Make it easier to use other assets.

config/config.go

@@ -1,31 +1,33 @@
 package config
 
 import (
+	_ "embed"
 	"slices"
 	"time"
 
 	"code.humancabbage.net/sam/moonmath/coindesk"
 	"code.humancabbage.net/sam/moonmath/moon"
-	"github.com/knadh/koanf/parsers/toml"
+	"github.com/knadh/koanf/parsers/yaml"
 	"github.com/knadh/koanf/providers/file"
+	"github.com/knadh/koanf/providers/rawbytes"
 	"github.com/knadh/koanf/providers/structs"
 	"github.com/knadh/koanf/v2"
 )
 
 var k = koanf.New(".")
 
-func Load(path string) (data Data, err error) {
+func Load(path string) (all All, err error) {
 	err = k.Load(structs.Provider(Default, "koanf"), nil)
 	if err != nil {
 		return
 	}
 	if path != "" {
-		err = k.Load(file.Provider(path), toml.Parser())
+		err = k.Load(file.Provider(path), yaml.Parser())
 		if err != nil {
 			return
 		}
 	}
-	err = k.Unmarshal("", &data)
+	err = k.Unmarshal("", &all)
 	if err != nil {
 		return
 	}
@@ -33,11 +35,11 @@ func Load(path string) (data Data, err error) {
 	return
 }
 
-var Default = Data{
-	Asset:         coindesk.BTC,
-	Goals:         moon.DefaultGoals,
-	ConstantBases: moon.DefaultConstantBases,
-	RelativeBases: moon.DefaultRelativeBases,
+var Default All
+
+type All struct {
+	Defaults Data                    `koanf:"defaults"`
+	Assets   map[coindesk.Asset]Data `koanf:"assets"`
 }
 
 type Data struct {
@@ -47,9 +49,24 @@ type Data struct {
 	RelativeBases []moon.RelativeBase `koanf:"relativeBases"`
 }
 
-type Goal struct {
-	Name  string  `koanf:"name"`
-	Value float64 `koanf:"value"`
+func (all All) GetData(asset coindesk.Asset) (data Data, err error) {
+	data, ok := all.Assets[asset]
+	if !ok {
+		data = all.Defaults
+	}
+	if data.Asset == "" {
+		data.Asset = asset
+	}
+	if data.Goals == nil || len(data.Goals) == 0 {
+		data.Goals = all.Defaults.Goals
+	}
+	if data.ConstantBases == nil || len(data.ConstantBases) == 0 {
+		data.ConstantBases = all.Defaults.ConstantBases
+	}
+	if data.RelativeBases == nil || len(data.RelativeBases) == 0 {
+		data.RelativeBases = all.Defaults.RelativeBases
+	}
+	return
 }
 
 // GetBases returns the concatenation of the constant and relative bases, sorted
@@ -77,3 +94,18 @@ func GetBases(d *Data) (bases []moon.Base) {
 	})
 	return
 }
+
+//go:embed default.yaml
+var defaultYamlBytes []byte
+
+func init() {
+	var k = koanf.New(".")
+	err := k.Load(rawbytes.Provider(defaultYamlBytes), yaml.Parser())
+	if err != nil {
+		panic(err)
+	}
+	err = k.Unmarshal("", &Default)
+	if err != nil {
+		panic(err)
+	}
+}

config/config_test.go

@@ -0,0 +1,10 @@
+package config_test
+
+import (
+	"testing"
+)
+
+func TestDefault(t *testing.T) {
+	// config.Default is parsed in config.init(), which panics on error.
+	// so just getting this far means that at least it parsed successfully.
+}

config/default.yaml

@@ -0,0 +1,46 @@
+defaults:
+  goals:
+  - name: $100k
+    value: 100000
+  - name: $150k
+    value: 150000
+  - name: $200k
+    value: 200000
+  - name: $250k
+    value: 250000
+  - name: $300k
+    value: 300000
+  - name: $500k
+    value: 500000
+  - name: $1m
+    value: 1000000
+  relativeBases:
+  - name: Month
+    offset: -720h0m0s
+  - name: Quarter
+    offset: -2160h0m0s
+  - name: Half-Year
+    offset: -4368h0m0s
+  - name: Year
+    offset: -8760h0m0s
+  constantBases:
+  - name: 2020-
+    time: 2019-12-31T16:00:00-08:00
+  - name: 2017-
+    time: 2016-12-31T16:00:00-08:00
+
+assets:
+  ETH:
+    goals:
+    - name: $5k
+      value: 5000
+    - name: $7.5k
+      value: 7500
+    - name: $10k
+      value: 10000
+    - name: $15k
+      value: 15000
+    - name: $20k
+      value: 20000
+    - name: $25k
+      value: 25000

config/eth.toml

@@ -1,25 +0,0 @@
-asset = "ETH"
-
-[[goals]]
-name = "$5k"
-value = 5000
-
-[[goals]]
-name = "$7.5k"
-value = 7500
-
-[[goals]]
-name = "$10k"
-value = 10000
-
-[[goals]]
-name = "$15k"
-value = 15000
-
-[[goals]]
-name = "$20k"
-value = 15000
-
-[[goals]]
-name = "$25k"
-value = 25000