database

Documentation

Index

• Constants
• func IsBlockHashValid(hash Hash) bool
• type Account
  • func NewAccount(value string) Account
• type Block
  • func GetBlocksAfter(blockHash Hash, dataDir string) ([]Block, error)
  • func NewBlock(parent Hash, number uint64, nonce uint32, time uint64, miner Account, txs []Tx) Block
  • func (b Block) Hash() (Hash, error)
• type BlockFS
• type BlockHeader
• 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 State
  • func NewStateFromDisk(dataDir string) (*State, error)
  • func (s *State) AddBlock(b Block) (Hash, error)
  • func (s *State) AddBlocks(blocks []Block) error
  • func (s *State) Close() error
  • func (s *State) LatestBlock() Block
  • func (s *State) LatestBlockHash() Hash
  • func (s *State) NextBlockNumber() uint64
• type Tx
  • func NewTx(from Account, to Account, value uint, data string) Tx
  • func (t Tx) Hash() (Hash, error)
  • func (t Tx) IsReward() bool

Constants

const BlockReward = 100

Functions

func IsBlockHashValid

func IsBlockHashValid(hash Hash) bool

Types

type Account

type Account string

func NewAccount

func NewAccount(value string) Account

type Block

type Block struct {
	Header BlockHeader `json:"header"`
	TXs    []Tx        `json:"payload"`
}

func GetBlocksAfter

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

func NewBlock

func NewBlock(parent Hash, number uint64, nonce uint32, time uint64, miner Account, txs []Tx) Block

func (Block) Hash

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

type BlockFS

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

type BlockHeader

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

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 State

type State struct {
	Balances map[Account]uint
	// contains filtered or unexported fields
}

func NewStateFromDisk

func NewStateFromDisk(dataDir string) (*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) Close

func (s *State) Close() error

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  Account `json:"from"`
	To    Account `json:"to"`
	Value uint    `json:"value"`
	Data  string  `json:"data"`
	Time  uint64  `json:"time"`
}

func NewTx

func NewTx(from Account, to Account, value uint, data string) Tx

func (Tx) Hash

func (t Tx) Hash() (Hash, error)

func (Tx) IsReward

func (t Tx) IsReward() bool