84 lines
4.5 KiB
Markdown
84 lines
4.5 KiB
Markdown
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# How to run Nethermind
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https://github.com/NethermindEth/nethermind/pull/3597 documents this aspect.
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## Install dotnet:
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```
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https://dotnet.microsoft.com/download
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```
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## Build Nethermind:
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```
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git clone https://github.com/NethermindEth/nethermind.git --recursive -b themerge_kintsugi
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cd src/Nethermind
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dotnet build Nethermind.sln -c Release
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# if src/Nethermind/Nethermind.Runner/bin/Release/net5.0/plugins has no Nethermind.Merge.Plugin.dll plugin then you may need to run the build again
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dotnet build Nethermind.sln -c Release
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cd Nethermind.Runner
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```
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# Run Nethermind
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run Nethermind
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```
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rm -rf bin/Release/net5.0/nethermind_db
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dotnet run -c Release -- --config themerge_kintsugi_m2 --Merge.TerminalTotalDifficulty 100
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```
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# Verify that Nimbus runs through test vectors
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- Run `./env.sh nim c -r tests/test_merge_vectors.nim`. It should show output akin to:
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```
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$ ./env.sh nim c -r tests/test_merge_vectors.nim
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[Suite] Merge test vectors
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DBG 2021-11-17 15:31:31.560+00:00 Message sent to RPC server topics="JSONRPC-HTTP-CLIENT" tid=960621 file=httpclient.nim:191 address=127.0.0.1:9550 msg_len=79
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DBG 2021-11-17 15:31:31.576+00:00 Message sent to RPC server topics="JSONRPC-HTTP-CLIENT" tid=960621 file=httpclient.nim:191 address=127.0.0.1:9550 msg_len=493
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DBG 2021-11-17 15:31:31.597+00:00 Message sent to RPC server topics="JSONRPC-HTTP-CLIENT" tid=960621 file=httpclient.nim:191 address=127.0.0.1:9550 msg_len=87
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DBG 2021-11-17 15:31:31.619+00:00 Message sent to RPC server topics="JSONRPC-HTTP-CLIENT" tid=960621 file=httpclient.nim:191 address=127.0.0.1:9550 msg_len=1196
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DBG 2021-11-17 15:31:31.634+00:00 Message sent to RPC server topics="JSONRPC-HTTP-CLIENT" tid=960621 file=httpclient.nim:191 address=127.0.0.1:9550 msg_len=494
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DBG 2021-11-17 15:31:31.637+00:00 Message sent to RPC server topics="JSONRPC-HTTP-CLIENT" tid=960621 file=httpclient.nim:191 address=127.0.0.1:9550 msg_len=87
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DBG 2021-11-17 15:31:31.640+00:00 Message sent to RPC server topics="JSONRPC-HTTP-CLIENT" tid=960621 file=httpclient.nim:191 address=127.0.0.1:9550 msg_len=1197
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DBG 2021-11-17 15:31:31.644+00:00 Message sent to RPC server topics="JSONRPC-HTTP-CLIENT" tid=960621 file=httpclient.nim:191 address=127.0.0.1:9550 msg_len=494
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[OK] getPayload, executePayload, and forkchoiceUpdated
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```
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# How to run Nimbus local testnet with Nethermind
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- Run Nethermind.
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- Check out `nimbus-eth2` branch `kintsugi`
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- Run `./scripts/launch_local_testnet.sh --preset minimal --nodes 4 --disable-htop --stop-at-epoch 7 -- --verify-finalization --discv5:no`
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This creates a 4-node local testnet with 128 validators.
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The Nimbus console output will be similar to
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```
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nimbus-eth2$ N=0; while ./scripts/launch_local_testnet.sh --preset minimal --nodes 4 --disable-htop --stop-at-epoch 8 -- --verify-finalization --discv5:no; do N=$((N+1)); echo "That was run #${N}"; sleep 67; done
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Building: build/nimbus_beacon_node
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Building: build/nimbus_signing_process
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Building: build/deposit_contract
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Build completed successfully: build/nimbus_signing_process
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Build completed successfully: build/deposit_contract
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Build completed successfully: build/nimbus_beacon_node
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NOT 2021-11-17 15:40:11.894+01:00 Generating deposits tid=966934 file=keystore_management.nim:562 totalNewValidators=128 validatorsDir=local_testnet_data/validators secretsDir=local_testnet_data/secrets
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NOT 2021-11-17 15:40:51.434+01:00 Deposit data written tid=966934 file=deposit_contract.nim:222 filename=local_testnet_data/deposits.json
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Wrote local_testnet_data/genesis.ssz
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WRN 2021-11-17 15:40:51.443+01:00 Using insecure password to lock networking key key_path=local_testnet_data/network_key.json
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INF 2021-11-17 15:40:52.184+01:00 New network key storage was created topics="networking" key_path=local_testnet_data/network_key.json network_public_key=08021221029b0d9c63dc15335b6f1f73dc359a0bda88a84cc7e0346f12e64084673a35a915
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Wrote local_testnet_data/bootstrap_nodes.txt
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Wrote local_testnet_data/config.yaml:
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DEPOSIT_NETWORK_ID: 1
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PRESET_BASE: minimal
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MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: 128
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MIN_GENESIS_TIME: 0
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GENESIS_DELAY: 10
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DEPOSIT_CONTRACT_ADDRESS: 0x0000000000000000000000000000000000000000
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ETH1_FOLLOW_DISTANCE: 1
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ALTAIR_FORK_EPOCH: 1
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MERGE_FORK_EPOCH: 2
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TERMINAL_TOTAL_DIFFICULTY: 0
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That was run #1
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```
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Meanwhile, Nimbus is interacting with Nethermind in preparing, getting, and executing payloads:
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