cerc-io/ipfs-ethdb
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Roy Crihfield 2023-03-30 23:38:23 +08:00
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6
README.md
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@ -1,6 +1,6 @@
## ipfs-ethdb ## ipfs-ethdb
[![Go Report Card](https://goreportcard.com/badge/github.com/vulcanize/ipfs-ethdb)](https://goreportcard.com/report/github.com/vulcanize/ipfs-ethdb) [![Go Report Card](https://goreportcard.com/badge/github.com/cerc/ipfs-ethdb)](https://goreportcard.com/report/github.com/cerc-io/ipfs-ethdb)
> go-ethereum ethdb interfaces for Ethereum state data stored in IPFS > go-ethereum ethdb interfaces for Ethereum state data stored in IPFS
@ -11,7 +11,7 @@ interfacing with a state database. These interfaces are used to build higher-lev
which are used to perform the bulk of state related needs. which are used to perform the bulk of state related needs.
Ethereum data can be stored on IPFS, standard codecs for Etheruem data are defined in the [go-cid](https://github.com/ipfs/go-cid) library. Ethereum data can be stored on IPFS, standard codecs for Etheruem data are defined in the [go-cid](https://github.com/ipfs/go-cid) library.
Using our [statediffing geth client](https://github.com/vulcanize/go-ethereum/releases/tag/v1.9.11-statediff-0.0.2) it is feasible to extract every single Using our [statediffing geth client](https://github.com/cerc-io/go-ethereum/releases/tag/v1.9.11-statediff-0.0.2) it is feasible to extract every single
state and storage node and publish it to IPFS. state and storage node and publish it to IPFS.
Geth stores state data in leveldb as key-value pairs between the keccak256 hash of the rlp-encoded object and the rlp-encoded object. Geth stores state data in leveldb as key-value pairs between the keccak256 hash of the rlp-encoded object and the rlp-encoded object.
@ -50,7 +50,7 @@ import (
"github.com/ipfs/go-ipfs/core" "github.com/ipfs/go-ipfs/core"
"github.com/ipfs/go-ipfs/repo/fsrepo" "github.com/ipfs/go-ipfs/repo/fsrepo"
"github.com/jmoiron/sqlx" "github.com/jmoiron/sqlx"
"github.com/vulcanize/ipfs-ethdb/v5" "github.com/cerc-io/ipfs-ethdb/v5"
) )
func main() { func main() {

4
postgres/doc.md
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## ipfs-ethdb ## ipfs-ethdb
IPFS has been [extended](https://github.com/vulcanize/go-ipfs/releases/tag/v0.4.22-alpha) to [use Postgres](https://github.com/vulcanize/go-ipfs-config/releases/tag/v0.0.8-alpha) as a backing [datastore](https://github.com/ipfs/go-ds-sql/tree/master/postgres). IPFS has been [extended](https://github.com/cerc-io/go-ipfs/releases/tag/v0.4.22-alpha) to [use Postgres](https://github.com/cerc-io/go-ipfs-config/releases/tag/v0.0.8-alpha) as a backing [datastore](https://github.com/ipfs/go-ds-sql/tree/master/postgres).
Interfacing directly with the IPFS-backing Postgres database has some advantages over using the blockservice interface. Interfacing directly with the IPFS-backing Postgres database has some advantages over using the blockservice interface.
Namely, batching of IPFS writes with other Postgres writes and avoiding lock contention on the ipfs repository (lockfile located at the `IPFS_PATH`). Namely, batching of IPFS writes with other Postgres writes and avoiding lock contention on the ipfs repository (lockfile located at the `IPFS_PATH`).
The downside is that we forgo the block-exchange capabilities of the blockservice, and are only able to fetch data contained in the local datastore. The downside is that we forgo the block-exchange capabilities of the blockservice, and are only able to fetch data contained in the local datastore.
@ -18,7 +18,7 @@ import (
"github.com/ethereum/go-ethereum/core/state" "github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/trie" "github.com/ethereum/go-ethereum/trie"
"github.com/jmoiron/sqlx" "github.com/jmoiron/sqlx"
"github.com/vulcanize/ipfs-ethdb/v5/postgres/v1" "github.com/cerc-io/ipfs-ethdb/v5/postgres/v1"
) )
func main() { func main() {