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local_node.sh
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local_node.sh
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#!/bin/bash
KEYS[0]="validator"
KEYS[1]="dev1"
KEYS[2]="dev2"
KEYS[3]="dev3"
# 0xc032bfb0a7f4d79f8bd0d4d6c6169f58e702817a
MNEMONICS[0]="camera foster skate whisper faith opera axis false van urban clean pet shove census surface injury phone alley cup school pet edge trial pony"
# 0x89760f514DCfCCCf1E4c5eDC6Bf6041931c4c183
MNEMONICS[1]="curtain hat remain song receive tower stereo hope frog cheap brown plate raccoon post reflect wool sail salmon game salon group glimpse adult shift"
# 0x21b661c8A270ed83D2826aD49b1E3B78F515E25C
MNEMONICS[2]="coral drink glow assist canyon ankle hole buffalo vendor foster void clip welcome slush cherry omit member legal account lunar often hen winter culture"
# 0x6479D25261A74B1b058778d3F69Ad7cC557341A8
MNEMONICS[3]="depth skull anxiety weasel pulp interest seek junk trumpet orbit glance drink comfort much alarm during lady strong matrix enable write pledge alcohol buzz"
CHAINID="evermint_70707-1" # devnet
MONIKER="localtestnet"
BINARY="evmd"
MIN_DENOM="wei"
# Remember to change to other types of keyring like 'file' in-case exposing to outside world,
# otherwise your balance will be wiped quickly
# The keyring test does not require private key to steal tokens from you
KEYRING="test"
KEYALGO="eth_secp256k1"
LOGLEVEL="info"
# Set dedicated home directory for the temp instance
HOMEDIR="$HOME/.tmp-evermint"
# to trace evm
#TRACE="--trace"
TRACE=""
# Path variables
CONFIG=$HOMEDIR/config/config.toml
APP_TOML=$HOMEDIR/config/app.toml
GENESIS=$HOMEDIR/config/genesis.json
TMP_GENESIS=$HOMEDIR/config/tmp_genesis.json
# validate dependencies are installed
command -v jq >/dev/null 2>&1 || {
echo >&2 "jq not installed. More info: https://stedolan.github.io/jq/download/"
exit 1
}
# used to exit on first error (any non-zero exit code)
set -e
# Reinstall daemon
make install
# User prompt if an existing local node configuration is found.
if [ -d "$HOMEDIR" ]; then
printf "\nAn existing folder at '%s' was found. You can choose to delete this folder and start a new local node with new keys from genesis. When declined, the existing local node is started. \n" "$HOMEDIR"
echo "Overwrite the existing configuration and start a new local node? [y/n]"
read -r overwrite
else
overwrite="Y"
fi
# Setup local node if overwrite is set to Yes, otherwise skip setup
if [[ $overwrite == "y" || $overwrite == "Y" ]]; then
# Remove the previous folder
rm -rf "$HOMEDIR"
# Set client config
"$BINARY" config set client chain-id $CHAINID --home "$HOMEDIR"
"$BINARY" config set client keyring-backend $KEYRING --home "$HOMEDIR"
# Recover keys from mnemonics
echo "${MNEMONICS[0]}" | "$BINARY" keys add "${KEYS[0]}" --recover --keyring-backend $KEYRING --algo $KEYALGO --home "$HOMEDIR"
echo "${MNEMONICS[1]}" | "$BINARY" keys add "${KEYS[1]}" --recover --keyring-backend $KEYRING --algo $KEYALGO --home "$HOMEDIR"
echo "${MNEMONICS[2]}" | "$BINARY" keys add "${KEYS[2]}" --recover --keyring-backend $KEYRING --algo $KEYALGO --home "$HOMEDIR"
echo "${MNEMONICS[3]}" | "$BINARY" keys add "${KEYS[3]}" --recover --keyring-backend $KEYRING --algo $KEYALGO --home "$HOMEDIR"
