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V6.0.0
- Update dependencies. - Added Sui Network support. - Added Aptos Network support.
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‎CHANGELOG.md‎

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## 6.0.0
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- Update dependencies.
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- Added Sui Network support.
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- Added Aptos Network support.
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## 5.1.0
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- Update dependencies.

‎README.md‎

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‎example/lib/example/aptos/api_methods.dart‎

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import 'package:on_chain/on_chain.dart';
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import 'provider_example.dart';
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final AptosProvider aptosProvider =
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AptosProvider(AptosHttpService("https://api.testnet.aptoslabs.com/"));
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Future<AptosApiAccountData> getAccountInfo(AptosAddress address) async {
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final r =
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await aptosProvider.request(AptosRequestGetAccount(address: address));
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return r;
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}
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Future<BigInt> getAccountSequence(AptosAddress address) async {
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final r =
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await aptosProvider.request(AptosRequestGetAccount(address: address));
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return r.sequenceNumber;
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}
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Future<String> simulate(AptosSignedTransaction transaction) async {
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final r = await aptosProvider.request(AptosRequestSubmitTransaction(
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signedTransactionData: transaction.toBcs()));
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return r.hash;
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}
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Future<int> getChainId() async {
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final r = await aptosProvider.request(AptosRequestGetLedgerInfo());
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return r.chainId;
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}
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Future<BigInt> gasEstimate() async {
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final r = await aptosProvider.request(AptosRequestEstimateGasPrice());
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return BigInt.from(r.gasEstimate);
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}

‎example/lib/example/aptos/batch_transfer_example.dart‎

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import 'package:on_chain/on_chain.dart';
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import 'api_methods.dart';
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void main() async {
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AptosEd25519Account getAccount() {
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return AptosEd25519Account(
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AptosED25519PrivateKey.fromBytes(List<int>.filled(32, 12)));
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}
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final recipient1 = AptosAddress(
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"0x89dd43dcedf165f975202fae5f8aecf03013ebc14bb3c09a1431313b4ee52b02");
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final recipient2 = AptosAddress(
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"0xf9761c71494a2c4e3f989302f68ed03f83cd521dc1c22441fcc1aee4b324723d");
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final account = getAccount();
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final transactionPayload = AptosTransactionPayloadEntryFunction(
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entryFunction: AptosTransactionEntryFunction(
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moduleId:
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AptosModuleId(address: AptosAddress.one, name: "aptos_account"),
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functionName: 'batch_transfer',
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typeArgs: [],
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args: [
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MoveVector<AptosAddress>([recipient1, recipient2]),
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MoveVector<MoveU64>([MoveU64.aptos("0.0001"), MoveU64.aptos("0.0002")])
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]));
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final gasUnitPrice = await gasEstimate();
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final sequenceNumber = await getAccountSequence(account.toAddress());
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final chainId = await getChainId();
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final expire =
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DateTime.now().add(const Duration(minutes: 5)).millisecondsSinceEpoch ~/
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1000;
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final transaction = AptosRawTransaction(
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sender: account.toAddress(),
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sequenceNumber: sequenceNumber,
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transactionPayload: transactionPayload,
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maxGasAmount: BigInt.from(200000),
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gasUnitPrice: gasUnitPrice,
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expirationTimestampSecs: BigInt.from(expire),
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chainId: chainId);
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final authenticator = account.signWithAuth(transaction.signingSerialize());
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final signedTx = AptosSignedTransaction(
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rawTransaction: transaction,
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authenticator: AptosTransactionAuthenticatorEd25519(
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publicKey: authenticator.publicKey,
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signature: authenticator.signature));
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await simulate(signedTx);
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/// https://explorer.aptoslabs.com/txn/0x392868c085edc7ee6e260996e235190d320d38b28eaa8a28e23a52f1362d66d5?network=testnet
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}

‎example/lib/example/aptos/create_object_using_script_transaction_example.dart‎

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import 'package:blockchain_utils/utils/binary/utils.dart';
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import 'package:on_chain/on_chain.dart';
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import 'api_methods.dart';
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void main() async {
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AptosSingleKeyAccount getAccount() {
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final account =
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AptosSecp256k1PrivateKey.fromBytes(List<int>.filled(32, 25));
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return AptosSingleKeyAccount(account);
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}
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final sender = getAccount();
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const script =
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"0xa11ceb0b060000000601000402040403080a051209071b3608512000000001000302000102000200000402030001060c000105010800066f626a656374067369676e65720a616464726573735f6f660e436f6e7374727563746f725265660d6372656174655f6f626a6563740000000000000000000000000000000000000000000000000000000000000001000001050b00110011010102";
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final transactionPayload = AptosTransactionPayloadScript(
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script: AptosScript(
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byteCode: BytesUtils.fromHexString(script),
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typeArgs: [],
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arguments: []));
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final gasUnitPrice = await gasEstimate();
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final sequenceNumber = await getAccountSequence(sender.publicKey.toAddress());
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final chainId = await getChainId();
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final expire =
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DateTime.now().add(const Duration(minutes: 5)).millisecondsSinceEpoch ~/
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1000;
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final transaction = AptosRawTransaction(
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sender: sender.publicKey.toAddress(),
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sequenceNumber: sequenceNumber,
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transactionPayload: transactionPayload,
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maxGasAmount: BigInt.from(200000),
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gasUnitPrice: gasUnitPrice,
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expirationTimestampSecs: BigInt.from(expire),
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chainId: chainId);
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final authenticator = sender.signWithAuth(transaction.signingSerialize());
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final signedTx = AptosSignedTransaction(
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rawTransaction: transaction,
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authenticator: AptosTransactionAuthenticatorSignleSender(authenticator));
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await simulate(signedTx);
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/// https://explorer.aptoslabs.com/txn/0x9fc9c8bc59b7897a549ac39562393924cf1da916c1f91ade52261c9239dcca3a/changes?network=testnet
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}

