From e19af4cd8083792f4c630d8b197630bb2bc3c5e2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Lars=20Br=C3=BCnjes?= Date: Thu, 22 Jul 2021 09:05:35 +0200 Subject: [PATCH] bumped Plutus version --- code/week05/.devcontainer/devcontainer.json | 23 ++ code/week05/.gitignore | 1 + code/week05/LICENSE | 201 ++++++++++++++++++ code/week05/cabal.project | 193 +++++++++++++++++ code/week05/hie.yaml | 4 + .../plutus-pioneer-program-week05.cabal | 33 +++ code/week05/src/Week05/Free.hs | 88 ++++++++ code/week05/src/Week05/Homework1.hs | 96 +++++++++ code/week05/src/Week05/Homework2.hs | 66 ++++++ code/week05/src/Week05/NFT.hs | 93 ++++++++ code/week05/src/Week05/Signed.hs | 92 ++++++++ code/week05/src/Week05/Solution1.hs | 102 +++++++++ code/week05/src/Week05/Solution2.hs | 94 ++++++++ 13 files changed, 1086 insertions(+) create mode 100644 code/week05/.devcontainer/devcontainer.json create mode 100644 code/week05/.gitignore create mode 100644 code/week05/LICENSE create mode 100644 code/week05/cabal.project create mode 100644 code/week05/hie.yaml create mode 100644 code/week05/plutus-pioneer-program-week05.cabal create mode 100644 code/week05/src/Week05/Free.hs create mode 100644 code/week05/src/Week05/Homework1.hs create mode 100644 code/week05/src/Week05/Homework2.hs create mode 100644 code/week05/src/Week05/NFT.hs create mode 100644 code/week05/src/Week05/Signed.hs create mode 100644 code/week05/src/Week05/Solution1.hs create mode 100644 code/week05/src/Week05/Solution2.hs diff --git a/code/week05/.devcontainer/devcontainer.json b/code/week05/.devcontainer/devcontainer.json new file mode 100644 index 0000000..51f7dce --- /dev/null +++ b/code/week05/.devcontainer/devcontainer.json @@ -0,0 +1,23 @@ +{ + "name": "Plutus Starter Project", + "image": "plutus-devcontainer:latest", + + "remoteUser": "plutus", + + "mounts": [ + // This shares cabal's remote repository state with the host. We don't mount the whole of '.cabal', because + // 1. '.cabal/config' contains absolute paths that will only make sense on the host, and + // 2. '.cabal/store' is not necessarily portable to different version of cabal etc. + "source=${localEnv:HOME}/.cabal/packages,target=/home/plutus/.cabal/packages,type=bind,consistency=cached", + ], + + "settings": { + // Note: don't change from bash so it runs .bashrc + "terminal.integrated.shell.linux": "/bin/bash" + }, + + // IDs of extensions inside container + "extensions": [ + "haskell.haskell" + ], +} diff --git a/code/week05/.gitignore b/code/week05/.gitignore new file mode 100644 index 0000000..c33954f --- /dev/null +++ b/code/week05/.gitignore @@ -0,0 +1 @@ +dist-newstyle/ diff --git a/code/week05/LICENSE b/code/week05/LICENSE new file mode 100644 index 0000000..261eeb9 --- /dev/null +++ b/code/week05/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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Make sure to +-- re-update this section from the template when you do an upgrade. + +-- This is also needed so evenful-sql-common will build with a +-- newer version of persistent. See stack.yaml for the mirrored +-- configuration. +package eventful-sql-common + ghc-options: -XDerivingStrategies -XStandaloneDeriving -XUndecidableInstances -XDataKinds -XFlexibleInstances -XMultiParamTypeClasses + +allow-newer: + -- Pins to an old version of Template Haskell, unclear if/when it will be updated + size-based:template-haskell + + -- The following two dependencies are needed by plutus. + , eventful-sql-common:persistent + , eventful-sql-common:persistent-template + , ouroboros-consensus-byron:formatting + , beam-core:aeson + , beam-sqlite:aeson + , beam-sqlite:dlist + , beam-migrate:aeson + +constraints: + -- big breaking change here, inline-r doens't have an upper bound + singletons < 3.0 + -- breaks eventful even more than it already was + , persistent-template < 2.12 + -- bizarre issue: in earlier versions they define their own 