Transaction #1131044
| Hash | 07fe93130a6cc17a8d830b2e04f0ab6b136a0282441347a8856a7d0aaad40a5f |
| Status | Success |
| Timestamp | 564 days ago - 10/23/2022, 10:28:19 PM UTC+0 |
| Block | 1082172 |
| Stamps Used | 527 |
| Burned Fee | 0.03118343 TAU |
| From | f0fc0db25cc1381a98052a2826cb905b78fb6ab4d7ef76f64054509bee070b07 |
| Contract Name | submission |
| Function Name | submit_contract |
Additional Info
| SubBlock Number | 0 |
| Nonce | 3 |
| Processor | 5b09493df6c18d17cc883ebce54fcb1f5afbd507533417fe32c006009a9c3c4a |
| Signature | 1d82314e59fbe8eecbf418f1bfe54520d412a341dbac819fdc5e226a5cda8de8fd4504983081ae23399b6aef997b0f26be80a0ffc364960f48f808c14360a305 |
| Stamps Supplied | 1500 |
| Stamps per TAU | 169 |
Kwargs
| code | tad_contract = importlib.import_module('con_october_tad') vault_contract = importlib.import_module('con_october_vault') rate = Hash() balances = Hash(default_value=0) metadata = Hash() total_minted = Variable() operator = Variable() temporary_var = Variable() @construct def seed(): operator.set(ctx.caller) rate['start_time'] = get_timestamp() rate['rate'] = 1.0000000015469297 # interest per second rate['start_price'] = 1 metadata['token_name'] = 'Staked tad' metadata['token_symbol'] = 'stad' metadata['token_logo_url'] = 'image.site' metadata['operator'] = ctx.caller total_minted.set(0) @export def get_timestamp(): # https://developers.lamden.io/docs/smart-contracts/datetime-module/ td = now - datetime.datetime(1970, 1, 1, 0, 0, 0) return fix_decimal(td.seconds) @export def stake(amount: float): assert amount > 0, 'Stake amount must be positive!' tad_contract.transfer_from( to=ctx.this, amount=amount, main_account=ctx.caller) amount_minted = amount / get_price() total = total_minted.get() + amount_minted total_minted.set(total) balances[ctx.caller] += amount_minted return amount_minted @export def withdraw_stake(amount: float): assert amount > 0, 'Stake amount must be positive!' assert balances[ctx.caller] >= amount, 'Not enough coins to withdraw!' balances[ctx.caller] -= amount current_price = get_price() return_amount = current_price * amount supply = total_minted.get() current_average = fix_decimal(supply / tad_contract.balance_of(ctx.this)) transfer_away_amount = amount * current_average total_minted.set(supply - amount) if return_amount - transfer_away_amount > 0: vault_contract.mint_rewards( amount=return_amount - transfer_away_amount) tad_contract.transfer(amount=return_amount, to=ctx.caller) return return_amount @export def change_rate(new_rate: float): # takes yearly interest as decimal assert_owner() assert new_rate >= 0, 'Cannot have negative staking!' current_price = get_price() rate['start_time'] = get_timestamp() rate['rate'] = new_rate # interest per second rate['start_price'] = current_price @export def transfer(amount: float, to: str): assert amount > 0, 'Cannot send negative balances!' sender = ctx.caller assert balances[sender] >= amount, 'Not enough coins to send!' balances[sender] -= amount balances[to] += amount @export def balance_of(account: str): return balances[account] @export def allowance(owner: str, spender: str): return balances[owner, spender] @export def approve(amount: float, to: str): assert amount > 0, 'Cannot send negative balances!' sender = ctx.caller assert balances[sender] >= amount, 'Cannot approve balance that exceeds total balance!' balances[sender, to] += amount return balances[sender, to] @export def transfer_from(amount: float, to: str, main_account: str): assert amount > 0, 'Cannot send negative balances!' sender = ctx.caller assert balances[main_account] >= amount, 'Not enough coins to send!' assert balances[main_account, sender] >= amount, 'Not enough coins approved to send! You have {} and are trying to spend {}'\ .format(balances[main_account, sender], amount) balances[main_account, sender] -= amount balances[main_account] -= amount balances[to] += amount @export def get_price(): return rate['start_price'] * rate['rate'] ** ( get_timestamp() - rate['start_time']) @export def change_metadata(key: str, value: Any): assert ctx.caller == metadata['operator'], 'Only operator can set metadata!' metadata[key] = value @export def change_owner(new_owner: str): assert_owner() operator.set(new_owner) def assert_owner(): assert ctx.caller == operator.get(), 'Only operator can call!' def fix_decimal(old_decimal: float): temporary_var.set(old_decimal) new_decimal = temporary_var.get() return new_decimal |
| name | con_october_stake |
State Changes
| Contract | con_october_stake |
| Variable | operator |
| New Value | f0fc0db25cc1381a98052a2826cb905b78fb6ab4d7ef76f64054509bee070b07 |
| Contract | con_october_stake |
| Variable | temporary_var |
| New Value | 1666564100 |
| Contract | con_october_stake |
| Variable | rate |
| Key | start_time |
| New Value | 1666564100 |
| Contract | con_october_stake |
| Variable | rate |
| Key | rate |
| New Value | 1.0000000015469297 |
| Contract | con_october_stake |
| Variable | rate |
| Key | start_price |
| New Value | 1 |
| Contract | con_october_stake |
| Variable | metadata |
| Key | token_name |
| New Value | Staked tad |
| Contract | con_october_stake |
| Variable | metadata |
| Key | token_symbol |
| New Value | stad |
