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indexer.go
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indexer.go
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package wallet
import (
"encoding/binary"
"encoding/hex"
"encoding/json"
"fmt"
"sort"
log "github.com/sirupsen/logrus"
"github.com/hyper-fi/bytom/account"
"github.com/hyper-fi/bytom/asset"
"github.com/hyper-fi/bytom/blockchain/query"
"github.com/hyper-fi/bytom/consensus"
"github.com/hyper-fi/bytom/crypto/sha3pool"
dbm "github.com/hyper-fi/bytom/database/leveldb"
chainjson "github.com/hyper-fi/bytom/encoding/json"
"github.com/hyper-fi/bytom/errors"
"github.com/hyper-fi/bytom/protocol/bc"
"github.com/hyper-fi/bytom/protocol/bc/types"
)
const (
//TxPrefix is wallet database transactions prefix
TxPrefix = "TXS:"
//TxIndexPrefix is wallet database tx index prefix
TxIndexPrefix = "TID:"
//TxIndexPrefix is wallet database global tx index prefix
GlobalTxIndexPrefix = "GTID:"
)
var errAccntTxIDNotFound = errors.New("account TXID not found")
func formatKey(blockHeight uint64, position uint32) string {
return fmt.Sprintf("%016x%08x", blockHeight, position)
}
func calcAnnotatedKey(formatKey string) []byte {
return []byte(TxPrefix + formatKey)
}
func calcDeleteKey(blockHeight uint64) []byte {
return []byte(fmt.Sprintf("%s%016x", TxPrefix, blockHeight))
}
func calcTxIndexKey(txID string) []byte {
return []byte(TxIndexPrefix + txID)
}
func calcGlobalTxIndexKey(txID string) []byte {
return []byte(GlobalTxIndexPrefix + txID)
}
func calcGlobalTxIndex(blockHash *bc.Hash, position uint64) []byte {
txIdx := make([]byte, 40)
copy(txIdx[:32], blockHash.Bytes())
binary.BigEndian.PutUint64(txIdx[32:], position)
return txIdx
}
func parseGlobalTxIdx(globalTxIdx []byte) (*bc.Hash, uint64) {
var hashBytes [32]byte
copy(hashBytes[:], globalTxIdx[:32])
hash := bc.NewHash(hashBytes)
position := binary.BigEndian.Uint64(globalTxIdx[32:])
return &hash, position
}
// deleteTransaction delete transactions when orphan block rollback
func (w *Wallet) deleteTransactions(batch dbm.Batch, height uint64) {
tmpTx := query.AnnotatedTx{}
txIter := w.DB.IteratorPrefix(calcDeleteKey(height))
defer txIter.Release()
for txIter.Next() {
if err := json.Unmarshal(txIter.Value(), &tmpTx); err == nil {
batch.Delete(calcTxIndexKey(tmpTx.ID.String()))
}
batch.Delete(txIter.Key())
}
}
// saveExternalAssetDefinition save external and local assets definition,
// when query ,query local first and if have no then query external
// details see getAliasDefinition
func saveExternalAssetDefinition(b *types.Block, walletDB dbm.DB) {
storeBatch := walletDB.NewBatch()
defer storeBatch.Write()
for _, tx := range b.Transactions {
for _, orig := range tx.Inputs {
if ii, ok := orig.TypedInput.(*types.IssuanceInput); ok {
if isValidJSON(ii.AssetDefinition) {
assetID := ii.AssetID()
if assetExist := walletDB.Get(asset.ExtAssetKey(&assetID)); assetExist == nil {
storeBatch.Set(asset.ExtAssetKey(&assetID), ii.AssetDefinition)
}
}
}
}
}
}
// Summary is the struct of transaction's input and output summary
type Summary struct {
Type string `json:"type"`
AssetID bc.AssetID `json:"asset_id,omitempty"`
AssetAlias string `json:"asset_alias,omitempty"`
Amount uint64 `json:"amount,omitempty"`
AccountID string `json:"account_id,omitempty"`
AccountAlias string `json:"account_alias,omitempty"`
Arbitrary chainjson.HexBytes `json:"arbitrary,omitempty"`
}
// TxSummary is the struct of transaction summary
type TxSummary struct {
ID bc.Hash `json:"tx_id"`
Timestamp uint64 `json:"block_time"`
Inputs []Summary `json:"inputs"`
Outputs []Summary `json:"outputs"`
}
// indexTransactions saves all annotated transactions to the database.
func (w *Wallet) indexTransactions(batch dbm.Batch, b *types.Block) error {
annotatedTxs := w.filterAccountTxs(b)
saveExternalAssetDefinition(b, w.DB)
annotateTxsAccount(annotatedTxs, w.DB)
for _, tx := range annotatedTxs {
rawTx, err := json.Marshal(tx)
if err != nil {
log.WithFields(log.Fields{"module": logModule, "err": err}).Error("inserting annotated_txs to db")
return err
}
batch.Set(calcAnnotatedKey(formatKey(b.Height, uint32(tx.Position))), rawTx)
batch.Set(calcTxIndexKey(tx.ID.String()), []byte(formatKey(b.Height, uint32(tx.Position))))
// delete unconfirmed transaction
batch.Delete(calcUnconfirmedTxKey(tx.ID.String()))
}
if !w.TxIndexFlag {
return nil
}
for position, globalTx := range b.Transactions {
blockHash := b.BlockHeader.Hash()
batch.Set(calcGlobalTxIndexKey(globalTx.ID.String()), calcGlobalTxIndex(&blockHash, uint64(position)))
}
return nil
}
// filterAccountTxs related and build the fully annotated transactions.
