨ AI
MINT_CAP_NUMERATOR() view → 200

Returns the numerator used in the contract's mint cap calculation.✨ AI

返回值

名称 类型 描述
— uint256 Numerator of the mint cap fraction used to limit token minting.✨ AI
MIN_MINT_INTERVAL() view → 31,536,000

Shows the minimum time interval, in seconds, required between consecutive mint operations.✨ AI

返回值

名称 类型 描述
— uint256 The minimum time interval in seconds that must elapse between successive mint calls.✨ AI
allowance(owner: address, spender: address) view

Return the remaining number of tokens that spender is allowed to spend on behalf of owner.✨ AI

开发者： See {IERC20-allowance}.

参数

名称 类型 描述
owner address Address that owns the tokens.✨ AI
spender address Address approved to spend the tokens.✨ AI

返回值

名称 类型 描述
— uint256 Remaining allowance in token units that spender can spend from owner.✨ AI
balanceOf(account: address) view

Returns the token balance of the specified account.✨ AI

开发者： See {IERC20-balanceOf}.

参数

名称 类型 描述
account address The account address to query the token balance for.✨ AI

返回值

名称 类型 描述
— uint256 The account's token balance as a uint256.✨ AI
checkpoints(account: address, pos: uint32) view

Return the checkpoint at a given index for an account's voting power history.✨ AI

开发者： Get the `pos`-th checkpoint for `account`.

参数

名称 类型 描述
account address Address whose checkpoint is being queried.✨ AI
pos uint32 Zero-based index of the checkpoint to return.✨ AI

返回值

名称 类型 描述
— tuple Checkpoint block number when the votes were recorded (uint32).✨ AI
decimals() view → 18

Returns the token's number of decimal places.✨ AI

开发者： 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}.

返回值

名称 类型 描述
— uint8 The token's decimals as an unsigned 8-bit integer, indicating how many decimal places the token uses.✨ AI
delegates(account: address) view

Returns the address to which an account has delegated its voting power.✨ AI

开发者： Get the address `account` is currently delegating to.

参数

名称 类型 描述
account address The account whose delegate is being queried.✨ AI

返回值

名称 类型 描述
— address The delegatee address receiving the account's delegated voting power; zero address if none.✨ AI
getPastTotalSupply(blockNumber: uint256) view

Return the token total supply as of the specified block.✨ AI

开发者： Retrieve the `totalSupply` at the end of `blockNumber`. Note, this value is the sum of all balances. It is but NOT the sum of all the delegated votes! Requirements: - `blockNumber` must have been already mined

参数

名称 类型 描述
blockNumber uint256 Block number to read the historical total supply for.✨ AI

返回值

名称 类型 描述
— uint256 Total token supply as recorded at the specified block via contract checkpoints.✨ AI
getPastVotes(account: address, blockNumber: uint256) view

Return the voting power that account held at the specified block.✨ AI

开发者： Retrieve the number of votes for `account` at the end of `blockNumber`. Requirements: - `blockNumber` must have been already mined

参数

名称 类型 描述
account address Address whose past votes to query.✨ AI
blockNumber uint256 Block number at which to read votes (must be <= current block).✨ AI

返回值

名称 类型 描述
— uint256 The uint256 vote count that account had at the end of the specified block.✨ AI
getTotalDelegation() view → 5,442,315,252,805,651,945,410,167,938

Get the current total delegation

返回值

名称 类型 描述
— uint256 The current total delegation
getTotalDelegationAt(blockNumber: uint256) view

Get the total delegation at a specific block number If the blockNumber is prior to the first checkpoint, returns 0

参数

名称 类型 描述
blockNumber uint256 The block number to get the total delegation at

返回值

名称 类型 描述
— uint256 The total delegation at the given block number
getVotes(account: address) view

Return the current voting power for a specified account.✨ AI

开发者： Gets the current votes balance for `account`

参数

名称 类型 描述
account address Address to query current votes for.✨ AI

返回值

名称 类型 描述
— uint256 Current number of votes held by the account (uint256).✨ AI
l1Address() view → 0xb50721bcf8d664c30412cfbc6cf7a15145234ad1

Returns the L1 token contract address that this L2 Arbitrum ERC-20 token represents.✨ AI

返回值

名称 类型 描述
— address Address of the corresponding L1 ERC-20 token contract.✨ AI
name() view → Arbitrum

Returns the token's name.✨ AI

开发者： Returns the name of the token.

返回值

名称 类型 描述
— string The token name as a string.✨ AI
nextMint() view → 1,710,504,508

Returns the number of tokens scheduled to be minted in the next mint operation.✨ AI

返回值

名称 类型 描述
— uint256 Number of tokens that will be minted by the next mint call, expressed in the token's smallest unit.✨ AI
nonces(owner: address) view

Provide the current replay-protection nonce for an owner used by permit signatures.✨ AI

开发者： See {IERC20Permit-nonces}.

