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main.py
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main.py
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# python3 -m pip install pycryptodomex uvarint pyteal web3 coincurve
from time import time, sleep
from typing import List, Tuple, Dict, Any, Optional, Union
from base64 import b64decode
import base64
import random
import time
import hashlib
import uuid
import sys
import json
import uvarint
from gentest import GenTest
from local_blob import LocalBlob
from portal_core import getCoreContracts
from TmplSig import TmplSig
from algosdk.v2client.algod import AlgodClient
from algosdk.kmd import KMDClient
from algosdk import account, mnemonic
from algosdk.encoding import decode_address, encode_address
from algosdk.future import transaction
from pyteal import compileTeal, Mode, Expr
from pyteal import *
from algosdk.logic import get_application_address
from vaa_verify import get_vaa_verify
from Cryptodome.Hash import keccak
from algosdk.future.transaction import LogicSig
from token_bridge import get_token_bridge
from test_app import get_test_app
from algosdk.v2client import indexer
import pprint
max_keys = 16
max_bytes_per_key = 127
bits_per_byte = 8
bits_per_key = max_bytes_per_key * bits_per_byte
max_bytes = max_bytes_per_key * max_keys
max_bits = bits_per_byte * max_bytes
class Account:
"""Represents a private key and address for an Algorand account"""
def __init__(self, privateKey: str) -> None:
self.sk = privateKey
self.addr = account.address_from_private_key(privateKey)
#print (privateKey + " -> " + self.getMnemonic())
def getAddress(self) -> str:
return self.addr
def getPrivateKey(self) -> str:
return self.sk
def getMnemonic(self) -> str:
return mnemonic.from_private_key(self.sk)
@classmethod
def FromMnemonic(cls, m: str) -> "Account":
return cls(mnemonic.to_private_key(m))
class PendingTxnResponse:
def __init__(self, response: Dict[str, Any]) -> None:
self.poolError: str = response["pool-error"]
self.txn: Dict[str, Any] = response["txn"]
self.applicationIndex: Optional[int] = response.get("application-index")
self.assetIndex: Optional[int] = response.get("asset-index")
self.closeRewards: Optional[int] = response.get("close-rewards")
self.closingAmount: Optional[int] = response.get("closing-amount")
self.confirmedRound: Optional[int] = response.get("confirmed-round")
self.globalStateDelta: Optional[Any] = response.get("global-state-delta")
self.localStateDelta: Optional[Any] = response.get("local-state-delta")
self.receiverRewards: Optional[int] = response.get("receiver-rewards")
self.senderRewards: Optional[int] = response.get("sender-rewards")
self.innerTxns: List[Any] = response.get("inner-txns", [])
self.logs: List[bytes] = [b64decode(l) for l in response.get("logs", [])]
class PortalCore:
def __init__(self) -> None:
self.ALGOD_ADDRESS = "http://localhost:4001"
self.ALGOD_TOKEN = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
self.FUNDING_AMOUNT = 100_000_000_000
self.KMD_ADDRESS = "http://localhost:4002"
self.KMD_TOKEN = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
self.KMD_WALLET_NAME = "unencrypted-default-wallet"
self.KMD_WALLET_PASSWORD = ""
self.INDEXER_TOKEN = "a" * 64
self.INDEXER_ADDRESS = 'http://localhost:8980'
self.INDEXER_ROUND = 0
self.NOTE_PREFIX = 'publishMessage'.encode()
self.myindexer = indexer.IndexerClient(indexer_token=self.INDEXER_TOKEN, indexer_address=self.INDEXER_ADDRESS)
self.seed_amt = int(1002000) # The black magic in this number...
