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update dependencies. Constructors for Tron Native Contracts for Deserialization from Protobuf
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2 changes: 1 addition & 1 deletion
2
example/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,130 +1 @@ | ||
| void main() async { | ||
| // final seed = BytesUtils.fromHexString( | ||
| // "6fed8bf347b201c4ff0379c9173a042163dbd5f1110bcb983ac8615dcbb98c853f7c1b524dcebdf47e2d19778d0b30e25065d5a5012d83b874ab7034e95a713f"); | ||
| // final bip44 = Bip44.fromSeed(seed, Bip44Coins.tron); | ||
| // final prv = TronPrivateKey.fromBytes(bip44.privateKey.raw); | ||
| // final publicKey = prv.publicKey(); | ||
| // final address = publicKey.toAddress(); | ||
| // final receiverAddress = TronAddress("TF3cDajEAaJ8jFXFB2KF3XSUbTpZWzuSrp"); | ||
| // final rpc = | ||
| // TronProvider(TronHTTPProvider(url: "https://api.shasta.trongrid.io")); | ||
| // final block = await rpc.request(TronRequestGetNowBlock()); | ||
|
|
||
| // /// create contract (i use TransferContract) | ||
| // final contract = TransferContract( | ||
| // amount: TronHelper.toSun("1"), | ||
| // ownerAddress: address, | ||
| // toAddress: receiverAddress); | ||
| // final parameter = Any(typeUrl: contract.typeURL, value: contract); | ||
| // final transactionContract = | ||
| // TransactionContract(type: contract.contractType, parameter: parameter); | ||
|
|
||
| // /// maximum 24H | ||
| // final expireTime = DateTime.now().toUtc().add(const Duration(hours: 12)); | ||
| // TransactionRaw rawTr = TransactionRaw( | ||
| // refBlockBytes: block.blockHeader.rawData.refBlockBytes, | ||
| // refBlockHash: block.blockHeader.rawData.refBlockHash, | ||
| // expiration: BigInt.from(expireTime.millisecondsSinceEpoch), | ||
| // // 10 TRX | ||
| // feeLimit: TronHelper.toSun("10"), | ||
|
|
||
| // /// memo | ||
| // data: utf8.encode("https://github.com/mrtnetwork"), | ||
| // contract: [transactionContract], | ||
| // timestamp: block.blockHeader.rawData.timestamp); | ||
|
|
||
| // /// ok now we want to calculate fee limit before signing | ||
| // /// i create fake transaction to get size of tr | ||
| // /// in this case transaction is not multi-sig address and we just need one signature | ||
| // /// i add 65byte empty bytes to transaction beacuse each signature has fixed 65 bytes | ||
| // /// signer * 65 bytes (1 * 65) | ||
| // final fakeTr = Transaction(rawData: rawTr, signature: [Uint8List(65)]); | ||
|
|
||
| // /// transaction Size | ||
| // /// ok we now how much bandwidth need | ||
| // final trSize = fakeTr.length + 64; | ||
| // int needBandiwdth = trSize; | ||
|
|
||
| // /// we does not need energy (energy its only for smart contract and u can see in smart contract calculate fee example) | ||
| // // ignore: unused_local_variable | ||
| // final int? energyNeed; | ||
|
|
||
| // /// sometimes when we want to send transaction to not active account, netwokr has required bandwidth for burn and | ||
| // /// this cannot reduce with account bandwidth | ||
| // int needBandWidthToBurn = 0; | ||
|
|
||
| // /// ok now we got network parameters | ||
| // final chainParams = await rpc.request(TronRequestGetChainParameters()); | ||
|
|
||
| // /// ok we got chain param and now we need accounts resource | ||
| // final ownerAccountResource = | ||
| // await rpc.request(TronRequestGetAccountResource(address: address)); | ||
|
|
||
| // /// ok we have owner account resource and now we got receiver account details for its active or not | ||
