Function eth_get_code

chain/src/method.rs:166–195

(module: &mut RpcModule<Context>)

}

pub(crate) fn eth_get_code(module: &mut RpcModule<Context>) -> Result<()> {
    module.register_async_method("eth_getCode", move |params, blockchain| async move {
        let mut seq = params.sequence();
        let address = seq.next::<Account>()?;

        // TODO(ddimaria): lookup code by block number
        // let _block = seq.next::<BlockNumber>()?;
        let block = seq.next::<String>()?.clone();
        let block_number = blockchain
            .lock()
            .await
            .parse_block_number(&block)
            .map_err(|e| JsonRpseeError::Custom(e.to_string()))?;

        let code_hash = blockchain
            .lock()
            .await
            .accounts
            .get_account(&address)
            .map_err(|e| Error::Custom(e.to_string()))?
            .code_hash
            .ok_or_else(|| {
                JsonRpseeError::Custom(format!("missing code hash for block {:?}", block_number))
            })?;

        Ok(code_hash)
    })?;

    Ok(())
}

#[cfg(test)]
pub mod tests {