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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright 2022 Firedancer Contributors + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/radiance/archiveutil/archiveutil.go b/radiance/archiveutil/archiveutil.go new file mode 100644 index 00000000..201395ba --- /dev/null +++ b/radiance/archiveutil/archiveutil.go @@ -0,0 +1,56 @@ +// Package archiveutil helps dealing with common archive file formats. +package archiveutil + +import ( + "archive/tar" + "bufio" + "bytes" + "compress/bzip2" + "compress/gzip" + "fmt" + "io" +) + +// TODO: zstd support +// TODO: xz support + +// OpenTar opens a `.tar`, `.tar.gz`, or `.tar.bz2` file. +// +// Peeks the first few bytes in the given reader and auto-detects the file format. +// Returns a tar reader spliced together with a decompressor if necessary. +func OpenTar(rawRd io.Reader) (*tar.Reader, error) { + rd := bufio.NewReader(rawRd) + magicBytes, err := rd.Peek(6) + if err != nil { + return nil, fmt.Errorf("failed to detect magic: %w", err) + } + uncompressedRd := io.Reader(rd) + + // Check first few bytes for known compression magics. + if bytes.Equal(magicBytes[:2], []byte("BZ")) { + uncompressedRd = bzip2.NewReader(rd) + } else if bytes.Equal(magicBytes[:3], []byte{0x1f, 0x8b, 0x08}) { + uncompressedRd, err = gzip.NewReader(rd) + if err != nil { + return nil, fmt.Errorf("invalid .tar.gz: %w", err) + } + } else if bytes.Equal(magicBytes[:6], []byte{0xfd, 0x37, 0x7a, 0x58, 0x5a, 0x00}) { + return nil, fmt.Errorf(".tar.xz not supported yet") + } else if bytes.Equal(magicBytes[1:4], []byte{0xb5, 0x2f, 0xfd}) { + return nil, fmt.Errorf(".tar.zst not supported yet") + } else { + // Presumed uncompressed case. + // Peek and see if we can find a valid tar header. + peek, err := rd.Peek(1024) + if err != nil { + return nil, err + } + peekTar := tar.NewReader(bytes.NewReader(peek)) + if _, err = peekTar.Next(); err != nil { + // Doesn't seem to be a valid tar header, bail. + return nil, fmt.Errorf("unknown archive format") + } + } + + return tar.NewReader(uncompressedRd), nil +} diff --git a/radiance/genesis/file.go b/radiance/genesis/file.go new file mode 100644 index 00000000..2c4d411f --- /dev/null +++ b/radiance/genesis/file.go @@ -0,0 +1,72 @@ +package genesis + +import ( + "archive/tar" + "crypto/sha256" + "fmt" + "io" + "os" + + bin "github.com/gagliardetto/binary" + "github.com/rpcpool/yellowstone-faithful/radiance/archiveutil" +) + +// ReadGenesisFromFile is a convenience wrapper for ReadGenesisFromArchive. +func ReadGenesisFromFile(fpath string) (genesis *Genesis, hash *[32]byte, err error) { + f, err := os.Open(fpath) + if err != nil { + return nil, nil, err + } + defer f.Close() + return ReadGenesisFromArchive(f) +} + +// ReadGenesisFromArchive reads a `genesis.tar.bz2` file. +func ReadGenesisFromArchive(archive io.Reader) (genesis *Genesis, hash *[32]byte, err error) { + var files *tar.Reader + var hdr *tar.Header + files, err = archiveutil.OpenTar(archive) + if err != nil { + return + } + hdr, err = files.Next() + if err != nil { + return + } + if hdr.Name != "genesis.bin" { + err = fmt.Errorf("first file is not genesis.bin") + return + } + + // Read and hash first file + const maxSize = 10_000_001 + var rd io.Reader + rd = files + hasher := sha256.New() + rd = io.TeeReader(rd, hasher) + rd = io.LimitReader(rd, maxSize) + + // Decode content + var genesisBytes []byte + genesisBytes, err = io.ReadAll(rd) + if err != nil { + return + } + if len(genesisBytes) >= maxSize { + err = fmt.Errorf("genesis.bin too large") + return + } + genesis = new(Genesis) + dec := bin.NewBinDecoder(genesisBytes) + err = dec.Decode(genesis) + if err == nil { + if dec.HasRemaining() { + err = fmt.Errorf("not all of genesis.bin was read (%d bytes remaining)", dec.Remaining()) + } else { + hash = new([32]byte) + hasher.Sum(hash[:0]) + } + } + + return +} diff --git a/radiance/genesis/file_test.go b/radiance/genesis/file_test.go new file mode 100644 index 00000000..3a9f618c --- /dev/null +++ b/radiance/genesis/file_test.go @@ -0,0 +1,67 @@ +package genesis + +import ( + "os" + "path/filepath" + "testing" + "time" + + "github.com/gagliardetto/solana-go" + "github.com/rpcpool/yellowstone-faithful/radiance/runtime" + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" +) + +func TestReadGenesisFromArchive(t *testing.T) { + f, err := os.Open(filepath.Join("testdata", "mainnet", "genesis.tar.bz2")) + require.NoError(t, err) + defer f.Close() + genesis, _, err := ReadGenesisFromArchive(f) + require.NoError(t, err) + + assert.Equal(t, time.Date(2020, time.March, 16, 14, 29, 0, 0, time.UTC), genesis.CreationTime) + assert.Equal(t, int64(1584368940), genesis.CreationTime.Unix()) + assert.Equal(t, []BuiltinProgram{ + { + Key: "solana_config_program", + Pubkey: solana.MustPublicKeyFromBase58("Config1111111111111111111111111111111111111"), + }, + { + Key: "solana_stake_program", + Pubkey: solana.MustPublicKeyFromBase58("Stake11111111111111111111111111111111111111"), + }, + { + Key: "solana_system_program", + Pubkey: solana.MustPublicKeyFromBase58("11111111111111111111111111111111"), + }, + { + Key: "solana_vote_program", + Pubkey: solana.MustPublicKeyFromBase58("Vote111111111111111111111111111111111111111"), + }, + }, genesis.Builtins) + assert.Equal(t, uint64(0x40), genesis.TicksPerSlot) + assert.Equal(t, runtime.PohParams{ + TickDuration: 6250000, + HasHashesPerTick: true, + HashesPerTick: 12500, + HasTickCount: false, + }, genesis.PohParams) + assert.Equal(t, runtime.FeeParams{ + TargetLamportsPerSig: 10000, + TargetSigsPerSlot: 20000, + MinLamportsPerSig: 5000, + MaxLamportsPerSig: 100000, + BurnPercent: 100, + }, genesis.Fees) + assert.Equal(t, runtime.RentParams{ + LamportsPerByteYear: 3480, + ExemptionThreshold: 2, + BurnPercent: 100, + }, genesis.Rent) + assert.Equal(t, runtime.InflationParams{ /* empty */ }, genesis.Inflation) + assert.Equal(t, runtime.EpochSchedule{ + SlotPerEpoch: 432000, + LeaderScheduleSlotOffset: 432000, + }, genesis.EpochSchedule) + assert.Equal(t, uint32(1), genesis.ClusterID) +} diff --git a/radiance/genesis/genesis.go b/radiance/genesis/genesis.go new file mode 100644 index 00000000..a74bac67 --- /dev/null +++ b/radiance/genesis/genesis.go @@ -0,0 +1,38 @@ +package genesis + +import ( + "time" + + "github.com/rpcpool/yellowstone-faithful/radiance/runtime" +) + +// Genesis contains the genesis state of a Solana ledger. +type Genesis struct { + CreationTime time.Time + Accounts []AccountEntry + Builtins []BuiltinProgram + RewardPools []AccountEntry + TicksPerSlot uint64 + PohParams runtime.PohParams + Fees runtime.FeeParams + Rent runtime.RentParams + Inflation runtime.InflationParams + EpochSchedule runtime.EpochSchedule + ClusterID uint32 +} + +type AccountEntry struct { + Pubkey [32]byte + runtime.Account +} + +type BuiltinProgram struct { + Key string + Pubkey [32]byte +} + +func (g *Genesis) FillAccounts(state runtime.Accounts) { + for _, acc := range g.Accounts { + state.SetAccount(&acc.Pubkey, &acc.Account) + } +} diff --git a/radiance/genesis/serde.go b/radiance/genesis/serde.go new file mode 100644 index 00000000..b28808e9 --- /dev/null +++ b/radiance/genesis/serde.go @@ -0,0 +1,90 @@ +package genesis + +import ( + "io" + "time" + + bin "github.com/gagliardetto/binary" + "github.com/rpcpool/yellowstone-faithful/radiance/runtime" +) + +// Dumping