block

package
v0.0.0-...-8430543 Latest Latest
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 Go to latest Published: Jun 26, 2022 License: MIT Imports: 12 Imported by: 0

Documentation

Index

Constants

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const AddressLen = sha256.Size
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const CREATE_INIT = 2
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const CREATE_TRIMELF = 1
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const CREATE_USENONCE = 4
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const CallExternal = 1
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const CallInit = 4
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const CallRegular = 3
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const CallStart = 2
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const CallView = 5
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const DefaultSp = 0x30000000 + vm.PageSize*vm.MaxPagesPerBlock - 16
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const GasCall = 2800
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const GasLoadContractCode = 20000
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const GasLoadContractCodeCached = 400
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const GasLoadContractCodePerBlock = 2000
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const GasSyscallCreatePerByte = 1
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const GasSyscallCreateStorePerBlock = 10000
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const GasSyscallEd25519PerBlock = 100
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const GasSyscallRevertPerByte = 1
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const GasSyscallSha256PerBlock = 60
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const GasSyscallTransferMessagePerByte = 1
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const GasVmTxRawCode = 5000
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const HashLen = sha256.Size
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const MaxByteArrayLen = 1 << 20
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const MaxRevertMsgLen = 1024
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const PrivkeyLen = ed25519.PrivateKeySize
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const PubkeyLen = ed25519.PublicKeySize
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const SYSCALL_BALANCE = 8
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const SYSCALL_BLOCK_NUMBER = 14
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const SYSCALL_CALLER = 3
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const SYSCALL_CALLVALUE = 4
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const SYSCALL_CHAINID = 16
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const SYSCALL_CREATE = 20
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const SYSCALL_DIFFICULTY = 15
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const SYSCALL_ED25519_VERIFY = 21
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const SYSCALL_GAS = 17
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const SYSCALL_JUMPDEST = 18
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const SYSCALL_LOAD_CONTRACT = 9
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const SYSCALL_LOAD_ELF = 22
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const SYSCALL_MINER = 13
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const SYSCALL_ORIGIN = 2
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const SYSCALL_PROTECTED_CALL = 10
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const SYSCALL_REVERT = 11
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const SYSCALL_SELF = 1
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const SYSCALL_SHA256 = 7
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const SYSCALL_STORAGE_LOAD = 6
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const SYSCALL_STORAGE_STORE = 5
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const SYSCALL_TIME = 12
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const SYSCALL_TRANSFER = 19
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const SigLen = ed25519.SignatureSize
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const SyscallProg = 0x7fffffff

Variables

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var ErrContractExists = errors.New("contract exists")
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var ErrContractNotExist = errors.New("contract not exist")
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var ErrIllegalEntry = errors.New("illegal entry")
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var ErrIllegalSyscallParameters = errors.New("illegal syscall parameters")
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var ErrInsufficientBalance = errors.New("insufficient balance")
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var ErrInvalidJumpDest = errors.New("invalid jump dest")
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var ErrInvalidSyscall = errors.New("invalid syscall")
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var GasSyscallBase = map[int]uint64{
	SYSCALL_SELF:           40,
	SYSCALL_ORIGIN:         40,
	SYSCALL_CALLER:         40,
	SYSCALL_CALLVALUE:      40,
	SYSCALL_STORAGE_STORE:  50000,
	SYSCALL_STORAGE_LOAD:   50000,
	SYSCALL_SHA256:         400,
	SYSCALL_BALANCE:        20000,
	SYSCALL_LOAD_CONTRACT:  500,
	SYSCALL_PROTECTED_CALL: 1000,
	SYSCALL_REVERT:         500,
	SYSCALL_TIME:           40,
	SYSCALL_MINER:          40,
	SYSCALL_BLOCK_NUMBER:   40,
	SYSCALL_DIFFICULTY:     40,
	SYSCALL_CHAINID:        40,
	SYSCALL_GAS:            40,
	SYSCALL_JUMPDEST:       200,
	SYSCALL_TRANSFER:       40000,
	SYSCALL_CREATE:         25000,
	SYSCALL_ED25519_VERIFY: 50000,
	SYSCALL_LOAD_ELF:       500,
}

