def sendtx(client,
blknum1, txindex1, oindex1,
blknum2, txindex2, oindex2,
cur12,
amount1, newowner1,
amount2, newowner2,
key1, key2):
if cur12 == "0x0":
cur12 = NULL_ADDRESS
if newowner1 == "0x0":
newowner1 = NULL_ADDRESS
if newowner2 == "0x0":
newowner2 = NULL_ADDRESS
# Form a transaction
tx = Transaction(blknum1, txindex1, oindex1,
blknum2, txindex2, oindex2,
utils.normalize_address(cur12),
utils.normalize_address(newowner1), amount1,
utils.normalize_address(newowner2), amount2)
# Sign it
if key1:
tx.sign1(utils.normalize_key(key1))
if key2:
tx.sign2(utils.normalize_key(key2))
client_call(client.apply_transaction, [tx], "Sent transaction")
def transfer(self,
input1, newowner1, amount1, signatory1,
input2=0, newowner2=None, amount2=0, signatory2=None, cur12=NULL_ADDRESS):
newowner_address1 = newowner1['address']
newowner_address2 = NULL_ADDRESS
if newowner2 is not None:
newowner_address2 = newowner2['address']
tx = Transaction(*decode_utxo_id(input1),
*decode_utxo_id(input2),
cur12,
newowner_address1, amount1,
newowner_address2, amount2)
if signatory1 is not None:
key1 = signatory1['key']
tx.sign1(key1)
if signatory2 is not None:
key2 = signatory2['key']
tx.sign2(key2)
spend_id = self.child_chain.apply_transaction(tx)
self.submit_block()
return spend_id
def test_transaction(t):
blknum1, txindex1, oindex1 = 1, 1, 0
blknum2, txindex2, oindex2 = 2, 2, 1
newowner1, amount1 = t.a1, 100
newowner2, amount2 = t.a2, 150
oldowner1, oldowner2 = t.a1, t.a2
key1, key2 = t.k1, t.k2
tx = Transaction(blknum1, txindex1, oindex1,
blknum2, txindex2, oindex2,
NULL_ADDRESS,
newowner1, amount1,
newowner2, amount2)
assert tx.blknum1 == blknum1
assert tx.txindex1 == txindex1
assert tx.oindex1 == oindex1
assert tx.blknum2 == blknum2
assert txindex2 == txindex2
assert tx.oindex2 == oindex2
assert tx.newowner1 == newowner1
assert tx.amount1 == amount1
assert tx.newowner2 == newowner2
assert tx.amount2 == amount2
assert tx.sig1 == NULL_SIGNATURE
assert tx.sig2 == NULL_SIGNATURE
tx.sign1(key1)
assert tx.sender1 == oldowner1
tx.sign2(key2)
assert tx.sender2 == oldowner2
def transfer(self,
input1, oindex1, newowner1, amount1, signatory1,
input2=None, oindex2=0, newowner2=None, amount2=None, signatory2=None, cur12=NULL_ADDRESS):
newowner_address1 = newowner1['address']
amount1 = int(amount1)
newowner_address2 = NULL_ADDRESS
if newowner2 is not None:
newowner_address2 = newowner2['address']
amount2 = int(amount2) if amount2 is not None else 0
encoded_input_tx1 = rlp.encode(self.transactions[input1]['tx']).hex()
blknum1, txindex1 = self.child_chain.get_tx_pos(encoded_input_tx1)
blknum2, txindex2 = 0, 0
if input2 is not None:
encoded_input_tx2 = rlp.encode(self.transactions[input2]['tx']).hex()
blknum2, txindex2 = self.child_chain.get_tx_pos(encoded_input_tx2)
tx = Transaction(blknum1, txindex1, oindex1,
blknum2, txindex2, oindex2,
cur12,
newowner_address1, amount1,
newowner_address2, amount2)
if signatory1 is not None:
key1 = signatory1['key']
tx.sign1(key1)
if signatory2 is not None:
key2 = signatory2['key']
tx.sign2(key2)
encoded_tx = rlp.encode(tx).hex()
