def test_TestTransactionSignInputs():
handle = utils.makeEmptyTransaction()
# Panics if txns already signed
sig = skycoin.cipher_Sig()
assert skycoin.SKY_coin_Transaction_PushSignature(handle, sig) == skycoin.SKY_OK
secKeys = []
secKeys.append(skycoin.cipher_SecKey())
# Panics if not enough keys
handle = utils.makeEmptyTransaction()
ux, s = utils.makeUxOutWithSecret()
h = skycoin.cipher_SHA256()
assert skycoin.SKY_coin_UxOut_Hash(ux, h) == skycoin.SKY_OK
err, _ = skycoin.SKY_coin_Transaction_PushInput(handle, h)
assert err == skycoin.SKY_OK
ux2, s2 = utils.makeUxOutWithSecret()
assert skycoin.SKY_coin_UxOut_Hash(ux2, h) == skycoin.SKY_OK
err, _ = skycoin.SKY_coin_Transaction_PushInput(handle, h)
assert err == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_PushOutput(
handle, utils.makeAddress(), 40, 80) == skycoin.SKY_OK
err, count = skycoin.SKY_coin_Transaction_GetSignaturesCount(handle)
assert err == skycoin.SKY_OK
assert count == 0
# Valid signing
assert skycoin.SKY_coin_Transaction_HashInner(handle, h) == skycoin.SKY_OK
secKeys = []
secKeys.append(s)
secKeys.append(s2)
assert skycoin.SKY_coin_Transaction_SignInputs(
handle, secKeys) == skycoin.SKY_OK
err, count = skycoin.SKY_coin_Transaction_GetSignaturesCount(handle)
assert err == skycoin.SKY_OK
assert count == 2
h2 = skycoin.cipher_SHA256()
assert skycoin.SKY_coin_Transaction_HashInner(
handle, h2) == skycoin.SKY_OK
assert h == h2
p = skycoin.cipher_PubKey()
assert skycoin.SKY_cipher_PubKeyFromSecKey(s, p) == skycoin.SKY_OK
a = skycoin.cipher__Address()
a2 = skycoin.cipher__Address()
assert skycoin.SKY_cipher_AddressFromPubKey(p, a) == skycoin.SKY_OK
assert skycoin.SKY_cipher_PubKeyFromSecKey(s2, p) == skycoin.SKY_OK
assert skycoin.SKY_cipher_AddressFromPubKey(p, a2) == skycoin.SKY_OK
sha1 = skycoin.cipher_SHA256()
sha2 = skycoin.cipher_SHA256()
txin0 = skycoin.cipher_SHA256()
txin1 = skycoin.cipher_SHA256()
assert skycoin.SKY_coin_Transaction_GetInputAt(
handle, 0, txin0) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_GetInputAt(
handle, 1, txin1) == skycoin.SKY_OK
assert skycoin.SKY_cipher_AddSHA256(h, txin0, sha1) == skycoin.SKY_OK
assert skycoin.SKY_cipher_AddSHA256(h, txin1, sha2) == skycoin.SKY_OK
txsig0 = skycoin.cipher_Sig()
txsig1 = skycoin.cipher_Sig()
assert skycoin.SKY_coin_Transaction_GetSignatureAt(
handle, 0, txsig0) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_GetSignatureAt(
handle, 1, txsig1) == skycoin.SKY_OK
def test_TestTransactionVerifyInput():
# Valid
ux, s = utils.makeUxOutWithSecret()
handle, tx = utils.makeTransactionFromUxOut(ux, s)
seckeys = []
seckeys.append(ux)
assert skycoin.SKY_coin_Transaction_VerifyInput(
handle, seckeys) == skycoin.SKY_OK
def test_TestUxOutHash():
uxb, _ = utils.makeUxBodyWithSecret()
uxo, _ = utils.makeUxOutWithSecret()
uxo.Body = uxb
hash_body = skycoin.cipher_SHA256()
hash_out = skycoin.cipher_SHA256()
assert skycoin.SKY_coin_UxBody_Hash(uxb, hash_body) == skycoin.SKY_OK
assert skycoin.SKY_coin_UxOut_Hash(uxo, hash_out) == skycoin.SKY_OK
assert hash_body == hash_out
# Head should not affect hash
uxh = skycoin.coin__UxHead()
uxh.Time = 0
uxh.BkSeq = 1
uxo.Head = uxh
assert skycoin.SKY_coin_UxOut_Hash(uxo, hash_out) == skycoin.SKY_OK
assert hash_body == hash_out
def test_TestTransactionVerify():
# Mismatch header hash
handle, tx = utils.makeTransaction()
h = skycoin.cipher_SHA256()
h.assignTo(tx.InnerHash)
assert skycoin.SKY_coin_Transaction_Verify(handle) == skycoin.SKY_ERROR
# No inputs
handle, tx = utils.makeTransaction()
assert skycoin.SKY_coin_Transaction_ResetInputs(
handle, 0) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_UpdateHeader(handle) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_Verify(handle) == skycoin.SKY_ERROR
# No outputs
handle, _ = utils.makeTransaction()
assert skycoin.SKY_coin_Transaction_ResetOutputs(
handle, 0) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_UpdateHeader(handle) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_Verify(handle) == skycoin.SKY_ERROR
# Invalid number of Sigs
handle, _ = utils.makeTransaction()
assert skycoin.SKY_coin_Transaction_ResetSignatures(
handle, 0) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_UpdateHeader(handle) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_Verify(handle) == skycoin.SKY_ERROR
assert skycoin.SKY_coin_Transaction_ResetSignatures(
