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Introduce data definition UnsignedTx
Add Cardano.Api.Experimental.Tx
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cardano-api/internal/Cardano/Api/Experimental/UnsignedTx.hs
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,76 +1,142 @@ | ||
| {-# LANGUAGE DataKinds #-} | ||
| {-# LANGUAGE FlexibleContexts #-} | ||
| {-# LANGUAGE GADTs #-} | ||
| {-# LANGUAGE KindSignatures #-} | ||
| {-# LANGUAGE TypeOperators #-} | ||
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| module Cardano.Api.Experimental.UnsignedTx where | ||
| module Cardano.Api.Experimental.Tx where | ||
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| import Cardano.Api.Eras | ||
| import Cardano.Api.Eon.ShelleyBasedEra | ||
| import Cardano.Api.Experimental.Eras | ||
| import Cardano.Api.ReexposeLedger (strictMaybeToMaybe) | ||
| import Cardano.Api.Feature | ||
| import Cardano.Api.Protocol.AvailableEras | ||
| import Cardano.Api.ReexposeLedger (StrictMaybe (..), maybeToStrictMaybe) | ||
| import qualified Cardano.Api.ReexposeLedger as L | ||
| import Cardano.Api.Tx.Body | ||
| import Cardano.Api.Tx.Sign | ||
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| import qualified Cardano.Ledger.Alonzo.TxBody as L | ||
| import qualified Cardano.Ledger.Api as L | ||
| import qualified Cardano.Ledger.Conway.TxBody as L | ||
| import qualified Cardano.Ledger.Core as Ledger | ||
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| import Data.Bifunctor | ||
| import qualified Data.Map.Strict as Map | ||
| import qualified Data.Set as Set | ||
| import Lens.Micro | ||
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| -- A transaction that contains everything | ||
| -- except signing key witnesses | ||
| -- | A transaction that can contain everything | ||
| -- except key witnesses | ||
| newtype UnsignedTx era | ||
| = UnsignedTx (Ledger.Tx (ToConstrainedEra era)) | ||
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| data UnsignedTxError | ||
| newtype UnsignedTxError | ||
| = UnsignedTxError TxBodyError | ||
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| makeUnsignedTx | ||
| :: Era era | ||
| :: Ledger.EraCrypto (ToConstrainedEra era) ~ L.StandardCrypto | ||
| => L.AlonzoEraTx (ToConstrainedEra era) | ||
| => L.BabbageEraTxBody (ToConstrainedEra era) | ||
| => L.ShelleyEraTxBody (ToConstrainedEra era) | ||
| => ShelleyLedgerEra (AvailableErasToSbe era) ~ ToConstrainedEra era | ||
| => Era era | ||
| -> TxBodyContent BuildTx (AvailableErasToSbe era) | ||
| -> Either UnsignedTxError (UnsignedTx era) | ||
| makeUnsignedTx era bc = do | ||
| sbe <- maybe (Left $ error "") Right $ protocolVersionToSbe era | ||
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| -- Construct tx body | ||
| let apiTxOuts = txOuts bc | ||
| apiScriptWitnesses = collectTxBodyScriptWitnesses sbe bc | ||
| apiScriptValidity = txScriptValidity bc | ||
| apiMintValue = txMintValue bc | ||
| apiProtocolParameters = txProtocolParams bc | ||
| apiCollateralTxIns = txInsCollateral bc | ||
| apiReferenceInputs = txInsReference bc | ||
| apiExtraKeyWitnesses = txExtraKeyWits bc | ||
| apiReturnCollateral = txReturnCollateral bc | ||
| apiTotalCollateral = txTotalCollateral bc | ||
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| -- Ledger types | ||
| collTxIns = convCollateralTxIns apiCollateralTxIns | ||
