Change Details

``` make check ninja check # show help message generate-bestchainparams.sh generate-bestchainparams.sh -h generate-bestchainparams.sh -b <some valid or invalid hash> generate-bestchainparams.sh -c <some valid or invalid hex> # show error generate-bestchainparams.sh -b <some valid hash> -c <various invalid hex values> generate-bestchainparams.sh -b <various invalid hashes> -c <some valid hex> # generates expected output generate-bestchainparams.sh -b 00000000000000000401095ca2933cc4729484965e66e6a9f8e937070cc8e971 -c 000000000000000000000000000000000000000000f22fbd89943b5f5104e4ec generate-bestchainparams.sh -b 00000000001b618c015c41cc218a60a5a94bc42e16e30f1426cfc138615201c3 -c 00000000000000000000000000000000000000000000004f587a0e52b7984751 -t ```

``` make check ninja check ninja check-devtools # run bitcoind for both mainnet and testnet bitcoind bitcoind --testnet # show help message generate_bestchainparams.py generate_bestchainparams.py -h generate_bestchainparams.py --help # show error generate_bestchainparams.py -t <some invalid hash> generate_bestchainparams.py -m <some invalid hash> generate_bestchainparams.py --cli <some invalid path> # generates expected output generate_bestchainparams.py --cli <path to bitcoin-cli> generate_bestchainparams.py --cli <path to bitcoin-cli> -m <some mainnet block hash or height> generate_bestchainparams.py --cli <path to bitcoin-cli> -t <some testnet block hash or height> generate_bestchainparams.py --cli <path to bitcoin-cli> -m <valid mainnet block> -t <valid testnet block> # saves output to file generate_bestchainparams.py --cli <path to bitcoin-cli> -m 588857 -t 1309000 > ../../src/chainparamsbestchain.h ```

``` make check ninja check ninja check-devtools # show help message# run bitcoind for both mainnet and testnet bitcoind generate-bestchainparams.shbitcoind --testnet # show help message generate-_bestchainparams.sh -hpy generate-_bestchainparams.sh -b <some valid or invalid hash>py -h generate-_bestchainparams.sh -c <some valid or invalid hex>py --help # show error generate-_bestchainparams.sh -bpy -t <some valid hash> -c <various invalid hex valuesash> generate-_bestchainparams.sh -b <variouspy -m <some invalid hashes> -c> generate_bestchainparams.py --cli <some invalid hexpath> # generates expected output generate-bestchainparams.sh -b 00000000000000000401095ca2933cc4729484965e66e6a9f8e937070cc8e971 -c 000000000000000000000000000000000000000000f22fbd89943b5f5104e4ec_bestchainparams.py --cli <path to bitcoin-cli> generate_bestchainparams.py --cli <path to bitcoin-cli> -m <some mainnet block hash or height> generate_bestchainparams.py --cli <path to bitcoin-cli> -t <some testnet block hash or height> generate_bestchainparams.py --cli <path to bitcoin-cli> -m <valid mainnet block> -t <valid testnet block> # saves output to file generate-bestchainparams.sh -b 00000000001b618c015c41cc218a60a5a94bc42e16e30f1426cfc138615201c3 -c 00000000000000000000000000000000000000000000004f587a0e52b7984751 -t_bestchainparams.py --cli <path to bitcoin-cli> -m 588857 -t 1309000 > ../../src/chainparamsbestchain.h ```