Macro compose_extrinsic_offline 

macro_rules! compose_extrinsic_offline {
    ($signer: expr,
    $call: expr,
    $params: expr) => { ... };
}

Generates an UncheckedExtrinsic for a given call.

Arguments

• ‘signer’ - AccountKey that is used to sign the extrinsic.
• ‘call’ - call as returned by the compose_call! macro or via substrate’s call enums.
• ‘params’ - Instance of ExtrinsicParams that can be used to fetch signed extra and additional signed