Transaction #1269216
| Hash | 82b99cc6c2d0c4e1b79259960a52ca913e9717cbcaa74175fa44566d7158398d |
| Status | Success |
| Timestamp | 467 days ago - 1/17/2023, 8:13:26 PM UTC+0 |
| Block | 1219549 |
| Stamps Used | 364 |
| Burned Fee | 0.02153846 TAU |
| From | ff61544ea94eaaeb5df08ed863c4a938e9129aba6ceee5f31b6681bdede11b89 |
| Contract Name | submission |
| Function Name | submit_contract |
Additional Info
| SubBlock Number | 0 |
| Nonce | 2746 |
| Processor | 5b09493df6c18d17cc883ebce54fcb1f5afbd507533417fe32c006009a9c3c4a |
| Signature | 33a8153039029c132e99df843b083f554d873d3a5e86228c329d0a11049560ece7cbcabae5279e58e845524de82aa6c8be9aebb5296ffa5ec18b22a55a9b2305 |
| Stamps Supplied | 845 |
| Stamps per TAU | 169 |
Kwargs
| code | # Unique NFTs with examples for other devs I = importlib random.seed() import currency collection_name = Variable() collection_owner = Variable() collection_nfts = Hash(default_value=0) collection_balances = Hash(default_value=0) collection_balances_approvals = Hash(default_value=0) last_mint_id = Variable() NFT_DESCRIPTION = "A MERGEN NFT which is either a result of combining, slashing or minting using the contract" NFT_DEFAULT_IMG = "https://nftstorage.link/ipfs/bafybeid2msdduqifbcvhrteumzmwtwtsll534rl35o2auiroe45z4vzvke/file" @construct def seed(): collection_name.set("MERGEN") collection_owner.set(ctx.caller) last_mint_id.set(0) @export def transfer(name: str, amount:int, to: str): assert amount > 0, "You cannot transfer negative amounts" assert name != "", "Please specify the name of the NFT you want to transfer" assert collection_balances[ctx.caller, name] >= amount, "You dont have enough NFTs to send" collection_balances[ctx.caller, name] -= amount collection_balances[to, name] += amount # Adds amount to receiver @export def approve(amount: int, name: str, to: str): assert amount > 0, "Cannot approve negative amounts" collection_balances_approvals[ctx.caller, to, name] += amount @export def transfer_from(name:str, amount:int, to: str, main_account: str): assert amount > 0, "Cannot send negative balances!" assert collection_balances_approvals[main_account, to, name] >= amount, "Not enough NFTs approved to send! You have {} and are trying to spend {}".format(collection_balances_approvals[main_account, to, name], amount) assert collection_balances[main_account, name] >= amount, "Not enough NFTs to send!" collection_balances_approvals[main_account, to, name] -= amount collection_balances[main_account, name] -= amount collection_balances[to, name] += amount @export def mint_nft(): # Minting 1 NFTs creates a starter with a random value from 0, 100 for 5 TAU base price. currency.transfer_from(amount=5, to=collection_owner.get(), main_account=ctx.caller) new_id = last_mint_id.get() + 1 name = f"MERGEN #{new_id}" last_mint_id.set(new_id) metadata = { "value": random.randint(1, 100) } collection_nfts[name] = {"description": NFT_DESCRIPTION, "ipfs_image_url": NFT_DEFAULT_IMG, "metadata": metadata, "amount": 1} collection_balances[ctx.caller, name] = 1 @export def combine_nft(nft_name_1: str, nft_name_2:str): # Combing 2 NFTs creates 1 NFT with it's values combined assert collection_balances[ctx.caller, nft_name_1] >= 1, "Not enough NFTs to send!" assert collection_balances[ctx.caller, nft_name_2] >= 1, "Not enough NFTs to send!" collection_balances[ctx.caller, nft_name_1] -= 1 collection_balances[ctx.caller, nft_name_2] -= 1 transfer_from(name=nft_name_1, amount=1, to="BURN", main_account=ctx.caller) transfer_from(name=nft_name_2, amount=1, to="BURN", main_account=ctx.caller) first_nft_metadata = collection_nfts[nft_name_1]["metadata"] second_nft_metadata = collection_nfts[nft_name_2]["metadata"] for key in second_nft_metadata: second_nft_metadata[key] = second_nft_metadata[key] + first_nft_metadata[key] result_nft_metadata = {**a, **b} new_id = last_mint_id.get() + 1 name = f"MERGEN #{new_id}" last_mint_id.set(new_id) collection_nfts[name] = {"description": NFT_DESCRIPTION, "ipfs_image_url": NFT_DEFAULT_IMG, "metadata": result_nft_metadata, "amount": 1} collection_balances[ctx.caller, name] = 1 @export def slash_nft(nft_name: str): # Slashing 1 NFT creates 2 NFTs with each having half it's value assert collection_balances[ctx.caller, nft_name] >= 1, "Not enough NFTs to send!" collection_balances[ctx.caller, nft_name] -= 1 nft_metadata = collection_nfts[nft_name]["metadata"] new_nft_metadata = {} for key in new_nft_metadata: new_nft_metadata[key] = nft_metadata[key] / 2 new_id = last_mint_id.get() + 1 name = f"MERGEN #{new_id}" last_mint_id.set(new_id) collection_nfts[name] = {"description": NFT_DESCRIPTION, "ipfs_image_url": NFT_DEFAULT_IMG, "metadata": new_nft_metadata, "amount": 1} collection_balances[ctx.caller, name] = 1 new_id = last_mint_id.get() + 1 name = f"MERGEN #{new_id}" last_mint_id.set(new_id) collection_nfts[name] = {"description": NFT_DESCRIPTION, "ipfs_image_url": NFT_DEFAULT_IMG, "metadata": new_nft_metadata, "amount": 1} collection_balances[ctx.caller, name] = 1 |
| name | con_mergen_nfts_v2 |
State Changes
| Contract | con_mergen_nfts_v2 |
| Variable | collection_name |
| New Value | MERGEN |
| Contract | con_mergen_nfts_v2 |
| Variable | collection_owner |
| New Value | ff61544ea94eaaeb5df08ed863c4a938e9129aba6ceee5f31b6681bdede11b89 |
| Contract | con_mergen_nfts_v2 |
| Variable | last_mint_id |
| New Value | 0 |
| Contract | con_mergen_nfts_v2 |
| Variable | __code__ |
| New Value | I = importlib random.seed() import currency __collection_name = Variable(contract='con_mergen_nfts_v2', name= 'collection_name') __collection_owner = Variable(contract='con_mergen_nfts_v2', name= 'collection_owner') __collection_nfts = Hash(default_value=0, contract='con_mergen_nfts_v2', name='collection_nfts') __collection_balances = Hash(default_value=0, contract='con_mergen_nfts_v2', name='collection_balances') __collection_balances_approvals = Hash(default_value=0, contract= 'con_mergen_nfts_v2', name='collection_balances_approvals') __last_mint_id = Variable(contract='con_mergen_nfts_v2', name='last_mint_id') NFT_DESCRIPTION = ( 'A MERGEN NFT which is either a result of combining, slashing or minting using the contract' ) NFT_DEFAULT_IMG = ( 'https://nftstorage.link/ipfs/bafybeid2msdduqifbcvhrteumzmwtwtsll534rl35o2auiroe45z4vzvke/file' ) def ____(): __collection_name.set('MERGEN') __collection_owner.set(ctx.caller) __last_mint_id.set(0) @__export('con_mergen_nfts_v2') def transfer(name: str, amount: int, to: str): assert amount > 0, 'You cannot transfer negative amounts' assert name != '', 'Please specify the name of the NFT you want to transfer' assert __collection_balances[ctx.caller, name ] >= amount, 'You dont have enough NFTs to send' __collection_balances[ctx.caller, name] -= amount __collection_balances[to, name] += amount @__export('con_mergen_nfts_v2') def approve(amount: int, name: str, to: str): assert amount > 0, 'Cannot approve negative amounts' __collection_balances_approvals[ctx.caller, to, name] += amount @__export('con_mergen_nfts_v2') def transfer_from(name: str, amount: int, to: str, main_account: