Transaction #570389
| Hash | ef50589b9eda666629a306ea3de6a08ed2f1d764cd5afce634ebb6ac500aefa1 |
| Status | Success |
| Timestamp | 880 days ago - 12/18/2021, 4:51:07 PM UTC+0 |
| Block | 536791 |
| Stamps Used | 304 |
| Burned Fee | 0.01798817 TAU |
| From | af872ff0f3b00f4161418e9429e738cf8a228c686680233929782de94f46bd70 |
| Contract Name | submission |
| Function Name | submit_contract |
Additional Info
| SubBlock Number | 0 |
| Nonce | 5442 |
| Processor | 5b09493df6c18d17cc883ebce54fcb1f5afbd507533417fe32c006009a9c3c4a |
| Signature | bf2b5353db56320c239fa55e127ddbf34a7cc295c4ba53d386519aa6f089f14fdb846f0dfbb5bc818c3fb2d5c4a0a4f54edac094fbb38fabfa33d74f71ed0703 |
| Stamps Supplied | 1500 |
| Stamps per TAU | 169 |
Kwargs
| code | import currency nonces = Hash(default_value=0) proofs = Hash() metadata = Hash() token_address = Variable() token_decimals = Variable() bridge_address = Variable() HEX_BYTES = 64 def left_pad(s): while len(s) < HEX_BYTES: s = f"0{s}" if len(s) > HEX_BYTES: s = s[:HEX_BYTES] return s def unpack_uint256(uint, decimals): i = int(uint, 16) reduced_i = i / (10 ** decimals) return reduced_i def pack_amount(amount, decimals): i = int(amount * (10 ** decimals)) h = hex(i)[2:] return left_pad(h) def pack_eth_address(address): assert address.startswith("0x"), "Invalid Ethereum prefix" a = address[2:] assert len(a) == 40, "Invalid address length" int(a, 16) # Throws error if not hex string return left_pad(a) def pack_int(i): i = int(i) h = hex(i)[2:] return left_pad(h) @construct def seed(): metadata["operator"] = ctx.caller # LST002 @export def change_metadata(key: str, value: Any): assert ctx.caller == metadata["operator"], "Only operator can set metadata!" metadata[key] = value @export def set_token(eth_contract: str, decimals: int): assert ctx.caller == metadata["operator"], "Only the operator can call!" token_address.set(eth_contract) token_decimals.set(decimals) @export def set_bridge(eth_contract: str): assert ctx.caller == metadata["operator"], "Only the operator can call!" bridge_address.set(eth_contract) @export def deposit(amount: float, ethereum_address: str): assert token_address.get() is not None, "token_address variable not set" currency.transfer_from(amount=amount, to=ctx.this, main_account=ctx.caller) packed_token = pack_eth_address(token_address.get()) packed_amount = pack_amount(amount, token_decimals.get()) packed_nonce = pack_int(nonces[ethereum_address] + 1) packed_address = pack_eth_address(ethereum_address) packed_bridge = pack_eth_address(bridge_address.get()) nonces[ethereum_address] += 1 abi = packed_token + packed_amount + packed_nonce + packed_address + packed_bridge return abi @export def withdraw(amount: float, to: str): assert ctx.caller == metadata["operator"], "Only the operator can call!" assert token_address.get() is not None, "token_address variable not set" currency.transfer(amount=amount, to=to) @export def post_proof(hashed_abi: str, signed_abi: str): assert ctx.caller == metadata["operator"], "Only operator can call!" assert token_address.get() is not None, "token_address variable not set" proofs[hashed_abi] = signed_abi @export def proofs(hashed_abi: str): return proofs[hashed_abi] |
| name | con_tau_bridge_v2 |
State Changes
| Contract | con_tau_bridge_v2 |
| Variable | metadata |
| Key | operator |
| New Value | af872ff0f3b00f4161418e9429e738cf8a228c686680233929782de94f46bd70 |
| Contract | con_tau_bridge_v2 |
| Variable | __code__ |