self.cache = {}
self.asset_cache = {}
self.kmdAccounts : Optional[List[Account]] = None
self.accountList : List[Account] = []
self.zeroPadBytes = "00"*32
def waitForTransaction(
self, client: AlgodClient, txID: str, timeout: int = 10
) -> PendingTxnResponse:
lastStatus = client.status()
lastRound = lastStatus["last-round"]
startRound = lastRound
while lastRound < startRound + timeout:
pending_txn = client.pending_transaction_info(txID)
if pending_txn.get("confirmed-round", 0) > 0:
return PendingTxnResponse(pending_txn)
if pending_txn["pool-error"]:
raise Exception("Pool error: {}".format(pending_txn["pool-error"]))
lastStatus = client.status_after_block(lastRound + 1)
lastRound += 1
raise Exception(
"Transaction {} not confirmed after {} rounds".format(txID, timeout)
)
def getKmdClient(self) -> KMDClient:
return KMDClient(self.KMD_TOKEN, self.KMD_ADDRESS)
def getGenesisAccounts(self) -> List[Account]:
if self.kmdAccounts is None:
kmd = self.getKmdClient()
wallets = kmd.list_wallets()
walletID = None
for wallet in wallets:
if wallet["name"] == self.KMD_WALLET_NAME:
walletID = wallet["id"]
break
if walletID is None:
raise Exception("Wallet not found: {}".format(self.KMD_WALLET_NAME))
walletHandle = kmd.init_wallet_handle(walletID, self.KMD_WALLET_PASSWORD)
try:
addresses = kmd.list_keys(walletHandle)
privateKeys = [
kmd.export_key(walletHandle, self.KMD_WALLET_PASSWORD, addr)
for addr in addresses
]
self.kmdAccounts = [Account(sk) for sk in privateKeys]
finally:
kmd.release_wallet_handle(walletHandle)
return self.kmdAccounts
def getTemporaryAccount(self, client: AlgodClient) -> Account:
if len(self.accountList) == 0:
sks = [account.generate_account()[0] for i in range(3)]
self.accountList = [Account(sk) for sk in sks]
genesisAccounts = self.getGenesisAccounts()
suggestedParams = client.suggested_params()
txns: List[transaction.Transaction] = []
for i, a in enumerate(self.accountList):
fundingAccount = genesisAccounts[i % len(genesisAccounts)]
txns.append(
transaction.PaymentTxn(
sender=fundingAccount.getAddress(),
receiver=a.getAddress(),
amt=self.FUNDING_AMOUNT,
sp=suggestedParams,
)
)
txns = transaction.assign_group_id(txns)
signedTxns = [
txn.sign(genesisAccounts[i % len(genesisAccounts)].getPrivateKey())
for i, txn in enumerate(txns)
]
client.send_transactions(signedTxns)
self.waitForTransaction(client, signedTxns[0].get_txid())
return self.accountList.pop()
def getAlgodClient(self) -> AlgodClient:
return AlgodClient(self.ALGOD_TOKEN, self.ALGOD_ADDRESS)
def getBalances(self, client: AlgodClient, account: str) -> Dict[int, int]:
balances: Dict[int, int] = dict()
accountInfo = client.account_info(account)
# set key 0 to Algo balance
balances[0] = accountInfo["amount"]
assets: List[Dict[str, Any]] = accountInfo.get("assets", [])
for assetHolding in assets:
assetID = assetHolding["asset-id"]
amount = assetHolding["amount"]
balances[assetID] = amount
return balances
def fullyCompileContract(self, client: AlgodClient, contract: Expr) -> bytes:
teal = compileTeal(contract, mode=Mode.Application, version=6)
response = client.compile(teal)
return response
# helper function that formats global state for printing
def format_state(self, state):
formatted = {}
for item in state:
key = item['key']
value = item['value']
formatted_key = base64.b64decode(key).decode('utf-8')
if value['type'] == 1:
# byte string
if formatted_key == 'voted':
formatted_value = base64.b64decode(value['bytes']).decode('utf-8')
else:
formatted_value = value['bytes']
formatted[formatted_key] = formatted_value
else:
