From 98fd810abcb5b29735b48d9009f7aa1dc22df0ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Duchesneau?=
 <stephane.duchesneau@eoscanada.com>
Date: Wed, 10 Mar 2021 16:06:58 -0500
Subject: [PATCH] add Huobi ECO (heco) endpoint

---
 CHANGELOG.md   |  4 +++-
 README.md      |  5 ++++-
 cmd/sf/main.go | 13 +++++++++++--
 3 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 261f56f..d6df76d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,9 @@ project adheres to
 [MAINTAINERS.md](./MAINTAINERS.md) for instructions to keep up to
 date.
 
-# Unreleased
+# v0.0.4
+
+Added --heco endpoint
 
 # v0.0.3
 
diff --git a/README.md b/README.md
index 292c3a6..86d48e7 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,10 @@ $ sf --handle-forks --start-cursor "10928019832019283019283" "to in ['0x7a250d56
 $ sf --bsc "true" 100000 100002 
 
 # Look at ALL blocks in a given range on Polygon Chain
-$ sf --polygon "true" 100000 100002 
+$ sf --polygon "true" 100000 100002
+
+# Look at ALL blocks in a given range on Huobi ECO Chain
+$ sf --heco "true" 100000 100002
 ```
 
 ## Programmatic access
diff --git a/cmd/sf/main.go b/cmd/sf/main.go
index 6f33b24..d24d2e1 100644
--- a/cmd/sf/main.go
+++ b/cmd/sf/main.go
@@ -39,6 +39,7 @@ var flagEndpoint = flag.String("e", "api.streamingfast.io:443", "The endpoint to
 
 var flagBSC = flag.Bool("bsc", false, "When set, will force the endpoint to Binance Smart Chain")
 var flagPolygon = flag.Bool("polygon", false, "When set, will force the endpoint to Polygon (previously Matic)")
+var flagHECO = flag.Bool("heco", false, "When set, will force the endpoint to Huobi Eco Chain")
 
 var flagHandleForks = flag.Bool("handle-forks", false, "Request notifications type STEP_UNDO when a block was forked out, and STEP_IRREVERSIBLE after a block has seen enough confirmations (200)")
 var flagSkipVerify = flag.Bool("s", false, "When set, skips certification verification")
@@ -50,7 +51,7 @@ func main() {
 
 	args := flag.Args()
 	ensure((len(args) == 1 && *flagStartCursor != "") || len(args) > 1, errorUsage("Expecting between 1 and 3 arguments"))
-	ensure(noMoreThanOneTrue(*flagBSC, *flagPolygon), errorUsage("Cannot set more than one network flag (ex: --polygon, --bsc)"))
+	ensure(noMoreThanOneTrue(*flagBSC, *flagPolygon, *flagHECO), errorUsage("Cannot set more than one network flag (ex: --polygon, --bsc)"))
 
 	filter := args[0]
 	cursor := *flagStartCursor
@@ -73,6 +74,8 @@ func main() {
 		endpoint = "bsc.streamingfast.io:443"
 	case *flagPolygon:
 		endpoint = "polygon.streamingfast.io:443"
+	case *flagHECO:
+		endpoint = "heco.streamingfast.io:443"
 	default:
 		if e := os.Getenv("STREAMINGFAST_ENDPOINT"); e != "" {
 			endpoint = e
@@ -315,7 +318,13 @@ Examples:
   $ sf --handle-forks --start-cursor "10928019832019283019283" "to in ['0x7a250d5630b4cf539739df2c5dacb4c659f2488d']"
 
   # Look at ALL blocks in a given range on Binance Smart Chain (BSC)
-  $ sf --bsc "true" 100000 100002 
+  $ sf --bsc "true" 100000 100002
+
+  # Look at ALL blocks in a given range on Polygon Chain
+  $ sf --polygon "true" 100000 100002
+  
+  # Look at ALL blocks in a given range on Huobi ECO Chain
+  $ sf --heco "true" 100000 100002
 `
 }