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codec.go
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codec.go
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package main
import (
"os"
"github.com/fxamacker/cbor/v2"
"github.com/makew0rld/merkdir/merkle"
)
func writeTree(t *tree, path string) error {
f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
if err != nil {
return err
}
defer f.Close()
enc := cbor.NewEncoder(f)
if err := enc.Encode(t); err != nil {
return err
}
return nil
}
func readTree(path string) (*tree, error) {
f, err := os.Open(path)
if err != nil {
return nil, err
}
defer f.Close()
// Get struct
var t tree
dec := cbor.NewDecoder(f)
if err := dec.Decode(&t); err != nil {
return nil, err
}
return &t, nil
}
func writeInclusionProof(proof *merkle.InclusionProof, path string) error {
f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
if err != nil {
return err
}
defer f.Close()
enc := cbor.NewEncoder(f)
if err := enc.Encode(proof); err != nil {
return err
}
return nil
}
func readInclusionProof(path string) (*merkle.InclusionProof, error) {
f, err := os.Open(path)
if err != nil {
return nil, err
}
defer f.Close()
// Get struct
var proof merkle.InclusionProof
dec := cbor.NewDecoder(f)
if err := dec.Decode(&proof); err != nil {
return nil, err
}
return &proof, nil
}