66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
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package change
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import (
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"fmt"
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"github.com/lbryio/claimtrie/claim"
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)
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// Cmd defines the type of Change.
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type Cmd int
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// The list of command currently supported.
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const (
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AddClaim Cmd = 1 << iota
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SpendClaim
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UpdateClaim
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AddSupport
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SpendSupport
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)
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var names = map[Cmd]string{
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AddClaim: "+C",
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SpendClaim: "-C",
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UpdateClaim: "+U",
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AddSupport: "+S",
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SpendSupport: "-S",
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}
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// Change represent a record of changes to the node of Name at Height.
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type Change struct {
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Height claim.Height
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Cmd Cmd
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Name string
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OP claim.OutPoint
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Amt claim.Amount
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ID claim.ID
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Value []byte
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}
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func (c Change) String() string {
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return fmt.Sprintf("%6d %s %s %s %12d [%s]", c.Height, names[c.Cmd], c.OP, c.ID, c.Amt, c.Name)
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}
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// New returns a Change initialized with Cmd.
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func New(cmd Cmd) *Change {
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return &Change{Cmd: cmd}
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}
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// SetName sets name to the Change.
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func (c *Change) SetName(name string) *Change { c.Name = name; return c }
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// SetHeight sets height to the Change.
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func (c *Change) SetHeight(h claim.Height) *Change { c.Height = h; return c }
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// SetOP sets OP to the Change.
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func (c *Change) SetOP(op claim.OutPoint) *Change { c.OP = op; return c }
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// SetAmt sets amt to the Change.
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func (c *Change) SetAmt(amt claim.Amount) *Change { c.Amt = amt; return c }
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// SetID sets id to the Change.
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func (c *Change) SetID(id claim.ID) *Change { c.ID = id; return c }
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// SetValue sets value to the Change.
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func (c *Change) SetValue(v []byte) *Change { c.Value = v; return c }
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