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Add support for unlimited assets. (#900)
Co-authored-by: John Lee <[email protected]> Co-authored-by: Brice Rising <[email protected]> Co-authored-by: Tolik Zinovyev <[email protected]> Co-authored-by: Barbara Poon <[email protected]> Co-authored-by: Will Winder <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,202 @@ | ||
| package accounting | ||
|
|
||
| import ( | ||
| "github.com/algorand/go-algorand/data/basics" | ||
| "github.com/algorand/go-algorand/data/transactions" | ||
| "github.com/algorand/go-algorand/ledger" | ||
| "github.com/algorand/go-algorand/protocol" | ||
| ) | ||
|
|
||
| // Add requests for asset and app creators to `assetsReq` and `appsReq` for the given | ||
| // transaction. | ||
| func addToCreatorsRequest(stxnad *transactions.SignedTxnWithAD, assetsReq map[basics.AssetIndex]struct{}, appsReq map[basics.AppIndex]struct{}) { | ||
| txn := &stxnad.Txn | ||
|
|
||
| switch txn.Type { | ||
| case protocol.AssetConfigTx: | ||
| fields := &txn.AssetConfigTxnFields | ||
| if fields.ConfigAsset != 0 { | ||
| assetsReq[fields.ConfigAsset] = struct{}{} | ||
| } | ||
| case protocol.AssetTransferTx: | ||
| fields := &txn.AssetTransferTxnFields | ||
| if fields.XferAsset != 0 { | ||
| assetsReq[fields.XferAsset] = struct{}{} | ||
| } | ||
| case protocol.AssetFreezeTx: | ||
| fields := &txn.AssetFreezeTxnFields | ||
| if fields.FreezeAsset != 0 { | ||
| assetsReq[fields.FreezeAsset] = struct{}{} | ||
| } | ||
| case protocol.ApplicationCallTx: | ||
| fields := &txn.ApplicationCallTxnFields | ||
| if fields.ApplicationID != 0 { | ||
| appsReq[fields.ApplicationID] = struct{}{} | ||
| } | ||
| for _, index := range fields.ForeignApps { | ||
| appsReq[index] = struct{}{} | ||
| } | ||
| for _, index := range fields.ForeignAssets { | ||
| assetsReq[index] = struct{}{} | ||
| } | ||
| } | ||
|
|
||
| for i := range stxnad.ApplyData.EvalDelta.InnerTxns { | ||
| addToCreatorsRequest(&stxnad.ApplyData.EvalDelta.InnerTxns[i], assetsReq, appsReq) | ||
| } | ||
| } | ||
|
|
||
| // MakePreloadCreatorsRequest makes a request for preloading creators in the batch mode. | ||
| func MakePreloadCreatorsRequest(payset transactions.Payset) (map[basics.AssetIndex]struct{}, map[basics.AppIndex]struct{}) { | ||
| assetsReq := make(map[basics.AssetIndex]struct{}, len(payset)) | ||
| appsReq := make(map[basics.AppIndex]struct{}, len(payset)) | ||
|
|
||
| for i := range payset { | ||
| addToCreatorsRequest(&payset[i].SignedTxnWithAD, assetsReq, appsReq) | ||
| } | ||
|
|
||
| return assetsReq, appsReq | ||
| } | ||
|
|
||
| // Add requests for account data and account resources to `addressesReq` and | ||
| // `resourcesReq` respectively for the given transaction. | ||
| func addToAccountsResourcesRequest(stxnad *transactions.SignedTxnWithAD, assetCreators map[basics.AssetIndex]ledger.FoundAddress, appCreators map[basics.AppIndex]ledger.FoundAddress, addressesReq map[basics.Address]struct{}, resourcesReq map[basics.Address]map[ledger.Creatable]struct{}) { | ||
| setResourcesReq := func(addr basics.Address, creatable ledger.Creatable) { | ||
| c, ok := resourcesReq[addr] | ||
| if !ok { | ||
| c = make(map[ledger.Creatable]struct{}) | ||
| resourcesReq[addr] = c | ||
| } | ||
| c[creatable] = struct{}{} | ||
| } | ||
|
|
||
| txn := &stxnad.Txn | ||
|
|
||
| addressesReq[txn.Sender] = struct{}{} | ||
|
|
||
| switch txn.Type { | ||
| case protocol.PaymentTx: | ||
| fields := &txn.PaymentTxnFields | ||
| addressesReq[fields.Receiver] = struct{}{} | ||
| // Close address is optional. | ||
| if !fields.CloseRemainderTo.IsZero() { | ||
| addressesReq[fields.CloseRemainderTo] = struct{}{} | ||
| } | ||
| case protocol.AssetConfigTx: | ||
| fields := &txn.AssetConfigTxnFields | ||
| if fields.ConfigAsset == 0 { | ||
| if stxnad.ApplyData.ConfigAsset != 0 { | ||
| creatable := ledger.Creatable{ | ||
| Index: basics.CreatableIndex(stxnad.ApplyData.ConfigAsset), | ||
| Type: basics.AssetCreatable, | ||
| } | ||
| setResourcesReq(txn.Sender, creatable) | ||
| } | ||
| } else { | ||
| if creator := assetCreators[fields.ConfigAsset]; creator.Exists { | ||
| creatable := ledger.Creatable{ | ||
