Exemplo n.º 1
0
func NewFBlockFromPreviousBlock(exchangeRate uint64, prev interfaces.IFBlock) interfaces.IFBlock {
	if prev != nil {
		newBlock := NewFBlock(exchangeRate, prev.GetDBHeight()+1)
		newBlock.SetPrevKeyMR(prev.GetKeyMR().Bytes())
		newBlock.SetPrevLedgerKeyMR(prev.GetLedgerKeyMR().Bytes())
		return newBlock
	}
	return NewFBlock(exchangeRate, 0)
}
Exemplo n.º 2
0
func NewFBlock(prev interfaces.IFBlock) interfaces.IFBlock {
	scb := new(FBlock)
	scb.BodyMR = new(primitives.Hash)
	if prev != nil {
		scb.PrevKeyMR = prev.GetKeyMR()
		scb.PrevLedgerKeyMR = prev.GetLedgerKeyMR()
		scb.ExchRate = prev.GetExchRate()
		scb.DBHeight = prev.GetDBHeight() + 1
	} else {
		scb.PrevKeyMR = primitives.NewZeroHash()
		scb.PrevLedgerKeyMR = primitives.NewZeroHash()
		scb.ExchRate = 1
		scb.DBHeight = 0
	}
	return scb
}
Exemplo n.º 3
0
func CheckBlockPairIntegrity(block interfaces.IFBlock, prev interfaces.IFBlock) error {
	if block == nil {
		return fmt.Errorf("No block specified")
	}

	if prev == nil {
		if block.GetPrevKeyMR().IsZero() == false {
			return fmt.Errorf("Invalid PrevKeyMR")
		}
		if block.GetPrevLedgerKeyMR().IsZero() == false {
			return fmt.Errorf("Invalid PrevLedgerKeyMR")
		}
		if block.GetDBHeight() != 0 {
			return fmt.Errorf("Invalid DBHeight")
		}
	} else {
		if block.GetPrevKeyMR().IsSameAs(prev.GetKeyMR()) == false {
			return fmt.Errorf("Invalid PrevKeyMR")
		}
		if block.GetPrevLedgerKeyMR().IsSameAs(prev.GetLedgerKeyMR()) == false {
			return fmt.Errorf("Invalid PrevLedgerKeyMR")
		}
		if block.GetDBHeight() != (prev.GetDBHeight() + 1) {
			return fmt.Errorf("Invalid DBHeight")
		}
	}

	return nil
}