# integer
formatted[formatted_key] = value['uint']
return formatted
# helper function to read app global state
def read_global_state(self, client, addr, app_id):
results = client.account_info(addr)
apps_created = results['created-apps']
for app in apps_created:
if app['id'] == app_id and 'global-state' in app['params']:
return self.format_state(app['params']['global-state'])
return {}
def read_state(self, client, addr, app_id):
results = client.account_info(addr)
apps_created = results['created-apps']
for app in apps_created:
if app['id'] == app_id:
return app
return {}
def createPortalCoreApp(
self,
client: AlgodClient,
sender: Account,
) -> int:
# reads from sig.json
self.tsig = TmplSig("sig")
approval, clear = getCoreContracts(client, seed_amt=self.seed_amt, tmpl_sig=self.tsig)
globalSchema = transaction.StateSchema(num_uints=8, num_byte_slices=16)
localSchema = transaction.StateSchema(num_uints=0, num_byte_slices=16)
app_args = [ ]
txn = transaction.ApplicationCreateTxn(
sender=sender.getAddress(),
on_complete=transaction.OnComplete.NoOpOC,
approval_program=b64decode(approval["result"]),
clear_program=b64decode(clear["result"]),
global_schema=globalSchema,
local_schema=localSchema,
extra_pages = 1,
app_args=app_args,
sp=client.suggested_params(),
)
signedTxn = txn.sign(sender.getPrivateKey())
client.send_transaction(signedTxn)
response = self.waitForTransaction(client, signedTxn.get_txid())
assert response.applicationIndex is not None and response.applicationIndex > 0
# Lets give it a bit of money so that it is not a "ghost" account
txn = transaction.PaymentTxn(sender = sender.getAddress(), sp = client.suggested_params(), receiver = get_application_address(response.applicationIndex), amt = 100000)
signedTxn = txn.sign(sender.getPrivateKey())
client.send_transaction(signedTxn)
return response.applicationIndex
def createTokenBridgeApp(
self,
client: AlgodClient,
sender: Account,
) -> int:
approval, clear = get_token_bridge(client, seed_amt=self.seed_amt, tmpl_sig=self.tsig)
globalSchema = transaction.StateSchema(num_uints=4, num_byte_slices=30)
localSchema = transaction.StateSchema(num_uints=0, num_byte_slices=16)
app_args = [self.coreid]
txn = transaction.ApplicationCreateTxn(
sender=sender.getAddress(),
on_complete=transaction.OnComplete.NoOpOC,
approval_program=b64decode(approval["result"]),
clear_program=b64decode(clear["result"]),
global_schema=globalSchema,
local_schema=localSchema,
app_args=app_args,
extra_pages = 2,
sp=client.suggested_params(),
)
signedTxn = txn.sign(sender.getPrivateKey())
client.send_transaction(signedTxn)
response = self.waitForTransaction(client, signedTxn.get_txid())
assert response.applicationIndex is not None and response.applicationIndex > 0
# Lets give it a bit of money so that it is not a "ghost" account
txn = transaction.PaymentTxn(sender = sender.getAddress(), sp = client.suggested_params(), receiver = get_application_address(response.applicationIndex), amt = 100000)
signedTxn = txn.sign(sender.getPrivateKey())
client.send_transaction(signedTxn)
return response.applicationIndex
def createTestApp(
self,
client: AlgodClient,
sender: Account,
) -> int:
approval, clear = get_test_app(client)
globalSchema = transaction.StateSchema(num_uints=4, num_byte_slices=30)
localSchema = transaction.StateSchema(num_uints=0, num_byte_slices=16)
app_args = []
txn = transaction.ApplicationCreateTxn(
sender=sender.getAddress(),
on_complete=transaction.OnComplete.NoOpOC,
approval_program=b64decode(approval["result"]),
clear_program=b64decode(clear["result"]),