| Index: basics.CreatableIndex(fields.ConfigAsset), | ||
| Type: basics.AssetCreatable, | ||
| } | ||
| addressesReq[creator.Address] = struct{}{} | ||
| setResourcesReq(creator.Address, creatable) | ||
| } | ||
| } | ||
| case protocol.AssetTransferTx: | ||
| fields := &txn.AssetTransferTxnFields | ||
| creatable := ledger.Creatable{ | ||
| Index: basics.CreatableIndex(fields.XferAsset), | ||
| Type: basics.AssetCreatable, | ||
| } | ||
| if creator := assetCreators[fields.XferAsset]; creator.Exists { | ||
| setResourcesReq(creator.Address, creatable) | ||
| } | ||
| source := txn.Sender | ||
| // If asset sender is non-zero, it is a clawback transaction. Otherwise, | ||
| // the transaction sender address is used. | ||
| if !fields.AssetSender.IsZero() { | ||
| source = fields.AssetSender | ||
| } | ||
| addressesReq[source] = struct{}{} | ||
| setResourcesReq(source, creatable) | ||
| addressesReq[fields.AssetReceiver] = struct{}{} | ||
| setResourcesReq(fields.AssetReceiver, creatable) | ||
| // Asset close address is optional. | ||
| if !fields.AssetCloseTo.IsZero() { | ||
| addressesReq[fields.AssetCloseTo] = struct{}{} | ||
| setResourcesReq(fields.AssetCloseTo, creatable) | ||
| } | ||
| case protocol.AssetFreezeTx: | ||
| fields := &txn.AssetFreezeTxnFields | ||
| creatable := ledger.Creatable{ | ||
| Index: basics.CreatableIndex(fields.FreezeAsset), | ||
| Type: basics.AssetCreatable, | ||
| } | ||
| if creator := assetCreators[fields.FreezeAsset]; creator.Exists { | ||
| setResourcesReq(creator.Address, creatable) | ||
| } | ||
| setResourcesReq(fields.FreezeAccount, creatable) | ||
| case protocol.ApplicationCallTx: | ||
| fields := &txn.ApplicationCallTxnFields | ||
| if fields.ApplicationID == 0 { | ||
| if stxnad.ApplyData.ApplicationID != 0 { | ||
| creatable := ledger.Creatable{ | ||
| Index: basics.CreatableIndex(stxnad.ApplyData.ApplicationID), | ||
| Type: basics.AppCreatable, | ||
| } | ||
| setResourcesReq(txn.Sender, creatable) | ||
| } | ||
| } else { | ||
| creatable := ledger.Creatable{ | ||
| Index: basics.CreatableIndex(fields.ApplicationID), | ||
| Type: basics.AppCreatable, | ||
| } | ||
| if creator := appCreators[fields.ApplicationID]; creator.Exists { | ||
| addressesReq[creator.Address] = struct{}{} | ||
| setResourcesReq(creator.Address, creatable) | ||
| } | ||
| setResourcesReq(txn.Sender, creatable) | ||
| } | ||
| for _, address := range fields.Accounts { | ||
| addressesReq[address] = struct{}{} | ||
| } | ||
| for _, index := range fields.ForeignApps { | ||
| if creator := appCreators[index]; creator.Exists { | ||
| creatable := ledger.Creatable{ | ||
| Index: basics.CreatableIndex(index), | ||
| Type: basics.AppCreatable, | ||
| } | ||
| setResourcesReq(creator.Address, creatable) | ||
| } | ||
| } | ||
| for _, index := range fields.ForeignAssets { | ||
| if creator := assetCreators[index]; creator.Exists { | ||
| creatable := ledger.Creatable{ | ||
| Index: basics.CreatableIndex(index), | ||
| Type: basics.AssetCreatable, | ||
| } | ||
| setResourcesReq(creator.Address, creatable) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| for i := range stxnad.ApplyData.EvalDelta.InnerTxns { | ||
| addToAccountsResourcesRequest( | ||
| &stxnad.ApplyData.EvalDelta.InnerTxns[i], assetCreators, appCreators, | ||
| addressesReq, resourcesReq) | ||
| } | ||
| } | ||
|
|
||
| // MakePreloadAccountsResourcesRequest makes a request for preloading account data and | ||
| // account resources in the batch mode. | ||
| func MakePreloadAccountsResourcesRequest(payset transactions.Payset, assetCreators map[basics.AssetIndex]ledger.FoundAddress, appCreators map[basics.AppIndex]ledger.FoundAddress) (map[basics.Address]struct{}, map[basics.Address]map[ledger.Creatable]struct{}) { | ||
| addressesReq := make(map[basics.Address]struct{}, len(payset)) | ||
| resourcesReq := make(map[basics.Address]map[ledger.Creatable]struct{}, len(payset)) | ||
|
|
||
| for i := range payset { | ||
| addToAccountsResourcesRequest( | ||
| &payset[i].SignedTxnWithAD, assetCreators, appCreators, addressesReq, resourcesReq) | ||
| } | ||
|
|
||
| return addressesReq, resourcesReq | ||
| } |
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