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Sending IOTA transaction in more granular way: API calls Prepare_transfer() and Send_transfer()
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# The snippet is a part of the IOTA Developer Essentials project. You can reach it at https://hribek25.github.io/IOTA101/ | |
# Complete description and story behind the snippet is available at: https://hribek25.github.io/IOTA101/Allchapters_python.ipynb.html#07CFD43B146C | |
# Requirement: PyOTA library (!pip install pyota) | |
import iota | |
from datetime import datetime | |
from pprint import pprint | |
MySeed = b"HGW9HB9LJPYUGVHNGCPLFKKPNZAIIFHZBDHKSGMQKFMANUBASSMSV9TAJSSMPRZZU9SFZULXKJ9YLAIUA" | |
TargetAddress1 = b"CXDUYK9XGHC9DTSPDMKGGGXAIARSRVAFGHJOCDDHWADLVBBOEHLICHTMGKVDOGRU9TBESJNHAXYPVJ9R9" | |
TargetAddress2 = b"CYJV9DRIE9NCQJYLOYOJOGKQGOOELTWXVWUYGQSWCNODHJAHACADUAAHQ9ODUICCESOIVZABA9LTMM9RW" | |
NowIs = datetime.now() # get a actual date & time - just to have some meaningfull info | |
# preparing transactions | |
pt = iota.ProposedTransaction(address = iota.Address(TargetAddress1), # 81 trytes long address | |
message = iota.TryteString.from_unicode('Here comes a first message. Now is %s' % (NowIs)), | |
tag = iota.Tag(b'HRIBEK999IOTA999TUTORIAL'), # Up to 27 trytes | |
value = 0) | |
pt2 = iota.ProposedTransaction(address = iota.Address(TargetAddress2), # 81 trytes long address | |
message = iota.TryteString.from_unicode('Here comes a second message. Now is %s' % (NowIs)), | |
tag = iota.Tag(b'HRIBEK999IOTA999TUTORIAL'), # Up to 27 trytes | |
value = 0) | |
# besides the given attributes, library also adds a transaction timestamp | |
api = iota.Iota("https://nodes.thetangle.org:443") | |
# Creating bundle, preparing inputs and finalizing bundle. It returns trytes of prepared TXs | |
Trytes = api.prepare_transfer(transfers=[pt,pt2]) | |
print("Almost prepared bundle - tips and POW are still missing") | |
pprint(Trytes) | |
print("\nSearching for tips and performing POW... Wait please...") | |
Result = api.send_trytes(trytes=Trytes["trytes"], | |
depth=3) # Searching for tips, performing POW and broadcasting | |
print("Bundle was broadcasted.") | |
print("\nFinal transactions were returned - including nonce (POW)") | |
pprint(Result) |
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