cerc-io/ipld-eth-server
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This commit is contained in:
Elizabeth Engelman 2019-07-29 14:15:33 -05:00
parent e637024cce
commit 87252f42b9
1 changed files with 16 additions and 7 deletions
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23
libraries/shared/fetcher/geth_rpc_storage_fetcher.go
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@ -15,9 +15,11 @@
package fetcher
import (
"fmt"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/statediff"
"github.com/sirupsen/logrus"
"github.com/vulcanize/vulcanizedb/libraries/shared/storage/utils"
"github.com/vulcanize/vulcanizedb/libraries/shared/streamer"
)
@ -36,22 +38,29 @@ func NewGethRpcStorageFetcher(streamer streamer.Streamer, statediffPayloadChan c
func (fetcher *GethRpcStorageFetcher) FetchStorageDiffs(out chan<- utils.StorageDiffRow, errs chan<- error) {
ethStatediffPayloadChan := fetcher.statediffPayloadChan
_, err := fetcher.streamer.Stream(ethStatediffPayloadChan)
if err != nil {
errs <- err
clientSubscription, clientSubErr := fetcher.streamer.Stream(ethStatediffPayloadChan)
if clientSubErr != nil {
logrus.Warn("Error creating a geth client subscription: ", clientSubErr)
errs <- clientSubErr
}
logrus.Info("Successfully created a geth client subscription: ", clientSubscription)
for {
diff := <-ethStatediffPayloadChan
logrus.Trace("received a statediff")
stateDiff := new(statediff.StateDiff)
err = rlp.DecodeBytes(diff.StateDiffRlp, stateDiff)
if err != nil {
errs <- err
decodeErr := rlp.DecodeBytes(diff.StateDiffRlp, stateDiff)
if decodeErr != nil {
logrus.Warn("Error decoding state diff into RLP: ", decodeErr)
errs <- decodeErr
}
accounts := getAccountDiffs(*stateDiff)
accounts := getAccountDiffs(*stateDiff)
logrus.Trace(fmt.Sprintf("iterating through %d accounts on stateDiff for block %d", len(accounts), stateDiff.BlockNumber))
for _, account := range accounts {
logrus.Trace(fmt.Sprintf("iterating through %d Storage values on account", len(account.Storage)))
for _, storage := range account.Storage {
logrus.Trace("adding storage diff to out channel")
out <- utils.StorageDiffRow{
Contract: common.BytesToAddress(account.Key),
BlockHash: stateDiff.BlockHash,