| // /// in this case if accountIsActive is null, its mean account does not active | ||
| // final accountIsActive = | ||
| // await rpc.request(TronRequestGetAccount(address: receiverAddress)); | ||
|
|
||
| // /// total burn (transaction fee) | ||
| // int totalBurnInSun = 0; | ||
|
|
||
| // /// ok in this case we calculate how much need for new account | ||
| // if (accountIsActive == null) { | ||
| // needBandWidthToBurn += chainParams.getCreateNewAccountFeeInSystemContract!; | ||
| // totalBurnInSun += chainParams.getCreateAccountFee!; | ||
| // } | ||
|
|
||
| // /// if we have note (memo) we calculate memo foo | ||
| // /// in this case we have note ("https://github.com/mrtnetwork") | ||
| // if (rawTr.data != null) { | ||
| // totalBurnInSun += chainParams.getMemoFee!; | ||
| // } | ||
|
|
||
| // /// for transfer trx we dont need anything but some special transaction has special values for | ||
| // /// 1. Issue a TRC10 token: 1,024 TRX | ||
| // /// 2. Apply to be an SR candidate: 9,999 TRX | ||
| // /// 3. Create a Bancor transaction: 1,024 TRX | ||
| // /// 4. Update the account permission: 100 TRX | ||
| // /// 5. Activate the account: 1 TRX (used in this transaction) | ||
| // /// 6. Multi-sig transaction: 1 TRX | ||
| // /// 7. Transaction note: 1 TRX (used in this transaction) | ||
|
|
||
| // /// ok now we need to reduce bandwidth with account bandwidth | ||
| // /// how much account have bandwidth | ||
| // final BigInt accountBandWidth = ownerAccountResource.howManyBandwIth; | ||
|
|
||
| // /// Only when we have the total bandwidth in our account, we will set the total amount of bandwidth to zero | ||
| // if (accountBandWidth >= BigInt.from(needBandiwdth)) { | ||
| // needBandiwdth = 0; | ||
| // } | ||
|
|
||
| // /// ok now we must add to total burn | ||
| // if (needBandiwdth > 0) { | ||
| // totalBurnInSun += needBandiwdth * chainParams.getTransactionFee!; | ||
| // } | ||
| // if (needBandWidthToBurn > 0) { | ||
| // totalBurnInSun += needBandWidthToBurn * chainParams.getTransactionFee!; | ||
| // } | ||
|
|
||
| // /// now we replace transaction fee limit with total burn | ||
| // rawTr = rawTr.copyWith(feeLimit: BigInt.from(totalBurnInSun)); | ||
|
|
||
| // // txID | ||
| // final _ = rawTr.txID; | ||
|
|
||
| // /// get transaaction digest and sign with private key | ||
| // final sign = prv.sign(rawTr.toBuffer()); | ||
| // print("sig ${sign.length}"); | ||
| // return; | ||
|
|
||
| // /// create transaction object and add raw data and signature to this | ||
| // final transaction = Transaction(rawData: rawTr, signature: [sign]); | ||
|
|
||
| // /// get raw data buffer | ||
| // final raw = BytesUtils.toHexString(transaction.toBuffer()); | ||
|
|
||
| // /// send transaction to network | ||
| // await rpc.request(TronRequestBroadcastHex(transaction: raw)); | ||
|
|
||
| // /// https://shasta.tronscan.org/#/transaction/a7f39b66145aa2dd14f03557000e069230c91f60e46cc7b516ab00f87a854c31 | ||
| } | ||
| void main() async {} |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| export 'builder/tranasction_builder_utils.dart'; | ||
| export 'builder/transaction_builder.dart'; |
27 changes: 27 additions & 0 deletions
27
lib/ada/src/builder/builder/tranasction_builder_utils.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| import 'package:on_chain/ada/src/address/address.dart'; | ||
| import 'package:on_chain/ada/src/models/constant.dart'; | ||
