USDB

Blast ERC-20 Token

0x4300000000000000000000000000000000000003

Proxy 實作合約： 0x4ef0d788470e2feb6559b93075ec5be51dba737d

Solidity v0.8.15+commit.e14f2714

Fungible token following the ERC-20 standard.

🤖

透過你的 AI 查詢此合約

參考： 0x4300000000000000000000000000000000000003

範例提示詞： "Tell me the current state of blast/0x4300000000000000000000000000000000000003"

還沒有接入 AI？→ mcp.smarts.md

Blast 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

BRIDGE() view

Returns the bridge contract address used by this token.✨ AI

回傳值

名稱	類型	描述
—	address	The bridge contract address that handles cross-chain deposits and withdrawals.✨ AI

DOMAIN_SEPARATOR() view

Provides the EIP-712 domain separator used to verify permit signatures.✨ AI

開發者： EIP-712 domain separator computed from name, version, chainId, and contract address; it can change if chainId changes.✨ AI

回傳值

名稱	類型	描述
—	bytes32	bytes32 EIP-712 domain separator value used to construct and verify permit (EIP-2612) signatures.✨ AI

PERMIT_TYPEHASH() view

Returns the EIP-2612 permit type hash used to verify signed approvals.✨ AI

回傳值

名稱	類型	描述
—	bytes32	The bytes32 type hash used in EIP-712 for permit signatures (EIP-2612).✨ AI

REMOTE_TOKEN() view

Returns the address of the remote token contract used by this USDB token.✨ AI

回傳值

名稱	類型	描述
—	address	The address of the remote token contract that this USDB instance references.✨ AI

REPORTER() view

Returns the address assigned to the REPORTER role.✨ AI

回傳值

名稱	類型	描述
—	address	The address currently assigned as the contract's REPORTER role.✨ AI

allowance(owner: address, spender: address) view

Return the remaining token allowance that owner granted to spender.✨ 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 that granted the allowance.✨ AI
spender	address	Spender address authorized to transfer tokens on owner's behalf.✨ AI

回傳值

名稱	類型	描述
—	uint256	Remaining token amount that spender is permitted to transfer from owner.✨ AI

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 retrieved.✨ AI

回傳值

名稱	類型	描述
value	uint256	The amount of tokens owned by the account, expressed in the token's smallest unit (uint256).✨ AI

bridge() view

Legacy getter for BRIDGE.

回傳值

名稱	類型	描述
—	address

count() view

Get the total number of shares. Needs to be overridden by the child contract.

回傳值

名稱	類型	描述
—	uint256	Total number of shares.

decimals() view

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

開發者： 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`). 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}.

回傳值

名稱	類型	描述
—	uint8	Token decimals as a uint8 indicating fraction precision for balances and transfers.✨ AI

eip712Domain() view

Return the EIP-712 domain fields used for typed-data signing.✨ AI

開發者： See {EIP-5267}. _Available since v4.9._

回傳值

名稱	類型	描述
fields	bytes1	A single byte indicating the domain/prefix format (bytes1).✨ AI
name	string	The domain name string used for signing (e.g., token name).✨ AI
version	string	The domain version string used for signing.✨ AI
chainId	uint256	The chain identifier (uint256) the domain is bound to.✨ AI
verifyingContract	address	The verifying contract address that accepts signed messages.✨ AI
salt	bytes32	A 32-byte salt value used in domain separation (bytes32).✨ AI
extensions	uint256[]	An array of uint256 extension fields included in the domain.✨ AI

getClaimableAmount(account: address) view

Query an CLAIMABLE account's claimable yield.

參數

名稱	類型	描述
account	address	Address to query the claimable amount.

回傳值

名稱	類型	描述
—	uint256	amount Claimable amount.

getConfiguration(account: address) view

Query an account's configured yield mode.

參數

名稱	類型	描述
account	address	Address to query the configuration.

回傳值

名稱	類型	描述
—	uint8	Configured yield mode.

name() view

Returns the token's name.✨ AI

開發者： Returns the name of the token.

回傳值

名稱	類型	描述
—	string	The token's human-readable name string.✨ AI

nonces(owner: address) view

Returns the current signature nonce for a given owner address.✨ AI

開發者： See {IERC20Permit-nonces}.

參數

名稱	類型	描述
owner	address	Address of the token holder whose nonce is being queried.✨ AI

回傳值

名稱	類型	描述
—	uint256	The current uint256 nonce for the owner, used by permit signatures and incremented after use.✨ AI

pending() view

Returns the amount of USDB tokens currently pending to be claimed.✨ AI

回傳值

名稱	類型	描述
—	uint256	uint256 amount of USDB tokens pending claim, denominated in the token's smallest unit✨ AI

price() view

Returns the current USD-B token price as an unsigned integer.✨ AI

回傳值

名稱	類型	描述
—	uint256	Current price of the USD-B token as a uint256, scaled by the contract's price precision.✨ AI

remoteToken() view

Legacy getter for REMOTE_TOKEN.

