moving to db
This commit is contained in:
parent
aba19d1e89
commit
f91f8e1927
GPG Key ID:
052443F4DF2A55C2
62
badgerdb.go
62
badgerdb.go
@ -1,62 +0,0 @@
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package main
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import "log"
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import "io/ioutil"
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import "github.com/dgraph-io/badger"
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type KeyValueStore struct {
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db *badger.DB
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}
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func NewKeyValueStore() *KeyValueStore {
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kv := new(KeyValueStore)
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kv.init()
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return kv
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}
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func (kv *KeyValueStore) init() {
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dir, err := ioutil.TempDir("", "badger")
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if err != nil {
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log.Fatal(err)
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}
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opts := badger.DefaultOptions
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opts.Dir = dir
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opts.ValueDir = dir
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kv.db, err = badger.Open(opts)
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if err != nil {
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log.Fatal(err)
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}
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}
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func (kv *KeyValueStore) Close() {
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kv.db.Close()
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}
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func (kv *KeyValueStore) Put(key *string, value *string) error {
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txn := kv.db.NewTransaction(true) // Read-write txn
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err := txn.Set([]byte(*key), []byte(*value))
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if err != nil {
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log.Fatal(err)
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}
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err = txn.Commit(nil)
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if err != nil {
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log.Fatal(err)
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}
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return nil
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}
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func (kv *KeyValueStore) Get(key *string) (*string, error) {
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txn := kv.db.NewTransaction(true) // Read-write txn
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item, err := txn.Get([]byte(*key))
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if err != nil {
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return nil, err
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}
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val, err := item.ValueCopy(nil)
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if err != nil {
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return nil, err
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}
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s := string(val)
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return &s, nil
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}
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91
db.go
Normal file
91
db.go
Normal file
@ -0,0 +1,91 @@
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package main
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import "log"
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import "io/ioutil"
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import "github.com/dgraph-io/badger"
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// SteemDataStore is the object with which the rest of this tool interacts
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type SteemDataStore struct {
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kv KeyValueStorer
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}
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func NewSteemDataStore(dir string) *SteemDataStore {
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self := new(SteemDataStore)
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self.kv = NewBadgerKeyValueStore(dir)
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return self
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}
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func (self *SteemDataStore) StoreBlockOps(blockNum int, blockOps []byte) {
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panic("not implemented")
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}
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// KeyValueStorer is an interface for the backend kv store used by
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// SteemDataStore
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// it could be fs, badgerdb, whatever
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type KeyValueStorer interface {
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Open(string)
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Get(*string) (*string, error)
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Put(*string, *string) error
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Close()
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}
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// BadgerKeyValueStore is an object that conforms to KeyValueStorer for use
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// by SteemDataStore to persist Steem data
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type BadgerKeyValueStore struct {
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db *badger.DB
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}
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func NewBadgerKeyValueStore(dir string) *BadgerKeyValueStore {
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kv := new(BadgerKeyValueStore)
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kv.Open(dir)
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return kv
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}
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func (kv *BadgerKeyValueStore) Open(dir string) {
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dir, err := ioutil.TempDir("", "badger")
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if err != nil {
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log.Fatal(err)
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}
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opts := badger.DefaultOptions
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opts.Dir = dir
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opts.ValueDir = dir
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kv.db, err = badger.Open(opts)
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if err != nil {
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log.Fatal(err)
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}
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}
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func (kv *BadgerKeyValueStore) Close() {
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kv.db.Close()
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}
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func (kv *BadgerKeyValueStore) Put(key *string, value *string) error {
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txn := kv.db.NewTransaction(true) // Read-write txn
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err := txn.Set([]byte(*key), []byte(*value))
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if err != nil {
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log.Fatal(err)
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}
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err = txn.Commit(nil)
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if err != nil {
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log.Fatal(err)
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}
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return nil
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}
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func (kv *BadgerKeyValueStore) Get(key *string) (*string, error) {
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txn := kv.db.NewTransaction(true) // Read-write txn
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item, err := txn.Get([]byte(*key))
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if err != nil {
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return nil, err
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}
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val, err := item.ValueCopy(nil)
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if err != nil {
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return nil, err
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}
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s := string(val)
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return &s, nil
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}
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79
main.go
79
main.go
@ -1,21 +1,90 @@
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package main
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import (
