def bob_to_charlie(
zeth_client: MixerClient,
mk_tree: MerkleTree,
input1: Tuple[int, ZethNote],
bob_eth_address: str,
keystore: mock.KeyStore) -> contracts.MixResult:
print(
f"=== Bob transfers {BOB_TO_CHARLIE_ETH}ETH to Charlie from his funds " +
"on the mixer ===")
bob_ask = keystore["Bob"].addr_sk.a_sk
charlie_addr = keystore["Charlie"].addr_pk
bob_addr = keystore["Bob"].addr_pk
# Coin for Bob (change)
output0 = (bob_addr, EtherValue(BOB_TO_CHARLIE_ETH))
# Coin for Charlie
output1 = (charlie_addr, EtherValue(BOB_TO_CHARLIE_CHANGE_ETH))
# Send the tx
tx_hash = zeth_client.joinsplit(
mk_tree,
OwnershipKeyPair(bob_ask, bob_addr.a_pk),
bob_eth_address,
None,
[input1],
[output0, output1],
EtherValue(0),
EtherValue(0),
EtherValue(1, 'wei'))
return wait_for_tx_update_mk_tree(zeth_client, mk_tree, tx_hash)
def charlie_withdraw(
zeth_client: MixerClient,
mk_tree: MerkleTree,
input1: Tuple[int, ZethNote],
charlie_eth_address: str,
keystore: mock.KeyStore) -> contracts.MixResult:
print(
f" === Charlie withdraws {CHARLIE_WITHDRAW_ETH}ETH from his funds " +
"on the Mixer ===")
charlie_pk = keystore["Charlie"].addr_pk
charlie_apk = charlie_pk.a_pk
charlie_ask = keystore["Charlie"].addr_sk.a_sk
charlie_ownership_key = \
OwnershipKeyPair(charlie_ask, charlie_apk)
tx_hash = zeth_client.joinsplit(
mk_tree,
charlie_ownership_key,
charlie_eth_address,
None,
[input1],
[(charlie_pk, EtherValue(CHARLIE_WITHDRAW_CHANGE_ETH))],
EtherValue(0),
EtherValue(CHARLIE_WITHDRAW_ETH),
EtherValue(1, 'wei'))
return wait_for_tx_update_mk_tree(zeth_client, mk_tree, tx_hash)
