@version 1 condition triggered_by: transaction, on: add_liquidity(token1_min_amount, token2_min_amount), as: [ token_transfers: ( user_amounts = get_user_transfers_amount(transaction) valid_transfers? = user_amounts.token1 > 0 && user_amounts.token2 > 0 valid_min? = user_amounts.token1 >= token1_min_amount && user_amounts.token2 >= token2_min_amount valid_transfers? && valid_min? ) ] actions triggered_by: transaction, on: add_liquidity(token1_min_amount, token2_min_amount) do pool_balances = get_pool_balances() user_amounts = get_user_transfers_amount(transaction) lp_token_supply = State.get("lp_token_supply", 0) reserves = State.get("reserves", [token1: 0, token2: 0]) final_amounts = get_final_amounts(user_amounts, reserves, token1_min_amount, token2_min_amount) token1_to_refund = user_amounts.token1 - final_amounts.token1 token2_to_refund = user_amounts.token2 - final_amounts.token2 token1_amount = user_amounts.token1 + pool_balances.token1 - reserves.token1 - token1_to_refund token2_amount = user_amounts.token2 + pool_balances.token2 - reserves.token2 - token2_to_refund lp_token_to_mint = get_lp_token_to_mint(token1_amount, token2_amount) # Handle invalid values and refund user valid_amounts? = final_amounts.token1 > 0 && final_amounts.token2 > 0 valid_liquidity? = lp_token_to_mint > 0 if valid_amounts? && valid_liquidity? do lp_token_to_mint_bigint = Math.trunc(lp_token_to_mint * 100_000_000) # Remove minimum liquidity if this is the first liquidity if the pool # First liquidity minted and burned on pool creation if lp_token_supply == 0 do lp_token_to_mint_bigint = lp_token_to_mint_bigint - 10 end token_specification = [ aeip: [8, 18, 19], supply: lp_token_to_mint_bigint, token_reference: 0x0000D1B4A0597A033F7DD0C8CA274745F850A990725B7B73B5E8CEBC7C4F9EA82954, recipients: [ [to: transaction.address, amount: lp_token_to_mint_bigint] ] ] new_token1_reserve = user_amounts.token1 + pool_balances.token1 - token1_to_refund new_token2_reserve = user_amounts.token2 + pool_balances.token2 - token2_to_refund State.set("lp_token_supply", lp_token_supply + lp_token_to_mint) State.set("reserves", [token1: new_token1_reserve, token2: new_token2_reserve]) if token1_to_refund > 0 do Contract.add_token_transfer(to: transaction.address, amount: token1_to_refund, token_address: "0000457EACA7FBAA96DB4A8D506A0B69684F546166FBF3C55391B1461907EFA58EAF") end if token2_to_refund > 0 do if "UCO" == "UCO" do Contract.add_uco_transfer(to: transaction.address, amount: token2_to_refund) else Contract.add_token_transfer(to: transaction.address, amount: token2_to_refund, token_address: "UCO") end end Contract.set_type("token") Contract.set_content(Json.to_string(token_specification)) else # Liquidity provision is invalid, refund user of it's tokens Contract.set_type("transfer") if "UCO" == "UCO" do Contract.add_uco_transfer(to: transaction.address, amount: user_amounts.token2) else Contract.add_token_transfer(to: transaction.address, amount: user_amounts.token2, token_address: "UCO") end Contract.add_token_transfer(to: transaction.address, amount: user_amounts.token1, token_address: "0000457EACA7FBAA96DB4A8D506A0B69684F546166FBF3C55391B1461907EFA58EAF") end end condition triggered_by: transaction, on: remove_liquidity(), as: [ token_transfers: ( user_amount = get_user_lp_amount(transaction.token_transfers) user_amount > 0 ) ] actions triggered_by: transaction, on: remove_liquidity() do return? = true user_amount = get_user_lp_amount(transaction.token_transfers) lp_token_supply = State.get("lp_token_supply", 0) if lp_token_supply > 0 do pool_balances = get_pool_balances() token1_to_remove = (user_amount * pool_balances.token1) / lp_token_supply token2_to_remove = (user_amount * pool_balances.token2) / lp_token_supply if token1_to_remove > 0 && token2_to_remove > 0 do return? = false new_token1_reserve = pool_balances.token1 - token1_to_remove new_token2_reserve = pool_balances.token2 - token2_to_remove State.set("lp_token_supply", lp_token_supply - user_amount) State.set("reserves", [token1: new_token1_reserve, token2: new_token2_reserve]) Contract.set_type("transfer") Contract.add_token_transfer(to: transaction.address, amount: token1_to_remove, token_address: "0000457EACA7FBAA96DB4A8D506A0B69684F546166FBF3C55391B1461907EFA58EAF") if "UCO" == "UCO" do Contract.add_uco_transfer(to: transaction.address, amount: token2_to_remove) else Contract.add_token_transfer(to: transaction.address, amount: token2_to_remove, token_address: "UCO") end end end if return? do # Refund is invalid, return LP tokens to user Contract.set_type("transfer") Contract.add_token_transfer(to: transaction.address, amount: user_amount, token_address: 0x0000D1B4A0597A033F7DD0C8CA274745F850A990725B7B73B5E8CEBC7C4F9EA82954) end end condition triggered_by: transaction, on: swap(_min_to_receive), as: [ token_transfers: ( transfer = get_user_transfer(transaction) transfer != nil ) ] actions triggered_by: transaction, on: swap(min_to_receive) do transfer = get_user_transfer(transaction) swap = get_output_swap_infos(transfer.token_address, transfer.amount) if swap.output_amount > 0 && swap.output_amount >= min_to_receive do pool_balances = get_pool_balances() token_to_send = nil token1_volume = 0 token2_volume = 0 token1_fee = 0 token2_fee = 0 token1_protocol_fee = 0 token2_protocol_fee = 0 if transfer.token_address == "0000457EACA7FBAA96DB4A8D506A0B69684F546166FBF3C55391B1461907EFA58EAF" do pool_balances = [ token1: pool_balances.token1 + transfer.amount - swap.protocol_fee, token2: pool_balances.token2 - swap.output_amount ] token_to_send = "UCO" token1_volume = transfer.amount token1_fee = swap.fee token1_protocol_fee = swap.protocol_fee else pool_balances = [ token1: pool_balances.token1 - swap.output_amount, token2: pool_balances.token2 + transfer.amount - swap.protocol_fee ] token_to_send = "0000457EACA7FBAA96DB4A8D506A0B69684F546166FBF3C55391B1461907EFA58EAF" token2_volume = transfer.amount token2_fee = swap.fee token2_protocol_fee = swap.protocol_fee end State.set("reserves", [token1: pool_balances.token1, token2: pool_balances.token2]) stats = State.get("stats", [ token1_total_fee: 0, token2_total_fee: 0, token1_total_volume: 0, token2_total_volume: 0, token1_total_protocol_fee: 0, token2_total_protocol_fee: 0, ]) token1_total_fee = Map.get(stats, "token1_total_fee") + token1_fee token2_total_fee = Map.get(stats, "token2_total_fee") + token2_fee token1_total_volume = Map.get(stats, "token1_total_volume") + token1_volume token2_total_volume = Map.get(stats, "token2_total_volume") + token2_volume token1_total_protocol_fee = Map.get(stats, "token1_total_protocol_fee") + token1_protocol_fee token2_total_protocol_fee = Map.get(stats, "token2_total_protocol_fee") + token2_protocol_fee stats = Map.set(stats, "token1_total_fee", token1_total_fee) stats = Map.set(stats, "token2_total_fee", token2_total_fee) stats = Map.set(stats, "token1_total_volume", token1_total_volume) stats = Map.set(stats, "token2_total_volume", token2_total_volume) stats = Map.set(stats, "token1_total_protocol_fee", token1_total_protocol_fee) stats = Map.set(stats, "token2_total_protocol_fee", token2_total_protocol_fee) State.set("stats", stats) Contract.set_type("transfer") if token_to_send == "UCO" do Contract.add_uco_transfer(to: transaction.address, amount: swap.output_amount) else Contract.add_token_transfer(to: transaction.address, amount: swap.output_amount, token_address: token_to_send) end if swap.protocol_fee > 0 do if transfer.token_address == "UCO" do Contract.add_uco_transfer(to: 0x0000CC1FADBD31B043947C016E09CCD59BC3C81E55AB8A4932A046236D5E0FEE9E45, amount: swap.protocol_fee) else Contract.add_token_transfer(to: 0x0000CC1FADBD31B043947C016E09CCD59BC3C81E55AB8A4932A046236D5E0FEE9E45, amount: swap.protocol_fee, token_address: transfer.token_address) end end else # Swap is invalid, return tokens to user Contract.set_type("transfer") if transfer.token_address == "0000457EACA7FBAA96DB4A8D506A0B69684F546166FBF3C55391B1461907EFA58EAF" do Contract.add_token_transfer(to: transaction.address, amount: transfer.amount, token_address: "0000457EACA7FBAA96DB4A8D506A0B69684F546166FBF3C55391B1461907EFA58EAF") else if transfer.token_address == "UCO" do Contract.add_uco_transfer(to: transaction.address, amount: transfer.amount) else Contract.add_token_transfer(to: transaction.address, amount: transfer.amount, token_address: "UCO") end end end end condition triggered_by: transaction, on: update_code(), as: [ previous_public_key: ( # Pool code can only be updated from the router contract of the dex # Transaction is not yet validated so we need to use previous address # to get the genesis address previous_address = Chain.get_previous_address() Chain.get_genesis_address(previous_address) == 0x000077CEC9D9DBC0183CAF843CBB4828A932BB1457E382AC83B31AD6F9755DD50FFC ) ] actions triggered_by: transaction, on: update_code() do params = [ "0000457EACA7FBAA96DB4A8D506A0B69684F546166FBF3C55391B1461907EFA58EAF", "UCO", 0x000090C5AFCC97C2357E964E3DDF5BE9948477F7C1DE2C633CDFC95B202970AEA036, 0x0000D1B4A0597A033F7DD0C8CA274745F850A990725B7B73B5E8CEBC7C4F9EA82954 ] new_code = Contract.call_function(0x00004CE47B2828E923EB679FEF311DD458AA0571C67DB5CB46B4E0793CAC525AC791, "get_pool_code", params) if Code.is_valid?(new_code) && !Code.is_same?(new_code, contract.code) do Contract.set_type("contract") Contract.set_code(new_code) end end condition triggered_by: transaction, on: set_protocol_fee(new_protocol_fee), as: [ content: new_protocol_fee <= 1 && new_protocol_fee >= 0, previous_public_key: ( previous_address = Chain.get_previous_address() Chain.get_genesis_address(previous_address) == 0x0000BE4D33FC48CD4791A58EF7296F6916F5A2032A4E66111CF10521D08FC660A4D3 ) ] actions triggered_by: transaction, on: set_protocol_fee(new_protocol_fee) do State.set("protocol_fee", new_protocol_fee) end condition triggered_by: transaction, on: set_lp_fee(new_lp_fee), as: [ content: new_lp_fee <= 1 && new_lp_fee >= 0, previous_public_key: ( previous_address = Chain.get_previous_address() Chain.get_genesis_address(previous_address) == 0x0000BE4D33FC48CD4791A58EF7296F6916F5A2032A4E66111CF10521D08FC660A4D3 ) ] actions triggered_by: transaction, on: set_lp_fee(new_lp_fee) do State.set("lp_fee", new_lp_fee) end export fun get_ratio(token_address) do reserves = State.get("reserves", [token1: 0, token2: 0]) ratio = 0 token_address = String.to_uppercase(token_address) if reserves.token1 > 0 && reserves.token2 > 0 do if token_address == "0000457EACA7FBAA96DB4A8D506A0B69684F546166FBF3C55391B1461907EFA58EAF" do ratio = reserves.token2 / reserves.token1 else ratio = reserves.token1 / reserves.token2 end end ratio end export fun get_equivalent_amount(token_address, amount) do reserves = State.get("reserves", [token1: 0, token2: 0]) ratio = 0 token_address = String.to_uppercase(token_address) if reserves.token1 > 0 && reserves.token2 > 0 do if token_address == "0000457EACA7FBAA96DB4A8D506A0B69684F546166FBF3C55391B1461907EFA58EAF" do ratio = reserves.token2 / reserves.token1 else ratio = reserves.token1 / reserves.token2 end end amount * ratio end export fun get_lp_token_to_mint(token1_amount, token2_amount) do lp_token_supply = State.get("lp_token_supply", 0) reserves = State.get("reserves", [token1: 0, token2: 0]) if lp_token_supply == 0 || reserves.token1 == 0 || reserves.token2 == 0 do # First liquidity Math.sqrt(token1_amount * token2_amount) else mint_amount1 = (token1_amount * lp_token_supply) / reserves.token1 mint_amount2 = (token2_amount * lp_token_supply) / reserves.token2 if mint_amount1 < mint_amount2 do mint_amount1 else mint_amount2 end end end export fun get_output_swap_infos(token_address, input_amount) do output_amount = 0 fee = 0 protocol_fee = 0 price_impact = 0 reserves = State.get("reserves", [token1: 0, token2: 0]) token_address = String.to_uppercase(token_address) if reserves.token1 > 0 && reserves.token2 > 0 do fee = input_amount * State.get("lp_fee", 0.3) / 100 protocol_fee = input_amount * State.get("protocol_fee", 0) / 100 amount_with_fee = input_amount - fee - protocol_fee market_price = 0 if token_address == "0000457EACA7FBAA96DB4A8D506A0B69684F546166FBF3C55391B1461907EFA58EAF" do market_price = reserves.token2 / reserves.token1 amount = (amount_with_fee * reserves.token2) / (amount_with_fee + reserves.token1) if amount < reserves.token2 do output_amount = amount end else market_price = reserves.token1 / reserves.token2 amount = (amount_with_fee * reserves.token1) / (amount_with_fee + reserves.token2) if amount < reserves.token1 do output_amount = amount end end # This check is necessary as there might be some approximation in small decimal calculation output_price = output_amount / input_amount if output_amount > 0 && market_price > output_price do price_impact = 100 - (output_price * 100 / market_price) end end [ output_amount: output_amount, fee: fee, protocol_fee: protocol_fee, price_impact: price_impact ] end export fun get_input_swap_infos(token_address, output_amount) do input_amount = 0 lp_fee = State.get("lp_fee", 0.3) / 100 protocol_fee = State.get("protocol_fee", 0) / 100 price_impact = 0 reserves = State.get("reserves", [token1: 0, token2: 0]) token_address = String.to_uppercase(token_address) if reserves.token1 > 0 && reserves.token2 > 0 do market_price = 0 if token_address == "0000457EACA7FBAA96DB4A8D506A0B69684F546166FBF3C55391B1461907EFA58EAF" && output_amount < reserves.token1 do market_price = reserves.token1 / reserves.token2 input_amount = (output_amount * reserves.token2) / ((reserves.token1 - output_amount) * (1 - lp_fee - protocol_fee)) else if output_amount < reserves.token2 do market_price = reserves.token2 / reserves.token1 input_amount = (output_amount * reserves.token1) / ((reserves.token2 - output_amount) * (1 - lp_fee - protocol_fee)) end end if