Node cannot start: `Derivation process temporary error` about node HOT 6 CLOSED

Hey thanks @sljeff - This looks like your node can't fetch the L1 block that contained Base genesis. Can you share what L1 RPC URL you are using? Or if you are running your L1 node yourself, what clients and configuration you have set up?

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I'm using a paid blockpi node

It seems that the error 0x5c13d307623a926cd31415036c8b7fa14572f9dac64528e857a470511fc30771 is not a legal eth tx hash

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That is the hash for the L1 block that included Base mainnet genesis info: https://etherscan.io/block/17481768
I wonder if the blockpi node is a full node and not an archive node?

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What does this return?

curl -d '{"id":0,"jsonrpc":"2.0","method":"eth_getTransactionReceipt","params":["0xe080e65b2f599279599ba4c59b96bad843ec29a50490ab15cab330b9c945e1c4"]}' -H "Content-Type: application/json" <BLOCKPI_RPC_URL>

It should return a JSON blob containing "transactionIndex":"0x2" within. If anything else, it seems like possibly your L1 node is malfunctioning.

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@aflock

Yes, this is an archive node.

@mdehoog

Yes, it returned content does contain "transactionIndex":"0x2" as you said.

I'm sorry, but I haven't tried starting a node myself anymore as the node provider I use, blockpi, already offers direct access to the base chain.

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I have reproduced this on a blockpi node. It looks like sometimes their eth_getTransactionReceipt returns an empty response. For example: {"jsonrpc":"2.0","id":26,"method":"eth_getTransactionReceipt","params":["0x2094a0de142cfebbcbdfc38d5c2410e6cdba0e81dad1e27e874fb69901484995"]} normally works fine, but occasionally returns {"jsonrpc":"2.0","id":26,"result":null}.

You can reproduce this with the following script. This will panic on the public-facing blockpi node, but succeed using another node. Would recommend using another provider for your L1 node.

package main

import (
	"context"
	"github.com/ethereum-optimism/optimism/op-node/client"
	"github.com/ethereum-optimism/optimism/op-node/sources"
	"github.com/ethereum/go-ethereum/ethclient"
	"github.com/ethereum/go-ethereum/log"
	"github.com/ethereum/go-ethereum/rpc"
	"math/big"
	"time"
)

func main() {
	ctx := context.Background()
	c, err := rpc.DialContext(ctx, "https://ethereum.blockpi.network/v1/rpc/public")
	if err != nil {
		panic(err)
	}
	r := client.NewBaseRPCClient(c)
	e := ethclient.NewClient(c)
	block, err := e.BlockByNumber(ctx, big.NewInt(17481768))
	if err != nil {
		panic(err)
	}
	testCfg := &sources.EthClientConfig{
		// receipts and transactions are cached per block
		ReceiptsCacheSize:     1000,
		TransactionsCacheSize: 1000,
		HeadersCacheSize:      1000,
		PayloadsCacheSize:     1000,
		MaxRequestsPerBatch:   20,
		MaxConcurrentRequests: 10,
		TrustRPC:              true,
		MustBePostMerge:       false,
		RPCProviderKind:       sources.RPCKindBasic,
		MethodResetDuration:   time.Minute,
	}
	ec, err := sources.NewEthClient(r, log.Root(), nil, testCfg)
	if err != nil {
		panic(err)
	}
	_, _, err = ec.FetchReceipts(ctx, block.Hash())
	if err != nil {
		panic(err)
	}
}

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