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"github.com/davecgh/go-spew/spew"
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"encoding/json"
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"fmt"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/afero"
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)
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const steemAPIURL = "https://api.steemit.com"
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func main() {
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log.SetLevel(log.DebugLevel)
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s := NewSteemAPI(steemAPIURL)
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var fs = afero.NewBasePathFs(afero.NewOsFs(), "./d")
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var s = NewSteemAPI(steemAPIURL)
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var state = NewSteemDataStore("./d")
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r, err := s.GetOpsInBlock(20000000)
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var endBlock = *currentBlockHeight(s)
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var startBlock = 1
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fetchBlockRange(s, state, startBlock, endBlock)
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}
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func fetchBlockRange(s *SteemAPI, fs afero.Fs, startBlock int, endBlock int) *error {
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log.Debugf("fetching block range %d to %d inclusive", startBlock, endBlock)
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for i := startBlock; i <= endBlock; i++ {
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fetchSingleBlock(s, fs, i)
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}
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return nil
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}
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func fetchSingleBlock(s *SteemAPI, fs afero.Fs, blockNum int) {
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tmpName := fmt.Sprintf("/blockOps/%d.json.tmp", blockNum)
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realName := fmt.Sprintf("/blockOps/%d.json", blockNum)
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done, err := afero.Exists(fs, realName)
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if err != nil {
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log.Fatal(err)
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panic(err)
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}
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spew.Dump(r)
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if done {
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return
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}
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r, err := s.GetOpsInBlock(blockNum)
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if err != nil {
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panic(err)
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}
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bytes, err := json.Marshal(r)
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if err != nil {
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panic(err)
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}
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err = afero.WriteFile(fs, tmpName, bytes, 0)
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if err != nil {
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panic(err)
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}
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fs.Rename(tmpName, realName)
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}
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func nope() {
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//r2, err := s.GetOpsInBlock(20000000)
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//if err != nil {
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// log.Fatal(err)
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//}
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//spew.Dump(r)
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//bytes, err := json.Marshal(r2)
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//if err != nil {
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// fmt.Println(err)
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// }
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// fmt.Println(string(bytes))
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}
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func currentBlockHeight(s *SteemAPI) *int {
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r, err := s.GetDynamicGlobalProperties()
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if err != nil {
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return nil
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}
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if r.LastIrreversibleBlockNum > 0 {
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return &r.LastIrreversibleBlockNum
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}
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return nil
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}
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20
steemapi.go
20
steemapi.go
@ -12,6 +12,9 @@ type SteemAPI struct {
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log *log.Logger
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}
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var EmptyParams = []string{}
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var EmptyParamsRaw, _ = json.Marshal(EmptyParams)
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func NewSteemAPI(url string, options ...func(s *SteemAPI)) *SteemAPI {
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rpc := NewJSONRPC(url, func(x *JSONRPC) { x.Debug = true })
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@ -29,6 +32,21 @@ func NewSteemAPI(url string, options ...func(s *SteemAPI)) *SteemAPI {
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return self
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}
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func (self *SteemAPI) GetDynamicGlobalProperties() (GetDynamicGlobalPropertiesResponse, error) {
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var resp DynamicGlobalProperties
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raw, err := self.rpc.Call("get_dynamic_global_properties", EmptyParamsRaw)
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if err != nil {
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return nil, err
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}
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json.Unmarshal(raw, &resp)
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return &resp, nil
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}
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func (self *SteemAPI) GetOpsInBlock(blockNum int) (GetOpsInBlockResponse, error) {
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// first fetch virtual ops
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@ -56,5 +74,5 @@ func (self *SteemAPI) GetOpsInBlock(blockNum int) (GetOpsInBlockResponse, error)
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return nil, err
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}
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result = append(result, secondResult...)
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return result, nil
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return &result, nil
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}
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@ -1,80 +0,0 @@
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package main
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import "encoding/json"
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import "github.com/joeshaw/iso8601"
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// TODO(sneak)
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//func (r *SteemOpInBlock) UnmarshalJSON() ([]byte, error) {
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//}
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type OperationObject struct {
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TransactionID string `json:"trx_id"`
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BlockNumber uint64 `json:"block"`
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TransactionInBlock uint64 `json:"trx_in_block"`
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OpInTx int `json:"op_in_trx"`
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VirtualOperation int `json:"virtual_op"`
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Timestamp iso8601.Time `json:"timestamp"`
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Operation []json.RawMessage `json:"op"`
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}
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/*
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type operationTuple struct {
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Type OpType
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Data Operation
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}
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func (op *operationTuple) MarshalJSON() ([]byte, error) {
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return json.Marshal([]interface{}{
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op.Type,
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op.Data,
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})
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}
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func (op *operationTuple) UnmarshalJSON(data []byte) error {
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// The operation object is [opType, opBody].