input_amount > 0 do # This check is necessary as there might be some approximation in small decimal calculation output_price = output_amount / input_amount if market_price > output_price do price_impact = 100 - (output_price * 100 / market_price) end end end [ input_amount: input_amount, fee: input_amount * lp_fee, protocol_fee: input_amount * protocol_fee, price_impact: price_impact ] end export fun get_remove_amounts(lp_token_amount) do reserves = State.get("reserves", [token1: 0, token2: 0]) lp_token_supply = State.get("lp_token_supply", 0) token1_to_remove = 0 token2_to_remove = 0 if lp_token_supply > 0 && lp_token_amount < lp_token_supply do token1_to_remove = (lp_token_amount * reserves.token1) / lp_token_supply token2_to_remove = (lp_token_amount * reserves.token2) / lp_token_supply end [token1: token1_to_remove, token2: token2_to_remove] end export fun get_pool_infos() do reserves = State.get("reserves", [token1: 0, token2: 0]) stats = State.get("stats", [ token1_total_fee: 0, token2_total_fee: 0, token1_total_volume: 0, token2_total_volume: 0, token1_total_protocol_fee: 0, token2_total_protocol_fee: 0, ]) [ token1: [ address: "0000457EACA7FBAA96DB4A8D506A0B69684F546166FBF3C55391B1461907EFA58EAF", reserve: reserves.token1 ], token2: [ address: "UCO", reserve: reserves.token2 ], lp_token: [ address: 0x0000D1B4A0597A033F7DD0C8CA274745F850A990725B7B73B5E8CEBC7C4F9EA82954, supply: State.get("lp_token_supply", 0) ], fee: State.get("lp_fee", 0.3), protocol_fee: State.get("protocol_fee", 0), stats: stats ] end fun get_final_amounts(user_amounts, reserves, token1_min_amount, token2_min_amount) do final_token1_amount = 0 final_token2_amount = 0 if reserves.token1 > 0 && reserves.token2 > 0 do token2_ratio = reserves.token2 / reserves.token1 token2_equivalent_amount = user_amounts.token1 * token2_ratio if token2_equivalent_amount <= user_amounts.token2 && token2_equivalent_amount >= token2_min_amount do final_token1_amount = user_amounts.token1 final_token2_amount = token2_equivalent_amount else token1_ratio = reserves.token1 / reserves.token2 token1_equivalent_amount = user_amounts.token2 * token1_ratio if token1_equivalent_amount <= user_amounts.token1 && token1_equivalent_amount >= token1_min_amount do final_token1_amount = token1_equivalent_amount final_token2_amount = user_amounts.token2 end end else # No reserve final_token1_amount = user_amounts.token1 final_token2_amount = user_amounts.token2 end [token1: final_token1_amount, token2: final_token2_amount] end fun get_user_transfers_amount(tx) do contract_address = 0x000090C5AFCC97C2357E964E3DDF5BE9948477F7C1DE2C633CDFC95B202970AEA036 token1_amount = 0 token2_amount = 0 transfers = Map.get(tx.token_transfers, contract_address, []) uco_amount = Map.get(tx.uco_transfers, contract_address) if uco_amount != nil do transfers = List.prepend(transfers, [token_address: "UCO", amount: uco_amount]) end if List.size(transfers) == 2 do for transfer in transfers do if transfer.token_address == "0000457EACA7FBAA96DB4A8D506A0B69684F546166FBF3C55391B1461907EFA58EAF" do token1_amount = transfer.amount end if transfer.token_address == "UCO" do token2_amount = transfer.amount end end end [token1: token1_amount, token2: token2_amount] end fun get_user_transfer(tx) do contract_address = 0x000090C5AFCC97C2357E964E3DDF5BE9948477F7C1DE2C633CDFC95B202970AEA036 token_transfer = nil transfers = Map.get(tx.token_transfers, contract_address, []) uco_amount = Map.get(tx.uco_transfers, contract_address) if uco_amount != nil do transfers = List.prepend(transfers, [token_address: "UCO", amount: uco_amount]) end transfer = List.at(transfers, 0) tokens = [ "0000457EACA7FBAA96DB4A8D506A0B69684F546166FBF3C55391B1461907EFA58EAF", "UCO" ] if List.size(transfers) == 1 && List.in?