Function approve

approve(
client: ExtendedViemClient,
params: ApproveParams & ControlFlowOptions,
): Promise<`0x${string}`>
Executes the approve function of the Token Messenger contract for CCTP.
Parameters
- client: ExtendedViemClient
  The client instance to use for the operation.
- params: ApproveParams & ControlFlowOptions
Returns Promise<`0x${string}`>
Returns the transaction hash of the contract execution
- Defined in src/providers/cross-chain-transfer-protocol/actions/approve.ts:58