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raw := make([]*json.RawMessage, 2)
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if err := json.Unmarshal(data, &raw); err != nil {
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return errors.Wrapf(err, "failed to unmarshal operation object: %v", string(data))
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}
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if len(raw) != 2 {
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return errors.Errorf("invalid operation object: %v", string(data))
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}
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// Unmarshal the type.
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var opType OpType
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if err := json.Unmarshal(*raw[0], &opType); err != nil {
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return errors.Wrapf(err, "failed to unmarshal Operation.Type: %v", string(*raw[0]))
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}
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// Unmarshal the data.
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var opData Operation
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template, ok := dataObjects[opType]
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if ok {
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opData = reflect.New(
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reflect.Indirect(reflect.ValueOf(template)).Type(),
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).Interface().(Operation)
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if err := json.Unmarshal(*raw[1], opData); err != nil {
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return errors.Wrapf(err, "failed to unmarshal Operation.Data: %v", string(*raw[1]))
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}
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} else {
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opData = &UnknownOperation{opType, raw[1]}
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}
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// Update fields.
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op.Type = opType
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op.Data = opData
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return nil
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}
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*/
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type GetOpsInBlockRequestParams struct {
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BlockNum int
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VirtualOps bool
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}
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type GetOpsInBlockResponse []OperationObject
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func (r *GetOpsInBlockRequestParams) MarshalJSON() ([]byte, error) {
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arr := []interface{}{r.BlockNum, r.VirtualOps}
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return json.Marshal(arr)
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}
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59
types.go
Normal file
59
types.go
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@ -0,0 +1,59 @@
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package main
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import "encoding/json"
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import "github.com/joeshaw/iso8601"
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type OperationObject struct {
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BlockNumber uint64 `json:"block"`
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OpInTx int `json:"op_in_trx"`
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Operation []json.RawMessage `json:"op"`
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Timestamp iso8601.Time `json:"timestamp"`
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TransactionID string `json:"trx_id"`
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TransactionInBlock uint64 `json:"trx_in_block"`
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VirtualOperation int `json:"virtual_op"`
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}
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type GetOpsInBlockRequestParams struct {
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BlockNum int
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VirtualOps bool
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}
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type DynamicGlobalProperties struct {
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ConfidentialSbdSupply string `json:"confidential_sbd_supply"`
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ConfidentialSupply string `json:"confidential_supply"`
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CurrentAslot int `json:"current_aslot"`
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CurrentSbdSupply string `json:"current_sbd_supply"`
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CurrentSupply string `json:"current_supply"`
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CurrentWitness string `json:"current_witness"`
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DelegationReturnPeriod int `json:"delegation_return_period"`
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HeadBlockID string `json:"head_block_id"`
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HeadBlockNumber int `json:"head_block_number"`
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LastIrreversibleBlockNum int `json:"last_irreversible_block_num"`
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MaximumBlockSize int `json:"maximum_block_size"`
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NumPowWitnesses int `json:"num_pow_witnesses"`
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ParticipationCount int `json:"participation_count"`
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PendingRewardedVestingShares string `json:"pending_rewarded_vesting_shares"`
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PendingRewardedVestingSteem string `json:"pending_rewarded_vesting_steem"`
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RecentSlotsFilled string `json:"recent_slots_filled"`
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ReverseAuctionSeconds int `json:"reverse_auction_seconds"`
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SbdInterestRate int `json:"sbd_interest_rate"`
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SbdPrintRate int `json:"sbd_print_rate"`
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SbdStartPercent int `json:"sbd_start_percent"`
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SbdStopPercent int `json:"sbd_stop_percent"`
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Time string `json:"time"`
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TotalPow int `json:"total_pow"`
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TotalRewardFundSteem string `json:"total_reward_fund_steem"`
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TotalRewardShares2 string `json:"total_reward_shares2"`
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TotalVestingFundSteem string `json:"total_vesting_fund_steem"`
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TotalVestingShares string `json:"total_vesting_shares"`
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VirtualSupply string `json:"virtual_supply"`
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VotePowerReserveRate int `json:"vote_power_reserve_rate"`
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}
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type GetOpsInBlockResponse *[]OperationObject
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type GetDynamicGlobalPropertiesResponse *DynamicGlobalProperties
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func (r *GetOpsInBlockRequestParams) MarshalJSON() ([]byte, error) {
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arr := []interface{}{r.BlockNum, r.VirtualOps}
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return json.Marshal(arr)
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}
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