83 lines
2 KiB
Go
83 lines
2 KiB
Go
package claim
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import (
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"bytes"
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"github.com/btcsuite/btcd/chaincfg/chainhash"
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"github.com/btcsuite/btcd/wire"
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)
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type (
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// Amount defines the amount in LBC.
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Amount int64
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// Height defines the height of a block.
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Height int32
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)
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// New returns a Claim (or Support) initialized with specified op and amt.
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func New(op OutPoint, amt Amount) *Claim {
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return &Claim{OutPoint: op, Amt: amt}
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}
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// Claim defines a structure of a Claim (or Support).
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type Claim struct {
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OutPoint OutPoint
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ID ID
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Amt Amount
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Accepted Height
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Value []byte
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EffAmt Amount
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ActiveAt Height
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}
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func (c *Claim) setOutPoint(op OutPoint) *Claim { c.OutPoint = op; return c }
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func (c *Claim) setID(id ID) *Claim { c.ID = id; return c }
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func (c *Claim) setAmt(amt Amount) *Claim { c.Amt = amt; return c }
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func (c *Claim) setAccepted(ht Height) *Claim { c.Accepted = ht; return c }
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func (c *Claim) setActiveAt(ht Height) *Claim { c.ActiveAt = ht; return c }
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func (c *Claim) setValue(val []byte) *Claim { c.Value = val; return c }
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func (c *Claim) String() string { return claimToString(c) }
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func (c *Claim) expireAt() Height {
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if c.Accepted+paramOriginalClaimExpirationTime > paramExtendedClaimExpirationForkHeight {
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return c.Accepted + paramExtendedClaimExpirationTime
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}
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return c.Accepted + paramOriginalClaimExpirationTime
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}
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// IsActiveAt ...
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func IsActiveAt(c *Claim, ht Height) bool {
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return c != nil && c.ActiveAt <= ht && c.expireAt() > ht
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}
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func equal(a, b *Claim) bool {
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if a != nil && b != nil {
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return a.OutPoint == b.OutPoint
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}
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return a == nil && b == nil
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}
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// OutPoint tracks previous transaction outputs.
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type OutPoint struct {
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wire.OutPoint
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}
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// NewOutPoint returns a new outpoint with the provided hash and index.
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func NewOutPoint(hash *chainhash.Hash, index uint32) *OutPoint {
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return &OutPoint{
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*wire.NewOutPoint(hash, index),
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}
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}
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func outPointLess(a, b OutPoint) bool {
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switch cmp := bytes.Compare(a.Hash[:], b.Hash[:]); {
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case cmp > 0:
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return true
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case cmp < 0:
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return false
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default:
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return a.Index < b.Index
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}
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}
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