‎example/lib/example/aptos/hd_wallet.dart‎

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// ignore_for_file: unused_local_variable
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import 'package:blockchain_utils/blockchain_utils.dart';
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import 'package:on_chain/on_chain.dart';
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void main() {
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const passphrase = "MRTNETWORK";
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final mnemonic =
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Bip39MnemonicGenerator().fromWordsNumber(Bip39WordsNum.wordsNum24);
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final seed = Bip39SeedGenerator(mnemonic).generate(passphrase);
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final wallet = Bip44.fromSeed(seed, Bip44Coins.aptos);
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final defaultPath = wallet.deriveDefaultPath;
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final address = AptosAddress(defaultPath.publicKey.toAddress);
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final account = AptosEd25519Account(
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AptosED25519PrivateKey.fromBytes(defaultPath.privateKey.raw));
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}

‎example/lib/example/aptos/mint_token_example.dart‎

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import 'package:on_chain/on_chain.dart';
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import 'api_methods.dart';
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void main() async {
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/// the token created in `publish_ft_token_module_example` example
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AptosEd25519Account getAccount() {
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final account = AptosED25519PrivateKey.fromBytes(List<int>.filled(32, 36));
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return AptosEd25519Account(account);
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}
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final account = getAccount();
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final transactionPayload = AptosTransactionPayloadEntryFunction(
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entryFunction: AptosTransactionEntryFunction(
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moduleId: AptosModuleId(address: account.toAddress(), name: "dog"),
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functionName: 'mint',
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args: [account.toAddress(), MoveU64(BigInt.from(100000))]));
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final gasUnitPrice = await gasEstimate();
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final sequenceNumber = await getAccountSequence(account.toAddress());
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final chainId = await getChainId();
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final expire =
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DateTime.now().add(const Duration(minutes: 5)).millisecondsSinceEpoch ~/
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1000;
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final transaction = AptosRawTransaction(
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sender: account.toAddress(),
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sequenceNumber: sequenceNumber,
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transactionPayload: transactionPayload,
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maxGasAmount: BigInt.from(200000),
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gasUnitPrice: gasUnitPrice,
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expirationTimestampSecs: BigInt.from(expire),
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chainId: chainId);
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final serializeSign = transaction.signingSerialize();
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final authenticator = account.signWithAuth(serializeSign);
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final signedTx = AptosSignedTransaction(
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rawTransaction: transaction,
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authenticator: AptosTransactionAuthenticatorEd25519(
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publicKey: authenticator.publicKey,
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signature: authenticator.signature));
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await simulate(signedTx);
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/// https://explorer.aptoslabs.com/txn/0xf2e42c3bdff11f28c0e21884c9378cb20ac947880ca447d073c27b8cbc6a5a1b?network=testnet
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}

‎example/lib/example/aptos/multi_agent_transfer_object_using_script_example.dart‎