| refTxIns = convReferenceInputs apiReferenceInputs | ||
| returnCollateral = convReturnCollateral sbe apiReturnCollateral | ||
| totalCollateral = convTotalCollateral apiTotalCollateral | ||
| certs = convCertificates sbe $ txCertificates bc | ||
| txAuxData = toAuxiliaryData sbe (txMetadata bc) (txAuxScripts bc) | ||
| scripts = convScripts apiScriptWitnesses | ||
| languages = convLanguages apiScriptWitnesses | ||
| sData = convScriptData sbe apiTxOuts apiScriptWitnesses | ||
| sbe <- maybe (Left $ error "TODO") Right $ protocolVersionToSbe era | ||
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| -- cardano-api types | ||
| let apiTxOuts = txOuts bc | ||
| apiScriptWitnesses = collectTxBodyScriptWitnesses sbe bc | ||
| apiScriptValidity = txScriptValidity bc | ||
| apiMintValue = txMintValue bc | ||
| apiProtocolParameters = txProtocolParams bc | ||
| apiCollateralTxIns = txInsCollateral bc | ||
| apiReferenceInputs = txInsReference bc | ||
| apiExtraKeyWitnesses = txExtraKeyWits bc | ||
| apiReturnCollateral = txReturnCollateral bc | ||
| apiTotalCollateral = txTotalCollateral bc | ||
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| -- Ledger types | ||
| txins = convTxIns $ txIns bc | ||
| collTxIns = convCollateralTxIns apiCollateralTxIns | ||
| refTxIns = convReferenceInputs apiReferenceInputs | ||
| outs = convTxOuts sbe apiTxOuts | ||
| fee = convTransactionFee sbe $ txFee bc | ||
| withdrawals = convWithdrawals $ txWithdrawals bc | ||
| returnCollateral = convReturnCollateral sbe apiReturnCollateral | ||
| totalCollateral = convTotalCollateral apiTotalCollateral | ||
| certs = convCertificates sbe $ txCertificates bc | ||
| txAuxData = toAuxiliaryData sbe (txMetadata bc) (txAuxScripts bc) | ||
| scripts = convScripts apiScriptWitnesses | ||
| languages = convLanguages apiScriptWitnesses | ||
| sData = convScriptData sbe apiTxOuts apiScriptWitnesses | ||
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| setUpdateProposal <- first UnsignedTxError $ convTxUpdateProposal sbe (txUpdateProposal bc) | ||
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| setInvalidBefore <- maybe (Left $ error "TODO") Right $ convValidityLowerBound (txValidityLowerBound bc) | ||
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| let setMint = convMintValue apiMintValue | ||
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| setScriptIntegrityHash <- maybe (Left $ error "TODO") Right $ strictMaybeToMaybe $ getScriptIntegrityHash apiProtocolParameters languages sData | ||
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| let setReqSignerHashes = convExtraKeyWitnesses apiExtraKeyWitnesses | ||
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| let ledgerTxBody = | ||
| mkCommonTxBody sbe (txIns bc) (txOuts bc) (txFee bc) (txWithdrawals bc) txAuxData | ||
| & A.certsTxBodyL sbe .~ certs | ||
| & A.invalidHereAfterTxBodyL sbe .~ convValidityUpperBound sbe (txValidityUpperBound bc) | ||
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| -- TODO: Left off here | ||
| undefined | ||
| -- Construct script witnesses | ||
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| -- TODO: Left off here. Fill out this function and also | ||
| -- create a function for signing. | ||
| setReqSignerHashes = convExtraKeyWitnesses apiExtraKeyWitnesses | ||