global_schema=globalSchema,
local_schema=localSchema,
app_args=app_args,
sp=client.suggested_params(),
)
signedTxn = txn.sign(sender.getPrivateKey())
client.send_transaction(signedTxn)
response = self.waitForTransaction(client, signedTxn.get_txid())
assert response.applicationIndex is not None and response.applicationIndex > 0
txn = transaction.PaymentTxn(sender = sender.getAddress(), sp = client.suggested_params(),
receiver = get_application_address(response.applicationIndex), amt = 300000)
signedTxn = txn.sign(sender.getPrivateKey())
client.send_transaction(signedTxn)
return response.applicationIndex
def account_exists(self, client, app_id, addr):
try:
ai = client.account_info(addr)
if "apps-local-state" not in ai:
return False
for app in ai["apps-local-state"]:
if app["id"] == app_id:
return True
except:
print("Failed to find account {}".format(addr))
return False
def optin(self, client, sender, app_id, idx, emitter, doCreate=True):
aa = decode_address(get_application_address(app_id)).hex()
lsa = self.tsig.populate(
{
"TMPL_SEED_AMT": self.seed_amt,
"TMPL_APP_ID": app_id,
"TMPL_APP_ADDRESS": aa,
"TMPL_ADDR_IDX": idx,
"TMPL_EMITTER_ID": emitter,
}
)
sig_addr = lsa.address()
if sig_addr not in self.cache and not self.account_exists(client, app_id, sig_addr):
if doCreate:
# pprint.pprint(("Creating", app_id, idx, emitter, sig_addr))
# Create it
sp = client.suggested_params()
seed_txn = transaction.PaymentTxn(sender = sender.getAddress(),
sp = sp,
receiver = sig_addr,
amt = self.seed_amt)
optin_txn = transaction.ApplicationOptInTxn(sig_addr, sp, app_id)
rekey_txn = transaction.PaymentTxn(sender=sig_addr, sp=sp, receiver=sig_addr,
amt=0, rekey_to=get_application_address(app_id))
transaction.assign_group_id([seed_txn, optin_txn, rekey_txn])
signed_seed = seed_txn.sign(sender.getPrivateKey())
signed_optin = transaction.LogicSigTransaction(optin_txn, lsa)
signed_rekey = transaction.LogicSigTransaction(rekey_txn, lsa)
client.send_transactions([signed_seed, signed_optin, signed_rekey])
self.waitForTransaction(client, signed_optin.get_txid())
self.cache[sig_addr] = True
return sig_addr
def parseSeqFromLog(self, txn):
return int.from_bytes(b64decode(txn.innerTxns[0]["logs"][0]), "big")
def getVAA(self, client, sender, sid, app):
if sid == None:
raise Exception("getVAA called with a sid of None")
# SOOO, we send a nop txn through to push the block forward
# one
# This is ONLY needed on a local net... the indexer will sit
# on the last block for 30 to 60 seconds... we don't want this
# log in prod since it is wasteful of gas
if (self.INDEXER_ROUND > 512): # until they fix it
print("indexer is broken in local net... stop/clean/restart the sandbox")
sys.exit(0)
txns = []
txns.append(
transaction.ApplicationCallTxn(
sender=sender.getAddress(),
index=self.tokenid,
on_complete=transaction.OnComplete.NoOpOC,
app_args=[b"nop"],
sp=client.suggested_params(),
)
)
self.sendTxn(client, sender, txns, False)
while True:
nexttoken = ""
while True:
response = self.myindexer.search_transactions( min_round=self.INDEXER_ROUND, note_prefix=self.NOTE_PREFIX, next_page=nexttoken)
# pprint.pprint(response)
for x in response["transactions"]:
# pprint.pprint(x)
for y in x["inner-txns"]:
if y["application-transaction"]["application-id"] != self.coreid:
continue
if len(y["logs"]) == 0:
continue
args = y["application-transaction"]["application-args"]
if len(args) < 2:
continue
if base64.b64decode(args[0]) != b'publishMessage':
continue
seq = int.from_bytes(base64.b64decode(y["logs"][0]), "big")
if seq != sid:
# print(str(seq) + " != " + str(sid))
continue
