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Add helper to convert kupo matches into apollo UTxO #16

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Add helper to convert kupo matches into apollo UTxO #16

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9c7315f
generalize 'WalletAddressFromBytes'
rrruko Jan 25, 2024
25567b8
kupo to utxo
rrruko Jan 27, 2024
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26 changes: 22 additions & 4 deletions serialization/Address/Address.go
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,7 @@ type Address struct {
Hrp string
}

func WalletAddressFromBytes(payment []byte, staking []byte, network constants.Network) *Address {
func AddressFromBytes(payment []byte, paymentIsScript bool, staking []byte, stakingIsScript bool, network constants.Network) *Address {
var addr Address
addr.PaymentPart = payment
addr.StakingPart = staking
Expand All @@ -49,12 +49,30 @@ func WalletAddressFromBytes(payment []byte, staking []byte, network constants.Ne
} else {
addr.Network = TESTNET
}
if len(payment) == 0 {
if len(payment) == 0 && len(staking) == 0 {
return nil
} else if len(payment) == 0 {
if stakingIsScript {
addr.AddressType = NONE_SCRIPT
} else {
addr.AddressType = NONE_KEY
}
} else if len(staking) == 0 {
addr.AddressType = KEY_NONE
if paymentIsScript {
addr.AddressType = SCRIPT_NONE
} else {
addr.AddressType = KEY_NONE
}
} else {
addr.AddressType = KEY_KEY
if paymentIsScript && stakingIsScript {
addr.AddressType = SCRIPT_SCRIPT
} else if paymentIsScript && !stakingIsScript {
addr.AddressType = SCRIPT_KEY
} else if !paymentIsScript && stakingIsScript {
addr.AddressType = KEY_SCRIPT
} else {
addr.AddressType = KEY_KEY
}
}
addr.HeaderByte = (addr.AddressType << 4) | addr.Network
addr.Hrp = ComputeHrp(addr.AddressType, addr.Network)
Expand Down
178 changes: 99 additions & 79 deletions txBuilding/Backend/OgmiosChainContext/OgmiosChainContext.go
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Original file line number Diff line number Diff line change
Expand Up @@ -320,6 +320,34 @@ func (occ *OgmiosChainContext) LatestEpoch() Base.Epoch {
}
}

func (occ *OgmiosChainContext) KupoToUtxo(m kugo.Match) UTxO.UTxO {
ctx := context.Background()
addr, au := occ.kupoToAddressUtxo(ctx, m)
return occ.addressUtxoToUtxo(addr, au)
}

func (occ *OgmiosChainContext) kupoToAddressUtxo(ctx context.Context, match kugo.Match) (Address.Address, Base.AddressUTXO) {
datum := ""
var err error
if match.DatumType == "inline" {
datum, err = occ.kugo.Datum(ctx, match.DatumHash)
if err != nil {
log.Fatal(err, "OgmiosChainContext: AddressUtxos: kupo datum request failed")
}
}
am := statequeryValue_toAddressAmount(shared.Value(match.Value))
addr, _ := Address.DecodeAddress(match.Address)
return addr, Base.AddressUTXO{
TxHash: match.TransactionID,
OutputIndex: match.OutputIndex,
Amount: am,
// We probably don't need this info and kupo doesn't provide it in this query
Block: "",
DataHash: match.DatumHash,
InlineDatum: datum,
}
}

func (occ *OgmiosChainContext) AddressUtxos(address string, gather bool) []Base.AddressUTXO {
ctx := context.Background()
addressUtxos := make([]Base.AddressUTXO, 0)
Expand All @@ -328,23 +356,8 @@ func (occ *OgmiosChainContext) AddressUtxos(address string, gather bool) []Base.
log.Fatal(err, "OgmiosChainContext: AddressUtxos: kupo request failed")
}
for _, match := range matches {
datum := ""
if match.DatumType == "inline" {
datum, err = occ.kugo.Datum(ctx, match.DatumHash)
if err != nil {
log.Fatal(err, "OgmiosChainContext: AddressUtxos: kupo datum request failed")
}
}
am := statequeryValue_toAddressAmount(shared.Value(match.Value))
addressUtxos = append(addressUtxos, Base.AddressUTXO{
TxHash: match.TransactionID,
OutputIndex: match.OutputIndex,
Amount: am,
// We probably don't need this info and kupo doesn't provide it in this query
Block: "",
DataHash: match.DatumHash,
InlineDatum: datum,
})
_, addrUtxo := occ.kupoToAddressUtxo(ctx, match)
addressUtxos = append(addressUtxos, addrUtxo)
}
return addressUtxos

Expand Down Expand Up @@ -557,76 +570,83 @@ func (occ *OgmiosChainContext) MaxTxFee() int {
return Base.Fee(occ, protocol_param.MaxTxSize, maxTxExSteps, maxTxExMem)
}

