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nil pointer in admin_nodeInfo #4179

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Alex Sharov 2022-05-17 17:42:49 +07:00 committed by GitHub
parent 55a4fa75b4
commit eb614bca88
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 4 deletions
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13
eth/protocols/eth/handler.go
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@ -17,11 +17,12 @@
package eth
import (
"math/big"
"github.com/ledgerwatch/erigon-lib/kv"
"github.com/ledgerwatch/erigon/common"
"github.com/ledgerwatch/erigon/core/rawdb"
"github.com/ledgerwatch/erigon/params"
"math/big"
)
const (
@ -59,13 +60,17 @@ type NodeInfo struct {
// ReadNodeInfo retrieves some `eth` protocol metadata about the running host node.
func ReadNodeInfo(getter kv.Getter, config *params.ChainConfig, genesisHash common.Hash, network uint64) *NodeInfo {
head := rawdb.ReadCurrentHeader(getter)
td, _ := rawdb.ReadTd(getter, head.Hash(), head.Number.Uint64())
headHash := rawdb.ReadHeadHeaderHash(getter)
headNumber := rawdb.ReadHeaderNumber(getter, headHash)
var td *big.Int
if headNumber != nil {
td, _ = rawdb.ReadTd(getter, headHash, *headNumber)
}
return &NodeInfo{
Network: network,
Difficulty: td,
Genesis: genesisHash,
Config: config,
Head: head.Hash(),
Head: headHash,
}
}