'GEq', in newer + -- ones they reuse the one from 'some', but there isn't e.g. a proper version + -- constraint from dependent-sum-template (which is the library we actually use). + , dependent-sum > 0.6.2.0 + +-- See the note on nix/pkgs/default.nix:agdaPackages for why this is here. +-- (NOTE this will change to ieee754 in newer versions of nixpkgs). +extra-packages: ieee, filemanip + +-- Drops an instance breaking our code. Should be released to Hackage eventually. +source-repository-package + type: git + location: https://github.com/Quid2/flat.git + tag: 95e5d7488451e43062ca84d5376b3adcc465f1cd + +-- Needs some patches, but upstream seems to be fairly dead (no activity in > 1 year) +source-repository-package + type: git + location: https://github.com/shmish111/purescript-bridge.git + tag: 6a92d7853ea514be8b70bab5e72077bf5a510596 + +source-repository-package + type: git + location: https://github.com/shmish111/servant-purescript.git + tag: a76104490499aa72d40c2790d10e9383e0dbde63 + +source-repository-package + type: git + location: https://github.com/input-output-hk/cardano-crypto.git + tag: ce8f1934e4b6252084710975bd9bbc0a4648ece4 + +source-repository-package + type: git + location: https://github.com/input-output-hk/cardano-base + tag: a715c7f420770b70bbe95ca51d3dec83866cb1bd + subdir: + binary + binary/test + slotting + cardano-crypto-class + cardano-crypto-praos + cardano-crypto-tests + strict-containers + +source-repository-package + type: git + location: https://github.com/input-output-hk/cardano-prelude + tag: fd773f7a58412131512b9f694ab95653ac430852 + subdir: + cardano-prelude + cardano-prelude-test + +source-repository-package + type: git + location: https://github.com/input-output-hk/ouroboros-network + tag: e338f2cf8e1078fbda9555dd2b169c6737ef6774 + subdir: + monoidal-synchronisation + typed-protocols + typed-protocols-examples + ouroboros-network + ouroboros-network-testing + ouroboros-network-framework + ouroboros-consensus + ouroboros-consensus-byron + ouroboros-consensus-cardano + ouroboros-consensus-shelley + io-sim + io-classes + network-mux + +source-repository-package + type: git + location: https://github.com/input-output-hk/iohk-monitoring-framework + tag: 34abfb7f4f5610cabb45396e0496472446a0b2ca + subdir: + iohk-monitoring + tracer-transformers + contra-tracer + plugins/backend-aggregation + plugins/backend-ekg + plugins/backend-monitoring + plugins/backend-trace-forwarder + plugins/scribe-systemd + +source-repository-package + type: git + location: https://github.com/input-output-hk/cardano-ledger-specs + tag: 6b0fca7a73c317f3af7c14dd4dc38178cc78a6c8 + subdir: + byron/chain/executable-spec + byron/crypto + byron/crypto/test + byron/ledger/executable-spec + byron/ledger/impl + byron/ledger/impl/test + semantics/executable-spec + semantics/small-steps-test + shelley/chain-and-ledger/dependencies/non-integer + shelley/chain-and-ledger/executable-spec + shelley/chain-and-ledger/shelley-spec-ledger-test + shelley-ma/impl + cardano-ledger-core + alonzo/impl + +-- A lot of plutus dependencies have to be synchronized with the dependencies of +-- cardano-node. If you update cardano-node, please make sure that all dependencies +-- of cardano-node are also updated. +source-repository-package + type: git + location: https://github.com/input-output-hk/cardano-node.git + tag: f3ef4ed72894499160f2330b91572a159005c148 + subdir: + cardano-api + cardano-node + cardano-cli + cardano-config + +source-repository-package + type: git + location: https://github.com/input-output-hk/Win32-network + tag: 94153b676617f8f33abe8d8182c37377d2784bd1 + +source-repository-package + type: git + location: https://github.com/input-output-hk/hedgehog-extras + tag: 8bcd3c9dc22cc44f9fcfe161f4638a384fc7a187 + +-- The following dependencies are not mirrored in the +-- stack.yaml file, but they are needed regardless by cabal. +source-repository-package + type: git + location: https://github.com/input-output-hk/goblins + tag: cde90a2b27f79187ca8310b6549331e59595e7ba diff --git a/code/week05/hie.yaml b/code/week05/hie.yaml new file mode 100644 index 0000000..4faa181 --- /dev/null +++ b/code/week05/hie.yaml @@ -0,0 +1,4 @@ +cradle: + cabal: + - path: "./src" + component: "lib:plutus-pioneer-program-week05" diff --git a/code/week05/plutus-pioneer-program-week05.cabal b/code/week05/plutus-pioneer-program-week05.cabal new file mode 100644 index 0000000..2857bee --- /dev/null +++ b/code/week05/plutus-pioneer-program-week05.cabal @@ -0,0 +1,33 @@ +Cabal-Version: 2.4 +Name: plutus-pioneer-program-week05 +Version: 0.1.0.0 +Author: Lars Bruenjes +Maintainer: brunjlar@gmail.com +Build-Type: Simple +Copyright: © 2021 Lars Bruenjes +License: Apache-2.0 +License-files: LICENSE + +library + hs-source-dirs: src + exposed-modules: Week05.Free + , Week05.Homework1 + , Week05.Homework2 + , Week05.NFT + , Week05.Signed + , Week05.Solution1 + , Week05.Solution2 + build-depends: aeson + , base ^>=4.14.1.0 + , containers + , data-default + , freer-extras + , playground-common + , plutus-contract + , plutus-ledger + , plutus-ledger-api + , plutus-tx-plugin + , plutus-tx + , text + default-language: Haskell2010 + ghc-options: -Wall -fobject-code -fno-ignore-interface-pragmas -fno-omit-interface-pragmas -fno-strictness -fno-spec-constr -fno-specialise diff --git a/code/week05/src/Week05/Free.hs b/code/week05/src/Week05/Free.hs new file mode 100644 index 0000000..d55892e --- /dev/null +++ b/code/week05/src/Week05/Free.hs @@ -0,0 +1,88 @@ +{-# LANGUAGE DataKinds #-} +{-# LANGUAGE DeriveAnyClass #-} +{-# LANGUAGE DeriveGeneric #-} +{-# LANGUAGE FlexibleContexts #-} +{-# LANGUAGE NoImplicitPrelude #-} +{-# LANGUAGE OverloadedStrings #-} +{-# LANGUAGE ScopedTypeVariables #-} +{-# LANGUAGE TemplateHaskell #-} +{-# LANGUAGE TypeApplications #-} +{-# LANGUAGE TypeFamilies #-} +{-# LANGUAGE TypeOperators #-} + +module Week05.Free where + +import Control.Monad hiding (fmap) +import Data.Aeson (ToJSON, FromJSON) +import Data.Text (Text) +import Data.Void (Void) +import GHC.Generics (Generic) +import Plutus.Contract as Contract +import Plutus.Trace.Emulator as Emulator +import qualified PlutusTx +import PlutusTx.Prelude hiding (Semigroup(..), unless) +import Ledger hiding (mint, singleton) +import Ledger.Constraints as Constraints +import qualified Ledger.Typed.Scripts as Scripts +import Ledger.Value as Value +import Playground.Contract (printJson, printSchemas, ensureKnownCurrencies, stage, ToSchema) +import Playground.TH (mkKnownCurrencies, mkSchemaDefinitions) +import Playground.Types (KnownCurrency (..)) +import Prelude (IO, Show (..), String) +import Text.Printf (printf) +import Wallet.Emulator.Wallet + +{-# INLINABLE mkPolicy #-} +mkPolicy :: () -> ScriptContext -> Bool +mkPolicy () _ = True + +policy :: Scripts.MintingPolicy +policy = mkMintingPolicyScript $$(PlutusTx.compile [|| Scripts.wrapMintingPolicy mkPolicy ||]) + +curSymbol :: CurrencySymbol +curSymbol = scriptCurrencySymbol policy + +data MintParams = MintParams + { mpTokenName :: !TokenName + , mpAmount :: !Integer + } deriving (Generic, ToJSON, FromJSON, ToSchema) + +type FreeSchema = Endpoint "mint" MintParams + +mint :: MintParams -> Contract w FreeSchema Text () +mint mp = do + let val = Value.singleton curSymbol (mpTokenName mp) (mpAmount mp) + lookups = Constraints.mintingPolicy policy + tx = Constraints.mustMintValue val + ledgerTx <- submitTxConstraintsWith @Void lookups tx + void $ awaitTxConfirmed $ txId ledgerTx + Contract.logInfo @String $ printf "forged %s" (show val) + +endpoints :: Contract () FreeSchema Text () +endpoints = mint' >> endpoints + where + mint' = endpoint @"mint" >>= mint + +mkSchemaDefinitions ''FreeSchema + +mkKnownCurrencies [] + +test :: IO () +test = runEmulatorTraceIO $ do + let tn = "ABC" + h1 <- activateContractWallet (Wallet 1) endpoints + h2 <- activateContractWallet (Wallet 2) endpoints + callEndpoint @"mint" h1 $ MintParams + { mpTokenName = tn + , mpAmount = 555 + } + callEndpoint @"mint" h2 $ MintParams + { mpTokenName = tn + , mpAmount = 444 + } + void $ Emulator.waitNSlots 1 + callEndpoint @"mint" h1 $ MintParams + { mpTokenName = tn + , mpAmount = -222 + } + void $ Emulator.waitNSlots 1 diff --git a/code/week05/src/Week05/Homework1.hs b/code/week05/src/Week05/Homework1.hs new file mode 100644 index 0000000..bca27e5 --- /dev/null +++ b/code/week05/src/Week05/Homework1.hs @@ -0,0 +1,96 @@ +{-# LANGUAGE DataKinds #-} +{-# LANGUAGE DeriveAnyClass #-} +{-# LANGUAGE DeriveGeneric #-} +{-# LANGUAGE FlexibleContexts #-} +{-# LANGUAGE NoImplicitPrelude #-} +{-# LANGUAGE OverloadedStrings #-} +{-# LANGUAGE ScopedTypeVariables #-} +{-# LANGUAGE TemplateHaskell #-} +{-# LANGUAGE TypeApplications #-} +{-# LANGUAGE TypeFamilies #-} +{-# LANGUAGE TypeOperators #-} + +module Week05.Homework1 where + +import Control.Monad hiding (fmap) +import Control.Monad.Freer.Extras as Extras +import Data.Aeson (ToJSON, FromJSON) +import Data.Text (Text) +import Data.Void (Void) +import GHC.Generics (Generic) +import Plutus.Contract as Contract +import Plutus.Trace.Emulator as Emulator +import qualified PlutusTx +import PlutusTx.Prelude hiding (Semigroup(..), unless) +import Ledger hiding (mint, singleton) +import Ledger.Constraints as Constraints +import qualified Ledger.Typed.Scripts as Scripts +import Ledger.Value as Value +import Playground.Contract (printJson, printSchemas, ensureKnownCurrencies, stage, ToSchema) +import Playground.TH (mkKnownCurrencies, mkSchemaDefinitions) +import Playground.Types (KnownCurrency (..)) +import Prelude (IO, Semigroup (..), Show (..), String, undefined) +import Text.Printf (printf) +import Wallet.Emulator.Wallet + +{-# INLINABLE mkPolicy #-} +-- This policy should only allow minting (or burning) of tokens if the owner of the specified PubKeyHash +-- has signed the transaction and if the specified deadline has not passed. +mkPolicy :: PubKeyHash -> POSIXTime -> () -> ScriptContext -> Bool +mkPolicy pkh deadline () ctx = True -- FIX ME! + +policy :: PubKeyHash -> POSIXTime -> Scripts.MintingPolicy +policy pkh deadline = undefined -- IMPLEMENT ME! + +curSymbol :: PubKeyHash -> POSIXTime -> CurrencySymbol +curSymbol pkh deadline = undefined -- IMPLEMENT ME! + +data MintParams = MintParams + { mpTokenName :: !TokenName + , mpDeadline :: !POSIXTime + , mpAmount :: !Integer + } deriving (Generic, ToJSON, FromJSON, ToSchema) + +type SignedSchema = Endpoint "mint" MintParams + +mint :: MintParams -> Contract w SignedSchema Text () +mint mp = do + pkh <- pubKeyHash <$> Contract.ownPubKey + now <- Contract.currentTime + let deadline = mpDeadline mp + if now > deadline + then Contract.logError @String "deadline passed" + else do + let val = Value.singleton (curSymbol pkh deadline) (mpTokenName mp) (mpAmount mp) + lookups = Constraints.mintingPolicy $ policy pkh deadline + tx = Constraints.mustMintValue val <> Constraints.mustValidateIn (to deadline) + ledgerTx <- submitTxConstraintsWith @Void lookups tx + void $ awaitTxConfirmed $ txId ledgerTx + Contract.logInfo @String $ printf "forged %s" (show val) + +endpoints :: Contract () SignedSchema Text () +endpoints = mint' >> endpoints + where + mint' = endpoint @"mint" >>= mint + +mkSchemaDefinitions ''SignedSchema + +mkKnownCurrencies [] + +test :: IO () +test = runEmulatorTraceIO $ do + let tn = "ABC" + deadline = 10 + h <- activateContractWallet (Wallet 1) endpoints + callEndpoint @"mint" h $ MintParams + { mpTokenName = tn + , mpDeadline = deadline + , mpAmount = 555 + } + void $ Emulator.waitNSlots 15 + callEndpoint @"mint" h $ MintParams + { mpTokenName = tn + , mpDeadline = deadline + , mpAmount = 555 + } + void $ Emulator.waitNSlots 1 diff --git a/code/week05/src/Week05/Homework2.hs b/code/week05/src/Week05/Homework2.hs new file