116 lines
4.5 KiB
Bash
Executable File
116 lines
4.5 KiB
Bash
Executable File
#!/bin/bash
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#
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# Script to run Nimbus-eth1 on the same networks Geth supports by name,
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# with a trusted connection to a dedicated peer for that network.
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#
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# All protocols are disabled other than the minimum we need for block sync.
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#
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# This is very helpful for debugging and improving pipelined sync, and for
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# improving the database and other processing, even though p2p sync is the
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# endgame.
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#
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# - Discovery protocols are turned off
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# - NAT hole punching protocols are turned off
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# - Whisper protocol is turned off (`--protocols:eth`)
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# - The only connection is to a single, active Geth for that network.
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# - Each network's data is stored in a different location to avoid conflicts.
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# - Each network is accessed by binding to a different port locally,
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# so we can run several at the same time.
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# - Log level is set to `TRACE` because we can read them when we're not
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# swamped with discovery messages. Sync isn't fast enough yet.
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#
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# The enode URLs below are public facing Geth instances that are syncing to
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# each of the networks. Nimbus-eth1 devs are free to use them for testing
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# while they remain up. However, better results will be obtained if those nodes
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# also have the Nimbus instances as "trusted peers".
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#
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set -e -u -o pipefail
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# First argument says which testnet, or use mainnet for that.
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# Defaults to goerli if omitted.
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testnet=${1:-goerli}
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# Additional arguments after the first are passed to Nimbus.
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shift || :
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staticnode_geth_mainnet='enode://7af995207d620d363ffbdac3216c45140c8fc31a1a30cac94dfad94713ba6b03efeb4f8dd4c0d676ec3e32a9eac2804560c3d3001c7551a2bb955c1e5ce22d17@mainnet.geth.ethereum.arxlogic.com:30303'
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staticnode_geth_goerli='enode://9a8651c02d14ffbf7e328cd6c31307d90c9411673deeec819a1b7a205eed121c7eea192146937958608eaebff25dcd232fce958f031bf82ba3d55deaac3d0715@goerli.geth.ethereum.arxlogic.com:30303';
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staticnode_geth_ropsten='enode://861f2b16e3da33f2af677de97087dd489b17f9a0685fdaf751fb524fdf171cd4b8f02a5dc9e25a2730d1aa1b22176f5c88397b7f01180d032375d1526a8e1421@ropsten.geth.ethereum.arxlogic.com:30303'
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staticnode_geth_rinkeby='enode://bb34c7a91c9895769f782cd1f0da88025f302960beebac305010b7395912b3835eb954426b3cf4be1b47bae4c32973d87688ace8cce412a3efb88baabc77bd98@rinkeby.geth.ethereum.arxlogic.com:30303'
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staticnode_geth_yolov3='enode://a11e7ed2a1a21b9464619f77734b9dec76befbc5ebb95ac7820f45728bc42c30f9bd406a83ddc28b28141bc0a8469638467ad6a48065977e1ac8e8f1c7a1e6b4@yolov3.geth.ethereum.arxlogic.com:30303'
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case $testnet in
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mainnet)
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net_option= port=30193 staticnodes=$staticnode_geth_mainnet ;;
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goerli)
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net_option=--goerli port=30194 staticnodes=$staticnode_geth_goerli ;;
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ropsten)
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net_option=--ropsten port=30195 staticnodes=$staticnode_geth_ropsten ;;
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rinkeby)
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net_option=--rinkeby port=30196 staticnodes=$staticnode_geth_rinkeby ;;
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yolov3)
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net_option=--yolov3 port=30197 staticnodes=$staticnode_geth_yolov3 ;;
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*)
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echo "Unrecognised network: $testnet" 1>&2; exit 1 ;;
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esac
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# Perform DNS name lookup for enodes with names.
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# Geth supports this nowadays, but Nimbus does not.
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resolve_enodes() {
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local node prefix suffix host port ip
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set --
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for node in $staticnodes; do
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case $node in
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enode://*@*:*)
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prefix=${node%@*} suffix=${node##*@}
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host=${suffix%:*} port=${suffix##*:}
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case $host in
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*[^0-9.]*)
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ip=$(host -t a "$host" 2>/dev/null)
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case $ip in
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"$host has address "[0-9]*)
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ip=${ip##* has address }
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;;
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*)
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echo "Name lookup for $host failed" 1>&2
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exit 1
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;;
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esac
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node=$prefix@$ip:$port
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esac
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esac
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set -- "$@" "$node"
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done
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staticnodes="$*"
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}
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resolve_enodes
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datadir="$HOME"/.nimbus/"$testnet"
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# Use a stable nodekey if we have one, to ensure the remote Geth almost always
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# accepts our connections. The nodekey's corresponding `enode` URL must be
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# added with `admin.addTrustedPeer` to the remote Geth. This isn't perfect.
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# Sometimes Geth is too busy even for a trusted peer. But usually it works.
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#
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# Note, this nodekey file isn't created automatically by nimbus-eth1 at the
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# moment. We have to have done it manually before now.
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#
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if [ -e "$datadir"/nimbus/nodekey ]; then
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nodekey=$(cat "$datadir"/nimbus/nodekey)
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if [ -n "$nodekey" ]; then
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set -- --nodekey:"$nodekey"
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fi
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fi
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# So the process name shows up without a path in `netstat`.
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export PATH=$HOME/Status/nimbus-eth1/build:$PATH
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exec nimbus \
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--datadir:"$datadir" $net_option \
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--prune:full \
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--logMetrics --logMetricsInterval:5 \
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--log-level:TRACE \
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--nodiscover --nat:none --port:$port --protocols:eth \
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--staticnodes:"$staticnodes" \
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"$@"
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