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Showcasing direct entity output from mapper
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,86 +1,30 @@ | ||
| mod block_timestamp; | ||
| #[path = "db_out.rs"] | ||
| mod db; | ||
| #[path = "graph_out.rs"] | ||
| mod graph; | ||
| #[path = "kv_out.rs"] | ||
| mod kv; | ||
| mod pb; | ||
| mod schema; | ||
|
|
||
| use block_timestamp::BlockTimestamp; | ||
| use pb::eth::block_meta::v1::BlockMeta; | ||
| use substreams::errors::Error; | ||
| use substreams::store::{DeltaProto, StoreSetIfNotExistsProto, StoreSetProto}; | ||
| use substreams::{prelude::*, store}; | ||
| use substreams::Hex; | ||
| use substreams_database_change::pb::database::DatabaseChanges; | ||
| use substreams_entity_change::pb::entity::EntityChanges; | ||
| use substreams_ethereum::pb::eth::v2::{self as eth}; | ||
| use substreams_sink_kv::pb::sf::substreams::sink::kv::v1::KvOperations; | ||
|
|
||
| #[substreams::handlers::store] | ||
| fn store_block_meta_start(blk: eth::Block, s: StoreSetIfNotExistsProto<BlockMeta>) { | ||
| let (timestamp, meta) = block_to_block_meta(blk); | ||
|
|
||
| s.set_if_not_exists(meta.number, timestamp.start_of_day_key(), &meta); | ||
| s.set_if_not_exists(meta.number, timestamp.start_of_month_key(), &meta); | ||
| } | ||
|
|
||
| #[substreams::handlers::store] | ||
| fn store_block_meta_end(blk: eth::Block, s: StoreSetProto<BlockMeta>) { | ||
| let (timestamp, meta) = block_to_block_meta(blk); | ||
|
|
||
| s.set(meta.number, timestamp.end_of_day_key(), &meta); | ||
| s.set(meta.number, timestamp.end_of_month_key(), &meta); | ||
| } | ||
| use substreams_database_change::tables::Tables; | ||
| use substreams_ethereum::pb::eth::v2::Block; | ||
|
|
||
| #[substreams::handlers::map] | ||
| pub fn db_out( | ||
| block_meta_start: store::Deltas<DeltaProto<BlockMeta>>, | ||
| block_meta_end: store::Deltas<DeltaProto<BlockMeta>>, | ||
| ) -> Result<DatabaseChanges, Error> { | ||
| let mut tables = substreams_database_change::tables::Tables::new(); | ||
| db::block_meta_to_database_changes(&mut tables, block_meta_start); | ||
| db::block_meta_to_database_changes(&mut tables, block_meta_end); | ||
| pub fn db_out(blk: Block) -> Result<DatabaseChanges, Error> { | ||
| let mut tables = Tables::new(); | ||
| add_block_entity(&mut tables, blk); | ||
|
|
||
| Ok(tables.to_database_changes()) | ||
| } | ||
|
|
||
| #[substreams::handlers::map] | ||
| pub fn kv_out( | ||
| block_meta_start: store::Deltas<DeltaProto<BlockMeta>>, | ||
| block_meta_end: store::Deltas<DeltaProto<BlockMeta>>, | ||
| ) -> Result<KvOperations, Error> { | ||
| let mut kv_ops: KvOperations = Default::default(); | ||
| kv::block_meta_to_kv_ops(&mut kv_ops, block_meta_start); | ||
| kv::block_meta_to_kv_ops(&mut kv_ops, block_meta_end); | ||
|
|
||
| Ok(kv_ops) | ||
| } | ||
|
|
||
| #[substreams::handlers::map] | ||
| pub fn graph_out( | ||
| block_meta_start: store::Deltas<DeltaProto<BlockMeta>>, | ||
| block_meta_end: store::Deltas<DeltaProto<BlockMeta>>, | ||
| ) -> Result<EntityChanges, Error> { | ||
| let mut tables = substreams_entity_change::tables::Tables::new(); | ||
| graph::block_meta_to_entities_changes(&mut tables, block_meta_start); | ||
| graph::block_meta_to_entities_changes(&mut tables, block_meta_end); | ||
|
|
||
| Ok(tables.to_entity_changes()) | ||
| } | ||
|
|
||
| fn block_to_block_meta(blk: eth::Block) -> (BlockTimestamp, BlockMeta) { | ||
| let timestamp = BlockTimestamp::from_block(&blk); | ||
| let header = blk.header.unwrap(); | ||
|
|
||
| ( | ||
| timestamp, | ||
| BlockMeta { | ||
| number: blk.number, | ||
| hash: blk.hash, | ||
| parent_hash: header.parent_hash, | ||
| timestamp: Some(header.timestamp.unwrap()), | ||
| }, | ||
| ) | ||
| fn add_block_entity(tables: &mut Tables, blk: Block) { | ||
| let block_hash = Hex(&blk.hash).to_string(); | ||
|
|
||
| tables | ||
| .create_row("block_meta", &block_hash) | ||
| .set("number", blk.number) | ||
| .set("hash", &block_hash) | ||
| .set( | ||
| "parent_hash", | ||
| Hex(&blk.header.as_ref().unwrap().parent_hash).to_string(), | ||
| ) | ||
| .set( | ||
| "timestamp", | ||
| blk.header.as_ref().unwrap().timestamp.as_ref().unwrap(), | ||
| ); | ||
| } |
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