Differential D3502 Diff 9864 contrib/devtools/generate-bestchainparams.sh

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contrib/devtools/generate-bestchainparams.sh

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File Mode	null	100755

				#!/bin/bash

				# set -e Script exits immediately when a command fails.
				# set -u Treats unset variables as a failure.
				set -eu

				help_message() {
				echo "Generate a chainparams chain source file."
				echo "Usage: $0 <options> > chainparamsbestchainmainnet.h"
				FabienUnsubmitted Not Done Inline Actions The script help message doesn't match the code, it states that every argument is an option while 2 over 3 are mandatory. Fabien: The script help message doesn't match the code, it states that every argument is an option…
				echo "-b, --blockhash <hash> The block hash to update defaultAssumeValid to."
				echo "-c, --chainwork <hex> The chainwork to update nMinimumChainWork to."
				echo "-t, --testnet If set, testnet chainparams will be updated instead of mainnet chainparams."
				}

				BLOCK_HASH=""
				CHAIN_WORK=""
				CHAIN="MainNet"

				# Parse command line arguments
				while [[ $# -gt 0 ]]; do
				case "$1" in
				-b\|--blockhash)
				BLOCK_HASH="$2"
				shift # shift past argument
				shift # shift past value
				;;
				-c\|--chainwork)
				CHAIN_WORK="$2"
				shift # shift past argument
				shift # shift past value
				;;
				-h\|--help)
				help_message
				exit 0
				;;
				-t\|--testnet)
				CHAIN="TestNet"
				shift # shift past argument
				;;
				*)
				echo "Unknown argument: $1"
				help_message
				exit 1
				;;
				esac
				done

				if [ -z "$BLOCK_HASH" ]; then
				echo "Block hash is not set."
				echo ""
				help_message
				exit 1
				fi
				if [[ ! "$BLOCK_HASH" =~ ^[0-9a-z]{64}$ ]]; then
				FabienUnsubmitted Not Done Inline Actions `[0-9a-f]` is enough Fabien: `[0-9a-f]` is enough
				echo "Block hash is not a valid block hash."
				exit 1
				fi

				if [ -z "$CHAIN_WORK" ]; then
				echo "Chain work is not set."
				echo ""
				help_message
				exit 1
				fi
				if [[ ! "$CHAIN_WORK" =~ ^[0-9a-z]{64}$ ]]; then
				FabienUnsubmitted Not Done Inline Actions Dito Fabien: Dito
				echo "Chain work is not a valid uint256 hex value."
				exit 1
				fi

				echo "// Copyright (c) 2019 The Bitcoin developers"
				echo "// Distributed under the MIT software license, see the accompanying"
				echo "// file COPYING or http://www.opensource.org/licenses/mit-license.php."
				echo ""
				echo "// This file is autogenerated. See /contrib/devtools/generate-chainparams.sh"
				echo ""
				echo "#ifndef BITCOIN_CHAINPARAMSBESTCHAIN${CHAIN^^}_H"
				echo "#define BITCOIN_CHAINPARAMSBESTCHAIN${CHAIN^^}_H"
				echo ""
				echo "#include <uint256.h>"
				echo ""
				echo "static inline uint256 Get${CHAIN}MinimumChainWork() {"
				echo " return uint256S("
				echo " \"${CHAIN_WORK}\");"
				echo "};"
				echo ""
				echo "static inline uint256 Get${CHAIN}DefaultAssumeValid() {"
				echo " return uint256S("
				echo " \"${BLOCK_HASH}\");"
				echo "};"
				echo "#endif // BITCOIN_CHAINPARAMSBESTCHAIN${CHAIN^^}_H"
				deadalnixUnsubmitted Not Done Inline Actions So this is just formatting a string? You realize that the caller will have to format a string, with the parameters, to create a command line? This part of the patch is absolutely not useful. deadalnix: So this is just formatting a string? You realize that the caller will have to format a string…