ground for handwritten serialization boilerplate. +// To be removed when switching over to serde-generate. + +func (g *Genesis) UnmarshalWithDecoder(decoder *bin.Decoder) (err error) { + var raw struct { + CreationTime int64 + NumAccounts uint64 `bin:"sizeof=Accounts"` + Accounts []AccountEntry + NumBuiltins uint64 `bin:"sizeof=Builtins"` + Builtins []BuiltinProgram + NumRewardPools uint64 `bin:"sizeof=RewardPools"` + RewardPools []AccountEntry + TicksPerSlot uint64 + Padding00 uint64 + PohParams runtime.PohParams + Padding01 uint64 + Fees runtime.FeeParams + Rent runtime.RentParams + Inflation runtime.InflationParams + EpochSchedule runtime.EpochSchedule + ClusterID uint32 + } + if err = decoder.Decode(&raw); err != nil { + return err + } + *g = Genesis{ + CreationTime: time.Unix(raw.CreationTime, 0).UTC(), + Accounts: raw.Accounts, + Builtins: raw.Builtins, + RewardPools: raw.RewardPools, + TicksPerSlot: raw.TicksPerSlot, + PohParams: raw.PohParams, + Fees: raw.Fees, + Rent: raw.Rent, + Inflation: raw.Inflation, + EpochSchedule: raw.EpochSchedule, + ClusterID: raw.ClusterID, + } + return nil +} + +func (g *Genesis) MarshalWithEncoder(_ *bin.Encoder) (err error) { + // TODO not implemented + panic("not implemented") +} + +func (a *AccountEntry) UnmarshalWithDecoder(decoder *bin.Decoder) (err error) { + if err = decoder.Decode(&a.Pubkey); err != nil { + return err + } + return a.Account.UnmarshalWithDecoder(decoder) +} + +func (a *AccountEntry) MarshalWihEncoder(encoder *bin.Encoder) (err error) { + if err = encoder.WriteBytes(a.Pubkey[:], false); err != nil { + return err + } + return a.Account.MarshalWihEncoder(encoder) +} + +func (b *BuiltinProgram) UnmarshalWithDecoder(decoder *bin.Decoder) (err error) { + var strLen uint64 + if strLen, err = decoder.ReadUint64(bin.LE); err != nil { + return err + } + if strLen > uint64(decoder.Remaining()) { + return io.ErrUnexpectedEOF + } + var strBytes []byte + if strBytes, err = decoder.ReadNBytes(int(strLen)); err != nil { + return err + } + b.Key = string(strBytes) + return decoder.Decode(&b.Pubkey) +} + +func (*BuiltinProgram) MarshalWihEncoder(_ *bin.Encoder) (err error) { + // TODO not implemented + panic("not implemented") +} diff --git a/radiance/genesis/testdata/mainnet/genesis.tar.bz2 b/radiance/genesis/testdata/mainnet/genesis.tar.bz2 new file mode 100644 index 00000000..a8ae5c67 Binary files /dev/null and b/radiance/genesis/testdata/mainnet/genesis.tar.bz2 differ diff --git a/radiance/runtime/runtime.go b/radiance/runtime/runtime.go new file mode 100644 index 00000000..b944faa0 --- /dev/null +++ b/radiance/runtime/runtime.go @@ -0,0 +1,75 @@ +// Package runtime provides low-level components of the Solana Execution Layer. +package runtime + +import "time" + +type Account struct { + Lamports uint64 + Data []byte + Owner [32]byte + Executable bool + RentEpoch uint64 +} + +type PohParams struct { + TickDuration time.Duration + HasTickCount bool + TickCount uint64 + HasHashesPerTick bool + HashesPerTick uint64 +} + +type InflationParams struct { + Initial float64 + Terminal float64 + Taper float64 + Foundation float64 + FoundationTerm float64 + Padding00 [8]byte +} + +type EpochSchedule struct { + SlotPerEpoch uint64 + LeaderScheduleSlotOffset uint64 + Warmup bool + FirstNormalEpoch uint64 + FirstNormalSlot uint64 +} + +type FeeParams struct { + TargetLamportsPerSig uint64 + TargetSigsPerSlot uint64 + MinLamportsPerSig uint64 + MaxLamportsPerSig uint64 + BurnPercent uint8 +} + +type RentParams struct { + LamportsPerByteYear uint64 + ExemptionThreshold float64 + BurnPercent uint8 +} + +type Accounts