cleanup printing of large values

discord/discord.go

@@ -13,10 +13,12 @@ import (
 	"github.com/bonedaddy/go-indexed/bclient"
 	"github.com/bonedaddy/go-indexed/db"
 	"github.com/bwmarrin/discordgo"
+	"golang.org/x/text/message"
 )
 
 var (
 	rateLimitMsg = "You are being rate limited. Users are allowed 1 blockchain query per command every 60 seconds"
+	printer      *message.Printer
 )
 
 // Client wraps bclient and discordgo to provide a discord bot for indexed finance
@@ -31,6 +33,10 @@ type Client struct {
 	wg     *sync.WaitGroup
 }
 
+func init() {
+	printer = message.NewPrinter(message.MatchLanguage("en"))
+}
+
 // NewClient provides a wrapper around discordgo
 func NewClient(ctx context.Context, cfg *Config, bc *bclient.Client, db *db.Database) (*Client, error) {
 	wg := &sync.WaitGroup{}

discord/governance.go

@@ -161,5 +161,5 @@ func (c *Client) governanceTokenTotalSupply(ctx *dgc.Ctx) {
 		return
 	}
 	supplyF, _ := utils.ToDecimal(supply, 18).Float64()
-	ctx.RespondText(fmt.Sprintf("ndx token total supply: %0.2f", supplyF))
+	ctx.RespondText(printer.Sprintf("ndx token total supply: %0.2f", supplyF))
 }

discord/pool.go

@@ -72,7 +72,7 @@ func (c *Client) poolTotalValueLocked(ctx *dgc.Ctx) {
 		ctx.RespondText("failed to get total value locked")
 		return
 	}
-	ctx.RespondText(fmt.Sprintf("total value locked for %s: %0.2f", poolName, tvl))
+	ctx.RespondText(printer.Sprintf("total value locked for %s: $%0.2f", poolName, tvl))
 }
 
 func (c *Client) poolTotalSupply(ctx *dgc.Ctx) {
@@ -92,5 +92,5 @@ func (c *Client) poolTotalSupply(ctx *dgc.Ctx) {
 		return
 	}
 	supplyF, _ := utils.ToDecimal(supply, 18).Float64()
-	ctx.RespondText(fmt.Sprintf("total supply for %s: %0.2f", poolName, supplyF))
+	ctx.RespondText(printer.Sprintf("total supply for %s: %0.2f", poolName, supplyF))
 }

go.mod

@@ -13,6 +13,7 @@ require (
 	github.com/wcharczuk/go-chart/v2 v2.1.0
 	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
 	golang.org/x/net v0.0.0-20201224014010-6772e930b67b // indirect
+	golang.org/x/text v0.3.3
 	gopkg.in/yaml.v2 v2.3.0
 	gorm.io/driver/postgres v1.0.6
 	gorm.io/driver/sqlite v1.1.4