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[Wallet/mint] P2PK with timelocks (#270)

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* p2pk with nostr privatekey and timelocks

* add p2pk

* fix test

* fix test with custom secret

* sign whole split transaction

* p2pk signature now commits to entire secret and thus to a nonce

* use schnorr signatures

* revamp P2SH and P2PK with new Secret model

* test p2pk

* add comments

* add nostr private key to tests

* fix nostr receive

* make format

* test redemption after timelock

* refactor Server.serialize()

* sign sha256(secret)

* add optional refund pubkey that triggers after timelock

* use nostr private key for now (including nsec parser)

* use nostr private key and fix tests

* bump version to 0.12.2
This commit is contained in:
callebtc
2023-07-02 01:56:05 +02:00
committed by GitHub
parent 4beaf8ff41
commit 01d498309b
15 changed files with 548 additions and 231 deletions
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20
cashu/core/script.py
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@@ -79,28 +79,28 @@ def step3_bob_verify_script(txin_signature, txin_redeemScript, tx):
raise Exception("Script execution failed:", e)
def verify_script(txin_redeemScript_b64, txin_signature_b64):
def verify_bitcoin_script(txin_redeemScript_b64, txin_signature_b64):
txin_redeemScript = CScript(base64.urlsafe_b64decode(txin_redeemScript_b64))
print("Redeem script:", txin_redeemScript.__repr__())
# print("Redeem script:", txin_redeemScript.__repr__())
# txin_redeemScript = CScript([2, 3, OP_LESSTHAN, OP_VERIFY])
txin_signature = CScript(value=base64.urlsafe_b64decode(txin_signature_b64))
txin_p2sh_address = step1_carol_create_p2sh_address(txin_redeemScript)
print(f"Bob recreates secret: P2SH:{txin_p2sh_address}")
# print(f"Bob recreates secret: P2SH:{txin_p2sh_address}")
# MINT checks that P2SH:txin_p2sh_address has not been spent yet
# ...
tx, _ = step1_bob_carol_create_tx(txin_p2sh_address)
print(
f"Bob verifies:\nscript: {txin_redeemScript_b64}\nsignature: {txin_signature_b64}\n"
)
# print(
# f"Bob verifies:\nscript: {txin_redeemScript_b64}\nsignature: {txin_signature_b64}\n"
# )
script_valid = step3_bob_verify_script(txin_signature, txin_redeemScript, tx)
# MINT redeems tokens and stores P2SH:txin_p2sh_address
# ...
if script_valid:
print("Successfull.")
else:
print("Error.")
# if script_valid:
# print("Successfull.")
# else:
# print("Error.")
return txin_p2sh_address, script_valid