Functions

func EncodeBlock 

func EncodeBlock(w utils.Writer, b *Block) error

func EncodeBlockHeader 

func EncodeBlockHeader(w utils.Writer, bh BlockHeader) error

func EncodeBlockSelf 

func EncodeBlockSelf(w utils.Writer, b *Block) error

func EncodeTx 

func EncodeTx(w utils.Writer, tx *Transaction) error

func ExecVmTxRawCode 

func ExecVmTxRawCode(origin AddressType, gasLimit uint64, data []byte, s *storage.Slice, ctx *ExecutionContext, tx *Transaction) (uint64, error)

func ExecVmViewRawCode 

func ExecVmViewRawCode(origin AddressType, gasLimit uint64, data []byte, s *storage.Slice, ctx *ExecutionContext) ([]byte, error)

func ExecuteBlock 

func ExecuteBlock(b *Block, reward uint64, s *storage.Slice, ctx *ExecutionContext) error

func ExecuteTx 

func ExecuteTx(tx *Transaction, s *storage.Slice, ctx *ExecutionContext) error

func GenKeyPair 

func GenKeyPair(r io.Reader) (a PubkeyType, b PrivkeyType)

func LoadContractCode 

func LoadContractCode(s *storage.Slice, addr AddressType) ([]byte, error)

func SetAccountInfo 

func SetAccountInfo(s *storage.Slice, address AddressType, info AccountInfo)

Types

type AccountInfo 

type AccountInfo struct {
	Balance uint64 `json:"balance"`
	Nonce   uint64 `json:"nonce"`
}

func GetAccountInfo 

func GetAccountInfo(s *storage.Slice, address AddressType) AccountInfo

type AddressType 

type AddressType [AddressLen]byte

func PubkeyToAddress 

func PubkeyToAddress(pk PubkeyType) AddressType

type Block 

type Block struct {
	Header BlockHeader    `json:"header"`
	Miner  AddressType    `json:"miner"`
	Time   uint64         `json:"time"`
	Txs    []*Transaction `json:"txs"`
}

func DecodeBlock 

func DecodeBlock(r utils.Reader) (*Block, error)

func (*Block) ComputeHash 

func (b *Block) ComputeHash() HashType

func (*Block) FillHash 

func (b *Block) FillHash()

type BlockHeader 

type BlockHeader struct {
	Hash       HashType `json:"hash"`
	ParentHash HashType `json:"parent_hash"`
	BodyHash   HashType `json:"body_hash"`
	ExtraData  HashType `json:"extra_data"`
}

func DecodeBlockHeader 

func DecodeBlockHeader(r utils.Reader) (BlockHeader, error)

func (*BlockHeader) ComputeHash 

func (bh *BlockHeader) ComputeHash() HashType

type ExecutionCallback 

type ExecutionCallback struct {
	Transfer func(s *storage.Slice, from AddressType, to AddressType, value uint64, msg []byte, tx *Transaction, ctx *ExecutionContext)
	Block    func(s *storage.Slice, b *Block, ctx *ExecutionContext)
}

type ExecutionContext 

type ExecutionContext struct {
	Height      int
	Time        uint64
	Miner       AddressType
	Difficulty  HashType
	ChainId     uint16
	Tip1Enabled bool
	Callback    *ExecutionCallback
}

type HashType 

type HashType [HashLen]byte

type PrivkeyType 

type PrivkeyType [PrivkeyLen]byte

type PubkeyType 

type PubkeyType [PubkeyLen]byte

type SigType 

type SigType [SigLen]byte

type Transaction 

type Transaction struct {
	TxType       byte        `json:"tx_type"`
	SenderPubkey PubkeyType  `json:"sender_pubkey"`
	SenderSig    SigType     `json:"sender_sig"`
	Receiver     AddressType `json:"receiver"`
	Value        uint64      `json:"value"`
	GasLimit     uint64      `json:"gas_limit"`
	Fee          uint64      `json:"fee"`
	Nonce        uint64      `json:"nonce"`
	Data         []byte      `json:"data"`
}

func DecodeTx 

func DecodeTx(r utils.Reader) (*Transaction, error)

func (*Transaction) Hash 

func (tx *Transaction) Hash() HashType

func (*Transaction) Sign 

func (tx *Transaction) Sign(privKey PrivkeyType)

Source Files

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