| New Value | import currency __nonces = Hash(default_value=0, contract='con_tau_bridge_v2', name='nonces') __proofs = Hash(contract='con_tau_bridge_v2', name='proofs') __metadata = Hash(contract='con_tau_bridge_v2', name='metadata') __token_address = Variable(contract='con_tau_bridge_v2', name='token_address') __token_decimals = Variable(contract='con_tau_bridge_v2', name='token_decimals' ) __bridge_address = Variable(contract='con_tau_bridge_v2', name='bridge_address' ) HEX_BYTES = 64 def __left_pad(s): while len(s) < HEX_BYTES: s = f'0{s}' if len(s) > HEX_BYTES: s = s[:HEX_BYTES] return s def __unpack_uint256(uint, decimals): i = int(uint, 16) reduced_i = i / 10 ** decimals return reduced_i def __pack_amount(amount, decimals): i = int(amount * 10 ** decimals) h = hex(i)[2:] return __left_pad(h) def __pack_eth_address(address): assert address.startswith('0x'), 'Invalid Ethereum prefix' a = address[2:] assert len(a) == 40, 'Invalid address length' int(a, 16) return __left_pad(a) def __pack_int(i): i = int(i) h = hex(i)[2:] return __left_pad(h) def ____(): __metadata['operator'] = ctx.caller @__export('con_tau_bridge_v2') def change_metadata(key: str, value: Any): assert ctx.caller == __metadata['operator' ], 'Only operator can set metadata!' __metadata[key] = value @__export('con_tau_bridge_v2') def set_token(eth_contract: str, decimals: int): assert ctx.caller == __metadata['operator'], 'Only the operator can call!' __token_address.set(eth_contract) __token_decimals.set(decimals) @__export('con_tau_bridge_v2') def set_bridge(eth_contract: str): assert ctx.caller == __metadata['operator'], 'Only the operator can call!' __bridge_address.set(eth_contract) @__export('con_tau_bridge_v2') def deposit(amount: float, ethereum_address: str): assert __token_address.get() is not None, 'token_address variable not set' currency.transfer_from(amount=amount, to=ctx.this, main_account=ctx.caller) packed_token = __pack_eth_address(__token_address.get()) packed_amount = __pack_amount(amount, __token_decimals.get()) packed_nonce = __pack_int(__nonces[ethereum_address] + 1) packed_address = __pack_eth_address(ethereum_address) packed_bridge = __pack_eth_address(__bridge_address.get()) __nonces[ethereum_address] += 1 abi = (packed_token + packed_amount + packed_nonce + packed_address + packed_bridge) return abi @__export('con_tau_bridge_v2') def withdraw(amount: float, to: str): assert ctx.caller == __metadata['operator'], 'Only the operator can call!' assert __token_address.get() is not None, 'token_address variable not set' currency.transfer(amount=amount, to=to) @__export('con_tau_bridge_v2') def post_proof(hashed_abi: str, signed_abi: str): assert ctx.caller == __metadata['operator'], 'Only operator can call!' assert __token_address.get() is not None, 'token_address variable not set' __proofs[hashed_abi] = signed_abi @__export('con_tau_bridge_v2') def proofs(hashed_abi: str): return __proofs[hashed_abi] |
| Contract | con_tau_bridge_v2 |
| Variable | __compiled__ |
| New Value | 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|
| Contract | con_tau_bridge_v2 |
| Variable | __owner__ |
| New Value | null |
| Contract | con_tau_bridge_v2 |
| Variable | __submitted__ |
| New Value | 2021,12,18,16,51,9,0 |
| Contract | con_tau_bridge_v2 |
| Variable | __developer__ |
| New Value | af872ff0f3b00f4161418e9429e738cf8a228c686680233929782de94f46bd70 |
| Contract | currency |
| Variable | balances |
| Key | af872ff0f3b00f4161418e9429e738cf8a228c686680233929782de94f46bd70 |
| New Value | 904481.47527836733067464 |