mode 100644 index 0000000..fbbd61b --- /dev/null +++ b/code/week05/src/Week05/Homework2.hs @@ -0,0 +1,66 @@ +{-# LANGUAGE DataKinds #-} +{-# LANGUAGE DeriveAnyClass #-} +{-# LANGUAGE DeriveGeneric #-} +{-# LANGUAGE FlexibleContexts #-} +{-# LANGUAGE NoImplicitPrelude #-} +{-# LANGUAGE OverloadedStrings #-} +{-# LANGUAGE ScopedTypeVariables #-} +{-# LANGUAGE TemplateHaskell #-} +{-# LANGUAGE TypeApplications #-} +{-# LANGUAGE TypeFamilies #-} +{-# LANGUAGE TypeOperators #-} + +module Week05.Homework2 where + +import Control.Monad hiding (fmap) +import qualified Data.Map as Map +import Data.Text (Text) +import Data.Void (Void) +import Plutus.Contract as Contract +import Plutus.Trace.Emulator as Emulator +import qualified PlutusTx +import PlutusTx.Prelude hiding (Semigroup(..), unless) +import Ledger hiding (mint, singleton) +import Ledger.Constraints as Constraints +import qualified Ledger.Typed.Scripts as Scripts +import Ledger.Value as Value +import Playground.Contract (printJson, printSchemas, ensureKnownCurrencies, stage, ToSchema) +import Playground.TH (mkKnownCurrencies, mkSchemaDefinitions) +import Playground.Types (KnownCurrency (..)) +import Prelude (IO, Semigroup (..), Show (..), String, undefined) +import Text.Printf (printf) +import Wallet.Emulator.Wallet + +{-# INLINABLE mkPolicy #-} +-- Minting policy for an NFT, where the minting transaction must consume the given UTxO as input +-- and where the TokenName will be the empty ByteString. +mkPolicy :: TxOutRef -> () -> ScriptContext -> Bool +mkPolicy oref () ctx = True -- FIX ME! + +policy :: TxOutRef -> Scripts.MintingPolicy +policy oref = undefined -- IMPLEMENT ME! + +curSymbol :: TxOutRef -> CurrencySymbol +curSymbol = undefined -- IMPLEMENT ME! + +type NFTSchema = Endpoint "mint" () + +mint :: Contract w NFTSchema Text () +mint = undefined -- IMPLEMENT ME! + +endpoints :: Contract () NFTSchema Text () +endpoints = mint' >> endpoints + where + mint' = endpoint @"mint" >> mint + +mkSchemaDefinitions ''NFTSchema + +mkKnownCurrencies [] + +test :: IO () +test = runEmulatorTraceIO $ do + h1 <- activateContractWallet (Wallet 1) endpoints + h2 <- activateContractWallet (Wallet 2) endpoints + callEndpoint @"mint" h1 () + callEndpoint @"mint" h2 () + void $ Emulator.waitNSlots 1 diff --git a/code/week05/src/Week05/NFT.hs b/code/week05/src/Week05/NFT.hs new file mode 100644 index 0000000..33885fb --- /dev/null +++ b/code/week05/src/Week05/NFT.hs @@ -0,0 +1,93 @@ +{-# LANGUAGE DataKinds #-} +{-# LANGUAGE DeriveAnyClass #-} +{-# LANGUAGE DeriveGeneric #-} +{-# LANGUAGE FlexibleContexts #-} +{-# LANGUAGE NoImplicitPrelude #-} +{-# LANGUAGE OverloadedStrings #-} +{-# LANGUAGE ScopedTypeVariables #-} +{-# LANGUAGE TemplateHaskell #-} +{-# LANGUAGE TypeApplications #-} +{-# LANGUAGE TypeFamilies #-} +{-# LANGUAGE TypeOperators #-} + +module Week05.NFT where + +import Control.Monad hiding (fmap) +import qualified Data.Map as Map +import Data.Text (Text) +import Data.Void (Void) +import Plutus.Contract as Contract +import Plutus.Trace.Emulator as Emulator +import qualified PlutusTx +import PlutusTx.Prelude hiding (Semigroup(..), unless) +import Ledger hiding (mint, singleton) +import Ledger.Constraints as Constraints +import qualified Ledger.Typed.Scripts as Scripts +import Ledger.Value as Value +import Playground.Contract (printJson, printSchemas, ensureKnownCurrencies, stage, ToSchema) +import Playground.TH (mkKnownCurrencies, mkSchemaDefinitions) +import Playground.Types (KnownCurrency (..)) +import Prelude (IO, Semigroup (..), Show (..), String) +import Text.Printf (printf) +import Wallet.Emulator.Wallet + +{-# INLINABLE mkPolicy #-} +mkPolicy :: TxOutRef -> TokenName -> () -> ScriptContext -> Bool +mkPolicy oref tn () ctx = traceIfFalse "UTxO not consumed" hasUTxO && + traceIfFalse "wrong amount minted" checkMintedAmount + where + info :: TxInfo + info = scriptContextTxInfo ctx + + hasUTxO :: Bool + hasUTxO = any (\i -> txInInfoOutRef i == oref) $ txInfoInputs info + + checkMintedAmount :: Bool + checkMintedAmount = case flattenValue (txInfoForge info) of + [(cs, tn', amt)] -> cs == ownCurrencySymbol ctx && tn' == tn && amt == 1 + _ -> False + +policy :: TxOutRef -> TokenName -> Scripts.MintingPolicy +policy oref tn = mkMintingPolicyScript $ + $$(PlutusTx.compile [|| \oref' tn' -> Scripts.wrapMintingPolicy $ mkPolicy oref' tn' ||]) + `PlutusTx.applyCode` + PlutusTx.liftCode oref + `PlutusTx.applyCode` + PlutusTx.liftCode tn + +curSymbol :: TxOutRef -> TokenName -> CurrencySymbol +curSymbol oref tn = scriptCurrencySymbol $ policy oref tn + +type NFTSchema = Endpoint "mint" TokenName + +mint :: TokenName -> Contract w NFTSchema Text () +mint tn = do + pk <- Contract.ownPubKey + utxos <- utxoAt (pubKeyAddress pk) + case Map.keys utxos of + [] -> Contract.logError @String "no utxo found" + oref : _ -> do + let val = Value.singleton (curSymbol oref tn) tn 1 + lookups = Constraints.mintingPolicy (policy oref tn) <> Constraints.unspentOutputs utxos + tx = Constraints.mustMintValue val <> Constraints.mustSpendPubKeyOutput oref + ledgerTx <- submitTxConstraintsWith @Void lookups tx + void $ awaitTxConfirmed $ txId ledgerTx + Contract.logInfo @String $ printf "forged %s" (show val) + +endpoints :: Contract () NFTSchema Text () +endpoints = mint' >> endpoints + where + mint' = endpoint @"mint" >>= mint + +mkSchemaDefinitions ''NFTSchema + +mkKnownCurrencies [] + +test :: IO () +test = runEmulatorTraceIO $ do + let tn = "ABC" + h1 <- activateContractWallet (Wallet 1) endpoints + h2 <- activateContractWallet (Wallet 2) endpoints + callEndpoint @"mint" h1 tn + callEndpoint @"mint" h2 tn + void $ Emulator.waitNSlots 1 diff --git a/code/week05/src/Week05/Signed.hs b/code/week05/src/Week05/Signed.hs new file mode 100644 index 0000000..8f603b5 --- /dev/null +++ b/code/week05/src/Week05/Signed.hs @@ -0,0 +1,92 @@ +{-# LANGUAGE DataKinds #-} +{-# LANGUAGE DeriveAnyClass #-} +{-# LANGUAGE DeriveGeneric #-} +{-# LANGUAGE FlexibleContexts #-} +{-# LANGUAGE NoImplicitPrelude #-} +{-# LANGUAGE OverloadedStrings #-} +{-# LANGUAGE ScopedTypeVariables #-} +{-# LANGUAGE TemplateHaskell #-} +{-# LANGUAGE TypeApplications #-} +{-# LANGUAGE TypeFamilies #-} +{-# LANGUAGE TypeOperators #-} + +module Week05.Signed where + +import Control.Monad hiding (fmap) +import Data.Aeson (ToJSON, FromJSON) +import Data.Text (Text) +import Data.Void (Void) +import GHC.Generics (Generic) +import Plutus.Contract as Contract +import Plutus.Trace.Emulator as Emulator +import qualified PlutusTx +import PlutusTx.Prelude hiding (Semigroup(..), unless) +import Ledger hiding (mint, singleton) +import Ledger.Constraints as Constraints +import qualified Ledger.Typed.Scripts as Scripts +import Ledger.Value as Value +import Playground.Contract (printJson, printSchemas, ensureKnownCurrencies, stage, ToSchema) +import Playground.TH (mkKnownCurrencies, mkSchemaDefinitions) +import Playground.Types (KnownCurrency (..)) +import Prelude (IO, Show (..), String) +import Text.Printf (printf) +import Wallet.Emulator.Wallet + +{-# INLINABLE mkPolicy #-} +mkPolicy :: PubKeyHash -> () -> ScriptContext -> Bool +mkPolicy pkh () ctx = txSignedBy (scriptContextTxInfo ctx) pkh + +policy :: PubKeyHash -> Scripts.MintingPolicy +policy pkh = mkMintingPolicyScript $ + $$(PlutusTx.compile [|| Scripts.wrapMintingPolicy . mkPolicy ||]) + `PlutusTx.applyCode` + PlutusTx.liftCode pkh + +curSymbol :: PubKeyHash -> CurrencySymbol +curSymbol = scriptCurrencySymbol . policy + +data MintParams = MintParams + { mpTokenName :: !TokenName + , mpAmount :: !Integer + } deriving (Generic, ToJSON, FromJSON, ToSchema) + +type SignedSchema = Endpoint "mint" MintParams + +mint :: MintParams -> Contract w SignedSchema Text () +mint mp = do + pkh <- pubKeyHash <$> Contract.ownPubKey + let val = Value.singleton (curSymbol pkh) (mpTokenName