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import 'package:blockchain_utils/utils/binary/utils.dart';
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import 'package:on_chain/on_chain.dart';
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import 'api_methods.dart';
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void main() async {
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AptosSingleKeyAccount getRecipient() {
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final account = AptosED25519PrivateKey.fromBytes(List<int>.filled(32, 26));
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return AptosSingleKeyAccount(account);
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}
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AptosSingleKeyAccount getAccount() {
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final account =
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AptosSecp256k1PrivateKey.fromBytes(List<int>.filled(32, 25));
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return AptosSingleKeyAccount(account);
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}
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final sender = getAccount();
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final recipient = getRecipient();
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const String script =
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"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";
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final AptosAddress objectAddress = AptosAddress(
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"0x25bee59257280e4361b733d2cf9f320a1a8e2e5a6e760a79875f9dfcab05a0b0");
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final transactionPayload = AptosTransactionPayloadScript(
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script:
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AptosScript(byteCode: BytesUtils.fromHexString(script), typeArgs: [
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AptosTypeTagStruct(AptosStructTag(
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address: AptosAddress("0x1"),
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moduleName: 'aptos_coin',
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name: 'AptosCoin'))
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], arguments: [
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objectAddress,
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MoveU64(BigInt.from(100))
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]));
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final gasUnitPrice = await gasEstimate();
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final sequenceNumber = await getAccountSequence(sender.publicKey.toAddress());
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final chainId = await getChainId();
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final expire =
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DateTime.now().add(const Duration(minutes: 5)).millisecondsSinceEpoch ~/
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1000;
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final transaction = AptosRawTransaction(
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sender: sender.publicKey.toAddress(),
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sequenceNumber: sequenceNumber,
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transactionPayload: transactionPayload,
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maxGasAmount: BigInt.from(200000),
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gasUnitPrice: gasUnitPrice,
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expirationTimestampSecs: BigInt.from(expire),
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chainId: chainId);
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final digest = transaction.signingSerialize(
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secondarySignerAddresses: [recipient.publicKey.toAddress()]);
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final authenticator = sender.signWithAuth(digest);
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final recipientAuthenticator = recipient.signWithAuth(digest);
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final txauthenticator = AptosTransactionAuthenticatorMultiAgent(
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sender: authenticator,
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secondarySigner: [recipientAuthenticator],
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secondarySignerAddressess: [recipient.publicKey.toAddress()]);
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final signedTx = AptosSignedTransaction(
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rawTransaction: transaction, authenticator: txauthenticator);
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await simulate(signedTx);
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/// https://explorer.aptoslabs.com/txn/0xd23a797626830900976b198fcbce513ddd439ac9b3e8240630fdaee3a0feb42b?network=testnet
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}

‎example/lib/example/aptos/parsing_dynamic_argument_example.dart‎

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import 'package:on_chain/on_chain.dart';
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import 'api_methods.dart';
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void main() async {
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final module = await aptosProvider.request(AptosRequestGetAccountModule(
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address: AptosAddress("0x1"), moduleName: "aptos_governance"));
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final function = module.abi.findViewFunction("get_remaining_voting_power");
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final arguments = AptosFunctionEntryArgumentUtils.parseArguments(
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function: function,
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values: [
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"0xba08cec00a8cfa1deff6c9212dda8d198c8fa6ee1992f3ada76d645f99e3402b",
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0
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]);
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await aptosProvider.request(AptosRequestExecuteViewFunctionOfaModule.bcs(
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entry: AptosTransactionEntryFunction(
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moduleId: AptosModuleId(
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address: AptosAddress("0x1"),
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name: "aptos_governance"), // Governance module
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functionName: "get_remaining_voting_power", // Function to execute
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args: arguments)));
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}

‎example/lib/example/aptos/provider_example.dart‎

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import 'package:http/http.dart';
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import 'package:on_chain/on_chain.dart';
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class AptosHttpService implements AptosServiceProvider {
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AptosHttpService(this.url,
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{Client? client, this.defaultTimeOut = const Duration(seconds: 30)})
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: client = client ?? Client();
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final String url;
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final Client client;
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final Duration defaultTimeOut;
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@override
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Future<AptosServiceResponse<T>> doRequest<T>(AptosRequestDetails params,
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{Duration? timeout}) async {
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final url = params.toUri(this.url);
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final defaultTimeOut = timeout ?? this.defaultTimeOut;
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if (params.type.isPostRequest) {
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final response = await client
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.post(url, headers: params.headers, body: params.body())
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.timeout(defaultTimeOut);
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return params.parseResponse(response.bodyBytes, response.statusCode);
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}
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final response =
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await client.get(url, headers: params.headers).timeout(defaultTimeOut);
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return params.parseResponse(response.bodyBytes, response.statusCode);
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}
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}
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void main() async {
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/// Provider examples
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/// Initialize the AptosProvider with the Testnet HTTP service endpoint
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final AptosProvider provider =
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AptosProvider(AptosHttpService("https://api.testnet.aptoslabs.com/"));
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/// Define an Aptos address to interact with
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final address = AptosAddress(
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"0x89dd43dcedf165f975202fae5f8aecf03013ebc14bb3c09a1431313b4ee52b02");
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/// Request account details for the specified address
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await provider.request(AptosRequestGetAccount(address: address));
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/// Fetch the transaction history for the specified address
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await provider.request(AptosRequestGetAccountTransactions(address: address));
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/// Retrieve all recent transactions from the Aptos network
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await provider.request(AptosRequestGetTransactions());
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/// Execute a view function from the 'aptos_governance' module to get remaining voting power
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await provider.request(AptosRequestExecuteViewFunctionOfaModule.bcs(
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entry: AptosTransactionEntryFunction(
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moduleId: AptosModuleId(
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address: AptosAddress("0x1"),
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name: "aptos_governance"), // Governance module
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functionName: "get_remaining_voting_power", // Function to execute
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args: [
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// Address to check voting power for
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AptosAddress(
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"0xba08cec00a8cfa1deff6c9212dda8d198c8fa6ee1992f3ada76d645f99e3402b"),
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MoveU64(BigInt.one) // Argument representing the proposal ID or context
61+
])));
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final dynamicResult =
64+
await provider.requestDynamic(AptosRequestGetAccount(address: address));
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// ignore: unused_local_variable
66+
final authentication = dynamicResult["authentication_key"];
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/// ...
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}

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