Merge pull request #5 from swhite24/feature/basis-logs

Feature/basis logs
swhite24 · Apr 16, 2021 · 7620946 · 7620946
2 parents 5a292a1 + 84d948f
commit 7620946
Show file tree

Hide file tree

Showing 4 changed files with 30 additions and 20 deletions.
diff --git a/README.md b/README.md
@@ -29,16 +29,19 @@ Usage:
   cbpro-buy [flags]
 
 Flags:
-      --amount float        Amount of product to purchase (default 50)
-      --autodeposit         Whether to auto deposit funds if current account is less than amount
-      --coinbase            Whether to use coinbase account for funds instead of ACH
-      --currency string     Currency to deposit / purchase with (USD, EUR, etc.) (default "USD")
-  -h, --help                help for cbpro-buy
-      --key string          Coinbase Pro API key
-      --passphrase string   Coinbase Pro API key passphrase
-      --product string      Product to purchase from coinbase pro (BTC, ETH, etc.) (default "BTC")
-      --sandbox             Whether to use coinbase pro sandbox environment (will require different api key
-      --secret string       Coinbase Pro API key secret
+      --amount float               Amount of product to purchase (default 50)
+      --autodeposit                Whether to auto deposit funds if current account is less than amount
+      --basis-multiplier float     Scale to apply to purchase amount if current price is less than average cost (default 1.5)
+      --basis-window-start float   Mumber of days in the past to for beginning of basis window (default 30)
+      --coinbase                   Whether to use coinbase account for funds instead of ACH
+      --currency string            Currency to deposit / purchase with (USD, EUR, etc.) (default "USD")
+  -h, --help                       help for cbpro-buy
+      --key string                 Coinbase Pro API key
+      --passphrase string          Coinbase Pro API key passphrase
+      --product string             Product to purchase from coinbase pro (BTC, ETH, etc.) (default "BTC")
+      --sandbox                    Whether to use coinbase pro sandbox environment (will require different api key
+      --secret string              Coinbase Pro API key secret
+      --use-basis                  Whether to adjust purchase amount if current price is below average cost over time window
 ```
 
 ## Lambda Usage

diff --git a/pkg/cmd/cbprobuy.go b/pkg/cmd/cbprobuy.go
@@ -35,10 +35,10 @@ func init() {
 		Run: func(cmd *cobra.Command, args []string) {
 			cfg := config.InitializeConfig(cmd.Flags())
 			client := initializeClient(cfg)
-			fmt.Println(cfg)
 
 			// Determine basis if configured
 			if cfg.UseBasis {
+				fmt.Printf("Use basis configured. Getting average purchase price over last %.0f days.\n", cfg.BasisWindowStart)
 				// Calculate average cost
 				c := &basisconfig.Config{
 					Key:        cfg.Key,
@@ -54,7 +54,7 @@ func init() {
 					fmt.Println(err)
 					os.Exit(1)
 				}
-				fmt.Println(c, info, err)
+				fmt.Printf("Average purchase price: %s\n", info.AverageCost)
 
 				// Get current price
 				average, _ := strconv.ParseFloat(info.AverageCost, 64)
@@ -64,10 +64,15 @@ func init() {
 					fmt.Println(err)
 					os.Exit(1)
 				}
+				fmt.Printf("Current book price: %.2f\n", price)
 
 				// Update purchase amount if current price is less than average cost
 				if price < average {
+					fmt.Println("Current price less than average price.")
+					fmt.Printf("Adjusting buy amount from %.2f to %.2f\n", cfg.Amount, cfg.Amount*cfg.BasisMultiplier)
 					cfg.Amount = cfg.Amount * cfg.BasisMultiplier
+				} else {
+					fmt.Println("Current price greater than average price. Not adjusting buy amount.")
 				}
 			}
 

diff --git a/terraform/main.tf b/terraform/main.tf
@@ -35,14 +35,15 @@ resource "aws_lambda_function" "cbpro_buy" {
 
   environment {
     variables = {
-      CBPRO_BUY_KEY         = var.cbpro_key
-      CBPRO_BUY_PASSPHRASE  = var.cbpro_passphrase
-      CBPRO_BUY_SECRET      = var.cbpro_secret
-      CBPRO_BUY_CURRENCY    = var.currency
-      CBPRO_BUY_PRODUCT     = var.product
-      CBPRO_BUY_AMOUNT      = var.amount
-      CBPRO_BUY_AUTODEPOSIT = var.auto_deposit
-      CBPRO_BUY_USE_BASIS   = var.use_basis
+      CBPRO_BUY_KEY                = var.cbpro_key
+      CBPRO_BUY_PASSPHRASE         = var.cbpro_passphrase
+      CBPRO_BUY_SECRET             = var.cbpro_secret
+      CBPRO_BUY_CURRENCY           = var.currency
+      CBPRO_BUY_PRODUCT            = var.product
+      CBPRO_BUY_AMOUNT             = var.amount
+      CBPRO_BUY_AUTODEPOSIT        = var.auto_deposit
+      CBPRO_BUY_USE_BASIS          = var.use_basis
+      CBPRO_BUY_BASIS_WINDOW_START = var.basis_window_start
     }
   }
 }

diff --git a/terraform/var.tf b/terraform/var.tf
@@ -9,6 +9,7 @@ variable "amount" { default = 50 }
 variable "currency" { default = "USD" }
 variable "product" { default = "BTC" }
 variable "use_basis" { default = true }
+variable "basis_window_start" { default = 60 }
 variable "cbpro_key" {
   type      = string
   sensitive = true