func (w *Wallet) filterAccountTxs(b *types.Block) []*query.AnnotatedTx {
annotatedTxs := make([]*query.AnnotatedTx, 0, len(b.Transactions))
transactionLoop:
for pos, tx := range b.Transactions {
for _, v := range tx.Outputs {
var hash [32]byte
sha3pool.Sum256(hash[:], v.ControlProgram)
if bytes := w.DB.Get(account.ContractKey(hash)); bytes != nil {
annotatedTxs = append(annotatedTxs, w.buildAnnotatedTransaction(tx, b, pos))
continue transactionLoop
}
}
for _, v := range tx.Inputs {
outid, err := v.SpentOutputID()
if err != nil {
continue
}
if bytes := w.DB.Get(account.StandardUTXOKey(outid)); bytes != nil {
annotatedTxs = append(annotatedTxs, w.buildAnnotatedTransaction(tx, b, pos))
continue transactionLoop
}
}
}
return annotatedTxs
}
// GetTransactionByTxID get transaction by txID
func (w *Wallet) GetTransactionByTxID(txID string) (*query.AnnotatedTx, error) {
if annotatedTx, err := w.getAccountTxByTxID(txID); err == nil {
return annotatedTx, nil
} else if !w.TxIndexFlag {
return nil, err
}
return w.getGlobalTxByTxID(txID)
}
func (w *Wallet) getAccountTxByTxID(txID string) (*query.AnnotatedTx, error) {
annotatedTx := &query.AnnotatedTx{}
formatKey := w.DB.Get(calcTxIndexKey(txID))
if formatKey == nil {
return nil, errAccntTxIDNotFound
}
txInfo := w.DB.Get(calcAnnotatedKey(string(formatKey)))
if err := json.Unmarshal(txInfo, annotatedTx); err != nil {
return nil, err
}
annotateTxsAsset(w, []*query.AnnotatedTx{annotatedTx})
return annotatedTx, nil
}
func (w *Wallet) getGlobalTxByTxID(txID string) (*query.AnnotatedTx, error) {
globalTxIdx := w.DB.Get(calcGlobalTxIndexKey(txID))
if globalTxIdx == nil {
return nil, fmt.Errorf("No transaction(tx_id=%s) ", txID)
}
blockHash, pos := parseGlobalTxIdx(globalTxIdx)
block, err := w.chain.GetBlockByHash(blockHash)
if err != nil {
return nil, err
}
tx := block.Transactions[int(pos)]
return w.buildAnnotatedTransaction(tx, block, int(pos)), nil
}
// GetTransactionsSummary get transactions summary
func (w *Wallet) GetTransactionsSummary(transactions []*query.AnnotatedTx) []TxSummary {
Txs := []TxSummary{}
for _, annotatedTx := range transactions {
tmpTxSummary := TxSummary{
Inputs: make([]Summary, len(annotatedTx.Inputs)),
Outputs: make([]Summary, len(annotatedTx.Outputs)),
ID: annotatedTx.ID,
Timestamp: annotatedTx.Timestamp,
}
for i, input := range annotatedTx.Inputs {
tmpTxSummary.Inputs[i].Type = input.Type
tmpTxSummary.Inputs[i].AccountID = input.AccountID
tmpTxSummary.Inputs[i].AccountAlias = input.AccountAlias
tmpTxSummary.Inputs[i].AssetID = input.AssetID
tmpTxSummary.Inputs[i].AssetAlias = input.AssetAlias
tmpTxSummary.Inputs[i].Amount = input.Amount
tmpTxSummary.Inputs[i].Arbitrary = input.Arbitrary
}
for j, output := range annotatedTx.Outputs {
tmpTxSummary.Outputs[j].Type = output.Type
tmpTxSummary.Outputs[j].AccountID = output.AccountID
tmpTxSummary.Outputs[j].AccountAlias = output.AccountAlias
tmpTxSummary.Outputs[j].AssetID = output.AssetID
tmpTxSummary.Outputs[j].AssetAlias = output.AssetAlias
tmpTxSummary.Outputs[j].Amount = output.Amount
}
Txs = append(Txs, tmpTxSummary)
}
return Txs
}
func findTransactionsByAccount(annotatedTx *query.AnnotatedTx, accountID string) bool {
for _, input := range annotatedTx.Inputs {
if input.AccountID == accountID {
return true
}
}
for _, output := range annotatedTx.Outputs {
if output.AccountID == accountID {
return true
}
}
return false
}
// GetTransactions get all walletDB transactions, and filter transactions by accountID optional
func (w *Wallet) GetTransactions(accountID string) ([]*query.AnnotatedTx, error) {
annotatedTxs := []*query.AnnotatedTx{}
txIter := w.DB.IteratorPrefix([]byte(TxPrefix))
defer txIter.Release()
for txIter.Next() {
annotatedTx := &query.AnnotatedTx{}
if err := json.Unmarshal(txIter.Value(), &annotatedTx); err != nil {
return nil, err
}
if accountID == "" || findTransactionsByAccount(annotatedTx, accountID) {
annotateTxsAsset(w, []*query.AnnotatedTx{annotatedTx})
annotatedTxs = append([]*query.AnnotatedTx{annotatedTx}, annotatedTxs...)
