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Fix: Handle JSON array format for chaincode arguments in REST API #1408

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Fix: Handle JSON array format for chaincode arguments in REST API #1408

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17 changes: 17 additions & 0 deletions asset-transfer-basic/rest-api-go/web/invoke.go
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
package web

import (
"encoding/json"
"fmt"
"net/http"

Expand All @@ -18,6 +19,22 @@ func (setup *OrgSetup) Invoke(w http.ResponseWriter, r *http.Request) {
channelID := r.FormValue("channelid")
function := r.FormValue("function")
args := r.Form["args"]

if len(args) == 1 {
var parsed []string
err := json.Unmarshal([]byte(args[0]), &parsed)
if err == nil {
args = parsed
} else {
fmt.Printf("Warning: failed to parse args as JSON: %s\n", err)
}
}

if len(args) == 0 {
fmt.Fprintf(w, "Error: args is empty")
return
}

fmt.Printf("channel: %s, chaincode: %s, function: %s, args: %s\n", channelID, chainCodeName, function, args)
network := setup.Gateway.GetNetwork(channelID)
contract := network.GetContract(chainCodeName)
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