def test_TestTransactionsFees():
txns = utils.makeTransactions(0)
# Nil txns
err, fee = skycoin.SKY_coin_Transactions_Fees(
txns, calc)
assert err == skycoin.SKY_OK
assert fee == 0
# 2 transactions, calc() always returns 1
txn = utils.makeEmptyTransaction()
assert skycoin.SKY_coin_Transactions_Add(txns, txn) == skycoin.SKY_OK
txn1 = utils.makeEmptyTransaction()
assert skycoin.SKY_coin_Transactions_Add(txns, txn1) == skycoin.SKY_OK
err, fee = skycoin.SKY_coin_Transactions_Fees(
txns, calc)
assert err == skycoin.SKY_OK
assert fee == 2
# calc error
err, _ = skycoin.SKY_coin_Transactions_Fees(
txns, utils.badFeeCalculator)
assert err == skycoin.SKY_ERROR
# # summing of calculated fees overflows
err, _ = skycoin.SKY_coin_Transactions_Fees(txns, overflowCalc)
assert err == skycoin.SKY_ERROR
def test_TestTransactionsHashes():
handle = utils.makeTransactions(4)
err, hashes = skycoin.SKY_coin_Transactions_Hashes(handle)
assert err == skycoin.SKY_OK
len_hashes = len(hashes)
assert len_hashes == 4
for i in range(len_hashes):
err, tx = skycoin.SKY_coin_Transactions_GetAt(handle, i)
assert err == skycoin.SKY_OK
h = skycoin.cipher_SHA256()
assert skycoin.SKY_coin_Transaction_Hash(tx, h) == skycoin.SKY_OK
assert h == hashes[i]
i += 1
def test_TestTransactionsSize():
handle = utils.makeTransactions(10)
size = 0
for i in range(10):
err, tx = skycoin.SKY_coin_Transactions_GetAt(handle, i)
assert err == skycoin.SKY_OK
err, b = skycoin.SKY_coin_Transaction_Serialize(tx)
size += len(b)
i += 1
assert size != 0
err, sizetx = skycoin.SKY_coin_Transactions_Size(handle)
assert err == skycoin.SKY_OK
assert sizetx == size
def test_TestTransactionsTruncateBytesTo():
handles = utils.makeTransactions(10)
trunc = 0
for i in range(5):
err, handle = skycoin.SKY_coin_Transactions_GetAt(handles, i)
assert err == skycoin.SKY_OK
err, count = skycoin.SKY_coin_Transaction_Size(handle)
assert err == skycoin.SKY_OK
trunc += count
i += 1
# Trucating halfway
err, tnxs2 = skycoin.SKY_coin_Transactions_TruncateBytesTo(handles, trunc)
assert err == skycoin.SKY_OK
err, len_tnxs2 = skycoin.SKY_coin_Transactions_Length(tnxs2)
assert err == skycoin.SKY_OK
assert len_tnxs2 == 5
err, count = skycoin.SKY_coin_Transactions_Size(tnxs2)
assert err == skycoin.SKY_OK
assert count == trunc
# Stepping into next boundary has same cutoff, must exceed
trunc += 1
err, txns2 = skycoin.SKY_coin_Transactions_TruncateBytesTo(handles, trunc)
assert err == skycoin.SKY_OK
err, count = skycoin.SKY_coin_Transactions_Length(tnxs2)
assert err == skycoin.SKY_OK
assert count == 5
err, count = skycoin.SKY_coin_Transactions_Size(tnxs2)
assert err == skycoin.SKY_OK
assert count == int(trunc - 1)
# Moving to 1 before next level
err, tnxs_5 = skycoin.SKY_coin_Transactions_GetAt(handles, 5)
assert err == skycoin.SKY_OK
err, count = skycoin.SKY_coin_Transaction_Size(tnxs_5)
assert err == skycoin.SKY_OK
trunc += int(count - 2)
err, txns2 = skycoin.SKY_coin_Transactions_TruncateBytesTo(handles, trunc)
assert err == skycoin.SKY_OK
err, count = skycoin.SKY_coin_Transactions_Length(txns2)
assert err == skycoin.SKY_OK
assert count == 5
err, count = skycoin.SKY_coin_Transactions_Size(txns2)
assert err == skycoin.SKY_OK
err, count_tnxs5 = skycoin.SKY_coin_Transaction_Size(tnxs_5)
assert err == skycoin.SKY_OK
assert int(trunc - count_tnxs5 + 1) == count
# Moving to next level
trunc += 1
err, txns2 = skycoin.SKY_coin_Transactions_TruncateBytesTo(handles, trunc)
assert err == skycoin.SKY_OK
err, count = skycoin.SKY_coin_Transactions_Length(txns2)
assert err == skycoin.SKY_OK
assert count == 6
err, count = skycoin.SKY_coin_Transactions_Size(txns2)
assert err == skycoin.SKY_OK
assert count == trunc
# Truncating to full available amt
err, trunc = skycoin.SKY_coin_Transactions_Size(handles)
assert err == skycoin.SKY_OK
err, txns2 = skycoin.SKY_coin_Transactions_TruncateBytesTo(handles, trunc)
assert err == skycoin.SKY_OK
assert err == skycoin.SKY_OK
err, count = skycoin.SKY_coin_Transactions_Size(txns2)
assert err == skycoin.SKY_OK
assert count == trunc
assert utils.equalTransactions(handles, txns2) == skycoin.SKY_OK
# Truncating over amount
trunc += 1
err, txns2 = skycoin.SKY_coin_Transactions_TruncateBytesTo(handles, trunc)
assert utils.equalTransactions(handles, txns2) == skycoin.SKY_OK
err, count = skycoin.SKY_coin_Transactions_Size(handles)
assert err == skycoin.SKY_OK
assert count == int(trunc - 1)
# Truncating to 0
trunc = 0
err, txns2 = skycoin.SKY_coin_Transactions_TruncateBytesTo(handles, 0)
assert err == skycoin.SKY_OK
err, count = skycoin.SKY_coin_Transactions_Length(txns2)
assert err == skycoin.SKY_OK
assert count == 0
err, count = skycoin.SKY_coin_Transactions_Size(txns2)
assert err == skycoin.SKY_OK
assert count == trunc