# Set moniker for the node
"$BINARY" init $MONIKER -o --chain-id $CHAINID --home "$HOMEDIR"
# Change parameter token denominations to native coin base denom
jq '.app_state["staking"]["params"]["bond_denom"]="'$MIN_DENOM'"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
jq '.app_state["crisis"]["constant_fee"]["denom"]="'$MIN_DENOM'"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
jq '.app_state["gov"]["deposit_params"]["min_deposit"][0]["denom"]="'$MIN_DENOM'"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS" # legacy gov
jq '.app_state["gov"]["params"]["min_deposit"][0]["denom"]="'$MIN_DENOM'"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS" # v0.47
jq '.app_state["evm"]["params"]["evm_denom"]="'$MIN_DENOM'"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
jq '.app_state["mint"]["params"]["mint_denom"]="'$MIN_DENOM'"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
# Set gas limit in genesis
jq '.consensus_params["block"]["max_gas"]="10000000"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
# Set deployer authority
DEPLOYER_ADDRESS=$("$BINARY" keys show "${KEYS[0]}" -a --keyring-backend $KEYRING --home "$HOMEDIR")
jq '.app_state["cpc"]["params"]["whitelisted_deployers"][0]="'$DEPLOYER_ADDRESS'"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
# Automatically deploy Custom-Precompiled contracts
jq '.app_state["cpc"]["deploy_erc20_native"]=true' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
jq '.app_state["cpc"]["deploy_staking_contract"]=true' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
if [[ $1 == "pending" ]]; then
if [[ "$OSTYPE" == "darwin"* ]]; then
sed -i '' 's/timeout_propose = "3s"/timeout_propose = "30s"/g' "$CONFIG"
sed -i '' 's/timeout_propose_delta = "500ms"/timeout_propose_delta = "5s"/g' "$CONFIG"
sed -i '' 's/timeout_prevote = "1s"/timeout_prevote = "10s"/g' "$CONFIG"
sed -i '' 's/timeout_prevote_delta = "500ms"/timeout_prevote_delta = "5s"/g' "$CONFIG"
sed -i '' 's/timeout_precommit = "1s"/timeout_precommit = "10s"/g' "$CONFIG"
sed -i '' 's/timeout_precommit_delta = "500ms"/timeout_precommit_delta = "5s"/g' "$CONFIG"
sed -i '' 's/timeout_commit = "5s"/timeout_commit = "150s"/g' "$CONFIG"
sed -i '' 's/timeout_broadcast_tx_commit = "10s"/timeout_broadcast_tx_commit = "150s"/g' "$CONFIG"
else
sed -i 's/timeout_propose = "3s"/timeout_propose = "30s"/g' "$CONFIG"
sed -i 's/timeout_propose_delta = "500ms"/timeout_propose_delta = "5s"/g' "$CONFIG"
sed -i 's/timeout_prevote = "1s"/timeout_prevote = "10s"/g' "$CONFIG"
sed -i 's/timeout_prevote_delta = "500ms"/timeout_prevote_delta = "5s"/g' "$CONFIG"
sed -i 's/timeout_precommit = "1s"/timeout_precommit = "10s"/g' "$CONFIG"
sed -i 's/timeout_precommit_delta = "500ms"/timeout_precommit_delta = "5s"/g' "$CONFIG"
sed -i 's/timeout_commit = "5s"/timeout_commit = "150s"/g' "$CONFIG"
sed -i 's/timeout_broadcast_tx_commit = "10s"/timeout_broadcast_tx_commit = "150s"/g' "$CONFIG"
fi
fi
# enable prometheus metrics
if [[ "$OSTYPE" == "darwin"* ]]; then
sed -i '' 's/prometheus = false/prometheus = true/' "$CONFIG"
sed -i '' 's/prometheus-retention-time = 0/prometheus-retention-time = 1000000000000/g' "$APP_TOML"
