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feat(stamper): add stamper cmds and implement dilute
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| package stamper | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "time" | ||
|
|
||
| "github.com/ethersphere/beekeeper/pkg/bee/api" | ||
| ) | ||
|
|
||
| var _ Client = (*Node)(nil) | ||
|
|
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| type Node struct { | ||
| client *api.Client | ||
| Name string | ||
| } | ||
|
|
||
| func NewNodeInfo(client *api.Client, name string) *Node { | ||
| return &Node{ | ||
| client: client, | ||
| Name: name, | ||
| } | ||
| } | ||
|
|
||
| func (n *Node) Create(ctx context.Context, amount uint64, depth uint8) error { | ||
| _, err := n.client.Postage.CreatePostageBatch(ctx, int64(amount), uint64(depth), "beekeeper") | ||
| if err != nil { | ||
| return fmt.Errorf("node %s: create postage batch: %w", n.Name, err) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
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| func (n *Node) Dilute(ctx context.Context, threshold float64, depthIncrement uint8) error { | ||
| batches, err := n.client.Postage.PostageBatches(ctx) | ||
| if err != nil { | ||
| return fmt.Errorf("node %s: get postage batches: %w", n.Name, err) | ||
| } | ||
|
|
||
| for _, batch := range batches { | ||
| if !batch.Usable || batch.ImmutableFlag || batch.Utilization == 0 { | ||
| continue | ||
| } | ||
|
|
||
| usageFactor := batch.Depth - batch.BucketDepth // depth - bucketDepth | ||
| divisor := float64(int(1) << usageFactor) // 2^(depth - bucketDepth) | ||
| stampsUsage := (float64(batch.Utilization) / divisor) * 100 // (utilization / 2^(depth - bucketDepth)) * 100 | ||
|
|
||
| if stampsUsage >= threshold { | ||
| newDepth := batch.Depth + depthIncrement | ||
| if err := n.client.Postage.DilutePostageBatch(ctx, batch.BatchID, uint64(newDepth), ""); err != nil { | ||
| return fmt.Errorf("node %s: dilute batch %s: %w", n.Name, batch.BatchID, err) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
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| func (n *Node) Set(ctx context.Context, ttlThreshold time.Duration, topupDuration time.Duration, threshold float64, depth uint16) error { | ||
| panic("unimplemented") | ||
| } | ||
|
|
||
| func (n *Node) Topup(ctx context.Context, ttlThreshold time.Duration, topupDuration time.Duration) error { | ||
| panic("unimplemented") | ||
| } |
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