analysis

type Block struct {
	Block                 *types.Block
	Origin                BlockOrigin
	NodeUri               string
	ObservedUnixTimestamp int64

	// some helpers
	Number     uint64
	Hash       common.Hash
	ParentHash common.Hash
}

type BlockOrigin string

type BlockTree struct {
	FirstNode           *TreeNode
	LatestNodes         []*TreeNode // Nodes at latest blockheight (can be more than 1)
	NodeByHash          map[common.Hash]*TreeNode
	MainChainNodeByHash map[common.Hash]*TreeNode
}

type Reorg struct {
	IsFinished bool
	SeenLive   bool

	StartBlockHeight uint64 // first block in a reorg (block number after common parent)
	EndBlockHeight   uint64 // last block in a reorg

	Chains map[common.Hash][]*Block

	Depth int

	BlocksInvolved    map[common.Hash]*Block
	MainChainHash     common.Hash
	MainChainBlocks   map[common.Hash]*Block
	NumReplacedBlocks int
	EthNodesInvolved  map[string]bool

	CommonParent         *Block
	FirstBlockAfterReorg *Block
}

type TreeAnalysis struct {
	Tree *BlockTree

	StartBlockHeight uint64 // first block number with siblings
	EndBlockHeight   uint64
	IsSplitOngoing   bool

	NumBlocks          int
	NumBlocksMainChain int

	Reorgs map[string]*Reorg
}

type TreeNode struct {
	Block    *Block
	Parent   *TreeNode
	Children []*TreeNode

	IsFirst     bool
	IsMainChain bool
}