oraclesio.py

#!/usr/bin/env python3
import sys
import codecs
import requests
import time
import getconf

def write2oracle(CHAIN, ORCLID, MSG):
	#print("MSG: " + MSG)
	rawhex = codecs.encode(MSG).hex()

	#get length in bytes of hex in decimal
	bytelen = int(len(rawhex) / int(2))
	hexlen = format(bytelen, 'x')

	#get length in big endian hex
	if bytelen < 16:
	    bigend = "000" + str(hexlen)
	elif bytelen < 256:
	    bigend = "00" + str(hexlen)
	elif bytelen < 4096:
	    bigend = "0" + str(hexlen)
	elif bytelen < 65536:
	    bigend = str(hexlen)
	else:
	    print("message too large, must be less than 65536 characters")

	#convert big endian length to little endian, append rawhex to little endian length
	lilend = bigend[2] + bigend[3] + bigend[0] + bigend[1]
	fullhex = lilend + rawhex

	#print("fullhex: "+ fullhex)
	oraclesdata_result = getconf.oraclesdata_rpc(CHAIN, ORCLID, fullhex)
	#print(str(oraclesdata_result))
	result = oraclesdata_result['result']
	if result == 'error':
	    print('ERROR:' + oraclesdata_result['error'] + ', try using oraclesregister if you have not already')
	else:
		print('event written to '+CHAIN)
		print('aes: '+MSG)
		rawtx = oraclesdata_result['hex']
		sendrawtx_result = getconf.sendrawtx_rpc(CHAIN, rawtx)
	return result