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local_node.sh
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#!/bin/bash
CHAINID="${CHAIN_ID:-evmos_9000-1}"
MONIKER="localtestnet"
# Remember to change to other types of keyring like 'file' in-case exposing to outside world,
# otherwise your balance will be wiped quickly
# The keyring test does not require private key to steal tokens from you
KEYRING="test"
KEYALGO="eth_secp256k1"
LOGLEVEL="info"
# Set dedicated home directory for the evmosd instance
HOMEDIR="$HOME/.tmp-evmosd"
# to trace evm
#TRACE="--trace"
TRACE=""
# feemarket params basefee
BASEFEE=1000000000
# 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
# Parse input flags
install=true
overwrite=""
while [[ $# -gt 0 ]]; do
key="$1"
case $key in
-y)
echo "Flag -y passed -> Overwriting the previous chain data."
overwrite="y"
shift # Move past the flag
;;
-n)
echo "Flag -n passed -> Not overwriting the previous chain data."
overwrite="n"
shift # Move past the argument
;;
--no-install)
echo "Flag --no-install passed -> Skipping installation of the evmosd binary."
install=false
shift # Move past the flag
;;
*)
echo "Unknown flag passed: $key -> Exiting script!"
exit 1
;;
esac
done
if [[ $install == true ]]; then
# (Re-)install daemon
make install
fi
# User prompt if neither -y nor -n was passed as a flag
# and an existing local node configuration is found.
if [[ $overwrite = "" ]]; then
if [ -d "$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
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
evmosd config keyring-backend "$KEYRING" --home "$HOMEDIR"
evmosd config chain-id "$CHAINID" --home "$HOMEDIR"
# myKey address 0x7cb61d4117ae31a12e393a1cfa3bac666481d02e | evmos10jmp6sgh4cc6zt3e8gw05wavvejgr5pwjnpcky
VAL_KEY="mykey"
VAL_MNEMONIC="gesture inject test cycle original hollow east ridge hen combine junk child bacon zero hope comfort vacuum milk pitch cage oppose unhappy lunar seat"
# dev0 address 0xc6fe5d33615a1c52c08018c47e8bc53646a0e101 | evmos1cml96vmptgw99syqrrz8az79xer2pcgp84pdun
USER1_KEY="dev0"
USER1_MNEMONIC="copper push brief egg scan entry inform record adjust fossil boss egg comic alien upon aspect dry avoid interest fury window hint race symptom"
# dev1 address 0x963ebdf2e1f8db8707d05fc75bfeffba1b5bac17 | evmos1jcltmuhplrdcwp7stlr4hlhlhgd4htqh3a79sq
USER2_KEY="dev1"
USER2_MNEMONIC="maximum display century economy unlock van census kite error heart snow filter midnight usage egg venture cash kick motor survey drastic edge muffin visual"
# dev2 address 0x40a0cb1C63e026A81B55EE1308586E21eec1eFa9 | evmos1gzsvk8rruqn2sx64acfsskrwy8hvrmafqkaze8
USER3_KEY="dev2"
USER3_MNEMONIC="will wear settle write dance topic tape sea glory hotel oppose rebel client problem era video gossip glide during yard balance cancel file rose"
# dev3 address 0x498B5AeC5D439b733dC2F58AB489783A23FB26dA | evmos1fx944mzagwdhx0wz7k9tfztc8g3lkfk6rrgv6l
USER4_KEY="dev3"
USER4_MNEMONIC="doll midnight silk carpet brush boring pluck office gown inquiry duck chief aim exit gain never tennis crime fragile ship cloud surface exotic patch"
# Import keys from mnemonics
echo "$VAL_MNEMONIC" | evmosd keys add "$VAL_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$HOMEDIR"
# Store the validator address in a variable to use it later
node_address=$(evmosd keys show -a "$VAL_KEY" --keyring-backend "$KEYRING" --home "$HOMEDIR")
echo "$USER1_MNEMONIC" | evmosd keys add "$USER1_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$HOMEDIR"
echo "$USER2_MNEMONIC" | evmosd keys add "$USER2_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$HOMEDIR"
echo "$USER3_MNEMONIC" | evmosd keys add "$USER3_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$HOMEDIR"
echo "$USER4_MNEMONIC" | evmosd keys add "$USER4_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$HOMEDIR"
# Set moniker and chain-id for Evmos (Moniker can be anything, chain-id must be an integer)
evmosd init $MONIKER -o --chain-id "$CHAINID" --home "$HOMEDIR"
# Change parameter token denominations to aevmos
jq '.app_state["staking"]["params"]["bond_denom"]="aevmos"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
jq '.app_state["crisis"]["constant_fee"]["denom"]="aevmos"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
jq '.app_state["gov"]["deposit_params"]["min_deposit"][0]["denom"]="aevmos"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
# When upgrade to cosmos-sdk v0.47, use gov.params to edit the deposit params
jq '.app_state["gov"]["params"]["min_deposit"][0]["denom"]="aevmos"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
jq '.app_state["evm"]["params"]["evm_denom"]="aevmos"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
