'''

Run using python 2.7 because PYOTA is compatible with Python 2.7 but not Python 3.7

'''

from iota import Iota

from iota import ProposedTransaction

from iota import Address

from iota import Tag

from iota import TryteString

from json import load

def sendTX(msg):

'''

PURPOSE: send transaction to the Tangle

INPUT:

address from a seed different than the one in this script

OUTPUT:

TX to devnet

'''

seed = 'SEED99999999999999999999999999999999999999999999999999999999999999999999999999999'

address = 'ADDRESS9FROM9DIFFERENT9SEED999999999999999999999999999999999999999999999999999999'

api = Iota('https://nodes.devnet.iota.org:443', seed)

tx = ProposedTransaction(

address=Address(address),

message=TryteString.from_unicode(msg),

tag=Tag('YOURTAG'),

value=0

)

try:

tx = api.prepare_transfer(transfers=[tx])

except Exception as e:

print("Check prepare_transfer ", e)

raise

try:

result = api.send_trytes(tx['trytes'],depth=3,min_weight_magnitude=9)

except:

print("Check send_trytes")

if __name__=="__main__":

f = open("airquality.csv","r")

msg = f.readlines()[-1]

msg = msg.strip("\n")

print(msg)

try:

sendTX(msg)

except e:

print("Check devnet",e)

f.close()