(tokens, transfer.token_address) do token_transfer = transfer end token_transfer end fun get_user_lp_amount(token_transfers) do lp_token = 0x0000D1B4A0597A033F7DD0C8CA274745F850A990725B7B73B5E8CEBC7C4F9EA82954 lp_amount = 0 transfers = Map.get(token_transfers, Chain.get_burn_address(), []) for transfer in transfers do if transfer.token_address == lp_token do lp_amount = transfer.amount end end lp_amount end fun get_pool_balances() do token2_balance = 0 if "UCO" == "UCO" do token2_balance = contract.balance.uco else token2_id = [token_address: "UCO", token_id: 0] token2_balance = Map.get(contract.balance.tokens, token2_id, 0) end token1_id = [token_address: "0000457EACA7FBAA96DB4A8D506A0B69684F546166FBF3C55391B1461907EFA58EAF", token_id: 0] [ token1: Map.get(contract.balance.tokens, token1_id, 0), token2: token2_balance ] end
Content (0 B)
{ "lp_fee": 0, "lp_token_supply": 39988.40943393, "protocol_fee": 0.3, "reserves": { "token1": 92.09096853, "token2": 17503281.44378413 }, "stats": { "token1_total_fee": 0.22957848, "token1_total_protocol_fee": 0.36469506, "token1_total_volume": 175.64219239, "token2_total_fee": 51672.1377832, "token2_total_protocol_fee": 69777.70594419, "token2_total_volume": 35743269.70499941 } }
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Secret shared with 1 key
Encoded secret
1B50926E4817AF3FD4A1172D9C9AA7D2A0F9A33BF9165BC59B39E4B02FD530B2998C22238994409D04DA3A771A4E139A48D77DD3DB906649C5D38DA8
Authorized keys
- 000122A6CD9ED07E46835D6E88E5BD0BEE84C3F5E5DBF8E916AD9B2EC912C44AFEC2
Contract recipients (0)
Inputs (0)
Contract inputs (0)
Unspent outputs (2)
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From 0000D569...C560At 2024-09-19 03:44:38 UTCAmount 17,503,281.44378413 UCO
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From 0000D569...C560At 2024-09-19 03:44:38 UTCAmount 92.09096853 0000457E...8EAF
Previous public key
000159137DDC146971D337666027C210A9E31EED318F256382C9A67C4BAE9EE83419
Previous signature
968057E9F608FDCC99484C33546C45AE0A083A51662FD148D3E518EF56D12A2D45D4FD656930F754E96254F2151868215D56D6E2AB59400F5B4FFCA92075460E
Origin signature
30450220219CBE4B927489A044DA661B27BA54B37F3F903BC9E15ECB5817226BC32BF1DF022100E189C61800581303D1920D934379382F384C3C7E81D8BA2A147F51F6C11F4382
Proof of work
01020420CFD0ED26BC93EBD08099DCE30E642D49054D5EC97AFD03A922DE7F108DA3AC1A29E6E0C7D6B987FC678680AD6784570F1860895015CFA26B3AFA910F6BC222
Proof of integrity
00E3FDDA2E772A4E8FA9E0717366EB459B67CD41B40EC4F8AB21C12EA7954CE0C3
Coordinator signature
4C9BCB77F919CC2891D768CFD5002568879A6D7D9ECAA5141D8566226CE3F278037831FD25623A45FCC1AABB36B8259D2E3DEB2497193C672F446A4C4A77EA06
Validator #1 public key
0001B8800415E75326411D65020B8E3E306F22CB1D72BC5FF5929B3EB58CDA511327
Validator #1 signature
50639D5DABF5E2ACFE71130D63BBA7F42BD03DF500A1EE7CBDAF65F475031DD8F50DD600658CD0A93079CA317273A318BF3FE9BBB89435CA2B979824EB121305
Validator #2 public key
0001A5F6705AFE5C9103B4BE3307F94B3EC386283B77ABAA1D39C423EA4D6597F989
Validator #2 signature
3F533B694AC2C4ECCB7BF757A10CCC4ACD536D49852D4D7F7B89E725B6ED9A545108843B202AA3721D44BB959770ED986771950F45C377087DC956A06E1E940D