Callapprove#Call the approve(...) function of an ERC20 token contract on-chain, allowing the Uniswap router contract to transfer tokensapprove( token: Token! # Token for which to approve the Uniswap router contract to transfer amount: BigInt # The amount to approve for transfer; defaults to maximum amount if null gasOptions: GasOptions # Transaction gas configuration): Ethereum_TxResponse!CopyexecCall#Send an Ethereum transaction to the given addressexecCall( parameters: MethodParameters! # Transaction calldata and Ether value address: String! # Address of the target Ethereum contract chainId: ChainId! # Id of the chain on which to execute the transaction gasOptions: GasOptions # Transaction gas configuration): Ethereum_TxResponse!Copy