ics23.gno

 1package testing
 2
 3import (
 4	"encoding/hex"
 5
 6	"gno.land/p/aib/ics23"
 7)
 8
 9func NewExistenceProof(spec *ics23.ProofSpec, key []byte, value, leaf string, paths [][]string) *ics23.ExistenceProof {
10	ep := &ics23.ExistenceProof{
11		Key:   key,
12		Value: hexDec(value),
13		Leaf: &ics23.LeafOp{
14			Hash:         spec.LeafSpec.Hash,
15			PrehashKey:   spec.LeafSpec.PrehashKey,
16			PrehashValue: spec.LeafSpec.PrehashValue,
17			Length:       spec.LeafSpec.Length,
18			Prefix:       hexDec(leaf),
19		},
20	}
21	for i, _ := range paths {
22		ep.Path = append(ep.Path, &ics23.InnerOp{
23			Hash:   spec.InnerSpec.Hash,
24			Prefix: hexDec(paths[i][0]),
25			Suffix: hexDec(paths[i][1]),
26		})
27	}
28	return ep
29}
30
31func hexDec(s string) []byte {
32	b, err := hex.DecodeString(s)
33	if err != nil {
34		panic(err)
35	}
36	return b
37}