self.child_chain.apply_transaction(encoded_tx)
self.transactions.append({
'tx': tx,
'confirm_sigs': b'',
'is_deposit': False
})
return len(self.transactions) - 1
def test_start_exit(t, root_chain, assert_tx_failed):
week_and_a_half = 60 * 60 * 24 * 13
owner, value_1, key = t.a1, 100, t.k1
tx1 = Transaction(0, 0, 0, 0, 0, 0, NULL_ADDRESS, owner, value_1,
NULL_ADDRESS, 0)
deposit_tx_hash = get_deposit_hash(owner, NULL_ADDRESS, value_1)
dep_blknum = root_chain.getDepositBlock()
assert dep_blknum == 1
root_chain.deposit(value=value_1, sender=key)
merkle = FixedMerkle(16, [deposit_tx_hash], True)
proof = merkle.create_membership_proof(deposit_tx_hash)
confirmSig1 = tx1.confirm(root_chain.getChildChain(dep_blknum)[0], key)
priority1 = dep_blknum * 1000000000 + 10000 * 0 + 1
snapshot = t.chain.snapshot()
sigs = tx1.sig1 + tx1.sig2 + confirmSig1
utxoId = dep_blknum * 1000000000 + 10000 * 0 + 1
# Deposit exit
root_chain.startDepositExit(utxoId, NULL_ADDRESS, tx1.amount1, sender=key)
t.chain.head_state.timestamp += week_and_a_half
# Cannot exit twice off of the same utxo
utxo_pos1 = dep_blknum * 1000000000 + 10000 * 0 + 1
assert_tx_failed(lambda: root_chain.startExit(
utxo_pos1, deposit_tx_hash, proof, sigs, sender=key))
assert root_chain.getExit(priority1) == [
address_to_hex(owner), NULL_ADDRESS_HEX, 100
]
t.chain.revert(snapshot)
tx2 = Transaction(dep_blknum, 0, 0, 0, 0, 0, NULL_ADDRESS, owner, value_1,
NULL_ADDRESS, 0)
tx2.sign1(key)
tx_bytes2 = rlp.encode(tx2, UnsignedTransaction)
merkle = FixedMerkle(16, [tx2.merkle_hash], True)
proof = merkle.create_membership_proof(tx2.merkle_hash)
child_blknum = root_chain.currentChildBlock()
assert child_blknum == 1000
root_chain.submitBlock(merkle.root)
confirmSig1 = tx2.confirm(root_chain.getChildChain(child_blknum)[0], key)
priority2 = child_blknum * 1000000000 + 10000 * 0 + 0
sigs = tx2.sig1 + tx2.sig2 + confirmSig1
snapshot = t.chain.snapshot()
# # Single input exit
utxo_pos2 = child_blknum * 1000000000 + 10000 * 0 + 0
root_chain.startExit(utxo_pos2, tx_bytes2, proof, sigs, sender=key)
assert root_chain.getExit(priority2) == [
address_to_hex(owner), NULL_ADDRESS_HEX, 100
]
t.chain.revert(snapshot)
dep2_blknum = root_chain.getDepositBlock()
assert dep2_blknum == 1001
root_chain.deposit(value=value_1, sender=key)
tx3 = Transaction(child_blknum, 0, 0, dep2_blknum, 0, 0, NULL_ADDRESS,
owner, value_1, NULL_ADDRESS, 0, 0)
tx3.sign1(key)
tx3.sign2(key)
tx_bytes3 = rlp.encode(tx3, UnsignedTransaction)
merkle = FixedMerkle(16, [tx3.merkle_hash], True)
proof = merkle.create_membership_proof(tx3.merkle_hash)
child2_blknum = root_chain.currentChildBlock()
assert child2_blknum == 2000
root_chain.submitBlock(merkle.root)
confirmSig1 = tx3.confirm(root_chain.getChildChain(child2_blknum)[0], key)
confirmSig2 = tx3.confirm(root_chain.getChildChain(child2_blknum)[0], key)
priority3 = child2_blknum * 1000000000 + 10000 * 0 + 0
sigs = tx3.sig1 + tx3.sig2 + confirmSig1 + confirmSig2
# Double input exit
utxoPos3 = child2_blknum * 1000000000 + 10000 * 0 + 0
