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local_node.sh
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#!/bin/bash
KEYS[0]="dev0"
KEYS[1]="dev1"
KEYS[2]="dev2"
CHAINID="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 sequencerd instance
HOMEDIR="$HOME/.tmp-sequencerd"
# to trace evm
#TRACE="--trace"
TRACE=""
# Path variables
CONFIG=$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
sequencerd config keyring-backend $KEYRING --home "$HOMEDIR"
sequencerd config chain-id $CHAINID --home "$HOMEDIR"
# If keys exist they should be deleted
for KEY in "${KEYS[@]}"; do
sequencerd keys add "$KEY" --keyring-backend $KEYRING --algo $KEYALGO --home "$HOMEDIR"
done
# Set moniker and chain-id for Evmos (Moniker can be anything, chain-id must be an integer)
sequencerd 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"
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 block time
# jq '.consensus_params["block"]["time_iota_ms"]="16"' "$GENESIS" >"$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" "$GENESIS"
# Set claims records for validator account
amount_to_claim=10000
claims_key=${KEYS[0]}
node_address=$(sequencerd keys show "$claims_key" --keyring-backend $KEYRING --home "$HOMEDIR" | grep "address" | cut -c12-)
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"' >"$TMP_GENESIS" "$GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
jq '.app_state["claims"]["params"]["duration_until_decay"]="100000s"' >"$TMP_GENESIS" "$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"
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' "$HOMEDIR"/config/genesis.json
# set custom pruning settings
sed -i.bak 's/pruning = "default"/pruning = "custom"/g' "$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"
# disable produce empty block
# sed -i '' 's/create_empty_blocks = true/create_empty_blocks = false/g' "$CONFIG"
# sed -i '' 's/create_empty_blocks_interval = "0s"/create_empty_blocks_interval = "30s"/g' "$CONFIG"
# Allocate genesis accounts (cosmos formatted addresses)
for KEY in "${KEYS[@]}"; do
sequencerd add-genesis-account "$KEY" 100000000000000000000000000aevmos --keyring-backend $KEYRING --home "$HOMEDIR"
done
# bc is required to add these big numbers
total_supply=$(echo "${#KEYS[@]} * 100000000000000000000000000 + $amount_to_claim" | bc)
jq -r --arg total_supply "$total_supply" '.app_state["bank"]["supply"][0]["amount"]=$total_supply' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
# Sign genesis transaction
sequencerd gentx "${KEYS[0]}" 1000000000000000000000aevmos --keyring-backend $KEYRING --chain-id $CHAINID --home "$HOMEDIR"
## In case you want to create multiple validators at genesis
## 1. Back to `sequencerd keys add` step, init more keys
## 2. Back to `sequencerd add-genesis-account` step, add balance for those
## 3. Clone this ~/.sequencerd 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 `~/.sequencerd/config/gentx`
# Collect genesis tx
sequencerd collect-gentxs --home "$HOMEDIR"
# Run this to ensure everything worked and that the genesis file is setup correctly
sequencerd validate-genesis --home "$HOMEDIR"
if [[ $1 == "pending" ]]; then
echo "pending mode is on, please wait for the first block committed."
fi
fi
# Start the node (remove the --pruning=nothing flag if historical queries are not needed)
sequencerd start --metrics "$TRACE" --log_level $LOGLEVEL --minimum-gas-prices=0.0001aevmos --json-rpc.api eth,txpool,personal,net,debug,web3 --api.enable --home "$HOMEDIR"