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Merge pull request #419 from BifrostTitan/master
Added compute budget program, priority fees and versioned transactions. Bug fixes and more
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| using Solnet.Programs.Utilities; | ||
| using Solnet.Rpc.Models; | ||
| using Solnet.Wallet; | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
|
|
||
| namespace Solnet.Programs | ||
| { | ||
| /// <summary> | ||
| /// Implements the ComputeBudget Program methods. | ||
| /// <remarks> | ||
| /// For more information see: https://spl.solana.com/memo | ||
| /// </remarks> | ||
| /// </summary> | ||
|
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||
| public class ComputeBudgetProgram | ||
| { | ||
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| /// <summary> | ||
| /// The public key of the ComputeBudget Program. | ||
| /// </summary> | ||
| public static readonly PublicKey ProgramIdKey = new("ComputeBudget111111111111111111111111111111"); | ||
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| /// <summary> | ||
| /// The program's name. | ||
| /// </summary> | ||
| private const string ProgramName = "Compute Budget Program"; | ||
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| /// <summary> | ||
| /// Request HeapFrame Instruction related to Priority Fees | ||
| /// </summary> | ||
| /// <param name="bytes"></param> | ||
| /// <returns></returns> | ||
| public static TransactionInstruction RequestHeapFrame(uint bytes) | ||
| { | ||
| List<AccountMeta> keys = new(); | ||
|
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| byte[] instructionBytes = new byte[17]; | ||
| instructionBytes.WriteU8(1, 0); | ||
| instructionBytes.WriteU32(bytes, 1); | ||
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| return new TransactionInstruction | ||
| { | ||
| ProgramId = ProgramIdKey.KeyBytes, | ||
| Keys = keys, | ||
| Data = instructionBytes | ||
| }; | ||
| } | ||
| /// <summary> | ||
| /// Set Compute Unit Limit Instruction for Priority Fees | ||
| /// </summary> | ||
| /// <param name="units"></param> | ||
| /// <returns></returns> | ||
| public static TransactionInstruction SetComputeUnitLimit(uint units) | ||
| { | ||
| List<AccountMeta> keys = new(); | ||
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| byte[] instructionBytes = new byte[9]; | ||
| instructionBytes.WriteU8(2, 0); | ||
| instructionBytes.WriteU64(units, 1); | ||
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| return new TransactionInstruction | ||
| { | ||
| ProgramId = ProgramIdKey.KeyBytes, | ||
| Keys = keys, | ||
| Data = instructionBytes | ||
| }; | ||
| } | ||
| /// <summary> | ||
| /// Set Compute Unit Price Instruction for Priority Fees | ||
| /// </summary> | ||
| /// <param name="priority_rate"></param> | ||
| /// <returns></returns> | ||
| public static TransactionInstruction SetComputeUnitPrice(ulong priority_rate) | ||
| { | ||
| List<AccountMeta> keys = new(); | ||
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| byte[] instructionBytes = new byte[9]; | ||
| instructionBytes.WriteU8(3, 0); | ||
| instructionBytes.WriteU64(priority_rate, 1); | ||
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| return new TransactionInstruction | ||
| { | ||
| ProgramId = ProgramIdKey.KeyBytes, | ||
| Keys = keys, | ||
| Data = instructionBytes | ||
| }; | ||
| } | ||
|
|
||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| using Solnet.Rpc.Models; | ||
| using Solnet.Rpc.Utilities; | ||
| using Solnet.Wallet; | ||
| using Solnet.Wallet.Utilities; | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
| using System.Linq; | ||
| using static Solnet.Rpc.Models.Message; | ||
|
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||
| namespace Solnet.Rpc.Builders | ||
| { | ||
| /// <summary> | ||
| /// A compiled instruction within the message. | ||
| /// </summary> | ||
| public class VersionedMessageBuilder : MessageBuilder | ||
| { | ||
|
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| /// <summary> | ||
| /// Address Table Lookups | ||
| /// </summary> | ||
| public List<MessageAddressTableLookup> AddressTableLookups { get; set; } | ||
| public IList<PublicKey> AccountKeys { get; internal set; } | ||
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| /// <summary> | ||
| /// Builds the message into the wire format. | ||
| /// </summary> | ||
| /// <returns>The encoded message.</returns> | ||
| internal override byte[] Build() | ||
| { | ||
| if (RecentBlockHash == null && NonceInformation == null) | ||
| throw new Exception("recent block hash or nonce information is required"); | ||
| if (Instructions == null) | ||
| throw new Exception("no instructions provided in the transaction"); | ||
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| // In case the user specified nonce information, we'll use it. | ||
| if (NonceInformation != null) | ||
| { | ||
| RecentBlockHash = NonceInformation.Nonce; | ||