jq '.app_state["inflation"]["params"]["mint_denom"]="aevmos"' "$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" "$GENESIS"
# Set claims start time
current_date=$(date -u +"%Y-%m-%dT%TZ")
jq -r --arg current_date "$current_date" '.app_state["claims"]["params"]["airdrop_start_time"]=$current_date' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
# Set claims records for validator account
amount_to_claim=10000
jq -r --arg node_address "$node_address" --arg amount_to_claim "$amount_to_claim" '.app_state["claims"]["claims_records"]=[{"initial_claimable_amount":$amount_to_claim, "actions_completed":[false, false, false, false],"address":$node_address}]' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
# Set claims decay
jq '.app_state["claims"]["params"]["duration_of_decay"]="1000000s"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
jq '.app_state["claims"]["params"]["duration_until_decay"]="100000s"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
# Claim module account:
# 0xA61808Fe40fEb8B3433778BBC2ecECCAA47c8c47 || evmos15cvq3ljql6utxseh0zau9m8ve2j8erz89m5wkz
jq -r --arg amount_to_claim "$amount_to_claim" '.app_state["bank"]["balances"] += [{"address":"evmos15cvq3ljql6utxseh0zau9m8ve2j8erz89m5wkz","coins":[{"denom":"aevmos", "amount":$amount_to_claim}]}]' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
# Set base fee in genesis
jq '.app_state["feemarket"]["params"]["base_fee"]="'${BASEFEE}'"' "$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 and all APIs for dev node
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"
sed -i '' 's/enable = false/enable = true/g' "$APP_TOML"
# Don't enable memiavl by default
grep -q -F '[memiavl]' "$APP_TOML" && sed -i '' '/\[memiavl\]/,/^\[/ s/enable = true/enable = false/' "$APP_TOML"
else
sed -i 's/prometheus = false/prometheus = true/' "$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"
sed -i 's/enable = false/enable = true/g' "$APP_TOML"
# Don't enable memiavl by default
grep -q -F '[memiavl]' "$APP_TOML" && sed -i '/\[memiavl\]/,/^\[/ s/enable = true/enable = false/' "$APP_TOML"
fi
# Change proposal periods to pass within a reasonable time for local testing
sed -i.bak 's/"max_deposit_period": "172800s"/"max_deposit_period": "30s"/g' "$GENESIS"
sed -i.bak 's/"voting_period": "172800s"/"voting_period": "30s"/g' "$GENESIS"
# set custom pruning settings
sed -i.bak 's/pruning = "default"/pruning = "custom"/g' "$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)
evmosd add-genesis-account "$(evmosd keys show "$VAL_KEY" -a --keyring-backend "$KEYRING" --home "$HOMEDIR")" 100000000000000000000000000aevmos --keyring-backend "$KEYRING" --home "$HOMEDIR"
evmosd add-genesis-account "$(evmosd keys show "$USER1_KEY" -a --keyring-backend "$KEYRING" --home "$HOMEDIR")" 1000000000000000000000aevmos --keyring-backend "$KEYRING" --home "$HOMEDIR"
evmosd add-genesis-account "$(evmosd keys show "$USER2_KEY" -a --keyring-backend "$KEYRING" --home "$HOMEDIR")" 1000000000000000000000aevmos --keyring-backend "$KEYRING" --home "$HOMEDIR"
evmosd add-genesis-account "$(evmosd keys show "$USER3_KEY" -a --keyring-backend "$KEYRING" --home "$HOMEDIR")" 1000000000000000000000aevmos --keyring-backend "$KEYRING" --home "$HOMEDIR"
evmosd add-genesis-account "$(evmosd keys show "$USER4_KEY" -a --keyring-backend "$KEYRING" --home "$HOMEDIR")" 1000000000000000000000aevmos --keyring-backend "$KEYRING" --home "$HOMEDIR"
# bc is required to add these big numbers
# NOTE: we have the validator account (1e26) plus 4 (1e21) accounts
# plus the claimed amount (1e4)
total_supply=100004000000000000000010000
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
evmosd gentx "$VAL_KEY" 1000000000000000000000aevmos --gas-prices ${BASEFEE}aevmos --keyring-backend "$KEYRING" --chain-id "$CHAINID" --home "$HOMEDIR"
## In case you want to create multiple validators at genesis
## 1. Back to `evmosd keys add` step, init more keys
## 2. Back to `evmosd add-genesis-account` step, add balance for those
## 3. Clone this ~/.evmosd home directory into some others, let's say `~/.clonedEvmosd`
## 4. Run `gentx` in each of those folders
## 5. Copy the `gentx-*` folders under `~/.clonedEvmosd/config/gentx/` folders into the original `~/.evmosd/config/gentx`
# Collect genesis tx
evmosd collect-gentxs --home "$HOMEDIR"
# Run this to ensure everything worked and that the genesis file is setup correctly
evmosd validate-genesis --home "$HOMEDIR"
if [[ $1 == "pending" ]]; then
echo "pending mode is on, please wait for the first block committed."
fi
fi
# Start the node
evmosd start \
--metrics "$TRACE" \
--log_level $LOGLEVEL \
--minimum-gas-prices=0.0001aevmos \
--json-rpc.api eth,txpool,personal,net,debug,web3 \
--json-rpc.ws-address="0.0.0.0:8546" \
--home "$HOMEDIR" \
--chain-id "$CHAINID"