}
}
return annotatedTxs, nil
}
// GetAccountBalances return all account balances
func (w *Wallet) GetAccountBalances(accountID string, id string) ([]AccountBalance, error) {
return w.indexBalances(w.GetAccountUtxos(accountID, "", false, false, false))
}
// AccountBalance account balance
type AccountBalance struct {
AccountID string `json:"account_id"`
Alias string `json:"account_alias"`
AssetAlias string `json:"asset_alias"`
AssetID string `json:"asset_id"`
Amount uint64 `json:"amount"`
AssetDefinition map[string]interface{} `json:"asset_definition"`
}
func (w *Wallet) indexBalances(accountUTXOs []*account.UTXO) ([]AccountBalance, error) {
accBalance := make(map[string]map[string]uint64)
balances := []AccountBalance{}
for _, accountUTXO := range accountUTXOs {
assetID := accountUTXO.AssetID.String()
if _, ok := accBalance[accountUTXO.AccountID]; ok {
if _, ok := accBalance[accountUTXO.AccountID][assetID]; ok {
accBalance[accountUTXO.AccountID][assetID] += accountUTXO.Amount
} else {
accBalance[accountUTXO.AccountID][assetID] = accountUTXO.Amount
}
} else {
accBalance[accountUTXO.AccountID] = map[string]uint64{assetID: accountUTXO.Amount}
}
}
var sortedAccount []string
for k := range accBalance {
sortedAccount = append(sortedAccount, k)
}
sort.Strings(sortedAccount)
for _, id := range sortedAccount {
var sortedAsset []string
for k := range accBalance[id] {
sortedAsset = append(sortedAsset, k)
}
sort.Strings(sortedAsset)
for _, assetID := range sortedAsset {
alias := w.AccountMgr.GetAliasByID(id)
targetAsset, err := w.AssetReg.GetAsset(assetID)
if err != nil {
return nil, err
}
assetAlias := *targetAsset.Alias
balances = append(balances, AccountBalance{
Alias: alias,
AccountID: id,
AssetID: assetID,
AssetAlias: assetAlias,
Amount: accBalance[id][assetID],
AssetDefinition: targetAsset.DefinitionMap,
})
}
}
return balances, nil
}
// GetAccountVotes return all account votes
func (w *Wallet) GetAccountVotes(accountID string, id string) ([]AccountVotes, error) {
return w.indexVotes(w.GetAccountUtxos(accountID, "", false, false, true))
}
type voteDetail struct {
Vote string `json:"vote"`
VoteNumber uint64 `json:"vote_number"`
}
// AccountVotes account vote
type AccountVotes struct {
AccountID string `json:"account_id"`
Alias string `json:"account_alias"`
TotalVoteNumber uint64 `json:"total_vote_number"`
VoteDetails []voteDetail `json:"vote_details"`
}
func (w *Wallet) indexVotes(accountUTXOs []*account.UTXO) ([]AccountVotes, error) {
accVote := make(map[string]map[string]uint64)
votes := []AccountVotes{}
for _, accountUTXO := range accountUTXOs {
if accountUTXO.AssetID != *consensus.BTMAssetID || accountUTXO.Vote == nil {
continue
}
xpub := hex.EncodeToString(accountUTXO.Vote)
if _, ok := accVote[accountUTXO.AccountID]; ok {
accVote[accountUTXO.AccountID][xpub] += accountUTXO.Amount
} else {
accVote[accountUTXO.AccountID] = map[string]uint64{xpub: accountUTXO.Amount}
}
}
var sortedAccount []string
for k := range accVote {
sortedAccount = append(sortedAccount, k)
}
sort.Strings(sortedAccount)
for _, id := range sortedAccount {
var sortedXpub []string
for k := range accVote[id] {
sortedXpub = append(sortedXpub, k)
}
sort.Strings(sortedXpub)
voteDetails := []voteDetail{}
voteTotal := uint64(0)
for _, xpub := range sortedXpub {
voteDetails = append(voteDetails, voteDetail{
Vote: xpub,
VoteNumber: accVote[id][xpub],
})
voteTotal += accVote[id][xpub]
}
alias := w.AccountMgr.GetAliasByID(id)
votes = append(votes, AccountVotes{
Alias: alias,
AccountID: id,
VoteDetails: voteDetails,
TotalVoteNumber: voteTotal,
})
}
return votes, nil
}