legacy

type Block struct {
	BlockHeader
	Transactions []*Tx
}

type BlockCommitment struct {
	// TransactionsMerkleRoot is the root hash of the Merkle binary hash
	// tree formed by the hashes of all transactions included in the
	// block.
	TransactionsMerkleRoot bc.Hash

	// AssetsMerkleRoot is the root hash of the Merkle Patricia Tree of
	// the set of unspent outputs with asset version 1 after applying
	// the block.
	AssetsMerkleRoot bc.Hash

	// ConsensusProgram is the predicate for validating the next block.
	ConsensusProgram []byte
}

type BlockHeader struct {
	// Version of the block.
	Version uint64

	// Height of the block in the block chain.
	// Initial block has height 1.
	Height uint64

	// Hash of the previous block in the block chain.
	PreviousBlockHash bc.Hash

	// Time of the block in milliseconds.
	// Must grow monotonically and can be equal
	// to the time in the previous block.
	TimestampMS uint64

	BlockCommitment
	CommitmentSuffix []byte

	BlockWitness
	WitnessSuffix []byte
}

type BlockWitness struct {
	// Witness is a vector of arguments to the previous block's
	// ConsensusProgram for validating this block.
	Witness [][]byte
}

type IssuanceInput struct {
	// Commitment
	Nonce  []byte
	Amount uint64

	// Witness
	IssuanceWitness
}

type IssuanceWitness struct {
	InitialBlock    bc.Hash
	AssetDefinition []byte
	VMVersion       uint64
	IssuanceProgram []byte
	Arguments       [][]byte
}

type OutputCommitment struct {
	bc.AssetAmount
	VMVersion      uint64
	ControlProgram []byte
}

type SpendCommitment struct {
	bc.AssetAmount
	SourceID       bc.Hash
	SourcePosition uint64
	VMVersion      uint64
	ControlProgram []byte
	RefDataHash    bc.Hash
}

type SpendInput struct {
	// Commitment
	SpendCommitment

	// The unconsumed suffix of the output commitment
	SpendCommitmentSuffix []byte

	// Witness
	Arguments [][]byte
}

type Tx struct {
	TxData
	*bc.Tx `json:"-"`
}

type TxData struct {
	Version uint64
	Inputs  []*TxInput
	Outputs []*TxOutput

	// Common fields
	MinTime uint64
	MaxTime uint64

	// The unconsumed suffix of the common fields extensible string
	CommonFieldsSuffix []byte

	// The unconsumed suffix of the common witness extensible string
	CommonWitnessSuffix []byte

	ReferenceData []byte
}

type TxInput struct {
	AssetVersion  uint64
	ReferenceData []byte
	TypedInput

	// Unconsumed suffixes of the commitment and witness extensible
	// strings.
	CommitmentSuffix []byte
	WitnessSuffix    []byte
}

type TxOutput struct {
	AssetVersion uint64
	OutputCommitment

	// Unconsumed suffixes of the commitment and witness extensible strings.
	CommitmentSuffix []byte
	WitnessSuffix    []byte

	ReferenceData []byte
}

type TypedInput interface {
	IsIssuance() bool
}