blockchain

func BootstrapBlockchain ¶

func BootstrapBlockchain() models.Block

BootstrapBlockchain bootstraps a blockchain with the genesis block. It's typically empty values. Returns the genesis block

func CalculateHash ¶

func CalculateHash(block models.Block) string

CalculateHash simply calculates the hash for a block and stores it in that block. Used to check if the data is valid and the block hasn't been tampered with.

func CalculateStringHash ¶

func CalculateStringHash(s string) string

func GenerateBlock ¶

func GenerateBlock(oldBlock models.Block, data []byte, address string) (models.Block, error)

GenerateBlock creates a new block based on the arbitrary data and the address of the client node that proposed it

func HandleCandidateBlocks ¶

func HandleCandidateBlocks()

HandleCandidateBlocks simply receives the candidate blocks via a Go channel and adds them to an internal temp array

func IsBlockValid ¶

func IsBlockValid(newBlock models.Block, oldBlock models.Block) bool

IsBlockValid checks if the new block is valid as compared to the last old block

func PickPOSWinner ¶

func PickPOSWinner()

PickPOSWinner picks the winner node for the new block based on the number of tokens that have been staked by individual clients. It does this every 30 seconds.

func ReplaceChains ¶

func ReplaceChains(newBlocks []models.Block)

ReplaceChains is used to overwrite the local copy of the blockchain if a longer chain is found in the network.