populate_config.sh

#!/usr/bin/env bash

set -eu

source <(grep -v '^#' "./.env" | sed -E 's|^(.+)=(.*)$|: ${\1=\2}; export \1|g')

declare -A NODES=( 
    ["flare"]="https://flare-api.flare.network/ext/C/rpc"
    ["songbird"]="https://songbird-api.flare.network/ext/C/rpc"
    ["coston"]="https://coston-api.flare.network/ext/C/rpc"
    ["coston2"]="https://coston2-api.flare.network/ext/C/rpc"
)
ROOT_DIR="$(pwd)"
CONFIG_DIR="${ROOT_DIR}/config/${NETWORK}"

CHAIN_CONFIG="${CONFIG_DIR}/config.json"
DEPLOYED_CONTRACTS="${CONFIG_DIR}/contracts.json"
INITIAL_REWARD_EPOCH="${CONFIG_DIR}/initial_reward_epoch.txt"
CHAIN_ID_FILE="${CONFIG_DIR}/chain_id.txt"

get_address_by_name() {
    name="$1"
    echo $(jq -r ".[] | select(.name == \"$name\") | .address" "$DEPLOYED_CONTRACTS")
}

main() {

    if [ -d "mounts" ] || [ -f "mounts" ]; then
        echo "cleaning configs from previous runs:"
        echo "rm -r mounts"
        rm -r "mounts"
    fi
    echo ""

    mount_dirs=(
        "mounts/client/"
        "mounts/indexer/"
        "mounts/scaling/"
        "mounts/fast-updates/"
    )

    echo "preparing mount dirs:"
    for dest in "${mount_dirs[@]}"; do
        echo "mkdir -p $dest"
        mkdir -p "$dest"
    done
    echo ""

    echo "writing configs for indexer, client, scaling and fast-updates"

    # read contract adresses
    export SUBMISSION=$(get_address_by_name "Submission")
    export RELAY=$(get_address_by_name "Relay")
    export FLARE_SYSTEMS_MANAGER=$(get_address_by_name "FlareSystemsManager")
    export VOTER_REGISTRY=$(get_address_by_name "VoterRegistry")
    export FLARE_SYSTEMS_CALCULATOR=$(get_address_by_name "FlareSystemsCalculator")
    export FTSO_REWARD_OFFERS_MANAGER=$(get_address_by_name "FtsoRewardOffersManager")
    export REWARD_MANAGER=$(get_address_by_name "RewardManager")
    export FAST_UPDATER=$(get_address_by_name "FastUpdater")
    export FAST_UPDATES_CONFIGURATION=$(get_address_by_name "FastUpdatesConfiguration")
    export FAST_UPDATE_INCENTIVE_MANAGER=$(get_address_by_name "FastUpdateIncentiveManager")

    # read config parameters
    export FIRST_VOTING_EPOCH_START_SEC=$(jq -r .firstVotingRoundStartTs "$CHAIN_CONFIG")
    export VOTING_EPOCH_DURATION_SEC=$(jq -r .votingEpochDurationSeconds "$CHAIN_CONFIG")
    export FIRST_REWARD_EPOCH_START_VOTING_ID=$(jq -r .firstRewardEpochStartVotingRoundId "$CHAIN_CONFIG")
    export REWARD_EPOCH_DURATION_IN_VOTING_EPOCHS=$(jq -r .rewardEpochDurationInVotingEpochs "$CHAIN_CONFIG")
    export INITIAL_REWARD_EPOCH_ID=$(cat "$INITIAL_REWARD_EPOCH")

    # chain id
    export CHAIN_ID=$(cat "$CHAIN_ID_FILE")

    # block height
    block_hex=$(curl -s "${NODES["$NETWORK"]}" \
        -X POST \
        -H "Content-Type: application/json" \
        --data '{"method":"eth_blockNumber","params":[],"id":1,"jsonrpc":"2.0"}' \
        | jq -r '.result')
    export INDEXER_START_BLOCK=$((16#${block_hex/0x/} - 1000000))

    # write configs

    # indexer
    mkdir -p "mounts/indexer/"
    CONFIG_FILE="mounts/indexer/config.toml"
    envsubst < "template-configs/indexer.template.toml" > "$CONFIG_FILE"

    # client
    mkdir -p "mounts/client"
    CONFIG_FILE="mounts/client/config.toml"
    envsubst < "template-configs/client.template.toml" > "$CONFIG_FILE"

    # scaling
    mkdir -p "mounts/scaling"
    CONFIG_FILE="mounts/scaling/.env"
    envsubst < "template-configs/scaling.env" > "$CONFIG_FILE"
    
    # fast updates
    mkdir -p "mounts/fast-updates"
    CONFIG_FILE="mounts/fast-updates/config.toml"
    envsubst < "template-configs/fast-updates.template.toml" > "$CONFIG_FILE"
}

main