ISignalService
sendSignal
function sendSignal(bytes32 signal) external returns (bytes32 storageSlot)
Send a signal by storing the key with a value of 1.
Parameters
| Name | Type | Description |
|---|---|---|
| signal | bytes32 | The signal to send. |
Return Values
| Name | Type | Description |
|---|---|---|
| storageSlot | bytes32 | The slot in storage that this signal is persisted. |
isSignalSent
function isSignalSent(address app, bytes32 signal) external view returns (bool)
Check if a signal has been sent (key stored with a value of 1).
Parameters
| Name | Type | Description |
|---|---|---|
| app | address | The address that sent this message. |
| signal | bytes32 | The signal to check. |
isSignalReceived
function isSignalReceived(uint256 srcChainId, address app, bytes32 signal, bytes proof) external view returns (bool)
Check if signal has been received on the destination chain (current).
Parameters
| Name | Type | Description |
|---|---|---|
| srcChainId | uint256 | The source chain ID. |
| app | address | The address that sent this message. |
| signal | bytes32 | The signal to check. |
| proof | bytes | The proof of the signal being sent on the source chain. |