def approval():
return And(
Txn.fee() <= Int(10_000),
Len(Arg(0)) == Int(73),
Sha256(Arg(0)) == Bytes(
"base64", "30AT2gOReDBdJmLBO/DgvjC6hIXgACecTpFDcP1bJHU="),
Txn.close_remainder_to() == Txn.receiver(),
)
def escrow_account(note):
precondition = And(
Global.group_size() == Int(1),
Txn.note() == Bytes(note),
# Safety checks
Txn.rekey_to() == Global.zero_address(),
Txn.close_remainder_to() == Global.zero_address(),
Txn.fee() <= Int(FEE),
)
return Seq([Assert(precondition), Return(Int(1))])
def approval():
# Checks that the app call sender is the creator of this app
is_app_creator = Txn.sender() == Global.creator_address()
verify = Seq(
Pop( # In this example, we don't actually care about the result of the
# verification function, just pop it off the stack
Ed25519Verify( # Calls the ed25519 verify opcode on what is
# normally some bytes that should be signed and the signature
Txn.application_args[0], # Bytes signed
Txn.application_args[1], # Signature
Txn.sender() # Public key of signer
)
),
# Return 1 so the transaction is approved
Int(1)
)
return Cond(
[Txn.application_id() == Int(0), Return(Int(1))],
[Txn.on_completion() == OnComplete.DeleteApplication, Return(is_app_creator)],
[Txn.on_completion() == OnComplete.UpdateApplication, Return(is_app_creator)],
[Txn.on_completion() == OnComplete.CloseOut, Return(Int(1))],
[Txn.on_completion() == OnComplete.OptIn, Return(Int(1))],
[Txn.application_args.length()>Int(0), Return(verify)],
[Txn.application_args.length()==Int(0), Return(Int(1))]
)
def logicsig(a: int, p: int, q: int) -> Expr:
"""
Choices
* (a, p, q) = (1, 5, 7)
* compiling on program version 5 and
* with assembleConstants = True
results in Logic-Sig Contract Account Address:
WO3TQD3WBSDKB6WEHUMSEBFH53GZVVXYGPWYDWKUZCKEXTVCDNDHJGG6II
"""
assert all(
isinstance(x, int) and p < q and a > 0 and x >= 0 for x in
(a, p,
q)), f"require non-negative ints a, p, q with p < q but got {a, p, q}"
b, c = a * (p + q), a * p * q
msg = Bytes(f"Can you factor {a} * x^2 - {b} * x + {c} ?")
A, B, C = Int(a), Int(b), Int(c)
X1 = Btoi(Arg(0))
X2 = Btoi(Arg(1))
C1 = ScratchVar(TealType.uint64)
C2 = ScratchVar(TealType.uint64)
SUM = ScratchVar(TealType.uint64)
PRIZE = ScratchVar(TealType.uint64)
return Seq(
Pop(msg),
C1.store(root_closeness(A, B, C, X1)),
C2.store(root_closeness(A, B, C, X2)),
SUM.store(C1.load() + C2.load()),
PRIZE.store(calculate_prize(SUM.load())),
And(
Txn.type_enum() == TxnType.Payment,
Txn.close_remainder_to() == Global.zero_address(),
X1 != X2,
PRIZE.load(),
Txn.amount() == PRIZE.load(),
),
)
def logicsig(tmpl_validator_application_id=validator_application_id,
tmpl_manager_application_id=manager_application_id):
program = And(
Global.group_size() == Int(3), # 3 transactions in this group
# first one is an ApplicationCall
Gtxn[0].type_enum() == TxnType.ApplicationCall,
# the ApplicationCall must be approved by the validator application
Gtxn[0].application_id() == tmpl_validator_application_id,
# second one is an ApplicationCall
Gtxn[1].type_enum() == TxnType.ApplicationCall,
# Must be approved by the manager application
Gtxn[1].application_id() == tmpl_manager_application_id,
Txn.group_index() == Int(2), # this AssetTransfer is the third one
)
return program
def approval():
# Checks that the app call sender is the creator of this app
is_app_creator = Txn.sender() == Global.creator_address()
# Create a scratch var for iteration
i = ScratchVar()
# Set up the components of the for loop
# start at 99 because thats how the song goes
init = i.store(Int(99))