emitter = decode_address(y["sender"])
payload = base64.b64decode(args[1])
# pprint.pprint([seq, y["sender"], payload.hex()])
# sys.exit(0)
return self.gt.genVaa(emitter, seq, payload)
if 'next-token' in response:
nexttoken = response['next-token']
else:
self.INDEXER_ROUND = response['current-round'] + 1
break
time.sleep(1)
def publishMessage(self, client, sender, vaa, appid):
aa = decode_address(get_application_address(appid)).hex()
emitter_addr = self.optin(client, sender, self.coreid, 0, aa)
txns = []
sp = client.suggested_params()
a = transaction.ApplicationCallTxn(
sender=sender.getAddress(),
index=appid,
on_complete=transaction.OnComplete.NoOpOC,
app_args=[b"test1", vaa, self.coreid],
foreign_apps = [self.coreid],
accounts=[emitter_addr],
sp=sp
)
a.fee = a.fee * 2
txns.append(a)
resp = self.sendTxn(client, sender, txns, True)
self.INDEXER_ROUND = resp.confirmedRound
return self.parseSeqFromLog(resp)
def createTestAsset(self, client, sender):
txns = []
a = transaction.PaymentTxn(
sender = sender.getAddress(),
sp = client.suggested_params(),
receiver = get_application_address(self.testid),
amt = 300000
)
txns.append(a)
sp = client.suggested_params()
a = transaction.ApplicationCallTxn(
sender=sender.getAddress(),
index=self.testid,
on_complete=transaction.OnComplete.NoOpOC,
app_args=[b"setup"],
sp=sp
)
a.fee = a.fee * 2
txns.append(a)
transaction.assign_group_id(txns)
grp = []
pk = sender.getPrivateKey()
for t in txns:
grp.append(t.sign(pk))
client.send_transactions(grp)
resp = self.waitForTransaction(client, grp[-1].get_txid())
aid = int.from_bytes(resp.__dict__["logs"][0], "big")
print("Opting " + sender.getAddress() + " into " + str(aid))
self.asset_optin(client, sender, aid, sender.getAddress())
txns = []
a = transaction.ApplicationCallTxn(
sender=sender.getAddress(),
index=self.testid,
on_complete=transaction.OnComplete.NoOpOC,
app_args=[b"mint"],
foreign_assets = [aid],
sp=sp
)
a.fee = a.fee * 2
txns.append(a)
resp = self.sendTxn(client, sender, txns, True)
# self.INDEXER_ROUND = resp.confirmedRound
return aid
def getCreator(self, client, sender, asset_id):
return client.asset_info(asset_id)["params"]["creator"]
def testAttest(self, client, sender, asset_id):
taddr = get_application_address(self.tokenid)
aa = decode_address(taddr).hex()
emitter_addr = self.optin(client, sender, self.coreid, 0, aa)
creator = self.getCreator(client, sender, asset_id)
c = client.account_info(creator)
wormhole = c.get("auth-addr") == taddr
if not wormhole:
creator = self.optin(client, sender, self.tokenid, asset_id, b"native".hex())
txns = []
sp = client.suggested_params()
a = transaction.ApplicationCallTxn(
sender=sender.getAddress(),
index=self.tokenid,
on_complete=transaction.OnComplete.NoOpOC,
app_args=[b"attestToken", asset_id],
foreign_apps = [self.coreid],
foreign_assets = [asset_id],
accounts=[emitter_addr, creator, c["address"]],
sp=sp
)
a.fee = a.fee * 2
txns.append(a)
resp = self.sendTxn(client, sender, txns, True)
# Point us at the correct round
self.INDEXER_ROUND = resp.confirmedRound
# print(encode_address(resp.__dict__["logs"][0]))
# print(encode_address(resp.__dict__["logs"][1]))
return self.parseSeqFromLog(resp)
def transferAsset(self, client, sender, asset_id, quantity, receiver):
taddr = get_application_address(self.tokenid)
aa = decode_address(taddr).hex()
emitter_addr = self.optin(client, sender, self.coreid, 0, aa)
# asset_id 0 is ALGO
if asset_id == 0:
wormhole = False
else:
creator = self.getCreator(client, sender, asset_id)
c = client.account_info(creator)