回傳值

名稱	類型	描述
—	address

supportsInterface(_interfaceId: bytes4) pure

ERC165 interface check function.

參數

名稱	類型	描述
_interfaceId	bytes4	Interface ID to check.

回傳值

名稱	類型	描述
—	bool	Whether or not the interface is supported by this contract.

symbol() view

Returns the token's symbol used to identify the token in wallets and user interfaces.✨ AI

開發者： Returns the symbol of the token, usually a shorter version of the name.

回傳值

名稱	類型	描述
—	string	The token symbol as a string (e.g., "USDB").✨ AI

totalSupply() view

Returns the total supply of USDB tokens.✨ AI

開發者： Returns the amount of tokens in existence.

回傳值

名稱	類型	描述
—	uint256	Total supply as a uint256, denominated in the token's smallest unit (based on the token's decimals).✨ AI

version() view

Returns the full semver contract version.

回傳值

名稱	類型	描述
—	string	Semver contract version as a string.

寫入函式

addValue(value: uint256) nonpayable

Report a yield event and update the share price.

參數

名稱	類型	描述
value	uint256	Amount of new yield

approve(spender: address, amount: uint256) nonpayable

Set the caller's allowance for spender to the specified token amount.✨ 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 transfer tokens on the caller's behalf.✨ AI
amount	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, otherwise false.✨ AI

burn(_from: address, _amount: uint256) nonpayable

Allows the StandardBridge on this network to burn tokens.

參數

名稱	類型	描述
_from	address	Address to burn tokens from.
_amount	uint256	Amount of tokens to burn.

claim(recipient: address, amount: uint256) nonpayable

Claim yield from a CLAIMABLE account and send to a recipient.

參數

名稱	類型	描述
recipient	address	Address to receive the claimed balance.
amount	uint256	Amount to claim.

回傳值

名稱	類型	描述
—	uint256	Amount claimed.

configure(yieldMode: uint8) nonpayable

Change the yield mode of the caller and update the balance to reflect the configuration.

參數

名稱	類型	描述
yieldMode	uint8	Yield mode to configure

回傳值

名稱	類型	描述
—	uint256	Current user balance

initialize() nonpayable

Initializer

mint(_to: address, _amount: uint256) nonpayable

Allows the StandardBridge on this network to mint tokens.

參數

名稱	類型	描述
_to	address	Address to mint tokens to.
_amount	uint256	Amount of tokens to mint.

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

Allows an owner to approve a spender using an off-chain EIP-2612-style signature.✨ AI

開發者： See {IERC20Permit-permit}.

參數

名稱	類型	描述
owner	address	Token owner address that signed the permit.✨ AI
spender	address	Address that will be allowed to spend the tokens.✨ AI
value	uint256	Amount of tokens to approve, expressed in the token's smallest units.✨ AI
deadline	uint256	Unix timestamp after which the signature is no longer valid.✨ AI
v	uint8	ECDSA signature recovery byte v.✨ AI
r	bytes32	ECDSA signature r value (32 bytes).✨ AI
s	bytes32	ECDSA signature s value (32 bytes).✨ AI

transfer(to: address, amount: uint256) nonpayable

Transfers tokens from the caller's balance to the specified recipient address.✨ AI

開發者： Moves `amount` tokens from the caller's account to `to`. 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
amount	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, otherwise false.✨ AI

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

Transfer tokens from a specified account to another using an approved allowance.✨ AI

開發者： Moves `amount` tokens from `from` to `to` 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 transfer tokens from.✨ AI
to	address	Address to transfer tokens to.✨ AI
amount	uint256	Amount of tokens to transfer.✨ AI

回傳值

名稱	類型	描述
—	bool	True if the transfer succeeded.✨ AI

事件

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

名稱	類型	已索引
owner	address	✓
spender	address	✓
value	uint256

Claim(account: address, recipient: address, amount: uint256)

Emitted when a CLAIMABLE account claims their yield.

名稱	類型	已索引	描述
account	address	✓	Address of the account.
recipient	address	✓	Address of the recipient.
amount	uint256		Amount of yield claimed.

Configure(account: address, yieldMode: uint8)

Emitted when an account configures their yield mode.

名稱	類型	已索引	描述
account	address	✓	Address of the account.
yieldMode	uint8		Yield mode that was configured.

EIP712DomainChanged()

Initialized(version: uint8)

名稱	類型	已索引	描述
version	uint8

NewPrice(price: uint256)

Emitted when a new share price is set after a yield event.

名稱	類型	已索引	描述
price	uint256

Transfer(from: address, to: address, value: uint256)

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