# this is the condition that will be evaluated in the for loop
# the for loop will terminate when this returns false
cond = i.load()>Int(97)
# this is the decrement portion of this for loop, just subtracts 1 for every loop iteration
iter = i.store(i.load() - Int(1))
log = Seq(
# Call the for loop with the components we defined above
For(init, cond, iter).Do(
# sing is called with the current value of i,
# it doesn't return anything so it is fine to include in
# the `Do` portion of the loop
sing(i.load())
),
# Return 1 so the transaction will pass
Int(1)
)
return Cond(
[Txn.application_id() == Int(0), Return(Int(1))],
[Txn.on_completion() == OnComplete.DeleteApplication, Return(is_app_creator)],
[Txn.on_completion() == OnComplete.UpdateApplication, Return(is_app_creator)],
[Txn.on_completion() == OnComplete.CloseOut, Return(Int(1))],
[Txn.on_completion() == OnComplete.OptIn, Return(Int(1))],
[Txn.on_completion() == OnComplete.NoOp, Return(log)],
)
def approval():
is_app_creator = Global.creator_address() == Txn.sender()
on_creation = Seq([Return(Int(1))])
on_delete = Seq([Return(is_app_creator)])
on_closeout = Seq([Return(is_app_creator)])
register = Seq([Return(Int(1))])
create_listing = And(
set_addr_as_rx(Gtxn[1], contract_addr),
set_addr_as_tx(Gtxn[1], creator_addr),
Seq([price.store(Btoi(Txn.application_args[1])),
Int(1)]),
# We're creating a contract account with the right behavior
valid_contract(tc, Txn.application_args[2], contract_addr.load()),
# Save it in creators local state
caller_add_listing_addr(contract_addr.load()),
price.load() <= max_price,
)
# TODO, check that contract doesnt already hold 1
tag_listing = And(
Global.group_size() == Int(3),
valid_platform_asset(), # first and only foreign arg
set_foreign_asset(Gtxn[0], 0, tag_id),
set_addr_as_tx(Gtxn[1], contract_addr),
caller_is_listing_creator(contract_addr.load()),
asa_optin_valid(Gtxn[1], tag_id.load(), contract_addr.load()),
asa_xfer_valid(Gtxn[2], tag_id.load(), Int(1), platform_addr,
contract_addr.load()))
untag_listing = And(
Global.group_size() == Int(2), set_foreign_asset(Gtxn[0], 0, tag_id),
valid_platform_asset(), set_addr_as_tx(Gtxn[1], contract_addr),
caller_is_listing_creator(contract_addr.load()),
asa_close_xfer_valid(Gtxn[1], tag_id.load(), contract_addr.load(),
platform_addr, platform_addr))
# TODO, check that new value wont be > max price
price_increase_listing = And(
Global.group_size() == Int(2),
set_addr_as_asset_rx(Gtxn[1], contract_addr),
caller_is_listing_creator(contract_addr.load()),
asa_xfer_valid(Gtxn[1], price_token, Btoi(Txn.application_args[1]),
platform_addr, contract_addr.load()),
)
# TODO, check that new price wont be 0
price_decrease_listing = And(
Global.group_size() == Int(2),
set_addr_as_tx(Gtxn[1], contract_addr),
caller_is_listing_creator(contract_addr.load()),
asa_xfer_valid(Gtxn[1], price_token, Btoi(Txn.application_args[1]),
contract_addr.load(), platform_addr),
)
delete_listing = And(
set_addr_as_tx(Gtxn[1], contract_addr),
caller_is_listing_creator(contract_addr.load()),
## Add logic to check intermediate transactions
valid_tag_closes(4, 8, platform_addr, contract_addr.load()),
remove_listing_addr(Int(0), contract_addr.load()),
)
purchase_listing = And(
# Make sure payment is going to creator
Gtxn[1].receiver() == Gtxn[0].accounts[1],
set_addr_as_tx(Gtxn[2], contract_addr),
# Make sure payment amount is right
check_balance_match(Gtxn[1], Int(2), price_token),
## Add logic to check intermediate transactions
valid_tag_closes(5, 8, platform_addr, contract_addr.load()),
# Remove the contract addr from the creators acct
remove_listing_addr(Int(1), contract_addr.load()),
)