sed -i '' 's/enabled = false/enabled = true/g' "$APP_TOML"
else
sed -i 's/prometheus = false/prometheus = true/' "$CONFIG"
sed -i 's/prometheus-retention-time = "0"/prometheus-retention-time = "1000000000000"/g' "$APP_TOML"
sed -i 's/enabled = false/enabled = true/g' "$APP_TOML"
fi
# Change proposal periods to pass within a reasonable time for local testing
sed -i.bak 's/"max_deposit_period": "172800s"/"max_deposit_period": "30s"/g' "$HOMEDIR"/config/genesis.json
sed -i.bak 's/"voting_period": "172800s"/"voting_period": "30s"/g' "$HOMEDIR"/config/genesis.json
sed -i.bak 's/"expedited_voting_period": "86400s"/"expedited_voting_period": "15s"/g' "$HOMEDIR"/config/genesis.json
# set custom pruning settings
sed -i.bak 's/pruning = "default"/pruning = "custom"/g' "$APP_TOML"
sed -i.bak 's/pruning-keep-recent = "0"/pruning-keep-recent = "2"/g' "$APP_TOML"
sed -i.bak 's/pruning-interval = "0"/pruning-interval = "10"/g' "$APP_TOML"
# Allocate genesis accounts (cosmos formatted addresses)
GENESIS_BALANCE="100000000000000000000000000"
"$BINARY" add-genesis-account "${KEYS[0]}" "$GENESIS_BALANCE$MIN_DENOM" --keyring-backend $KEYRING --home "$HOMEDIR"
"$BINARY" add-genesis-account "${KEYS[1]}" "$GENESIS_BALANCE$MIN_DENOM" --keyring-backend $KEYRING --home "$HOMEDIR"
"$BINARY" add-genesis-account "${KEYS[2]}" "$GENESIS_BALANCE$MIN_DENOM" --keyring-backend $KEYRING --home "$HOMEDIR"
"$BINARY" add-genesis-account "${KEYS[3]}" "$GENESIS_BALANCE$MIN_DENOM" --keyring-backend $KEYRING --home "$HOMEDIR"
# bc is required to add these big numbers
total_supply=$(echo "${#KEYS[@]} * $GENESIS_BALANCE" | bc)
jq -r --arg total_supply "$total_supply" '.app_state["bank"]["supply"][0]["amount"]=$total_supply' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
# Sign genesis transaction
BASE_FEE="$(cat "$GENESIS" | jq -r .app_state.feemarket.params.base_fee)"
"$BINARY" gentx "${KEYS[0]}" "1000000000000000000000$MIN_DENOM" --gas-prices "$BASE_FEE$MIN_DENOM" --keyring-backend $KEYRING --chain-id $CHAINID --home "$HOMEDIR"
## In case you want to create multiple validators at genesis
## 1. Back to `"$BINARY" keys add` step, init more keys
## 2. Back to `"$BINARY" add-genesis-account` step, add balance for those
## 3. Clone this ~/.evermint home directory into some others, let's say `~/.clonedHome`
## 4. Run `gentx` in each of those folders
## 5. Copy the `gentx-*` folders under `~/.clonedHome/config/gentx/` folders into the original `~/.evermint/config/gentx`
# Collect genesis tx
"$BINARY" collect-gentxs --home "$HOMEDIR"
# Run this to ensure everything worked and that the genesis file is setup correctly
"$BINARY" validate-genesis --home "$HOMEDIR"
if [[ $1 == "pending" ]]; then
echo "pending mode is on, please wait for the first block committed."
fi
fi
# Fix the initial height format
sed -i.bak 's/"initial_height": 1,/"initial_height": "1",/g' "$HOMEDIR"/config/genesis.json
# Start the node (remove the --pruning=nothing flag if historical queries are not needed)
"$BINARY" start \
--metrics "$TRACE" --log_level "$LOGLEVEL" \
--minimum-gas-prices="0.0001$MIN_DENOM" \
--json-rpc.api eth,txpool,personal,net,debug,web3 \
--allow-insecure-unlock true \
--api.enable \
--grpc.enable true \
--home "$HOMEDIR" \
--chain-id "$CHAINID"