root_chain.startExit(utxoPos3, tx_bytes3, proof, sigs, sender=key)
assert root_chain.getExit(priority3) == [
address_to_hex(owner), NULL_ADDRESS_HEX, 100
]
def test_start_exit(t, root_chain, assert_tx_failed):
week_and_a_half = 60 * 60 * 24 * 13
owner, value_1, key = t.a1, 100, t.k1
tx1 = Transaction(0, 0, 0, 0, 0, 0, NULL_ADDRESS, owner, value_1,
NULL_ADDRESS, 0)
deposit_tx_hash = get_deposit_hash(owner, NULL_ADDRESS, value_1)
dep_blknum = root_chain.getDepositBlock()
assert dep_blknum == 1
root_chain.deposit(value=value_1, sender=key)
merkle = FixedMerkle(16, [deposit_tx_hash], True)
proof = merkle.create_membership_proof(deposit_tx_hash)
confirmSig1 = confirm_tx(tx1,
root_chain.getPlasmaBlock(dep_blknum)[0], key)
snapshot = t.chain.snapshot()
sigs = tx1.sig1 + tx1.sig2 + confirmSig1
utxoId = encode_utxo_id(dep_blknum, 0, 0)
# Deposit exit
exit_bond = root_chain.EXIT_BOND()
root_chain.startDepositExit(utxoId,
NULL_ADDRESS,
tx1.amount1,
sender=key,
value=exit_bond)
t.chain.head_state.timestamp += week_and_a_half
# Cannot exit twice off of the same utxo
utxo_pos1 = encode_utxo_id(dep_blknum, 0, 0)
assert_tx_failed(lambda: root_chain.startExit(
utxo_pos1, deposit_tx_hash, proof, sigs, sender=key, value=exit_bond))
assert root_chain.getExit(utxo_pos1) == [
'0x' + owner.hex(), NULL_ADDRESS_HEX, 100
]
t.chain.revert(snapshot)
tx2 = Transaction(dep_blknum, 0, 0, 0, 0, 0, NULL_ADDRESS, owner, value_1,
NULL_ADDRESS, 0)
tx2.sign1(key)
tx_bytes2 = rlp.encode(tx2, UnsignedTransaction)
merkle = FixedMerkle(16, [tx2.merkle_hash], True)
proof = merkle.create_membership_proof(tx2.merkle_hash)
child_blknum = root_chain.currentChildBlock()
assert child_blknum == 1000
root_chain.submitBlock(merkle.root)
confirmSig1 = confirm_tx(tx2,
root_chain.getPlasmaBlock(child_blknum)[0], key)
sigs = tx2.sig1 + tx2.sig2 + confirmSig1
snapshot = t.chain.snapshot()
# # Single input exit
utxo_pos2 = encode_utxo_id(child_blknum, 0, 0)
root_chain.startExit(utxo_pos2,
tx_bytes2,
proof,
sigs,
sender=key,
value=exit_bond)
assert root_chain.getExit(utxo_pos2) == [
'0x' + owner.hex(), NULL_ADDRESS_HEX, 100
]
t.chain.revert(snapshot)
dep2_blknum = root_chain.getDepositBlock()
assert dep2_blknum == 1001
root_chain.deposit(value=value_1, sender=key)
tx3 = Transaction(child_blknum, 0, 0, dep2_blknum, 0, 0, NULL_ADDRESS,
owner, value_1, NULL_ADDRESS, 0, 0)
tx3.sign1(key)
tx3.sign2(key)
tx_bytes3 = rlp.encode(tx3, UnsignedTransaction)
merkle = FixedMerkle(16, [tx3.merkle_hash], True)
proof = merkle.create_membership_proof(tx3.merkle_hash)
child2_blknum = root_chain.currentChildBlock()
assert child2_blknum == 2000
root_chain.submitBlock(merkle.root)
confirmSig1 = confirm_tx(tx3,
root_chain.getPlasmaBlock(child2_blknum)[0], key)
confirmSig2 = confirm_tx(tx3,
root_chain.getPlasmaBlock(child2_blknum)[0], key)
sigs = tx3.sig1 + tx3.sig2 + confirmSig1 + confirmSig2
# Double input exit
utxo_pos3 = encode_utxo_id(child2_blknum, 0, 0)
root_chain.startExit(utxo_pos3,
tx_bytes3,
proof,
sigs,
sender=key,
value=exit_bond)
assert root_chain.getExit(utxo_pos3) == [
'0x' + owner.hex(), NULL_ADDRESS_HEX, 100
]