| import 'package:on_chain/ada/src/models/fixed_bytes/models/models.dart'; | ||
|
|
||
| import '../../models/transaction/witnesses/witnesses.dart'; | ||
|
|
||
| class ADATransactionBuilderUtils { | ||
| static BootstrapWitness fakeBootStrapWitness(String byronAddr) { | ||
| final address = ADAByronAddress(byronAddr); | ||
| return BootstrapWitness( | ||
| vkey: Vkey( | ||
| List<int>.filled(AdaTransactionConstant.blake2b256DigestSize, 0)), | ||
| signature: Ed25519Signature( | ||
| List<int>.filled(AdaTransactionConstant.signatureLength, 0)), | ||
| chainCode: | ||
| List<int>.filled(AdaTransactionConstant.blake2b256DigestSize, 0), | ||
| attributes: address.attributeSerialize()); | ||
| } | ||
|
|
||
| static Vkeywitness fakeVkeyWitnessWitness() { | ||
| return Vkeywitness( | ||
| vKey: Vkey( | ||
| List<int>.filled(AdaTransactionConstant.blake2b256DigestSize, 0)), | ||
| signature: Ed25519Signature( | ||
| List<int>.filled(AdaTransactionConstant.signatureLength, 0))); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| import 'dart:developer'; | ||
|
|
||
| import 'package:blockchain_utils/blockchain_utils.dart'; | ||
| import 'package:on_chain/ada/src/address/address.dart'; | ||
| import 'package:on_chain/ada/src/builder/builder/tranasction_builder_utils.dart'; | ||
| import 'package:on_chain/ada/src/models/ada_models.dart'; | ||
| import 'package:on_chain/ada/src/provider/provider.dart'; | ||
|
|
||
| typedef ONSignADA = ADABaseTransactionWitness Function( | ||
| {required List<int> digest, required ADAAddress address}); | ||
|
|
||
| class ADATransactionBuilder { | ||
| ADATransactionBuilder({ | ||
| required this.utxos, | ||
| required List<TransactionOutput> outputs, | ||
| this.metadata, | ||
| }) : _outputs = List<TransactionOutput>.unmodifiable(outputs); | ||
| final List<ADAAccountUTXOResponse> utxos; | ||
| final GeneralTransactionMetadata? metadata; | ||
| List<TransactionOutput> _outputs; | ||
| List<TransactionOutput> get outputs => List<TransactionOutput>.from(_outputs); | ||
| BigInt? _fee; | ||
| BigInt? get fee => _fee; | ||
|
|
||
| void setFee(BigInt fee) => _fee = fee; | ||
|
|
||
| BigInt get sumOflovelace { | ||
| return utxos.sumOflovelace; | ||
| } | ||
|
|
||
| MultiAsset get multiAsset { | ||
| return utxos.multiAsset; | ||
| } | ||
|
|
||
| List<ADAAddress> get signers { | ||
| final Set<String> addresses = utxos.map((e) => e.address).toSet(); | ||
| return addresses.map((e) => ADAAddress.fromAddress(e)).toList(); | ||
| } | ||
|
|
||
| TransactionOutput? _changeOutput(ADAAddress addr) { | ||
| final lovelence = | ||
| (utxos.sumOflovelace - (_outputs.sumOflovelace + (fee ?? BigInt.zero))); | ||
| final multiAsset = utxos.multiAsset; | ||
| final asset = multiAsset - _outputs.multiAsset; | ||
| if (lovelence.isNegative) { | ||
| throw MessageException("Insufficient input in transaction.", details: { | ||
| "utxo lovelence": utxos.sumOflovelace, | ||
| "output lovelence": _outputs.sumOflovelace | ||
| }); | ||
| } | ||
|
|
||
| if (lovelence > BigInt.zero || asset.hasAsset) { | ||
| return TransactionOutput( | ||
| address: addr, | ||
| amount: Value( | ||
| coin: lovelence, multiAsset: asset.hasAsset ? asset : null)); | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| int estimateSize({ADAAddress? onChangeAddress}) { | ||
| if (utxos.isEmpty || _outputs.isEmpty) { | ||
| throw MessageException("Utxos and outputs must not be not empty."); | ||
| } | ||
| // final change = _changeOutput(onChangeAddress ?? utxos.first.toAdddress); | ||
