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utils.go
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utils.go
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package vrfcommon
import (
"context"
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/pkg/errors"
txmgrcommon "github.com/smartcontractkit/chainlink/v2/common/txmgr"
txmgrtypes "github.com/smartcontractkit/chainlink/v2/common/txmgr/types"
"github.com/smartcontractkit/chainlink/v2/core/chains/evm/txmgr"
)
type RespCountEntry struct {
RequestID string
Count int
}
func GetRespCounts(ctx context.Context, txm txmgr.TxManager, chainID *big.Int, confirmedBlockNum int64) (
[]RespCountEntry,
error,
) {
counts := []RespCountEntry{}
metaField := "RequestID"
states := []txmgrtypes.TxState{txmgrcommon.TxUnconfirmed, txmgrcommon.TxUnstarted, txmgrcommon.TxInProgress}
// Search for txes with a non-null meta field in the provided states
unconfirmedTxes, err := txm.FindTxesWithMetaFieldByStates(ctx, metaField, states, chainID)
if err != nil {
return nil, errors.Wrap(err, "getRespCounts failed due to error in FindTxesWithMetaFieldByStates")
}
// Fetch completed transactions only as far back as the given confirmedBlockNum. This avoids
// a table scan of the whole table, which could be large if it is unpruned.
var confirmedTxes []*txmgr.Tx
confirmedTxes, err = txm.FindTxesWithMetaFieldByReceiptBlockNum(ctx, metaField, confirmedBlockNum, chainID)
if err != nil {
return nil, errors.Wrap(err, "getRespCounts failed due to error in FindTxesWithMetaFieldByReceiptBlockNum")
}
txes := DedupeTxList(append(unconfirmedTxes, confirmedTxes...))
respCountMap := make(map[string]int)
// Consolidate the number of txes for each meta RequestID
for _, tx := range txes {
var meta *txmgrtypes.TxMeta[common.Address, common.Hash]
meta, err = tx.GetMeta()
if err != nil {
return nil, errors.Wrap(err, "getRespCounts failed parsing tx meta field")
}
if meta != nil && meta.RequestID != nil {
requestId := meta.RequestID.String()
if _, exists := respCountMap[requestId]; !exists {
respCountMap[requestId] = 0
}
respCountMap[requestId]++
}
}
// Parse response count map into output
for key, value := range respCountMap {
respCountEntry := RespCountEntry{
RequestID: key,
Count: value,
}
counts = append(counts, respCountEntry)
}
return counts, nil
}
func DedupeTxList(txes []*txmgr.Tx) []*txmgr.Tx {
txIdMap := make(map[string]bool)
dedupedTxes := []*txmgr.Tx{}
for _, tx := range txes {
if _, found := txIdMap[tx.GetID()]; !found {
txIdMap[tx.GetID()] = true
dedupedTxes = append(dedupedTxes, tx)
}
}
return dedupedTxes
}