4fe7403f83
* feat: deterministic CBOR encoding of textual rendering * refactor: cbor package to internal, test cases as json * chore: silence spurious gosec warnings * docs: review feedback
51 lines
990 B
Go
51 lines
990 B
Go
package valuerenderer
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import (
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"io"
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"cosmossdk.io/tx/textual/internal/cbor"
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)
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var (
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textKey = cbor.NewUint(1)
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indentKey = cbor.NewUint(2)
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expertKey = cbor.NewUint(3)
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)
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// encode encodes an array of screens according to the CDDL:
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//
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// screens = [* screen]
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// screen = {
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// ? text_key: tstr,
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// ? indent_key: uint,
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// ? expert_key: bool,
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// }
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// text_key = 1
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// indent_key = 2
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// expert_key = 3
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//
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// with empty values ("", 0, false) omitted from the screen map.
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func encode(screens []Screen, w io.Writer) error {
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arr := cbor.NewArray()
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for _, s := range screens {
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arr = arr.Append(s.Cbor())
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}
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return arr.Encode(w)
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}
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func (s Screen) Cbor() cbor.Cbor {
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m := cbor.NewMap()
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if s.Text != "" {
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m = m.Add(textKey, cbor.NewText(s.Text))
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}
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if s.Indent > 0 {
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// #nosec G701
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// Since we've excluded negatives, int widening is safe.
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m = m.Add(indentKey, cbor.NewUint(uint64(s.Indent)))
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}
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if s.Expert {
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m = m.Add(expertKey, cbor.NewBool(s.Expert))
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}
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return m
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}
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