handle, 20) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_UpdateHeader(handle) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_Verify(handle) == skycoin.SKY_ERROR
# Too many sigs & inputs
handle, _ = utils.makeTransaction()
assert skycoin.SKY_coin_Transaction_ResetSignatures(
handle, utils.MaxUint16) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_ResetInputs(
handle, utils.MaxUint16) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_UpdateHeader(handle) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_Verify(handle) == skycoin.SKY_ERROR
# Duplicate inputs
ux, s = utils.makeUxOutWithSecret()
handle, _ = utils.makeTransactionFromUxOut(ux, s)
h = skycoin.cipher_SHA256()
assert skycoin.SKY_coin_Transaction_GetInputAt(
handle, 0, h) == skycoin.SKY_OK
err, _ = skycoin.SKY_coin_Transaction_PushInput(handle, h)
assert err == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_ResetSignatures(
handle, 0) == skycoin.SKY_OK
secKeys = []
secKeys.append(s)
secKeys.append(s)
assert skycoin.SKY_coin_Transaction_SignInputs(
handle, secKeys) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_UpdateHeader(handle) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_Verify(handle) == skycoin.SKY_ERROR
# Duplicate outputs
handle, _ = utils.makeTransaction()
pOutput = skycoin.coin__TransactionOutput()
assert skycoin.SKY_coin_Transaction_GetOutputAt(
handle, 0, pOutput) == skycoin.SKY_OK
pOutput.Address = skycoin.cipher__Address()
assert skycoin.SKY_coin_Transaction_ResetOutputs(
handle, 0) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_PushOutput(
handle, pOutput.Address, pOutput.Coins, pOutput.Hours) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_PushOutput(
handle, pOutput.Address, pOutput.Coins, pOutput.Hours) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_UpdateHeader(handle) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_Verify(handle) == skycoin.SKY_ERROR
# Output coins are 0
handle, _ = utils.makeTransaction()
assert skycoin.SKY_coin_Transaction_GetOutputAt(
handle, 0, pOutput) == skycoin.SKY_OK
pOutput.Coins = 0
assert skycoin.SKY_coin_Transaction_ResetOutputs(
handle, 0) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_PushOutput(
handle, pOutput.Address, pOutput.Coins, pOutput.Hours) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_UpdateHeader(handle) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_Verify(handle) == skycoin.SKY_ERROR
# Output coin overflow
handle, _ = utils.makeTransaction()
assert skycoin.SKY_coin_Transaction_GetOutputAt(
handle, 0, pOutput) == skycoin.SKY_OK
pOutput.Coins = int(utils.MaxUint64 - int(3e6))
assert skycoin.SKY_coin_Transaction_PushOutput(
handle, pOutput.Address, pOutput.Coins, pOutput.Hours) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_UpdateHeader(handle) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_Verify(handle) == skycoin.SKY_ERROR
# Output coins are not multiples of 1e6 (valid, decimal restriction is not
# enforced here)
handle, _ = utils.makeTransaction()
assert skycoin.SKY_coin_Transaction_GetOutputAt(
handle, 0, pOutput) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_ResetOutputs(
handle, 0) == skycoin.SKY_OK
pOutput.Coins += 10
assert skycoin.SKY_coin_Transaction_PushOutput(
handle, pOutput.Address, pOutput.Coins, pOutput.Hours) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_UpdateHeader(handle) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_ResetSignatures(
handle, 0) == skycoin.SKY_OK
p = skycoin.cipher_PubKey()
s = skycoin.cipher_SecKey()
assert skycoin.SKY_cipher_GenerateKeyPair(p, s) == skycoin.SKY_OK
secKeys = []
secKeys.append(s)
assert skycoin.SKY_coin_Transaction_SignInputs(
handle, secKeys) == skycoin.SKY_OK
assert int(pOutput.Coins % int(1e6)) != int(0)
assert skycoin.SKY_coin_Transaction_Verify(handle) == skycoin.SKY_OK
# Valid
handle, _ = utils.makeTransaction()
assert skycoin.SKY_coin_Transaction_GetOutputAt(
handle, 0, pOutput) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_ResetOutputs(
handle, 0) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_PushOutput(
handle, pOutput.Address, int(10e6), pOutput.Hours) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_PushOutput(
handle, pOutput.Address, int(1e6), pOutput.Hours) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_UpdateHeader(handle) == skycoin.SKY_OK
assert skycoin.SKY_coin_Transaction_Verify(handle) == skycoin.SKY_OK