createTxnTypes.py

appendageParseFunctionDict = {0x000b : 4, 0x00fc: 4, 0x0202: 5, 0x0302: 5, 0x0102: 7}


def main():

	with open("txtypes.txt", "r") as f:

		out = '// This is an auto generated file by createTxnTypes.py\n\n'
		out += '#include <stdint.h>\n#include "ardor.h"\n\n'
		varDeclaration = 'const txnType TXN_TYPES[] = {'
		out += varDeclaration

		lines = f.readlines()

		indent = None
		for line in lines:
			txtype, txSubType, name = line.split(',')

			txtype = int(txtype) & 0xFF
			txSubType = int(txSubType) & 0xFF

			parseFunction = appendageParseFunctionDict.get(txSubType * 256 + txtype , 0)

			# indent from the second line with len(varDeclaration) spaces
			if indent is None:
				indent = ''
			else:
				indent = ' ' * len(varDeclaration)

			out += indent + '{' + '0x{:02x}{:02x}, "{}", {}'.format(txSubType, txtype, name.rstrip(), parseFunction) + '},\n'


		print(out[0:-2] + "};")

	print("\nconst uint8_t LEN_TXN_TYPES = {};".format(len(lines)))

if __name__ == "__main__":
	main()