// Copied from blockfrost context def since it just calls AddressUtxos and then
// converts
func (occ *OgmiosChainContext) Utxos(address Address.Address) []UTxO.UTxO {
results := occ.AddressUtxos(address.String(), true)
utxos := make([]UTxO.UTxO, 0)
for _, result := range results {
decodedTxId, _ := hex.DecodeString(result.TxHash)
tx_in := TransactionInput.TransactionInput{TransactionId: decodedTxId, Index: result.OutputIndex}
amount := result.Amount
lovelace_amount := 0
multi_assets := MultiAsset.MultiAsset[int64]{}
for _, item := range amount {
if item.Unit == "lovelace" {
amount, err := strconv.Atoi(item.Quantity)
if err != nil {
log.Fatal(err)
}
lovelace_amount += amount
} else {
asset_quantity, err := strconv.ParseInt(item.Quantity, 10, 64)
if err != nil {
log.Fatal(err)
}
policy_id := Policy.PolicyId{Value: item.Unit[:56]}
asset_name := *AssetName.NewAssetNameFromHexString(item.Unit[56:])
_, ok := multi_assets[policy_id]
if !ok {
multi_assets[policy_id] = Asset.Asset[int64]{}
}
multi_assets[policy_id][asset_name] = int64(asset_quantity)
}
}
final_amount := Value.Value{}
if len(multi_assets) > 0 {
final_amount = Value.Value{Am: Amount.Amount{Coin: int64(lovelace_amount), Value: multi_assets}, HasAssets: true}
} else {
final_amount = Value.Value{Coin: int64(lovelace_amount), HasAssets: false}
}
datum_hash := serialization.DatumHash{}
if result.DataHash != "" && result.InlineDatum == "" {

datum_hash = serialization.DatumHash{}
copy(datum_hash.Payload[:], result.DataHash[:])
}
var tx_out TransactionOutput.TransactionOutput
if result.InlineDatum != "" {
decoded, err := hex.DecodeString(result.InlineDatum)
func (occ *OgmiosChainContext) addressUtxoToUtxo(address Address.Address, result Base.AddressUTXO) UTxO.UTxO {
decodedTxId, _ := hex.DecodeString(result.TxHash)
tx_in := TransactionInput.TransactionInput{TransactionId: decodedTxId, Index: result.OutputIndex}
amount := result.Amount
lovelace_amount := 0
multi_assets := MultiAsset.MultiAsset[int64]{}
for _, item := range amount {
if item.Unit == "lovelace" {
amount, err := strconv.Atoi(item.Quantity)
if err != nil {
log.Fatal(err)
}
var x PlutusData.PlutusData
err = cbor.Unmarshal(decoded, &x)
lovelace_amount += amount
} else {
asset_quantity, err := strconv.ParseInt(item.Quantity, 10, 64)
if err != nil {
log.Fatal(err)
}
l := PlutusData.DatumOptionInline(&x)
tx_out = TransactionOutput.TransactionOutput{IsPostAlonzo: true,
PostAlonzo: TransactionOutput.TransactionOutputAlonzo{
Address: address,
Amount: final_amount.ToAlonzoValue(),
Datum: &l},
policy_id := Policy.PolicyId{Value: item.Unit[:56]}
asset_name := *AssetName.NewAssetNameFromHexString(item.Unit[56:])
_, ok := multi_assets[policy_id]
if !ok {
multi_assets[policy_id] = Asset.Asset[int64]{}
}
} else {
tx_out = TransactionOutput.TransactionOutput{PreAlonzo: TransactionOutput.TransactionOutputShelley{
Address: address,
Amount: final_amount,
DatumHash: datum_hash,
HasDatum: len(datum_hash.Payload) > 0}, IsPostAlonzo: false}
multi_assets[policy_id][asset_name] = int64(asset_quantity)
}
}
final_amount := Value.Value{}
if len(multi_assets) > 0 {
final_amount = Value.Value{Am: Amount.Amount{Coin: int64(lovelace_amount), Value: multi_assets}, HasAssets: true}
} else {
final_amount = Value.Value{Coin: int64(lovelace_amount), HasAssets: false}
}
datum_hash := serialization.DatumHash{}
if result.DataHash != "" && result.InlineDatum == "" {

datum_hash = serialization.DatumHash{}
copy(datum_hash.Payload[:], result.DataHash[:])
}
var tx_out TransactionOutput.TransactionOutput
if result.InlineDatum != "" {
decoded, err := hex.DecodeString(result.InlineDatum)
if err != nil {
log.Fatal(err)
}
var x PlutusData.PlutusData
err = cbor.Unmarshal(decoded, &x)
if err != nil {
log.Fatal(err)
}
l := PlutusData.DatumOptionInline(&x)
tx_out = TransactionOutput.TransactionOutput{IsPostAlonzo: true,
PostAlonzo: TransactionOutput.TransactionOutputAlonzo{
Address: address,
Amount: final_amount.ToAlonzoValue(),
Datum: &l},
}
utxos = append(utxos, UTxO.UTxO{Input: tx_in, Output: tx_out})
} else {
tx_out = TransactionOutput.TransactionOutput{PreAlonzo: TransactionOutput.TransactionOutputShelley{
Address: address,
Amount: final_amount,
DatumHash: datum_hash,
HasDatum: len(datum_hash.Payload) > 0}, IsPostAlonzo: false}
}
return UTxO.UTxO{
Input: tx_in,
Output: tx_out,
}
}

// Copied from blockfrost context def since it just calls AddressUtxos and then
// converts
func (occ *OgmiosChainContext) Utxos(address Address.Address) []UTxO.UTxO {
results := occ.AddressUtxos(address.String(), true)
utxos := make([]UTxO.UTxO, 0)
for _, result := range results {
utxos = append(utxos, occ.addressUtxoToUtxo(address, result))
}
return utxos
}
Expand Down