102 lines
2.8 KiB
Bash
Executable File
102 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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set -eux
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# Kill children on ctrl-c
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trap "trap - SIGTERM && kill -- -$$" SIGINT SIGTERM EXIT
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# Read in variables
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. $(dirname $0)/vars.sh
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# Set a default value for the env vars usually supplied by nimbus Makefile
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NUM_VALIDATORS=${VALIDATORS:-100}
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NUM_NODES=${NODES:-9}
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cd $SIM_ROOT
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mkdir -p "$SIMULATION_DIR"
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mkdir -p "$VALIDATORS_DIR"
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cd $GIT_ROOT
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mkdir -p $BUILD_OUTPUTS_DIR
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# Run with "SHARD_COUNT=4 ./start.sh" to change these
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DEFS="-d:SHARD_COUNT=${SHARD_COUNT:-4} " # Spec default: 1024
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DEFS+="-d:SLOTS_PER_EPOCH=${SLOTS_PER_EPOCH:-8} " # Spec default: 64
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DEFS+="-d:SECONDS_PER_SLOT=${SECONDS_PER_SLOT:-6} " # Spec default: 6
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LAST_VALIDATOR_NUM=$(( $NUM_VALIDATORS - 1 ))
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LAST_VALIDATOR="$VALIDATORS_DIR/v$(printf '%07d' $LAST_VALIDATOR_NUM).deposit.json"
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if [ ! -f $LAST_VALIDATOR ]; then
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if [[ -z "$SKIP_BUILDS" ]]; then
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nim c -o:"$VALIDATOR_KEYGEN_BIN" $DEFS -d:release beacon_chain/validator_keygen
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fi
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$VALIDATOR_KEYGEN_BIN \
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--totalValidators=$NUM_VALIDATORS \
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--outputDir="$VALIDATORS_DIR" \
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--generateFakeKeys=yes
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fi
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if [[ -z "$SKIP_BUILDS" ]]; then
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nim c -o:"$BEACON_NODE_BIN" $DEFS --opt:speed --debuginfo beacon_chain/beacon_node
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fi
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if [ ! -f $SNAPSHOT_FILE ]; then
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$BEACON_NODE_BIN createTestnet \
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--dataDir=$SIMULATION_DIR/node-0 \
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--networkId=1000 \
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--validatorsDir=$VALIDATORS_DIR \
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--totalValidators=$NUM_VALIDATORS \
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--outputGenesis=$SNAPSHOT_FILE \
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--outputNetwork=$NETWORK_METADATA_FILE \
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--bootstrapAddress=127.0.0.1 \
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--bootstrapPort=50000 \
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--genesisOffset=5 # Delay in seconds
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fi
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# Delete any leftover address files from a previous session
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if [ -f $MASTER_NODE_ADDRESS_FILE ]; then
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rm $MASTER_NODE_ADDRESS_FILE
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fi
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# multitail support
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MULTITAIL="${MULTITAIL:-multitail}" # to allow overriding the program name
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USE_MULTITAIL="${USE_MULTITAIL:-no}" # make it an opt-in
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type "$MULTITAIL" &>/dev/null || USE_MULTITAIL="no"
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COMMANDS=()
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LAST_NODE=$(( $NUM_NODES - 1 ))
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for i in $(seq 0 $LAST_NODE); do
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if [[ "$i" == "0" ]]; then
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sleep 0
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elif [ "$USE_MULTITAIL" = "no" ]; then
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# Wait for the master node to write out its address file
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while [ ! -f $MASTER_NODE_ADDRESS_FILE ]; do
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sleep 0.1
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done
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fi
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CMD="$SIM_ROOT/run_node.sh $i"
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if [ "$USE_MULTITAIL" != "no" ]; then
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if [ "$i" = "0" ]; then
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SLEEP="0"
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else
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SLEEP="2"
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fi
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# "multitail" closes the corresponding panel when a command exits, so let's make sure it doesn't exit
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COMMANDS+=( " -cT ansi -t 'node #$i' -l 'sleep $SLEEP; $CMD; echo [node execution completed]; while true; do sleep 100; done'" )
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else
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eval $CMD &
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fi
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done
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if [ "$USE_MULTITAIL" != "no" ]; then
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eval $MULTITAIL -s 3 -M 0 -x \"Nimbus beacon chain\" "${COMMANDS[@]}"
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else
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wait # Stop when all nodes have gone down
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fi
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