multisig

type AddSignerParams struct {
	Signer   addr.Address
	Increase bool
}

type ApproveReturn struct {
	// Applied indicates if the transaction was applied as opposed to proposed but not applied due to lack of approvals
	Applied bool
	// Code is the exitcode of the transaction, if Applied is false this field should be ignored.
	Code exitcode.ExitCode
	// Ret is the return vale of the transaction, if Applied is false this field should be ignored.
	Ret []byte
}

type ChangeNumApprovalsThresholdParams struct {
	NewThreshold uint64
}

type ConstructorParams struct {
	Signers               []addr.Address
	NumApprovalsThreshold uint64
	UnlockDuration        abi.ChainEpoch
	StartEpoch            abi.ChainEpoch
}

type LockBalanceParams struct {
	StartEpoch     abi.ChainEpoch
	UnlockDuration abi.ChainEpoch
	Amount         abi.TokenAmount
}

type ProposalHashData struct {
	Requester addr.Address
	To        addr.Address
	Value     abi.TokenAmount
	Method    abi.MethodNum
	Params    []byte
}

type ProposeParams struct {
	To     addr.Address
	Value  abi.TokenAmount
	Method abi.MethodNum
	Params []byte
}

type ProposeReturn struct {
	// TxnID is the ID of the proposed transaction
	TxnID TxnID
	// Applied indicates if the transaction was applied as opposed to proposed but not applied due to lack of approvals
	Applied bool
	// Code is the exitcode of the transaction, if Applied is false this field should be ignored.
	Code exitcode.ExitCode
	// Ret is the return vale of the transaction, if Applied is false this field should be ignored.
	Ret []byte
}

type RemoveSignerParams struct {
	Signer   addr.Address
	Decrease bool
}

type State struct {
	Signers               []address.Address // Signers must be canonical ID-addresses.
	NumApprovalsThreshold uint64
	NextTxnID             TxnID

	// Linear unlock
	InitialBalance abi.TokenAmount
	StartEpoch     abi.ChainEpoch
	UnlockDuration abi.ChainEpoch

	PendingTxns cid.Cid // HAMT[TxnID]Transaction
}

type StateSummary struct {
	PendingTxnCount       uint64
	NumApprovalsThreshold uint64
	SignerCount           int
}

type SwapSignerParams struct {
	From addr.Address
	To   addr.Address
}

type Transaction struct {
	To     addr.Address
	Value  abi.TokenAmount
	Method abi.MethodNum
	Params []byte

	// This address at index 0 is the transaction proposer, order of this slice must be preserved.
	Approved []addr.Address
}

type TxnID int64

type TxnIDParams struct {
	ID TxnID
	// Optional hash of proposal to ensure an operation can only apply to a
	// specific proposal.
	ProposalHash []byte
}