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feat: claim a claimable balance #7

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merged 3 commits into from
Jan 27, 2025
Merged

feat: claim a claimable balance #7

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702c746
feat: claim a claimable balance
hugoheer Jan 23, 2025
576b29f
Update StellarAssetSdk.Tests/AssetIssuerTest.cs
hugo-heer Jan 24, 2025
3fd84fb
Update StellarAssetSdk/AssetIssuer.cs
hugo-heer Jan 24, 2025
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3 changes: 0 additions & 3 deletions StellarAssetSdk.Tests/AssetIssuerTest.cs
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Original file line number Diff line number Diff line change
@@ -1,8 +1,6 @@
using System;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using StellarDotnetSdk;

namespace StellarAssetSdk.Tests;

Expand All @@ -22,7 +20,6 @@ public async Task GenerateAccount()
{
var server = StellarAssetSdk.Server.Local();
var res = await server.GenerateAndFund();

Console.WriteLine(res.AccountId);
var account = await server.RpcServer.GetAccount(res.AccountId);
Console.WriteLine(account.SequenceNumber);
Expand Down
21 changes: 19 additions & 2 deletions StellarAssetSdk/AssetIssuer.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
using Transaction = StellarDotnetSdk.Transactions.Transaction;
using Asset = StellarDotnetSdk.Assets.Asset;
using ClaimPredicate = StellarDotnetSdk.Claimants.ClaimPredicate;
using dotnetstandard_bip32;


namespace StellarAssetSdk;
Expand All @@ -26,7 +27,7 @@

public readonly Asset Eurcv = new Eurcv(sgIssuer);
public readonly Account SgIssuer = sgIssuer;
public readonly Account SgOperator = sgOperator;

Check warning on line 30 in StellarAssetSdk/AssetIssuer.cs

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GitHub Actions / pack_and_test 

Parameter 'Account sgOperator' is captured into the state of the enclosing type and its value is also used to initialize a field, property, or event.

/*
# Example of issuing an asset
Expand Down Expand Up @@ -175,7 +176,23 @@
*/
public async Task<Transaction> ClaimClaimableBalanceTransaction(Account receiver, byte[] claimableBalanceId)
{
// TODO: use example above
throw new NotImplementedException("ClaimClaimableBalanceTransaction");
// Adding some zeros to match the real claimable balance id
var claimableIdHex = claimableBalanceId.ToStringHex();

var setTrustlineFlags =
new SetTrustlineFlagsOperation(Eurcv, SgOperator.KeyPair, AuthorizeTrustline, NoFlags);
var clearSetTrustlineFlags =
new SetTrustlineFlagsOperation(Eurcv, SgOperator.KeyPair, NoFlags, AuthorizeTrustline);
var claimClaimableBalance =
new ClaimClaimableBalanceOperation(claimableIdHex, receiver.MuxedAccount);

var tx = await server.NewTransactionBuilder(SgIssuer);

return tx
.SetFee(1000)
.AddOperation(setTrustlineFlags)
.AddOperation(claimClaimableBalance)
.AddOperation(clearSetTrustlineFlags)
.Build();
}
}
19 changes: 5 additions & 14 deletions StellarAssetSdk/Runner.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,6 @@
using dotnetstandard_bip32;
using StellarDotnetSdk.Accounts;
using StellarDotnetSdk.Xdr;

namespace StellarAssetSdk;

public class Runner
Expand Down Expand Up @@ -42,22 +41,14 @@ public static async Task Run(Server server, KeyPair sgIssuer, KeyPair sgOperator
res = await server.SubmitTransaction(createClaimableBalance);
var txRes = TransactionResult.Decode(new XdrDataInputStream(Convert.FromBase64String(res.ResultXdr!)))!;
var resRes = txRes.Result.Results[0]!;

// Look up the ID for the claimable balance to be used to claim it.
var balanceId = resRes.Tr.CreateClaimableBalanceResult.BalanceID.V0.InnerValue!;
Console.WriteLine(balanceId.ToStringHex());

// Claim Balance
// TODO: use // ClaimClaimableBalanceTransaction
try
{
var claimBalance = await assetIssuer.ClaimClaimableBalanceTransaction(sgOperatorAccount, balanceId);
}
catch (NotImplementedException e)
{
Console.WriteLine(e.Message);
}


// Claim the claimable balance from sgOperator
var claimBalanceTx = await assetIssuer.ClaimClaimableBalanceTransaction(sgOperatorAccount, balanceId);
claimBalanceTx.Sign(sgOperator);
res = await server.SubmitTransaction(claimBalanceTx);
}
}
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