| final outs = _outputs.map((e) { | ||
| if (e.amount.coin == BigInt.zero) { | ||
| return e.copyWith(amount: e.amount.copyWith(coin: maxU64)); | ||
| } | ||
| return e; | ||
| }).toList(); | ||
| log("outs: $outs"); | ||
| final transactionSigners = signers; | ||
| final aux = auxiliaryData; | ||
| final ADATransaction transaction = ADATransaction( | ||
| data: aux, | ||
| body: TransactionBody( | ||
| inputs: utxos.map((e) => e.toInput).toList(), | ||
| outputs: outs, | ||
| fee: BigInt.from(mask32), | ||
| auxiliaryDataHash: aux?.toHash()), | ||
| witnessSet: TransactionWitnessSet( | ||
| bootstraps: transactionSigners | ||
| .where((element) => element.addressType == ADAAddressType.byron) | ||
| .map((e) => | ||
| ADATransactionBuilderUtils.fakeBootStrapWitness(e.address)) | ||
| .toList(), | ||
| vKeys: transactionSigners | ||
| .where((element) => element.addressType != ADAAddressType.byron) | ||
| .map((e) => ADATransactionBuilderUtils.fakeVkeyWitnessWitness()) | ||
| .toList(), | ||
| ), | ||
| ); | ||
| return transaction.size; | ||
| } | ||
|
|
||
| Future<void> calculateFees(BlockforestProvider provider) async { | ||
| final protocol = await provider | ||
| .request(BlockfrostRequestLatestEpochProtocolParameters()); | ||
| _fee = BigInt.from(protocol.minFeeA * estimateSize() + protocol.minFeeB); | ||
| } | ||
|
|
||
| TransactionOutput? onChangeAddress(ADAAddress onChangeAddress) { | ||
| if (_fee == null) { | ||
| throw MessageException( | ||
| "please calculation the transaction fees befor using change address."); | ||
| } | ||
| final change = _changeOutput(onChangeAddress); | ||
| if (change != null) { | ||
| _outputs = [..._outputs, change]; | ||
| } | ||
| return change; | ||
| } | ||
|
|
||
| AuxiliaryData? get auxiliaryData { | ||
| if (metadata == null) return null; | ||
| return AuxiliaryData(metadata: metadata); | ||
| } | ||
|
|
||
| TransactionBody buildTxBody({AuxiliaryDataHash? auxHash}) { | ||
| if (fee == null) { | ||
| throw MessageException( | ||
| "cannot build transaction body before calculation fee."); | ||
| } | ||
| return TransactionBody( | ||
| fee: fee!, | ||
| inputs: utxos.map((e) => e.toInput).toList(), | ||
| outputs: outputs, | ||
| auxiliaryDataHash: auxHash); | ||
| } | ||
|
|
||
| ADATransaction signAndBuildTransaction(ONSignADA onSignADA) { | ||
| _validateAmounts(); | ||
| final aux = auxiliaryData; | ||
| final trBody = buildTxBody(auxHash: aux?.toHash()); | ||
| final bodyHash = List<int>.unmodifiable(trBody.toHash().data); | ||
| final List<ADABaseTransactionWitness> witnesses = []; | ||
| final transactionSigners = signers; | ||
|
|
||
| for (final i in transactionSigners) { | ||
| final wit = onSignADA(address: i, digest: bodyHash); | ||
| witnesses.add(wit); | ||
| } | ||
| return ADATransaction( | ||
| body: trBody, | ||
| data: aux, | ||
| witnessSet: TransactionWitnessSet( | ||
| vKeys: witnesses.whereType<Vkeywitness>().toList(), | ||
| bootstraps: witnesses.whereType<BootstrapWitness>().toList())); | ||
| } | ||
|
|
||
| void _validateAmounts() { | ||
| final lovelence = | ||
| utxos.sumOflovelace - (outputs.sumOflovelace + (fee ?? BigInt.zero)); | ||
| final asset = utxos.multiAsset - outputs.multiAsset; | ||
| if (lovelence != BigInt.zero || asset != MultiAsset.empty) { | ||
| throw MessageException( | ||
| "The amount of inputs and outputs is not calculated correctly", | ||
| details: {"lovelence": lovelence, "asset": asset}); | ||
| } | ||
| } | ||
| } |
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