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array.go
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/
array.go
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package forge
import (
"fmt"
"github.com/dipdup-net/go-lib/tools/base"
"github.com/pkg/errors"
)
// Array -
type Array base.Node
// NewArray -
func NewArray() *Array {
return &Array{
Args: make([]*base.Node, 0),
Prim: PrimArray,
}
}
func newArrayFromNodes(nodes []*base.Node) *Array {
return &Array{
Args: nodes,
Prim: PrimArray,
}
}
// Unforge -
func (a *Array) Unforge(data []byte) (int, error) {
a.Prim = PrimArray
l := new(length)
n, err := l.Unforge(data)
if err != nil {
return n, err
}
if l.Value == 0 {
return n, nil
}
data = data[n:]
if len(data) < l.Value {
return 4, errors.Wrap(ErrTooFewBytes, fmt.Sprintf("String.Unforge: %d < %d", len(data), l.Value))
}
var count int
for count < l.Value {
unforger := NewMichelson()
n, err := unforger.Unforge(data)
if err != nil {
return n, err
}
count += n
data = data[n:]
a.Args = append(a.Args, unforger.Nodes...)
}
return 4 + l.Value, nil
}
// Forge -
func (a *Array) Forge() ([]byte, error) {
forger := NewMichelson()
forger.Nodes = a.Args
args, err := forger.Forge()
if err != nil {
return nil, err
}
l := new(length)
l.Value = len(args)
data, err := l.Forge()
if err != nil {
return nil, err
}
data = append(data, args...)
return append([]byte{ByteArray}, data...), nil
}