forked from dfuse-io/dfuse-eosio
/
process_block.go
218 lines (192 loc) · 6.34 KB
/
process_block.go
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package tokenmeta
import (
"encoding/hex"
"github.com/dfuse-io/bstream"
pbcodec "github.com/zhongshuwen/dfuse-eosio/pb/dfuse/eosio/codec/v1"
"github.com/zhongshuwen/dfuse-eosio/tokenmeta/cache"
zsw "github.com/zhongshuwen/zswchain-go"
"go.uber.org/zap"
)
func (t *TokenMeta) ProcessBlock(block *bstream.Block, obj interface{}) error {
// forkable setup will only yield irreversible blocks
muts := &cache.MutationsBatch{}
blk := block.ToNative().(*pbcodec.Block)
if (blk.Number % 600) == 0 {
zlog.Info("process blk 1/600", zap.Stringer("block", block))
}
for _, trx := range blk.TransactionTraces() {
zlogger := zlog.With(zap.String("trx_id", trx.Id))
actionMatcher := blk.FilteringActionMatcher(trx)
for _, actTrace := range trx.ActionTraces {
if !shouldProcessAction(actTrace, actionMatcher) {
continue
}
actionName := actTrace.Action.Name
if actionName == "setabi" {
account := actTrace.GetData("account").String()
hexABI := actTrace.GetData("abi")
if !hexABI.Exists() {
zlogger.Warn("'setabi' action data payload not present",
zap.String("account", account),
)
continue
}
hexData := hexABI.String()
if hexData == "" {
zlogger.Info("empty ABI in 'setabi' action",
zap.String("account", account))
continue
}
abiData, err := hex.DecodeString(hexData)
if err != nil {
zlogger.Info("failed to hex decode abi string",
zap.String("account", account),
zap.Error(err),
)
continue
}
contractStats, err := getTokenContractStats(string(account), abiData, false)
if err != nil {
zlogger.Info("failed to get token contract info",
zap.String("account", account),
zap.String("raw_abi", string(abiData)),
zap.Error(err),
)
continue
}
if contractStats.isTokenContract {
if t.cache.IsTokenContract(zsw.AN(account)) {
zlogger.Info("skipping already known token contract", zap.String("account", account))
continue
}
zlogger.Info("adding new token contract", zap.String("account", account))
mutations := &cache.MutationsBatch{}
mutations.SetContract(zsw.AccountName(account))
errs := t.cache.Apply(mutations, blk)
if len(errs) != 0 {
zlogger.Warn("failed add new token contract",
zap.String("account", account),
zap.Errors("errors", errs),
)
continue
}
}
}
}
for _, dbop := range trx.DbOps {
if !shouldProcessDbop(dbop, actionMatcher) {
continue
}
zlog.Debug("processing dbop",
zap.String("contract", dbop.Code),
zap.String("table", dbop.TableName),
zap.String("scope", dbop.Scope),
zap.String("primary_key", dbop.PrimaryKey),
)
isEOSStake := dbop.Code == "zswhq" && dbop.TableName == string(EOSStakeTable)
tokenContract := zsw.AccountName(dbop.Code)
if !t.cache.IsTokenContract(tokenContract) && !isEOSStake {
continue
}
symbolCode, err := zsw.NameToSymbolCode(zsw.Name(dbop.PrimaryKey))
if err != nil {
zlogger.Warn("unable to decode primary key to symbol",
zap.String("contract", string(tokenContract)),
zap.String("table", dbop.TableName),
zap.String("scope", dbop.Scope),
zap.String("primary_key", dbop.PrimaryKey),
zap.Error(err))
continue
}
rowData := dbop.NewData
if rowData == nil {
zlogger.Debug("using db row old data")
rowData = dbop.OldData
}
row, err := t.decodeDBOpToRow(rowData, zsw.TableName(dbop.TableName), tokenContract, uint32(block.Number))
if err != nil {
zlogger.Error("cannot decode table row",
zap.String("contract", string(tokenContract)),
zap.String("table_name", dbop.TableName),
zap.String("transaction_id", trx.Id),
zap.Error(err))
continue
}
switch dbop.TableName {
case string(EOSStakeTable):
if !isEOSStake {
zlogger.Error("something terribly wrong happened: table eosio stake but not eosio stake",
zap.String("token_contract", string(tokenContract)),
zap.String("symbol", symbolCode.String()))
continue
}
eosStakeEntry, err := getStakeEntryFromDBRow(tokenContract, dbop.Scope, row)
if err != nil {
zlogger.Error("cannot apply stake entry",
zap.String("token_contract", string(tokenContract)),
zap.String("symbol", symbolCode.String()),
zap.Error(err))
continue
}
muts.SetStake(eosStakeEntry)
case string(AccountsTable):
eosToken := t.cache.TokenContract(tokenContract, symbolCode)
if eosToken == nil {
zlogger.Warn("unsupported token for contract",
zap.String("token_contract", string(tokenContract)),
zap.Stringer("symbol", symbolCode))
continue
}
accountBalance, err := getAccountBalanceFromDBRow(tokenContract, TokenToEOSSymbol(eosToken), dbop.Scope, row)
if err != nil {
zlogger.Warn("could not create account balance from dbop row",
zap.String("token_contract", string(tokenContract)),
zap.Stringer("symbol", symbolCode),
zap.String("scope", dbop.Scope),
zap.String("dbop_row", string(row)))
continue
}
if dbop.NewData == nil {
// if the db operation has no new data so it removed it
muts.RemoveBalance(accountBalance)
} else {
muts.SetBalance(accountBalance)
}
case string(StatTable):
var symbol *zsw.Symbol
eosToken := t.cache.TokenContract(tokenContract, symbolCode)
if eosToken == nil {
zlogger.Debug("new token contract",
zap.String("token_contract", string(tokenContract)),
zap.String("symbol", symbolCode.String()),
)
} else {
symbol = TokenToEOSSymbol(eosToken)
}
token, err := getTokenFromDBRow(tokenContract, symbol, row)
if err != nil {
zlogger.Warn("could not create token from dbop row",
zap.String("token_contract", string(tokenContract)),
zap.String("symbol", symbolCode.String()),
zap.String("scope", dbop.Scope),
zap.String("dbop_row", string(row)))
continue
}
muts.SetToken(token)
}
}
}
errs := t.cache.Apply(muts, blk)
if len(errs) != 0 {
// TODO eventually catch fatal errors and break or ... what can we do ?
zlog.Warn("errors applying block",
zap.String("block_id", block.ID()),
zap.Errors("errors", errs),
)
}
if t.saveEveryNBlock != 0 && blk.Number%t.saveEveryNBlock == 0 {
// TODO Should this be done async? if so we would need to add locks
t.cache.SaveToFile()
}
return nil
}