wormhole = c.get("auth-addr") == taddr
txns = []
if not wormhole:
creator = self.optin(client, sender, self.tokenid, asset_id, b"native".hex())
print("non wormhole account " + creator)
sp = client.suggested_params()
if (asset_id != 0) and (not self.asset_optin_check(client, sender, asset_id, creator)):
print("Looks like we need to optin")
txns.append(
transaction.PaymentTxn(
sender=sender.getAddress(),
receiver=creator,
amt=100000,
sp=sp
)
)
# The tokenid app needs to do the optin since it has signature authority
a = transaction.ApplicationCallTxn(
sender=sender.getAddress(),
index=self.tokenid,
on_complete=transaction.OnComplete.NoOpOC,
app_args=[b"optin", asset_id],
foreign_assets = [asset_id],
accounts=[creator],
sp=sp
)
a.fee = a.fee * 2
txns.append(a)
self.sendTxn(client, sender, txns, False)
txns = []
if asset_id == 0:
print("asset_id == 0")
txns.append(transaction.PaymentTxn(
sender=sender.getAddress(),
receiver=creator,
amt=quantity,
sp=sp,
))
accounts=[emitter_addr, creator, creator]
else:
print("asset_id != 0")
txns.append(
transaction.AssetTransferTxn(
sender = sender.getAddress(),
sp = sp,
receiver = creator,
amt = quantity,
index = asset_id
))
accounts=[emitter_addr, creator, c["address"]]
print(accounts)
a = transaction.ApplicationCallTxn(
sender=sender.getAddress(),
index=self.tokenid,
on_complete=transaction.OnComplete.NoOpOC,
app_args=[b"sendTransfer", asset_id, quantity, decode_address(receiver), 8, 0],
foreign_apps = [self.coreid],
foreign_assets = [asset_id],
accounts=accounts,
sp=sp
)
a.fee = a.fee * 2
txns.append(a)
resp = self.sendTxn(client, sender, txns, True)
self.INDEXER_ROUND = resp.confirmedRound
# pprint.pprint(resp.__dict__)
# print(encode_address(resp.__dict__["logs"][0]))
# print(encode_address(resp.__dict__["logs"][1]))
return self.parseSeqFromLog(resp)
def sendTxn(self, client, sender, txns, doWait):
transaction.assign_group_id(txns)
grp = []
pk = sender.getPrivateKey()
for t in txns:
grp.append(t.sign(pk))
client.send_transactions(grp)
if doWait:
return self.waitForTransaction(client, grp[-1].get_txid())
else:
return grp[-1].get_txid()
def asset_optin_check(self, client, sender, asset, receiver):
if receiver not in self.asset_cache:
self.asset_cache[receiver] = {}
if asset in self.asset_cache[receiver]:
return True
ai = client.account_info(receiver)
if "assets" in ai:
for x in ai["assets"]:
if x["asset-id"] == asset:
self.asset_cache[receiver][asset] = True
return True
return False
def asset_optin(self, client, sender, asset, receiver):
if self.asset_optin_check(client, sender, asset, receiver):
return
pprint.pprint(["asset_optin", asset, receiver])
sp = client.suggested_params()
optin_txn = transaction.AssetTransferTxn(
sender = sender.getAddress(),
sp = sp,
receiver = receiver,
amt = 0,
index = asset
)
transaction.assign_group_id([optin_txn])
signed_optin = optin_txn.sign(sender.getPrivateKey())
client.send_transactions([signed_optin])
resp = self.waitForTransaction(client, signed_optin.get_txid())
assert self.asset_optin_check(client, sender, asset, receiver), "The optin failed"
print("woah! optin succeeded")
def parseVAA(self, vaa):
# print (vaa.hex())
ret = {"version": int.from_bytes(vaa[0:1], "big"), "index": int.from_bytes(vaa[1:5], "big"), "siglen": int.from_bytes(vaa[5:6], "big")}
ret["signatures"] = vaa[6:(ret["siglen"] * 66) + 6]
ret["sigs"] = []
for i in range(ret["siglen"]):
ret["sigs"].append(vaa[(6 + (i * 66)):(6 + (i * 66)) + 66].hex())
off = (ret["siglen"] * 66) + 6
ret["digest"] = vaa[off:] # This is what is actually signed...
