From 4f3362abc23c052283da76b020651f4463e0d443 Mon Sep 17 00:00:00 2001 From: Alexander Popiak Date: Tue, 26 Oct 2021 17:32:13 +0200 Subject: [PATCH] add script to generate shell spec from runtime wasm --- scripts/create_shell_spec.sh | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100755 scripts/create_shell_spec.sh diff --git a/scripts/create_shell_spec.sh b/scripts/create_shell_spec.sh new file mode 100755 index 0000000000..07fb53b716 --- /dev/null +++ b/scripts/create_shell_spec.sh @@ -0,0 +1,31 @@ +#!/usr/bin/env bash + +usage() { + echo Usage: + echo "$0 " + exit 1 +} + +set -e + +rt_path=$1 + +binary="./target/release/polkadot-collator" + +# build the chain spec we'll manipulate +$binary build-spec --chain shell > shell-spec-plain.json + +# convert runtime to hex +cat $rt_path | od -A n -v -t x1 | tr -d ' \n' > shell-hex.txt + +# replace the runtime in the spec with the given runtime +cat shell-spec-plain.json | jq --rawfile code shell-hex.txt '.genesis.runtime.system.code = ("0x" + $code)' > edited-shell-plain.json + +# build a raw spec +$binary build-spec --chain edited-shell-plain.json --raw > shell-spec-raw.json + +# build genesis data +$binary export-genesis-state --parachain-id=1000 --chain shell-spec-raw.json > shell_genesis + +# build genesis wasm +$binary export-genesis-wasm --chain shell-spec-raw.json > shell_wasm