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Merge pull request #51 from MinaFoundation/postgres
PM-1546 - Add option to keep submissions in PostgreSQL
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| package delegation_backend | ||
|
|
||
| import ( | ||
| "database/sql" | ||
| "fmt" | ||
|
|
||
| logging "github.com/ipfs/go-log/v2" | ||
| _ "github.com/lib/pq" | ||
| ) | ||
|
|
||
| type PostgreSQLContext struct { | ||
| DB *sql.DB | ||
| Log *logging.ZapEventLogger | ||
| } | ||
|
|
||
| func NewPostgreSQL(cfg *PostgreSQLConfig) (*sql.DB, error) { | ||
| connStr := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=%s", | ||
| cfg.Host, cfg.Port, cfg.User, cfg.Password, cfg.DBName, cfg.SSLMode) | ||
| db, err := sql.Open("postgres", connStr) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if err = db.Ping(); err != nil { | ||
| return nil, err | ||
| } | ||
| return db, nil | ||
| } | ||
|
|
||
| func (ctx *PostgreSQLContext) insertSubmission(submission *Submission) error { | ||
| // if SnarkWork is empty, do not insert it into the database | ||
| if len(submission.SnarkWork) == 0 { | ||
| return ctx.insertSubmissionWithoutSnarkWork(submission) | ||
| } | ||
| return ctx.insertSubmissionWithSnarkWork(submission) | ||
| } | ||
|
|
||
| func (ctx *PostgreSQLContext) insertSubmissionWithoutSnarkWork(submission *Submission) error { | ||
| query := `INSERT INTO submissions | ||
| (submitted_at_date, | ||
| submitted_at, | ||
| submitter, | ||
| created_at, | ||
| block_hash, | ||
| remote_addr, | ||
| peer_id, | ||
| graphql_control_port, | ||
| built_with_commit_sha) | ||
| VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)` | ||
| _, err := ctx.DB.Exec(query, submission.SubmittedAtDate, submission.SubmittedAt, | ||
| submission.Submitter, submission.CreatedAt, submission.BlockHash, | ||
| submission.RemoteAddr, submission.PeerId, submission.GraphqlControlPort, | ||
| submission.BuiltWithCommitSha) | ||
| return err | ||
| } | ||
|
|
||
| func (ctx *PostgreSQLContext) insertSubmissionWithSnarkWork(submission *Submission) error { | ||
| query := `INSERT INTO submissions | ||
| (submitted_at_date, | ||
| submitted_at, | ||
| submitter, | ||
| created_at, | ||
| block_hash, | ||
| remote_addr, | ||
| peer_id, | ||
| graphql_control_port, | ||
| built_with_commit_sha, | ||
| snark_work) | ||
| VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)` | ||
| _, err := ctx.DB.Exec(query, submission.SubmittedAtDate, submission.SubmittedAt, | ||
| submission.Submitter, submission.CreatedAt, submission.BlockHash, | ||
| submission.RemoteAddr, submission.PeerId, submission.GraphqlControlPort, | ||
| submission.BuiltWithCommitSha, submission.SnarkWork) | ||
| return err | ||
| } | ||
|
|
||
| func (ctx *PostgreSQLContext) PostgreSQLSave(objs ObjectsToSave) { | ||
| submissionToSave, err := objectToSaveToSubmission(objs, ctx.Log) | ||
| if err != nil { | ||
| ctx.Log.Errorf("PostgreSQLSave: Error preparing submission for saving: %v", err) | ||
| return | ||
| } | ||
|
|
||
| if err := ctx.insertSubmission(submissionToSave); err != nil { | ||
| // if err contains uq_submissions_submitter_date then we can ignore it | ||
| // because it means that the submission is already in the database | ||
| if err.Error() == "pq: duplicate key value violates unique constraint \"uq_submissions_submitter_date\"" { | ||
| ctx.Log.Infof("PostgreSQLSave: Submission for submitter: %v at %v already exists", submissionToSave.Submitter, submissionToSave.SubmittedAt) | ||
| return | ||
| } | ||
| ctx.Log.Errorf("PostgreSQLSave: Error saving submission to PostgreSQL: %v", err) | ||
| } else { | ||
| ctx.Log.Infof("PostgreSQLSave: Successfully saved submission for submitter: %v at %v", submissionToSave.Submitter, submissionToSave.SubmittedAt) | ||
| } | ||
| } |
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