def mint_or_burn_sign(
cluster_obj: clusterlib.ClusterLib,
new_tokens: List[TokenRecord],
temp_template: str,
) -> clusterlib.TxRawOutput:
"""Mint or burn tokens, depending on the `amount` value. Sign using skeys.
Positive `amount` value means minting, negative means burning.
"""
_issuers_addrs = [t.issuers_addrs for t in new_tokens]
issuers_addrs = set(itertools.chain.from_iterable(_issuers_addrs))
issuers_skey_files = {p.skey_file for p in issuers_addrs}
token_mint_addr_skey_files = {
t.token_mint_addr.skey_file
for t in new_tokens
}
src_address = new_tokens[0].token_mint_addr.address
# build and sign a transaction
tx_files = clusterlib.TxFiles(
script_files=clusterlib.ScriptFiles(
minting_scripts=[t.script for t in new_tokens]),
signing_key_files=[*issuers_skey_files, *token_mint_addr_skey_files],
)
mint = [
clusterlib.TxOut(address=t.token_mint_addr.address,
amount=t.amount,
coin=t.token) for t in new_tokens
]
fee = cluster_obj.calculate_tx_fee(
src_address=src_address,
tx_name=temp_template,
tx_files=tx_files,
mint=mint,
# TODO: workaround for https://github.com/input-output-hk/cardano-node/issues/1892
witness_count_add=len(issuers_skey_files),
)
tx_raw_output = cluster_obj.build_raw_tx(
src_address=src_address,
tx_name=temp_template,
tx_files=tx_files,
fee=fee,
mint=mint,
)
out_file_signed = cluster_obj.sign_tx(
tx_body_file=tx_raw_output.out_file,
signing_key_files=tx_files.signing_key_files,
tx_name=temp_template,
)
# submit signed transaction
cluster_obj.submit_tx(tx_file=out_file_signed, txins=tx_raw_output.txins)
return tx_raw_output
def mint_or_burn_witness(
cluster_obj: clusterlib.ClusterLib,
new_tokens: List[TokenRecord],
temp_template: str,
invalid_hereafter: Optional[int] = None,
invalid_before: Optional[int] = None,
) -> clusterlib.TxRawOutput:
"""Mint or burn tokens, depending on the `amount` value. Sign using witnesses.
Positive `amount` value means minting, negative means burning.
"""
_issuers_addrs = [t.issuers_addrs for t in new_tokens]
issuers_addrs = set(itertools.chain.from_iterable(_issuers_addrs))
issuers_skey_files = {p.skey_file for p in issuers_addrs}
src_address = new_tokens[0].token_mint_addr.address
# create TX body
tx_files = clusterlib.TxFiles(
script_files=clusterlib.ScriptFiles(minting_scripts=[t.script for t in new_tokens]),
)
mint = [
clusterlib.TxOut(address=t.token_mint_addr.address, amount=t.amount, coin=t.token)
for t in new_tokens
]
fee = cluster_obj.calculate_tx_fee(
src_address=src_address,
tx_name=temp_template,
tx_files=tx_files,
mint=mint,
# TODO: workaround for https://github.com/input-output-hk/cardano-node/issues/1892
witness_count_add=len(issuers_skey_files),
)
tx_raw_output = cluster_obj.build_raw_tx(
src_address=src_address,
tx_name=temp_template,
tx_files=tx_files,
fee=fee,
invalid_hereafter=invalid_hereafter,
invalid_before=invalid_before,
mint=mint,
)
# create witness file for each required key
witness_files = [
cluster_obj.witness_tx(
tx_body_file=tx_raw_output.out_file,
witness_name=f"{temp_template}_skey{idx}",
signing_key_files=[skey],
)
for idx, skey in enumerate(issuers_skey_files)
]
# sign TX using witness files
tx_witnessed_file = cluster_obj.assemble_tx(
tx_body_file=tx_raw_output.out_file,
witness_files=witness_files,
tx_name=temp_template,
)
# submit signed TX
cluster_obj.submit_tx(tx_file=tx_witnessed_file, txins=tx_raw_output.txins)
return tx_raw_output