feat(store/v2): add support for iavl/v2 #22424
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,103 @@ | ||
| package iavlv2 | ||
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There was a problem hiding this comment. Could you please add the tree test like iavl v1? |
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| import ( | ||
| "errors" | ||
| "fmt" | ||
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| "github.com/cosmos/iavl/v2" | ||
| ics23 "github.com/cosmos/ics23/go" | ||
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| "cosmossdk.io/store/v2" | ||
| "cosmossdk.io/store/v2/commitment" | ||
| ) | ||
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| var ( | ||
| _ commitment.Tree = (*Tree)(nil) | ||
| _ store.PausablePruner = (*Tree)(nil) | ||
| ) | ||
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| type Tree struct { | ||
| tree *iavl.Tree | ||
| } | ||
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| func NewTree(treeOptions iavl.TreeOptions, dbOptions iavl.SqliteDbOptions, pool *iavl.NodePool) (*Tree, error) { | ||
| sql, err := iavl.NewSqliteDb(pool, dbOptions) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| tree := iavl.NewTree(sql, pool, treeOptions) | ||
| return &Tree{tree: tree}, nil | ||
| } | ||
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| func (t *Tree) Set(key, value []byte) error { | ||
| _, err := t.tree.Set(key, value) | ||
| return err | ||
| } | ||
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| func (t *Tree) Remove(key []byte) error { | ||
| _, _, err := t.tree.Remove(key) | ||
| return err | ||
| } | ||
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| func (t *Tree) GetLatestVersion() (uint64, error) { | ||
| return uint64(t.tree.Version()), nil | ||
| } | ||
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| func (t *Tree) Hash() []byte { | ||
| return t.tree.Hash() | ||
| } | ||
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| func (t *Tree) Version() uint64 { | ||
| return uint64(t.tree.Version()) | ||
| } | ||
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| func (t *Tree) LoadVersion(version uint64) error { | ||
| if version == 0 { | ||
| return nil | ||
| } | ||
| return t.tree.LoadVersion(int64(version)) | ||
| } | ||
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| func (t *Tree) Commit() ([]byte, uint64, error) { | ||
| h, v, err := t.tree.SaveVersion() | ||
| return h, uint64(v), err | ||
| } | ||
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| func (t *Tree) SetInitialVersion(version uint64) error { | ||
| t.tree.SetShouldCheckpoint() | ||
| return t.tree.SetInitialVersion(int64(version)) | ||
| } | ||
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| func (t *Tree) GetProof(version uint64, key []byte) (*ics23.CommitmentProof, error) { | ||
| return t.tree.GetProof(int64(version), key) | ||
| } | ||
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| func (t *Tree) Get(version uint64, key []byte) ([]byte, error) { | ||
| if int64(version) != t.tree.Version() { | ||
| return nil, fmt.Errorf("loading past version not yet supported") | ||
| } | ||
| return t.tree.Get(key) | ||
| } | ||
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| func (t *Tree) Export(version uint64) (commitment.Exporter, error) { | ||
| return nil, errors.New("snapshot import/export not yet supported") | ||
| } | ||
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| func (t *Tree) Import(version uint64) (commitment.Importer, error) { | ||
| return nil, errors.New("snapshot import/export not yet supported") | ||
| } | ||
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| func (t *Tree) Close() error { | ||
| return t.tree.Close() | ||
| } | ||
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| func (t *Tree) Prune(version uint64) error { | ||
| return t.tree.DeleteVersionsTo(int64(version)) | ||
| } | ||
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| // PausePruning is unnecessary in IAVL v2 due to the advanced pruning mechanism | ||
| func (t *Tree) PausePruning(bool) {} | ||
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| func (t *Tree) WorkingHash() []byte { | ||
| return t.tree.Hash() | ||
| } | ||
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💡 Codebase verification
Consider using a more actively maintained SQLite library
The current choice of
github.com/bvinc/go-sqlite-lite v0.6.1raises several concerns:Consider evaluating alternative SQLite libraries with explicit locking mechanisms that are actively maintained, such as:
modernc.org/sqlitegithub.com/glebarez/go-sqlite🔗 Analysis chain
Verify the SQLite library migration.
The addition of
github.com/bvinc/go-sqlite-lite v0.6.1aligns with the PR objective to migrate frommattn/go-sqlite3. However, let's verify if v0.6.1 is the latest stable version and if there are any known issues.Let me gather more information about the issues and the repository activity.
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It's a fair point, but I personally favor how
bvinc/go-sqlite-liteis a very minimal wrapper around the original libc API.There was a problem hiding this comment.
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@kocubinski, understood. Thank you for explaining your preference for
bvinc/go-sqlite-litedue to its minimal wrapper around the original libc API. I'll keep this in mind for future reviews.✏️ Learnings added
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modernc.org/sqlite could be a good fit since it's a pure go implementation (won't conflict with iavl/v2) and maybe even more performant than the C one.
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@kocubinski, that's a great point. Modernc.org/sqlite, being a pure Go implementation, could indeed avoid conflicts with iavl/v2 and potentially offer better performance.
From the information gathered:
It seems like a promising alternative worth evaluating. Let me know if you need any assistance with this.
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✏️ Learnings added