base

type Block interface {
	BlockVersionSpec
	module.Block
}

type BlockData interface {
	BlockVersionSpec
	module.BlockData
}

type BlockHandler interface {
	Version() int
	// NewBlock returns a new block. It is used for propose or genesis.
	NewBlock(
		height int64, ts int64, proposer module.Address, prev module.Block,
		logsBloom module.LogsBloom, result []byte,
		patchTransactions module.TransactionList,
		normalTransactions module.TransactionList,
		nextValidators module.ValidatorList, votes module.CommitVoteSet,
		bs module.BTPSection,
	) Block
	NewBlockFromHeaderReader(r io.Reader) (Block, error)
	NewBlockDataFromReader(io.Reader) (BlockData, error)
	GetBlock(id []byte) (Block, error)
}

type BlockHandlerContext interface {
	GetBlockByHeight(height int64) (module.Block, error)
}

type BlockVersionSpec interface {
	FinalizeHeader(dbase db.Database) error
	// GetVoters returns the voters for the block. Note that this is different
	// from the voted, which is a subset of the voters.
	GetVoters(ctx BlockHandlerContext) (module.ValidatorList, error)
	// VerifyTimestamp verifies timestamp of the block.
	VerifyTimestamp(prev module.BlockData, prevVoters module.ValidatorList) error
}

type Chain interface {
	Database() db.Database
	CommitVoteSetDecoder() module.CommitVoteSetDecoder
	ServiceManager() module.ServiceManager
	MetricContext() context.Context
	CID() int
	NID() int
	Logger() log.Logger
	NetworkManager() module.NetworkManager
	BlockManager() module.BlockManager
	Regulator() module.Regulator
	Wallet() module.Wallet
	WalletFor(dsa string) module.BaseWallet
}

type ExecutionResult interface {
	PatchReceipts() module.ReceiptList
	NormalReceipts() module.ReceiptList
	TotalFee() *big.Int
	VirtualFee() *big.Int
}

type Platform interface {
	NewContractManager(dbase db.Database, dir string, logger log.Logger) (contract.ContractManager, error)
	NewExtensionSnapshot(dbase db.Database, raw []byte) state.ExtensionSnapshot
	NewExtensionWithBuilder(builder merkle.Builder, raw []byte) state.ExtensionSnapshot
	OnExtensionSnapshotFinalization(ess state.ExtensionSnapshot, logger log.Logger)
	ToRevision(value int) module.Revision
	NewBaseTransaction(wc state.WorldContext) (module.Transaction, error)
	OnValidateTransactions(wc state.WorldContext, patches, txs module.TransactionList) error
	OnExecutionBegin(wc state.WorldContext, logger log.Logger) error
	OnExecutionEnd(wc state.WorldContext, er ExecutionResult, logger log.Logger) error
	OnTransactionEnd(wc state.WorldContext, logger log.Logger, rct txresult.Receipt) error
	DefaultBlockVersionFor(cid int) int
	NewBlockHandlers(c Chain) []BlockHandler
	NewConsensus(c Chain, walDir string) (module.Consensus, error)
	CommitVoteSetDecoder() module.CommitVoteSetDecoder
	Term()
}