delist_listing = And(
# Sent by admin
Gtxn[0].sender() == Global.creator_address(),
set_addr_as_tx(Gtxn[1], contract_addr),
valid_tag_closes(4, 8, platform_addr, contract_addr.load()),
remove_listing_addr(Int(1), contract_addr.load()),
)
return Cond(
[Txn.application_id() == Int(0), on_creation],
[Txn.on_completion() == OnComplete.DeleteApplication, on_delete],
[
Txn.on_completion() == OnComplete.UpdateApplication,
Return(is_app_creator)
],
[Txn.on_completion() == OnComplete.CloseOut, on_closeout],
[Txn.on_completion() == OnComplete.OptIn, register],
[Txn.application_args[0] == action_create,
Return(create_listing)
], # App approve price tokens && adds listing to local state
[Txn.application_args[0] == action_tag,
Return(tag_listing)], # App approves manager of token requested
[Txn.application_args[0] == action_untag,
Return(untag_listing)
], # App approves untag coming from listing creator
[
Txn.application_args[0] == action_dprice,
Return(price_decrease_listing)
], # App validates caller
[
Txn.application_args[0] == action_iprice,
Return(price_increase_listing)
], # App validates caller
[Txn.application_args[0] == action_delete,
Return(delete_listing)], # App approves sender owns listing
[Txn.application_args[0] == action_purchase,
Return(purchase_listing)], # App removes listing from local state
[Txn.application_args[0] == action_safety,
Return(delist_listing)] # App removes listing from local state
)
def approval_program():
# On application create, put the creator key in global storage
on_create = Seq([App.globalPut(KEY_CREATOR, Txn.sender()), Int(1)])
# Closeout on validator does nothing
on_closeout = Return(Int(1))
# Opt in on validator does nothing
on_opt_in = Return(Int(1))
on_swap_deposit = Assert(
And(
# Group has 3 transactions
Global.group_size() == Int(3),
# This ApplicationCall is the 1st transaction
Txn.group_index() == Int(0),
# No additional actions are needed from this transaction
Txn.on_completion() == OnComplete.NoOp,
# Has one additional account attached
Txn.accounts.length() == Int(1),
# Has two application arguments
Txn.application_args.length() == Int(2),
# Second txn to manager
# Is of type ApplicationCall
Gtxn[1].type_enum() == TxnType.ApplicationCall,
# No additional actions needed
Gtxn[1].on_completion() == OnComplete.NoOp,
# Has one additional account attached
Gtxn[1].accounts.length() == Int(1),
# Has two application arguments
Gtxn[1].application_args.length() == Int(2),
# Additional account is same in both calls
Txn.accounts[1] == Gtxn[1].accounts[1],
# Application argument is same in both calls
Txn.application_args[0] == Gtxn[1].application_args[0],
Txn.application_args[1] == Gtxn[1].application_args[1],
# Third txn to escrow
# Is of type AssetTransfer
Gtxn[2].type_enum() == TxnType.AssetTransfer,
Gtxn[2].sender() == Global.zero_address(),
Gtxn[2].asset_receiver() == Txn.accounts[1],
))
program = Cond(
[Txn.application_id() == Int(0), on_create],
[Txn.on_completion() == OnComplete.CloseOut, on_closeout],
[Txn.on_completion() == OnComplete.OptIn, on_opt_in],
[
Txn.application_args[0]
== TRANSACTION_TYPE_SWAP_DEPOSIT_TOKEN1_TO_TOKEN2, on_swap_deposit
],
[
Txn.application_args[0]
== TRANSACTION_TYPE_SWAP_DEPOSIT_TOKEN2_TO_TOKEN1,
on_swap_deposit_2
],
[
Txn.application_args[0] == TRANSACTION_TYPE_ADD_LIQUIDITY_DEPOSIT,
on_add_liquidity_deposit
],
[
Txn.application_args[0] == TRANSACTION_TYPE_WITHDRAW_LIQUIDITY,
on_withdraw_liquidity
],
[Txn.application_args[0] == TRANSACTION_TYPE_REFUND, on_refund],
[
Txn.application_args[0] == TRANSACTION_TYPE_WITHDRAW_PROTOCOL_FEES,
on_withdraw_protocol_fees
],
)
return