ret["timestamp"] = int.from_bytes(vaa[off:(off + 4)], "big")
off += 4
ret["nonce"] = int.from_bytes(vaa[off:(off + 4)], "big")
off += 4
ret["chainRaw"] = vaa[off:(off + 2)]
ret["chain"] = int.from_bytes(vaa[off:(off + 2)], "big")
off += 2
ret["emitter"] = vaa[off:(off + 32)]
off += 32
ret["sequence"] = int.from_bytes(vaa[off:(off + 8)], "big")
off += 8
ret["consistency"] = int.from_bytes(vaa[off:(off + 1)], "big")
off += 1
ret["Meta"] = "Unknown"
if vaa[off:(off + 32)].hex() == "000000000000000000000000000000000000000000546f6b656e427269646765":
ret["Meta"] = "TokenBridge"
ret["module"] = vaa[off:(off + 32)].hex()
off += 32
ret["action"] = int.from_bytes(vaa[off:(off + 1)], "big")
off += 1
if ret["action"] == 1:
ret["Meta"] = "TokenBridge RegisterChain"
ret["targetChain"] = int.from_bytes(vaa[off:(off + 2)], "big")
off += 2
ret["EmitterChainID"] = int.from_bytes(vaa[off:(off + 2)], "big")
off += 2
ret["targetEmitter"] = vaa[off:(off + 32)].hex()
off += 32
if ret["action"] == 2:
ret["Meta"] = "TokenBridge UpgradeContract"
ret["targetChain"] = int.from_bytes(vaa[off:(off + 2)], "big")
off += 2
ret["newContract"] = vaa[off:(off + 32)].hex()
off += 32
if vaa[off:(off + 32)].hex() == "00000000000000000000000000000000000000000000000000000000436f7265":
ret["Meta"] = "CoreGovernance"
ret["module"] = vaa[off:(off + 32)].hex()
off += 32
ret["action"] = int.from_bytes(vaa[off:(off + 1)], "big")
off += 1
ret["targetChain"] = int.from_bytes(vaa[off:(off + 2)], "big")
off += 2
ret["NewGuardianSetIndex"] = int.from_bytes(vaa[off:(off + 4)], "big")
if ((len(vaa[off:])) == 100) and int.from_bytes((vaa[off:off+1]), "big") == 2:
ret["Meta"] = "TokenBridge Attest"
ret["Type"] = int.from_bytes((vaa[off:off+1]), "big")
off += 1
ret["Contract"] = vaa[off:(off + 32)].hex()
off += 32
ret["FromChain"] = int.from_bytes(vaa[off:(off + 2)], "big")
off += 2
ret["Decimals"] = int.from_bytes((vaa[off:off+1]), "big")
off += 1
ret["Symbol"] = vaa[off:(off + 32)].hex()
off += 32
ret["Name"] = vaa[off:(off + 32)].hex()
if ((len(vaa[off:])) == 133) and int.from_bytes((vaa[off:off+1]), "big") == 1:
ret["Meta"] = "TokenBridge Transfer"
ret["Type"] = int.from_bytes((vaa[off:off+1]), "big")
off += 1
ret["Amount"] = vaa[off:(off + 32)].hex()
off += 32
ret["Contract"] = vaa[off:(off + 32)].hex()
off += 32
ret["FromChain"] = int.from_bytes(vaa[off:(off + 2)], "big")
off += 2
ret["ToAddress"] = vaa[off:(off + 32)].hex()
off += 32
ret["ToChain"] = int.from_bytes(vaa[off:(off + 2)], "big")
off += 2
ret["Fee"] = vaa[off:(off + 32)].hex()
return ret
def bootGuardians(self, vaa, client, sender, coreid):
p = self.parseVAA(vaa)
if "NewGuardianSetIndex" not in p:
raise Exception("invalid guardian VAA")
seq_addr = self.optin(client, sender, coreid, int(p["sequence"] / max_bits), p["chainRaw"].hex() + p["emitter"].hex())
guardian_addr = self.optin(client, sender, coreid, p["index"], b"guardian".hex())
newguardian_addr = self.optin(client, sender, coreid, p["NewGuardianSetIndex"], b"guardian".hex())
