hardfork test: implement a script that's designed specifically to patch on config generated by mina advanced generate-hard-fork-config

Author: glyh

scripts/hardfork/patch-runtime-config-advanced-gen-fork-config.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+
+# NOTE: This script patches the genesis timestamp of a fork config so a new 
+# network could be schedueld to genesis in some instant in the future.
+# It differs from create_runtime_config.sh in that it's aimed at dealing with 
+# output generated by `mina advanced generate-hard-fork-config`
+
+set -eux -o pipefail
+
+# ==================== Inputs to this script ====================
+# The fork config we aim to patch on 
+FORK_CONFIG_TO_PATCH=${FORK_CONFIG_TO_PATCH:?FORK_CONFIG_TO_PATCH is not provided}
+# Prefork network slot time in seconds
+PREFORK_SLOT_TIME_SEC=${PREFORK_SLOT_TIME_SEC:?PREFORK_SLOT_TIME_SEC is not provided}
+# Delta in slots between the `slot_chain_end` of prefork network and 
+# `global_slot_since_genesis` of postfork network
+HARDFORK_GENESIS_SLOT_DELTA=${HARDFORK_GENESIS_SLOT_DELTA:?HARDFORK_GENESIS_SLOT_DELTA is not provided}
+# ===============================================================
+
+PREFORK_SLOT_CHAIN_END_TIMESTAMP=$(jq -r '.genesis.genesis_state_timestamp' "$FORK_CONFIG_TO_PATCH")
+PREFORK_SLOT_CHAIN_END=$(jq -r '.proof.fork.global_slot_since_genesis' "$FORK_CONFIG_TO_PATCH")
+
+HARDFORK_GENESIS_SEC_DELTA=$((PREFORK_SLOT_TIME_SEC * HARDFORK_GENESIS_SLOT_DELTA))
+POSTFORK_GENESIS_TIMESTAMP=$(date -u -d "$PREFORK_SLOT_CHAIN_END_TIMESTAMP + $HARDFORK_GENESIS_SEC_DELTA seconds" +"%Y-%m-%dT%H:%M:%S.%6NZ")
+POSTFORK_GENESIS_SLOT=$((PREFORK_SLOT_CHAIN_END + HARDFORK_GENESIS_SLOT_DELTA))
+
+jq -M \
+  --arg genesis_timestamp "$POSTFORK_GENESIS_TIMESTAMP" \
+  --argjson slot "$POSTFORK_GENESIS_SLOT" \
+  ' .genesis.genesis_state_timestamp = $genesis_timestamp
+  | .proof.fork.global_slot_since_genesis = $slot
+  ' \
+  "$FORK_CONFIG_TO_PATCH"