core

package

v0.0.0-...-e39e356 Latest Latest Go to latest Published: Feb 1, 2024 License: MIT Imports: 15 Imported by: 0

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Repository

github.com/irononet/nemos

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
func ApplyTx(tx SignedTx, s *State) error
func InitDataDirIfNotExists(dataDir string, genesis []byte) error
func IsBlockHashValid(hash Hash, miningDifficulty uint) bool
func NewAccount(value string) common.Address
func ValidateTx(tx SignedTx, s *State) error
type Block
- func GetBlockAfter(blockHash Hash, dataDir string) ([]Block, error)
- func NewBlock(parent Hash, number uint64, nonce uint32, time uint64, miner common.Address, ...) Block
- func (b Block) GasReward() uint
- func (b Block) Hash() (Hash, error)
type BlockFS
- func GetBlockByHeightOrHash(state *State, height uint64, hash, dataDir string) (BlockFS, error)
type BlockHeader
type Genesis
type Hash
- func (h Hash) Hex() string
- func (h Hash) IsEmpty() bool
- func (h Hash) MarshalText() ([]byte, error)
- func (h *Hash) UnmarshalText(data []byte) error
type SignedTx
- func NewSignedTx(tx Tx, sig []byte) SignedTx
- func (t SignedTx) Hash() (Hash, error)
- func (t SignedTx) IsAuthentic() (bool, error)
- func (t SignedTx) MarshalJSON() ([]byte, error)
type State
- func NewStateFromDisk(dataDir string, miningDifficulty uint) (*State, error)
- func (s *State) AddBlock(b Block) (Hash, error)
- func (s *State) AddBlocks(blocks []Block) error
- func (s *State) ChangeMiningDifficulty(newDifficulty uint)
- func (s *State) Close() error
- func (s *State) Copy() State
- func (s *State) GetNextAccountNonce(account common.Address) uint
- func (s *State) LatestBlock() Block
- func (s *State) LatestBlockHash() Hash
- func (s *State) NextBlockNumber() uint64
type Tx
- func NewBaseTx(from, to common.Address, value, nonce uint, data string) Tx
- func NewTx(from, to common.Address, gas uint, gasPrice uint, value, nonce uint, ...) Tx
- func (tx Tx) Cost() uint
- func (tx Tx) Encode() ([]byte, error)
- func (tx Tx) GasCost() uint
- func (tx Tx) Hash() (Hash, error)
- func (tx Tx) IsReward() bool
- func (t Tx) MarshalJSON() ([]byte, error)

Constants ¶

View Source

const BlockReward = 100

View Source

const TxFee = uint(50)

View Source

const TxGas = 1

View Source

const TxGasPriceDefault = 1

Variables ¶

This section is empty.

Functions ¶

func ApplyTx ¶

func ApplyTx(tx SignedTx, s *State) error

func InitDataDirIfNotExists ¶

func InitDataDirIfNotExists(dataDir string, genesis []byte) error

func IsBlockHashValid ¶

func IsBlockHashValid(hash Hash, miningDifficulty uint) bool

func NewAccount ¶

func NewAccount(value string) common.Address

func ValidateTx ¶

func ValidateTx(tx SignedTx, s *State) error

Types ¶

type Block ¶

type Block struct {
	Header BlockHeader `json:"header"`
	Txs    []SignedTx  `json:"payload"`
}

func GetBlockAfter ¶

func GetBlockAfter(blockHash Hash, dataDir string) ([]Block, error)

func NewBlock ¶

func NewBlock(parent Hash,
	number uint64, nonce uint32,
	time uint64, miner common.Address,
	txs []SignedTx) Block

func (Block) GasReward ¶

func (b Block) GasReward() uint

func (Block) Hash ¶

func (b Block) Hash() (Hash, error)

type BlockFS ¶

type BlockFS struct {
	Key   Hash  `json:"key"`
	Value Block `json:"hash"`
}

func GetBlockByHeightOrHash ¶

func GetBlockByHeightOrHash(state *State, height uint64, hash, dataDir string) (BlockFS, error)