# wormhole is not a cheap protocol... we need to buy ourselves
# some extra CPU cycles by having an early txn do nothing.
# This leaves cycles over for later txn's in the same group
txn0 = transaction.ApplicationCallTxn(
sender=sender.getAddress(),
index=coreid,
on_complete=transaction.OnComplete.NoOpOC,
app_args=[b"nop", b"0"],
sp=client.suggested_params(),
)
txn1 = transaction.ApplicationCallTxn(
sender=sender.getAddress(),
index=coreid,
on_complete=transaction.OnComplete.NoOpOC,
app_args=[b"nop", b"1"],
sp=client.suggested_params(),
)
txn2 = transaction.ApplicationCallTxn(
sender=sender.getAddress(),
index=coreid,
on_complete=transaction.OnComplete.NoOpOC,
app_args=[b"init", vaa, decode_address(self.vaa_verify["hash"])],
accounts=[seq_addr, guardian_addr, newguardian_addr],
sp=client.suggested_params(),
)
transaction.assign_group_id([txn0, txn1, txn2])
signedTxn0 = txn0.sign(sender.getPrivateKey())
signedTxn1 = txn1.sign(sender.getPrivateKey())
signedTxn2 = txn2.sign(sender.getPrivateKey())
client.send_transactions([signedTxn0, signedTxn1, signedTxn2])
response = self.waitForTransaction(client, signedTxn2.get_txid())
#pprint.pprint(response.__dict__)
def decodeLocalState(self, client, sender, appid, addr):
app_state = None
ai = client.account_info(addr)
for app in ai["apps-local-state"]:
if app["id"] == appid:
app_state = app["key-value"]
ret = b''
if None != app_state:
vals = {}
e = bytes.fromhex("00"*127)
for kv in app_state:
key = int.from_bytes(base64.b64decode(kv["key"]), "big")
v = base64.b64decode(kv["value"]["bytes"])
if v != e:
vals[key] = v
for k in sorted(vals.keys()):
ret = ret + vals[k]
return ret
# There is no client side duplicate suppression, error checking, or validity
# checking. We need to be able to detect all failure cases in
# the contract itself and we want to use this to drive the failure test
# cases
def submitVAA(self, vaa, client, sender):
# A lot of our logic here depends on parseVAA and knowing what the payload is..
p = self.parseVAA(vaa)
# First we need to opt into the sequence number
if p["Meta"] == "CoreGovernance":
appid = self.coreid
else:
appid = self.tokenid
seq_addr = self.optin(client, sender, appid, int(p["sequence"] / max_bits), p["chainRaw"].hex() + p["emitter"].hex())
# And then the signatures to help us verify the vaa_s
guardian_addr = self.optin(client, sender, self.coreid, p["index"], b"guardian".hex())
accts = [seq_addr, guardian_addr]
# If this happens to be setting up a new guardian set, we probably need it as well...
if p["Meta"] == "CoreGovernance" and p["action"] == 2:
newguardian_addr = self.optin(client, sender, self.coreid, p["NewGuardianSetIndex"], b"guardian".hex())
accts.append(newguardian_addr)
# When we attest for a new token, we need some place to store the info... later we will need to
# mirror the other way as well
if p["Meta"] == "TokenBridge Attest" or p["Meta"] == "TokenBridge Transfer":
if p["FromChain"] != 8:
chain_addr = self.optin(client, sender, self.tokenid, p["FromChain"], p["Contract"])
else:
asset_id = int.from_bytes(bytes.fromhex(p["Contract"]), "big")
chain_addr = self.optin(client, sender, self.tokenid, asset_id, b"native".hex())
accts.append(chain_addr)
keys = self.decodeLocalState(client, sender, self.coreid, guardian_addr)
sp = client.suggested_params()
txns = []
# Right now there is not really a good way to estimate the fees,
# in production, on a conjested network, how much verifying
# the signatures is going to cost.
# So, what we do instead
# is we top off the verifier back up to 2A so effectively we
# are paying for the previous persons overrage which on a
# unconjested network should be zero
pmt = 3000
bal = self.getBalances(client, self.vaa_verify["hash"])
if ((200000 - bal[0]) >= pmt):
pmt = 200000 - bal[0]
print("Sending %d algo to cover fees" % (pmt))
txns.append(
transaction.PaymentTxn(
sender = sender.getAddress(),
sp = sp,
receiver = self.vaa_verify["hash"],
amt = pmt * 2
)
)
# How many signatures can we process in a single txn... we can do 9!
bsize = (9*66)
blocks = int(len(p["signatures"]) / bsize) + 1