参数

名称 类型 描述
owner address Address whose permit nonce is returned.✨ AI

返回值

名称 类型 描述
— uint256 Current uint256 nonce for the owner; increments after each successful permit to prevent replay.✨ AI
numCheckpoints(account: address) view

Get the number of voting checkpoints recorded for an account.✨ AI

开发者： Get number of checkpoints for `account`.

参数

名称 类型 描述
account address Account address to query the stored number of voting checkpoints.✨ AI

返回值

名称 类型 描述
— uint32 The count of checkpoints for the account (uint32), i.e., how many historical vote records exist.✨ AI
owner() view → 0xcf57572261c7c2bcf21ffd220ea7d1a27d40a827

Returns the address of the contract owner.✨ AI

开发者： Returns the address of the current owner.

返回值

名称 类型 描述
— address The address that currently owns the contract and has administrative privileges.✨ AI
symbol() view → ARB

Returns the token's short symbol used to identify the token (e.g., "ABC").✨ AI

开发者： Returns the symbol of the token, usually a shorter version of the name.

返回值

名称 类型 描述
— string The token symbol string, a short identifier such as "ABC".✨ AI
totalSupply() view → 9,999,998,977.63 ARB

Returns the total number of tokens in existence.✨ AI

开发者： See {IERC20-totalSupply}.

返回值

名称 类型 描述
— uint256 Total token supply as a uint256, representing tokens currently in circulation.✨ AI

写入函数

adjustTotalDelegation(adjustment: int256) nonpayable

Adjusts total delegation value by the given amount

参数

名称 类型 描述
adjustment int256 The amount that the total delegation is off by, negated. This is added to the current total delegation.
approve(spender: address, amount: uint256) nonpayable

Grants spender permission to transfer up to amount of your tokens from your account.✨ AI

开发者： See {IERC20-approve}. NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on `transferFrom`. This is semantically equivalent to an infinite approval. Requirements: - `spender` cannot be the zero address.

参数

名称 类型 描述
spender address Address allowed to spend tokens on caller's behalf.✨ AI
amount uint256 Maximum number of tokens the spender is permitted to transfer.✨ AI

返回值

名称 类型 描述
— bool True if the approval succeeded, false otherwise.✨ AI
burn(amount: uint256) nonpayable

Burns a specified amount of tokens from the caller's balance and reduces the total supply.✨ AI

开发者： Destroys `amount` tokens from the caller. See {ERC20-_burn}.

参数

名称 类型 描述
amount uint256 Amount to burn from the caller's balance, specified in the token's smallest unit.✨ AI
burnFrom(account: address, amount: uint256) nonpayable

Burns a specific amount of tokens from the given account using the caller's allowance, decreasing total supply.✨ AI

开发者： Destroys `amount` tokens from `account`, deducting from the caller's allowance. See {ERC20-_burn} and {ERC20-allowance}. Requirements: - the caller must have allowance for ``accounts``'s tokens of at least `amount`.

参数

名称 类型 描述
account address Address from which tokens will be burned.✨ AI
amount uint256 Number of tokens to burn (in smallest unit).✨ AI
decreaseAllowance(spender: address, subtractedValue: uint256) nonpayable

Decrease the caller's allowance for a spender by a specified amount.✨ AI

开发者： 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`.

参数

名称 类型 描述
spender address Address allowed to spend the caller's tokens.✨ AI
subtractedValue uint256 Amount to subtract from the current allowance.✨ AI

返回值

名称 类型 描述
— bool True if the allowance was decreased successfully.✨ AI
delegate(delegatee: address) nonpayable

Delegate your voting power to another address.✨ AI

开发者： Delegate votes from the sender to `delegatee`.

参数

名称 类型 描述
delegatee address Address that will receive your delegated voting power.✨ AI
delegateBySig(delegatee: address, nonce: uint256, expiry: uint256, v: uint8, r: bytes32, s: bytes32) nonpayable

Delegate voting power to an address using an off-chain EIP-712 signature.✨ AI

开发者： Delegates votes from signer to `delegatee`

参数

名称 类型 描述
delegatee address Address that will receive the delegated voting power.✨ AI
nonce uint256 Unique nonce used to prevent replay of the signature.✨ AI
expiry uint256 Unix timestamp after which the signature is no longer valid.✨ AI
v uint8 ECDSA recovery id component of the signature.✨ AI
r bytes32 First 32-byte word of the ECDSA signature.✨ AI
s bytes32 Second 32-byte word of the ECDSA signature.✨ AI
increaseAllowance(spender: address, addedValue: uint256) nonpayable

Increase the caller's allowance for spender by addedValue and return true on success.✨ AI

开发者： 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.