| Contract | con_october_stake |
| Variable | metadata |
| Key | token_logo_url |
| New Value | image.site |
| Contract | con_october_stake |
| Variable | metadata |
| Key | operator |
| New Value | f0fc0db25cc1381a98052a2826cb905b78fb6ab4d7ef76f64054509bee070b07 |
| Contract | con_october_stake |
| Variable | total_minted |
| New Value | 0 |
| Contract | con_october_stake |
| Variable | __code__ |
| New Value | tad_contract = importlib.import_module('con_october_tad') vault_contract = importlib.import_module('con_october_vault') __rate = Hash(contract='con_october_stake', name='rate') __balances = Hash(default_value=0, contract='con_october_stake', name= 'balances') __metadata = Hash(contract='con_october_stake', name='metadata') __total_minted = Variable(contract='con_october_stake', name='total_minted') __operator = Variable(contract='con_october_stake', name='operator') __temporary_var = Variable(contract='con_october_stake', name='temporary_var') def ____(): __operator.set(ctx.caller) __rate['start_time'] = get_timestamp() __rate['rate'] = decimal('1.0000000015469297') __rate['start_price'] = 1 __metadata['token_name'] = 'Staked tad' __metadata['token_symbol'] = 'stad' __metadata['token_logo_url'] = 'image.site' __metadata['operator'] = ctx.caller __total_minted.set(0) @__export('con_october_stake') def get_timestamp(): td = now - datetime.datetime(1970, 1, 1, 0, 0, 0) return __fix_decimal(td.seconds) @__export('con_october_stake') def stake(amount: float): assert amount > 0, 'Stake amount must be positive!' tad_contract.transfer_from(to=ctx.this, amount=amount, main_account=ctx .caller) amount_minted = amount / get_price() total = __total_minted.get() + amount_minted __total_minted.set(total) __balances[ctx.caller] += amount_minted return amount_minted @__export('con_october_stake') def withdraw_stake(amount: float): assert amount > 0, 'Stake amount must be positive!' assert __balances[ctx.caller] >= amount, 'Not enough coins to withdraw!' __balances[ctx.caller] -= amount current_price = get_price() return_amount = current_price * amount supply = __total_minted.get() current_average = __fix_decimal(supply / tad_contract.balance_of(ctx.this)) transfer_away_amount = amount * current_average __total_minted.set(supply - amount) if return_amount - transfer_away_amount > 0: vault_contract.mint_rewards(amount=return_amount - transfer_away_amount ) tad_contract.transfer(amount=return_amount, to=ctx.caller) return return_amount @__export('con_october_stake') def change_rate(new_rate: float): __assert_owner() assert new_rate >= 0, 'Cannot have negative staking!' current_price = get_price() __rate['start_time'] = get_timestamp() __rate['rate'] = new_rate __rate['start_price'] = current_price @__export('con_october_stake') def transfer(amount: float, to: str): assert amount > 0, 'Cannot send negative balances!' sender = ctx.caller assert __balances[sender] >= amount, 'Not enough coins to send!' __balances[sender] -= amount __balances[to] += amount @__export('con_october_stake') def balance_of(account: str): return __balances[account] @__export('con_october_stake') def allowance(owner: str, spender: str): return __balances[owner, spender] @__export('con_october_stake') def approve(amount: float, to: str): assert amount > 0, 'Cannot send negative balances!' sender = ctx.caller assert __balances[sender ] >= amount, 'Cannot approve balance that exceeds total balance!' __balances[sender, to] += amount return __balances[sender, to] @__export('con_october_stake') def transfer_from(amount: float, to: str, main_account: str): assert amount > 0, 'Cannot send negative balances!' sender = ctx.caller assert __balances[main_account] >= amount, 'Not enough coins to send!' assert __balances[main_account, sender ] >= amount, 'Not enough coins approved to send! You have {} and are trying to spend {}'.format( __balances[main_account, sender], amount) __balances[main_account, sender] -= amount __balances[main_account] -= amount __balances[to] += amount @__export('con_october_stake') def get_price(): return __rate['start_price'] * __rate['rate'] ** (get_timestamp() - __rate['start_time']) @__export('con_october_stake') def change_metadata(key: str, value: Any): assert ctx.caller == __metadata['operator' ], 'Only operator can set metadata!' __metadata[key] = value @__export('con_october_stake') def change_owner(new_owner: str): __assert_owner() __operator.set(new_owner) def __assert_owner(): assert ctx.caller == __operator.get(), 'Only operator can call!' def __fix_decimal(old_decimal: float): __temporary_var.set(old_decimal) new_decimal = __temporary_var.get() return new_decimal |
| Contract | con_october_stake |
| Variable | __compiled__ |
| New Value | 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|
| Contract | con_october_stake |
| Variable | __owner__ |
| New Value | null |
| Contract | con_october_stake |
| Variable | __submitted__ |
| New Value | 2022,10,23,22,28,20,0 |
| Contract | con_october_stake |
| Variable | __developer__ |
| New Value | f0fc0db25cc1381a98052a2826cb905b78fb6ab4d7ef76f64054509bee070b07 |
| Contract | currency |
| Variable | balances |
| Key | f0fc0db25cc1381a98052a2826cb905b78fb6ab4d7ef76f64054509bee070b07 |
| New Value | 38.85207100591715956 |