cerc-io/ipld-eth-server
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getLogs API changes to return txHash, make contract arg optional. #81

Merged
ashwinphatak merged 4 commits from ashwinp-get-logs-tx-hash into master 2021-07-26 10:13:38 +00:00
Conversation 0 Commits 4 Files Changed 6 +26 -12
4 changed files with 26 additions and 12 deletions
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Showing only changes of commit 3a9cc63bf3 - Show all commits

9
pkg/eth/backend.go
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@ -482,7 +482,7 @@ func (b *Backend) GetTransaction(ctx context.Context, txHash common.Hash) (*type
// GetReceipts retrieves receipts for provided block hash
func (b *Backend) GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error) {
_, receiptBytes, err := b.IPLDRetriever.RetrieveReceiptsByBlockHash(hash)
_, receiptBytes, txs, err := b.IPLDRetriever.RetrieveReceiptsByBlockHash(hash)
if err != nil {
return nil, err
}
@ -492,6 +492,7 @@ func (b *Backend) GetReceipts(ctx context.Context, hash common.Hash) (types.Rece
if err := rlp.DecodeBytes(rctBytes, rct); err != nil {
return nil, err
}
rct.TxHash = common.HexToHash(txs[i])
rcts[i] = rct
}
return rcts, nil
@ -499,7 +500,7 @@ func (b *Backend) GetReceipts(ctx context.Context, hash common.Hash) (types.Rece
// GetLogs returns all the logs for the given block hash
func (b *Backend) GetLogs(ctx context.Context, hash common.Hash) ([][]*types.Log, error) {
_, receiptBytes, err := b.IPLDRetriever.RetrieveReceiptsByBlockHash(hash)
_, receiptBytes, txs, err := b.IPLDRetriever.RetrieveReceiptsByBlockHash(hash)
if err != nil {
return nil, err
}
@ -510,6 +511,10 @@ func (b *Backend) GetLogs(ctx context.Context, hash common.Hash) ([][]*types.Log
return nil, err
}
for _, log := range rct.Logs {
log.TxHash = common.HexToHash(txs[i])
}
logs[i] = rct.Logs
}
return logs, nil

18
pkg/eth/ipld_retriever.go
View File

@ -83,7 +83,7 @@ const (
INNER JOIN eth.transaction_cids ON (receipt_cids.tx_id = transaction_cids.id)
INNER JOIN public.blocks ON (receipt_cids.mh_key = blocks.key)
WHERE tx_hash = ANY($1::VARCHAR(66)[])`
RetrieveReceiptsByBlockHashPgStr = `SELECT receipt_cids.cid, data
RetrieveReceiptsByBlockHashPgStr = `SELECT receipt_cids.cid, data, eth.transaction_cids.tx_hash
FROM eth.receipt_cids
INNER JOIN eth.transaction_cids ON (receipt_cids.tx_id = transaction_cids.id)
INNER JOIN eth.header_cids ON (transaction_cids.header_id = header_cids.id)
@ -161,9 +161,11 @@ const (
)
type ipldResult struct {
CID string `db:"cid"`
Data []byte `db:"data"`
CID string `db:"cid"`
Data []byte `db:"data"`
TxHash string `db:"tx_hash"`
}
type IPLDRetriever struct {
db *postgres.DB
}
@ -345,18 +347,22 @@ func (r *IPLDRetriever) RetrieveReceiptsByTxHashes(hashes []common.Hash) ([]stri
}
// RetrieveReceiptsByBlockHash returns the cids and rlp bytes for the receipts corresponding to the provided block hash
func (r *IPLDRetriever) RetrieveReceiptsByBlockHash(hash common.Hash) ([]string, [][]byte, error) {
func (r *IPLDRetriever) RetrieveReceiptsByBlockHash(hash common.Hash) ([]string, [][]byte, []string, error) {
rctResults := make([]ipldResult, 0)
if err := r.db.Select(&rctResults, RetrieveReceiptsByBlockHashPgStr, hash.Hex()); err != nil {
return nil, nil, err
return nil, nil, nil, err
}
cids := make([]string, len(rctResults))
rcts := make([][]byte, len(rctResults))
txs := make([]string, len(rctResults))
for i, res := range rctResults {
cids[i] = res.CID
rcts[i] = res.Data
txs[i] = res.TxHash
}
return cids, rcts, nil
return cids, rcts, txs, nil
}
// RetrieveReceiptsByBlockNumber returns the cids and rlp bytes for the receipts corresponding to the provided block hash

9
pkg/graphql/graphql.go
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@ -1005,11 +1005,11 @@ func (r *Resolver) GetStorageAt(ctx context.Context, args struct {
func (r *Resolver) GetLogs(ctx context.Context, args struct {
BlockHash common.Hash
Contract common.Address
Contract *common.Address
}) (*[]*Log, error) {
ret := make([]*Log, 0, 10)
receiptCIDs, receiptsBytes, err := r.backend.IPLDRetriever.RetrieveReceiptsByBlockHash(args.BlockHash)
receiptCIDs, receiptsBytes, txs, err := r.backend.IPLDRetriever.RetrieveReceiptsByBlockHash(args.BlockHash)
if err != nil {
return nil, err
}
@ -1024,12 +1024,15 @@ func (r *Resolver) GetLogs(ctx context.Context, args struct {
receipts[index] = receipt
for _, log := range receipt.Logs {
if log.Address == args.Contract {
if args.Contract == nil || *args.Contract == log.Address {
ret = append(ret, &Log{
backend: r.backend,
log: log,
cid: receiptCID,
ipldBlock: receiptBytes,
transaction: &Transaction{
hash: common.HexToHash(txs[index]),
},
})
}
}

2
pkg/graphql/schema.go
View File

@ -295,6 +295,6 @@ const schema string = `
getStorageAt(blockHash: Bytes32!, contract: Address!, slot: Bytes32!): StorageResult
# Get contract logs by block hash and contract address.
getLogs(blockHash: Bytes32!, contract: Address!): [Log!]
getLogs(blockHash: Bytes32!, contract: Address): [Log!]
}
`