参数

名称 类型 描述
spender address Address allowed to spend tokens.✨ AI
addedValue uint256 Amount to add to the current allowance.✨ AI

返回值

名称 类型 描述
— bool Boolean indicating whether the allowance was successfully increased.✨ AI
initialize(_l1TokenAddress: address, _initialSupply: uint256, _owner: address) nonpayable

Initialise the L2 token

参数

名称 类型 描述
_l1TokenAddress address The address of the counterparty L1 token
_initialSupply uint256 The amount of initial supply to mint
_owner address The owner of this contract - controls minting, not upgradeability
mint(recipient: address, amount: uint256) nonpayable

Allows the owner to mint new tokens

开发者： Only allows minting below an inflation cap. Set to once per year, and a maximum of 2%.

参数

名称 类型 描述
recipient address
amount uint256
permit(owner: address, spender: address, value: uint256, deadline: uint256, v: uint8, r: bytes32, s: bytes32) nonpayable

Allow an owner to set a spender allowance by presenting an off-chain signature.✨ AI

开发者： See {IERC20Permit-permit}.

参数

名称 类型 描述
owner address Address that signed the permit and whose allowance will be set.✨ AI
spender address Address that is being approved to spend the owner's tokens.✨ AI
value uint256 Amount of tokens to approve as the allowance.✨ AI
deadline uint256 Unix timestamp after which the permit signature is invalid.✨ AI
v uint8 ECDSA signature recovery byte used to reconstruct the signer.✨ AI
r bytes32 First 32 bytes of the ECDSA signature.✨ AI
s bytes32 Second 32 bytes of the ECDSA signature.✨ AI
postUpgradeInit(initialTotalDelegation: uint256) nonpayable

Called after upgrade to set the initial total delegation estimate The initial estimate may be manipulable with artificial delegation/undelegation prior to the upgrade. Since this value is only used for quorum calculation, and the quroum is clamped by the governors to an acceptable range, the risk/impact of manipulation is low.

参数

名称 类型 描述
initialTotalDelegation uint256 The initial total delegation at the time of upgrade proposal creation. This is an estimate since it is chosen at proposal creation time and not effective until the proposal is executed.
renounceOwnership() nonpayable

Renounce ownership of the contract, permanently removing the owner role.✨ AI

开发者： Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner.
transfer(to: address, amount: uint256) nonpayable

Transfer the specified amount of tokens from the caller to the recipient.✨ AI

开发者： See {IERC20-transfer}. Requirements: - `to` cannot be the zero address. - the caller must have a balance of at least `amount`.

参数

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

返回值

名称 类型 描述
— bool True if the transfer completed successfully.✨ AI
transferAndCall(_to: address, _value: uint256, _data: bytes) nonpayable
开发者： transfer token to a contract address with additional data if the recipient is a contact.

参数

名称 类型 描述
_to address The address to transfer to.
_value uint256 The amount to be transferred.
_data bytes The extra data to be passed to the receiving contract.

返回值

名称 类型 描述
success bool
transferFrom(from: address, to: address, amount: uint256) nonpayable
开发者： 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}. NOTE: Does not update the allowance if the current allowance is the maximum `uint256`. Requirements: - `from` and `to` cannot be the zero address. - `from` must have a balance of at least `amount`. - the caller must have allowance for ``from``'s tokens of at least `amount`.

参数

名称 类型 描述
from address
to address
amount uint256

返回值

名称 类型 描述
— bool
transferOwnership(newOwner: address) nonpayable
开发者： Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner.

参数

名称 类型 描述
newOwner address

事件

Approval(owner: address, spender: address, value: uint256)
名称 类型 已索引 描述
owner address ✓
spender address ✓
value uint256
DelegateChanged(delegator: address, fromDelegate: address, toDelegate: address)
名称 类型 已索引 描述
delegator address ✓
fromDelegate address ✓
toDelegate address ✓
DelegateVotesChanged(delegate: address, previousBalance: uint256, newBalance: uint256)
名称 类型 已索引 描述
delegate address ✓
previousBalance uint256
newBalance uint256
Initialized(version: uint8)
名称 类型 已索引 描述
version uint8
OwnershipTransferred(previousOwner: address, newOwner: address)
名称 类型 已索引 描述
previousOwner address ✓
newOwner address ✓
TotalDelegationAdjusted(previousTotalDelegation: uint256, newTotalDelegation: uint256)
名称 类型 已索引 描述
previousTotalDelegation uint256
newTotalDelegation uint256
Transfer(from: address, to: address, value: uint256, data: bytes)
名称 类型 已索引 描述
from address ✓
to address ✓
value uint256
data bytes
Transfer(from: address, to: address, value: uint256)
名称 类型 已索引 描述
from address ✓
to address ✓
value uint256