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Allow a data source to create another in the same block it was created #1185

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merged 6 commits into from
Sep 19, 2019
Merged

Allow a data source to create another in the same block it was created #1185

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71d49c3
instance_manager: Refactor `create_dynamic_data_sources`
leoyvens Sep 12, 2019
20dc8a4
instance_manager: Drain data sources when creating them
leoyvens Sep 12, 2019
907f07b
instance_manager: Refactor fn persist_dynamic_data_sources
leoyvens Sep 12, 2019
e00872d
instance_manager: Data source can create another in the block it was …
leoyvens Sep 13, 2019
0e4f464
instance_manager: Refactor `process_trigger_in_runtime_hosts`
leoyvens Sep 13, 2019
256cc4a
instance_manager: Inline `process_triggers_in_runtime_hosts`
leoyvens Sep 13, 2019
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14 changes: 4 additions & 10 deletions core/src/subgraph/instance.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -97,27 +97,21 @@ where
)
}

fn process_trigger_in_runtime_hosts<I>(
fn process_trigger_in_runtime_hosts(
logger: &Logger,
hosts: I,
hosts: impl Iterator<Item = Arc<T::Host>>,
block: Arc<EthereumBlock>,
trigger: EthereumTrigger,
state: BlockState,
) -> Box<dyn Future<Item = BlockState, Error = Error> + Send>
where
I: IntoIterator<Item = Arc<T::Host>>,
{
) -> Box<dyn Future<Item = BlockState, Error = Error> + Send> {
let logger = logger.to_owned();
match trigger {
EthereumTrigger::Log(log) => {
let transaction = block
.transaction_for_log(&log)
.map(Arc::new)
.ok_or_else(|| format_err!("Found no transaction for event"));
let matching_hosts: Vec<_> = hosts
.into_iter()
.filter(|host| host.matches_log(&log))
.collect();
let matching_hosts: Vec<_> = hosts.filter(|host| host.matches_log(&log)).collect();
let log = Arc::new(log);

// Process the log in each host in the same order the corresponding data
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