Class: ReadWriteErc20

A base class for read-only models.

Hierarchy

• ReadErc20

  ↳ ReadWriteErc20

Implements

• ReadWriteToken

Constructors

constructor

• new ReadWriteErc20(options): ReadWriteErc20

Parameters

Name	Type
options	ReadWriteErc20Options

Returns

ReadWriteErc20

Overrides

ReadErc20.constructor

Defined in

packages/hyperdrive-js-core/src/token/erc20/ReadWriteErc20.ts:18

Properties

contract

• contract: CachedReadWriteContract<readonly [{ inputs: readonly [{ internalType: "address" ; name: "owner" ; type: "address" }, { internalType: "address" ; name: "spender" ; type: "address" }] ; name: "allowance" ; outputs: readonly [{ internalType: "uint256" ; name: "" ; type: "uint256" }] ; stateMutability: "view" ; type: "function" }, { inputs: readonly [{ internalType: "address" ; name: "spender" ; type: "address" }, { internalType: "uint256" ; name: "amount" ; type: "uint256" }] ; name: "approve" ; outputs: readonly [{ internalType: "bool" ; name: "" ; type: "bool" }] ; stateMutability: "nonpayable" ; type: "function" }, { inputs: readonly [{ internalType: "address" ; name: "account" ; type: "address" }] ; name: "balanceOf" ; outputs: readonly [{ internalType: "uint256" ; name: "" ; type: "uint256" }] ; stateMutability: "view" ; type: "function" }, { inputs: readonly [] ; name: "decimals" ; outputs: readonly [{ internalType: "uint8" ; name: "" ; type: "uint8" }] ; stateMutability: "view" ; type: "function" }, { inputs: readonly [] ; name: "name" ; outputs: readonly [{ internalType: "string" ; name: "" ; type: "string" }] ; stateMutability: "view" ; type: "function" }, { inputs: readonly [] ; name: "symbol" ; outputs: readonly [{ internalType: "string" ; name: "" ; type: "string" }] ; stateMutability: "view" ; type: "function" }, { inputs: readonly [] ; name: "totalSupply" ; outputs: readonly [{ internalType: "uint256" ; name: "" ; type: "uint256" }] ; stateMutability: "view" ; type: "function" }, { inputs: readonly [{ internalType: "address" ; name: "to" ; type: "address" }, { internalType: "uint256" ; name: "amount" ; type: "uint256" }] ; name: "transfer" ; outputs: readonly [{ internalType: "bool" ; name: "" ; type: "bool" }] ; stateMutability: "nonpayable" ; type: "function" }, { inputs: readonly [{ internalType: "address" ; name: "from" ; type: "address" }, { internalType: "address" ; name: "to" ; type: "address" }, { internalType: "uint256" ; name: "amount" ; type: "uint256" }] ; name: "transferFrom" ; outputs: readonly [{ internalType: "bool" ; name: "" ; type: "bool" }] ; stateMutability: "nonpayable" ; type: "function" }, { anonymous: false ; inputs: readonly [{ indexed: true ; internalType: "address" ; name: "owner" ; type: "address" }, { indexed: true ; internalType: "address" ; name: "spender" ; type: "address" }, { indexed: false ; internalType: "uint256" ; name: "value" ; type: "uint256" }] ; name: "Approval" ; type: "event" }, { anonymous: false ; inputs: readonly [{ indexed: true ; internalType: "address" ; name: "from" ; type: "address" }, { indexed: true ; internalType: "address" ; name: "to" ; type: "address" }, { indexed: false ; internalType: "uint256" ; name: "value" ; type: "uint256" }] ; name: "Transfer" ; type: "event" }]>

Overrides

ReadErc20.contract

Defined in

packages/hyperdrive-js-core/src/token/erc20/ReadWriteErc20.ts:15

---

contractFactory

• contractFactory: ReadWriteContractFactory

Implementation of

ReadWriteToken.contractFactory

Overrides

ReadErc20.contractFactory

Defined in

packages/hyperdrive-js-core/src/token/erc20/ReadWriteErc20.ts:16

---

name

• name: string

Implementation of

ReadWriteToken.name

Inherited from

ReadErc20.name

Defined in

packages/hyperdrive-js-core/src/model/ReadModel.ts:27

---

network

• network: Network

Implementation of

ReadWriteToken.network

Inherited from

ReadErc20.network

Defined in

packages/hyperdrive-js-core/src/model/ReadModel.ts:28

Accessors

address

• get address(): `0x${string}`

Returns

`0x${string}`

Implementation of

ReadWriteToken.address

Inherited from

ReadErc20.address

Defined in

packages/hyperdrive-js-core/src/token/erc20/ReadErc20.ts:28

---

namespace

• get namespace(): undefined | string

Returns

undefined | string

Inherited from

ReadErc20.namespace

Defined in

packages/hyperdrive-js-core/src/token/erc20/ReadErc20.ts:31

Methods

approve

▸ approve(«destructured»): Promise<`0x${string}`>

Give a spending allowance to a given spender.

Parameters

Name	Type
«destructured»	Object
› amount	bigint
› options?	ContractWriteOptions
› owner?	`0x${string}`
› spender	`0x${string}`

Returns

Promise<`0x${string}`>

The transaction hash.

Implementation of

ReadWriteToken.approve

Defined in

packages/hyperdrive-js-core/src/token/erc20/ReadWriteErc20.ts:25

---

getAllowance

▸ getAllowance(«destructured»): Promise<bigint>

Get the spending allowance of a given spender for a given owner of this token.

Parameters

Name	Type
«destructured»	Object
› options?	ContractReadOptions
› owner	`0x${string}`
› spender	`0x${string}`

Returns

Promise<bigint>

Implementation of

ReadWriteToken.getAllowance

Inherited from

ReadErc20.getAllowance

Defined in

packages/hyperdrive-js-core/src/token/erc20/ReadErc20.ts:47

---

getBalanceOf

▸ getBalanceOf(«destructured»): Promise<bigint>

Get the token balance of a given address

Parameters

Name	Type
«destructured»	Object
› account	`0x${string}`
› options?	ContractReadOptions

Returns

Promise<bigint>

Implementation of

ReadWriteToken.getBalanceOf

Inherited from

ReadErc20.getBalanceOf

Defined in

packages/hyperdrive-js-core/src/token/erc20/ReadErc20.ts:59

---

getDecimals

▸ getDecimals(): Promise<number>

Get the number of decimal places this token uses.

Returns

Promise<number>

Implementation of

ReadWriteToken.getDecimals

Inherited from

ReadErc20.getDecimals

Defined in

packages/hyperdrive-js-core/src/token/erc20/ReadErc20.ts:43

---

getName

▸ getName(): Promise<string>

Get the name of this token

Returns

Promise<string>

Implementation of

ReadWriteToken.getName

Inherited from

ReadErc20.getName

Defined in

packages/hyperdrive-js-core/src/token/erc20/ReadErc20.ts:35

---

getSymbol

▸ getSymbol(): Promise<string>

Get the symbol for this token.

Returns

Promise<string>

Implementation of

ReadWriteToken.getSymbol

Inherited from

ReadErc20.getSymbol

Defined in

packages/hyperdrive-js-core/src/token/erc20/ReadErc20.ts:39

---

getTotalSupply

▸ getTotalSupply(options?): Promise<bigint>

Get the total supply of the token.

Parameters

Name	Type
options?	ContractReadOptions

Returns

Promise<bigint>

Inherited from

ReadErc20.getTotalSupply

Defined in

packages/hyperdrive-js-core/src/token/erc20/ReadErc20.ts:72