Abstract contract to be inherited by contracts that need to execute cross-chain commands involving tokens via Axelar’s Gateway. It extends AxelarExecutable and implements the IAxelarExecutableWithToken interface.
constructor(address gateway_) internal
Contract constructor that sets the Axelar Gateway With Token address and initializes AxelarExecutable.
| Name | Type | Description |
|---|---|---|
| gateway_ | address | The address of the Axelar Gateway With Token contract. |
function executeWithToken(bytes32 commandId, string sourceChain, string sourceAddress, bytes payload, string tokenSymbol, uint256 amount) external virtual
Executes the cross-chain command with token transfer after validating it with the Axelar Gateway.
This function ensures the call is approved by Axelar Gateway With Token before execution. It uses a hash of the payload for validation and calls _executeWithToken for the actual command execution. Reverts if the validation fails.
| Name | Type | Description |
|---|---|---|
| commandId | bytes32 | The unique identifier of the cross-chain message being executed. |
| sourceChain | string | The name of the source chain from which the message originated. |
| sourceAddress | string | The address on the source chain that sent the message. |
| payload | bytes | The payload of the message payload. |
| tokenSymbol | string | The symbol of the token to be transferred. |
| amount | uint256 | The amount of tokens to be transferred. |
function _executeWithToken(bytes32 commandId, string sourceChain, string sourceAddress, bytes payload, string tokenSymbol, uint256 amount) internal virtual
Internal virtual function to be overridden by child contracts to execute the command with token transfer. It allows child contracts to define their custom command execution logic involving tokens.
| Name | Type | Description |
|---|---|---|
| commandId | bytes32 | The unique identifier of the cross-chain message being executed. |
| sourceChain | string | The name of the source chain from which the message originated. |
| sourceAddress | string | The address on the source chain that sent the message. |
| payload | bytes | The payload of the message payload. |
| tokenSymbol | string | The symbol of the token to be transferred. |
| amount | uint256 | The amount of tokens to be transferred. |
function gatewayWithToken() internal view returns (contract IAxelarGatewayWithToken)
Returns the address of the IAxelarGatewayWithToken contract.
| Name | Type | Description |
|---|---|---|
| [0] | contract IAxelarGatewayWithToken | The Axelar Gateway with Token instance. |