| _accountKeysList.Add(NonceInformation.Instruction.Keys); | ||
| _accountKeysList.Add(AccountMeta.ReadOnly(new PublicKey(NonceInformation.Instruction.ProgramId), | ||
| false)); | ||
| List<TransactionInstruction> newInstructions = new() { NonceInformation.Instruction }; | ||
| newInstructions.AddRange(Instructions); | ||
| Instructions = newInstructions; | ||
| } | ||
|
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| _messageHeader = new MessageHeader(); | ||
|
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| List<AccountMeta> keysList = GetAccountKeys(); | ||
| byte[] accountAddressesLength = ShortVectorEncoding.EncodeLength(keysList.Count); | ||
| int compiledInstructionsLength = 0; | ||
| List<CompiledInstruction> compiledInstructions = new(); | ||
|
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| foreach (TransactionInstruction instruction in Instructions) | ||
| { | ||
| int keyCount = instruction.Keys.Count; | ||
| byte[] keyIndices = new byte[keyCount]; | ||
|
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| if (instruction.GetType() == typeof(VersionedTransactionInstruction)) | ||
| { | ||
| keyIndices = ((VersionedTransactionInstruction)instruction).KeyIndices; | ||
| } | ||
| else | ||
| { | ||
| for (int i = 0; i < keyCount; i++) | ||
| { | ||
| keyIndices[i] = FindAccountIndex(keysList, instruction.Keys[i].PublicKey); | ||
| } | ||
| } | ||
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| CompiledInstruction compiledInstruction = new() | ||
| { | ||
| ProgramIdIndex = FindAccountIndex(keysList, instruction.ProgramId), | ||
| KeyIndicesCount = ShortVectorEncoding.EncodeLength(keyIndices.Length), | ||
| KeyIndices = keyIndices, | ||
| DataLength = ShortVectorEncoding.EncodeLength(instruction.Data.Length), | ||
| Data = instruction.Data | ||
| }; | ||
| compiledInstructions.Add(compiledInstruction); | ||
| compiledInstructionsLength += compiledInstruction.Length(); | ||
| } | ||
|
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| int accountKeysBufferSize = _accountKeysList.AccountList.Count * 32; | ||
| MemoryStream accountKeysBuffer = new MemoryStream(accountKeysBufferSize); | ||
| byte[] instructionsLength = ShortVectorEncoding.EncodeLength(compiledInstructions.Count); | ||
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| foreach (AccountMeta accountMeta in keysList) | ||
| { | ||
| accountKeysBuffer.Write(accountMeta.PublicKeyBytes, 0, accountMeta.PublicKeyBytes.Length); | ||
| if (accountMeta.IsSigner) | ||
| { | ||
| _messageHeader.RequiredSignatures += 1; | ||
| if (!accountMeta.IsWritable) | ||
| _messageHeader.ReadOnlySignedAccounts += 1; | ||
| } | ||
| else | ||
| { | ||
| if (!accountMeta.IsWritable) | ||
| _messageHeader.ReadOnlyUnsignedAccounts += 1; | ||
| } | ||
| } | ||
|
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| #region Build Message Body | ||
|
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| int messageBufferSize = MessageHeader.Layout.HeaderLength + BlockHashLength + | ||
| accountAddressesLength.Length + | ||
| +instructionsLength.Length + compiledInstructionsLength + accountKeysBufferSize; | ||
| MemoryStream buffer = new MemoryStream(messageBufferSize); | ||
| byte[] messageHeaderBytes = _messageHeader.ToBytes(); | ||
|
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| buffer.Write(new byte[] { 128 }, 0, 1); | ||
| buffer.Write(messageHeaderBytes, 0, messageHeaderBytes.Length); | ||
| buffer.Write(accountAddressesLength, 0, accountAddressesLength.Length); | ||
| buffer.Write(accountKeysBuffer.ToArray(), 0, accountKeysBuffer.ToArray().Length); | ||
| var encodedRecentBlockHash = Encoders.Base58.DecodeData(RecentBlockHash); | ||
| buffer.Write(encodedRecentBlockHash, 0, encodedRecentBlockHash.Length); | ||
| buffer.Write(instructionsLength, 0, instructionsLength.Length); | ||
|
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| foreach (CompiledInstruction compiledInstruction in compiledInstructions) | ||
| { | ||
| buffer.WriteByte(compiledInstruction.ProgramIdIndex); | ||
| buffer.Write(compiledInstruction.KeyIndicesCount, 0, compiledInstruction.KeyIndicesCount.Length); | ||
| buffer.Write(compiledInstruction.KeyIndices, 0, compiledInstruction.KeyIndices.Length); | ||
| buffer.Write(compiledInstruction.DataLength, 0, compiledInstruction.DataLength.Length); | ||
| buffer.Write(compiledInstruction.Data, 0, compiledInstruction.Data.Length); | ||
| } | ||
|
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| #endregion | ||
|
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| var serializeAddressTableLookups = AddressTableLookupUtils.SerializeAddressTableLookups(AddressTableLookups); | ||
| buffer.Write(serializeAddressTableLookups, 0, serializeAddressTableLookups.Length); | ||
|
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| return buffer.ToArray(); | ||
| } | ||
| } | ||
| } |
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