interface { + GetAccount(pubkey *[32]byte) (*Account, error) + SetAccount(pubkey *[32]byte, acc *Account) error +} + +type MemAccounts struct { + Map map[[32]byte]*Account +} + +func NewMemAccounts() MemAccounts { + return MemAccounts{ + Map: make(map[[32]byte]*Account), + } +} + +func (m MemAccounts) GetAccount(pubkey *[32]byte) (*Account, error) { + return m.Map[*pubkey], nil +} + +func (m MemAccounts) SetAccount(pubkey *[32]byte, acc *Account) error { + m.Map[*pubkey] = acc + return nil +} diff --git a/radiance/runtime/serde.go b/radiance/runtime/serde.go new file mode 100644 index 00000000..855c3b83 --- /dev/null +++ b/radiance/runtime/serde.go @@ -0,0 +1,118 @@ +package runtime + +import ( + "fmt" + "io" + "math" + "time" + + bin "github.com/gagliardetto/binary" +) + +// Dumping ground for handwritten serialization boilerplate. +// To be removed when switching over to serde-generate. + +func (a *Account) UnmarshalWithDecoder(decoder *bin.Decoder) (err error) { + a.Lamports, err = decoder.ReadUint64(bin.LE) + if err != nil { + return err + } + var dataLen uint64 + dataLen, err = decoder.ReadUint64(bin.LE) + if err != nil { + return err + } + if dataLen > uint64(decoder.Remaining()) { + return io.ErrUnexpectedEOF + } + a.Data, err = decoder.ReadNBytes(int(dataLen)) + if err != nil { + return err + } + if err = decoder.Decode(&a.Owner); err != nil { + return err + } + a.Executable, err = decoder.ReadBool() + if err != nil { + return err + } + a.RentEpoch, err = decoder.ReadUint64(bin.LE) + return +} + +func (a *Account) MarshalWihEncoder(encoder *bin.Encoder) error { + _ = encoder.WriteUint64(a.Lamports, bin.LE) + _ = encoder.WriteUint64(uint64(len(a.Data)), bin.LE) + _ = encoder.WriteBytes(a.Data, false) + _ = encoder.WriteBytes(a.Owner[:], false) + _ = encoder.WriteBool(a.Executable) + return encoder.WriteUint64(a.RentEpoch, bin.LE) +} + +func (a *PohParams) UnmarshalWithDecoder(decoder *bin.Decoder) (err error) { + var tickDuration serdeDuration + if err = decoder.Decode(&tickDuration); err != nil { + return err + } + if a.TickDuration, err = tickDuration.Duration(); err != nil { + return err + } + if a.HasTickCount, err = decoder.ReadBool(); err != nil { + return err + } + if a.HasTickCount { + if a.TickCount, err = decoder.ReadUint64(bin.LE); err != nil { + return err + } + } + if a.HasHashesPerTick, err = decoder.ReadBool(); err != nil { + return err + } + if a.HasHashesPerTick { + if a.HashesPerTick, err = decoder.ReadUint64(bin.LE); err != nil { + return err + } + } + return nil +} + +func (a *PohParams) MarshalWithDecoder(encoder *bin.Encoder) (err error) { + tickDuration := newSerdeDuration(a.TickDuration) + _ = encoder.Encode(&tickDuration) + _ = encoder.WriteBool(a.HasTickCount) + if a.HasTickCount { + _ = encoder.WriteUint64(a.TickCount, bin.LE) + } + _ = encoder.WriteBool(a.HasHashesPerTick) + if a.HasHashesPerTick { + _ = encoder.WriteUint64(a.HashesPerTick, bin.LE) + } + return nil +} + +// serdeDuration implements the bincode serialization of std::time::Duration. +type serdeDuration struct { + Secs uint64 + Nanos uint32 +} + +func newSerdeDuration(d time.Duration) serdeDuration { + if d < 0 { + panic("negative duration") + } + return serdeDuration{ + Secs: uint64(d / time.Second), + Nanos: uint32(d % time.Second), + } +} + +func (s serdeDuration) Duration() (time.Duration, error) { + if time.Duration(s.Nanos) > time.Second { + return 0, fmt.Errorf("malformed serde duration") + } + if s.Secs > uint64(time.Duration(math.MaxInt64)/time.Second) { + return 0, fmt.Errorf("malformed serde duration") + } + d := time.Duration(s.Nanos) + (time.Duration(s.Secs) * time.Second) + return d, nil +}