| ledgerTxBody = L.mkBasicTxBody | ||
| & L.inputsTxBodyL .~ txins | ||
| & L.collateralInputsTxBodyL .~ collTxIns | ||
| & L.referenceInputsTxBodyL .~ refTxIns | ||
| & L.outputsTxBodyL .~ outs | ||
| & L.totalCollateralTxBodyL .~ totalCollateral | ||
| & L.collateralReturnTxBodyL .~ returnCollateral | ||
| & L.feeTxBodyL .~ fee | ||
| & L.vldtTxBodyL . L.invalidBeforeL .~ convValidityLowerBound (txValidityLowerBound bc) | ||
| & L.vldtTxBodyL . L.invalidHereAfterL .~ convValidityUpperBound sbe (txValidityUpperBound bc) | ||
| & L.reqSignerHashesTxBodyL .~ setReqSignerHashes | ||
| & L.scriptIntegrityHashTxBodyL .~ getScriptIntegrityHash apiProtocolParameters languages sData | ||
| & L.withdrawalsTxBodyL .~ withdrawals | ||
| & L.certsTxBodyL .~ certs | ||
| & L.updateTxBodyL .~ setUpdateProposal | ||
| & L.mintTxBodyL .~ setMint | ||
| & L.auxDataHashTxBodyL .~ maybe SNothing (SJust . Ledger.hashTxAuxData) txAuxData | ||
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| eraSpecificTxBody = eraSpecificLedgerTxBody era ledgerTxBody bc | ||
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| scriptWitnesses = L.mkBasicTxWits | ||
| & L.scriptTxWitsL .~ Map.fromList | ||
| [ (L.hashScript sw, sw) | ||
| | sw <- scripts | ||
| ] | ||
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| return . UnsignedTx | ||
| $ L.mkBasicTx eraSpecificTxBody | ||
| & L.witsTxL .~ scriptWitnesses | ||
| & L.auxDataTxL .~ maybeToStrictMaybe (toAuxiliaryData sbe (txMetadata bc) (txAuxScripts bc)) | ||
| & L.isValidTxL .~ txScriptValidityToIsValid apiScriptValidity | ||
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| eraSpecificLedgerTxBody | ||
| :: Era era | ||
| -> Ledger.TxBody (ToConstrainedEra era) | ||
| -> TxBodyContent BuildTx (AvailableErasToSbe era) | ||
| -> Ledger.TxBody (ToConstrainedEra era) | ||
| eraSpecificLedgerTxBody CurrentEraInternal ledgerbody _ = ledgerbody | ||
| eraSpecificLedgerTxBody UpcomingEraInternal ledgerbody bc = | ||
| let propProcedures = txProposalProcedures bc | ||
| voteProcedures = txVotingProcedures bc | ||
| treasuryDonation = txTreasuryDonation bc | ||
| currentTresuryValue = txCurrentTreasuryValue bc | ||
| in ledgerbody | ||
| & L.proposalProceduresTxBodyL .~ convProposalProcedures (maybe TxProposalProceduresNone unFeatured propProcedures) | ||
| & L.votingProceduresTxBodyL .~ convVotingProcedures (maybe TxVotingProceduresNone unFeatured voteProcedures) | ||
| & L.treasuryDonationTxBodyL .~ maybe (L.Coin 0) unFeatured treasuryDonation | ||
| & L.currentTreasuryValueTxBodyL .~ L.maybeToStrictMaybe (unFeatured <$> currentTresuryValue) | ||
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| signTx | ||
| :: L.EraTx (ToConstrainedEra era) | ||
| => Ledger.EraCrypto (ToConstrainedEra era) ~ L.StandardCrypto | ||
| => [KeyWitness (AvailableErasToSbe era)] | ||
| -> UnsignedTx era | ||
| -> Ledger.Tx (ToConstrainedEra era) | ||
| signTx apiKeyWits (UnsignedTx unsigned) = | ||
| let currentScriptWitnesses = unsigned ^. L.witsTxL | ||
| keyWits = L.mkBasicTxWits | ||
| & L.addrTxWitsL | ||
| .~ Set.fromList [w | ShelleyKeyWitness _ w <- apiKeyWits] | ||
| & L.bootAddrTxWitsL | ||
| .~ Set.fromList [w | ShelleyBootstrapWitness _ w <- apiKeyWits] | ||
| signedTx = unsigned & L.witsTxL .~ (keyWits <> currentScriptWitnesses) | ||
| in signedTx |
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