issue_asset.py

from lwk import *

node = TestEnv() # launch electrs and elementsd


mnemonic = Mnemonic("abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about")
network = Network.regtest_default()
policy_asset = network.policy_asset()
client = ElectrumClient(node.electrum_url(), tls=False, validate_domain=False)

signer = Signer(mnemonic, network)
desc = signer.wpkh_slip77_descriptor()

assert(str(desc) == "ct(slip77(9c8e4f05c7711a98c838be228bcb84924d4570ca53f35fa1c793e58841d47023),elwpkh([73c5da0a/84'/1'/0']tpubDC8msFGeGuwnKG9Upg7DM2b4DaRqg3CUZa5g8v2SRQ6K4NSkxUgd7HsL2XVWbVm39yBA4LAxysQAm397zwQSQoQgewGiYZqrA9DsP4zbQ1M/<0;1>/*))#2e4n992d")

wollet = Wollet(network, desc, datadir=None)
wollet_address_result = wollet.address(0)
assert(wollet_address_result.index() == 0)
wollet_adddress = wollet_address_result.address()
assert(str(wollet_adddress) == "el1qq2xvpcvfup5j8zscjq05u2wxxjcyewk7979f3mmz5l7uw5pqmx6xf5xy50hsn6vhkm5euwt72x878eq6zxx2z0z676mna6kdq")

funded_satoshi = 100000
txid = node.send_to_address(wollet_address_result.address(), funded_satoshi, asset=None)
wollet.wait_for_tx(txid, client)

assert(wollet.balance()[policy_asset] == funded_satoshi)

contract = Contract(domain = "ciao.it", issuer_pubkey = "0337cceec0beea0232ebe14cba0197a9fbd45fcf2ec946749de920e71434c2b904", name = "name", precision = 8, ticker = "TTT", version = 0)
assert(str(contract) == '{"entity":{"domain":"ciao.it"},"issuer_pubkey":"0337cceec0beea0232ebe14cba0197a9fbd45fcf2ec946749de920e71434c2b904","name":"name","precision":8,"ticker":"TTT","version":0}')

issued_asset = 10000
reissuance_tokens = 1
builder = network.tx_builder()
builder.issue_asset(issued_asset, wollet_adddress, reissuance_tokens, wollet_adddress, contract)
unsigned_pset = builder.finish(wollet)
signed_pset = signer.sign(unsigned_pset)
finalized_pset = wollet.finalize(signed_pset)
tx = finalized_pset.extract_tx()
txid = client.broadcast(tx)

asset_id = signed_pset.inputs()[0].issuance_asset()
token_id = signed_pset.inputs()[0].issuance_token()

wollet.wait_for_tx(txid, client)

assert(wollet.balance()[asset_id] == issued_asset)
assert(wollet.balance()[token_id] == reissuance_tokens)

## reissue the asset
reissue_asset = 100
builder = network.tx_builder()
builder.reissue_asset(asset_id, 100, None, None)
unsigned_pset = builder.finish(wollet)
signed_pset = signer.sign(unsigned_pset)
finalized_pset = wollet.finalize(signed_pset)
tx = finalized_pset.extract_tx()
txid = client.broadcast(tx)


wollet.wait_for_tx(txid, client)

assert(wollet.balance()[asset_id] == issued_asset + reissue_asset)