feat: more readme contexts

fix: typo

core/README.md

@@ -36,7 +36,7 @@ Infrastructure interface includes:
 * [PieceOp](./piecestore/piecestore.go): PieceOp is the helper interface for piece key 
   operator and piece size calculate.
 * [SPDB](./spdb/spdb.go): SPDB is the interface to records the SP metadata.
-* [BSDB](./bsdb/bsdb.go): BSDB is the interface to records the chain metadata.
+* [BSDB](./bsdb/bsdb.go): BSDB is the interface to records the greenfield chain metadata.
 * [TaskQueue](./taskqueue/README.md): Task is the interface to the smallest unit of 
   SP background service interaction. Task scheduling and execution are directly related 
   to the order of task arrival, so task queue is a relatively important basic interface 

docs/introduction/01-overview.md

@@ -30,6 +30,10 @@ serve as the gatekeeper for user rights and authentications.
 
 - **P2P**  used to interact with the control flow of the payload data, eg: GetSecondaryApproval.
 
+- **Metadata**  used to provide efficient query interface to achieve low latency and high-performance SP requirements.
+
 - **PieceStore** interacts with underlying storage vendors, eg. AWS S3, MinIO.
 
 - **SPDB** stores all the contexts of the background jobs and the metadata of the SP.
+
+- **BSDB** stores all the events' data from the greenfield chain and provides them to the metadata service of SP.

docs/readme.md

@@ -9,6 +9,7 @@ This section dives into the internals of the Greenfield Storage Provider impleme
   - [PieceStore](modules/01-piece_store.md)
   - [Redundancy](modules/02-redundancy.md)
   - [Storage Provider DB](modules/03-sp_db.md)
+  - [Block Syncer DB](modules/04-bs_db.md)
 - Key Workflow
   - [Get Approval](workflow/01-get_approval.md)
   - [Upload Payload](workflow/02-put_payload_data.md)

go.mod

@@ -10,7 +10,7 @@ replace (
 	github.com/cometbft/cometbft => github.com/bnb-chain/greenfield-cometbft v0.0.1
 	github.com/confio/ics23/go => github.com/cosmos/cosmos-sdk/ics23/go v0.8.0
 	github.com/cosmos/cosmos-sdk => github.com/bnb-chain/greenfield-cosmos-sdk v0.2.0
-	github.com/forbole/juno/v4 => github.com/bnb-chain/juno/v4 v4.0.0-20230524124328-9580fb539071
+	github.com/forbole/juno/v4 => github.com/bnb-chain/juno/v4 1d98a9519eac7da2e34025053df3e92ec3fe160f
 	github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1
 	github.com/syndtr/goleveldb => github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7
 )