pub async fn is_nonce_used_for_signer(
provider: &DynProvider,
exchange_address: Address,
signer_address: WalletAddress,
nonce: u64,
) -> Result<bool, RsmSignerError>Expand description
Checks the exchange contract for whether nonce is consumed by signer_address.
This helper is read-only and does not mutate DB nonce tracker state.