str): assert amount > 0, 'Cannot send negative balances!' assert __collection_balances_approvals[main_account, to, name ] >= amount, 'Not enough NFTs approved to send! You have {} and are trying to spend {}'.format( __collection_balances_approvals[main_account, to, name], amount) assert __collection_balances[main_account, name ] >= amount, 'Not enough NFTs to send!' __collection_balances_approvals[main_account, to, name] -= amount __collection_balances[main_account, name] -= amount __collection_balances[to, name] += amount @__export('con_mergen_nfts_v2') def mint_nft(): currency.transfer_from(amount=5, to=__collection_owner.get(), main_account=ctx.caller) new_id = __last_mint_id.get() + 1 name = f'MERGEN #{new_id}' __last_mint_id.set(new_id) metadata = {'value': random.randint(1, 100)} __collection_nfts[name] = {'description': NFT_DESCRIPTION, 'ipfs_image_url': NFT_DEFAULT_IMG, 'metadata': metadata, 'amount': 1} __collection_balances[ctx.caller, name] = 1 @__export('con_mergen_nfts_v2') def combine_nft(nft_name_1: str, nft_name_2: str): assert __collection_balances[ctx.caller, nft_name_1 ] >= 1, 'Not enough NFTs to send!' assert __collection_balances[ctx.caller, nft_name_2 ] >= 1, 'Not enough NFTs to send!' __collection_balances[ctx.caller, nft_name_1] -= 1 __collection_balances[ctx.caller, nft_name_2] -= 1 transfer_from(name=nft_name_1, amount=1, to='BURN', main_account=ctx.caller ) transfer_from(name=nft_name_2, amount=1, to='BURN', main_account=ctx.caller ) first_nft_metadata = __collection_nfts[nft_name_1]['metadata'] second_nft_metadata = __collection_nfts[nft_name_2]['metadata'] for key in second_nft_metadata: second_nft_metadata[key] = second_nft_metadata[key ] + first_nft_metadata[key] result_nft_metadata = {**a, **b} new_id = __last_mint_id.get() + 1 name = f'MERGEN #{new_id}' __last_mint_id.set(new_id) __collection_nfts[name] = {'description': NFT_DESCRIPTION, 'ipfs_image_url': NFT_DEFAULT_IMG, 'metadata': result_nft_metadata, 'amount': 1} __collection_balances[ctx.caller, name] = 1 @__export('con_mergen_nfts_v2') def slash_nft(nft_name: str): assert __collection_balances[ctx.caller, nft_name ] >= 1, 'Not enough NFTs to send!' __collection_balances[ctx.caller, nft_name] -= 1 nft_metadata = __collection_nfts[nft_name]['metadata'] new_nft_metadata = {} for key in new_nft_metadata: new_nft_metadata[key] = nft_metadata[key] / 2 new_id = __last_mint_id.get() + 1 name = f'MERGEN #{new_id}' __last_mint_id.set(new_id) __collection_nfts[name] = {'description': NFT_DESCRIPTION, 'ipfs_image_url': NFT_DEFAULT_IMG, 'metadata': new_nft_metadata, 'amount': 1} __collection_balances[ctx.caller, name] = 1 new_id = __last_mint_id.get() + 1 name = f'MERGEN #{new_id}' __last_mint_id.set(new_id) __collection_nfts[name] = {'description': NFT_DESCRIPTION, 'ipfs_image_url': NFT_DEFAULT_IMG, 'metadata': new_nft_metadata, 'amount': 1} __collection_balances[ctx.caller, name] = 1 |
| Contract | con_mergen_nfts_v2 |
| Variable | __compiled__ |
| New Value | 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|
| Contract | con_mergen_nfts_v2 |
| Variable | __owner__ |
| New Value | null |
| Contract | con_mergen_nfts_v2 |
| Variable | __submitted__ |
| New Value | 2023,1,17,20,13,28,0 |
| Contract | con_mergen_nfts_v2 |
| Variable | __developer__ |
| New Value | ff61544ea94eaaeb5df08ed863c4a938e9129aba6ceee5f31b6681bdede11b89 |
| Contract | currency |
| Variable | balances |
| Key | ff61544ea94eaaeb5df08ed863c4a938e9129aba6ceee5f31b6681bdede11b89 |
| New Value | 52.411322986851998213199409379739 |