forked from thrasher-corp/gocryptotrader
/
manager.go
166 lines (133 loc) · 3.11 KB
/
manager.go
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package currency
import (
"errors"
"github.com/nbltrust/gocryptotrader/exchanges/asset"
)
// GetAssetTypes returns a list of stored asset types
func (p *PairsManager) GetAssetTypes() asset.Items {
p.m.Lock()
defer p.m.Unlock()
var assetTypes asset.Items
for k := range p.Pairs {
assetTypes = append(assetTypes, k)
}
return assetTypes
}
// Get gets the currency pair config based on the asset type
func (p *PairsManager) Get(a asset.Item) *PairStore {
p.m.Lock()
defer p.m.Unlock()
c, ok := p.Pairs[a]
if !ok {
return nil
}
return c
}
// Store stores a new currency pair config based on its asset type
func (p *PairsManager) Store(a asset.Item, ps PairStore) {
p.m.Lock()
if p.Pairs == nil {
p.Pairs = make(map[asset.Item]*PairStore)
}
if !p.AssetTypes.Contains(a) {
p.AssetTypes = append(p.AssetTypes, a)
}
p.Pairs[a] = &ps
p.m.Unlock()
}
// Delete deletes a map entry based on the supplied asset type
func (p *PairsManager) Delete(a asset.Item) {
p.m.Lock()
defer p.m.Unlock()
if p.Pairs == nil {
return
}
_, ok := p.Pairs[a]
if !ok {
return
}
delete(p.Pairs, a)
}
// GetPairs gets a list of stored pairs based on the asset type and whether
// they're enabled or not
func (p *PairsManager) GetPairs(a asset.Item, enabled bool) Pairs {
p.m.Lock()
defer p.m.Unlock()
if p.Pairs == nil {
return nil
}
c, ok := p.Pairs[a]
if !ok {
return nil
}
var pairs Pairs
if enabled {
pairs = c.Enabled
} else {
pairs = c.Available
}
return pairs
}
// StorePairs stores a list of pairs based on the asset type and whether
// they're enabled or not
func (p *PairsManager) StorePairs(a asset.Item, pairs Pairs, enabled bool) {
p.m.Lock()
defer p.m.Unlock()
if p.Pairs == nil {
p.Pairs = make(map[asset.Item]*PairStore)
}
c, ok := p.Pairs[a]
if !ok {
c = new(PairStore)
}
if enabled {
c.Enabled = pairs
} else {
c.Available = pairs
}
p.Pairs[a] = c
}
// DisablePair removes the pair from the enabled pairs list if found
func (p *PairsManager) DisablePair(a asset.Item, pair Pair) error {
p.m.Lock()
defer p.m.Unlock()
if p.Pairs == nil {
return errors.New("pair manager not initialised")
}
c, ok := p.Pairs[a]
if !ok {
return errors.New("asset type not found")
}
if c == nil {
return errors.New("currency store is nil")
}
if !c.Enabled.Contains(pair, true) {
return errors.New("specified pair is not enabled")
}
c.Enabled = c.Enabled.Remove(pair)
return nil
}
// EnablePair adds a pair to the list of enabled pairs if it exists in the list
// of available pairs and isn't already added
func (p *PairsManager) EnablePair(a asset.Item, pair Pair) error {
p.m.Lock()
defer p.m.Unlock()
if p.Pairs == nil {
return errors.New("pair manager not initialised")
}
c, ok := p.Pairs[a]
if !ok {
return errors.New("asset type not found")
}
if c == nil {
return errors.New("currency store is nil")
}
if !c.Available.Contains(pair, true) {
return errors.New("specified pair was not found in the list of available pairs")
}
if c.Enabled.Contains(pair, true) {
return errors.New("specified pair is already enabled")
}
c.Enabled = c.Enabled.Add(pair)
return nil
}