callbackblockchain

Documentation

Index

• func AccountAddress(i *big.Int) []byte
• type Account
  • func (a *Account) StorageValue(key string) []byte
• type AccountMap
  • func NewAccountMap() AccountMap
  • func (am AccountMap) DeleteAccount(address []byte)
  • func (am AccountMap) GetAccount(address []byte) *Account
  • func (am AccountMap) PutAccount(acct *Account)
• type BlockchainHookMock
  • func NewMock() *BlockchainHookMock
  • func (b *BlockchainHookMock) AccountExists(address []byte) (bool, error)
  • func (b *BlockchainHookMock) Clear()
  • func (b *BlockchainHookMock) GetBalance(address []byte) (*big.Int, error)
  • func (b *BlockchainHookMock) GetBlockhash(offset *big.Int) ([]byte, error)
  • func (b *BlockchainHookMock) GetCode(address []byte) ([]byte, error)
  • func (b *BlockchainHookMock) GetNonce(address []byte) (uint64, error)
  • func (b *BlockchainHookMock) GetStorageData(accountAddress []byte, index []byte) ([]byte, error)
  • func (b *BlockchainHookMock) IsCodeEmpty(address []byte) (bool, error)
  • func (b *BlockchainHookMock) NewAddress(creatorAddress []byte, creatorNonce uint64) ([]byte, error)
  • func (b *BlockchainHookMock) UpdateAccounts(modifiedAccounts []*vmi.OutputAccount, accountsToDelete [][]byte) error
  • func (b *BlockchainHookMock) UpdateBalance(address []byte, newBalance *big.Int) error
  • func (b *BlockchainHookMock) UpdateWorldStateBefore(fromAddr []byte, gasLimit *big.Int, gasPrice *big.Int) error

Functions

func AccountAddress

func AccountAddress(i *big.Int) []byte

AccountAddress converts to account address bytes from big.Int

Types

type Account

type Account struct {
	Exists       bool
	Address      []byte
	Nonce        uint64
	Balance      *big.Int
	BalanceDelta *big.Int
	Storage      map[string][]byte
	Code         []byte
}

Account holds the account info

func (*Account) StorageValue

func (a *Account) StorageValue(key string) []byte

StorageValue yields the storage value for key, default 0

type AccountMap

type AccountMap map[string]*Account

AccountMap is a map from address to account

func NewAccountMap

func NewAccountMap() AccountMap

NewAccountMap creates a new AccountMap instance

func (AccountMap) DeleteAccount

func (am AccountMap) DeleteAccount(address []byte)

DeleteAccount removes account based on address

func (AccountMap) GetAccount

func (am AccountMap) GetAccount(address []byte) *Account

GetAccount retrieves account based on address

func (AccountMap) PutAccount

func (am AccountMap) PutAccount(acct *Account)

PutAccount inserts account based on address

type BlockchainHookMock

type BlockchainHookMock struct {
	AcctMap     AccountMap
	Blockhashes [][]byte
}

BlockchainHookMock

func NewMock

func NewMock() *BlockchainHookMock

func (*BlockchainHookMock) AccountExists

func (b *BlockchainHookMock) AccountExists(address []byte) (bool, error)

AccountExists note: an account with Balance = 0 and Nonce = 0 is considered to not exist

func (*BlockchainHookMock) Clear

func (b *BlockchainHookMock) Clear()

func (*BlockchainHookMock) GetBalance

func (b *BlockchainHookMock) GetBalance(address []byte) (*big.Int, error)

GetBalance should retrieve the balance of an account

func (*BlockchainHookMock) GetBlockhash

func (b *BlockchainHookMock) GetBlockhash(offset *big.Int) ([]byte, error)

GetBlockhash should return the hash of the nth previous blockchain. Offset specifies how many blocks we need to look back.

func (*BlockchainHookMock) GetCode

func (b *BlockchainHookMock) GetCode(address []byte) ([]byte, error)

GetCode should return the compiled and assembled SC code. Empty byte array if the account is a wallet.

func (*BlockchainHookMock) GetNonce

func (b *BlockchainHookMock) GetNonce(address []byte) (uint64, error)

GetNonce should retrieve the nonce of an account

func (*BlockchainHookMock) GetStorageData

func (b *BlockchainHookMock) GetStorageData(accountAddress []byte, index []byte) ([]byte, error)

GetStorageData yields the storage value for a certain account and index. Should return an empty byte array if the key is missing from the account storage

func (*BlockchainHookMock) IsCodeEmpty

func (b *BlockchainHookMock) IsCodeEmpty(address []byte) (bool, error)

IsCodeEmpty should return whether of not an account is SC.

func (*BlockchainHookMock) NewAddress

func (b *BlockchainHookMock) NewAddress(creatorAddress []byte, creatorNonce uint64) ([]byte, error)

NewAddress adapts between K model and elrond function

func (*BlockchainHookMock) UpdateAccounts

func (b *BlockchainHookMock) UpdateAccounts(modifiedAccounts []*vmi.OutputAccount, accountsToDelete [][]byte) error

UpdateAccounts should be called after the VM test has run, to update world state

func (*BlockchainHookMock) UpdateBalance

func (b *BlockchainHookMock) UpdateBalance(address []byte, newBalance *big.Int) error

UpdateBalance changes balance of an account

func (*BlockchainHookMock) UpdateWorldStateBefore

func (b *BlockchainHookMock) UpdateWorldStateBefore(
	fromAddr []byte,
	gasLimit *big.Int,
	gasPrice *big.Int) error

UpdateWorldStateBefore performs gas payment, before transaction