wait-for-mirror-node.sh

#!/bin/bash

set -euo pipefail

CI=${CI:-false}

if [[ "$CI" = "true" ]]; then
    sleep 30
else
    sleep 5
fi

network_identifier=""

echo "Waiting for Mirror Node to start syncing"
while true;
do
    response="$(curl -sL -w "%{http_code}" -d '{"metadata":{}}' -i "http://localhost:5700/network/list")"
    http_code="$(tail -n1 <<< "${response}")"
    if [[ "${http_code}" = "200" ]]; then
        echo "Mirror Node has started initialising"
        network_identifier=$(tail -n2 <<< "$response" | head -n1 | jq '.network_identifiers[0]')
        break
    fi

    sleep 1
done

if [[ -z "${network_identifier}" ]]; then
    echo "Rosetta Network Identifier has not been provided"
    echo "Exiting"
    exit 1
fi

SECONDS=0
max_wait_seconds=${MAX_WAIT_SECONDS:-120}

while [[ "${SECONDS}" -lt "${max_wait_seconds}" ]];
do
    body="{ \"network_identifier\": ${network_identifier}, \"metadata\": {} }"
    response=$(curl -sL -w "%{http_code}" -d "${body}" -i "http://localhost:5700/network/status")
    http_code=$(tail -n1 <<< "${response}")

    if [[ "${http_code}" = "200" ]]; then
        current_block_index=$(tail -n2 <<< "${response}" | head -n1 | jq '.current_block_identifier.index')
        if [[ "$current_block_index" != "0" ]]; then
            echo "Mirror Node syncing has started"
            exit 0
        else
            echo "Mirror Node syncing has not started yet"
        fi
    else
        echo "Mirror Node syncing has not started yet"

        response_body="$(tail -n2 <<< "${response}" | head -n1)"
        retryable="$(echo "${response_body}" | jq '.retriable')"

        if [[ "${retryable}" = false ]]; then
            echo "Request cannot be retried, response body: ${response_body}"
            echo "Exiting"
            exit 1
        fi
    fi

    sleep 5
done

echo "Timed out while waiting for the mirror node"
exit 1