mp) (mpAmount mp) + lookups = Constraints.mintingPolicy $ policy pkh + tx = Constraints.mustMintValue val + ledgerTx <- submitTxConstraintsWith @Void lookups tx + void $ awaitTxConfirmed $ txId ledgerTx + Contract.logInfo @String $ printf "forged %s" (show val) + +endpoints :: Contract () SignedSchema Text () +endpoints = mint' >> endpoints + where + mint' = endpoint @"mint" >>= mint + +mkSchemaDefinitions ''SignedSchema + +mkKnownCurrencies [] + +test :: IO () +test = runEmulatorTraceIO $ do + let tn = "ABC" + h1 <- activateContractWallet (Wallet 1) endpoints + h2 <- activateContractWallet (Wallet 2) endpoints + callEndpoint @"mint" h1 $ MintParams + { mpTokenName = tn + , mpAmount = 555 + } + callEndpoint @"mint" h2 $ MintParams + { mpTokenName = tn + , mpAmount = 444 + } + void $ Emulator.waitNSlots 1 + callEndpoint @"mint" h1 $ MintParams + { mpTokenName = tn + , mpAmount = -222 + } + void $ Emulator.waitNSlots 1 diff --git a/code/week05/src/Week05/Solution1.hs b/code/week05/src/Week05/Solution1.hs new file mode 100644 index 0000000..8a42970 --- /dev/null +++ b/code/week05/src/Week05/Solution1.hs @@ -0,0 +1,102 @@ +{-# LANGUAGE DataKinds #-} +{-# LANGUAGE DeriveAnyClass #-} +{-# LANGUAGE DeriveGeneric #-} +{-# LANGUAGE FlexibleContexts #-} +{-# LANGUAGE NoImplicitPrelude #-} +{-# LANGUAGE OverloadedStrings #-} +{-# LANGUAGE ScopedTypeVariables #-} +{-# LANGUAGE TemplateHaskell #-} +{-# LANGUAGE TypeApplications #-} +{-# LANGUAGE TypeFamilies #-} +{-# LANGUAGE TypeOperators #-} + +module Week05.Solution1 where + +import Control.Monad hiding (fmap) +import Data.Aeson (ToJSON, FromJSON) +import Data.Text (Text) +import Data.Void (Void) +import GHC.Generics (Generic) +import Plutus.Contract as Contract +import Plutus.Trace.Emulator as Emulator +import qualified PlutusTx +import PlutusTx.Prelude hiding (Semigroup(..), unless) +import Ledger hiding (mint, singleton) +import Ledger.Constraints as Constraints +import qualified Ledger.Typed.Scripts as Scripts +import Ledger.Value as Value +import Playground.Contract (printJson, printSchemas, ensureKnownCurrencies, stage, ToSchema) +import Playground.TH (mkKnownCurrencies, mkSchemaDefinitions) +import Playground.Types (KnownCurrency (..)) +import Prelude (IO, Semigroup (..), Show (..), String) +import Text.Printf (printf) +import Wallet.Emulator.Wallet + +{-# INLINABLE mkPolicy #-} +mkPolicy :: PubKeyHash -> POSIXTime -> () -> ScriptContext -> Bool +mkPolicy pkh deadline () ctx = + traceIfFalse "signature missing" (txSignedBy info pkh) && + traceIfFalse "deadline missed" (to deadline `contains` txInfoValidRange info) + where + info = scriptContextTxInfo ctx + +policy :: PubKeyHash -> POSIXTime -> Scripts.MintingPolicy +policy pkh deadline = mkMintingPolicyScript $ + $$(PlutusTx.compile [|| \pkh' deadline' -> Scripts.wrapMintingPolicy $ mkPolicy pkh' deadline' ||]) + `PlutusTx.applyCode` + PlutusTx.liftCode pkh + `PlutusTx.applyCode` + PlutusTx.liftCode deadline + +curSymbol :: PubKeyHash -> POSIXTime -> CurrencySymbol +curSymbol pkh deadline = scriptCurrencySymbol $ policy pkh deadline + +data MintParams = MintParams + { mpTokenName :: !TokenName + , mpDeadline :: !POSIXTime + , mpAmount :: !Integer + } deriving (Generic, ToJSON, FromJSON, ToSchema) + +type SignedSchema = Endpoint "mint" MintParams + +mint :: MintParams -> Contract w SignedSchema Text () +mint mp = do + pkh <- pubKeyHash <$> Contract.ownPubKey + now <- Contract.currentTime + let deadline = mpDeadline mp + if now > deadline + then Contract.logError @String "deadline passed" + else do + let val = Value.singleton (curSymbol pkh deadline) (mpTokenName mp) (mpAmount mp) + lookups = Constraints.mintingPolicy $ policy pkh deadline + tx = Constraints.mustMintValue val <> Constraints.mustValidateIn (to deadline) + ledgerTx <- submitTxConstraintsWith @Void lookups tx + void $ awaitTxConfirmed $ txId ledgerTx + Contract.logInfo @String $ printf "forged %s" (show val) + +endpoints :: Contract () SignedSchema Text () +endpoints = mint' >> endpoints + where + mint' = endpoint @"mint" >>= mint + +mkSchemaDefinitions ''SignedSchema + +mkKnownCurrencies [] + +test :: IO () +test = runEmulatorTraceIO $ do + let tn = "ABC" + deadline = 10 + h <- activateContractWallet (Wallet 1) endpoints + callEndpoint @"mint" h $ MintParams + { mpTokenName = tn + , mpDeadline = deadline + , mpAmount = 555 + } + void $ Emulator.waitNSlots 15 + callEndpoint @"mint" h $ MintParams + { mpTokenName = tn + , mpDeadline = deadline + , mpAmount = 555 + } + void $ Emulator.waitNSlots 1 diff --git a/code/week05/src/Week05/Solution2.hs b/code/week05/src/Week05/Solution2.hs new file mode 100644 index 0000000..5610d70 --- /dev/null +++ b/code/week05/src/Week05/Solution2.hs @@ -0,0 +1,94 @@ +{-# LANGUAGE DataKinds #-} +{-# LANGUAGE DeriveAnyClass #-} +{-# LANGUAGE DeriveGeneric #-} +{-# LANGUAGE FlexibleContexts #-} +{-# LANGUAGE NoImplicitPrelude #-} +{-# LANGUAGE OverloadedStrings #-} +{-# LANGUAGE ScopedTypeVariables #-} +{-# LANGUAGE TemplateHaskell #-} +{-# LANGUAGE TypeApplications #-} +{-# LANGUAGE TypeFamilies #-} +{-# LANGUAGE TypeOperators #-} + +module Week05.Solution2 where + +import Control.Monad hiding (fmap) +import qualified Data.Map as Map +import Data.Text (Text) +import Data.Void (Void) +import Plutus.Contract as Contract +import Plutus.Trace.Emulator as Emulator +import qualified PlutusTx +import PlutusTx.Prelude hiding (Semigroup(..), unless) +import Ledger hiding (mint, singleton) +import Ledger.Constraints as Constraints +import qualified Ledger.Typed.Scripts as Scripts +import Ledger.Value as Value +import Playground.Contract (printJson, printSchemas, ensureKnownCurrencies, stage, ToSchema) +import Playground.TH (mkKnownCurrencies, mkSchemaDefinitions) +import Playground.Types (KnownCurrency (..)) +import Prelude (IO, Semigroup (..), Show (..), String) +import Text.Printf (printf) +import Wallet.Emulator.Wallet + +{-# INLINABLE tn #-} +tn :: TokenName +tn = TokenName emptyByteString + +{-# INLINABLE mkPolicy #-} +mkPolicy :: TxOutRef -> () -> ScriptContext -> Bool +mkPolicy oref () ctx = traceIfFalse "UTxO not consumed" hasUTxO && + traceIfFalse "wrong amount minted" checkMintedAmount + where + info :: TxInfo + info = scriptContextTxInfo ctx + + hasUTxO :: Bool + hasUTxO = any (\i -> txInInfoOutRef i == oref) $ txInfoInputs info + + checkMintedAmount :: Bool + checkMintedAmount = case flattenValue (txInfoForge info) of + [(cs, tn', amt)] -> cs == ownCurrencySymbol ctx && tn' == tn && amt == 1 + _ -> False + +policy :: TxOutRef -> Scripts.MintingPolicy +policy oref = mkMintingPolicyScript $ + $$(PlutusTx.compile [|| Scripts.wrapMintingPolicy . mkPolicy ||]) + `PlutusTx.applyCode` + PlutusTx.liftCode oref + +curSymbol :: TxOutRef -> CurrencySymbol +curSymbol = scriptCurrencySymbol . policy + +type NFTSchema = Endpoint "mint" () + +mint :: Contract w NFTSchema Text () +mint = do + pk <- Contract.ownPubKey + utxos <- utxoAt (pubKeyAddress pk) + case Map.keys utxos of + [] -> Contract.logError @String "no utxo found" + oref : _ -> do + let val = Value.singleton (curSymbol oref) tn 1 + lookups = Constraints.mintingPolicy (policy oref) <> Constraints.unspentOutputs utxos + tx = Constraints.mustMintValue val <> Constraints.mustSpendPubKeyOutput oref + ledgerTx <- submitTxConstraintsWith @Void lookups tx + void $ awaitTxConfirmed $ txId ledgerTx + Contract.logInfo @String $ printf "forged %s" (show val) + +endpoints :: Contract () NFTSchema Text () +endpoints = mint' >> endpoints + where + mint' = endpoint @"mint" >> mint + +mkSchemaDefinitions ''NFTSchema + +mkKnownCurrencies [] + +test :: IO () +test = runEmulatorTraceIO $ do + h1 <- activateContractWallet (Wallet 1) endpoints + h2 <- activateContractWallet (Wallet 2) endpoints + callEndpoint @"mint" h1 () + callEndpoint @"mint" h2 () + void $ Emulator.waitNSlots 1