GetBlocksByHeightOrHash returns the requested block by height or hash It uses cached data in the State struct (HeightCache / HashCache)

type BlockHeader ¶

type BlockHeader struct {
	Parent Hash           `json:"parent"`
	Number uint64         `json:"number"`
	Nonce  uint32         `json:"nonce"`
	Time   uint64         `json:"time"`
	Miner  common.Address `json:"miner"`
}

type Genesis ¶

type Genesis struct {
	Balances map[common.Address]uint `json:"balances"`
	Symbol   string                  `json:"symbol"`
}

type Hash ¶

type Hash [32]byte

func (Hash) Hex ¶

func (h Hash) Hex() string

func (Hash) IsEmpty ¶

func (h Hash) IsEmpty() bool

func (Hash) MarshalText ¶

func (h Hash) MarshalText() ([]byte, error)

func (*Hash) UnmarshalText ¶

func (h *Hash) UnmarshalText(data []byte) error

type SignedTx ¶

type SignedTx struct {
	Tx
	Sig []byte `json:"signature"`
}

func NewSignedTx ¶

func NewSignedTx(tx Tx, sig []byte) SignedTx

func (SignedTx) Hash ¶

func (t SignedTx) Hash() (Hash, error)

func (SignedTx) IsAuthentic ¶

func (t SignedTx) IsAuthentic() (bool, error)

func (SignedTx) MarshalJSON ¶

func (t SignedTx) MarshalJSON() ([]byte, error)

type State ¶

type State struct {
	Balances       map[common.Address]uint
	AccountToNonce map[common.Address]uint

	HashCache   map[string]int64
	HeightCache map[uint64]int64
	// contains filtered or unexported fields
}

func NewStateFromDisk ¶

func NewStateFromDisk(dataDir string, miningDifficulty uint) (*State, error)

func (*State) AddBlock ¶

func (s *State) AddBlock(b Block) (Hash, error)

func (*State) AddBlocks ¶

func (s *State) AddBlocks(blocks []Block) error

func (*State) ChangeMiningDifficulty ¶

func (s *State) ChangeMiningDifficulty(newDifficulty uint)

func (*State) Close ¶

func (s *State) Close() error

func (*State) Copy ¶

func (s *State) Copy() State

func (*State) GetNextAccountNonce ¶

func (s *State) GetNextAccountNonce(account common.Address) uint

func (*State) LatestBlock ¶

func (s *State) LatestBlock() Block

func (*State) LatestBlockHash ¶

func (s *State) LatestBlockHash() Hash

func (*State) NextBlockNumber ¶

func (s *State) NextBlockNumber() uint64

type Tx ¶

type Tx struct {
	From     common.Address `json:"from"`
	To       common.Address `json:"to"`
	Gas      uint           `json:"gas"`
	GasPrice uint           `json:"gas_price"`
	Value    uint           `json:"value"`
	Nonce    uint           `json:"nonce"`
	Data     string         `json:"data"`
	Time     uint64         `json:"time"`
}

func NewBaseTx ¶

func NewBaseTx(from, to common.Address, value, nonce uint, data string) Tx

func NewTx ¶

func NewTx(from, to common.Address, gas uint, gasPrice uint, value, nonce uint, data string) Tx

func (Tx) Cost ¶

func (tx Tx) Cost() uint

func (Tx) Encode ¶

func (tx Tx) Encode() ([]byte, error)

func (Tx) GasCost ¶

func (tx Tx) GasCost() uint

func (Tx) Hash ¶

func (tx Tx) Hash() (Hash, error)

func (Tx) IsReward ¶

func (tx Tx) IsReward() bool

func (Tx) MarshalJSON ¶

func (t Tx) MarshalJSON() ([]byte, error)

MarshalJson is the source of truth when it comes to encoding a transactionfor hash calculations

Source Files ¶

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